| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrCaps.h" |
| #include "GrContextOptions.h" |
| #include "GrWindowRectangles.h" |
| |
| static const char* pixel_config_name(GrPixelConfig config) { |
| switch (config) { |
| case kUnknown_GrPixelConfig: return "Unknown"; |
| case kAlpha_8_GrPixelConfig: return "Alpha8"; |
| case kGray_8_GrPixelConfig: return "Gray8"; |
| case kRGB_565_GrPixelConfig: return "RGB565"; |
| case kRGBA_4444_GrPixelConfig: return "RGBA444"; |
| case kRGBA_8888_GrPixelConfig: return "RGBA8888"; |
| case kBGRA_8888_GrPixelConfig: return "BGRA8888"; |
| case kSRGBA_8888_GrPixelConfig: return "SRGBA8888"; |
| case kSBGRA_8888_GrPixelConfig: return "SBGRA8888"; |
| case kRGBA_8888_sint_GrPixelConfig: return "RGBA8888_sint"; |
| case kRGBA_float_GrPixelConfig: return "RGBAFloat"; |
| case kRG_float_GrPixelConfig: return "RGFloat"; |
| case kAlpha_half_GrPixelConfig: return "AlphaHalf"; |
| case kRGBA_half_GrPixelConfig: return "RGBAHalf"; |
| } |
| SkFAIL("Invalid pixel config"); |
| return "<invalid>"; |
| } |
| |
| GrCaps::GrCaps(const GrContextOptions& options) { |
| fMipMapSupport = false; |
| fNPOTTextureTileSupport = false; |
| fSRGBSupport = false; |
| fSRGBWriteControl = false; |
| fDiscardRenderTargetSupport = false; |
| fReuseScratchTextures = true; |
| fReuseScratchBuffers = true; |
| fGpuTracingSupport = false; |
| fOversizedStencilSupport = false; |
| fTextureBarrierSupport = false; |
| fSampleLocationsSupport = false; |
| fMultisampleDisableSupport = false; |
| fInstanceAttribSupport = false; |
| fUsesMixedSamples = false; |
| fPreferClientSideDynamicBuffers = false; |
| fFullClearIsFree = false; |
| fMustClearUploadedBufferData = false; |
| fSampleShadingSupport = false; |
| fFenceSyncSupport = false; |
| fCrossContextTextureSupport = false; |
| |
| fUseDrawInsteadOfClear = false; |
| |
| fInstancedSupport = InstancedSupport::kNone; |
| |
| fBlendEquationSupport = kBasic_BlendEquationSupport; |
| fAdvBlendEqBlacklist = 0; |
| |
| fMapBufferFlags = kNone_MapFlags; |
| |
| fMaxVertexAttributes = 0; |
| fMaxRenderTargetSize = 1; |
| fMaxTextureSize = 1; |
| fMaxColorSampleCount = 0; |
| fMaxStencilSampleCount = 0; |
| fMaxRasterSamples = 0; |
| fMaxWindowRectangles = 0; |
| |
| fSuppressPrints = options.fSuppressPrints; |
| fWireframeMode = options.fWireframeMode; |
| fBufferMapThreshold = options.fBufferMapThreshold; |
| fAvoidInstancedDrawsToFPTargets = false; |
| fAvoidStencilBuffers = false; |
| |
| fPreferVRAMUseOverFlushes = true; |
| } |
| |
| void GrCaps::applyOptionsOverrides(const GrContextOptions& options) { |
| this->onApplyOptionsOverrides(options); |
| fMaxTextureSize = SkTMin(fMaxTextureSize, options.fMaxTextureSizeOverride); |
| // If the max tile override is zero, it means we should use the max texture size. |
| if (!options.fMaxTileSizeOverride || options.fMaxTileSizeOverride > fMaxTextureSize) { |
| fMaxTileSize = fMaxTextureSize; |
| } else { |
| fMaxTileSize = options.fMaxTileSizeOverride; |
| } |
| if (fMaxWindowRectangles > GrWindowRectangles::kMaxWindows) { |
| SkDebugf("WARNING: capping window rectangles at %i. HW advertises support for %i.\n", |
| GrWindowRectangles::kMaxWindows, fMaxWindowRectangles); |
| fMaxWindowRectangles = GrWindowRectangles::kMaxWindows; |
| } |
| fAvoidStencilBuffers = options.fAvoidStencilBuffers; |
| } |
| |
| static SkString map_flags_to_string(uint32_t flags) { |
| SkString str; |
| if (GrCaps::kNone_MapFlags == flags) { |
| str = "none"; |
| } else { |
| SkASSERT(GrCaps::kCanMap_MapFlag & flags); |
| SkDEBUGCODE(flags &= ~GrCaps::kCanMap_MapFlag); |
| str = "can_map"; |
| |
| if (GrCaps::kSubset_MapFlag & flags) { |
| str.append(" partial"); |
| } else { |
| str.append(" full"); |
| } |
| SkDEBUGCODE(flags &= ~GrCaps::kSubset_MapFlag); |
| } |
| SkASSERT(0 == flags); // Make sure we handled all the flags. |
| return str; |
| } |
| |
| SkString GrCaps::dump() const { |
| SkString r; |
| static const char* gNY[] = {"NO", "YES"}; |
| r.appendf("MIP Map Support : %s\n", gNY[fMipMapSupport]); |
| r.appendf("NPOT Texture Tile Support : %s\n", gNY[fNPOTTextureTileSupport]); |
| r.appendf("sRGB Support : %s\n", gNY[fSRGBSupport]); |
| r.appendf("sRGB Write Control : %s\n", gNY[fSRGBWriteControl]); |
| r.appendf("Discard Render Target Support : %s\n", gNY[fDiscardRenderTargetSupport]); |
| r.appendf("Reuse Scratch Textures : %s\n", gNY[fReuseScratchTextures]); |
| r.appendf("Reuse Scratch Buffers : %s\n", gNY[fReuseScratchBuffers]); |
| r.appendf("Gpu Tracing Support : %s\n", gNY[fGpuTracingSupport]); |
| r.appendf("Oversized Stencil Support : %s\n", gNY[fOversizedStencilSupport]); |
| r.appendf("Texture Barrier Support : %s\n", gNY[fTextureBarrierSupport]); |
| r.appendf("Sample Locations Support : %s\n", gNY[fSampleLocationsSupport]); |
| r.appendf("Multisample disable support : %s\n", gNY[fMultisampleDisableSupport]); |
| r.appendf("Instance Attrib Support : %s\n", gNY[fInstanceAttribSupport]); |
| r.appendf("Uses Mixed Samples : %s\n", gNY[fUsesMixedSamples]); |
| r.appendf("Prefer client-side dynamic buffers : %s\n", gNY[fPreferClientSideDynamicBuffers]); |
| r.appendf("Full screen clear is free : %s\n", gNY[fFullClearIsFree]); |
| r.appendf("Must clear buffer memory : %s\n", gNY[fMustClearUploadedBufferData]); |
| r.appendf("Sample shading support : %s\n", gNY[fSampleShadingSupport]); |
| r.appendf("Fence sync support : %s\n", gNY[fFenceSyncSupport]); |
| r.appendf("Cross context texture support : %s\n", gNY[fCrossContextTextureSupport]); |
| |
| r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]); |
| r.appendf("Prefer VRAM Use over flushes [workaround] : %s\n", gNY[fPreferVRAMUseOverFlushes]); |
| |
| if (this->advancedBlendEquationSupport()) { |
| r.appendf("Advanced Blend Equation Blacklist : 0x%x\n", fAdvBlendEqBlacklist); |
| } |
| |
| r.appendf("Max Vertex Attributes : %d\n", fMaxVertexAttributes); |
| r.appendf("Max Texture Size : %d\n", fMaxTextureSize); |
| r.appendf("Max Render Target Size : %d\n", fMaxRenderTargetSize); |
| r.appendf("Max Color Sample Count : %d\n", fMaxColorSampleCount); |
| r.appendf("Max Stencil Sample Count : %d\n", fMaxStencilSampleCount); |
| r.appendf("Max Raster Samples : %d\n", fMaxRasterSamples); |
| r.appendf("Max Window Rectangles : %d\n", fMaxWindowRectangles); |
| |
| static const char* kInstancedSupportNames[] = { |
| "None", |
| "Basic", |
| "Multisampled", |
| "Mixed Sampled", |
| }; |
| GR_STATIC_ASSERT(0 == (int)InstancedSupport::kNone); |
| GR_STATIC_ASSERT(1 == (int)InstancedSupport::kBasic); |
| GR_STATIC_ASSERT(2 == (int)InstancedSupport::kMultisampled); |
| GR_STATIC_ASSERT(3 == (int)InstancedSupport::kMixedSampled); |
| GR_STATIC_ASSERT(4 == SK_ARRAY_COUNT(kInstancedSupportNames)); |
| |
| r.appendf("Instanced Support : %s\n", |
| kInstancedSupportNames[(int)fInstancedSupport]); |
| |
| static const char* kBlendEquationSupportNames[] = { |
| "Basic", |
| "Advanced", |
| "Advanced Coherent", |
| }; |
| GR_STATIC_ASSERT(0 == kBasic_BlendEquationSupport); |
| GR_STATIC_ASSERT(1 == kAdvanced_BlendEquationSupport); |
| GR_STATIC_ASSERT(2 == kAdvancedCoherent_BlendEquationSupport); |
| GR_STATIC_ASSERT(SK_ARRAY_COUNT(kBlendEquationSupportNames) == kLast_BlendEquationSupport + 1); |
| |
| r.appendf("Blend Equation Support : %s\n", |
| kBlendEquationSupportNames[fBlendEquationSupport]); |
| r.appendf("Map Buffer Support : %s\n", |
| map_flags_to_string(fMapBufferFlags).c_str()); |
| |
| SkASSERT(!this->isConfigRenderable(kUnknown_GrPixelConfig, false)); |
| SkASSERT(!this->isConfigRenderable(kUnknown_GrPixelConfig, true)); |
| |
| for (size_t i = 1; i < kGrPixelConfigCnt; ++i) { |
| GrPixelConfig config = static_cast<GrPixelConfig>(i); |
| r.appendf("%s is renderable: %s, with MSAA: %s\n", |
| pixel_config_name(config), |
| gNY[this->isConfigRenderable(config, false)], |
| gNY[this->isConfigRenderable(config, true)]); |
| } |
| |
| SkASSERT(!this->isConfigTexturable(kUnknown_GrPixelConfig)); |
| |
| for (size_t i = 1; i < kGrPixelConfigCnt; ++i) { |
| GrPixelConfig config = static_cast<GrPixelConfig>(i); |
| r.appendf("%s is uploadable to a texture: %s\n", |
| pixel_config_name(config), |
| gNY[this->isConfigTexturable(config)]); |
| } |
| |
| return r; |
| } |
