| |
| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrDrawTarget.h" |
| |
| #include "GrBatch.h" |
| #include "GrContext.h" |
| #include "GrDrawTargetCaps.h" |
| #include "GrPath.h" |
| #include "GrPipeline.h" |
| #include "GrMemoryPool.h" |
| #include "GrRectBatch.h" |
| #include "GrRenderTarget.h" |
| #include "GrRenderTargetPriv.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTemplates.h" |
| #include "GrTexture.h" |
| #include "GrVertexBuffer.h" |
| |
| #include "SkStrokeRec.h" |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #define DEBUG_INVAL_BUFFER 0xdeadcafe |
| #define DEBUG_INVAL_START_IDX -1 |
| |
| GrDrawTarget::GrDrawTarget(GrContext* context) |
| : fContext(context) |
| , fCaps(SkRef(context->getGpu()->caps())) |
| , fGpuTraceMarkerCount(0) |
| , fFlushing(false) { |
| SkASSERT(context); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrDrawTarget::setupDstReadIfNecessary(const GrPipelineBuilder& pipelineBuilder, |
| const GrProcOptInfo& colorPOI, |
| const GrProcOptInfo& coveragePOI, |
| GrDeviceCoordTexture* dstCopy, |
| const SkRect* drawBounds) { |
| if (!pipelineBuilder.willXPNeedDstCopy(*this->caps(), colorPOI, coveragePOI)) { |
| return true; |
| } |
| |
| GrRenderTarget* rt = pipelineBuilder.getRenderTarget(); |
| |
| if (this->caps()->textureBarrierSupport()) { |
| if (GrTexture* rtTex = rt->asTexture()) { |
| // The render target is a texture, se we can read from it directly in the shader. The XP |
| // will be responsible to detect this situation and request a texture barrier. |
| dstCopy->setTexture(rtTex); |
| dstCopy->setOffset(0, 0); |
| return true; |
| } |
| } |
| |
| SkIRect copyRect; |
| pipelineBuilder.clip().getConservativeBounds(rt, ©Rect); |
| |
| if (drawBounds) { |
| SkIRect drawIBounds; |
| drawBounds->roundOut(&drawIBounds); |
| if (!copyRect.intersect(drawIBounds)) { |
| #ifdef SK_DEBUG |
| GrContextDebugf(fContext, "Missed an early reject. " |
| "Bailing on draw from setupDstReadIfNecessary.\n"); |
| #endif |
| return false; |
| } |
| } else { |
| #ifdef SK_DEBUG |
| //SkDebugf("No dev bounds when dst copy is made.\n"); |
| #endif |
| } |
| |
| // MSAA consideration: When there is support for reading MSAA samples in the shader we could |
| // have per-sample dst values by making the copy multisampled. |
| GrSurfaceDesc desc; |
| if (!this->getGpu()->initCopySurfaceDstDesc(rt, &desc)) { |
| desc.fOrigin = kDefault_GrSurfaceOrigin; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fConfig = rt->config(); |
| } |
| |
| |
| desc.fWidth = copyRect.width(); |
| desc.fHeight = copyRect.height(); |
| |
| SkAutoTUnref<GrTexture> copy(fContext->textureProvider()->refScratchTexture(desc, |
| GrTextureProvider::kApprox_ScratchTexMatch)); |
| |
| if (!copy) { |
| SkDebugf("Failed to create temporary copy of destination texture.\n"); |
| return false; |
| } |
| SkIPoint dstPoint = {0, 0}; |
| if (this->copySurface(copy, rt, copyRect, dstPoint)) { |
| dstCopy->setTexture(copy); |
| dstCopy->setOffset(copyRect.fLeft, copyRect.fTop); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| void GrDrawTarget::flush() { |
| if (fFlushing) { |
| return; |
| } |
| fFlushing = true; |
| |
| this->getGpu()->saveActiveTraceMarkers(); |
| |
| this->onFlush(); |
| |
| this->getGpu()->restoreActiveTraceMarkers(); |
| |
| fFlushing = false; |
| this->reset(); |
| } |
| |
| void GrDrawTarget::drawBatch(GrPipelineBuilder* pipelineBuilder, |
| GrBatch* batch) { |
| SkASSERT(pipelineBuilder); |
| // TODO some kind of checkdraw, but not at this level |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrPipelineBuilder::AutoRestoreFragmentProcessors arfp; |
| GrPipelineBuilder::AutoRestoreStencil ars; |
| if (!this->setupClip(pipelineBuilder, &arfp, &ars, &scissorState, &batch->bounds())) { |
| return; |
| } |
| |
| // Batch bounds are tight, so for dev copies |
| // TODO move this into setupDstReadIfNecessary when paths are in batch |
| SkRect bounds = batch->bounds(); |
| bounds.outset(0.5f, 0.5f); |
| |
| GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, batch, &bounds, |
| this); |
| if (pipelineInfo.mustSkipDraw()) { |
| return; |
| } |
| |
| this->onDrawBatch(batch, pipelineInfo); |
| } |
| |
| static const GrStencilSettings& winding_path_stencil_settings() { |
| GR_STATIC_CONST_SAME_STENCIL_STRUCT(gSettings, |
| kIncClamp_StencilOp, |
| kIncClamp_StencilOp, |
| kAlwaysIfInClip_StencilFunc, |
| 0xFFFF, 0xFFFF, 0xFFFF); |
| return *GR_CONST_STENCIL_SETTINGS_PTR_FROM_STRUCT_PTR(&gSettings); |
| } |
| |
| static const GrStencilSettings& even_odd_path_stencil_settings() { |
| GR_STATIC_CONST_SAME_STENCIL_STRUCT(gSettings, |
| kInvert_StencilOp, |
| kInvert_StencilOp, |
| kAlwaysIfInClip_StencilFunc, |
| 0xFFFF, 0xFFFF, 0xFFFF); |
| return *GR_CONST_STENCIL_SETTINGS_PTR_FROM_STRUCT_PTR(&gSettings); |
| } |
| |
| void GrDrawTarget::getPathStencilSettingsForFilltype(GrPathRendering::FillType fill, |
| const GrStencilAttachment* sb, |
| GrStencilSettings* outStencilSettings) { |
| |
| switch (fill) { |
| default: |
| SkFAIL("Unexpected path fill."); |
| case GrPathRendering::kWinding_FillType: |
| *outStencilSettings = winding_path_stencil_settings(); |
| break; |
| case GrPathRendering::kEvenOdd_FillType: |
| *outStencilSettings = even_odd_path_stencil_settings(); |
| break; |
| } |
| this->clipMaskManager()->adjustPathStencilParams(sb, outStencilSettings); |
| } |
| |
| void GrDrawTarget::stencilPath(GrPipelineBuilder* pipelineBuilder, |
| const GrPathProcessor* pathProc, |
| const GrPath* path, |
| GrPathRendering::FillType fill) { |
| // TODO: extract portions of checkDraw that are relevant to path stenciling. |
| SkASSERT(path); |
| SkASSERT(this->caps()->shaderCaps()->pathRenderingSupport()); |
| SkASSERT(pipelineBuilder); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrPipelineBuilder::AutoRestoreFragmentProcessors arfp; |
| GrPipelineBuilder::AutoRestoreStencil ars; |
| if (!this->setupClip(pipelineBuilder, &arfp, &ars, &scissorState, NULL)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| GrRenderTarget* rt = pipelineBuilder->getRenderTarget(); |
| GrStencilAttachment* sb = rt->renderTargetPriv().attachStencilAttachment(); |
| this->getPathStencilSettingsForFilltype(fill, sb, &stencilSettings); |
| |
| this->onStencilPath(*pipelineBuilder, pathProc, path, scissorState, stencilSettings); |
| } |
| |
| void GrDrawTarget::drawPath(GrPipelineBuilder* pipelineBuilder, |
| const GrPathProcessor* pathProc, |
| const GrPath* path, |
| GrPathRendering::FillType fill) { |
| // TODO: extract portions of checkDraw that are relevant to path rendering. |
| SkASSERT(path); |
| SkASSERT(this->caps()->shaderCaps()->pathRenderingSupport()); |
| SkASSERT(pipelineBuilder); |
| |
| SkRect devBounds = path->getBounds(); |
| pathProc->viewMatrix().mapRect(&devBounds); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrPipelineBuilder::AutoRestoreFragmentProcessors arfp; |
| GrPipelineBuilder::AutoRestoreStencil ars; |
| if (!this->setupClip(pipelineBuilder, &arfp, &ars, &scissorState, &devBounds)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| GrRenderTarget* rt = pipelineBuilder->getRenderTarget(); |
| GrStencilAttachment* sb = rt->renderTargetPriv().attachStencilAttachment(); |
| this->getPathStencilSettingsForFilltype(fill, sb, &stencilSettings); |
| |
| GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, pathProc, &devBounds, |
| this); |
| if (pipelineInfo.mustSkipDraw()) { |
| return; |
| } |
| |
| this->onDrawPath(pathProc, path, stencilSettings, pipelineInfo); |
| } |
| |
| void GrDrawTarget::drawPaths(GrPipelineBuilder* pipelineBuilder, |
| const GrPathProcessor* pathProc, |
| const GrPathRange* pathRange, |
| const void* indices, |
| PathIndexType indexType, |
| const float transformValues[], |
| PathTransformType transformType, |
| int count, |
| GrPathRendering::FillType fill) { |
| SkASSERT(this->caps()->shaderCaps()->pathRenderingSupport()); |
| SkASSERT(pathRange); |
| SkASSERT(indices); |
| SkASSERT(0 == reinterpret_cast<long>(indices) % GrPathRange::PathIndexSizeInBytes(indexType)); |
| SkASSERT(transformValues); |
| SkASSERT(pipelineBuilder); |
| |
| // Setup clip |
| GrScissorState scissorState; |
| GrPipelineBuilder::AutoRestoreFragmentProcessors arfp; |
| GrPipelineBuilder::AutoRestoreStencil ars; |
| |
| if (!this->setupClip(pipelineBuilder, &arfp, &ars, &scissorState, NULL)) { |
| return; |
| } |
| |
| // set stencil settings for path |
| GrStencilSettings stencilSettings; |
| GrRenderTarget* rt = pipelineBuilder->getRenderTarget(); |
| GrStencilAttachment* sb = rt->renderTargetPriv().attachStencilAttachment(); |
| this->getPathStencilSettingsForFilltype(fill, sb, &stencilSettings); |
| |
| // Don't compute a bounding box for dst copy texture, we'll opt |
| // instead for it to just copy the entire dst. Realistically this is a moot |
| // point, because any context that supports NV_path_rendering will also |
| // support NV_blend_equation_advanced. |
| GrDrawTarget::PipelineInfo pipelineInfo(pipelineBuilder, &scissorState, pathProc, NULL, this); |
| if (pipelineInfo.mustSkipDraw()) { |
| return; |
| } |
| |
| this->onDrawPaths(pathProc, pathRange, indices, indexType, transformValues, |
| transformType, count, stencilSettings, pipelineInfo); |
| } |
| |
| void GrDrawTarget::drawRect(GrPipelineBuilder* pipelineBuilder, |
| GrColor color, |
| const SkMatrix& viewMatrix, |
| const SkRect& rect, |
| const SkRect* localRect, |
| const SkMatrix* localMatrix) { |
| SkAutoTUnref<GrBatch> batch(GrRectBatch::Create(color, viewMatrix, rect, localRect, |
| localMatrix)); |
| this->drawBatch(pipelineBuilder, batch); |
| } |
| |
| void GrDrawTarget::clear(const SkIRect* rect, |
| GrColor color, |
| bool canIgnoreRect, |
| GrRenderTarget* renderTarget) { |
| if (fCaps->useDrawInsteadOfClear()) { |
| // This works around a driver bug with clear by drawing a rect instead. |
| // The driver will ignore a clear if it is the only thing rendered to a |
| // target before the target is read. |
| SkIRect rtRect = SkIRect::MakeWH(renderTarget->width(), renderTarget->height()); |
| if (NULL == rect || canIgnoreRect || rect->contains(rtRect)) { |
| rect = &rtRect; |
| // We first issue a discard() since that may help tilers. |
| this->discard(renderTarget); |
| } |
| |
| GrPipelineBuilder pipelineBuilder; |
| pipelineBuilder.setRenderTarget(renderTarget); |
| |
| this->drawSimpleRect(&pipelineBuilder, color, SkMatrix::I(), *rect); |
| } else { |
| this->onClear(rect, color, canIgnoreRect, renderTarget); |
| } |
| } |
| |
| typedef GrTraceMarkerSet::Iter TMIter; |
| void GrDrawTarget::saveActiveTraceMarkers() { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(0 == fStoredTraceMarkers.count()); |
| fStoredTraceMarkers.addSet(fActiveTraceMarkers); |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { |
| this->removeGpuTraceMarker(&(*iter)); |
| } |
| } |
| } |
| |
| void GrDrawTarget::restoreActiveTraceMarkers() { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(0 == fActiveTraceMarkers.count()); |
| for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) { |
| this->addGpuTraceMarker(&(*iter)); |
| } |
| for (TMIter iter = fActiveTraceMarkers.begin(); iter != fActiveTraceMarkers.end(); ++iter) { |
| this->fStoredTraceMarkers.remove(*iter); |
| } |
| } |
| } |
| |
| void GrDrawTarget::addGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(fGpuTraceMarkerCount >= 0); |
| this->fActiveTraceMarkers.add(*marker); |
| ++fGpuTraceMarkerCount; |
| } |
| } |
| |
| void GrDrawTarget::removeGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| if (this->caps()->gpuTracingSupport()) { |
| SkASSERT(fGpuTraceMarkerCount >= 1); |
| this->fActiveTraceMarkers.remove(*marker); |
| --fGpuTraceMarkerCount; |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| namespace { |
| // returns true if the read/written rect intersects the src/dst and false if not. |
| bool clip_srcrect_and_dstpoint(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint, |
| SkIRect* clippedSrcRect, |
| SkIPoint* clippedDstPoint) { |
| *clippedSrcRect = srcRect; |
| *clippedDstPoint = dstPoint; |
| |
| // clip the left edge to src and dst bounds, adjusting dstPoint if necessary |
| if (clippedSrcRect->fLeft < 0) { |
| clippedDstPoint->fX -= clippedSrcRect->fLeft; |
| clippedSrcRect->fLeft = 0; |
| } |
| if (clippedDstPoint->fX < 0) { |
| clippedSrcRect->fLeft -= clippedDstPoint->fX; |
| clippedDstPoint->fX = 0; |
| } |
| |
| // clip the top edge to src and dst bounds, adjusting dstPoint if necessary |
| if (clippedSrcRect->fTop < 0) { |
| clippedDstPoint->fY -= clippedSrcRect->fTop; |
| clippedSrcRect->fTop = 0; |
| } |
| if (clippedDstPoint->fY < 0) { |
| clippedSrcRect->fTop -= clippedDstPoint->fY; |
| clippedDstPoint->fY = 0; |
| } |
| |
| // clip the right edge to the src and dst bounds. |
| if (clippedSrcRect->fRight > src->width()) { |
| clippedSrcRect->fRight = src->width(); |
| } |
| if (clippedDstPoint->fX + clippedSrcRect->width() > dst->width()) { |
| clippedSrcRect->fRight = clippedSrcRect->fLeft + dst->width() - clippedDstPoint->fX; |
| } |
| |
| // clip the bottom edge to the src and dst bounds. |
| if (clippedSrcRect->fBottom > src->height()) { |
| clippedSrcRect->fBottom = src->height(); |
| } |
| if (clippedDstPoint->fY + clippedSrcRect->height() > dst->height()) { |
| clippedSrcRect->fBottom = clippedSrcRect->fTop + dst->height() - clippedDstPoint->fY; |
| } |
| |
| // The above clipping steps may have inverted the rect if it didn't intersect either the src or |
| // dst bounds. |
| return !clippedSrcRect->isEmpty(); |
| } |
| } |
| |
| bool GrDrawTarget::copySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| SkASSERT(dst); |
| SkASSERT(src); |
| |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| // If the rect is outside the src or dst then we've already succeeded. |
| if (!clip_srcrect_and_dstpoint(dst, |
| src, |
| srcRect, |
| dstPoint, |
| &clippedSrcRect, |
| &clippedDstPoint)) { |
| return true; |
| } |
| |
| if (this->getGpu()->canCopySurface(dst, src, clippedSrcRect, clippedDstPoint)) { |
| this->onCopySurface(dst, src, clippedSrcRect, clippedDstPoint); |
| return true; |
| } |
| |
| GrRenderTarget* rt = dst->asRenderTarget(); |
| GrTexture* tex = src->asTexture(); |
| |
| if ((dst == src) || !rt || !tex) { |
| return false; |
| } |
| |
| GrPipelineBuilder pipelineBuilder; |
| pipelineBuilder.setRenderTarget(rt); |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(clippedSrcRect.fLeft - clippedDstPoint.fX), |
| SkIntToScalar(clippedSrcRect.fTop - clippedDstPoint.fY)); |
| matrix.postIDiv(tex->width(), tex->height()); |
| pipelineBuilder.addColorTextureProcessor(tex, matrix); |
| SkIRect dstRect = SkIRect::MakeXYWH(clippedDstPoint.fX, |
| clippedDstPoint.fY, |
| clippedSrcRect.width(), |
| clippedSrcRect.height()); |
| this->drawSimpleRect(&pipelineBuilder, GrColor_WHITE, SkMatrix::I(), dstRect); |
| return true; |
| } |
| |
| bool GrDrawTarget::canCopySurface(const GrSurface* dst, |
| const GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| SkASSERT(dst); |
| SkASSERT(src); |
| |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| // If the rect is outside the src or dst then we're guaranteed success |
| if (!clip_srcrect_and_dstpoint(dst, |
| src, |
| srcRect, |
| dstPoint, |
| &clippedSrcRect, |
| &clippedDstPoint)) { |
| return true; |
| } |
| return ((dst != src) && dst->asRenderTarget() && src->asTexture()) || |
| this->getGpu()->canCopySurface(dst, src, clippedSrcRect, clippedDstPoint); |
| } |
| |
| void GrDrawTarget::setupPipeline(const PipelineInfo& pipelineInfo, |
| GrPipeline* pipeline) { |
| SkNEW_PLACEMENT_ARGS(pipeline, GrPipeline, (*pipelineInfo.fPipelineBuilder, |
| pipelineInfo.fColorPOI, |
| pipelineInfo.fCoveragePOI, |
| *this->caps(), |
| *pipelineInfo.fScissor, |
| &pipelineInfo.fDstCopy)); |
| } |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| GrDrawTarget::PipelineInfo::PipelineInfo(GrPipelineBuilder* pipelineBuilder, |
| GrScissorState* scissor, |
| const GrPrimitiveProcessor* primProc, |
| const SkRect* devBounds, |
| GrDrawTarget* target) |
| : fPipelineBuilder(pipelineBuilder) |
| , fScissor(scissor) { |
| fColorPOI = fPipelineBuilder->colorProcInfo(primProc); |
| fCoveragePOI = fPipelineBuilder->coverageProcInfo(primProc); |
| if (!target->setupDstReadIfNecessary(*fPipelineBuilder, fColorPOI, fCoveragePOI, |
| &fDstCopy, devBounds)) { |
| fPipelineBuilder = NULL; |
| } |
| } |
| |
| GrDrawTarget::PipelineInfo::PipelineInfo(GrPipelineBuilder* pipelineBuilder, |
| GrScissorState* scissor, |
| const GrBatch* batch, |
| const SkRect* devBounds, |
| GrDrawTarget* target) |
| : fPipelineBuilder(pipelineBuilder) |
| , fScissor(scissor) { |
| fColorPOI = fPipelineBuilder->colorProcInfo(batch); |
| fCoveragePOI = fPipelineBuilder->coverageProcInfo(batch); |
| if (!target->setupDstReadIfNecessary(*fPipelineBuilder, fColorPOI, fCoveragePOI, |
| &fDstCopy, devBounds)) { |
| fPipelineBuilder = NULL; |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrShaderCaps::reset() { |
| fShaderDerivativeSupport = false; |
| fGeometryShaderSupport = false; |
| fPathRenderingSupport = false; |
| fDstReadInShaderSupport = false; |
| fDualSourceBlendingSupport = false; |
| |
| fShaderPrecisionVaries = false; |
| } |
| |
| GrShaderCaps& GrShaderCaps::operator=(const GrShaderCaps& other) { |
| fShaderDerivativeSupport = other.fShaderDerivativeSupport; |
| fGeometryShaderSupport = other.fGeometryShaderSupport; |
| fPathRenderingSupport = other.fPathRenderingSupport; |
| fDstReadInShaderSupport = other.fDstReadInShaderSupport; |
| fDualSourceBlendingSupport = other.fDualSourceBlendingSupport; |
| |
| fShaderPrecisionVaries = other.fShaderPrecisionVaries; |
| for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
| fFloatPrecisions[s][p] = other.fFloatPrecisions[s][p]; |
| } |
| } |
| return *this; |
| } |
| |
| static const char* shader_type_to_string(GrShaderType type) { |
| switch (type) { |
| case kVertex_GrShaderType: |
| return "vertex"; |
| case kGeometry_GrShaderType: |
| return "geometry"; |
| case kFragment_GrShaderType: |
| return "fragment"; |
| } |
| return ""; |
| } |
| |
| static const char* precision_to_string(GrSLPrecision p) { |
| switch (p) { |
| case kLow_GrSLPrecision: |
| return "low"; |
| case kMedium_GrSLPrecision: |
| return "medium"; |
| case kHigh_GrSLPrecision: |
| return "high"; |
| } |
| return ""; |
| } |
| |
| SkString GrShaderCaps::dump() const { |
| SkString r; |
| static const char* gNY[] = { "NO", "YES" }; |
| r.appendf("Shader Derivative Support : %s\n", gNY[fShaderDerivativeSupport]); |
| r.appendf("Geometry Shader Support : %s\n", gNY[fGeometryShaderSupport]); |
| r.appendf("Path Rendering Support : %s\n", gNY[fPathRenderingSupport]); |
| r.appendf("Dst Read In Shader Support : %s\n", gNY[fDstReadInShaderSupport]); |
| r.appendf("Dual Source Blending Support : %s\n", gNY[fDualSourceBlendingSupport]); |
| |
| r.appendf("Shader Float Precisions (varies: %s):\n", gNY[fShaderPrecisionVaries]); |
| |
| for (int s = 0; s < kGrShaderTypeCount; ++s) { |
| GrShaderType shaderType = static_cast<GrShaderType>(s); |
| r.appendf("\t%s:\n", shader_type_to_string(shaderType)); |
| for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
| if (fFloatPrecisions[s][p].supported()) { |
| GrSLPrecision precision = static_cast<GrSLPrecision>(p); |
| r.appendf("\t\t%s: log_low: %d log_high: %d bits: %d\n", |
| precision_to_string(precision), |
| fFloatPrecisions[s][p].fLogRangeLow, |
| fFloatPrecisions[s][p].fLogRangeHigh, |
| fFloatPrecisions[s][p].fBits); |
| } |
| } |
| } |
| |
| return r; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrCaps::reset() { |
| fMipMapSupport = false; |
| fNPOTTextureTileSupport = false; |
| fTwoSidedStencilSupport = false; |
| fStencilWrapOpsSupport = false; |
| fDiscardRenderTargetSupport = false; |
| fReuseScratchTextures = true; |
| fGpuTracingSupport = false; |
| fCompressedTexSubImageSupport = false; |
| fOversizedStencilSupport = false; |
| fTextureBarrierSupport = false; |
| |
| fUseDrawInsteadOfClear = false; |
| |
| fBlendEquationSupport = kBasic_BlendEquationSupport; |
| fMapBufferFlags = kNone_MapFlags; |
| |
| fMaxRenderTargetSize = 0; |
| fMaxTextureSize = 0; |
| fMaxSampleCount = 0; |
| |
| memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport)); |
| memset(fConfigTextureSupport, 0, sizeof(fConfigTextureSupport)); |
| } |
| |
| GrCaps& GrCaps::operator=(const GrCaps& other) { |
| fMipMapSupport = other.fMipMapSupport; |
| fNPOTTextureTileSupport = other.fNPOTTextureTileSupport; |
| fTwoSidedStencilSupport = other.fTwoSidedStencilSupport; |
| fStencilWrapOpsSupport = other.fStencilWrapOpsSupport; |
| fDiscardRenderTargetSupport = other.fDiscardRenderTargetSupport; |
| fReuseScratchTextures = other.fReuseScratchTextures; |
| fGpuTracingSupport = other.fGpuTracingSupport; |
| fCompressedTexSubImageSupport = other.fCompressedTexSubImageSupport; |
| fOversizedStencilSupport = other.fOversizedStencilSupport; |
| fTextureBarrierSupport = other.fTextureBarrierSupport; |
| |
| fUseDrawInsteadOfClear = other.fUseDrawInsteadOfClear; |
| |
| fBlendEquationSupport = other.fBlendEquationSupport; |
| fMapBufferFlags = other.fMapBufferFlags; |
| |
| fMaxRenderTargetSize = other.fMaxRenderTargetSize; |
| fMaxTextureSize = other.fMaxTextureSize; |
| fMaxSampleCount = other.fMaxSampleCount; |
| |
| memcpy(fConfigRenderSupport, other.fConfigRenderSupport, sizeof(fConfigRenderSupport)); |
| memcpy(fConfigTextureSupport, other.fConfigTextureSupport, sizeof(fConfigTextureSupport)); |
| |
| return *this; |
| } |
| |
| 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("Two Sided Stencil Support : %s\n", gNY[fTwoSidedStencilSupport]); |
| r.appendf("Stencil Wrap Ops Support : %s\n", gNY[fStencilWrapOpsSupport]); |
| r.appendf("Discard Render Target Support : %s\n", gNY[fDiscardRenderTargetSupport]); |
| r.appendf("Reuse Scratch Textures : %s\n", gNY[fReuseScratchTextures]); |
| r.appendf("Gpu Tracing Support : %s\n", gNY[fGpuTracingSupport]); |
| r.appendf("Compressed Update Support : %s\n", gNY[fCompressedTexSubImageSupport]); |
| r.appendf("Oversized Stencil Support : %s\n", gNY[fOversizedStencilSupport]); |
| r.appendf("Texture Barrier Support : %s\n", gNY[fTextureBarrierSupport]); |
| r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]); |
| |
| r.appendf("Max Texture Size : %d\n", fMaxTextureSize); |
| r.appendf("Max Render Target Size : %d\n", fMaxRenderTargetSize); |
| r.appendf("Max Sample Count : %d\n", fMaxSampleCount); |
| |
| 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()); |
| |
| static const char* kConfigNames[] = { |
| "Unknown", // kUnknown_GrPixelConfig |
| "Alpha8", // kAlpha_8_GrPixelConfig, |
| "Index8", // kIndex_8_GrPixelConfig, |
| "RGB565", // kRGB_565_GrPixelConfig, |
| "RGBA444", // kRGBA_4444_GrPixelConfig, |
| "RGBA8888", // kRGBA_8888_GrPixelConfig, |
| "BGRA8888", // kBGRA_8888_GrPixelConfig, |
| "SRGBA8888",// kSRGBA_8888_GrPixelConfig, |
| "ETC1", // kETC1_GrPixelConfig, |
| "LATC", // kLATC_GrPixelConfig, |
| "R11EAC", // kR11_EAC_GrPixelConfig, |
| "ASTC12x12",// kASTC_12x12_GrPixelConfig, |
| "RGBAFloat",// kRGBA_float_GrPixelConfig |
| "AlphaHalf",// kAlpha_half_GrPixelConfig |
| }; |
| GR_STATIC_ASSERT(0 == kUnknown_GrPixelConfig); |
| GR_STATIC_ASSERT(1 == kAlpha_8_GrPixelConfig); |
| GR_STATIC_ASSERT(2 == kIndex_8_GrPixelConfig); |
| GR_STATIC_ASSERT(3 == kRGB_565_GrPixelConfig); |
| GR_STATIC_ASSERT(4 == kRGBA_4444_GrPixelConfig); |
| GR_STATIC_ASSERT(5 == kRGBA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(6 == kBGRA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(7 == kSRGBA_8888_GrPixelConfig); |
| GR_STATIC_ASSERT(8 == kETC1_GrPixelConfig); |
| GR_STATIC_ASSERT(9 == kLATC_GrPixelConfig); |
| GR_STATIC_ASSERT(10 == kR11_EAC_GrPixelConfig); |
| GR_STATIC_ASSERT(11 == kASTC_12x12_GrPixelConfig); |
| GR_STATIC_ASSERT(12 == kRGBA_float_GrPixelConfig); |
| GR_STATIC_ASSERT(13 == kAlpha_half_GrPixelConfig); |
| GR_STATIC_ASSERT(SK_ARRAY_COUNT(kConfigNames) == kGrPixelConfigCnt); |
| |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][0]); |
| SkASSERT(!fConfigRenderSupport[kUnknown_GrPixelConfig][1]); |
| |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { |
| r.appendf("%s is renderable: %s, with MSAA: %s\n", |
| kConfigNames[i], |
| gNY[fConfigRenderSupport[i][0]], |
| gNY[fConfigRenderSupport[i][1]]); |
| } |
| |
| SkASSERT(!fConfigTextureSupport[kUnknown_GrPixelConfig]); |
| |
| for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i) { |
| r.appendf("%s is uploadable to a texture: %s\n", |
| kConfigNames[i], |
| gNY[fConfigTextureSupport[i]]); |
| } |
| |
| return r; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrClipTarget::setupClip(GrPipelineBuilder* pipelineBuilder, |
| GrPipelineBuilder::AutoRestoreFragmentProcessors* arfp, |
| GrPipelineBuilder::AutoRestoreStencil* ars, |
| GrScissorState* scissorState, |
| const SkRect* devBounds) { |
| return fClipMaskManager.setupClipping(pipelineBuilder, |
| arfp, |
| ars, |
| scissorState, |
| devBounds); |
| } |
