| /* | |
| * Copyright 2011 Google Inc. | |
| * | |
| * Use of this source code is governed by a BSD-style license that can be | |
| * found in the LICENSE file. | |
| */ | |
| #include "GrGLGpu.h" | |
| #include "GrBackendSemaphore.h" | |
| #include "GrBackendSurface.h" | |
| #include "GrFixedClip.h" | |
| #include "GrGLBuffer.h" | |
| #include "GrGLGpuCommandBuffer.h" | |
| #include "GrGLSemaphore.h" | |
| #include "GrGLStencilAttachment.h" | |
| #include "GrGLTextureRenderTarget.h" | |
| #include "GrGpuResourcePriv.h" | |
| #include "GrMesh.h" | |
| #include "GrPipeline.h" | |
| #include "GrRenderTargetPriv.h" | |
| #include "GrShaderCaps.h" | |
| #include "GrSurfaceProxyPriv.h" | |
| #include "GrTexturePriv.h" | |
| #include "GrTypes.h" | |
| #include "SkAutoMalloc.h" | |
| #include "SkConvertPixels.h" | |
| #include "SkHalf.h" | |
| #include "SkJSONWriter.h" | |
| #include "SkMakeUnique.h" | |
| #include "SkMipMap.h" | |
| #include "SkPixmap.h" | |
| #include "SkSLCompiler.h" | |
| #include "SkStrokeRec.h" | |
| #include "SkTemplates.h" | |
| #include "SkTo.h" | |
| #include "SkTraceEvent.h" | |
| #include "SkTypes.h" | |
| #include "builders/GrGLShaderStringBuilder.h" | |
| #include <cmath> | |
| #define GL_CALL(X) GR_GL_CALL(this->glInterface(), X) | |
| #define GL_CALL_RET(RET, X) GR_GL_CALL_RET(this->glInterface(), RET, X) | |
| #define SKIP_CACHE_CHECK true | |
| #if GR_GL_CHECK_ALLOC_WITH_GET_ERROR | |
| #define CLEAR_ERROR_BEFORE_ALLOC(iface) GrGLClearErr(iface) | |
| #define GL_ALLOC_CALL(iface, call) GR_GL_CALL_NOERRCHECK(iface, call) | |
| #define CHECK_ALLOC_ERROR(iface) GR_GL_GET_ERROR(iface) | |
| #else | |
| #define CLEAR_ERROR_BEFORE_ALLOC(iface) | |
| #define GL_ALLOC_CALL(iface, call) GR_GL_CALL(iface, call) | |
| #define CHECK_ALLOC_ERROR(iface) GR_GL_NO_ERROR | |
| #endif | |
| //#define USE_NSIGHT | |
| /////////////////////////////////////////////////////////////////////////////// | |
| static const GrGLenum gXfermodeEquation2Blend[] = { | |
| // Basic OpenGL blend equations. | |
| GR_GL_FUNC_ADD, | |
| GR_GL_FUNC_SUBTRACT, | |
| GR_GL_FUNC_REVERSE_SUBTRACT, | |
| // GL_KHR_blend_equation_advanced. | |
| GR_GL_SCREEN, | |
| GR_GL_OVERLAY, | |
| GR_GL_DARKEN, | |
| GR_GL_LIGHTEN, | |
| GR_GL_COLORDODGE, | |
| GR_GL_COLORBURN, | |
| GR_GL_HARDLIGHT, | |
| GR_GL_SOFTLIGHT, | |
| GR_GL_DIFFERENCE, | |
| GR_GL_EXCLUSION, | |
| GR_GL_MULTIPLY, | |
| GR_GL_HSL_HUE, | |
| GR_GL_HSL_SATURATION, | |
| GR_GL_HSL_COLOR, | |
| GR_GL_HSL_LUMINOSITY | |
| }; | |
| GR_STATIC_ASSERT(0 == kAdd_GrBlendEquation); | |
| GR_STATIC_ASSERT(1 == kSubtract_GrBlendEquation); | |
| GR_STATIC_ASSERT(2 == kReverseSubtract_GrBlendEquation); | |
| GR_STATIC_ASSERT(3 == kScreen_GrBlendEquation); | |
| GR_STATIC_ASSERT(4 == kOverlay_GrBlendEquation); | |
| GR_STATIC_ASSERT(5 == kDarken_GrBlendEquation); | |
| GR_STATIC_ASSERT(6 == kLighten_GrBlendEquation); | |
| GR_STATIC_ASSERT(7 == kColorDodge_GrBlendEquation); | |
| GR_STATIC_ASSERT(8 == kColorBurn_GrBlendEquation); | |
| GR_STATIC_ASSERT(9 == kHardLight_GrBlendEquation); | |
| GR_STATIC_ASSERT(10 == kSoftLight_GrBlendEquation); | |
| GR_STATIC_ASSERT(11 == kDifference_GrBlendEquation); | |
| GR_STATIC_ASSERT(12 == kExclusion_GrBlendEquation); | |
| GR_STATIC_ASSERT(13 == kMultiply_GrBlendEquation); | |
| GR_STATIC_ASSERT(14 == kHSLHue_GrBlendEquation); | |
| GR_STATIC_ASSERT(15 == kHSLSaturation_GrBlendEquation); | |
| GR_STATIC_ASSERT(16 == kHSLColor_GrBlendEquation); | |
| GR_STATIC_ASSERT(17 == kHSLLuminosity_GrBlendEquation); | |
| GR_STATIC_ASSERT(SK_ARRAY_COUNT(gXfermodeEquation2Blend) == kGrBlendEquationCnt); | |
| static const GrGLenum gXfermodeCoeff2Blend[] = { | |
| GR_GL_ZERO, | |
| GR_GL_ONE, | |
| GR_GL_SRC_COLOR, | |
| GR_GL_ONE_MINUS_SRC_COLOR, | |
| GR_GL_DST_COLOR, | |
| GR_GL_ONE_MINUS_DST_COLOR, | |
| GR_GL_SRC_ALPHA, | |
| GR_GL_ONE_MINUS_SRC_ALPHA, | |
| GR_GL_DST_ALPHA, | |
| GR_GL_ONE_MINUS_DST_ALPHA, | |
| GR_GL_CONSTANT_COLOR, | |
| GR_GL_ONE_MINUS_CONSTANT_COLOR, | |
| GR_GL_CONSTANT_ALPHA, | |
| GR_GL_ONE_MINUS_CONSTANT_ALPHA, | |
| // extended blend coeffs | |
| GR_GL_SRC1_COLOR, | |
| GR_GL_ONE_MINUS_SRC1_COLOR, | |
| GR_GL_SRC1_ALPHA, | |
| GR_GL_ONE_MINUS_SRC1_ALPHA, | |
| }; | |
| bool GrGLGpu::BlendCoeffReferencesConstant(GrBlendCoeff coeff) { | |
| static const bool gCoeffReferencesBlendConst[] = { | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| false, | |
| true, | |
| true, | |
| true, | |
| true, | |
| // extended blend coeffs | |
| false, | |
| false, | |
| false, | |
| false, | |
| }; | |
| return gCoeffReferencesBlendConst[coeff]; | |
| GR_STATIC_ASSERT(kGrBlendCoeffCnt == SK_ARRAY_COUNT(gCoeffReferencesBlendConst)); | |
| GR_STATIC_ASSERT(0 == kZero_GrBlendCoeff); | |
| GR_STATIC_ASSERT(1 == kOne_GrBlendCoeff); | |
| GR_STATIC_ASSERT(2 == kSC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(3 == kISC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(4 == kDC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(5 == kIDC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(6 == kSA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(7 == kISA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(8 == kDA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(9 == kIDA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(10 == kConstC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(11 == kIConstC_GrBlendCoeff); | |
| GR_STATIC_ASSERT(12 == kConstA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(13 == kIConstA_GrBlendCoeff); | |
| GR_STATIC_ASSERT(14 == kS2C_GrBlendCoeff); | |
| GR_STATIC_ASSERT(15 == kIS2C_GrBlendCoeff); | |
| GR_STATIC_ASSERT(16 == kS2A_GrBlendCoeff); | |
| GR_STATIC_ASSERT(17 == kIS2A_GrBlendCoeff); | |
| // assertion for gXfermodeCoeff2Blend have to be in GrGpu scope | |
| GR_STATIC_ASSERT(kGrBlendCoeffCnt == SK_ARRAY_COUNT(gXfermodeCoeff2Blend)); | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| sk_sp<GrGpu> GrGLGpu::Make(sk_sp<const GrGLInterface> interface, const GrContextOptions& options, | |
| GrContext* context) { | |
| if (!interface) { | |
| interface = GrGLMakeNativeInterface(); | |
| // For clients that have written their own GrGLCreateNativeInterface and haven't yet updated | |
| // to GrGLMakeNativeInterface. | |
| if (!interface) { | |
| interface = sk_ref_sp(GrGLCreateNativeInterface()); | |
| } | |
| if (!interface) { | |
| return nullptr; | |
| } | |
| } | |
| #ifdef USE_NSIGHT | |
| const_cast<GrContextOptions&>(options).fSuppressPathRendering = true; | |
| #endif | |
| auto glContext = GrGLContext::Make(std::move(interface), options); | |
| if (!glContext) { | |
| return nullptr; | |
| } | |
| return sk_sp<GrGpu>(new GrGLGpu(std::move(glContext), context)); | |
| } | |
| GrGLGpu::GrGLGpu(std::unique_ptr<GrGLContext> ctx, GrContext* context) | |
| : GrGpu(context) | |
| , fGLContext(std::move(ctx)) | |
| , fProgramCache(new ProgramCache(this)) | |
| , fHWProgramID(0) | |
| , fTempSrcFBOID(0) | |
| , fTempDstFBOID(0) | |
| , fStencilClearFBOID(0) | |
| , fHWMinSampleShading(0.0) { | |
| SkASSERT(fGLContext); | |
| fCaps = sk_ref_sp(fGLContext->caps()); | |
| fHWBoundTextureUniqueIDs.reset(this->caps()->shaderCaps()->maxCombinedSamplers()); | |
| fHWBufferState[kVertex_GrBufferType].fGLTarget = GR_GL_ARRAY_BUFFER; | |
| fHWBufferState[kIndex_GrBufferType].fGLTarget = GR_GL_ELEMENT_ARRAY_BUFFER; | |
| fHWBufferState[kTexel_GrBufferType].fGLTarget = GR_GL_TEXTURE_BUFFER; | |
| fHWBufferState[kDrawIndirect_GrBufferType].fGLTarget = GR_GL_DRAW_INDIRECT_BUFFER; | |
| if (GrGLCaps::kChromium_TransferBufferType == this->glCaps().transferBufferType()) { | |
| fHWBufferState[kXferCpuToGpu_GrBufferType].fGLTarget = | |
| GR_GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM; | |
| fHWBufferState[kXferGpuToCpu_GrBufferType].fGLTarget = | |
| GR_GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM; | |
| } else { | |
| fHWBufferState[kXferCpuToGpu_GrBufferType].fGLTarget = GR_GL_PIXEL_UNPACK_BUFFER; | |
| fHWBufferState[kXferGpuToCpu_GrBufferType].fGLTarget = GR_GL_PIXEL_PACK_BUFFER; | |
| } | |
| for (int i = 0; i < kGrBufferTypeCount; ++i) { | |
| fHWBufferState[i].invalidate(); | |
| } | |
| GR_STATIC_ASSERT(6 == SK_ARRAY_COUNT(fHWBufferState)); | |
| if (this->glCaps().shaderCaps()->pathRenderingSupport()) { | |
| fPathRendering.reset(new GrGLPathRendering(this)); | |
| } | |
| GrGLClearErr(this->glInterface()); | |
| } | |
| GrGLGpu::~GrGLGpu() { | |
| // Ensure any GrGpuResource objects get deleted first, since they may require a working GrGLGpu | |
| // to release the resources held by the objects themselves. | |
| fPathRendering.reset(); | |
| fCopyProgramArrayBuffer.reset(); | |
| fMipmapProgramArrayBuffer.reset(); | |
| fStencilClipClearArrayBuffer.reset(); | |
| fHWProgram.reset(); | |
| if (fHWProgramID) { | |
| // detach the current program so there is no confusion on OpenGL's part | |
| // that we want it to be deleted | |
| GL_CALL(UseProgram(0)); | |
| } | |
| if (fTempSrcFBOID) { | |
| this->deleteFramebuffer(fTempSrcFBOID); | |
| } | |
| if (fTempDstFBOID) { | |
| this->deleteFramebuffer(fTempDstFBOID); | |
| } | |
| if (fStencilClearFBOID) { | |
| this->deleteFramebuffer(fStencilClearFBOID); | |
| } | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fCopyPrograms); ++i) { | |
| if (0 != fCopyPrograms[i].fProgram) { | |
| GL_CALL(DeleteProgram(fCopyPrograms[i].fProgram)); | |
| } | |
| } | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fMipmapPrograms); ++i) { | |
| if (0 != fMipmapPrograms[i].fProgram) { | |
| GL_CALL(DeleteProgram(fMipmapPrograms[i].fProgram)); | |
| } | |
| } | |
| if (fStencilClipClearProgram) { | |
| GL_CALL(DeleteProgram(fStencilClipClearProgram)); | |
| } | |
| if (fClearColorProgram.fProgram) { | |
| GL_CALL(DeleteProgram(fClearColorProgram.fProgram)); | |
| } | |
| delete fProgramCache; | |
| } | |
| void GrGLGpu::disconnect(DisconnectType type) { | |
| INHERITED::disconnect(type); | |
| if (DisconnectType::kCleanup == type) { | |
| if (fHWProgramID) { | |
| GL_CALL(UseProgram(0)); | |
| } | |
| if (fTempSrcFBOID) { | |
| this->deleteFramebuffer(fTempSrcFBOID); | |
| } | |
| if (fTempDstFBOID) { | |
| this->deleteFramebuffer(fTempDstFBOID); | |
| } | |
| if (fStencilClearFBOID) { | |
| this->deleteFramebuffer(fStencilClearFBOID); | |
| } | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fCopyPrograms); ++i) { | |
| if (fCopyPrograms[i].fProgram) { | |
| GL_CALL(DeleteProgram(fCopyPrograms[i].fProgram)); | |
| } | |
| } | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fMipmapPrograms); ++i) { | |
| if (fMipmapPrograms[i].fProgram) { | |
| GL_CALL(DeleteProgram(fMipmapPrograms[i].fProgram)); | |
| } | |
| } | |
| if (fStencilClipClearProgram) { | |
| GL_CALL(DeleteProgram(fStencilClipClearProgram)); | |
| } | |
| if (fClearColorProgram.fProgram) { | |
| GL_CALL(DeleteProgram(fClearColorProgram.fProgram)); | |
| } | |
| } else { | |
| if (fProgramCache) { | |
| fProgramCache->abandon(); | |
| } | |
| } | |
| fHWProgram.reset(); | |
| delete fProgramCache; | |
| fProgramCache = nullptr; | |
| fHWProgramID = 0; | |
| fTempSrcFBOID = 0; | |
| fTempDstFBOID = 0; | |
| fStencilClearFBOID = 0; | |
| fCopyProgramArrayBuffer.reset(); | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fCopyPrograms); ++i) { | |
| fCopyPrograms[i].fProgram = 0; | |
| } | |
| fMipmapProgramArrayBuffer.reset(); | |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fMipmapPrograms); ++i) { | |
| fMipmapPrograms[i].fProgram = 0; | |
| } | |
| fStencilClipClearProgram = 0; | |
| fStencilClipClearArrayBuffer.reset(); | |
| fClearColorProgram.fProgram = 0; | |
| if (this->glCaps().shaderCaps()->pathRenderingSupport()) { | |
| this->glPathRendering()->disconnect(type); | |
| } | |
| } | |
| /////////////////////////////////////////////////////////////////////////////// | |
| void GrGLGpu::onResetContext(uint32_t resetBits) { | |
| if (resetBits & kMisc_GrGLBackendState) { | |
| // we don't use the zb at all | |
| GL_CALL(Disable(GR_GL_DEPTH_TEST)); | |
| GL_CALL(DepthMask(GR_GL_FALSE)); | |
| // We don't use face culling. | |
| GL_CALL(Disable(GR_GL_CULL_FACE)); | |
| // We do use separate stencil. Our algorithms don't care which face is front vs. back so | |
| // just set this to the default for self-consistency. | |
| GL_CALL(FrontFace(GR_GL_CCW)); | |
| fHWBufferState[kTexel_GrBufferType].invalidate(); | |
| fHWBufferState[kDrawIndirect_GrBufferType].invalidate(); | |
| fHWBufferState[kXferCpuToGpu_GrBufferType].invalidate(); | |
| fHWBufferState[kXferGpuToCpu_GrBufferType].invalidate(); | |
| if (kGL_GrGLStandard == this->glStandard()) { | |
| #ifndef USE_NSIGHT | |
| // Desktop-only state that we never change | |
| if (!this->glCaps().isCoreProfile()) { | |
| GL_CALL(Disable(GR_GL_POINT_SMOOTH)); | |
| GL_CALL(Disable(GR_GL_LINE_SMOOTH)); | |
| GL_CALL(Disable(GR_GL_POLYGON_SMOOTH)); | |
| GL_CALL(Disable(GR_GL_POLYGON_STIPPLE)); | |
| GL_CALL(Disable(GR_GL_COLOR_LOGIC_OP)); | |
| GL_CALL(Disable(GR_GL_INDEX_LOGIC_OP)); | |
| } | |
| // The windows NVIDIA driver has GL_ARB_imaging in the extension string when using a | |
| // core profile. This seems like a bug since the core spec removes any mention of | |
| // GL_ARB_imaging. | |
| if (this->glCaps().imagingSupport() && !this->glCaps().isCoreProfile()) { | |
| GL_CALL(Disable(GR_GL_COLOR_TABLE)); | |
| } | |
| GL_CALL(Disable(GR_GL_POLYGON_OFFSET_FILL)); | |
| if (this->caps()->wireframeMode()) { | |
| GL_CALL(PolygonMode(GR_GL_FRONT_AND_BACK, GR_GL_LINE)); | |
| } else { | |
| GL_CALL(PolygonMode(GR_GL_FRONT_AND_BACK, GR_GL_FILL)); | |
| } | |
| #endif | |
| // Since ES doesn't support glPointSize at all we always use the VS to | |
| // set the point size | |
| GL_CALL(Enable(GR_GL_VERTEX_PROGRAM_POINT_SIZE)); | |
| } | |
| if (kGLES_GrGLStandard == this->glStandard() && | |
| this->hasExtension("GL_ARM_shader_framebuffer_fetch")) { | |
| // The arm extension requires specifically enabling MSAA fetching per sample. | |
| // On some devices this may have a perf hit. Also multiple render targets are disabled | |
| GL_CALL(Enable(GR_GL_FETCH_PER_SAMPLE_ARM)); | |
| } | |
| fHWWriteToColor = kUnknown_TriState; | |
| // we only ever use lines in hairline mode | |
| GL_CALL(LineWidth(1)); | |
| GL_CALL(Disable(GR_GL_DITHER)); | |
| } | |
| if (resetBits & kMSAAEnable_GrGLBackendState) { | |
| fMSAAEnabled = kUnknown_TriState; | |
| if (this->caps()->usesMixedSamples()) { | |
| if (0 != this->caps()->maxRasterSamples()) { | |
| fHWRasterMultisampleEnabled = kUnknown_TriState; | |
| fHWNumRasterSamples = 0; | |
| } | |
| // The skia blend modes all use premultiplied alpha and therefore expect RGBA coverage | |
| // modulation. This state has no effect when not rendering to a mixed sampled target. | |
| GL_CALL(CoverageModulation(GR_GL_RGBA)); | |
| } | |
| } | |
| fHWActiveTextureUnitIdx = -1; // invalid | |
| fLastPrimitiveType = static_cast<GrPrimitiveType>(-1); | |
| if (resetBits & kTextureBinding_GrGLBackendState) { | |
| for (int s = 0; s < fHWBoundTextureUniqueIDs.count(); ++s) { | |
| fHWBoundTextureUniqueIDs[s].makeInvalid(); | |
| } | |
| } | |
| if (resetBits & kBlend_GrGLBackendState) { | |
| fHWBlendState.invalidate(); | |
| } | |
| if (resetBits & kView_GrGLBackendState) { | |
| fHWScissorSettings.invalidate(); | |
| fHWWindowRectsState.invalidate(); | |
| fHWViewport.invalidate(); | |
| } | |
| if (resetBits & kStencil_GrGLBackendState) { | |
| fHWStencilSettings.invalidate(); | |
| fHWStencilTestEnabled = kUnknown_TriState; | |
| } | |
| // Vertex | |
| if (resetBits & kVertex_GrGLBackendState) { | |
| fHWVertexArrayState.invalidate(); | |
| fHWBufferState[kVertex_GrBufferType].invalidate(); | |
| fHWBufferState[kIndex_GrBufferType].invalidate(); | |
| if (this->glCaps().requiresFlushBetweenNonAndInstancedDraws()) { | |
| fRequiresFlushBeforeNextInstancedDraw = true; | |
| } | |
| } | |
| if (resetBits & kRenderTarget_GrGLBackendState) { | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| fHWSRGBFramebuffer = kUnknown_TriState; | |
| } | |
| if (resetBits & kPathRendering_GrGLBackendState) { | |
| if (this->caps()->shaderCaps()->pathRenderingSupport()) { | |
| this->glPathRendering()->resetContext(); | |
| } | |
| } | |
| // we assume these values | |
| if (resetBits & kPixelStore_GrGLBackendState) { | |
| if (this->glCaps().unpackRowLengthSupport()) { | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_ROW_LENGTH, 0)); | |
| } | |
| if (this->glCaps().packRowLengthSupport()) { | |
| GL_CALL(PixelStorei(GR_GL_PACK_ROW_LENGTH, 0)); | |
| } | |
| if (this->glCaps().unpackFlipYSupport()) { | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_FLIP_Y, GR_GL_FALSE)); | |
| } | |
| if (this->glCaps().packFlipYSupport()) { | |
| GL_CALL(PixelStorei(GR_GL_PACK_REVERSE_ROW_ORDER, GR_GL_FALSE)); | |
| } | |
| } | |
| if (resetBits & kProgram_GrGLBackendState) { | |
| fHWProgramID = 0; | |
| fHWProgram.reset(); | |
| } | |
| } | |
| static bool check_backend_texture(const GrBackendTexture& backendTex, const GrGLCaps& caps, | |
| GrGLTexture::IDDesc* idDesc) { | |
| GrGLTextureInfo info; | |
| if (!backendTex.getGLTextureInfo(&info) || !info.fID) { | |
| return false; | |
| } | |
| idDesc->fInfo = info; | |
| if (GR_GL_TEXTURE_EXTERNAL == idDesc->fInfo.fTarget) { | |
| if (!caps.shaderCaps()->externalTextureSupport()) { | |
| return false; | |
| } | |
| } else if (GR_GL_TEXTURE_RECTANGLE == idDesc->fInfo.fTarget) { | |
| if (!caps.rectangleTextureSupport()) { | |
| return false; | |
| } | |
| } else if (GR_GL_TEXTURE_2D != idDesc->fInfo.fTarget) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| sk_sp<GrTexture> GrGLGpu::onWrapBackendTexture(const GrBackendTexture& backendTex, | |
| GrWrapOwnership ownership) { | |
| GrGLTexture::IDDesc idDesc; | |
| if (!check_backend_texture(backendTex, this->glCaps(), &idDesc)) { | |
| return nullptr; | |
| } | |
| if (!idDesc.fInfo.fFormat) { | |
| idDesc.fInfo.fFormat = this->glCaps().configSizedInternalFormat(backendTex.config()); | |
| } | |
| if (kBorrow_GrWrapOwnership == ownership) { | |
| idDesc.fOwnership = GrBackendObjectOwnership::kBorrowed; | |
| } else { | |
| idDesc.fOwnership = GrBackendObjectOwnership::kOwned; | |
| } | |
| GrSurfaceDesc surfDesc; | |
| surfDesc.fFlags = kNone_GrSurfaceFlags; | |
| surfDesc.fWidth = backendTex.width(); | |
| surfDesc.fHeight = backendTex.height(); | |
| surfDesc.fConfig = backendTex.config(); | |
| surfDesc.fSampleCnt = 1; | |
| GrMipMapsStatus mipMapsStatus = backendTex.hasMipMaps() ? GrMipMapsStatus::kValid | |
| : GrMipMapsStatus::kNotAllocated; | |
| return GrGLTexture::MakeWrapped(this, surfDesc, mipMapsStatus, idDesc); | |
| } | |
| sk_sp<GrTexture> GrGLGpu::onWrapRenderableBackendTexture(const GrBackendTexture& backendTex, | |
| int sampleCnt, | |
| GrWrapOwnership ownership) { | |
| GrGLTexture::IDDesc idDesc; | |
| if (!check_backend_texture(backendTex, this->glCaps(), &idDesc)) { | |
| return nullptr; | |
| } | |
| if (!idDesc.fInfo.fFormat) { | |
| idDesc.fInfo.fFormat = this->glCaps().configSizedInternalFormat(backendTex.config()); | |
| } | |
| // We don't support rendering to a EXTERNAL texture. | |
| if (GR_GL_TEXTURE_EXTERNAL == idDesc.fInfo.fTarget) { | |
| return nullptr; | |
| } | |
| if (kBorrow_GrWrapOwnership == ownership) { | |
| idDesc.fOwnership = GrBackendObjectOwnership::kBorrowed; | |
| } else { | |
| idDesc.fOwnership = GrBackendObjectOwnership::kOwned; | |
| } | |
| GrSurfaceDesc surfDesc; | |
| surfDesc.fFlags = kRenderTarget_GrSurfaceFlag; | |
| surfDesc.fWidth = backendTex.width(); | |
| surfDesc.fHeight = backendTex.height(); | |
| surfDesc.fConfig = backendTex.config(); | |
| surfDesc.fSampleCnt = this->caps()->getRenderTargetSampleCount(sampleCnt, backendTex.config()); | |
| if (surfDesc.fSampleCnt < 1) { | |
| return nullptr; | |
| } | |
| GrGLRenderTarget::IDDesc rtIDDesc; | |
| if (!this->createRenderTargetObjects(surfDesc, idDesc.fInfo, &rtIDDesc)) { | |
| return nullptr; | |
| } | |
| GrMipMapsStatus mipMapsStatus = backendTex.hasMipMaps() ? GrMipMapsStatus::kDirty | |
| : GrMipMapsStatus::kNotAllocated; | |
| sk_sp<GrGLTextureRenderTarget> texRT( | |
| GrGLTextureRenderTarget::MakeWrapped(this, surfDesc, idDesc, rtIDDesc, mipMapsStatus)); | |
| texRT->baseLevelWasBoundToFBO(); | |
| return std::move(texRT); | |
| } | |
| sk_sp<GrRenderTarget> GrGLGpu::onWrapBackendRenderTarget(const GrBackendRenderTarget& backendRT) { | |
| GrGLFramebufferInfo info; | |
| if (!backendRT.getGLFramebufferInfo(&info)) { | |
| return nullptr; | |
| } | |
| GrGLRenderTarget::IDDesc idDesc; | |
| idDesc.fRTFBOID = info.fFBOID; | |
| idDesc.fMSColorRenderbufferID = 0; | |
| idDesc.fTexFBOID = GrGLRenderTarget::kUnresolvableFBOID; | |
| idDesc.fRTFBOOwnership = GrBackendObjectOwnership::kBorrowed; | |
| idDesc.fIsMixedSampled = false; | |
| GrSurfaceDesc desc; | |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
| desc.fWidth = backendRT.width(); | |
| desc.fHeight = backendRT.height(); | |
| desc.fConfig = backendRT.config(); | |
| desc.fSampleCnt = | |
| this->caps()->getRenderTargetSampleCount(backendRT.sampleCnt(), backendRT.config()); | |
| return GrGLRenderTarget::MakeWrapped(this, desc, idDesc, backendRT.stencilBits()); | |
| } | |
| sk_sp<GrRenderTarget> GrGLGpu::onWrapBackendTextureAsRenderTarget(const GrBackendTexture& tex, | |
| int sampleCnt) { | |
| GrGLTextureInfo info; | |
| if (!tex.getGLTextureInfo(&info) || !info.fID) { | |
| return nullptr; | |
| } | |
| if (GR_GL_TEXTURE_RECTANGLE != info.fTarget && | |
| GR_GL_TEXTURE_2D != info.fTarget) { | |
| // Only texture rectangle and texture 2d are supported. We do not check whether texture | |
| // rectangle is supported by Skia - if the caller provided us with a texture rectangle, | |
| // we assume the necessary support exists. | |
| return nullptr; | |
| } | |
| GrSurfaceDesc surfDesc; | |
| surfDesc.fFlags = kRenderTarget_GrSurfaceFlag; | |
| surfDesc.fWidth = tex.width(); | |
| surfDesc.fHeight = tex.height(); | |
| surfDesc.fConfig = tex.config(); | |
| surfDesc.fSampleCnt = this->caps()->getRenderTargetSampleCount(sampleCnt, tex.config()); | |
| GrGLRenderTarget::IDDesc rtIDDesc; | |
| if (!this->createRenderTargetObjects(surfDesc, info, &rtIDDesc)) { | |
| return nullptr; | |
| } | |
| return GrGLRenderTarget::MakeWrapped(this, surfDesc, rtIDDesc, 0); | |
| } | |
| static bool check_write_and_transfer_input(GrGLTexture* glTex) { | |
| if (!glTex) { | |
| return false; | |
| } | |
| // Write or transfer of pixels is not implemented for TEXTURE_EXTERNAL textures | |
| if (GR_GL_TEXTURE_EXTERNAL == glTex->target()) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| bool GrGLGpu::onWritePixels(GrSurface* surface, int left, int top, int width, int height, | |
| GrColorType srcColorType, const GrMipLevel texels[], | |
| int mipLevelCount) { | |
| auto glTex = static_cast<GrGLTexture*>(surface->asTexture()); | |
| if (!check_write_and_transfer_input(glTex)) { | |
| return false; | |
| } | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(glTex->target(), glTex->textureID())); | |
| // No sRGB transformation occurs in uploadTexData. We choose to make the src config match the | |
| // srgb-ness of the surface to avoid issues in ES2 where internal/external formats must match. | |
| // When we're on ES2 and the dst is GL_SRGB_ALPHA by making the config be kSRGB_8888 we know | |
| // that our caps will choose GL_SRGB_ALPHA as the external format, too. On ES3 or regular GL our | |
| // caps knows to make the external format be GL_RGBA. | |
| auto srgbEncoded = GrPixelConfigIsSRGBEncoded(surface->config()); | |
| auto srcAsConfig = GrColorTypeToPixelConfig(srcColorType, srgbEncoded); | |
| return this->uploadTexData(glTex->config(), glTex->width(), glTex->height(), glTex->target(), | |
| kWrite_UploadType, left, top, width, height, srcAsConfig, texels, | |
| mipLevelCount); | |
| } | |
| // For GL_[UN]PACK_ALIGNMENT. TODO: This really wants to be GrColorType. | |
| static inline GrGLint config_alignment(GrPixelConfig config) { | |
| switch (config) { | |
| case kAlpha_8_GrPixelConfig: | |
| case kAlpha_8_as_Alpha_GrPixelConfig: | |
| case kAlpha_8_as_Red_GrPixelConfig: | |
| case kGray_8_GrPixelConfig: | |
| case kGray_8_as_Lum_GrPixelConfig: | |
| case kGray_8_as_Red_GrPixelConfig: | |
| return 1; | |
| case kRGB_565_GrPixelConfig: | |
| case kRGBA_4444_GrPixelConfig: | |
| case kAlpha_half_GrPixelConfig: | |
| case kAlpha_half_as_Red_GrPixelConfig: | |
| case kRGBA_half_GrPixelConfig: | |
| return 2; | |
| case kRGBA_8888_GrPixelConfig: | |
| case kRGB_888_GrPixelConfig: // We're really talking about GrColorType::kRGB_888x here. | |
| case kBGRA_8888_GrPixelConfig: | |
| case kSRGBA_8888_GrPixelConfig: | |
| case kSBGRA_8888_GrPixelConfig: | |
| case kRGBA_1010102_GrPixelConfig: | |
| case kRGBA_float_GrPixelConfig: | |
| case kRG_float_GrPixelConfig: | |
| return 4; | |
| case kUnknown_GrPixelConfig: | |
| return 0; | |
| } | |
| SK_ABORT("Invalid pixel config"); | |
| return 0; | |
| } | |
| bool GrGLGpu::onTransferPixels(GrTexture* texture, int left, int top, int width, int height, | |
| GrColorType bufferColorType, GrBuffer* transferBuffer, size_t offset, | |
| size_t rowBytes) { | |
| GrGLTexture* glTex = static_cast<GrGLTexture*>(texture); | |
| GrPixelConfig texConfig = glTex->config(); | |
| SkASSERT(this->caps()->isConfigTexturable(texConfig)); | |
| if (!check_write_and_transfer_input(glTex)) { | |
| return false; | |
| } | |
| static_assert(sizeof(int) == sizeof(int32_t), ""); | |
| if (width <= 0 || height <= 0) { | |
| return false; | |
| } | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(glTex->target(), glTex->textureID())); | |
| SkASSERT(!transferBuffer->isMapped()); | |
| SkASSERT(!transferBuffer->isCPUBacked()); | |
| const GrGLBuffer* glBuffer = static_cast<const GrGLBuffer*>(transferBuffer); | |
| this->bindBuffer(kXferCpuToGpu_GrBufferType, glBuffer); | |
| SkDEBUGCODE( | |
| SkIRect subRect = SkIRect::MakeXYWH(left, top, width, height); | |
| SkIRect bounds = SkIRect::MakeWH(texture->width(), texture->height()); | |
| SkASSERT(bounds.contains(subRect)); | |
| ) | |
| int bpp = GrColorTypeBytesPerPixel(bufferColorType); | |
| const size_t trimRowBytes = width * bpp; | |
| if (!rowBytes) { | |
| rowBytes = trimRowBytes; | |
| } | |
| const void* pixels = (void*)offset; | |
| if (width < 0 || height < 0) { | |
| return false; | |
| } | |
| bool restoreGLRowLength = false; | |
| if (trimRowBytes != rowBytes) { | |
| // we should have checked for this support already | |
| SkASSERT(this->glCaps().unpackRowLengthSupport()); | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_ROW_LENGTH, rowBytes / bpp)); | |
| restoreGLRowLength = true; | |
| } | |
| // Internal format comes from the texture desc. | |
| GrGLenum internalFormat; | |
| // External format and type come from the upload data. | |
| GrGLenum externalFormat; | |
| GrGLenum externalType; | |
| auto bufferAsConfig = GrColorTypeToPixelConfig(bufferColorType, GrSRGBEncoded::kNo); | |
| if (!this->glCaps().getTexImageFormats(texConfig, bufferAsConfig, &internalFormat, | |
| &externalFormat, &externalType)) { | |
| return false; | |
| } | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_ALIGNMENT, config_alignment(texConfig))); | |
| GL_CALL(TexSubImage2D(glTex->target(), | |
| 0, | |
| left, top, | |
| width, | |
| height, | |
| externalFormat, externalType, | |
| pixels)); | |
| if (restoreGLRowLength) { | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_ROW_LENGTH, 0)); | |
| } | |
| return true; | |
| } | |
| /** | |
| * Creates storage space for the texture and fills it with texels. | |
| * | |
| * @param config Pixel config of the texture. | |
| * @param interface The GL interface in use. | |
| * @param caps The capabilities of the GL device. | |
| * @param internalFormat The data format used for the internal storage of the texture. May be sized. | |
| * @param internalFormatForTexStorage The data format used for the TexStorage API. Must be sized. | |
| * @param externalFormat The data format used for the external storage of the texture. | |
| * @param externalType The type of the data used for the external storage of the texture. | |
| * @param texels The texel data of the texture being created. | |
| * @param baseWidth The width of the texture's base mipmap level | |
| * @param baseHeight The height of the texture's base mipmap level | |
| */ | |
| static bool allocate_and_populate_texture(GrPixelConfig config, | |
| const GrGLInterface& interface, | |
| const GrGLCaps& caps, | |
| GrGLenum target, | |
| GrGLenum internalFormat, | |
| GrGLenum internalFormatForTexStorage, | |
| GrGLenum externalFormat, | |
| GrGLenum externalType, | |
| const GrMipLevel texels[], int mipLevelCount, | |
| int baseWidth, int baseHeight) { | |
| CLEAR_ERROR_BEFORE_ALLOC(&interface); | |
| bool useTexStorage = caps.isConfigTexSupportEnabled(config); | |
| // We can only use TexStorage if we know we will not later change the storage requirements. | |
| // This means if we may later want to add mipmaps, we cannot use TexStorage. | |
| // Right now, we cannot know if we will later add mipmaps or not. | |
| // The only time we can use TexStorage is when we already have the | |
| // mipmaps. | |
| useTexStorage &= mipLevelCount > 1; | |
| if (useTexStorage) { | |
| // We never resize or change formats of textures. | |
| GL_ALLOC_CALL(&interface, | |
| TexStorage2D(target, SkTMax(mipLevelCount, 1), internalFormatForTexStorage, | |
| baseWidth, baseHeight)); | |
| GrGLenum error = CHECK_ALLOC_ERROR(&interface); | |
| if (error != GR_GL_NO_ERROR) { | |
| return false; | |
| } else { | |
| for (int currentMipLevel = 0; currentMipLevel < mipLevelCount; currentMipLevel++) { | |
| const void* currentMipData = texels[currentMipLevel].fPixels; | |
| if (currentMipData == nullptr) { | |
| continue; | |
| } | |
| int twoToTheMipLevel = 1 << currentMipLevel; | |
| int currentWidth = SkTMax(1, baseWidth / twoToTheMipLevel); | |
| int currentHeight = SkTMax(1, baseHeight / twoToTheMipLevel); | |
| GR_GL_CALL(&interface, | |
| TexSubImage2D(target, | |
| currentMipLevel, | |
| 0, // left | |
| 0, // top | |
| currentWidth, | |
| currentHeight, | |
| externalFormat, externalType, | |
| currentMipData)); | |
| } | |
| return true; | |
| } | |
| } else { | |
| if (!mipLevelCount) { | |
| GL_ALLOC_CALL(&interface, | |
| TexImage2D(target, | |
| 0, | |
| internalFormat, | |
| baseWidth, | |
| baseHeight, | |
| 0, // border | |
| externalFormat, externalType, | |
| nullptr)); | |
| GrGLenum error = CHECK_ALLOC_ERROR(&interface); | |
| if (error != GR_GL_NO_ERROR) { | |
| return false; | |
| } | |
| } else { | |
| for (int currentMipLevel = 0; currentMipLevel < mipLevelCount; currentMipLevel++) { | |
| int twoToTheMipLevel = 1 << currentMipLevel; | |
| int currentWidth = SkTMax(1, baseWidth / twoToTheMipLevel); | |
| int currentHeight = SkTMax(1, baseHeight / twoToTheMipLevel); | |
| const void* currentMipData = texels[currentMipLevel].fPixels; | |
| // Even if curremtMipData is nullptr, continue to call TexImage2D. | |
| // This will allocate texture memory which we can later populate. | |
| GL_ALLOC_CALL(&interface, | |
| TexImage2D(target, | |
| currentMipLevel, | |
| internalFormat, | |
| currentWidth, | |
| currentHeight, | |
| 0, // border | |
| externalFormat, externalType, | |
| currentMipData)); | |
| GrGLenum error = CHECK_ALLOC_ERROR(&interface); | |
| if (error != GR_GL_NO_ERROR) { | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * After a texture is created, any state which was altered during its creation | |
| * needs to be restored. | |
| * | |
| * @param interface The GL interface to use. | |
| * @param caps The capabilities of the GL device. | |
| * @param restoreGLRowLength Should the row length unpacking be restored? | |
| * @param glFlipY Did GL flip the texture vertically? | |
| */ | |
| static void restore_pixelstore_state(const GrGLInterface& interface, const GrGLCaps& caps, | |
| bool restoreGLRowLength) { | |
| if (restoreGLRowLength) { | |
| SkASSERT(caps.unpackRowLengthSupport()); | |
| GR_GL_CALL(&interface, PixelStorei(GR_GL_UNPACK_ROW_LENGTH, 0)); | |
| } | |
| } | |
| void GrGLGpu::unbindCpuToGpuXferBuffer() { | |
| auto& xferBufferState = fHWBufferState[kXferCpuToGpu_GrBufferType]; | |
| if (!xferBufferState.fBoundBufferUniqueID.isInvalid()) { | |
| GL_CALL(BindBuffer(xferBufferState.fGLTarget, 0)); | |
| xferBufferState.invalidate(); | |
| } | |
| } | |
| // TODO: Make this take a GrColorType instead of dataConfig. This requires updating GrGLCaps to | |
| // convert from GrColorType to externalFormat/externalType GLenum values. | |
| bool GrGLGpu::uploadTexData(GrPixelConfig texConfig, int texWidth, int texHeight, GrGLenum target, | |
| UploadType uploadType, int left, int top, int width, int height, | |
| GrPixelConfig dataConfig, const GrMipLevel texels[], int mipLevelCount, | |
| GrMipMapsStatus* mipMapsStatus) { | |
| SkASSERT(this->caps()->isConfigTexturable(texConfig)); | |
| SkDEBUGCODE( | |
| SkIRect subRect = SkIRect::MakeXYWH(left, top, width, height); | |
| SkIRect bounds = SkIRect::MakeWH(texWidth, texHeight); | |
| SkASSERT(bounds.contains(subRect)); | |
| ) | |
| SkASSERT(1 == mipLevelCount || | |
| (0 == left && 0 == top && width == texWidth && height == texHeight)); | |
| this->unbindCpuToGpuXferBuffer(); | |
| // texels is const. | |
| // But we may need to flip the texture vertically to prepare it. | |
| // Rather than flip in place and alter the incoming data, | |
| // we allocate a new buffer to flip into. | |
| // This means we need to make a non-const shallow copy of texels. | |
| SkAutoTMalloc<GrMipLevel> texelsShallowCopy; | |
| if (mipLevelCount) { | |
| texelsShallowCopy.reset(mipLevelCount); | |
| memcpy(texelsShallowCopy.get(), texels, mipLevelCount*sizeof(GrMipLevel)); | |
| } | |
| const GrGLInterface* interface = this->glInterface(); | |
| const GrGLCaps& caps = this->glCaps(); | |
| size_t bpp = GrBytesPerPixel(dataConfig); | |
| if (width == 0 || height == 0) { | |
| return false; | |
| } | |
| // Internal format comes from the texture desc. | |
| GrGLenum internalFormat; | |
| // External format and type come from the upload data. | |
| GrGLenum externalFormat; | |
| GrGLenum externalType; | |
| if (!this->glCaps().getTexImageFormats(texConfig, dataConfig, &internalFormat, &externalFormat, | |
| &externalType)) { | |
| return false; | |
| } | |
| // TexStorage requires a sized format, and internalFormat may or may not be | |
| GrGLenum internalFormatForTexStorage = this->glCaps().configSizedInternalFormat(texConfig); | |
| /* | |
| * Check whether to allocate a temporary buffer for flipping y or | |
| * because our srcData has extra bytes past each row. If so, we need | |
| * to trim those off here, since GL ES may not let us specify | |
| * GL_UNPACK_ROW_LENGTH. | |
| */ | |
| bool restoreGLRowLength = false; | |
| // in case we need a temporary, trimmed copy of the src pixels | |
| SkAutoSMalloc<128 * 128> tempStorage; | |
| if (mipMapsStatus) { | |
| *mipMapsStatus = GrMipMapsStatus::kValid; | |
| } | |
| const bool usesMips = mipLevelCount > 1; | |
| // find the combined size of all the mip levels and the relative offset of | |
| // each into the collective buffer | |
| bool willNeedData = false; | |
| size_t combinedBufferSize = 0; | |
| SkTArray<size_t> individualMipOffsets(mipLevelCount); | |
| for (int currentMipLevel = 0; currentMipLevel < mipLevelCount; currentMipLevel++) { | |
| if (texelsShallowCopy[currentMipLevel].fPixels) { | |
| int twoToTheMipLevel = 1 << currentMipLevel; | |
| int currentWidth = SkTMax(1, width / twoToTheMipLevel); | |
| int currentHeight = SkTMax(1, height / twoToTheMipLevel); | |
| const size_t trimRowBytes = currentWidth * bpp; | |
| const size_t trimmedSize = trimRowBytes * currentHeight; | |
| const size_t rowBytes = texelsShallowCopy[currentMipLevel].fRowBytes | |
| ? texelsShallowCopy[currentMipLevel].fRowBytes | |
| : trimRowBytes; | |
| if (((!caps.unpackRowLengthSupport() || usesMips) && trimRowBytes != rowBytes)) { | |
| willNeedData = true; | |
| } | |
| individualMipOffsets.push_back(combinedBufferSize); | |
| combinedBufferSize += trimmedSize; | |
| } else { | |
| if (mipMapsStatus) { | |
| *mipMapsStatus = GrMipMapsStatus::kDirty; | |
| } | |
| individualMipOffsets.push_back(0); | |
| } | |
| } | |
| if (mipMapsStatus && mipLevelCount <= 1) { | |
| *mipMapsStatus = GrMipMapsStatus::kNotAllocated; | |
| } | |
| char* buffer = nullptr; | |
| if (willNeedData) { | |
| buffer = (char*)tempStorage.reset(combinedBufferSize); | |
| } | |
| for (int currentMipLevel = 0; currentMipLevel < mipLevelCount; currentMipLevel++) { | |
| if (!texelsShallowCopy[currentMipLevel].fPixels) { | |
| continue; | |
| } | |
| int twoToTheMipLevel = 1 << currentMipLevel; | |
| int currentWidth = SkTMax(1, width / twoToTheMipLevel); | |
| int currentHeight = SkTMax(1, height / twoToTheMipLevel); | |
| const size_t trimRowBytes = currentWidth * bpp; | |
| /* | |
| * check whether to allocate a temporary buffer for flipping y or | |
| * because our srcData has extra bytes past each row. If so, we need | |
| * to trim those off here, since GL ES may not let us specify | |
| * GL_UNPACK_ROW_LENGTH. | |
| */ | |
| restoreGLRowLength = false; | |
| const size_t rowBytes = texelsShallowCopy[currentMipLevel].fRowBytes | |
| ? texelsShallowCopy[currentMipLevel].fRowBytes | |
| : trimRowBytes; | |
| // TODO: This optimization should be enabled with or without mips. | |
| // For use with mips, we must set GR_GL_UNPACK_ROW_LENGTH once per | |
| // mip level, before calling glTexImage2D. | |
| if (caps.unpackRowLengthSupport() && !usesMips) { | |
| // can't use this for flipping, only non-neg values allowed. :( | |
| if (rowBytes != trimRowBytes) { | |
| GrGLint rowLength = static_cast<GrGLint>(rowBytes / bpp); | |
| GR_GL_CALL(interface, PixelStorei(GR_GL_UNPACK_ROW_LENGTH, rowLength)); | |
| restoreGLRowLength = true; | |
| } | |
| } else if (trimRowBytes != rowBytes) { | |
| // copy data into our new storage, skipping the trailing bytes | |
| const char* src = (const char*)texelsShallowCopy[currentMipLevel].fPixels; | |
| char* dst = buffer + individualMipOffsets[currentMipLevel]; | |
| SkRectMemcpy(dst, trimRowBytes, src, rowBytes, trimRowBytes, currentHeight); | |
| // now point data to our copied version | |
| texelsShallowCopy[currentMipLevel].fPixels = buffer + | |
| individualMipOffsets[currentMipLevel]; | |
| texelsShallowCopy[currentMipLevel].fRowBytes = trimRowBytes; | |
| } | |
| } | |
| if (mipLevelCount) { | |
| GR_GL_CALL(interface, PixelStorei(GR_GL_UNPACK_ALIGNMENT, config_alignment(texConfig))); | |
| } | |
| bool succeeded = true; | |
| if (kNewTexture_UploadType == uploadType) { | |
| if (0 == left && 0 == top && texWidth == width && texHeight == height) { | |
| succeeded = allocate_and_populate_texture( | |
| texConfig, *interface, caps, target, internalFormat, | |
| internalFormatForTexStorage, externalFormat, externalType, | |
| texelsShallowCopy, mipLevelCount, width, height); | |
| } else { | |
| succeeded = false; | |
| } | |
| } else { | |
| for (int currentMipLevel = 0; currentMipLevel < mipLevelCount; currentMipLevel++) { | |
| if (!texelsShallowCopy[currentMipLevel].fPixels) { | |
| continue; | |
| } | |
| int twoToTheMipLevel = 1 << currentMipLevel; | |
| int currentWidth = SkTMax(1, width / twoToTheMipLevel); | |
| int currentHeight = SkTMax(1, height / twoToTheMipLevel); | |
| GL_CALL(TexSubImage2D(target, | |
| currentMipLevel, | |
| left, top, | |
| currentWidth, | |
| currentHeight, | |
| externalFormat, externalType, | |
| texelsShallowCopy[currentMipLevel].fPixels)); | |
| } | |
| } | |
| restore_pixelstore_state(*interface, caps, restoreGLRowLength); | |
| return succeeded; | |
| } | |
| static bool renderbuffer_storage_msaa(const GrGLContext& ctx, | |
| int sampleCount, | |
| GrGLenum format, | |
| int width, int height) { | |
| CLEAR_ERROR_BEFORE_ALLOC(ctx.interface()); | |
| SkASSERT(GrGLCaps::kNone_MSFBOType != ctx.caps()->msFBOType()); | |
| switch (ctx.caps()->msFBOType()) { | |
| case GrGLCaps::kStandard_MSFBOType: | |
| case GrGLCaps::kMixedSamples_MSFBOType: | |
| GL_ALLOC_CALL(ctx.interface(), | |
| RenderbufferStorageMultisample(GR_GL_RENDERBUFFER, | |
| sampleCount, | |
| format, | |
| width, height)); | |
| break; | |
| case GrGLCaps::kES_Apple_MSFBOType: | |
| GL_ALLOC_CALL(ctx.interface(), | |
| RenderbufferStorageMultisampleES2APPLE(GR_GL_RENDERBUFFER, | |
| sampleCount, | |
| format, | |
| width, height)); | |
| break; | |
| case GrGLCaps::kES_EXT_MsToTexture_MSFBOType: | |
| case GrGLCaps::kES_IMG_MsToTexture_MSFBOType: | |
| GL_ALLOC_CALL(ctx.interface(), | |
| RenderbufferStorageMultisampleES2EXT(GR_GL_RENDERBUFFER, | |
| sampleCount, | |
| format, | |
| width, height)); | |
| break; | |
| case GrGLCaps::kNone_MSFBOType: | |
| SK_ABORT("Shouldn't be here if we don't support multisampled renderbuffers."); | |
| break; | |
| } | |
| return (GR_GL_NO_ERROR == CHECK_ALLOC_ERROR(ctx.interface())); | |
| } | |
| bool GrGLGpu::createRenderTargetObjects(const GrSurfaceDesc& desc, | |
| const GrGLTextureInfo& texInfo, | |
| GrGLRenderTarget::IDDesc* idDesc) { | |
| idDesc->fMSColorRenderbufferID = 0; | |
| idDesc->fRTFBOID = 0; | |
| idDesc->fRTFBOOwnership = GrBackendObjectOwnership::kOwned; | |
| idDesc->fTexFBOID = 0; | |
| SkASSERT((GrGLCaps::kMixedSamples_MSFBOType == this->glCaps().msFBOType()) == | |
| this->caps()->usesMixedSamples()); | |
| idDesc->fIsMixedSampled = desc.fSampleCnt > 1 && this->caps()->usesMixedSamples(); | |
| GrGLenum status; | |
| GrGLenum colorRenderbufferFormat = 0; // suppress warning | |
| if (desc.fSampleCnt > 1 && GrGLCaps::kNone_MSFBOType == this->glCaps().msFBOType()) { | |
| goto FAILED; | |
| } | |
| GL_CALL(GenFramebuffers(1, &idDesc->fTexFBOID)); | |
| if (!idDesc->fTexFBOID) { | |
| goto FAILED; | |
| } | |
| // If we are using multisampling we will create two FBOS. We render to one and then resolve to | |
| // the texture bound to the other. The exception is the IMG multisample extension. With this | |
| // extension the texture is multisampled when rendered to and then auto-resolves it when it is | |
| // rendered from. | |
| if (desc.fSampleCnt > 1 && this->glCaps().usesMSAARenderBuffers()) { | |
| GL_CALL(GenFramebuffers(1, &idDesc->fRTFBOID)); | |
| GL_CALL(GenRenderbuffers(1, &idDesc->fMSColorRenderbufferID)); | |
| if (!idDesc->fRTFBOID || | |
| !idDesc->fMSColorRenderbufferID) { | |
| goto FAILED; | |
| } | |
| this->glCaps().getRenderbufferFormat(desc.fConfig, &colorRenderbufferFormat); | |
| } else { | |
| idDesc->fRTFBOID = idDesc->fTexFBOID; | |
| } | |
| // below here we may bind the FBO | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| if (idDesc->fRTFBOID != idDesc->fTexFBOID) { | |
| SkASSERT(desc.fSampleCnt > 1); | |
| GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, idDesc->fMSColorRenderbufferID)); | |
| if (!renderbuffer_storage_msaa(*fGLContext, | |
| desc.fSampleCnt, | |
| colorRenderbufferFormat, | |
| desc.fWidth, desc.fHeight)) { | |
| goto FAILED; | |
| } | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, idDesc->fRTFBOID); | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| GR_GL_RENDERBUFFER, | |
| idDesc->fMSColorRenderbufferID)); | |
| if (!this->glCaps().isConfigVerifiedColorAttachment(desc.fConfig)) { | |
| GL_CALL_RET(status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); | |
| if (status != GR_GL_FRAMEBUFFER_COMPLETE) { | |
| goto FAILED; | |
| } | |
| fGLContext->caps()->markConfigAsValidColorAttachment(desc.fConfig); | |
| } | |
| } | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, idDesc->fTexFBOID); | |
| if (this->glCaps().usesImplicitMSAAResolve() && desc.fSampleCnt > 1) { | |
| GL_CALL(FramebufferTexture2DMultisample(GR_GL_FRAMEBUFFER, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| texInfo.fTarget, | |
| texInfo.fID, 0, desc.fSampleCnt)); | |
| } else { | |
| GL_CALL(FramebufferTexture2D(GR_GL_FRAMEBUFFER, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| texInfo.fTarget, | |
| texInfo.fID, 0)); | |
| } | |
| if (!this->glCaps().isConfigVerifiedColorAttachment(desc.fConfig)) { | |
| GL_CALL_RET(status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); | |
| if (status != GR_GL_FRAMEBUFFER_COMPLETE) { | |
| goto FAILED; | |
| } | |
| fGLContext->caps()->markConfigAsValidColorAttachment(desc.fConfig); | |
| } | |
| return true; | |
| FAILED: | |
| if (idDesc->fMSColorRenderbufferID) { | |
| GL_CALL(DeleteRenderbuffers(1, &idDesc->fMSColorRenderbufferID)); | |
| } | |
| if (idDesc->fRTFBOID != idDesc->fTexFBOID) { | |
| this->deleteFramebuffer(idDesc->fRTFBOID); | |
| } | |
| if (idDesc->fTexFBOID) { | |
| this->deleteFramebuffer(idDesc->fTexFBOID); | |
| } | |
| return false; | |
| } | |
| // good to set a break-point here to know when createTexture fails | |
| static sk_sp<GrTexture> return_null_texture() { | |
| // SkDEBUGFAIL("null texture"); | |
| return nullptr; | |
| } | |
| #if 0 && defined(SK_DEBUG) | |
| static size_t as_size_t(int x) { | |
| return x; | |
| } | |
| #endif | |
| static void set_initial_texture_params(const GrGLInterface* interface, | |
| const GrGLTextureInfo& info, | |
| GrGLTexture::TexParams* initialTexParams) { | |
| // Some drivers like to know filter/wrap before seeing glTexImage2D. Some | |
| // drivers have a bug where an FBO won't be complete if it includes a | |
| // texture that is not mipmap complete (considering the filter in use). | |
| // we only set a subset here so invalidate first | |
| initialTexParams->invalidate(); | |
| initialTexParams->fMinFilter = GR_GL_NEAREST; | |
| initialTexParams->fMagFilter = GR_GL_NEAREST; | |
| initialTexParams->fWrapS = GR_GL_CLAMP_TO_EDGE; | |
| initialTexParams->fWrapT = GR_GL_CLAMP_TO_EDGE; | |
| GR_GL_CALL(interface, TexParameteri(info.fTarget, | |
| GR_GL_TEXTURE_MAG_FILTER, | |
| initialTexParams->fMagFilter)); | |
| GR_GL_CALL(interface, TexParameteri(info.fTarget, | |
| GR_GL_TEXTURE_MIN_FILTER, | |
| initialTexParams->fMinFilter)); | |
| GR_GL_CALL(interface, TexParameteri(info.fTarget, | |
| GR_GL_TEXTURE_WRAP_S, | |
| initialTexParams->fWrapS)); | |
| GR_GL_CALL(interface, TexParameteri(info.fTarget, | |
| GR_GL_TEXTURE_WRAP_T, | |
| initialTexParams->fWrapT)); | |
| } | |
| sk_sp<GrTexture> GrGLGpu::onCreateTexture(const GrSurfaceDesc& desc, | |
| SkBudgeted budgeted, | |
| const GrMipLevel texels[], | |
| int mipLevelCount) { | |
| // We fail if the MSAA was requested and is not available. | |
| if (GrGLCaps::kNone_MSFBOType == this->glCaps().msFBOType() && desc.fSampleCnt > 1) { | |
| //SkDebugf("MSAA RT requested but not supported on this platform."); | |
| return return_null_texture(); | |
| } | |
| bool performClear = (desc.fFlags & kPerformInitialClear_GrSurfaceFlag); | |
| GrMipLevel zeroLevel; | |
| std::unique_ptr<uint8_t[]> zeros; | |
| if (performClear && !this->glCaps().clearTextureSupport() && | |
| !this->glCaps().canConfigBeFBOColorAttachment(desc.fConfig)) { | |
| size_t rowSize = GrBytesPerPixel(desc.fConfig) * desc.fWidth; | |
| size_t size = rowSize * desc.fHeight; | |
| zeros.reset(new uint8_t[size]); | |
| memset(zeros.get(), 0, size); | |
| zeroLevel.fPixels = zeros.get(); | |
| zeroLevel.fRowBytes = 0; | |
| texels = &zeroLevel; | |
| mipLevelCount = 1; | |
| performClear = false; | |
| } | |
| bool isRenderTarget = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag); | |
| GrGLTexture::IDDesc idDesc; | |
| idDesc.fOwnership = GrBackendObjectOwnership::kOwned; | |
| GrMipMapsStatus mipMapsStatus; | |
| GrGLTexture::TexParams initialTexParams; | |
| if (!this->createTextureImpl(desc, &idDesc.fInfo, isRenderTarget, &initialTexParams, texels, | |
| mipLevelCount, &mipMapsStatus)) { | |
| return return_null_texture(); | |
| } | |
| sk_sp<GrGLTexture> tex; | |
| if (isRenderTarget) { | |
| // unbind the texture from the texture unit before binding it to the frame buffer | |
| GL_CALL(BindTexture(idDesc.fInfo.fTarget, 0)); | |
| GrGLRenderTarget::IDDesc rtIDDesc; | |
| if (!this->createRenderTargetObjects(desc, idDesc.fInfo, &rtIDDesc)) { | |
| GL_CALL(DeleteTextures(1, &idDesc.fInfo.fID)); | |
| return return_null_texture(); | |
| } | |
| tex = sk_make_sp<GrGLTextureRenderTarget>(this, budgeted, desc, idDesc, rtIDDesc, | |
| mipMapsStatus); | |
| tex->baseLevelWasBoundToFBO(); | |
| } else { | |
| tex = sk_make_sp<GrGLTexture>(this, budgeted, desc, idDesc, mipMapsStatus); | |
| } | |
| tex->setCachedTexParams(initialTexParams, this->getResetTimestamp()); | |
| #ifdef TRACE_TEXTURE_CREATION | |
| SkDebugf("--- new texture [%d] size=(%d %d) config=%d\n", | |
| idDesc.fInfo.fID, desc.fWidth, desc.fHeight, desc.fConfig); | |
| #endif | |
| if (tex && performClear) { | |
| if (this->glCaps().clearTextureSupport()) { | |
| static constexpr uint32_t kZero = 0; | |
| GL_CALL(ClearTexImage(tex->textureID(), 0, GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, &kZero)); | |
| } else { | |
| GrGLIRect viewport; | |
| this->bindSurfaceFBOForPixelOps(tex.get(), GR_GL_FRAMEBUFFER, &viewport, | |
| kDst_TempFBOTarget); | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| GL_CALL(ColorMask(GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE)); | |
| fHWWriteToColor = kYes_TriState; | |
| GL_CALL(ClearColor(0, 0, 0, 0)); | |
| GL_CALL(Clear(GR_GL_COLOR_BUFFER_BIT)); | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, tex.get()); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| } | |
| } | |
| return std::move(tex); | |
| } | |
| namespace { | |
| const GrGLuint kUnknownBitCount = GrGLStencilAttachment::kUnknownBitCount; | |
| void inline get_stencil_rb_sizes(const GrGLInterface* gl, | |
| GrGLStencilAttachment::Format* format) { | |
| // we shouldn't ever know one size and not the other | |
| SkASSERT((kUnknownBitCount == format->fStencilBits) == | |
| (kUnknownBitCount == format->fTotalBits)); | |
| if (kUnknownBitCount == format->fStencilBits) { | |
| GR_GL_GetRenderbufferParameteriv(gl, GR_GL_RENDERBUFFER, | |
| GR_GL_RENDERBUFFER_STENCIL_SIZE, | |
| (GrGLint*)&format->fStencilBits); | |
| if (format->fPacked) { | |
| GR_GL_GetRenderbufferParameteriv(gl, GR_GL_RENDERBUFFER, | |
| GR_GL_RENDERBUFFER_DEPTH_SIZE, | |
| (GrGLint*)&format->fTotalBits); | |
| format->fTotalBits += format->fStencilBits; | |
| } else { | |
| format->fTotalBits = format->fStencilBits; | |
| } | |
| } | |
| } | |
| } | |
| int GrGLGpu::getCompatibleStencilIndex(GrPixelConfig config) { | |
| static const int kSize = 16; | |
| SkASSERT(this->caps()->isConfigRenderable(config)); | |
| if (!this->glCaps().hasStencilFormatBeenDeterminedForConfig(config)) { | |
| // Default to unsupported, set this if we find a stencil format that works. | |
| int firstWorkingStencilFormatIndex = -1; | |
| // Create color texture | |
| GrGLuint colorID = 0; | |
| GL_CALL(GenTextures(1, &colorID)); | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(GR_GL_TEXTURE_2D, colorID)); | |
| GL_CALL(TexParameteri(GR_GL_TEXTURE_2D, | |
| GR_GL_TEXTURE_MAG_FILTER, | |
| GR_GL_NEAREST)); | |
| GL_CALL(TexParameteri(GR_GL_TEXTURE_2D, | |
| GR_GL_TEXTURE_MIN_FILTER, | |
| GR_GL_NEAREST)); | |
| GL_CALL(TexParameteri(GR_GL_TEXTURE_2D, | |
| GR_GL_TEXTURE_WRAP_S, | |
| GR_GL_CLAMP_TO_EDGE)); | |
| GL_CALL(TexParameteri(GR_GL_TEXTURE_2D, | |
| GR_GL_TEXTURE_WRAP_T, | |
| GR_GL_CLAMP_TO_EDGE)); | |
| GrGLenum internalFormat; | |
| GrGLenum externalFormat; | |
| GrGLenum externalType; | |
| if (!this->glCaps().getTexImageFormats(config, config, &internalFormat, &externalFormat, | |
| &externalType)) { | |
| return false; | |
| } | |
| this->unbindCpuToGpuXferBuffer(); | |
| CLEAR_ERROR_BEFORE_ALLOC(this->glInterface()); | |
| GL_ALLOC_CALL(this->glInterface(), TexImage2D(GR_GL_TEXTURE_2D, | |
| 0, | |
| internalFormat, | |
| kSize, | |
| kSize, | |
| 0, | |
| externalFormat, | |
| externalType, | |
| nullptr)); | |
| if (GR_GL_NO_ERROR != CHECK_ALLOC_ERROR(this->glInterface())) { | |
| GL_CALL(DeleteTextures(1, &colorID)); | |
| return -1; | |
| } | |
| // unbind the texture from the texture unit before binding it to the frame buffer | |
| GL_CALL(BindTexture(GR_GL_TEXTURE_2D, 0)); | |
| // Create Framebuffer | |
| GrGLuint fb = 0; | |
| GL_CALL(GenFramebuffers(1, &fb)); | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, fb); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| GL_CALL(FramebufferTexture2D(GR_GL_FRAMEBUFFER, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| GR_GL_TEXTURE_2D, | |
| colorID, | |
| 0)); | |
| GrGLuint sbRBID = 0; | |
| GL_CALL(GenRenderbuffers(1, &sbRBID)); | |
| // look over formats till I find a compatible one | |
| int stencilFmtCnt = this->glCaps().stencilFormats().count(); | |
| if (sbRBID) { | |
| GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, sbRBID)); | |
| for (int i = 0; i < stencilFmtCnt && sbRBID; ++i) { | |
| const GrGLCaps::StencilFormat& sFmt = this->glCaps().stencilFormats()[i]; | |
| CLEAR_ERROR_BEFORE_ALLOC(this->glInterface()); | |
| GL_ALLOC_CALL(this->glInterface(), RenderbufferStorage(GR_GL_RENDERBUFFER, | |
| sFmt.fInternalFormat, | |
| kSize, kSize)); | |
| if (GR_GL_NO_ERROR == CHECK_ALLOC_ERROR(this->glInterface())) { | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_STENCIL_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, sbRBID)); | |
| if (sFmt.fPacked) { | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_DEPTH_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, sbRBID)); | |
| } else { | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_DEPTH_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, 0)); | |
| } | |
| GrGLenum status; | |
| GL_CALL_RET(status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); | |
| if (status == GR_GL_FRAMEBUFFER_COMPLETE) { | |
| firstWorkingStencilFormatIndex = i; | |
| break; | |
| } | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_STENCIL_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, 0)); | |
| if (sFmt.fPacked) { | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, | |
| GR_GL_DEPTH_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, 0)); | |
| } | |
| } | |
| } | |
| GL_CALL(DeleteRenderbuffers(1, &sbRBID)); | |
| } | |
| GL_CALL(DeleteTextures(1, &colorID)); | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, 0); | |
| this->deleteFramebuffer(fb); | |
| fGLContext->caps()->setStencilFormatIndexForConfig(config, firstWorkingStencilFormatIndex); | |
| } | |
| return this->glCaps().getStencilFormatIndexForConfig(config); | |
| } | |
| bool GrGLGpu::createTextureImpl(const GrSurfaceDesc& desc, GrGLTextureInfo* info, bool renderTarget, | |
| GrGLTexture::TexParams* initialTexParams, const GrMipLevel texels[], | |
| int mipLevelCount, GrMipMapsStatus* mipMapsStatus) { | |
| info->fID = 0; | |
| info->fTarget = GR_GL_TEXTURE_2D; | |
| GL_CALL(GenTextures(1, &(info->fID))); | |
| if (!info->fID) { | |
| return false; | |
| } | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(info->fTarget, info->fID)); | |
| if (renderTarget && this->glCaps().textureUsageSupport()) { | |
| // provides a hint about how this texture will be used | |
| GL_CALL(TexParameteri(info->fTarget, | |
| GR_GL_TEXTURE_USAGE, | |
| GR_GL_FRAMEBUFFER_ATTACHMENT)); | |
| } | |
| if (info) { | |
| set_initial_texture_params(this->glInterface(), *info, initialTexParams); | |
| } | |
| if (!this->uploadTexData(desc.fConfig, desc.fWidth, desc.fHeight, info->fTarget, | |
| kNewTexture_UploadType, 0, 0, desc.fWidth, desc.fHeight, desc.fConfig, | |
| texels, mipLevelCount, mipMapsStatus)) { | |
| GL_CALL(DeleteTextures(1, &(info->fID))); | |
| return false; | |
| } | |
| info->fFormat = this->glCaps().configSizedInternalFormat(desc.fConfig); | |
| return true; | |
| } | |
| GrStencilAttachment* GrGLGpu::createStencilAttachmentForRenderTarget(const GrRenderTarget* rt, | |
| int width, int height) { | |
| SkASSERT(width >= rt->width()); | |
| SkASSERT(height >= rt->height()); | |
| int samples = rt->numStencilSamples(); | |
| GrGLStencilAttachment::IDDesc sbDesc; | |
| int sIdx = this->getCompatibleStencilIndex(rt->config()); | |
| if (sIdx < 0) { | |
| return nullptr; | |
| } | |
| if (!sbDesc.fRenderbufferID) { | |
| GL_CALL(GenRenderbuffers(1, &sbDesc.fRenderbufferID)); | |
| } | |
| if (!sbDesc.fRenderbufferID) { | |
| return nullptr; | |
| } | |
| GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, sbDesc.fRenderbufferID)); | |
| const GrGLCaps::StencilFormat& sFmt = this->glCaps().stencilFormats()[sIdx]; | |
| CLEAR_ERROR_BEFORE_ALLOC(this->glInterface()); | |
| // we do this "if" so that we don't call the multisample | |
| // version on a GL that doesn't have an MSAA extension. | |
| if (samples > 1) { | |
| SkAssertResult(renderbuffer_storage_msaa(*fGLContext, | |
| samples, | |
| sFmt.fInternalFormat, | |
| width, height)); | |
| } else { | |
| GL_ALLOC_CALL(this->glInterface(), RenderbufferStorage(GR_GL_RENDERBUFFER, | |
| sFmt.fInternalFormat, | |
| width, height)); | |
| SkASSERT(GR_GL_NO_ERROR == CHECK_ALLOC_ERROR(this->glInterface())); | |
| } | |
| fStats.incStencilAttachmentCreates(); | |
| // After sized formats we attempt an unsized format and take | |
| // whatever sizes GL gives us. In that case we query for the size. | |
| GrGLStencilAttachment::Format format = sFmt; | |
| get_stencil_rb_sizes(this->glInterface(), &format); | |
| GrGLStencilAttachment* stencil = new GrGLStencilAttachment(this, | |
| sbDesc, | |
| width, | |
| height, | |
| samples, | |
| format); | |
| return stencil; | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| // GL_STREAM_DRAW triggers an optimization in Chromium's GPU process where a client's vertex buffer | |
| // objects are implemented as client-side-arrays on tile-deferred architectures. | |
| #define DYNAMIC_USAGE_PARAM GR_GL_STREAM_DRAW | |
| GrBuffer* GrGLGpu::onCreateBuffer(size_t size, GrBufferType intendedType, | |
| GrAccessPattern accessPattern, const void* data) { | |
| return GrGLBuffer::Create(this, size, intendedType, accessPattern, data); | |
| } | |
| void GrGLGpu::flushScissor(const GrScissorState& scissorState, | |
| const GrGLIRect& rtViewport, | |
| GrSurfaceOrigin rtOrigin) { | |
| if (scissorState.enabled()) { | |
| GrGLIRect scissor; | |
| scissor.setRelativeTo(rtViewport, scissorState.rect(), rtOrigin); | |
| // if the scissor fully contains the viewport then we fall through and | |
| // disable the scissor test. | |
| if (!scissor.contains(rtViewport)) { | |
| if (fHWScissorSettings.fRect != scissor) { | |
| scissor.pushToGLScissor(this->glInterface()); | |
| fHWScissorSettings.fRect = scissor; | |
| } | |
| if (kYes_TriState != fHWScissorSettings.fEnabled) { | |
| GL_CALL(Enable(GR_GL_SCISSOR_TEST)); | |
| fHWScissorSettings.fEnabled = kYes_TriState; | |
| } | |
| return; | |
| } | |
| } | |
| // See fall through note above | |
| this->disableScissor(); | |
| } | |
| void GrGLGpu::flushWindowRectangles(const GrWindowRectsState& windowState, | |
| const GrGLRenderTarget* rt, GrSurfaceOrigin origin) { | |
| #ifndef USE_NSIGHT | |
| typedef GrWindowRectsState::Mode Mode; | |
| SkASSERT(!windowState.enabled() || rt->renderFBOID()); // Window rects can't be used on-screen. | |
| SkASSERT(windowState.numWindows() <= this->caps()->maxWindowRectangles()); | |
| if (!this->caps()->maxWindowRectangles() || | |
| fHWWindowRectsState.knownEqualTo(origin, rt->getViewport(), windowState)) { | |
| return; | |
| } | |
| // This is purely a workaround for a spurious warning generated by gcc. Otherwise the above | |
| // assert would be sufficient. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=5912 | |
| int numWindows = SkTMin(windowState.numWindows(), int(GrWindowRectangles::kMaxWindows)); | |
| SkASSERT(windowState.numWindows() == numWindows); | |
| GrGLIRect glwindows[GrWindowRectangles::kMaxWindows]; | |
| const SkIRect* skwindows = windowState.windows().data(); | |
| for (int i = 0; i < numWindows; ++i) { | |
| glwindows[i].setRelativeTo(rt->getViewport(), skwindows[i], origin); | |
| } | |
| GrGLenum glmode = (Mode::kExclusive == windowState.mode()) ? GR_GL_EXCLUSIVE : GR_GL_INCLUSIVE; | |
| GL_CALL(WindowRectangles(glmode, numWindows, glwindows->asInts())); | |
| fHWWindowRectsState.set(origin, rt->getViewport(), windowState); | |
| #endif | |
| } | |
| void GrGLGpu::disableWindowRectangles() { | |
| #ifndef USE_NSIGHT | |
| if (!this->caps()->maxWindowRectangles() || fHWWindowRectsState.knownDisabled()) { | |
| return; | |
| } | |
| GL_CALL(WindowRectangles(GR_GL_EXCLUSIVE, 0, nullptr)); | |
| fHWWindowRectsState.setDisabled(); | |
| #endif | |
| } | |
| void GrGLGpu::flushMinSampleShading(float minSampleShading) { | |
| if (fHWMinSampleShading != minSampleShading) { | |
| if (minSampleShading > 0.0) { | |
| GL_CALL(Enable(GR_GL_SAMPLE_SHADING)); | |
| GL_CALL(MinSampleShading(minSampleShading)); | |
| } | |
| else { | |
| GL_CALL(Disable(GR_GL_SAMPLE_SHADING)); | |
| } | |
| fHWMinSampleShading = minSampleShading; | |
| } | |
| } | |
| void GrGLGpu::generateMipmapsForProcessorTextures(const GrPrimitiveProcessor& primProc, | |
| const GrPipeline& pipeline, | |
| const GrTextureProxy* const primProcTextures[]) { | |
| auto genLevelsIfNeeded = [this](GrTexture* tex, const GrSamplerState& sampler) { | |
| SkASSERT(tex); | |
| if (sampler.filter() == GrSamplerState::Filter::kMipMap && | |
| tex->texturePriv().mipMapped() == GrMipMapped::kYes && | |
| tex->texturePriv().mipMapsAreDirty()) { | |
| SkASSERT(this->caps()->mipMapSupport()); | |
| this->regenerateMipMapLevels(static_cast<GrGLTexture*>(tex)); | |
| } | |
| }; | |
| for (int i = 0; i < primProc.numTextureSamplers(); ++i) { | |
| GrTexture* tex = primProcTextures[i]->peekTexture(); | |
| genLevelsIfNeeded(tex, primProc.textureSampler(i).samplerState()); | |
| } | |
| GrFragmentProcessor::Iter iter(pipeline); | |
| while (const GrFragmentProcessor* fp = iter.next()) { | |
| for (int i = 0; i < fp->numTextureSamplers(); ++i) { | |
| const auto& textureSampler = fp->textureSampler(i); | |
| genLevelsIfNeeded(textureSampler.peekTexture(), textureSampler.samplerState()); | |
| } | |
| } | |
| } | |
| bool GrGLGpu::flushGLState(const GrPrimitiveProcessor& primProc, | |
| const GrPipeline& pipeline, | |
| const GrPipeline::FixedDynamicState* fixedDynamicState, | |
| bool willDrawPoints) { | |
| sk_sp<GrGLProgram> program(fProgramCache->refProgram(this, primProc, pipeline, willDrawPoints)); | |
| if (!program) { | |
| GrCapsDebugf(this->caps(), "Failed to create program!\n"); | |
| return false; | |
| } | |
| const GrTextureProxy* const* primProcProxies = nullptr; | |
| if (fixedDynamicState) { | |
| primProcProxies = fixedDynamicState->fPrimitiveProcessorTextures; | |
| } | |
| this->generateMipmapsForProcessorTextures(primProc, pipeline, primProcProxies); | |
| GrXferProcessor::BlendInfo blendInfo; | |
| pipeline.getXferProcessor().getBlendInfo(&blendInfo); | |
| this->flushColorWrite(blendInfo.fWriteColor); | |
| this->flushMinSampleShading(primProc.getSampleShading()); | |
| this->flushProgram(std::move(program)); | |
| if (blendInfo.fWriteColor) { | |
| // Swizzle the blend to match what the shader will output. | |
| const GrSwizzle& swizzle = this->caps()->shaderCaps()->configOutputSwizzle( | |
| pipeline.proxy()->config()); | |
| this->flushBlend(blendInfo, swizzle); | |
| } | |
| fHWProgram->updateUniformsAndTextureBindings(primProc, pipeline, primProcProxies); | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(pipeline.renderTarget()); | |
| GrStencilSettings stencil; | |
| if (pipeline.isStencilEnabled()) { | |
| // TODO: attach stencil and create settings during render target flush. | |
| SkASSERT(glRT->renderTargetPriv().getStencilAttachment()); | |
| stencil.reset(*pipeline.getUserStencil(), pipeline.hasStencilClip(), | |
| glRT->renderTargetPriv().numStencilBits()); | |
| } | |
| this->flushStencil(stencil); | |
| if (pipeline.isScissorEnabled()) { | |
| static constexpr SkIRect kBogusScissor{0, 0, 1, 1}; | |
| GrScissorState state(fixedDynamicState ? fixedDynamicState->fScissorRect : kBogusScissor); | |
| this->flushScissor(state, glRT->getViewport(), pipeline.proxy()->origin()); | |
| } else { | |
| this->disableScissor(); | |
| } | |
| this->flushWindowRectangles(pipeline.getWindowRectsState(), glRT, pipeline.proxy()->origin()); | |
| this->flushHWAAState(glRT, pipeline.isHWAntialiasState(), !stencil.isDisabled()); | |
| // This must come after textures are flushed because a texture may need | |
| // to be msaa-resolved (which will modify bound FBO state). | |
| this->flushRenderTarget(glRT); | |
| return true; | |
| } | |
| void GrGLGpu::flushProgram(sk_sp<GrGLProgram> program) { | |
| if (!program) { | |
| fHWProgram.reset(); | |
| fHWProgramID = 0; | |
| return; | |
| } | |
| SkASSERT((program == fHWProgram) == (fHWProgramID == program->programID())); | |
| if (program == fHWProgram) { | |
| return; | |
| } | |
| auto id = program->programID(); | |
| SkASSERT(id); | |
| GL_CALL(UseProgram(id)); | |
| fHWProgram = std::move(program); | |
| fHWProgramID = id; | |
| } | |
| void GrGLGpu::flushProgram(GrGLuint id) { | |
| SkASSERT(id); | |
| if (fHWProgramID == id) { | |
| SkASSERT(!fHWProgram); | |
| return; | |
| } | |
| fHWProgram.reset(); | |
| GL_CALL(UseProgram(id)); | |
| fHWProgramID = id; | |
| } | |
| void GrGLGpu::setupGeometry(const GrBuffer* indexBuffer, | |
| const GrBuffer* vertexBuffer, | |
| int baseVertex, | |
| const GrBuffer* instanceBuffer, | |
| int baseInstance, | |
| GrPrimitiveRestart enablePrimitiveRestart) { | |
| SkASSERT((enablePrimitiveRestart == GrPrimitiveRestart::kNo) || indexBuffer); | |
| GrGLAttribArrayState* attribState; | |
| if (indexBuffer) { | |
| SkASSERT(indexBuffer && !indexBuffer->isMapped()); | |
| attribState = fHWVertexArrayState.bindInternalVertexArray(this, indexBuffer); | |
| } else { | |
| attribState = fHWVertexArrayState.bindInternalVertexArray(this); | |
| } | |
| int numAttribs = fHWProgram->numVertexAttributes() + fHWProgram->numInstanceAttributes(); | |
| attribState->enableVertexArrays(this, numAttribs, enablePrimitiveRestart); | |
| if (int vertexStride = fHWProgram->vertexStride()) { | |
| SkASSERT(vertexBuffer && !vertexBuffer->isMapped()); | |
| size_t bufferOffset = vertexBuffer->baseOffset() + baseVertex * vertexStride; | |
| for (int i = 0; i < fHWProgram->numVertexAttributes(); ++i) { | |
| const auto& attrib = fHWProgram->vertexAttribute(i); | |
| static constexpr int kDivisor = 0; | |
| attribState->set(this, attrib.fLocation, vertexBuffer, attrib.fType, vertexStride, | |
| bufferOffset + attrib.fOffset, kDivisor); | |
| } | |
| } | |
| if (int instanceStride = fHWProgram->instanceStride()) { | |
| SkASSERT(instanceBuffer && !instanceBuffer->isMapped()); | |
| size_t bufferOffset = instanceBuffer->baseOffset() + baseInstance * instanceStride; | |
| int attribIdx = fHWProgram->numVertexAttributes(); | |
| for (int i = 0; i < fHWProgram->numInstanceAttributes(); ++i, ++attribIdx) { | |
| const auto& attrib = fHWProgram->instanceAttribute(i); | |
| static constexpr int kDivisor = 1; | |
| attribState->set(this, attrib.fLocation, instanceBuffer, attrib.fType, instanceStride, | |
| bufferOffset + attrib.fOffset, kDivisor); | |
| } | |
| } | |
| } | |
| GrGLenum GrGLGpu::bindBuffer(GrBufferType type, const GrBuffer* buffer) { | |
| this->handleDirtyContext(); | |
| // Index buffer state is tied to the vertex array. | |
| if (kIndex_GrBufferType == type) { | |
| this->bindVertexArray(0); | |
| } | |
| SkASSERT(type >= 0 && type <= kLast_GrBufferType); | |
| auto& bufferState = fHWBufferState[type]; | |
| if (buffer->uniqueID() != bufferState.fBoundBufferUniqueID) { | |
| if (buffer->isCPUBacked()) { | |
| if (!bufferState.fBufferZeroKnownBound) { | |
| GL_CALL(BindBuffer(bufferState.fGLTarget, 0)); | |
| } | |
| } else { | |
| const GrGLBuffer* glBuffer = static_cast<const GrGLBuffer*>(buffer); | |
| GL_CALL(BindBuffer(bufferState.fGLTarget, glBuffer->bufferID())); | |
| } | |
| bufferState.fBufferZeroKnownBound = buffer->isCPUBacked(); | |
| bufferState.fBoundBufferUniqueID = buffer->uniqueID(); | |
| } | |
| return bufferState.fGLTarget; | |
| } | |
| void GrGLGpu::disableScissor() { | |
| if (kNo_TriState != fHWScissorSettings.fEnabled) { | |
| GL_CALL(Disable(GR_GL_SCISSOR_TEST)); | |
| fHWScissorSettings.fEnabled = kNo_TriState; | |
| return; | |
| } | |
| } | |
| void GrGLGpu::clear(const GrFixedClip& clip, GrColor color, | |
| GrRenderTarget* target, GrSurfaceOrigin origin) { | |
| // parent class should never let us get here with no RT | |
| SkASSERT(target); | |
| this->handleDirtyContext(); | |
| GrGLfloat r, g, b, a; | |
| static const GrGLfloat scale255 = 1.f / 255.f; | |
| a = GrColorUnpackA(color) * scale255; | |
| GrGLfloat scaleRGB = scale255; | |
| r = GrColorUnpackR(color) * scaleRGB; | |
| g = GrColorUnpackG(color) * scaleRGB; | |
| b = GrColorUnpackB(color) * scaleRGB; | |
| if (this->glCaps().useDrawToClearColor()) { | |
| this->clearColorAsDraw(clip, r, g, b, a, target, origin); | |
| return; | |
| } | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(target); | |
| if (clip.scissorEnabled()) { | |
| this->flushRenderTarget(glRT, origin, clip.scissorRect()); | |
| } else { | |
| this->flushRenderTarget(glRT); | |
| } | |
| this->flushScissor(clip.scissorState(), glRT->getViewport(), origin); | |
| this->flushWindowRectangles(clip.windowRectsState(), glRT, origin); | |
| GL_CALL(ColorMask(GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE)); | |
| fHWWriteToColor = kYes_TriState; | |
| if (this->glCaps().clearToBoundaryValuesIsBroken() && | |
| (1 == r || 0 == r) && (1 == g || 0 == g) && (1 == b || 0 == b) && (1 == a || 0 == a)) { | |
| static const GrGLfloat safeAlpha1 = nextafter(1.f, 2.f); | |
| static const GrGLfloat safeAlpha0 = nextafter(0.f, -1.f); | |
| a = (1 == a) ? safeAlpha1 : safeAlpha0; | |
| } | |
| GL_CALL(ClearColor(r, g, b, a)); | |
| GL_CALL(Clear(GR_GL_COLOR_BUFFER_BIT)); | |
| } | |
| void GrGLGpu::clearStencil(GrRenderTarget* target, int clearValue) { | |
| if (!target) { | |
| return; | |
| } | |
| GrStencilAttachment* sb = target->renderTargetPriv().getStencilAttachment(); | |
| // this should only be called internally when we know we have a | |
| // stencil buffer. | |
| SkASSERT(sb); | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(target); | |
| this->flushRenderTargetNoColorWrites(glRT); | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| GL_CALL(StencilMask(0xffffffff)); | |
| GL_CALL(ClearStencil(clearValue)); | |
| GL_CALL(Clear(GR_GL_STENCIL_BUFFER_BIT)); | |
| fHWStencilSettings.invalidate(); | |
| if (!clearValue) { | |
| sb->cleared(); | |
| } | |
| } | |
| void GrGLGpu::clearStencilClip(const GrFixedClip& clip, | |
| bool insideStencilMask, | |
| GrRenderTarget* target, GrSurfaceOrigin origin) { | |
| SkASSERT(target); | |
| this->handleDirtyContext(); | |
| if (this->glCaps().useDrawToClearStencilClip()) { | |
| this->clearStencilClipAsDraw(clip, insideStencilMask, target, origin); | |
| return; | |
| } | |
| GrStencilAttachment* sb = target->renderTargetPriv().getStencilAttachment(); | |
| // this should only be called internally when we know we have a | |
| // stencil buffer. | |
| SkASSERT(sb); | |
| GrGLint stencilBitCount = sb->bits(); | |
| #if 0 | |
| SkASSERT(stencilBitCount > 0); | |
| GrGLint clipStencilMask = (1 << (stencilBitCount - 1)); | |
| #else | |
| // we could just clear the clip bit but when we go through | |
| // ANGLE a partial stencil mask will cause clears to be | |
| // turned into draws. Our contract on GrOpList says that | |
| // changing the clip between stencil passes may or may not | |
| // zero the client's clip bits. So we just clear the whole thing. | |
| static const GrGLint clipStencilMask = ~0; | |
| #endif | |
| GrGLint value; | |
| if (insideStencilMask) { | |
| value = (1 << (stencilBitCount - 1)); | |
| } else { | |
| value = 0; | |
| } | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(target); | |
| this->flushRenderTargetNoColorWrites(glRT); | |
| this->flushScissor(clip.scissorState(), glRT->getViewport(), origin); | |
| this->flushWindowRectangles(clip.windowRectsState(), glRT, origin); | |
| GL_CALL(StencilMask((uint32_t) clipStencilMask)); | |
| GL_CALL(ClearStencil(value)); | |
| GL_CALL(Clear(GR_GL_STENCIL_BUFFER_BIT)); | |
| fHWStencilSettings.invalidate(); | |
| } | |
| bool GrGLGpu::readPixelsSupported(GrRenderTarget* target, GrPixelConfig readConfig) { | |
| #ifdef SK_BUILD_FOR_MAC | |
| // Chromium may ask us to read back from locked IOSurfaces. Calling the command buffer's | |
| // glGetIntegerv() with GL_IMPLEMENTATION_COLOR_READ_FORMAT/_TYPE causes the command buffer | |
| // to make a call to check the framebuffer status which can hang the driver. So in Mac Chromium | |
| // we always use a temporary surface to test for read pixels support. | |
| // https://www.crbug.com/662802 | |
| if (this->glContext().driver() == kChromium_GrGLDriver) { | |
| return this->readPixelsSupported(target->config(), readConfig); | |
| } | |
| #endif | |
| auto bindRenderTarget = [this, target]() -> bool { | |
| this->flushRenderTargetNoColorWrites(static_cast<GrGLRenderTarget*>(target)); | |
| return true; | |
| }; | |
| auto unbindRenderTarget = []{}; | |
| auto getIntegerv = [this](GrGLenum query, GrGLint* value) { | |
| GR_GL_GetIntegerv(this->glInterface(), query, value); | |
| }; | |
| GrPixelConfig rtConfig = target->config(); | |
| return this->glCaps().readPixelsSupported(rtConfig, readConfig, getIntegerv, bindRenderTarget, | |
| unbindRenderTarget); | |
| } | |
| bool GrGLGpu::readPixelsSupported(GrPixelConfig rtConfig, GrPixelConfig readConfig) { | |
| sk_sp<GrTexture> temp; | |
| auto bindRenderTarget = [this, rtConfig, &temp]() -> bool { | |
| GrSurfaceDesc desc; | |
| desc.fConfig = rtConfig; | |
| desc.fWidth = desc.fHeight = 16; | |
| if (this->glCaps().isConfigRenderable(rtConfig)) { | |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
| temp = this->createTexture(desc, SkBudgeted::kNo); | |
| if (!temp) { | |
| return false; | |
| } | |
| GrGLRenderTarget* glrt = static_cast<GrGLRenderTarget*>(temp->asRenderTarget()); | |
| this->flushRenderTargetNoColorWrites(glrt); | |
| return true; | |
| } else if (this->glCaps().canConfigBeFBOColorAttachment(rtConfig)) { | |
| temp = this->createTexture(desc, SkBudgeted::kNo); | |
| if (!temp) { | |
| return false; | |
| } | |
| GrGLIRect vp; | |
| this->bindSurfaceFBOForPixelOps(temp.get(), GR_GL_FRAMEBUFFER, &vp, kDst_TempFBOTarget); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| return true; | |
| } | |
| return false; | |
| }; | |
| auto unbindRenderTarget = [this, &temp]() { | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, temp.get()); | |
| }; | |
| auto getIntegerv = [this](GrGLenum query, GrGLint* value) { | |
| GR_GL_GetIntegerv(this->glInterface(), query, value); | |
| }; | |
| return this->glCaps().readPixelsSupported(rtConfig, readConfig, getIntegerv, bindRenderTarget, | |
| unbindRenderTarget); | |
| } | |
| bool GrGLGpu::readPixelsSupported(GrSurface* surfaceForConfig, GrPixelConfig readConfig) { | |
| if (GrRenderTarget* rt = surfaceForConfig->asRenderTarget()) { | |
| return this->readPixelsSupported(rt, readConfig); | |
| } else { | |
| GrPixelConfig config = surfaceForConfig->config(); | |
| return this->readPixelsSupported(config, readConfig); | |
| } | |
| } | |
| bool GrGLGpu::onReadPixels(GrSurface* surface, int left, int top, int width, int height, | |
| GrColorType dstColorType, void* buffer, size_t rowBytes) { | |
| SkASSERT(surface); | |
| GrGLRenderTarget* renderTarget = static_cast<GrGLRenderTarget*>(surface->asRenderTarget()); | |
| if (!renderTarget && !this->glCaps().canConfigBeFBOColorAttachment(surface->config())) { | |
| return false; | |
| } | |
| // TODO: Avoid this conversion by making GrGLCaps work with color types. | |
| auto dstAsConfig = GrColorTypeToPixelConfig(dstColorType, GrSRGBEncoded::kNo); | |
| if (!this->readPixelsSupported(surface, dstAsConfig)) { | |
| return false; | |
| } | |
| GrGLenum externalFormat; | |
| GrGLenum externalType; | |
| if (!this->glCaps().getReadPixelsFormat(surface->config(), dstAsConfig, &externalFormat, | |
| &externalType)) { | |
| return false; | |
| } | |
| GrGLIRect glvp; | |
| if (renderTarget) { | |
| // resolve the render target if necessary | |
| switch (renderTarget->getResolveType()) { | |
| case GrGLRenderTarget::kCantResolve_ResolveType: | |
| return false; | |
| case GrGLRenderTarget::kAutoResolves_ResolveType: | |
| this->flushRenderTargetNoColorWrites(renderTarget); | |
| break; | |
| case GrGLRenderTarget::kCanResolve_ResolveType: | |
| this->onResolveRenderTarget(renderTarget); | |
| // we don't track the state of the READ FBO ID. | |
| this->bindFramebuffer(GR_GL_READ_FRAMEBUFFER, renderTarget->textureFBOID()); | |
| break; | |
| default: | |
| SK_ABORT("Unknown resolve type"); | |
| } | |
| glvp = renderTarget->getViewport(); | |
| } else { | |
| // Use a temporary FBO. | |
| this->bindSurfaceFBOForPixelOps(surface, GR_GL_FRAMEBUFFER, &glvp, kSrc_TempFBOTarget); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| } | |
| // the read rect is viewport-relative | |
| GrGLIRect readRect; | |
| readRect.setRelativeTo(glvp, left, top, width, height, kTopLeft_GrSurfaceOrigin); | |
| int bytesPerPixel = GrBytesPerPixel(dstAsConfig); | |
| size_t tightRowBytes = bytesPerPixel * width; | |
| size_t readDstRowBytes = tightRowBytes; | |
| void* readDst = buffer; | |
| // determine if GL can read using the passed rowBytes or if we need a scratch buffer. | |
| SkAutoSMalloc<32 * sizeof(GrColor)> scratch; | |
| if (rowBytes != tightRowBytes) { | |
| if (this->glCaps().packRowLengthSupport() && !(rowBytes % bytesPerPixel)) { | |
| GL_CALL(PixelStorei(GR_GL_PACK_ROW_LENGTH, | |
| static_cast<GrGLint>(rowBytes / bytesPerPixel))); | |
| readDstRowBytes = rowBytes; | |
| } else { | |
| scratch.reset(tightRowBytes * height); | |
| readDst = scratch.get(); | |
| } | |
| } | |
| GL_CALL(PixelStorei(GR_GL_PACK_ALIGNMENT, config_alignment(dstAsConfig))); | |
| GL_CALL(ReadPixels(readRect.fLeft, readRect.fBottom, | |
| readRect.fWidth, readRect.fHeight, | |
| externalFormat, externalType, readDst)); | |
| if (readDstRowBytes != tightRowBytes) { | |
| SkASSERT(this->glCaps().packRowLengthSupport()); | |
| GL_CALL(PixelStorei(GR_GL_PACK_ROW_LENGTH, 0)); | |
| } | |
| if (readDst != buffer) { | |
| SkASSERT(readDst != buffer); | |
| SkASSERT(rowBytes != tightRowBytes); | |
| const char* src = reinterpret_cast<const char*>(readDst); | |
| char* dst = reinterpret_cast<char*>(buffer); | |
| SkRectMemcpy(dst, rowBytes, src, readDstRowBytes, tightRowBytes, height); | |
| } | |
| if (!renderTarget) { | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, surface); | |
| } | |
| return true; | |
| } | |
| GrGpuRTCommandBuffer* GrGLGpu::getCommandBuffer( | |
| GrRenderTarget* rt, GrSurfaceOrigin origin, | |
| const GrGpuRTCommandBuffer::LoadAndStoreInfo& colorInfo, | |
| const GrGpuRTCommandBuffer::StencilLoadAndStoreInfo& stencilInfo) { | |
| if (!fCachedRTCommandBuffer) { | |
| fCachedRTCommandBuffer.reset(new GrGLGpuRTCommandBuffer(this)); | |
| } | |
| fCachedRTCommandBuffer->set(rt, origin, colorInfo, stencilInfo); | |
| return fCachedRTCommandBuffer.get(); | |
| } | |
| GrGpuTextureCommandBuffer* GrGLGpu::getCommandBuffer(GrTexture* texture, GrSurfaceOrigin origin) { | |
| if (!fCachedTexCommandBuffer) { | |
| fCachedTexCommandBuffer.reset(new GrGLGpuTextureCommandBuffer(this)); | |
| } | |
| fCachedTexCommandBuffer->set(texture, origin); | |
| return fCachedTexCommandBuffer.get(); | |
| } | |
| void GrGLGpu::flushRenderTarget(GrGLRenderTarget* target, GrSurfaceOrigin origin, | |
| const SkIRect& bounds) { | |
| this->flushRenderTargetNoColorWrites(target); | |
| this->didWriteToSurface(target, origin, &bounds); | |
| } | |
| void GrGLGpu::flushRenderTarget(GrGLRenderTarget* target) { | |
| this->flushRenderTargetNoColorWrites(target); | |
| this->didWriteToSurface(target, kTopLeft_GrSurfaceOrigin, nullptr); | |
| } | |
| void GrGLGpu::flushRenderTargetNoColorWrites(GrGLRenderTarget* target) { | |
| SkASSERT(target); | |
| GrGpuResource::UniqueID rtID = target->uniqueID(); | |
| if (fHWBoundRenderTargetUniqueID != rtID) { | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, target->renderFBOID()); | |
| #ifdef SK_DEBUG | |
| // don't do this check in Chromium -- this is causing | |
| // lots of repeated command buffer flushes when the compositor is | |
| // rendering with Ganesh, which is really slow; even too slow for | |
| // Debug mode. | |
| if (kChromium_GrGLDriver != this->glContext().driver()) { | |
| GrGLenum status; | |
| GL_CALL_RET(status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); | |
| if (status != GR_GL_FRAMEBUFFER_COMPLETE) { | |
| SkDebugf("GrGLGpu::flushRenderTarget glCheckFramebufferStatus %x\n", status); | |
| } | |
| } | |
| #endif | |
| if (this->glCaps().requiresFlushBetweenNonAndInstancedDraws()) { | |
| fRequiresFlushBeforeNextInstancedDraw = false; | |
| } | |
| fHWBoundRenderTargetUniqueID = rtID; | |
| this->flushViewport(target->getViewport()); | |
| } | |
| if (this->glCaps().srgbWriteControl()) { | |
| this->flushFramebufferSRGB(GrPixelConfigIsSRGB(target->config())); | |
| } | |
| } | |
| void GrGLGpu::flushFramebufferSRGB(bool enable) { | |
| if (enable && kYes_TriState != fHWSRGBFramebuffer) { | |
| GL_CALL(Enable(GR_GL_FRAMEBUFFER_SRGB)); | |
| fHWSRGBFramebuffer = kYes_TriState; | |
| } else if (!enable && kNo_TriState != fHWSRGBFramebuffer) { | |
| GL_CALL(Disable(GR_GL_FRAMEBUFFER_SRGB)); | |
| fHWSRGBFramebuffer = kNo_TriState; | |
| } | |
| } | |
| void GrGLGpu::flushViewport(const GrGLIRect& viewport) { | |
| if (fHWViewport != viewport) { | |
| viewport.pushToGLViewport(this->glInterface()); | |
| fHWViewport = viewport; | |
| } | |
| } | |
| #define SWAP_PER_DRAW 0 | |
| #if SWAP_PER_DRAW | |
| #if defined(SK_BUILD_FOR_MAC) | |
| #include <AGL/agl.h> | |
| #elif defined(SK_BUILD_FOR_WIN) | |
| #include <gl/GL.h> | |
| void SwapBuf() { | |
| DWORD procID = GetCurrentProcessId(); | |
| HWND hwnd = GetTopWindow(GetDesktopWindow()); | |
| while(hwnd) { | |
| DWORD wndProcID = 0; | |
| GetWindowThreadProcessId(hwnd, &wndProcID); | |
| if(wndProcID == procID) { | |
| SwapBuffers(GetDC(hwnd)); | |
| } | |
| hwnd = GetNextWindow(hwnd, GW_HWNDNEXT); | |
| } | |
| } | |
| #endif | |
| #endif | |
| void GrGLGpu::draw(const GrPrimitiveProcessor& primProc, | |
| const GrPipeline& pipeline, | |
| const GrPipeline::FixedDynamicState* fixedDynamicState, | |
| const GrPipeline::DynamicStateArrays* dynamicStateArrays, | |
| const GrMesh meshes[], | |
| int meshCount) { | |
| this->handleDirtyContext(); | |
| bool hasPoints = false; | |
| for (int i = 0; i < meshCount; ++i) { | |
| if (meshes[i].primitiveType() == GrPrimitiveType::kPoints) { | |
| hasPoints = true; | |
| break; | |
| } | |
| } | |
| if (!this->flushGLState(primProc, pipeline, fixedDynamicState, hasPoints)) { | |
| return; | |
| } | |
| bool dynamicScissor = | |
| pipeline.isScissorEnabled() && dynamicStateArrays && dynamicStateArrays->fScissorRects; | |
| for (int i = 0; i < meshCount; ++i) { | |
| if (GrXferBarrierType barrierType = pipeline.xferBarrierType(*this->caps())) { | |
| this->xferBarrier(pipeline.renderTarget(), barrierType); | |
| } | |
| if (dynamicScissor) { | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(pipeline.renderTarget()); | |
| this->flushScissor(GrScissorState(dynamicStateArrays->fScissorRects[i]), | |
| glRT->getViewport(), pipeline.proxy()->origin()); | |
| } | |
| if (this->glCaps().requiresCullFaceEnableDisableWhenDrawingLinesAfterNonLines() && | |
| GrIsPrimTypeLines(meshes[i].primitiveType()) && | |
| !GrIsPrimTypeLines(fLastPrimitiveType)) { | |
| GL_CALL(Enable(GR_GL_CULL_FACE)); | |
| GL_CALL(Disable(GR_GL_CULL_FACE)); | |
| } | |
| meshes[i].sendToGpu(this); | |
| fLastPrimitiveType = meshes[i].primitiveType(); | |
| } | |
| #if SWAP_PER_DRAW | |
| glFlush(); | |
| #if defined(SK_BUILD_FOR_MAC) | |
| aglSwapBuffers(aglGetCurrentContext()); | |
| int set_a_break_pt_here = 9; | |
| aglSwapBuffers(aglGetCurrentContext()); | |
| #elif defined(SK_BUILD_FOR_WIN) | |
| SwapBuf(); | |
| int set_a_break_pt_here = 9; | |
| SwapBuf(); | |
| #endif | |
| #endif | |
| } | |
| static GrGLenum gr_primitive_type_to_gl_mode(GrPrimitiveType primitiveType) { | |
| switch (primitiveType) { | |
| case GrPrimitiveType::kTriangles: | |
| return GR_GL_TRIANGLES; | |
| case GrPrimitiveType::kTriangleStrip: | |
| return GR_GL_TRIANGLE_STRIP; | |
| case GrPrimitiveType::kPoints: | |
| return GR_GL_POINTS; | |
| case GrPrimitiveType::kLines: | |
| return GR_GL_LINES; | |
| case GrPrimitiveType::kLineStrip: | |
| return GR_GL_LINE_STRIP; | |
| case GrPrimitiveType::kLinesAdjacency: | |
| return GR_GL_LINES_ADJACENCY; | |
| } | |
| SK_ABORT("invalid GrPrimitiveType"); | |
| return GR_GL_TRIANGLES; | |
| } | |
| void GrGLGpu::sendMeshToGpu(GrPrimitiveType primitiveType, const GrBuffer* vertexBuffer, | |
| int vertexCount, int baseVertex) { | |
| const GrGLenum glPrimType = gr_primitive_type_to_gl_mode(primitiveType); | |
| if (this->glCaps().drawArraysBaseVertexIsBroken()) { | |
| this->setupGeometry(nullptr, vertexBuffer, baseVertex, nullptr, 0, GrPrimitiveRestart::kNo); | |
| GL_CALL(DrawArrays(glPrimType, 0, vertexCount)); | |
| } else { | |
| this->setupGeometry(nullptr, vertexBuffer, 0, nullptr, 0, GrPrimitiveRestart::kNo); | |
| GL_CALL(DrawArrays(glPrimType, baseVertex, vertexCount)); | |
| } | |
| if (this->glCaps().requiresFlushBetweenNonAndInstancedDraws()) { | |
| fRequiresFlushBeforeNextInstancedDraw = true; | |
| } | |
| fStats.incNumDraws(); | |
| } | |
| void GrGLGpu::sendIndexedMeshToGpu(GrPrimitiveType primitiveType, const GrBuffer* indexBuffer, | |
| int indexCount, int baseIndex, uint16_t minIndexValue, | |
| uint16_t maxIndexValue, const GrBuffer* vertexBuffer, | |
| int baseVertex, GrPrimitiveRestart enablePrimitiveRestart) { | |
| const GrGLenum glPrimType = gr_primitive_type_to_gl_mode(primitiveType); | |
| GrGLvoid* const indices = reinterpret_cast<void*>(indexBuffer->baseOffset() + | |
| sizeof(uint16_t) * baseIndex); | |
| this->setupGeometry(indexBuffer, vertexBuffer, baseVertex, nullptr, 0, enablePrimitiveRestart); | |
| if (this->glCaps().drawRangeElementsSupport()) { | |
| GL_CALL(DrawRangeElements(glPrimType, minIndexValue, maxIndexValue, indexCount, | |
| GR_GL_UNSIGNED_SHORT, indices)); | |
| } else { | |
| GL_CALL(DrawElements(glPrimType, indexCount, GR_GL_UNSIGNED_SHORT, indices)); | |
| } | |
| if (this->glCaps().requiresFlushBetweenNonAndInstancedDraws()) { | |
| fRequiresFlushBeforeNextInstancedDraw = true; | |
| } | |
| fStats.incNumDraws(); | |
| } | |
| void GrGLGpu::sendInstancedMeshToGpu(GrPrimitiveType primitiveType, const GrBuffer* vertexBuffer, | |
| int vertexCount, int baseVertex, | |
| const GrBuffer* instanceBuffer, int instanceCount, | |
| int baseInstance) { | |
| if (fRequiresFlushBeforeNextInstancedDraw) { | |
| SkASSERT(this->glCaps().requiresFlushBetweenNonAndInstancedDraws()); | |
| GL_CALL(Flush()); | |
| fRequiresFlushBeforeNextInstancedDraw = false; | |
| } | |
| GrGLenum glPrimType = gr_primitive_type_to_gl_mode(primitiveType); | |
| int maxInstances = this->glCaps().maxInstancesPerDrawArraysWithoutCrashing(instanceCount); | |
| for (int i = 0; i < instanceCount; i += maxInstances) { | |
| this->setupGeometry(nullptr, vertexBuffer, 0, instanceBuffer, baseInstance + i, | |
| GrPrimitiveRestart::kNo); | |
| GL_CALL(DrawArraysInstanced(glPrimType, baseVertex, vertexCount, | |
| SkTMin(instanceCount - i, maxInstances))); | |
| fStats.incNumDraws(); | |
| } | |
| } | |
| void GrGLGpu::sendIndexedInstancedMeshToGpu(GrPrimitiveType primitiveType, | |
| const GrBuffer* indexBuffer, int indexCount, | |
| int baseIndex, const GrBuffer* vertexBuffer, | |
| int baseVertex, const GrBuffer* instanceBuffer, | |
| int instanceCount, int baseInstance, | |
| GrPrimitiveRestart enablePrimitiveRestart) { | |
| if (fRequiresFlushBeforeNextInstancedDraw) { | |
| SkASSERT(this->glCaps().requiresFlushBetweenNonAndInstancedDraws()); | |
| GL_CALL(Flush()); | |
| fRequiresFlushBeforeNextInstancedDraw = false; | |
| } | |
| const GrGLenum glPrimType = gr_primitive_type_to_gl_mode(primitiveType); | |
| GrGLvoid* indices = reinterpret_cast<void*>(indexBuffer->baseOffset() + | |
| sizeof(uint16_t) * baseIndex); | |
| this->setupGeometry(indexBuffer, vertexBuffer, baseVertex, instanceBuffer, baseInstance, | |
| enablePrimitiveRestart); | |
| GL_CALL(DrawElementsInstanced(glPrimType, indexCount, GR_GL_UNSIGNED_SHORT, indices, | |
| instanceCount)); | |
| fStats.incNumDraws(); | |
| } | |
| void GrGLGpu::onResolveRenderTarget(GrRenderTarget* target) { | |
| GrGLRenderTarget* rt = static_cast<GrGLRenderTarget*>(target); | |
| if (rt->needsResolve()) { | |
| // Some extensions automatically resolves the texture when it is read. | |
| if (this->glCaps().usesMSAARenderBuffers()) { | |
| SkASSERT(rt->textureFBOID() != rt->renderFBOID()); | |
| SkASSERT(rt->textureFBOID() != 0 && rt->renderFBOID() != 0); | |
| this->bindFramebuffer(GR_GL_READ_FRAMEBUFFER, rt->renderFBOID()); | |
| this->bindFramebuffer(GR_GL_DRAW_FRAMEBUFFER, rt->textureFBOID()); | |
| // make sure we go through flushRenderTarget() since we've modified | |
| // the bound DRAW FBO ID. | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| const GrGLIRect& vp = rt->getViewport(); | |
| const SkIRect dirtyRect = rt->getResolveRect(); | |
| // The dirty rect tracked on the RT is always stored in the native coordinates of the | |
| // surface. Choose kTopLeft so no adjustments are made | |
| static constexpr auto kDirtyRectOrigin = kTopLeft_GrSurfaceOrigin; | |
| if (GrGLCaps::kES_Apple_MSFBOType == this->glCaps().msFBOType()) { | |
| // Apple's extension uses the scissor as the blit bounds. | |
| GrScissorState scissorState; | |
| scissorState.set(dirtyRect); | |
| this->flushScissor(scissorState, vp, kDirtyRectOrigin); | |
| this->disableWindowRectangles(); | |
| GL_CALL(ResolveMultisampleFramebuffer()); | |
| } else { | |
| int l, b, r, t; | |
| if (GrGLCaps::kResolveMustBeFull_BlitFrambufferFlag & | |
| this->glCaps().blitFramebufferSupportFlags()) { | |
| l = 0; | |
| b = 0; | |
| r = target->width(); | |
| t = target->height(); | |
| } else { | |
| GrGLIRect rect; | |
| rect.setRelativeTo(vp, dirtyRect, kDirtyRectOrigin); | |
| l = rect.fLeft; | |
| b = rect.fBottom; | |
| r = rect.fLeft + rect.fWidth; | |
| t = rect.fBottom + rect.fHeight; | |
| } | |
| // BlitFrameBuffer respects the scissor, so disable it. | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| GL_CALL(BlitFramebuffer(l, b, r, t, l, b, r, t, | |
| GR_GL_COLOR_BUFFER_BIT, GR_GL_NEAREST)); | |
| } | |
| } | |
| rt->flagAsResolved(); | |
| } | |
| } | |
| namespace { | |
| GrGLenum gr_to_gl_stencil_op(GrStencilOp op) { | |
| static const GrGLenum gTable[kGrStencilOpCount] = { | |
| GR_GL_KEEP, // kKeep | |
| GR_GL_ZERO, // kZero | |
| GR_GL_REPLACE, // kReplace | |
| GR_GL_INVERT, // kInvert | |
| GR_GL_INCR_WRAP, // kIncWrap | |
| GR_GL_DECR_WRAP, // kDecWrap | |
| GR_GL_INCR, // kIncClamp | |
| GR_GL_DECR, // kDecClamp | |
| }; | |
| GR_STATIC_ASSERT(0 == (int)GrStencilOp::kKeep); | |
| GR_STATIC_ASSERT(1 == (int)GrStencilOp::kZero); | |
| GR_STATIC_ASSERT(2 == (int)GrStencilOp::kReplace); | |
| GR_STATIC_ASSERT(3 == (int)GrStencilOp::kInvert); | |
| GR_STATIC_ASSERT(4 == (int)GrStencilOp::kIncWrap); | |
| GR_STATIC_ASSERT(5 == (int)GrStencilOp::kDecWrap); | |
| GR_STATIC_ASSERT(6 == (int)GrStencilOp::kIncClamp); | |
| GR_STATIC_ASSERT(7 == (int)GrStencilOp::kDecClamp); | |
| SkASSERT(op < (GrStencilOp)kGrStencilOpCount); | |
| return gTable[(int)op]; | |
| } | |
| void set_gl_stencil(const GrGLInterface* gl, | |
| const GrStencilSettings::Face& face, | |
| GrGLenum glFace) { | |
| GrGLenum glFunc = GrToGLStencilFunc(face.fTest); | |
| GrGLenum glFailOp = gr_to_gl_stencil_op(face.fFailOp); | |
| GrGLenum glPassOp = gr_to_gl_stencil_op(face.fPassOp); | |
| GrGLint ref = face.fRef; | |
| GrGLint mask = face.fTestMask; | |
| GrGLint writeMask = face.fWriteMask; | |
| if (GR_GL_FRONT_AND_BACK == glFace) { | |
| // we call the combined func just in case separate stencil is not | |
| // supported. | |
| GR_GL_CALL(gl, StencilFunc(glFunc, ref, mask)); | |
| GR_GL_CALL(gl, StencilMask(writeMask)); | |
| GR_GL_CALL(gl, StencilOp(glFailOp, GR_GL_KEEP, glPassOp)); | |
| } else { | |
| GR_GL_CALL(gl, StencilFuncSeparate(glFace, glFunc, ref, mask)); | |
| GR_GL_CALL(gl, StencilMaskSeparate(glFace, writeMask)); | |
| GR_GL_CALL(gl, StencilOpSeparate(glFace, glFailOp, GR_GL_KEEP, glPassOp)); | |
| } | |
| } | |
| } | |
| void GrGLGpu::flushStencil(const GrStencilSettings& stencilSettings) { | |
| if (stencilSettings.isDisabled()) { | |
| this->disableStencil(); | |
| } else if (fHWStencilSettings != stencilSettings) { | |
| if (kYes_TriState != fHWStencilTestEnabled) { | |
| GL_CALL(Enable(GR_GL_STENCIL_TEST)); | |
| fHWStencilTestEnabled = kYes_TriState; | |
| } | |
| if (stencilSettings.isTwoSided()) { | |
| set_gl_stencil(this->glInterface(), | |
| stencilSettings.front(), | |
| GR_GL_FRONT); | |
| set_gl_stencil(this->glInterface(), | |
| stencilSettings.back(), | |
| GR_GL_BACK); | |
| } else { | |
| set_gl_stencil(this->glInterface(), | |
| stencilSettings.front(), | |
| GR_GL_FRONT_AND_BACK); | |
| } | |
| fHWStencilSettings = stencilSettings; | |
| } | |
| } | |
| void GrGLGpu::disableStencil() { | |
| if (kNo_TriState != fHWStencilTestEnabled) { | |
| GL_CALL(Disable(GR_GL_STENCIL_TEST)); | |
| fHWStencilTestEnabled = kNo_TriState; | |
| fHWStencilSettings.invalidate(); | |
| } | |
| } | |
| void GrGLGpu::flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled) { | |
| // rt is only optional if useHWAA is false. | |
| SkASSERT(rt || !useHWAA); | |
| SkASSERT(!useHWAA || rt->isStencilBufferMultisampled()); | |
| if (this->caps()->multisampleDisableSupport()) { | |
| if (useHWAA) { | |
| if (kYes_TriState != fMSAAEnabled) { | |
| GL_CALL(Enable(GR_GL_MULTISAMPLE)); | |
| fMSAAEnabled = kYes_TriState; | |
| } | |
| } else { | |
| if (kNo_TriState != fMSAAEnabled) { | |
| GL_CALL(Disable(GR_GL_MULTISAMPLE)); | |
| fMSAAEnabled = kNo_TriState; | |
| } | |
| } | |
| } | |
| if (0 != this->caps()->maxRasterSamples()) { | |
| if (useHWAA && GrFSAAType::kMixedSamples == rt->fsaaType() && !stencilEnabled) { | |
| // Since stencil is disabled and we want more samples than are in the color buffer, we | |
| // need to tell the rasterizer explicitly how many to run. | |
| if (kYes_TriState != fHWRasterMultisampleEnabled) { | |
| GL_CALL(Enable(GR_GL_RASTER_MULTISAMPLE)); | |
| fHWRasterMultisampleEnabled = kYes_TriState; | |
| } | |
| int numStencilSamples = rt->numStencilSamples(); | |
| // convert to GL's understanding of sample counts where 0 means nonMSAA. | |
| numStencilSamples = 1 == numStencilSamples ? 0 : numStencilSamples; | |
| if (numStencilSamples != fHWNumRasterSamples) { | |
| SkASSERT(numStencilSamples <= this->caps()->maxRasterSamples()); | |
| GL_CALL(RasterSamples(numStencilSamples, GR_GL_TRUE)); | |
| fHWNumRasterSamples = numStencilSamples; | |
| } | |
| } else { | |
| if (kNo_TriState != fHWRasterMultisampleEnabled) { | |
| GL_CALL(Disable(GR_GL_RASTER_MULTISAMPLE)); | |
| fHWRasterMultisampleEnabled = kNo_TriState; | |
| } | |
| } | |
| } else { | |
| SkASSERT(!useHWAA || GrFSAAType::kMixedSamples != rt->fsaaType() || stencilEnabled); | |
| } | |
| } | |
| void GrGLGpu::flushBlend(const GrXferProcessor::BlendInfo& blendInfo, const GrSwizzle& swizzle) { | |
| // Any optimization to disable blending should have already been applied and | |
| // tweaked the equation to "add" or "subtract", and the coeffs to (1, 0). | |
| GrBlendEquation equation = blendInfo.fEquation; | |
| GrBlendCoeff srcCoeff = blendInfo.fSrcBlend; | |
| GrBlendCoeff dstCoeff = blendInfo.fDstBlend; | |
| bool blendOff = (kAdd_GrBlendEquation == equation || kSubtract_GrBlendEquation == equation) && | |
| kOne_GrBlendCoeff == srcCoeff && kZero_GrBlendCoeff == dstCoeff; | |
| if (blendOff) { | |
| if (kNo_TriState != fHWBlendState.fEnabled) { | |
| GL_CALL(Disable(GR_GL_BLEND)); | |
| // Workaround for the ARM KHR_blend_equation_advanced blacklist issue | |
| // https://code.google.com/p/skia/issues/detail?id=3943 | |
| if (kARM_GrGLVendor == this->ctxInfo().vendor() && | |
| GrBlendEquationIsAdvanced(fHWBlendState.fEquation)) { | |
| SkASSERT(this->caps()->advancedBlendEquationSupport()); | |
| // Set to any basic blending equation. | |
| GrBlendEquation blend_equation = kAdd_GrBlendEquation; | |
| GL_CALL(BlendEquation(gXfermodeEquation2Blend[blend_equation])); | |
| fHWBlendState.fEquation = blend_equation; | |
| } | |
| fHWBlendState.fEnabled = kNo_TriState; | |
| } | |
| return; | |
| } | |
| if (kYes_TriState != fHWBlendState.fEnabled) { | |
| GL_CALL(Enable(GR_GL_BLEND)); | |
| fHWBlendState.fEnabled = kYes_TriState; | |
| } | |
| if (fHWBlendState.fEquation != equation) { | |
| GL_CALL(BlendEquation(gXfermodeEquation2Blend[equation])); | |
| fHWBlendState.fEquation = equation; | |
| } | |
| if (GrBlendEquationIsAdvanced(equation)) { | |
| SkASSERT(this->caps()->advancedBlendEquationSupport()); | |
| // Advanced equations have no other blend state. | |
| return; | |
| } | |
| if (fHWBlendState.fSrcCoeff != srcCoeff || fHWBlendState.fDstCoeff != dstCoeff) { | |
| GL_CALL(BlendFunc(gXfermodeCoeff2Blend[srcCoeff], | |
| gXfermodeCoeff2Blend[dstCoeff])); | |
| fHWBlendState.fSrcCoeff = srcCoeff; | |
| fHWBlendState.fDstCoeff = dstCoeff; | |
| } | |
| if ((BlendCoeffReferencesConstant(srcCoeff) || BlendCoeffReferencesConstant(dstCoeff))) { | |
| GrColor blendConst = blendInfo.fBlendConstant; | |
| blendConst = swizzle.applyTo(blendConst); | |
| if (!fHWBlendState.fConstColorValid || fHWBlendState.fConstColor != blendConst) { | |
| GrGLfloat c[4]; | |
| GrColorToRGBAFloat(blendConst, c); | |
| GL_CALL(BlendColor(c[0], c[1], c[2], c[3])); | |
| fHWBlendState.fConstColor = blendConst; | |
| fHWBlendState.fConstColorValid = true; | |
| } | |
| } | |
| } | |
| static inline GrGLenum wrap_mode_to_gl_wrap(GrSamplerState::WrapMode wrapMode) { | |
| switch (wrapMode) { | |
| case GrSamplerState::WrapMode::kClamp: | |
| return GR_GL_CLAMP_TO_EDGE; | |
| case GrSamplerState::WrapMode::kRepeat: | |
| return GR_GL_REPEAT; | |
| case GrSamplerState::WrapMode::kMirrorRepeat: | |
| return GR_GL_MIRRORED_REPEAT; | |
| }; | |
| SK_ABORT("Unknown wrap mode"); | |
| return 0; | |
| } | |
| static GrGLenum get_component_enum_from_char(char component) { | |
| switch (component) { | |
| case 'r': | |
| return GR_GL_RED; | |
| case 'g': | |
| return GR_GL_GREEN; | |
| case 'b': | |
| return GR_GL_BLUE; | |
| case 'a': | |
| return GR_GL_ALPHA; | |
| default: | |
| SK_ABORT("Unsupported component"); | |
| return 0; | |
| } | |
| } | |
| /** If texture swizzling is available using tex parameters then it is preferred over mangling | |
| the generated shader code. This potentially allows greater reuse of cached shaders. */ | |
| static void get_tex_param_swizzle(GrPixelConfig config, | |
| const GrGLCaps& caps, | |
| GrGLenum* glSwizzle) { | |
| const GrSwizzle& swizzle = caps.configSwizzle(config); | |
| for (int i = 0; i < 4; ++i) { | |
| glSwizzle[i] = get_component_enum_from_char(swizzle.c_str()[i]); | |
| } | |
| } | |
| static GrGLenum filter_to_gl_mag_filter(GrSamplerState::Filter filter) { | |
| switch (filter) { | |
| case GrSamplerState::Filter::kNearest: | |
| return GR_GL_NEAREST; | |
| case GrSamplerState::Filter::kBilerp: | |
| return GR_GL_LINEAR; | |
| case GrSamplerState::Filter::kMipMap: | |
| return GR_GL_LINEAR; | |
| } | |
| SK_ABORT("Unknown filter"); | |
| return 0; | |
| } | |
| static GrGLenum filter_to_gl_min_filter(GrSamplerState::Filter filter) { | |
| switch (filter) { | |
| case GrSamplerState::Filter::kNearest: | |
| return GR_GL_NEAREST; | |
| case GrSamplerState::Filter::kBilerp: | |
| return GR_GL_LINEAR; | |
| case GrSamplerState::Filter::kMipMap: | |
| return GR_GL_LINEAR_MIPMAP_LINEAR; | |
| } | |
| SK_ABORT("Unknown filter"); | |
| return 0; | |
| } | |
| void GrGLGpu::bindTexture(int unitIdx, const GrSamplerState& samplerState, GrGLTexture* texture) { | |
| SkASSERT(texture); | |
| #ifdef SK_DEBUG | |
| if (!this->caps()->npotTextureTileSupport()) { | |
| if (samplerState.isRepeated()) { | |
| const int w = texture->width(); | |
| const int h = texture->height(); | |
| SkASSERT(SkIsPow2(w) && SkIsPow2(h)); | |
| } | |
| } | |
| #endif | |
| // If we created a rt/tex and rendered to it without using a texture and now we're texturing | |
| // from the rt it will still be the last bound texture, but it needs resolving. So keep this | |
| // out of the "last != next" check. | |
| GrGLRenderTarget* texRT = static_cast<GrGLRenderTarget*>(texture->asRenderTarget()); | |
| if (texRT) { | |
| this->onResolveRenderTarget(texRT); | |
| } | |
| GrGpuResource::UniqueID textureID = texture->uniqueID(); | |
| GrGLenum target = texture->target(); | |
| if (fHWBoundTextureUniqueIDs[unitIdx] != textureID) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(BindTexture(target, texture->textureID())); | |
| fHWBoundTextureUniqueIDs[unitIdx] = textureID; | |
| } | |
| ResetTimestamp timestamp; | |
| const GrGLTexture::TexParams& oldTexParams = texture->getCachedTexParams(×tamp); | |
| bool setAll = timestamp < this->getResetTimestamp(); | |
| GrGLTexture::TexParams newTexParams; | |
| GrSamplerState::Filter filterMode = samplerState.filter(); | |
| if (GrSamplerState::Filter::kMipMap == filterMode) { | |
| if (!this->caps()->mipMapSupport() || | |
| texture->texturePriv().mipMapped() == GrMipMapped::kNo) { | |
| filterMode = GrSamplerState::Filter::kBilerp; | |
| } | |
| } | |
| newTexParams.fMinFilter = filter_to_gl_min_filter(filterMode); | |
| newTexParams.fMagFilter = filter_to_gl_mag_filter(filterMode); | |
| #ifdef SK_DEBUG | |
| // We were supposed to ensure MipMaps were up-to-date before getting here. | |
| if (GrSamplerState::Filter::kMipMap == filterMode) { | |
| SkASSERT(!texture->texturePriv().mipMapsAreDirty()); | |
| } | |
| #endif | |
| newTexParams.fMaxMipMapLevel = texture->texturePriv().maxMipMapLevel(); | |
| newTexParams.fWrapS = wrap_mode_to_gl_wrap(samplerState.wrapModeX()); | |
| newTexParams.fWrapT = wrap_mode_to_gl_wrap(samplerState.wrapModeY()); | |
| get_tex_param_swizzle(texture->config(), this->glCaps(), newTexParams.fSwizzleRGBA); | |
| if (setAll || newTexParams.fMagFilter != oldTexParams.fMagFilter) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_MAG_FILTER, newTexParams.fMagFilter)); | |
| } | |
| if (setAll || newTexParams.fMinFilter != oldTexParams.fMinFilter) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_MIN_FILTER, newTexParams.fMinFilter)); | |
| } | |
| if (setAll || newTexParams.fMaxMipMapLevel != oldTexParams.fMaxMipMapLevel) { | |
| // These are not supported in ES2 contexts | |
| if (this->glCaps().mipMapLevelAndLodControlSupport()) { | |
| if (newTexParams.fMaxMipMapLevel != 0) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_MIN_LOD, 0)); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_BASE_LEVEL, 0)); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_MAX_LOD, | |
| newTexParams.fMaxMipMapLevel)); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_MAX_LEVEL, | |
| newTexParams.fMaxMipMapLevel)); | |
| } | |
| } | |
| } | |
| if (setAll || newTexParams.fWrapS != oldTexParams.fWrapS) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_WRAP_S, newTexParams.fWrapS)); | |
| } | |
| if (setAll || newTexParams.fWrapT != oldTexParams.fWrapT) { | |
| this->setTextureUnit(unitIdx); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_WRAP_T, newTexParams.fWrapT)); | |
| } | |
| if (this->glCaps().textureSwizzleSupport() && | |
| (setAll || memcmp(newTexParams.fSwizzleRGBA, | |
| oldTexParams.fSwizzleRGBA, | |
| sizeof(newTexParams.fSwizzleRGBA)))) { | |
| this->setTextureSwizzle(unitIdx, target, newTexParams.fSwizzleRGBA); | |
| } | |
| texture->setCachedTexParams(newTexParams, this->getResetTimestamp()); | |
| } | |
| void GrGLGpu::setTextureSwizzle(int unitIdx, GrGLenum target, const GrGLenum swizzle[]) { | |
| this->setTextureUnit(unitIdx); | |
| if (this->glStandard() == kGLES_GrGLStandard) { | |
| // ES3 added swizzle support but not GL_TEXTURE_SWIZZLE_RGBA. | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_SWIZZLE_R, swizzle[0])); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_SWIZZLE_G, swizzle[1])); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_SWIZZLE_B, swizzle[2])); | |
| GL_CALL(TexParameteri(target, GR_GL_TEXTURE_SWIZZLE_A, swizzle[3])); | |
| } else { | |
| GR_STATIC_ASSERT(sizeof(swizzle[0]) == sizeof(GrGLint)); | |
| GL_CALL(TexParameteriv(target, GR_GL_TEXTURE_SWIZZLE_RGBA, | |
| reinterpret_cast<const GrGLint*>(swizzle))); | |
| } | |
| } | |
| void GrGLGpu::flushColorWrite(bool writeColor) { | |
| if (!writeColor) { | |
| if (kNo_TriState != fHWWriteToColor) { | |
| GL_CALL(ColorMask(GR_GL_FALSE, GR_GL_FALSE, | |
| GR_GL_FALSE, GR_GL_FALSE)); | |
| fHWWriteToColor = kNo_TriState; | |
| } | |
| } else { | |
| if (kYes_TriState != fHWWriteToColor) { | |
| GL_CALL(ColorMask(GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE, GR_GL_TRUE)); | |
| fHWWriteToColor = kYes_TriState; | |
| } | |
| } | |
| } | |
| void GrGLGpu::setTextureUnit(int unit) { | |
| SkASSERT(unit >= 0 && unit < fHWBoundTextureUniqueIDs.count()); | |
| if (unit != fHWActiveTextureUnitIdx) { | |
| GL_CALL(ActiveTexture(GR_GL_TEXTURE0 + unit)); | |
| fHWActiveTextureUnitIdx = unit; | |
| } | |
| } | |
| void GrGLGpu::setScratchTextureUnit() { | |
| // Bind the last texture unit since it is the least likely to be used by GrGLProgram. | |
| int lastUnitIdx = fHWBoundTextureUniqueIDs.count() - 1; | |
| if (lastUnitIdx != fHWActiveTextureUnitIdx) { | |
| GL_CALL(ActiveTexture(GR_GL_TEXTURE0 + lastUnitIdx)); | |
| fHWActiveTextureUnitIdx = lastUnitIdx; | |
| } | |
| // clear out the this field so that if a program does use this unit it will rebind the correct | |
| // texture. | |
| fHWBoundTextureUniqueIDs[lastUnitIdx].makeInvalid(); | |
| } | |
| // Determines whether glBlitFramebuffer could be used between src and dst by onCopySurface. | |
| static inline bool can_blit_framebuffer_for_copy_surface( | |
| const GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| const GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint, | |
| const GrGLCaps& caps) { | |
| int dstSampleCnt = 0; | |
| int srcSampleCnt = 0; | |
| if (const GrRenderTarget* rt = dst->asRenderTarget()) { | |
| dstSampleCnt = rt->numColorSamples(); | |
| } | |
| if (const GrRenderTarget* rt = src->asRenderTarget()) { | |
| srcSampleCnt = rt->numColorSamples(); | |
| } | |
| SkASSERT((dstSampleCnt > 0) == SkToBool(dst->asRenderTarget())); | |
| SkASSERT((srcSampleCnt > 0) == SkToBool(src->asRenderTarget())); | |
| const GrGLTexture* dstTex = static_cast<const GrGLTexture*>(dst->asTexture()); | |
| const GrGLTexture* srcTex = static_cast<const GrGLTexture*>(src->asTexture()); | |
| bool dstIsGLTexture2D = dstTex ? GR_GL_TEXTURE_2D == dstTex->target() : false; | |
| bool srcIsGLTexture2D = srcTex ? GR_GL_TEXTURE_2D == srcTex->target() : false; | |
| return caps.canCopyAsBlit(dst->config(), dstSampleCnt, SkToBool(dstTex), dstIsGLTexture2D, | |
| dstOrigin, src->config(), srcSampleCnt, SkToBool(srcTex), | |
| srcIsGLTexture2D, srcOrigin, src->getBoundsRect(), srcRect, dstPoint); | |
| } | |
| static bool rt_has_msaa_render_buffer(const GrGLRenderTarget* rt, const GrGLCaps& glCaps) { | |
| // A RT has a separate MSAA renderbuffer if: | |
| // 1) It's multisampled | |
| // 2) We're using an extension with separate MSAA renderbuffers | |
| // 3) It's not FBO 0, which is special and always auto-resolves | |
| return rt->numColorSamples() > 1 && glCaps.usesMSAARenderBuffers() && rt->renderFBOID() != 0; | |
| } | |
| static inline bool can_copy_texsubimage(const GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| const GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const GrGLCaps& caps) { | |
| const GrGLRenderTarget* dstRT = static_cast<const GrGLRenderTarget*>(dst->asRenderTarget()); | |
| const GrGLRenderTarget* srcRT = static_cast<const GrGLRenderTarget*>(src->asRenderTarget()); | |
| const GrGLTexture* dstTex = static_cast<const GrGLTexture*>(dst->asTexture()); | |
| const GrGLTexture* srcTex = static_cast<const GrGLTexture*>(src->asTexture()); | |
| bool dstHasMSAARenderBuffer = dstRT ? rt_has_msaa_render_buffer(dstRT, caps) : false; | |
| bool srcHasMSAARenderBuffer = srcRT ? rt_has_msaa_render_buffer(srcRT, caps) : false; | |
| bool dstIsGLTexture2D = dstTex ? GR_GL_TEXTURE_2D == dstTex->target() : false; | |
| bool srcIsGLTexture2D = srcTex ? GR_GL_TEXTURE_2D == srcTex->target() : false; | |
| return caps.canCopyTexSubImage(dst->config(), dstHasMSAARenderBuffer, SkToBool(dstTex), | |
| dstIsGLTexture2D, dstOrigin, src->config(), | |
| srcHasMSAARenderBuffer, SkToBool(srcTex), srcIsGLTexture2D, | |
| srcOrigin); | |
| } | |
| // If a temporary FBO was created, its non-zero ID is returned. The viewport that the copy rect is | |
| // relative to is output. | |
| void GrGLGpu::bindSurfaceFBOForPixelOps(GrSurface* surface, GrGLenum fboTarget, GrGLIRect* viewport, | |
| TempFBOTarget tempFBOTarget) { | |
| GrGLRenderTarget* rt = static_cast<GrGLRenderTarget*>(surface->asRenderTarget()); | |
| if (!rt) { | |
| SkASSERT(surface->asTexture()); | |
| GrGLTexture* texture = static_cast<GrGLTexture*>(surface->asTexture()); | |
| GrGLuint texID = texture->textureID(); | |
| GrGLenum target = texture->target(); | |
| GrGLuint* tempFBOID; | |
| tempFBOID = kSrc_TempFBOTarget == tempFBOTarget ? &fTempSrcFBOID : &fTempDstFBOID; | |
| if (0 == *tempFBOID) { | |
| GR_GL_CALL(this->glInterface(), GenFramebuffers(1, tempFBOID)); | |
| } | |
| this->bindFramebuffer(fboTarget, *tempFBOID); | |
| GR_GL_CALL(this->glInterface(), FramebufferTexture2D(fboTarget, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| target, | |
| texID, | |
| 0)); | |
| texture->baseLevelWasBoundToFBO(); | |
| viewport->fLeft = 0; | |
| viewport->fBottom = 0; | |
| viewport->fWidth = surface->width(); | |
| viewport->fHeight = surface->height(); | |
| } else { | |
| this->bindFramebuffer(fboTarget, rt->renderFBOID()); | |
| *viewport = rt->getViewport(); | |
| } | |
| } | |
| void GrGLGpu::unbindTextureFBOForPixelOps(GrGLenum fboTarget, GrSurface* surface) { | |
| // bindSurfaceFBOForPixelOps temporarily binds textures that are not render targets to | |
| if (!surface->asRenderTarget()) { | |
| SkASSERT(surface->asTexture()); | |
| GrGLenum textureTarget = static_cast<GrGLTexture*>(surface->asTexture())->target(); | |
| GR_GL_CALL(this->glInterface(), FramebufferTexture2D(fboTarget, | |
| GR_GL_COLOR_ATTACHMENT0, | |
| textureTarget, | |
| 0, | |
| 0)); | |
| } | |
| } | |
| void GrGLGpu::onFBOChanged() { | |
| if (this->caps()->workarounds().flush_on_framebuffer_change || | |
| this->caps()->workarounds().restore_scissor_on_fbo_change) { | |
| GL_CALL(Flush()); | |
| } | |
| } | |
| void GrGLGpu::bindFramebuffer(GrGLenum target, GrGLuint fboid) { | |
| fStats.incRenderTargetBinds(); | |
| GL_CALL(BindFramebuffer(target, fboid)); | |
| if (target == GR_GL_FRAMEBUFFER || target == GR_GL_DRAW_FRAMEBUFFER) { | |
| fBoundDrawFramebuffer = fboid; | |
| } | |
| if (this->caps()->workarounds().restore_scissor_on_fbo_change) { | |
| // The driver forgets the correct scissor when modifying the FBO binding. | |
| if (!fHWScissorSettings.fRect.isInvalid()) { | |
| fHWScissorSettings.fRect.pushToGLScissor(this->glInterface()); | |
| } | |
| } | |
| this->onFBOChanged(); | |
| } | |
| void GrGLGpu::deleteFramebuffer(GrGLuint fboid) { | |
| if (fboid == fBoundDrawFramebuffer && | |
| this->caps()->workarounds().unbind_attachments_on_bound_render_fbo_delete) { | |
| // This workaround only applies to deleting currently bound framebuffers | |
| // on Adreno 420. Because this is a somewhat rare case, instead of | |
| // tracking all the attachments of every framebuffer instead just always | |
| // unbind all attachments. | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, | |
| GR_GL_RENDERBUFFER, 0)); | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_STENCIL_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, 0)); | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_DEPTH_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, 0)); | |
| } | |
| GL_CALL(DeleteFramebuffers(1, &fboid)); | |
| // Deleting the currently bound framebuffer rebinds to 0. | |
| if (fboid == fBoundDrawFramebuffer) { | |
| this->onFBOChanged(); | |
| } | |
| } | |
| bool GrGLGpu::onCopySurface(GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const SkIRect& srcRect, const SkIPoint& dstPoint, | |
| bool canDiscardOutsideDstRect) { | |
| // None of our copy methods can handle a swizzle. TODO: Make copySurfaceAsDraw handle the | |
| // swizzle. | |
| if (this->caps()->shaderCaps()->configOutputSwizzle(src->config()) != | |
| this->caps()->shaderCaps()->configOutputSwizzle(dst->config())) { | |
| return false; | |
| } | |
| // Don't prefer copying as a draw if the dst doesn't already have a FBO object. | |
| // This implicitly handles this->glCaps().useDrawInsteadOfAllRenderTargetWrites(). | |
| bool preferCopy = SkToBool(dst->asRenderTarget()); | |
| if (preferCopy && this->glCaps().canCopyAsDraw(dst->config(), SkToBool(src->asTexture()))) { | |
| if (this->copySurfaceAsDraw(dst, dstOrigin, src, srcOrigin, srcRect, dstPoint)) { | |
| return true; | |
| } | |
| } | |
| if (can_copy_texsubimage(dst, dstOrigin, src, srcOrigin, this->glCaps())) { | |
| this->copySurfaceAsCopyTexSubImage(dst, dstOrigin, src, srcOrigin, srcRect, dstPoint); | |
| return true; | |
| } | |
| if (can_blit_framebuffer_for_copy_surface(dst, dstOrigin, src, srcOrigin, | |
| srcRect, dstPoint, this->glCaps())) { | |
| return this->copySurfaceAsBlitFramebuffer(dst, dstOrigin, src, srcOrigin, | |
| srcRect, dstPoint); | |
| } | |
| if (!preferCopy && this->glCaps().canCopyAsDraw(dst->config(), SkToBool(src->asTexture()))) { | |
| if (this->copySurfaceAsDraw(dst, dstOrigin, src, srcOrigin, srcRect, dstPoint)) { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| bool GrGLGpu::createCopyProgram(GrTexture* srcTex) { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| int progIdx = TextureToCopyProgramIdx(srcTex); | |
| const GrShaderCaps* shaderCaps = this->caps()->shaderCaps(); | |
| GrSLType samplerType = | |
| GrSLCombinedSamplerTypeForTextureType(srcTex->texturePriv().textureType()); | |
| if (!fCopyProgramArrayBuffer) { | |
| static const GrGLfloat vdata[] = { | |
| 0, 0, | |
| 0, 1, | |
| 1, 0, | |
| 1, 1 | |
| }; | |
| fCopyProgramArrayBuffer.reset(GrGLBuffer::Create(this, sizeof(vdata), kVertex_GrBufferType, | |
| kStatic_GrAccessPattern, vdata)); | |
| } | |
| if (!fCopyProgramArrayBuffer) { | |
| return false; | |
| } | |
| SkASSERT(!fCopyPrograms[progIdx].fProgram); | |
| GL_CALL_RET(fCopyPrograms[progIdx].fProgram, CreateProgram()); | |
| if (!fCopyPrograms[progIdx].fProgram) { | |
| return false; | |
| } | |
| const char* version = shaderCaps->versionDeclString(); | |
| GrShaderVar aVertex("a_vertex", kHalf2_GrSLType, GrShaderVar::kIn_TypeModifier); | |
| GrShaderVar uTexCoordXform("u_texCoordXform", kHalf4_GrSLType, | |
| GrShaderVar::kUniform_TypeModifier); | |
| GrShaderVar uPosXform("u_posXform", kHalf4_GrSLType, GrShaderVar::kUniform_TypeModifier); | |
| GrShaderVar uTexture("u_texture", samplerType, GrShaderVar::kUniform_TypeModifier); | |
| GrShaderVar vTexCoord("v_texCoord", kHalf2_GrSLType, GrShaderVar::kOut_TypeModifier); | |
| GrShaderVar oFragColor("o_FragColor", kHalf4_GrSLType, GrShaderVar::kOut_TypeModifier); | |
| SkString vshaderTxt(version); | |
| if (shaderCaps->noperspectiveInterpolationSupport()) { | |
| if (const char* extension = shaderCaps->noperspectiveInterpolationExtensionString()) { | |
| vshaderTxt.appendf("#extension %s : require\n", extension); | |
| } | |
| vTexCoord.addModifier("noperspective"); | |
| } | |
| aVertex.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| uTexCoordXform.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| uPosXform.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| vTexCoord.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| vshaderTxt.append( | |
| "// Copy Program VS\n" | |
| "void main() {" | |
| " v_texCoord = a_vertex.xy * u_texCoordXform.xy + u_texCoordXform.zw;" | |
| " sk_Position.xy = a_vertex * u_posXform.xy + u_posXform.zw;" | |
| " sk_Position.zw = half2(0, 1);" | |
| "}" | |
| ); | |
| SkString fshaderTxt(version); | |
| if (shaderCaps->noperspectiveInterpolationSupport()) { | |
| if (const char* extension = shaderCaps->noperspectiveInterpolationExtensionString()) { | |
| fshaderTxt.appendf("#extension %s : require\n", extension); | |
| } | |
| } | |
| vTexCoord.setTypeModifier(GrShaderVar::kIn_TypeModifier); | |
| vTexCoord.appendDecl(shaderCaps, &fshaderTxt); | |
| fshaderTxt.append(";"); | |
| uTexture.appendDecl(shaderCaps, &fshaderTxt); | |
| fshaderTxt.append(";"); | |
| fshaderTxt.appendf( | |
| "// Copy Program FS\n" | |
| "void main() {" | |
| " sk_FragColor = texture(u_texture, v_texCoord);" | |
| "}" | |
| ); | |
| const char* str; | |
| GrGLint length; | |
| str = vshaderTxt.c_str(); | |
| length = SkToInt(vshaderTxt.size()); | |
| SkSL::Program::Settings settings; | |
| settings.fCaps = shaderCaps; | |
| SkSL::String glsl; | |
| std::unique_ptr<SkSL::Program> program = GrSkSLtoGLSL(*fGLContext, GR_GL_VERTEX_SHADER, | |
| &str, &length, 1, settings, &glsl); | |
| GrGLuint vshader = GrGLCompileAndAttachShader(*fGLContext, fCopyPrograms[progIdx].fProgram, | |
| GR_GL_VERTEX_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| str = fshaderTxt.c_str(); | |
| length = SkToInt(fshaderTxt.size()); | |
| program = GrSkSLtoGLSL(*fGLContext, GR_GL_FRAGMENT_SHADER, &str, &length, 1, settings, &glsl); | |
| GrGLuint fshader = GrGLCompileAndAttachShader(*fGLContext, fCopyPrograms[progIdx].fProgram, | |
| GR_GL_FRAGMENT_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| GL_CALL(LinkProgram(fCopyPrograms[progIdx].fProgram)); | |
| GL_CALL_RET(fCopyPrograms[progIdx].fTextureUniform, | |
| GetUniformLocation(fCopyPrograms[progIdx].fProgram, "u_texture")); | |
| GL_CALL_RET(fCopyPrograms[progIdx].fPosXformUniform, | |
| GetUniformLocation(fCopyPrograms[progIdx].fProgram, "u_posXform")); | |
| GL_CALL_RET(fCopyPrograms[progIdx].fTexCoordXformUniform, | |
| GetUniformLocation(fCopyPrograms[progIdx].fProgram, "u_texCoordXform")); | |
| GL_CALL(BindAttribLocation(fCopyPrograms[progIdx].fProgram, 0, "a_vertex")); | |
| GL_CALL(DeleteShader(vshader)); | |
| GL_CALL(DeleteShader(fshader)); | |
| return true; | |
| } | |
| bool GrGLGpu::createMipmapProgram(int progIdx) { | |
| const bool oddWidth = SkToBool(progIdx & 0x2); | |
| const bool oddHeight = SkToBool(progIdx & 0x1); | |
| const int numTaps = (oddWidth ? 2 : 1) * (oddHeight ? 2 : 1); | |
| const GrShaderCaps* shaderCaps = this->caps()->shaderCaps(); | |
| SkASSERT(!fMipmapPrograms[progIdx].fProgram); | |
| GL_CALL_RET(fMipmapPrograms[progIdx].fProgram, CreateProgram()); | |
| if (!fMipmapPrograms[progIdx].fProgram) { | |
| return false; | |
| } | |
| const char* version = shaderCaps->versionDeclString(); | |
| GrShaderVar aVertex("a_vertex", kHalf2_GrSLType, GrShaderVar::kIn_TypeModifier); | |
| GrShaderVar uTexCoordXform("u_texCoordXform", kHalf4_GrSLType, | |
| GrShaderVar::kUniform_TypeModifier); | |
| GrShaderVar uTexture("u_texture", kTexture2DSampler_GrSLType, | |
| GrShaderVar::kUniform_TypeModifier); | |
| // We need 1, 2, or 4 texture coordinates (depending on parity of each dimension): | |
| GrShaderVar vTexCoords[] = { | |
| GrShaderVar("v_texCoord0", kHalf2_GrSLType, GrShaderVar::kOut_TypeModifier), | |
| GrShaderVar("v_texCoord1", kHalf2_GrSLType, GrShaderVar::kOut_TypeModifier), | |
| GrShaderVar("v_texCoord2", kHalf2_GrSLType, GrShaderVar::kOut_TypeModifier), | |
| GrShaderVar("v_texCoord3", kHalf2_GrSLType, GrShaderVar::kOut_TypeModifier), | |
| }; | |
| GrShaderVar oFragColor("o_FragColor", kHalf4_GrSLType,GrShaderVar::kOut_TypeModifier); | |
| SkString vshaderTxt(version); | |
| if (shaderCaps->noperspectiveInterpolationSupport()) { | |
| if (const char* extension = shaderCaps->noperspectiveInterpolationExtensionString()) { | |
| vshaderTxt.appendf("#extension %s : require\n", extension); | |
| } | |
| vTexCoords[0].addModifier("noperspective"); | |
| vTexCoords[1].addModifier("noperspective"); | |
| vTexCoords[2].addModifier("noperspective"); | |
| vTexCoords[3].addModifier("noperspective"); | |
| } | |
| aVertex.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| uTexCoordXform.appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| for (int i = 0; i < numTaps; ++i) { | |
| vTexCoords[i].appendDecl(shaderCaps, &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| } | |
| vshaderTxt.append( | |
| "// Mipmap Program VS\n" | |
| "void main() {" | |
| " sk_Position.xy = a_vertex * half2(2, 2) - half2(1, 1);" | |
| " sk_Position.zw = half2(0, 1);" | |
| ); | |
| // Insert texture coordinate computation: | |
| if (oddWidth && oddHeight) { | |
| vshaderTxt.append( | |
| " v_texCoord0 = a_vertex.xy * u_texCoordXform.yw;" | |
| " v_texCoord1 = a_vertex.xy * u_texCoordXform.yw + half2(u_texCoordXform.x, 0);" | |
| " v_texCoord2 = a_vertex.xy * u_texCoordXform.yw + half2(0, u_texCoordXform.z);" | |
| " v_texCoord3 = a_vertex.xy * u_texCoordXform.yw + u_texCoordXform.xz;" | |
| ); | |
| } else if (oddWidth) { | |
| vshaderTxt.append( | |
| " v_texCoord0 = a_vertex.xy * half2(u_texCoordXform.y, 1);" | |
| " v_texCoord1 = a_vertex.xy * half2(u_texCoordXform.y, 1) + half2(u_texCoordXform.x, 0);" | |
| ); | |
| } else if (oddHeight) { | |
| vshaderTxt.append( | |
| " v_texCoord0 = a_vertex.xy * half2(1, u_texCoordXform.w);" | |
| " v_texCoord1 = a_vertex.xy * half2(1, u_texCoordXform.w) + half2(0, u_texCoordXform.z);" | |
| ); | |
| } else { | |
| vshaderTxt.append( | |
| " v_texCoord0 = a_vertex.xy;" | |
| ); | |
| } | |
| vshaderTxt.append("}"); | |
| SkString fshaderTxt(version); | |
| if (shaderCaps->noperspectiveInterpolationSupport()) { | |
| if (const char* extension = shaderCaps->noperspectiveInterpolationExtensionString()) { | |
| fshaderTxt.appendf("#extension %s : require\n", extension); | |
| } | |
| } | |
| for (int i = 0; i < numTaps; ++i) { | |
| vTexCoords[i].setTypeModifier(GrShaderVar::kIn_TypeModifier); | |
| vTexCoords[i].appendDecl(shaderCaps, &fshaderTxt); | |
| fshaderTxt.append(";"); | |
| } | |
| uTexture.appendDecl(shaderCaps, &fshaderTxt); | |
| fshaderTxt.append(";"); | |
| fshaderTxt.append( | |
| "// Mipmap Program FS\n" | |
| "void main() {" | |
| ); | |
| if (oddWidth && oddHeight) { | |
| fshaderTxt.append( | |
| " sk_FragColor = (texture(u_texture, v_texCoord0) + " | |
| " texture(u_texture, v_texCoord1) + " | |
| " texture(u_texture, v_texCoord2) + " | |
| " texture(u_texture, v_texCoord3)) * 0.25;" | |
| ); | |
| } else if (oddWidth || oddHeight) { | |
| fshaderTxt.append( | |
| " sk_FragColor = (texture(u_texture, v_texCoord0) + " | |
| " texture(u_texture, v_texCoord1)) * 0.5;" | |
| ); | |
| } else { | |
| fshaderTxt.append( | |
| " sk_FragColor = texture(u_texture, v_texCoord0);" | |
| ); | |
| } | |
| fshaderTxt.append("}"); | |
| const char* str; | |
| GrGLint length; | |
| str = vshaderTxt.c_str(); | |
| length = SkToInt(vshaderTxt.size()); | |
| SkSL::Program::Settings settings; | |
| settings.fCaps = shaderCaps; | |
| SkSL::String glsl; | |
| std::unique_ptr<SkSL::Program> program = GrSkSLtoGLSL(*fGLContext, GR_GL_VERTEX_SHADER, | |
| &str, &length, 1, settings, &glsl); | |
| GrGLuint vshader = GrGLCompileAndAttachShader(*fGLContext, fMipmapPrograms[progIdx].fProgram, | |
| GR_GL_VERTEX_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| str = fshaderTxt.c_str(); | |
| length = SkToInt(fshaderTxt.size()); | |
| program = GrSkSLtoGLSL(*fGLContext, GR_GL_FRAGMENT_SHADER, &str, &length, 1, settings, &glsl); | |
| GrGLuint fshader = GrGLCompileAndAttachShader(*fGLContext, fMipmapPrograms[progIdx].fProgram, | |
| GR_GL_FRAGMENT_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| GL_CALL(LinkProgram(fMipmapPrograms[progIdx].fProgram)); | |
| GL_CALL_RET(fMipmapPrograms[progIdx].fTextureUniform, | |
| GetUniformLocation(fMipmapPrograms[progIdx].fProgram, "u_texture")); | |
| GL_CALL_RET(fMipmapPrograms[progIdx].fTexCoordXformUniform, | |
| GetUniformLocation(fMipmapPrograms[progIdx].fProgram, "u_texCoordXform")); | |
| GL_CALL(BindAttribLocation(fMipmapPrograms[progIdx].fProgram, 0, "a_vertex")); | |
| GL_CALL(DeleteShader(vshader)); | |
| GL_CALL(DeleteShader(fshader)); | |
| return true; | |
| } | |
| bool GrGLGpu::createStencilClipClearProgram() { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| if (!fStencilClipClearArrayBuffer) { | |
| static const GrGLfloat vdata[] = {-1, -1, 1, -1, -1, 1, 1, 1}; | |
| fStencilClipClearArrayBuffer.reset(GrGLBuffer::Create( | |
| this, sizeof(vdata), kVertex_GrBufferType, kStatic_GrAccessPattern, vdata)); | |
| if (!fStencilClipClearArrayBuffer) { | |
| return false; | |
| } | |
| } | |
| SkASSERT(!fStencilClipClearProgram); | |
| GL_CALL_RET(fStencilClipClearProgram, CreateProgram()); | |
| if (!fStencilClipClearProgram) { | |
| return false; | |
| } | |
| GrShaderVar aVertex("a_vertex", kHalf2_GrSLType, GrShaderVar::kIn_TypeModifier); | |
| const char* version = this->caps()->shaderCaps()->versionDeclString(); | |
| SkString vshaderTxt(version); | |
| aVertex.appendDecl(this->caps()->shaderCaps(), &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| vshaderTxt.append( | |
| "// Stencil Clip Clear Program VS\n" | |
| "void main() {" | |
| " sk_Position = float4(a_vertex.x, a_vertex.y, 0, 1);" | |
| "}"); | |
| SkString fshaderTxt(version); | |
| fshaderTxt.appendf( | |
| "// Stencil Clip Clear Program FS\n" | |
| "void main() {" | |
| " sk_FragColor = half4(0);" | |
| "}"); | |
| const char* str; | |
| GrGLint length; | |
| str = vshaderTxt.c_str(); | |
| length = SkToInt(vshaderTxt.size()); | |
| SkSL::Program::Settings settings; | |
| settings.fCaps = this->caps()->shaderCaps(); | |
| SkSL::String glsl; | |
| std::unique_ptr<SkSL::Program> program = GrSkSLtoGLSL(*fGLContext, GR_GL_VERTEX_SHADER, | |
| &str, &length, 1, settings, &glsl); | |
| GrGLuint vshader = GrGLCompileAndAttachShader(*fGLContext, fStencilClipClearProgram, | |
| GR_GL_VERTEX_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| str = fshaderTxt.c_str(); | |
| length = SkToInt(fshaderTxt.size()); | |
| program = GrSkSLtoGLSL(*fGLContext, GR_GL_FRAGMENT_SHADER, &str, &length, 1, settings, &glsl); | |
| GrGLuint fshader = GrGLCompileAndAttachShader(*fGLContext, fStencilClipClearProgram, | |
| GR_GL_FRAGMENT_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| SkASSERT(program->fInputs.isEmpty()); | |
| GL_CALL(LinkProgram(fStencilClipClearProgram)); | |
| GL_CALL(BindAttribLocation(fStencilClipClearProgram, 0, "a_vertex")); | |
| GL_CALL(DeleteShader(vshader)); | |
| GL_CALL(DeleteShader(fshader)); | |
| return true; | |
| } | |
| void GrGLGpu::clearStencilClipAsDraw(const GrFixedClip& clip, bool insideStencilMask, | |
| GrRenderTarget* rt, GrSurfaceOrigin origin) { | |
| // TODO: This should swizzle the output to match dst's config, though it is a debugging | |
| // visualization. | |
| this->handleDirtyContext(); | |
| if (!fStencilClipClearProgram) { | |
| if (!this->createStencilClipClearProgram()) { | |
| SkDebugf("Failed to create stencil clip clear program.\n"); | |
| return; | |
| } | |
| } | |
| GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(rt->asRenderTarget()); | |
| this->flushRenderTarget(glRT); | |
| this->flushProgram(fStencilClipClearProgram); | |
| fHWVertexArrayState.setVertexArrayID(this, 0); | |
| GrGLAttribArrayState* attribs = fHWVertexArrayState.bindInternalVertexArray(this); | |
| attribs->enableVertexArrays(this, 1); | |
| attribs->set(this, 0, fStencilClipClearArrayBuffer.get(), kHalf2_GrVertexAttribType, | |
| 2 * sizeof(GrGLfloat), 0); | |
| GrXferProcessor::BlendInfo blendInfo; | |
| blendInfo.reset(); | |
| this->flushBlend(blendInfo, GrSwizzle::RGBA()); | |
| this->flushColorWrite(false); | |
| this->flushHWAAState(glRT, false, false); | |
| this->flushScissor(clip.scissorState(), glRT->getViewport(), origin); | |
| this->flushWindowRectangles(clip.windowRectsState(), glRT, origin); | |
| GrStencilAttachment* sb = rt->renderTargetPriv().getStencilAttachment(); | |
| // This should only be called internally when we know we have a stencil buffer. | |
| SkASSERT(sb); | |
| GrStencilSettings settings = GrStencilSettings( | |
| *GrStencilSettings::SetClipBitSettings(insideStencilMask), false, sb->bits()); | |
| this->flushStencil(settings); | |
| GL_CALL(DrawArrays(GR_GL_TRIANGLE_STRIP, 0, 4)); | |
| } | |
| bool GrGLGpu::createClearColorProgram() { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| if (!fClearProgramArrayBuffer) { | |
| static const GrGLfloat vdata[] = {-1, -1, 1, -1, -1, 1, 1, 1}; | |
| fClearProgramArrayBuffer.reset(GrGLBuffer::Create(this, sizeof(vdata), kVertex_GrBufferType, | |
| kStatic_GrAccessPattern, vdata)); | |
| if (!fClearProgramArrayBuffer) { | |
| return false; | |
| } | |
| } | |
| SkASSERT(!fClearColorProgram.fProgram); | |
| GL_CALL_RET(fClearColorProgram.fProgram, CreateProgram()); | |
| if (!fClearColorProgram.fProgram) { | |
| return false; | |
| } | |
| GrShaderVar aVertex("a_vertex", kHalf2_GrSLType, GrShaderVar::kIn_TypeModifier); | |
| const char* version = this->caps()->shaderCaps()->versionDeclString(); | |
| SkString vshaderTxt(version); | |
| aVertex.appendDecl(this->caps()->shaderCaps(), &vshaderTxt); | |
| vshaderTxt.append(";"); | |
| vshaderTxt.append(R"( | |
| // Clear Color Program VS | |
| void main() { | |
| sk_Position = float4(a_vertex.x, a_vertex.y, 0, 1); | |
| })"); | |
| GrShaderVar uColor("u_color", kHalf4_GrSLType, GrShaderVar::kUniform_TypeModifier); | |
| SkString fshaderTxt(version); | |
| uColor.appendDecl(this->caps()->shaderCaps(), &fshaderTxt); | |
| fshaderTxt.append(";"); | |
| fshaderTxt.appendf(R"( | |
| // Clear Color Program FS | |
| void main() { | |
| sk_FragColor = u_color; | |
| })"); | |
| const char* str; | |
| GrGLint length; | |
| str = vshaderTxt.c_str(); | |
| length = SkToInt(vshaderTxt.size()); | |
| SkSL::Program::Settings settings; | |
| settings.fCaps = this->caps()->shaderCaps(); | |
| SkSL::String glsl; | |
| GrSkSLtoGLSL(*fGLContext, GR_GL_VERTEX_SHADER, &str, &length, 1, settings, &glsl); | |
| GrGLuint vshader = GrGLCompileAndAttachShader(*fGLContext, fClearColorProgram.fProgram, | |
| GR_GL_VERTEX_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| str = fshaderTxt.c_str(); | |
| length = SkToInt(fshaderTxt.size()); | |
| GrSkSLtoGLSL(*fGLContext, GR_GL_FRAGMENT_SHADER, &str, &length, 1, settings, &glsl); | |
| GrGLuint fshader = GrGLCompileAndAttachShader(*fGLContext, fClearColorProgram.fProgram, | |
| GR_GL_FRAGMENT_SHADER, glsl.c_str(), glsl.size(), | |
| &fStats, settings); | |
| GL_CALL(LinkProgram(fClearColorProgram.fProgram)); | |
| GL_CALL(BindAttribLocation(fClearColorProgram.fProgram, 0, "a_vertex")); | |
| GL_CALL_RET(fClearColorProgram.fColorUniform, | |
| GetUniformLocation(fClearColorProgram.fProgram, "u_color")); | |
| GL_CALL(DeleteShader(vshader)); | |
| GL_CALL(DeleteShader(fshader)); | |
| return true; | |
| } | |
| void GrGLGpu::clearColorAsDraw(const GrFixedClip& clip, GrGLfloat r, GrGLfloat g, GrGLfloat b, | |
| GrGLfloat a, GrRenderTarget* dst, GrSurfaceOrigin origin) { | |
| if (!fClearColorProgram.fProgram) { | |
| if (!this->createClearColorProgram()) { | |
| SkDebugf("Failed to create clear color program.\n"); | |
| return; | |
| } | |
| } | |
| GrGLIRect dstVP; | |
| this->bindSurfaceFBOForPixelOps(dst, GR_GL_FRAMEBUFFER, &dstVP, kDst_TempFBOTarget); | |
| this->flushViewport(dstVP); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| this->flushProgram(fClearColorProgram.fProgram); | |
| fHWVertexArrayState.setVertexArrayID(this, 0); | |
| GrGLAttribArrayState* attribs = fHWVertexArrayState.bindInternalVertexArray(this); | |
| attribs->enableVertexArrays(this, 1); | |
| attribs->set(this, 0, fClearProgramArrayBuffer.get(), kHalf2_GrVertexAttribType, | |
| 2 * sizeof(GrGLfloat), 0); | |
| GrGLRenderTarget* glrt = static_cast<GrGLRenderTarget*>(dst); | |
| this->flushScissor(clip.scissorState(), glrt->getViewport(), origin); | |
| this->flushWindowRectangles(clip.windowRectsState(), glrt, origin); | |
| GL_CALL(Uniform4f(fClearColorProgram.fColorUniform, r, g, b, a)); | |
| GrXferProcessor::BlendInfo blendInfo; | |
| blendInfo.reset(); | |
| this->flushBlend(blendInfo, GrSwizzle::RGBA()); | |
| this->flushColorWrite(true); | |
| this->flushHWAAState(nullptr, false, false); | |
| this->disableStencil(); | |
| if (this->glCaps().srgbWriteControl()) { | |
| this->flushFramebufferSRGB(true); | |
| } | |
| GL_CALL(DrawArrays(GR_GL_TRIANGLE_STRIP, 0, 4)); | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, dst); | |
| this->didWriteToSurface(dst, origin, clip.scissorEnabled() ? &clip.scissorRect() : nullptr); | |
| } | |
| bool GrGLGpu::copySurfaceAsDraw(GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| GrGLTexture* srcTex = static_cast<GrGLTexture*>(src->asTexture()); | |
| int progIdx = TextureToCopyProgramIdx(srcTex); | |
| if (!this->glCaps().canConfigBeFBOColorAttachment(dst->config())) { | |
| return false; | |
| } | |
| if (!fCopyPrograms[progIdx].fProgram) { | |
| if (!this->createCopyProgram(srcTex)) { | |
| SkDebugf("Failed to create copy program.\n"); | |
| return false; | |
| } | |
| } | |
| int w = srcRect.width(); | |
| int h = srcRect.height(); | |
| this->bindTexture(0, GrSamplerState::ClampNearest(), srcTex); | |
| GrGLIRect dstVP; | |
| this->bindSurfaceFBOForPixelOps(dst, GR_GL_FRAMEBUFFER, &dstVP, kDst_TempFBOTarget); | |
| this->flushViewport(dstVP); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, dstPoint.fY, w, h); | |
| this->flushProgram(fCopyPrograms[progIdx].fProgram); | |
| fHWVertexArrayState.setVertexArrayID(this, 0); | |
| GrGLAttribArrayState* attribs = fHWVertexArrayState.bindInternalVertexArray(this); | |
| attribs->enableVertexArrays(this, 1); | |
| attribs->set(this, 0, fCopyProgramArrayBuffer.get(), kHalf2_GrVertexAttribType, | |
| 2 * sizeof(GrGLfloat), 0); | |
| // dst rect edges in NDC (-1 to 1) | |
| int dw = dst->width(); | |
| int dh = dst->height(); | |
| GrGLfloat dx0 = 2.f * dstPoint.fX / dw - 1.f; | |
| GrGLfloat dx1 = 2.f * (dstPoint.fX + w) / dw - 1.f; | |
| GrGLfloat dy0 = 2.f * dstPoint.fY / dh - 1.f; | |
| GrGLfloat dy1 = 2.f * (dstPoint.fY + h) / dh - 1.f; | |
| if (kBottomLeft_GrSurfaceOrigin == dstOrigin) { | |
| dy0 = -dy0; | |
| dy1 = -dy1; | |
| } | |
| GrGLfloat sx0 = (GrGLfloat)srcRect.fLeft; | |
| GrGLfloat sx1 = (GrGLfloat)(srcRect.fLeft + w); | |
| GrGLfloat sy0 = (GrGLfloat)srcRect.fTop; | |
| GrGLfloat sy1 = (GrGLfloat)(srcRect.fTop + h); | |
| int sw = src->width(); | |
| int sh = src->height(); | |
| if (kBottomLeft_GrSurfaceOrigin == srcOrigin) { | |
| sy0 = sh - sy0; | |
| sy1 = sh - sy1; | |
| } | |
| // src rect edges in normalized texture space (0 to 1) | |
| sx0 /= sw; | |
| sx1 /= sw; | |
| sy0 /= sh; | |
| sy1 /= sh; | |
| GL_CALL(Uniform4f(fCopyPrograms[progIdx].fPosXformUniform, dx1 - dx0, dy1 - dy0, dx0, dy0)); | |
| GL_CALL(Uniform4f(fCopyPrograms[progIdx].fTexCoordXformUniform, | |
| sx1 - sx0, sy1 - sy0, sx0, sy0)); | |
| GL_CALL(Uniform1i(fCopyPrograms[progIdx].fTextureUniform, 0)); | |
| GrXferProcessor::BlendInfo blendInfo; | |
| blendInfo.reset(); | |
| this->flushBlend(blendInfo, GrSwizzle::RGBA()); | |
| this->flushColorWrite(true); | |
| this->flushHWAAState(nullptr, false, false); | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| this->disableStencil(); | |
| if (this->glCaps().srgbWriteControl()) { | |
| this->flushFramebufferSRGB(true); | |
| } | |
| GL_CALL(DrawArrays(GR_GL_TRIANGLE_STRIP, 0, 4)); | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, dst); | |
| this->didWriteToSurface(dst, dstOrigin, &dstRect); | |
| return true; | |
| } | |
| void GrGLGpu::copySurfaceAsCopyTexSubImage(GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| SkASSERT(can_copy_texsubimage(dst, dstOrigin, src, srcOrigin, this->glCaps())); | |
| GrGLIRect srcVP; | |
| this->bindSurfaceFBOForPixelOps(src, GR_GL_FRAMEBUFFER, &srcVP, kSrc_TempFBOTarget); | |
| GrGLTexture* dstTex = static_cast<GrGLTexture *>(dst->asTexture()); | |
| SkASSERT(dstTex); | |
| // We modified the bound FBO | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| GrGLIRect srcGLRect; | |
| srcGLRect.setRelativeTo(srcVP, srcRect, srcOrigin); | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(dstTex->target(), dstTex->textureID())); | |
| GrGLint dstY; | |
| if (kBottomLeft_GrSurfaceOrigin == dstOrigin) { | |
| dstY = dst->height() - (dstPoint.fY + srcGLRect.fHeight); | |
| } else { | |
| dstY = dstPoint.fY; | |
| } | |
| GL_CALL(CopyTexSubImage2D(dstTex->target(), 0, | |
| dstPoint.fX, dstY, | |
| srcGLRect.fLeft, srcGLRect.fBottom, | |
| srcGLRect.fWidth, srcGLRect.fHeight)); | |
| this->unbindTextureFBOForPixelOps(GR_GL_FRAMEBUFFER, src); | |
| SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, dstPoint.fY, | |
| srcRect.width(), srcRect.height()); | |
| this->didWriteToSurface(dst, dstOrigin, &dstRect); | |
| } | |
| bool GrGLGpu::copySurfaceAsBlitFramebuffer(GrSurface* dst, GrSurfaceOrigin dstOrigin, | |
| GrSurface* src, GrSurfaceOrigin srcOrigin, | |
| const SkIRect& srcRect, | |
| const SkIPoint& dstPoint) { | |
| SkASSERT(can_blit_framebuffer_for_copy_surface(dst, dstOrigin, src, srcOrigin, | |
| srcRect, dstPoint, this->glCaps())); | |
| SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, dstPoint.fY, | |
| srcRect.width(), srcRect.height()); | |
| if (dst == src) { | |
| if (SkIRect::IntersectsNoEmptyCheck(dstRect, srcRect)) { | |
| return false; | |
| } | |
| } | |
| GrGLIRect dstVP; | |
| GrGLIRect srcVP; | |
| this->bindSurfaceFBOForPixelOps(dst, GR_GL_DRAW_FRAMEBUFFER, &dstVP, kDst_TempFBOTarget); | |
| this->bindSurfaceFBOForPixelOps(src, GR_GL_READ_FRAMEBUFFER, &srcVP, kSrc_TempFBOTarget); | |
| // We modified the bound FBO | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| GrGLIRect srcGLRect; | |
| GrGLIRect dstGLRect; | |
| srcGLRect.setRelativeTo(srcVP, srcRect, srcOrigin); | |
| dstGLRect.setRelativeTo(dstVP, dstRect, dstOrigin); | |
| // BlitFrameBuffer respects the scissor, so disable it. | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| GrGLint srcY0; | |
| GrGLint srcY1; | |
| // Does the blit need to y-mirror or not? | |
| if (srcOrigin == dstOrigin) { | |
| srcY0 = srcGLRect.fBottom; | |
| srcY1 = srcGLRect.fBottom + srcGLRect.fHeight; | |
| } else { | |
| srcY0 = srcGLRect.fBottom + srcGLRect.fHeight; | |
| srcY1 = srcGLRect.fBottom; | |
| } | |
| GL_CALL(BlitFramebuffer(srcGLRect.fLeft, | |
| srcY0, | |
| srcGLRect.fLeft + srcGLRect.fWidth, | |
| srcY1, | |
| dstGLRect.fLeft, | |
| dstGLRect.fBottom, | |
| dstGLRect.fLeft + dstGLRect.fWidth, | |
| dstGLRect.fBottom + dstGLRect.fHeight, | |
| GR_GL_COLOR_BUFFER_BIT, GR_GL_NEAREST)); | |
| this->unbindTextureFBOForPixelOps(GR_GL_DRAW_FRAMEBUFFER, dst); | |
| this->unbindTextureFBOForPixelOps(GR_GL_READ_FRAMEBUFFER, src); | |
| this->didWriteToSurface(dst, dstOrigin, &dstRect); | |
| return true; | |
| } | |
| bool GrGLGpu::onRegenerateMipMapLevels(GrTexture* texture) { | |
| auto glTex = static_cast<GrGLTexture*>(texture); | |
| // Mipmaps are only supported on 2D textures: | |
| if (GR_GL_TEXTURE_2D != glTex->target()) { | |
| return false; | |
| } | |
| // Manual implementation of mipmap generation, to work around driver bugs w/sRGB. | |
| // Uses draw calls to do a series of downsample operations to successive mips. | |
| // The manual approach requires the ability to limit which level we're sampling and that the | |
| // destination can be bound to a FBO: | |
| if (!this->glCaps().doManualMipmapping() || | |
| !this->glCaps().canConfigBeFBOColorAttachment(texture->config())) { | |
| GrGLenum target = glTex->target(); | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(target, glTex->textureID())); | |
| GL_CALL(GenerateMipmap(glTex->target())); | |
| return true; | |
| } | |
| int width = texture->width(); | |
| int height = texture->height(); | |
| int levelCount = SkMipMap::ComputeLevelCount(width, height) + 1; | |
| SkASSERT(levelCount == texture->texturePriv().maxMipMapLevel() + 1); | |
| // Create (if necessary), then bind temporary FBO: | |
| if (0 == fTempDstFBOID) { | |
| GL_CALL(GenFramebuffers(1, &fTempDstFBOID)); | |
| } | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, fTempDstFBOID); | |
| fHWBoundRenderTargetUniqueID.makeInvalid(); | |
| // Bind the texture, to get things configured for filtering. | |
| // We'll be changing our base level further below: | |
| this->setTextureUnit(0); | |
| this->bindTexture(0, GrSamplerState::ClampBilerp(), glTex); | |
| // Vertex data: | |
| if (!fMipmapProgramArrayBuffer) { | |
| static const GrGLfloat vdata[] = { | |
| 0, 0, | |
| 0, 1, | |
| 1, 0, | |
| 1, 1 | |
| }; | |
| fMipmapProgramArrayBuffer.reset(GrGLBuffer::Create(this, sizeof(vdata), | |
| kVertex_GrBufferType, | |
| kStatic_GrAccessPattern, vdata)); | |
| } | |
| if (!fMipmapProgramArrayBuffer) { | |
| return false; | |
| } | |
| fHWVertexArrayState.setVertexArrayID(this, 0); | |
| GrGLAttribArrayState* attribs = fHWVertexArrayState.bindInternalVertexArray(this); | |
| attribs->enableVertexArrays(this, 1); | |
| attribs->set(this, 0, fMipmapProgramArrayBuffer.get(), kHalf2_GrVertexAttribType, | |
| 2 * sizeof(GrGLfloat), 0); | |
| // Set "simple" state once: | |
| GrXferProcessor::BlendInfo blendInfo; | |
| blendInfo.reset(); | |
| this->flushBlend(blendInfo, GrSwizzle::RGBA()); | |
| this->flushColorWrite(true); | |
| this->flushHWAAState(nullptr, false, false); | |
| this->disableScissor(); | |
| this->disableWindowRectangles(); | |
| this->disableStencil(); | |
| // Do all the blits: | |
| width = texture->width(); | |
| height = texture->height(); | |
| GrGLIRect viewport; | |
| viewport.fLeft = 0; | |
| viewport.fBottom = 0; | |
| for (GrGLint level = 1; level < levelCount; ++level) { | |
| // Get and bind the program for this particular downsample (filter shape can vary): | |
| int progIdx = TextureSizeToMipmapProgramIdx(width, height); | |
| if (!fMipmapPrograms[progIdx].fProgram) { | |
| if (!this->createMipmapProgram(progIdx)) { | |
| SkDebugf("Failed to create mipmap program.\n"); | |
| return false; | |
| } | |
| } | |
| this->flushProgram(fMipmapPrograms[progIdx].fProgram); | |
| // Texcoord uniform is expected to contain (1/w, (w-1)/w, 1/h, (h-1)/h) | |
| const float invWidth = 1.0f / width; | |
| const float invHeight = 1.0f / height; | |
| GL_CALL(Uniform4f(fMipmapPrograms[progIdx].fTexCoordXformUniform, | |
| invWidth, (width - 1) * invWidth, invHeight, (height - 1) * invHeight)); | |
| GL_CALL(Uniform1i(fMipmapPrograms[progIdx].fTextureUniform, 0)); | |
| // Only sample from previous mip | |
| GL_CALL(TexParameteri(GR_GL_TEXTURE_2D, GR_GL_TEXTURE_BASE_LEVEL, level - 1)); | |
| GL_CALL(FramebufferTexture2D(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, GR_GL_TEXTURE_2D, | |
| glTex->textureID(), level)); | |
| width = SkTMax(1, width / 2); | |
| height = SkTMax(1, height / 2); | |
| viewport.fWidth = width; | |
| viewport.fHeight = height; | |
| this->flushViewport(viewport); | |
| GL_CALL(DrawArrays(GR_GL_TRIANGLE_STRIP, 0, 4)); | |
| } | |
| // Unbind: | |
| GL_CALL(FramebufferTexture2D(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, | |
| GR_GL_TEXTURE_2D, 0, 0)); | |
| // We modified the base level param. | |
| texture->textureParamsModified(); | |
| return true; | |
| } | |
| void GrGLGpu::xferBarrier(GrRenderTarget* rt, GrXferBarrierType type) { | |
| SkASSERT(type); | |
| switch (type) { | |
| case kTexture_GrXferBarrierType: { | |
| GrGLRenderTarget* glrt = static_cast<GrGLRenderTarget*>(rt); | |
| SkASSERT(glrt->textureFBOID() != 0 && glrt->renderFBOID() != 0); | |
| if (glrt->textureFBOID() != glrt->renderFBOID()) { | |
| // The render target uses separate storage so no need for glTextureBarrier. | |
| // FIXME: The render target will resolve automatically when its texture is bound, | |
| // but we could resolve only the bounds that will be read if we do it here instead. | |
| return; | |
| } | |
| SkASSERT(this->caps()->textureBarrierSupport()); | |
| GL_CALL(TextureBarrier()); | |
| return; | |
| } | |
| case kBlend_GrXferBarrierType: | |
| SkASSERT(GrCaps::kAdvanced_BlendEquationSupport == | |
| this->caps()->blendEquationSupport()); | |
| GL_CALL(BlendBarrier()); | |
| return; | |
| default: break; // placate compiler warnings that kNone not handled | |
| } | |
| } | |
| #if GR_TEST_UTILS | |
| GrBackendTexture GrGLGpu::createTestingOnlyBackendTexture(const void* pixels, int w, int h, | |
| GrPixelConfig config, bool /*isRT*/, | |
| GrMipMapped mipMapped) { | |
| this->handleDirtyContext(); | |
| if (!this->caps()->isConfigTexturable(config)) { | |
| return GrBackendTexture(); // invalid | |
| } | |
| if (w > this->caps()->maxTextureSize() || h > this->caps()->maxTextureSize()) { | |
| return GrBackendTexture(); // invalid | |
| } | |
| // Currently we don't support uploading pixel data when mipped. | |
| if (pixels && GrMipMapped::kYes == mipMapped) { | |
| return GrBackendTexture(); // invalid | |
| } | |
| GrGLTextureInfo info; | |
| info.fTarget = GR_GL_TEXTURE_2D; | |
| info.fID = 0; | |
| GL_CALL(GenTextures(1, &info.fID)); | |
| GL_CALL(ActiveTexture(GR_GL_TEXTURE0)); | |
| GL_CALL(PixelStorei(GR_GL_UNPACK_ALIGNMENT, 1)); | |
| GL_CALL(BindTexture(info.fTarget, info.fID)); | |
| fHWBoundTextureUniqueIDs[0].makeInvalid(); | |
| GL_CALL(TexParameteri(info.fTarget, GR_GL_TEXTURE_MAG_FILTER, GR_GL_NEAREST)); | |
| GL_CALL(TexParameteri(info.fTarget, GR_GL_TEXTURE_MIN_FILTER, GR_GL_NEAREST)); | |
| GL_CALL(TexParameteri(info.fTarget, GR_GL_TEXTURE_WRAP_S, GR_GL_CLAMP_TO_EDGE)); | |
| GL_CALL(TexParameteri(info.fTarget, GR_GL_TEXTURE_WRAP_T, GR_GL_CLAMP_TO_EDGE)); | |
| GrGLenum internalFormat; | |
| GrGLenum externalFormat; | |
| GrGLenum externalType; | |
| if (!this->glCaps().getTexImageFormats(config, config, &internalFormat, &externalFormat, | |
| &externalType)) { | |
| return GrBackendTexture(); // invalid | |
| } | |
| info.fFormat = this->glCaps().configSizedInternalFormat(config); | |
| this->unbindCpuToGpuXferBuffer(); | |
| // Figure out the number of mip levels. | |
| int mipLevels = 1; | |
| if (GrMipMapped::kYes == mipMapped) { | |
| mipLevels = SkMipMap::ComputeLevelCount(w, h) + 1; | |
| } | |
| size_t bpp = GrBytesPerPixel(config); | |
| size_t baseLayerSize = bpp * w * h; | |
| SkAutoMalloc defaultStorage(baseLayerSize); | |
| if (!pixels) { | |
| // Fill in the texture with all zeros so we don't have random garbage | |
| pixels = defaultStorage.get(); | |
| memset(defaultStorage.get(), 0, baseLayerSize); | |
| } | |
| int width = w; | |
| int height = h; | |
| for (int i = 0; i < mipLevels; ++i) { | |
| GL_CALL(TexImage2D(info.fTarget, i, internalFormat, width, height, 0, externalFormat, | |
| externalType, pixels)); | |
| width = SkTMax(1, width / 2); | |
| height = SkTMax(1, height / 2); | |
| } | |
| // unbind the texture from the texture unit to avoid asserts | |
| GL_CALL(BindTexture(info.fTarget, 0)); | |
| GrBackendTexture beTex = GrBackendTexture(w, h, mipMapped, info); | |
| // Lots of tests don't go through Skia's public interface which will set the config so for | |
| // testing we make sure we set a config here. | |
| beTex.setPixelConfig(config); | |
| return beTex; | |
| } | |
| bool GrGLGpu::isTestingOnlyBackendTexture(const GrBackendTexture& tex) const { | |
| SkASSERT(kOpenGL_GrBackend == tex.backend()); | |
| GrGLTextureInfo info; | |
| if (!tex.getGLTextureInfo(&info)) { | |
| return false; | |
| } | |
| GrGLboolean result; | |
| GL_CALL_RET(result, IsTexture(info.fID)); | |
| return (GR_GL_TRUE == result); | |
| } | |
| void GrGLGpu::deleteTestingOnlyBackendTexture(const GrBackendTexture& tex) { | |
| SkASSERT(kOpenGL_GrBackend == tex.backend()); | |
| GrGLTextureInfo info; | |
| if (tex.getGLTextureInfo(&info)) { | |
| GL_CALL(DeleteTextures(1, &info.fID)); | |
| } | |
| } | |
| GrBackendRenderTarget GrGLGpu::createTestingOnlyBackendRenderTarget(int w, int h, | |
| GrColorType colorType) { | |
| if (w > this->caps()->maxRenderTargetSize() || h > this->caps()->maxRenderTargetSize()) { | |
| return GrBackendRenderTarget(); // invalid | |
| } | |
| this->handleDirtyContext(); | |
| auto config = GrColorTypeToPixelConfig(colorType, GrSRGBEncoded::kNo); | |
| if (!this->glCaps().isConfigRenderable(config)) { | |
| return {}; | |
| } | |
| bool useTexture = false; | |
| GrGLenum colorBufferFormat; | |
| GrGLenum externalFormat = 0, externalType = 0; | |
| if (config == kBGRA_8888_GrPixelConfig && this->glCaps().bgraIsInternalFormat()) { | |
| // BGRA render buffers are not supported. | |
| this->glCaps().getTexImageFormats(config, config, &colorBufferFormat, &externalFormat, | |
| &externalType); | |
| useTexture = true; | |
| } else { | |
| this->glCaps().getRenderbufferFormat(config, &colorBufferFormat); | |
| } | |
| int sFormatIdx = this->getCompatibleStencilIndex(config); | |
| if (sFormatIdx < 0) { | |
| return {}; | |
| } | |
| GrGLuint colorID = 0; | |
| GrGLuint stencilID = 0; | |
| auto deleteIDs = [&] { | |
| if (colorID) { | |
| if (useTexture) { | |
| GL_CALL(DeleteTextures(1, &colorID)); | |
| } else { | |
| GL_CALL(DeleteRenderbuffers(1, &colorID)); | |
| } | |
| } | |
| if (stencilID) { | |
| GL_CALL(DeleteRenderbuffers(1, &stencilID)); | |
| } | |
| }; | |
| if (useTexture) { | |
| GL_CALL(GenTextures(1, &colorID)); | |
| } else { | |
| GL_CALL(GenRenderbuffers(1, &colorID)); | |
| } | |
| GL_CALL(GenRenderbuffers(1, &stencilID)); | |
| if (!stencilID || !colorID) { | |
| deleteIDs(); | |
| return {}; | |
| } | |
| GrGLFramebufferInfo info; | |
| info.fFBOID = 0; | |
| this->glCaps().getSizedInternalFormat(config, &info.fFormat); | |
| GL_CALL(GenFramebuffers(1, &info.fFBOID)); | |
| if (!info.fFBOID) { | |
| deleteIDs(); | |
| return {}; | |
| } | |
| this->invalidateBoundRenderTarget(); | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, info.fFBOID); | |
| if (useTexture) { | |
| this->setScratchTextureUnit(); | |
| GL_CALL(BindTexture(GR_GL_TEXTURE_2D, colorID)); | |
| GL_CALL(TexImage2D(GR_GL_TEXTURE_2D, 0, colorBufferFormat, w, h, 0, externalFormat, | |
| externalType, nullptr)); | |
| GL_CALL(FramebufferTexture2D(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, GR_GL_TEXTURE_2D, | |
| colorID, 0)); | |
| } else { | |
| GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, colorID)); | |
| GL_ALLOC_CALL(this->glInterface(), | |
| RenderbufferStorage(GR_GL_RENDERBUFFER, colorBufferFormat, w, h)); | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, | |
| GR_GL_RENDERBUFFER, colorID)); | |
| } | |
| GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, stencilID)); | |
| auto stencilBufferFormat = this->glCaps().stencilFormats()[sFormatIdx].fInternalFormat; | |
| GL_ALLOC_CALL(this->glInterface(), | |
| RenderbufferStorage(GR_GL_RENDERBUFFER, stencilBufferFormat, w, h)); | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_STENCIL_ATTACHMENT, GR_GL_RENDERBUFFER, | |
| stencilID)); | |
| if (this->glCaps().stencilFormats()[sFormatIdx].fPacked) { | |
| GL_CALL(FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_DEPTH_ATTACHMENT, | |
| GR_GL_RENDERBUFFER, stencilID)); | |
| } | |
| // We don't want to have to recover the renderbuffer/texture IDs later to delete them. OpenGL | |
| // has this rule that if a renderbuffer/texture is deleted and a FBO other than the current FBO | |
| // has the RB attached then deletion is delayed. So we unbind the FBO here and delete the | |
| // renderbuffers/texture. | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, 0); | |
| deleteIDs(); | |
| this->bindFramebuffer(GR_GL_FRAMEBUFFER, info.fFBOID); | |
| GrGLenum status; | |
| GL_CALL_RET(status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); | |
| if (GR_GL_FRAMEBUFFER_COMPLETE != status) { | |
| this->deleteFramebuffer(info.fFBOID); | |
| return {}; | |
| } | |
| auto stencilBits = SkToInt(this->glCaps().stencilFormats()[sFormatIdx].fStencilBits); | |
| GrBackendRenderTarget beRT = GrBackendRenderTarget(w, h, 1, stencilBits, info); | |
| // Lots of tests don't go through Skia's public interface which will set the config so for | |
| // testing we make sure we set a config here. | |
| beRT.setPixelConfig(config); | |
| #ifdef SK_DEBUG | |
| SkColorType skColorType = GrColorTypeToSkColorType(colorType); | |
| if (skColorType != kUnknown_SkColorType) { | |
| SkASSERT(this->caps()->validateBackendRenderTarget( | |
| beRT, GrColorTypeToSkColorType(colorType), &config)); | |
| } | |
| #endif | |
| return beRT; | |
| } | |
| void GrGLGpu::deleteTestingOnlyBackendRenderTarget(const GrBackendRenderTarget& backendRT) { | |
| SkASSERT(kOpenGL_GrBackend == backendRT.backend()); | |
| GrGLFramebufferInfo info; | |
| if (backendRT.getGLFramebufferInfo(&info)) { | |
| if (info.fFBOID) { | |
| this->deleteFramebuffer(info.fFBOID); | |
| } | |
| } | |
| } | |
| void GrGLGpu::testingOnly_flushGpuAndSync() { | |
| GL_CALL(Finish()); | |
| } | |
| #endif | |
| /////////////////////////////////////////////////////////////////////////////// | |
| GrGLAttribArrayState* GrGLGpu::HWVertexArrayState::bindInternalVertexArray(GrGLGpu* gpu, | |
| const GrBuffer* ibuf) { | |
| GrGLAttribArrayState* attribState; | |
| if (gpu->glCaps().isCoreProfile()) { | |
| if (!fCoreProfileVertexArray) { | |
| GrGLuint arrayID; | |
| GR_GL_CALL(gpu->glInterface(), GenVertexArrays(1, &arrayID)); | |
| int attrCount = gpu->glCaps().maxVertexAttributes(); | |
| fCoreProfileVertexArray = new GrGLVertexArray(arrayID, attrCount); | |
| } | |
| if (ibuf) { | |
| attribState = fCoreProfileVertexArray->bindWithIndexBuffer(gpu, ibuf); | |
| } else { | |
| attribState = fCoreProfileVertexArray->bind(gpu); | |
| } | |
| } else { | |
| if (ibuf) { | |
| // bindBuffer implicitly binds VAO 0 when binding an index buffer. | |
| gpu->bindBuffer(kIndex_GrBufferType, ibuf); | |
| } else { | |
| this->setVertexArrayID(gpu, 0); | |
| } | |
| int attrCount = gpu->glCaps().maxVertexAttributes(); | |
| if (fDefaultVertexArrayAttribState.count() != attrCount) { | |
| fDefaultVertexArrayAttribState.resize(attrCount); | |
| } | |
| attribState = &fDefaultVertexArrayAttribState; | |
| } | |
| return attribState; | |
| } | |
| void GrGLGpu::onFinishFlush(bool insertedSemaphore) { | |
| // If we inserted semaphores during the flush, we need to call GLFlush. | |
| if (insertedSemaphore) { | |
| GL_CALL(Flush()); | |
| } | |
| } | |
| void GrGLGpu::submit(GrGpuCommandBuffer* buffer) { | |
| if (buffer->asRTCommandBuffer()) { | |
| SkASSERT(fCachedRTCommandBuffer.get() == buffer); | |
| fCachedRTCommandBuffer->reset(); | |
| } else { | |
| SkASSERT(fCachedTexCommandBuffer.get() == buffer); | |
| fCachedTexCommandBuffer->reset(); | |
| } | |
| } | |
| GrFence SK_WARN_UNUSED_RESULT GrGLGpu::insertFence() { | |
| SkASSERT(this->caps()->fenceSyncSupport()); | |
| GrGLsync sync; | |
| GL_CALL_RET(sync, FenceSync(GR_GL_SYNC_GPU_COMMANDS_COMPLETE, 0)); | |
| GR_STATIC_ASSERT(sizeof(GrFence) >= sizeof(GrGLsync)); | |
| return (GrFence)sync; | |
| } | |
| bool GrGLGpu::waitFence(GrFence fence, uint64_t timeout) { | |
| GrGLenum result; | |
| GL_CALL_RET(result, ClientWaitSync((GrGLsync)fence, GR_GL_SYNC_FLUSH_COMMANDS_BIT, timeout)); | |
| return (GR_GL_CONDITION_SATISFIED == result); | |
| } | |
| void GrGLGpu::deleteFence(GrFence fence) const { | |
| this->deleteSync((GrGLsync)fence); | |
| } | |
| sk_sp<GrSemaphore> SK_WARN_UNUSED_RESULT GrGLGpu::makeSemaphore(bool isOwned) { | |
| SkASSERT(this->caps()->fenceSyncSupport()); | |
| return GrGLSemaphore::Make(this, isOwned); | |
| } | |
| sk_sp<GrSemaphore> GrGLGpu::wrapBackendSemaphore(const GrBackendSemaphore& semaphore, | |
| GrResourceProvider::SemaphoreWrapType wrapType, | |
| GrWrapOwnership ownership) { | |
| SkASSERT(this->caps()->fenceSyncSupport()); | |
| return GrGLSemaphore::MakeWrapped(this, semaphore.glSync(), ownership); | |
| } | |
| void GrGLGpu::insertSemaphore(sk_sp<GrSemaphore> semaphore, bool flush) { | |
| GrGLSemaphore* glSem = static_cast<GrGLSemaphore*>(semaphore.get()); | |
| GrGLsync sync; | |
| GL_CALL_RET(sync, FenceSync(GR_GL_SYNC_GPU_COMMANDS_COMPLETE, 0)); | |
| glSem->setSync(sync); | |
| if (flush) { | |
| GL_CALL(Flush()); | |
| } | |
| } | |
| void GrGLGpu::waitSemaphore(sk_sp<GrSemaphore> semaphore) { | |
| GrGLSemaphore* glSem = static_cast<GrGLSemaphore*>(semaphore.get()); | |
| GL_CALL(WaitSync(glSem->sync(), 0, GR_GL_TIMEOUT_IGNORED)); | |
| } | |
| void GrGLGpu::deleteSync(GrGLsync sync) const { | |
| GL_CALL(DeleteSync(sync)); | |
| } | |
| void GrGLGpu::insertEventMarker(const char* msg) { | |
| GL_CALL(InsertEventMarker(strlen(msg), msg)); | |
| } | |
| sk_sp<GrSemaphore> GrGLGpu::prepareTextureForCrossContextUsage(GrTexture* texture) { | |
| // Set up a semaphore to be signaled once the data is ready, and flush GL | |
| sk_sp<GrSemaphore> semaphore = this->makeSemaphore(true); | |
| this->insertSemaphore(semaphore, true); | |
| return semaphore; | |
| } | |
| int GrGLGpu::TextureToCopyProgramIdx(GrTexture* texture) { | |
| switch (GrSLCombinedSamplerTypeForTextureType(texture->texturePriv().textureType())) { | |
| case kTexture2DSampler_GrSLType: | |
| return 0; | |
| case kTexture2DRectSampler_GrSLType: | |
| return 1; | |
| case kTextureExternalSampler_GrSLType: | |
| return 2; | |
| default: | |
| SK_ABORT("Unexpected samper type"); | |
| return 0; | |
| } | |
| } | |
| void GrGLGpu::onDumpJSON(SkJSONWriter* writer) const { | |
| // We are called by the base class, which has already called beginObject(). We choose to nest | |
| // all of our caps information in a named sub-object. | |
| writer->beginObject("GL GPU"); | |
| const GrGLubyte* str; | |
| GL_CALL_RET(str, GetString(GR_GL_VERSION)); | |
| writer->appendString("GL_VERSION", (const char*)(str)); | |
| GL_CALL_RET(str, GetString(GR_GL_RENDERER)); | |
| writer->appendString("GL_RENDERER", (const char*)(str)); | |
| GL_CALL_RET(str, GetString(GR_GL_VENDOR)); | |
| writer->appendString("GL_VENDOR", (const char*)(str)); | |
| GL_CALL_RET(str, GetString(GR_GL_SHADING_LANGUAGE_VERSION)); | |
| writer->appendString("GL_SHADING_LANGUAGE_VERSION", (const char*)(str)); | |
| writer->appendName("extensions"); | |
| glInterface()->fExtensions.dumpJSON(writer); | |
| writer->endObject(); | |
| } |