| |
| /* |
| * 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 "GrContext.h" |
| |
| #include "GrAARectRenderer.h" |
| #include "GrBatch.h" |
| #include "GrBatchFontCache.h" |
| #include "GrBatchTarget.h" |
| #include "GrBitmapTextContext.h" |
| #include "GrBufferAllocPool.h" |
| #include "GrDefaultGeoProcFactory.h" |
| #include "GrFontCache.h" |
| #include "GrGpuResource.h" |
| #include "GrGpuResourcePriv.h" |
| #include "GrDistanceFieldTextContext.h" |
| #include "GrDrawTargetCaps.h" |
| #include "GrGpu.h" |
| #include "GrIndexBuffer.h" |
| #include "GrInOrderDrawBuffer.h" |
| #include "GrLayerCache.h" |
| #include "GrOvalRenderer.h" |
| #include "GrPathRenderer.h" |
| #include "GrPathUtils.h" |
| #include "GrRenderTargetPriv.h" |
| #include "GrResourceCache.h" |
| #include "GrSoftwarePathRenderer.h" |
| #include "GrStencilAndCoverTextContext.h" |
| #include "GrStrokeInfo.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTexturePriv.h" |
| #include "GrTraceMarker.h" |
| #include "GrTracing.h" |
| #include "SkDashPathPriv.h" |
| #include "SkConfig8888.h" |
| #include "SkGr.h" |
| #include "SkRRect.h" |
| #include "SkStrokeRec.h" |
| #include "SkTLazy.h" |
| #include "SkTLS.h" |
| #include "SkTraceEvent.h" |
| |
| #include "effects/GrConfigConversionEffect.h" |
| #include "effects/GrDashingEffect.h" |
| #include "effects/GrSingleTextureEffect.h" |
| |
| static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; |
| static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| |
| static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; |
| static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; |
| |
| #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this) |
| #define RETURN_IF_ABANDONED if (!fDrawBuffer) { return; } |
| #define RETURN_FALSE_IF_ABANDONED if (!fDrawBuffer) { return false; } |
| #define RETURN_NULL_IF_ABANDONED if (!fDrawBuffer) { return NULL; } |
| |
| class GrContext::AutoCheckFlush { |
| public: |
| AutoCheckFlush(GrContext* context) : fContext(context) { SkASSERT(context); } |
| |
| ~AutoCheckFlush() { |
| if (fContext->fFlushToReduceCacheSize) { |
| fContext->flush(); |
| } |
| } |
| |
| private: |
| GrContext* fContext; |
| }; |
| |
| GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext, |
| const Options* opts) { |
| GrContext* context; |
| if (NULL == opts) { |
| context = SkNEW_ARGS(GrContext, (Options())); |
| } else { |
| context = SkNEW_ARGS(GrContext, (*opts)); |
| } |
| |
| if (context->init(backend, backendContext)) { |
| return context; |
| } else { |
| context->unref(); |
| return NULL; |
| } |
| } |
| |
| GrContext::GrContext(const Options& opts) : fOptions(opts) { |
| fGpu = NULL; |
| fPathRendererChain = NULL; |
| fSoftwarePathRenderer = NULL; |
| fResourceCache = NULL; |
| fBatchFontCache = NULL; |
| fFontCache = NULL; |
| fDrawBuffer = NULL; |
| fDrawBufferVBAllocPool = NULL; |
| fDrawBufferIBAllocPool = NULL; |
| fFlushToReduceCacheSize = false; |
| fAARectRenderer = NULL; |
| fOvalRenderer = NULL; |
| fMaxTextureSizeOverride = 1 << 20; |
| } |
| |
| bool GrContext::init(GrBackend backend, GrBackendContext backendContext) { |
| SkASSERT(NULL == fGpu); |
| |
| fGpu = GrGpu::Create(backend, backendContext, this); |
| if (NULL == fGpu) { |
| return false; |
| } |
| this->initCommon(); |
| return true; |
| } |
| |
| void GrContext::initCommon() { |
| fResourceCache = SkNEW(GrResourceCache); |
| fResourceCache->setOverBudgetCallback(OverBudgetCB, this); |
| |
| fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
| |
| fLayerCache.reset(SkNEW_ARGS(GrLayerCache, (this))); |
| |
| fAARectRenderer = SkNEW_ARGS(GrAARectRenderer, (fGpu)); |
| fOvalRenderer = SkNEW_ARGS(GrOvalRenderer, (fGpu)); |
| |
| fDidTestPMConversions = false; |
| |
| this->setupDrawBuffer(); |
| |
| // GrBatchFontCache will eventually replace GrFontCache |
| fBatchFontCache = SkNEW(GrBatchFontCache); |
| fBatchFontCache->init(this); |
| } |
| |
| GrContext::~GrContext() { |
| if (NULL == fGpu) { |
| return; |
| } |
| |
| this->flush(); |
| |
| for (int i = 0; i < fCleanUpData.count(); ++i) { |
| (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| } |
| |
| SkDELETE(fResourceCache); |
| SkDELETE(fBatchFontCache); |
| SkDELETE(fFontCache); |
| SkDELETE(fDrawBuffer); |
| SkDELETE(fDrawBufferVBAllocPool); |
| SkDELETE(fDrawBufferIBAllocPool); |
| |
| fAARectRenderer->unref(); |
| fOvalRenderer->unref(); |
| |
| fGpu->unref(); |
| SkSafeUnref(fPathRendererChain); |
| SkSafeUnref(fSoftwarePathRenderer); |
| } |
| |
| void GrContext::abandonContext() { |
| // abandon first to so destructors |
| // don't try to free the resources in the API. |
| fResourceCache->abandonAll(); |
| |
| fGpu->contextAbandoned(); |
| |
| // a path renderer may be holding onto resources that |
| // are now unusable |
| SkSafeSetNull(fPathRendererChain); |
| SkSafeSetNull(fSoftwarePathRenderer); |
| |
| delete fDrawBuffer; |
| fDrawBuffer = NULL; |
| |
| delete fDrawBufferVBAllocPool; |
| fDrawBufferVBAllocPool = NULL; |
| |
| delete fDrawBufferIBAllocPool; |
| fDrawBufferIBAllocPool = NULL; |
| |
| fAARectRenderer->reset(); |
| fOvalRenderer->reset(); |
| |
| fBatchFontCache->freeAll(); |
| fFontCache->freeAll(); |
| fLayerCache->freeAll(); |
| } |
| |
| void GrContext::resetContext(uint32_t state) { |
| fGpu->markContextDirty(state); |
| } |
| |
| void GrContext::freeGpuResources() { |
| this->flush(); |
| |
| if (fDrawBuffer) { |
| fDrawBuffer->purgeResources(); |
| } |
| |
| fAARectRenderer->reset(); |
| fOvalRenderer->reset(); |
| |
| fBatchFontCache->freeAll(); |
| fFontCache->freeAll(); |
| fLayerCache->freeAll(); |
| // a path renderer may be holding onto resources |
| SkSafeSetNull(fPathRendererChain); |
| SkSafeSetNull(fSoftwarePathRenderer); |
| } |
| |
| void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const { |
| if (resourceCount) { |
| *resourceCount = fResourceCache->getBudgetedResourceCount(); |
| } |
| if (resourceBytes) { |
| *resourceBytes = fResourceCache->getBudgetedResourceBytes(); |
| } |
| } |
| |
| GrTextContext* GrContext::createTextContext(GrRenderTarget* renderTarget, |
| SkGpuDevice* gpuDevice, |
| const SkDeviceProperties& |
| leakyProperties, |
| bool enableDistanceFieldFonts) { |
| if (fGpu->caps()->pathRenderingSupport() && renderTarget->isMultisampled()) { |
| GrStencilBuffer* sb = renderTarget->renderTargetPriv().attachStencilBuffer(); |
| if (sb) { |
| return GrStencilAndCoverTextContext::Create(this, gpuDevice, leakyProperties); |
| } |
| } |
| |
| #ifdef USE_BITMAP_TEXTBLOBS |
| return GrBitmapTextContextB::Create(this, gpuDevice, leakyProperties); |
| #else |
| return GrDistanceFieldTextContext::Create(this, gpuDevice, leakyProperties, |
| enableDistanceFieldFonts); |
| #endif |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| enum ScratchTextureFlags { |
| kExact_ScratchTextureFlag = 0x1, |
| kNoPendingIO_ScratchTextureFlag = 0x2, |
| kNoCreate_ScratchTextureFlag = 0x4, |
| }; |
| |
| bool GrContext::isConfigTexturable(GrPixelConfig config) const { |
| return fGpu->caps()->isConfigTexturable(config); |
| } |
| |
| bool GrContext::npotTextureTileSupport() const { |
| return fGpu->caps()->npotTextureTileSupport(); |
| } |
| |
| GrTexture* GrContext::createTexture(const GrSurfaceDesc& desc, bool budgeted, const void* srcData, |
| size_t rowBytes) { |
| RETURN_NULL_IF_ABANDONED |
| if ((desc.fFlags & kRenderTarget_GrSurfaceFlag) && |
| !this->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) { |
| return NULL; |
| } |
| if (!GrPixelConfigIsCompressed(desc.fConfig)) { |
| static const uint32_t kFlags = kExact_ScratchTextureFlag | |
| kNoCreate_ScratchTextureFlag; |
| if (GrTexture* texture = this->internalRefScratchTexture(desc, kFlags)) { |
| if (!srcData || texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig, |
| srcData, rowBytes)) { |
| if (!budgeted) { |
| texture->resourcePriv().makeUnbudgeted(); |
| } |
| return texture; |
| } |
| texture->unref(); |
| } |
| } |
| return fGpu->createTexture(desc, budgeted, srcData, rowBytes); |
| } |
| |
| GrTexture* GrContext::refScratchTexture(const GrSurfaceDesc& desc, ScratchTexMatch match, |
| bool calledDuringFlush) { |
| RETURN_NULL_IF_ABANDONED |
| // Currently we don't recycle compressed textures as scratch. |
| if (GrPixelConfigIsCompressed(desc.fConfig)) { |
| return NULL; |
| } else { |
| uint32_t flags = 0; |
| if (kExact_ScratchTexMatch == match) { |
| flags |= kExact_ScratchTextureFlag; |
| } |
| if (calledDuringFlush) { |
| flags |= kNoPendingIO_ScratchTextureFlag; |
| } |
| return this->internalRefScratchTexture(desc, flags); |
| } |
| } |
| |
| GrTexture* GrContext::internalRefScratchTexture(const GrSurfaceDesc& inDesc, uint32_t flags) { |
| SkASSERT(!GrPixelConfigIsCompressed(inDesc.fConfig)); |
| |
| SkTCopyOnFirstWrite<GrSurfaceDesc> desc(inDesc); |
| |
| if (fGpu->caps()->reuseScratchTextures() || (desc->fFlags & kRenderTarget_GrSurfaceFlag)) { |
| if (!(kExact_ScratchTextureFlag & flags)) { |
| // bin by pow2 with a reasonable min |
| static const int MIN_SIZE = 16; |
| GrSurfaceDesc* wdesc = desc.writable(); |
| wdesc->fWidth = SkTMax(MIN_SIZE, GrNextPow2(desc->fWidth)); |
| wdesc->fHeight = SkTMax(MIN_SIZE, GrNextPow2(desc->fHeight)); |
| } |
| |
| GrScratchKey key; |
| GrTexturePriv::ComputeScratchKey(*desc, &key); |
| uint32_t scratchFlags = 0; |
| if (kNoPendingIO_ScratchTextureFlag & flags) { |
| scratchFlags = GrResourceCache::kRequireNoPendingIO_ScratchFlag; |
| } else if (!(desc->fFlags & kRenderTarget_GrSurfaceFlag)) { |
| // If it is not a render target then it will most likely be populated by |
| // writePixels() which will trigger a flush if the texture has pending IO. |
| scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag; |
| } |
| GrGpuResource* resource = fResourceCache->findAndRefScratchResource(key, scratchFlags); |
| if (resource) { |
| GrSurface* surface = static_cast<GrSurface*>(resource); |
| GrRenderTarget* rt = surface->asRenderTarget(); |
| if (rt && fGpu->caps()->discardRenderTargetSupport()) { |
| rt->discard(); |
| } |
| return surface->asTexture(); |
| } |
| } |
| |
| if (!(kNoCreate_ScratchTextureFlag & flags)) { |
| return fGpu->createTexture(*desc, true, NULL, 0); |
| } |
| |
| return NULL; |
| } |
| |
| void GrContext::OverBudgetCB(void* data) { |
| SkASSERT(data); |
| |
| GrContext* context = reinterpret_cast<GrContext*>(data); |
| |
| // Flush the InOrderDrawBuffer to possibly free up some textures |
| context->fFlushToReduceCacheSize = true; |
| } |
| |
| int GrContext::getMaxTextureSize() const { |
| return SkTMin(fGpu->caps()->maxTextureSize(), fMaxTextureSizeOverride); |
| } |
| |
| int GrContext::getMaxRenderTargetSize() const { |
| return fGpu->caps()->maxRenderTargetSize(); |
| } |
| |
| int GrContext::getMaxSampleCount() const { |
| return fGpu->caps()->maxSampleCount(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) { |
| RETURN_NULL_IF_ABANDONED |
| return fGpu->wrapBackendTexture(desc); |
| } |
| |
| GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) { |
| RETURN_NULL_IF_ABANDONED |
| return fGpu->wrapBackendRenderTarget(desc); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::clear(const SkIRect* rect, |
| const GrColor color, |
| bool canIgnoreRect, |
| GrRenderTarget* renderTarget) { |
| RETURN_IF_ABANDONED |
| ASSERT_OWNED_RESOURCE(renderTarget); |
| SkASSERT(renderTarget); |
| |
| AutoCheckFlush acf(this); |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrContext::clear", this); |
| GrDrawTarget* target = this->prepareToDraw(); |
| if (NULL == target) { |
| return; |
| } |
| target->clear(rect, color, canIgnoreRect, renderTarget); |
| } |
| |
| void GrContext::drawPaint(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& origPaint, |
| const SkMatrix& viewMatrix) { |
| RETURN_IF_ABANDONED |
| // set rect to be big enough to fill the space, but not super-huge, so we |
| // don't overflow fixed-point implementations |
| SkRect r; |
| r.setLTRB(0, 0, |
| SkIntToScalar(rt->width()), |
| SkIntToScalar(rt->height())); |
| SkTCopyOnFirstWrite<GrPaint> paint(origPaint); |
| |
| // by definition this fills the entire clip, no need for AA |
| if (paint->isAntiAlias()) { |
| paint.writable()->setAntiAlias(false); |
| } |
| |
| bool isPerspective = viewMatrix.hasPerspective(); |
| |
| // We attempt to map r by the inverse matrix and draw that. mapRect will |
| // map the four corners and bound them with a new rect. This will not |
| // produce a correct result for some perspective matrices. |
| if (!isPerspective) { |
| SkMatrix inverse; |
| if (!viewMatrix.invert(&inverse)) { |
| SkDebugf("Could not invert matrix\n"); |
| return; |
| } |
| inverse.mapRect(&r); |
| this->drawRect(rt, clip, *paint, viewMatrix, r); |
| } else { |
| SkMatrix localMatrix; |
| if (!viewMatrix.invert(&localMatrix)) { |
| SkDebugf("Could not invert matrix\n"); |
| return; |
| } |
| |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawPaintWithPerspective", target); |
| target->drawRect(&pipelineBuilder, |
| paint->getColor(), |
| SkMatrix::I(), |
| r, |
| NULL, |
| &localMatrix); |
| } |
| } |
| |
| #ifdef SK_DEVELOPER |
| void GrContext::dumpFontCache() const { |
| fFontCache->dump(); |
| } |
| #endif |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| static inline bool is_irect(const SkRect& r) { |
| return SkScalarIsInt(r.fLeft) && SkScalarIsInt(r.fTop) && |
| SkScalarIsInt(r.fRight) && SkScalarIsInt(r.fBottom); |
| } |
| |
| static bool apply_aa_to_rect(GrDrawTarget* target, |
| GrPipelineBuilder* pipelineBuilder, |
| SkRect* devBoundRect, |
| const SkRect& rect, |
| SkScalar strokeWidth, |
| const SkMatrix& combinedMatrix, |
| GrColor color) { |
| if (pipelineBuilder->getRenderTarget()->isMultisampled()) { |
| return false; |
| } |
| |
| #if defined(SHADER_AA_FILL_RECT) || !defined(IGNORE_ROT_AA_RECT_OPT) |
| if (strokeWidth >= 0) { |
| #endif |
| if (!combinedMatrix.preservesAxisAlignment()) { |
| return false; |
| } |
| |
| #if defined(SHADER_AA_FILL_RECT) || !defined(IGNORE_ROT_AA_RECT_OPT) |
| } else { |
| if (!combinedMatrix.preservesRightAngles()) { |
| return false; |
| } |
| } |
| #endif |
| |
| combinedMatrix.mapRect(devBoundRect, rect); |
| if (!combinedMatrix.rectStaysRect()) { |
| return true; |
| } |
| |
| if (strokeWidth < 0) { |
| return !is_irect(*devBoundRect); |
| } |
| |
| return true; |
| } |
| |
| static inline bool rect_contains_inclusive(const SkRect& rect, const SkPoint& point) { |
| return point.fX >= rect.fLeft && point.fX <= rect.fRight && |
| point.fY >= rect.fTop && point.fY <= rect.fBottom; |
| } |
| |
| class StrokeRectBatch : public GrBatch { |
| public: |
| struct Geometry { |
| GrColor fColor; |
| SkMatrix fViewMatrix; |
| SkRect fRect; |
| SkScalar fStrokeWidth; |
| }; |
| |
| static GrBatch* Create(const Geometry& geometry) { |
| return SkNEW_ARGS(StrokeRectBatch, (geometry)); |
| } |
| |
| const char* name() const override { return "StrokeRectBatch"; } |
| |
| void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
| // When this is called on a batch, there is only one geometry bundle |
| out->setKnownFourComponents(fGeoData[0].fColor); |
| } |
| |
| void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| out->setKnownSingleComponent(0xff); |
| } |
| |
| void initBatchTracker(const GrPipelineInfo& init) override { |
| // Handle any color overrides |
| if (init.fColorIgnored) { |
| fGeoData[0].fColor = GrColor_ILLEGAL; |
| } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| fGeoData[0].fColor = init.fOverrideColor; |
| } |
| |
| // setup batch properties |
| fBatch.fColorIgnored = init.fColorIgnored; |
| fBatch.fColor = fGeoData[0].fColor; |
| fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| } |
| |
| void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
| SkAutoTUnref<const GrGeometryProcessor> gp( |
| GrDefaultGeoProcFactory::Create(GrDefaultGeoProcFactory::kPosition_GPType, |
| this->color(), |
| this->viewMatrix(), |
| SkMatrix::I())); |
| |
| batchTarget->initDraw(gp, pipeline); |
| |
| // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| // everywhere we can remove this nastiness |
| GrPipelineInfo init; |
| init.fColorIgnored = fBatch.fColorIgnored; |
| init.fOverrideColor = GrColor_ILLEGAL; |
| init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| init.fUsesLocalCoords = this->usesLocalCoords(); |
| gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| |
| size_t vertexStride = gp->getVertexStride(); |
| |
| SkASSERT(vertexStride == sizeof(GrDefaultGeoProcFactory::PositionAttr)); |
| |
| Geometry& args = fGeoData[0]; |
| |
| int vertexCount = kVertsPerHairlineRect; |
| if (args.fStrokeWidth > 0) { |
| vertexCount = kVertsPerStrokeRect; |
| } |
| |
| const GrVertexBuffer* vertexBuffer; |
| int firstVertex; |
| |
| void* vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| vertexCount, |
| &vertexBuffer, |
| &firstVertex); |
| |
| if (!vertices) { |
| SkDebugf("Could not allocate vertices\n"); |
| return; |
| } |
| |
| SkPoint* vertex = reinterpret_cast<SkPoint*>(vertices); |
| |
| GrPrimitiveType primType; |
| |
| if (args.fStrokeWidth > 0) {; |
| primType = kTriangleStrip_GrPrimitiveType; |
| args.fRect.sort(); |
| this->setStrokeRectStrip(vertex, args.fRect, args.fStrokeWidth); |
| } else { |
| // hairline |
| primType = kLineStrip_GrPrimitiveType; |
| vertex[0].set(args.fRect.fLeft, args.fRect.fTop); |
| vertex[1].set(args.fRect.fRight, args.fRect.fTop); |
| vertex[2].set(args.fRect.fRight, args.fRect.fBottom); |
| vertex[3].set(args.fRect.fLeft, args.fRect.fBottom); |
| vertex[4].set(args.fRect.fLeft, args.fRect.fTop); |
| } |
| |
| GrDrawTarget::DrawInfo drawInfo; |
| drawInfo.setPrimitiveType(primType); |
| drawInfo.setVertexBuffer(vertexBuffer); |
| drawInfo.setStartVertex(firstVertex); |
| drawInfo.setVertexCount(vertexCount); |
| drawInfo.setStartIndex(0); |
| drawInfo.setIndexCount(0); |
| drawInfo.setInstanceCount(0); |
| drawInfo.setVerticesPerInstance(0); |
| drawInfo.setIndicesPerInstance(0); |
| batchTarget->draw(drawInfo); |
| } |
| |
| SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| |
| private: |
| StrokeRectBatch(const Geometry& geometry) { |
| this->initClassID<StrokeRectBatch>(); |
| |
| fBatch.fHairline = geometry.fStrokeWidth == 0; |
| |
| fGeoData.push_back(geometry); |
| } |
| |
| /* create a triangle strip that strokes the specified rect. There are 8 |
| unique vertices, but we repeat the last 2 to close up. Alternatively we |
| could use an indices array, and then only send 8 verts, but not sure that |
| would be faster. |
| */ |
| void setStrokeRectStrip(SkPoint verts[10], const SkRect& rect, SkScalar width) { |
| const SkScalar rad = SkScalarHalf(width); |
| // TODO we should be able to enable this assert, but we'd have to filter these draws |
| // this is a bug |
| //SkASSERT(rad < rect.width() / 2 && rad < rect.height() / 2); |
| |
| verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| verts[8] = verts[0]; |
| verts[9] = verts[1]; |
| } |
| |
| |
| GrColor color() const { return fBatch.fColor; } |
| bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| bool colorIgnored() const { return fBatch.fColorIgnored; } |
| const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| bool hairline() const { return fBatch.fHairline; } |
| |
| bool onCombineIfPossible(GrBatch* t) override { |
| // StrokeRectBatch* that = t->cast<StrokeRectBatch>(); |
| |
| // NonAA stroke rects cannot batch right now |
| // TODO make these batchable |
| return false; |
| } |
| |
| struct BatchTracker { |
| GrColor fColor; |
| bool fUsesLocalCoords; |
| bool fColorIgnored; |
| bool fCoverageIgnored; |
| bool fHairline; |
| }; |
| |
| const static int kVertsPerHairlineRect = 5; |
| const static int kVertsPerStrokeRect = 10; |
| |
| BatchTracker fBatch; |
| SkSTArray<1, Geometry, true> fGeoData; |
| }; |
| |
| void GrContext::drawRect(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkRect& rect, |
| const GrStrokeInfo* strokeInfo) { |
| RETURN_IF_ABANDONED |
| if (strokeInfo && strokeInfo->isDashed()) { |
| SkPath path; |
| path.addRect(rect); |
| this->drawPath(rt, clip, paint, viewMatrix, path, *strokeInfo); |
| return; |
| } |
| |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawRect", target); |
| SkScalar width = NULL == strokeInfo ? -1 : strokeInfo->getStrokeRec().getWidth(); |
| |
| // Check if this is a full RT draw and can be replaced with a clear. We don't bother checking |
| // cases where the RT is fully inside a stroke. |
| if (width < 0) { |
| SkRect rtRect; |
| pipelineBuilder.getRenderTarget()->getBoundsRect(&rtRect); |
| SkRect clipSpaceRTRect = rtRect; |
| bool checkClip = GrClip::kWideOpen_ClipType != clip.clipType(); |
| if (checkClip) { |
| clipSpaceRTRect.offset(SkIntToScalar(clip.origin().fX), |
| SkIntToScalar(clip.origin().fY)); |
| } |
| // Does the clip contain the entire RT? |
| if (!checkClip || clip.quickContains(clipSpaceRTRect)) { |
| SkMatrix invM; |
| if (!viewMatrix.invert(&invM)) { |
| return; |
| } |
| // Does the rect bound the RT? |
| SkPoint srcSpaceRTQuad[4]; |
| invM.mapRectToQuad(srcSpaceRTQuad, rtRect); |
| if (rect_contains_inclusive(rect, srcSpaceRTQuad[0]) && |
| rect_contains_inclusive(rect, srcSpaceRTQuad[1]) && |
| rect_contains_inclusive(rect, srcSpaceRTQuad[2]) && |
| rect_contains_inclusive(rect, srcSpaceRTQuad[3])) { |
| // Will it blend? |
| GrColor clearColor; |
| if (paint.isOpaqueAndConstantColor(&clearColor)) { |
| target->clear(NULL, clearColor, true, rt); |
| return; |
| } |
| } |
| } |
| } |
| |
| GrColor color = paint.getColor(); |
| SkRect devBoundRect; |
| bool needAA = paint.isAntiAlias() && !pipelineBuilder.getRenderTarget()->isMultisampled(); |
| bool doAA = needAA && apply_aa_to_rect(target, &pipelineBuilder, &devBoundRect, rect, width, |
| viewMatrix, color); |
| |
| if (doAA) { |
| if (width >= 0) { |
| const SkStrokeRec& strokeRec = strokeInfo->getStrokeRec(); |
| fAARectRenderer->strokeAARect(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| rect, |
| devBoundRect, |
| strokeRec); |
| } else { |
| // filled AA rect |
| fAARectRenderer->fillAARect(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| rect, |
| devBoundRect); |
| } |
| return; |
| } |
| |
| if (width >= 0) { |
| StrokeRectBatch::Geometry geometry; |
| geometry.fViewMatrix = viewMatrix; |
| geometry.fColor = color; |
| geometry.fRect = rect; |
| geometry.fStrokeWidth = width; |
| |
| SkAutoTUnref<GrBatch> batch(StrokeRectBatch::Create(geometry)); |
| |
| SkRect bounds = rect; |
| SkScalar rad = SkScalarHalf(width); |
| bounds.outset(rad, rad); |
| viewMatrix.mapRect(&bounds); |
| target->drawBatch(&pipelineBuilder, batch, &bounds); |
| } else { |
| // filled BW rect |
| target->drawSimpleRect(&pipelineBuilder, color, viewMatrix, rect); |
| } |
| } |
| |
| void GrContext::drawNonAARectToRect(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkRect& rectToDraw, |
| const SkRect& localRect, |
| const SkMatrix* localMatrix) { |
| RETURN_IF_ABANDONED |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawRectToRect", target); |
| |
| target->drawRect(&pipelineBuilder, |
| paint.getColor(), |
| viewMatrix, |
| rectToDraw, |
| &localRect, |
| localMatrix); |
| } |
| |
| static const GrGeometryProcessor* set_vertex_attributes(bool hasLocalCoords, |
| bool hasColors, |
| int* colorOffset, |
| int* texOffset, |
| GrColor color, |
| const SkMatrix& viewMatrix) { |
| *texOffset = -1; |
| *colorOffset = -1; |
| uint32_t flags = GrDefaultGeoProcFactory::kPosition_GPType; |
| if (hasLocalCoords && hasColors) { |
| *colorOffset = sizeof(SkPoint); |
| *texOffset = sizeof(SkPoint) + sizeof(GrColor); |
| flags |= GrDefaultGeoProcFactory::kColor_GPType | |
| GrDefaultGeoProcFactory::kLocalCoord_GPType; |
| } else if (hasLocalCoords) { |
| *texOffset = sizeof(SkPoint); |
| flags |= GrDefaultGeoProcFactory::kLocalCoord_GPType; |
| } else if (hasColors) { |
| *colorOffset = sizeof(SkPoint); |
| flags |= GrDefaultGeoProcFactory::kColor_GPType; |
| } |
| return GrDefaultGeoProcFactory::Create(flags, color, viewMatrix, SkMatrix::I()); |
| } |
| |
| class DrawVerticesBatch : public GrBatch { |
| public: |
| struct Geometry { |
| GrColor fColor; |
| SkTDArray<SkPoint> fPositions; |
| SkTDArray<uint16_t> fIndices; |
| SkTDArray<GrColor> fColors; |
| SkTDArray<SkPoint> fLocalCoords; |
| }; |
| |
| static GrBatch* Create(const Geometry& geometry, GrPrimitiveType primitiveType, |
| const SkMatrix& viewMatrix, |
| const SkPoint* positions, int vertexCount, |
| const uint16_t* indices, int indexCount, |
| const GrColor* colors, const SkPoint* localCoords) { |
| return SkNEW_ARGS(DrawVerticesBatch, (geometry, primitiveType, viewMatrix, positions, |
| vertexCount, indices, indexCount, colors, |
| localCoords)); |
| } |
| |
| const char* name() const override { return "DrawVerticesBatch"; } |
| |
| void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
| // When this is called on a batch, there is only one geometry bundle |
| if (this->hasColors()) { |
| out->setUnknownFourComponents(); |
| } else { |
| out->setKnownFourComponents(fGeoData[0].fColor); |
| } |
| } |
| |
| void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| out->setKnownSingleComponent(0xff); |
| } |
| |
| void initBatchTracker(const GrPipelineInfo& init) override { |
| // Handle any color overrides |
| if (init.fColorIgnored) { |
| fGeoData[0].fColor = GrColor_ILLEGAL; |
| } else if (GrColor_ILLEGAL != init.fOverrideColor) { |
| fGeoData[0].fColor = init.fOverrideColor; |
| } |
| |
| // setup batch properties |
| fBatch.fColorIgnored = init.fColorIgnored; |
| fBatch.fColor = fGeoData[0].fColor; |
| fBatch.fUsesLocalCoords = init.fUsesLocalCoords; |
| fBatch.fCoverageIgnored = init.fCoverageIgnored; |
| } |
| |
| void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline) override { |
| int colorOffset = -1, texOffset = -1; |
| SkAutoTUnref<const GrGeometryProcessor> gp( |
| set_vertex_attributes(this->hasLocalCoords(), this->hasColors(), &colorOffset, |
| &texOffset, this->color(), this->viewMatrix())); |
| |
| batchTarget->initDraw(gp, pipeline); |
| |
| // TODO this is hacky, but the only way we have to initialize the GP is to use the |
| // GrPipelineInfo struct so we can generate the correct shader. Once we have GrBatch |
| // everywhere we can remove this nastiness |
| GrPipelineInfo init; |
| init.fColorIgnored = fBatch.fColorIgnored; |
| init.fOverrideColor = GrColor_ILLEGAL; |
| init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| init.fUsesLocalCoords = this->usesLocalCoords(); |
| gp->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| |
| size_t vertexStride = gp->getVertexStride(); |
| |
| SkASSERT(vertexStride == sizeof(SkPoint) + (this->hasLocalCoords() ? sizeof(SkPoint) : 0) |
| + (this->hasColors() ? sizeof(GrColor) : 0)); |
| |
| int instanceCount = fGeoData.count(); |
| |
| const GrVertexBuffer* vertexBuffer; |
| int firstVertex; |
| |
| void* vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| this->vertexCount(), |
| &vertexBuffer, |
| &firstVertex); |
| |
| if (!vertices) { |
| SkDebugf("Could not allocate vertices\n"); |
| return; |
| } |
| |
| const GrIndexBuffer* indexBuffer; |
| int firstIndex; |
| |
| void* indices = NULL; |
| if (this->hasIndices()) { |
| indices = batchTarget->indexPool()->makeSpace(this->indexCount(), |
| &indexBuffer, |
| &firstIndex); |
| |
| if (!indices) { |
| SkDebugf("Could not allocate indices\n"); |
| return; |
| } |
| } |
| |
| int indexOffset = 0; |
| int vertexOffset = 0; |
| for (int i = 0; i < instanceCount; i++) { |
| const Geometry& args = fGeoData[i]; |
| |
| // TODO we can actually cache this interleaved and then just memcopy |
| if (this->hasIndices()) { |
| for (int j = 0; j < args.fIndices.count(); ++j, ++indexOffset) { |
| *((uint16_t*)indices + indexOffset) = args.fIndices[j] + vertexOffset; |
| } |
| } |
| |
| for (int j = 0; j < args.fPositions.count(); ++j) { |
| *((SkPoint*)vertices) = args.fPositions[j]; |
| if (this->hasColors()) { |
| *(GrColor*)((intptr_t)vertices + colorOffset) = args.fColors[j]; |
| } |
| if (this->hasLocalCoords()) { |
| *(SkPoint*)((intptr_t)vertices + texOffset) = args.fLocalCoords[j]; |
| } |
| vertices = (void*)((intptr_t)vertices + vertexStride); |
| vertexOffset++; |
| } |
| } |
| |
| GrDrawTarget::DrawInfo drawInfo; |
| drawInfo.setPrimitiveType(this->primitiveType()); |
| drawInfo.setVertexBuffer(vertexBuffer); |
| drawInfo.setStartVertex(firstVertex); |
| drawInfo.setVertexCount(this->vertexCount()); |
| if (this->hasIndices()) { |
| drawInfo.setIndexBuffer(indexBuffer); |
| drawInfo.setStartIndex(firstIndex); |
| drawInfo.setIndexCount(this->indexCount()); |
| } else { |
| drawInfo.setStartIndex(0); |
| drawInfo.setIndexCount(0); |
| } |
| batchTarget->draw(drawInfo); |
| } |
| |
| SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| |
| private: |
| DrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType, |
| const SkMatrix& viewMatrix, |
| const SkPoint* positions, int vertexCount, |
| const uint16_t* indices, int indexCount, |
| const GrColor* colors, const SkPoint* localCoords) { |
| this->initClassID<DrawVerticesBatch>(); |
| SkASSERT(positions); |
| |
| fBatch.fViewMatrix = viewMatrix; |
| Geometry& installedGeo = fGeoData.push_back(geometry); |
| |
| installedGeo.fPositions.append(vertexCount, positions); |
| if (indices) { |
| installedGeo.fIndices.append(indexCount, indices); |
| fBatch.fHasIndices = true; |
| } else { |
| fBatch.fHasIndices = false; |
| } |
| |
| if (colors) { |
| installedGeo.fColors.append(vertexCount, colors); |
| fBatch.fHasColors = true; |
| } else { |
| fBatch.fHasColors = false; |
| } |
| |
| if (localCoords) { |
| installedGeo.fLocalCoords.append(vertexCount, localCoords); |
| fBatch.fHasLocalCoords = true; |
| } else { |
| fBatch.fHasLocalCoords = false; |
| } |
| fBatch.fVertexCount = vertexCount; |
| fBatch.fIndexCount = indexCount; |
| fBatch.fPrimitiveType = primitiveType; |
| } |
| |
| GrPrimitiveType primitiveType() const { return fBatch.fPrimitiveType; } |
| bool batchablePrimitiveType() const { |
| return kTriangles_GrPrimitiveType == fBatch.fPrimitiveType || |
| kLines_GrPrimitiveType == fBatch.fPrimitiveType || |
| kPoints_GrPrimitiveType == fBatch.fPrimitiveType; |
| } |
| GrColor color() const { return fBatch.fColor; } |
| bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| bool colorIgnored() const { return fBatch.fColorIgnored; } |
| const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; } |
| bool hasColors() const { return fBatch.fHasColors; } |
| bool hasIndices() const { return fBatch.fHasIndices; } |
| bool hasLocalCoords() const { return fBatch.fHasLocalCoords; } |
| int vertexCount() const { return fBatch.fVertexCount; } |
| int indexCount() const { return fBatch.fIndexCount; } |
| |
| bool onCombineIfPossible(GrBatch* t) override { |
| DrawVerticesBatch* that = t->cast<DrawVerticesBatch>(); |
| |
| if (!this->batchablePrimitiveType() || this->primitiveType() != that->primitiveType()) { |
| return false; |
| } |
| |
| SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| |
| // We currently use a uniform viewmatrix for this batch |
| if (!this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| return false; |
| } |
| |
| if (this->hasColors() != that->hasColors()) { |
| return false; |
| } |
| |
| if (this->hasIndices() != that->hasIndices()) { |
| return false; |
| } |
| |
| if (this->hasLocalCoords() != that->hasLocalCoords()) { |
| return false; |
| } |
| |
| if (!this->hasColors() && this->color() != that->color()) { |
| return false; |
| } |
| |
| if (this->color() != that->color()) { |
| fBatch.fColor = GrColor_ILLEGAL; |
| } |
| fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
| fBatch.fVertexCount += that->vertexCount(); |
| fBatch.fIndexCount += that->indexCount(); |
| return true; |
| } |
| |
| struct BatchTracker { |
| GrPrimitiveType fPrimitiveType; |
| SkMatrix fViewMatrix; |
| GrColor fColor; |
| bool fUsesLocalCoords; |
| bool fColorIgnored; |
| bool fCoverageIgnored; |
| bool fHasColors; |
| bool fHasIndices; |
| bool fHasLocalCoords; |
| int fVertexCount; |
| int fIndexCount; |
| }; |
| |
| BatchTracker fBatch; |
| SkSTArray<1, Geometry, true> fGeoData; |
| }; |
| |
| void GrContext::drawVertices(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| GrPrimitiveType primitiveType, |
| int vertexCount, |
| const SkPoint positions[], |
| const SkPoint texCoords[], |
| const GrColor colors[], |
| const uint16_t indices[], |
| int indexCount) { |
| RETURN_IF_ABANDONED |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget::AutoReleaseGeometry geo; // must be inside AutoCheckFlush scope |
| |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawVertices", target); |
| |
| DrawVerticesBatch::Geometry geometry; |
| geometry.fColor = paint.getColor(); |
| |
| SkAutoTUnref<GrBatch> batch(DrawVerticesBatch::Create(geometry, primitiveType, viewMatrix, |
| positions, vertexCount, indices, |
| indexCount,colors, texCoords)); |
| |
| // TODO figure out bounds |
| target->drawBatch(&pipelineBuilder, batch, NULL); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::drawRRect(GrRenderTarget*rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkRRect& rrect, |
| const GrStrokeInfo& strokeInfo) { |
| RETURN_IF_ABANDONED |
| if (rrect.isEmpty()) { |
| return; |
| } |
| |
| if (strokeInfo.isDashed()) { |
| SkPath path; |
| path.addRRect(rrect); |
| this->drawPath(rt, clip, paint, viewMatrix, path, strokeInfo); |
| return; |
| } |
| |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawRRect", target); |
| |
| const SkStrokeRec& strokeRec = strokeInfo.getStrokeRec(); |
| |
| GrColor color = paint.getColor(); |
| if (!fOvalRenderer->drawRRect(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| paint.isAntiAlias(), |
| rrect, |
| strokeRec)) { |
| SkPath path; |
| path.addRRect(rrect); |
| this->internalDrawPath(target, &pipelineBuilder, viewMatrix, color, paint.isAntiAlias(), |
| path, strokeInfo); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::drawDRRect(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkRRect& outer, |
| const SkRRect& inner) { |
| RETURN_IF_ABANDONED |
| if (outer.isEmpty()) { |
| return; |
| } |
| |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawDRRect", target); |
| |
| GrColor color = paint.getColor(); |
| if (!fOvalRenderer->drawDRRect(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| paint.isAntiAlias(), |
| outer, |
| inner)) { |
| SkPath path; |
| path.addRRect(inner); |
| path.addRRect(outer); |
| path.setFillType(SkPath::kEvenOdd_FillType); |
| |
| GrStrokeInfo fillRec(SkStrokeRec::kFill_InitStyle); |
| this->internalDrawPath(target, &pipelineBuilder, viewMatrix, color, paint.isAntiAlias(), |
| path, fillRec); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::drawOval(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkRect& oval, |
| const GrStrokeInfo& strokeInfo) { |
| RETURN_IF_ABANDONED |
| if (oval.isEmpty()) { |
| return; |
| } |
| |
| if (strokeInfo.isDashed()) { |
| SkPath path; |
| path.addOval(oval); |
| this->drawPath(rt, clip, paint, viewMatrix, path, strokeInfo); |
| return; |
| } |
| |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER("GrContext::drawOval", target); |
| |
| const SkStrokeRec& strokeRec = strokeInfo.getStrokeRec(); |
| |
| GrColor color = paint.getColor(); |
| if (!fOvalRenderer->drawOval(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| paint.isAntiAlias(), |
| oval, |
| strokeRec)) { |
| SkPath path; |
| path.addOval(oval); |
| this->internalDrawPath(target, &pipelineBuilder, viewMatrix, color, paint.isAntiAlias(), |
| path, strokeInfo); |
| } |
| } |
| |
| // Can 'path' be drawn as a pair of filled nested rectangles? |
| static bool is_nested_rects(GrDrawTarget* target, |
| GrPipelineBuilder* pipelineBuilder, |
| GrColor color, |
| const SkMatrix& viewMatrix, |
| const SkPath& path, |
| const SkStrokeRec& stroke, |
| SkRect rects[2]) { |
| SkASSERT(stroke.isFillStyle()); |
| |
| if (path.isInverseFillType()) { |
| return false; |
| } |
| |
| // TODO: this restriction could be lifted if we were willing to apply |
| // the matrix to all the points individually rather than just to the rect |
| if (!viewMatrix.preservesAxisAlignment()) { |
| return false; |
| } |
| |
| SkPath::Direction dirs[2]; |
| if (!path.isNestedRects(rects, dirs)) { |
| return false; |
| } |
| |
| if (SkPath::kWinding_FillType == path.getFillType() && dirs[0] == dirs[1]) { |
| // The two rects need to be wound opposite to each other |
| return false; |
| } |
| |
| // Right now, nested rects where the margin is not the same width |
| // all around do not render correctly |
| const SkScalar* outer = rects[0].asScalars(); |
| const SkScalar* inner = rects[1].asScalars(); |
| |
| bool allEq = true; |
| |
| SkScalar margin = SkScalarAbs(outer[0] - inner[0]); |
| bool allGoE1 = margin >= SK_Scalar1; |
| |
| for (int i = 1; i < 4; ++i) { |
| SkScalar temp = SkScalarAbs(outer[i] - inner[i]); |
| if (temp < SK_Scalar1) { |
| allGoE1 = false; |
| } |
| if (!SkScalarNearlyEqual(margin, temp)) { |
| allEq = false; |
| } |
| } |
| |
| return allEq || allGoE1; |
| } |
| |
| void GrContext::drawPath(GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint& paint, |
| const SkMatrix& viewMatrix, |
| const SkPath& path, |
| const GrStrokeInfo& strokeInfo) { |
| RETURN_IF_ABANDONED |
| if (path.isEmpty()) { |
| if (path.isInverseFillType()) { |
| this->drawPaint(rt, clip, paint, viewMatrix); |
| } |
| return; |
| } |
| |
| GrColor color = paint.getColor(); |
| if (strokeInfo.isDashed()) { |
| SkPoint pts[2]; |
| if (path.isLine(pts)) { |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| if (GrDashingEffect::DrawDashLine(fGpu, target, &pipelineBuilder, color, viewMatrix, |
| pts, paint, strokeInfo)) { |
| return; |
| } |
| } |
| |
| // Filter dashed path into new path with the dashing applied |
| const SkPathEffect::DashInfo& info = strokeInfo.getDashInfo(); |
| SkTLazy<SkPath> effectPath; |
| GrStrokeInfo newStrokeInfo(strokeInfo, false); |
| SkStrokeRec* stroke = newStrokeInfo.getStrokeRecPtr(); |
| if (SkDashPath::FilterDashPath(effectPath.init(), path, stroke, NULL, info)) { |
| this->drawPath(rt, clip, paint, viewMatrix, *effectPath.get(), newStrokeInfo); |
| return; |
| } |
| |
| this->drawPath(rt, clip, paint, viewMatrix, path, newStrokeInfo); |
| return; |
| } |
| |
| // Note that internalDrawPath may sw-rasterize the path into a scratch texture. |
| // Scratch textures can be recycled after they are returned to the texture |
| // cache. This presents a potential hazard for buffered drawing. However, |
| // the writePixels that uploads to the scratch will perform a flush so we're |
| // OK. |
| AutoCheckFlush acf(this); |
| GrPipelineBuilder pipelineBuilder; |
| GrDrawTarget* target = this->prepareToDraw(&pipelineBuilder, rt, clip, &paint, &acf); |
| if (NULL == target) { |
| return; |
| } |
| |
| GR_CREATE_TRACE_MARKER1("GrContext::drawPath", target, "Is Convex", path.isConvex()); |
| |
| const SkStrokeRec& strokeRec = strokeInfo.getStrokeRec(); |
| |
| bool useCoverageAA = paint.isAntiAlias() && |
| !pipelineBuilder.getRenderTarget()->isMultisampled(); |
| |
| if (useCoverageAA && strokeRec.getWidth() < 0 && !path.isConvex()) { |
| // Concave AA paths are expensive - try to avoid them for special cases |
| SkRect rects[2]; |
| |
| if (is_nested_rects(target, &pipelineBuilder, color, viewMatrix, path, strokeRec, rects)) { |
| fAARectRenderer->fillAANestedRects(target, &pipelineBuilder, color, viewMatrix, rects); |
| return; |
| } |
| } |
| |
| SkRect ovalRect; |
| bool isOval = path.isOval(&ovalRect); |
| |
| if (!isOval || path.isInverseFillType() || |
| !fOvalRenderer->drawOval(target, |
| &pipelineBuilder, |
| color, |
| viewMatrix, |
| paint.isAntiAlias(), |
| ovalRect, |
| strokeRec)) { |
| this->internalDrawPath(target, &pipelineBuilder, viewMatrix, color, paint.isAntiAlias(), |
| path, strokeInfo); |
| } |
| } |
| |
| void GrContext::internalDrawPath(GrDrawTarget* target, |
| GrPipelineBuilder* pipelineBuilder, |
| const SkMatrix& viewMatrix, |
| GrColor color, |
| bool useAA, |
| const SkPath& path, |
| const GrStrokeInfo& strokeInfo) { |
| RETURN_IF_ABANDONED |
| SkASSERT(!path.isEmpty()); |
| |
| GR_CREATE_TRACE_MARKER("GrContext::internalDrawPath", target); |
| |
| |
| // An Assumption here is that path renderer would use some form of tweaking |
| // the src color (either the input alpha or in the frag shader) to implement |
| // aa. If we have some future driver-mojo path AA that can do the right |
| // thing WRT to the blend then we'll need some query on the PR. |
| bool useCoverageAA = useAA && |
| !pipelineBuilder->getRenderTarget()->isMultisampled(); |
| |
| |
| GrPathRendererChain::DrawType type = |
| useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType : |
| GrPathRendererChain::kColor_DrawType; |
| |
| const SkPath* pathPtr = &path; |
| SkTLazy<SkPath> tmpPath; |
| SkTCopyOnFirstWrite<SkStrokeRec> stroke(strokeInfo.getStrokeRec()); |
| |
| // Try a 1st time without stroking the path and without allowing the SW renderer |
| GrPathRenderer* pr = this->getPathRenderer(target, pipelineBuilder, viewMatrix, *pathPtr, |
| *stroke, false, type); |
| |
| if (NULL == pr) { |
| if (!GrPathRenderer::IsStrokeHairlineOrEquivalent(*stroke, viewMatrix, NULL)) { |
| // It didn't work the 1st time, so try again with the stroked path |
| if (stroke->applyToPath(tmpPath.init(), *pathPtr)) { |
| pathPtr = tmpPath.get(); |
| stroke.writable()->setFillStyle(); |
| if (pathPtr->isEmpty()) { |
| return; |
| } |
| } |
| } |
| |
| // This time, allow SW renderer |
| pr = this->getPathRenderer(target, pipelineBuilder, viewMatrix, *pathPtr, *stroke, true, |
| type); |
| } |
| |
| if (NULL == pr) { |
| #ifdef SK_DEBUG |
| SkDebugf("Unable to find path renderer compatible with path.\n"); |
| #endif |
| return; |
| } |
| |
| pr->drawPath(target, pipelineBuilder, color, viewMatrix, *pathPtr, *stroke, useCoverageAA); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::flush(int flagsBitfield) { |
| if (NULL == fDrawBuffer) { |
| return; |
| } |
| |
| if (kDiscard_FlushBit & flagsBitfield) { |
| fDrawBuffer->reset(); |
| } else { |
| fDrawBuffer->flush(); |
| } |
| fFlushToReduceCacheSize = false; |
| } |
| |
| bool sw_convert_to_premul(GrPixelConfig srcConfig, int width, int height, size_t inRowBytes, |
| const void* inPixels, size_t outRowBytes, void* outPixels) { |
| SkSrcPixelInfo srcPI; |
| if (!GrPixelConfig2ColorAndProfileType(srcConfig, &srcPI.fColorType, NULL)) { |
| return false; |
| } |
| srcPI.fAlphaType = kUnpremul_SkAlphaType; |
| srcPI.fPixels = inPixels; |
| srcPI.fRowBytes = inRowBytes; |
| |
| SkDstPixelInfo dstPI; |
| dstPI.fColorType = srcPI.fColorType; |
| dstPI.fAlphaType = kPremul_SkAlphaType; |
| dstPI.fPixels = outPixels; |
| dstPI.fRowBytes = outRowBytes; |
| |
| return srcPI.convertPixelsTo(&dstPI, width, height); |
| } |
| |
| bool GrContext::writeSurfacePixels(GrSurface* surface, |
| int left, int top, int width, int height, |
| GrPixelConfig srcConfig, const void* buffer, size_t rowBytes, |
| uint32_t pixelOpsFlags) { |
| RETURN_FALSE_IF_ABANDONED |
| { |
| GrTexture* texture = NULL; |
| if (!(kUnpremul_PixelOpsFlag & pixelOpsFlags) && (texture = surface->asTexture()) && |
| fGpu->canWriteTexturePixels(texture, srcConfig)) { |
| |
| if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && |
| surface->surfacePriv().hasPendingIO()) { |
| this->flush(); |
| } |
| return fGpu->writeTexturePixels(texture, left, top, width, height, |
| srcConfig, buffer, rowBytes); |
| // Don't need to check kFlushWrites_PixelOp here, we just did a direct write so the |
| // upload is already flushed. |
| } |
| } |
| |
| // If we didn't do a direct texture write then we upload the pixels to a texture and draw. |
| GrRenderTarget* renderTarget = surface->asRenderTarget(); |
| if (NULL == renderTarget) { |
| return false; |
| } |
| |
| // We ignore the preferred config unless it is a R/B swap of the src config. In that case |
| // we will upload the original src data to a scratch texture but we will spoof it as the swapped |
| // config. This scratch will then have R and B swapped. We correct for this by swapping again |
| // when drawing the scratch to the dst using a conversion effect. |
| bool swapRAndB = false; |
| GrPixelConfig writeConfig = srcConfig; |
| if (GrPixelConfigSwapRAndB(srcConfig) == |
| fGpu->preferredWritePixelsConfig(srcConfig, renderTarget->config())) { |
| writeConfig = GrPixelConfigSwapRAndB(srcConfig); |
| swapRAndB = true; |
| } |
| |
| GrSurfaceDesc desc; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = writeConfig; |
| SkAutoTUnref<GrTexture> texture(this->refScratchTexture(desc, kApprox_ScratchTexMatch)); |
| if (!texture) { |
| return false; |
| } |
| |
| SkAutoTUnref<const GrFragmentProcessor> fp; |
| SkMatrix textureMatrix; |
| textureMatrix.setIDiv(texture->width(), texture->height()); |
| |
| // allocate a tmp buffer and sw convert the pixels to premul |
| SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| |
| if (kUnpremul_PixelOpsFlag & pixelOpsFlags) { |
| if (!GrPixelConfigIs8888(srcConfig)) { |
| return false; |
| } |
| fp.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix)); |
| // handle the unpremul step on the CPU if we couldn't create an effect to do it. |
| if (NULL == fp) { |
| size_t tmpRowBytes = 4 * width; |
| tmpPixels.reset(width * height); |
| if (!sw_convert_to_premul(srcConfig, width, height, rowBytes, buffer, tmpRowBytes, |
| tmpPixels.get())) { |
| return false; |
| } |
| rowBytes = tmpRowBytes; |
| buffer = tmpPixels.get(); |
| } |
| } |
| if (NULL == fp) { |
| fp.reset(GrConfigConversionEffect::Create(texture, |
| swapRAndB, |
| GrConfigConversionEffect::kNone_PMConversion, |
| textureMatrix)); |
| } |
| |
| // Even if the client told us not to flush, we still flush here. The client may have known that |
| // writes to the original surface caused no data hazards, but they can't know that the scratch |
| // we just got is safe. |
| if (texture->surfacePriv().hasPendingIO()) { |
| this->flush(); |
| } |
| if (!fGpu->writeTexturePixels(texture, 0, 0, width, height, |
| writeConfig, buffer, rowBytes)) { |
| return false; |
| } |
| |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| |
| // This function can be called in the midst of drawing another object (e.g., when uploading a |
| // SW-rasterized clip while issuing a draw). So we push the current geometry state before |
| // drawing a rect to the render target. |
| // The bracket ensures we pop the stack if we wind up flushing below. |
| { |
| GrDrawTarget* drawTarget = this->prepareToDraw(); |
| if (!drawTarget) { |
| return false; |
| } |
| GrDrawTarget::AutoGeometryPush agp(drawTarget); |
| |
| GrPipelineBuilder pipelineBuilder; |
| pipelineBuilder.addColorProcessor(fp); |
| pipelineBuilder.setRenderTarget(renderTarget); |
| drawTarget->drawSimpleRect(&pipelineBuilder, |
| GrColor_WHITE, |
| matrix, |
| SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height))); |
| } |
| |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { |
| this->flushSurfaceWrites(surface); |
| } |
| |
| return true; |
| } |
| |
| // toggles between RGBA and BGRA |
| static SkColorType toggle_colortype32(SkColorType ct) { |
| if (kRGBA_8888_SkColorType == ct) { |
| return kBGRA_8888_SkColorType; |
| } else { |
| SkASSERT(kBGRA_8888_SkColorType == ct); |
| return kRGBA_8888_SkColorType; |
| } |
| } |
| |
| bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| int left, int top, int width, int height, |
| GrPixelConfig dstConfig, void* buffer, size_t rowBytes, |
| uint32_t flags) { |
| RETURN_FALSE_IF_ABANDONED |
| ASSERT_OWNED_RESOURCE(target); |
| SkASSERT(target); |
| |
| if (!(kDontFlush_PixelOpsFlag & flags) && target->surfacePriv().hasPendingWrite()) { |
| this->flush(); |
| } |
| |
| // Determine which conversions have to be applied: flipY, swapRAnd, and/or unpremul. |
| |
| // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
| width, height, dstConfig, |
| rowBytes); |
| // We ignore the preferred config if it is different than our config unless it is an R/B swap. |
| // In that case we'll perform an R and B swap while drawing to a scratch texture of the swapped |
| // config. Then we will call readPixels on the scratch with the swapped config. The swaps during |
| // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from |
| // dstConfig. |
| GrPixelConfig readConfig = dstConfig; |
| bool swapRAndB = false; |
| if (GrPixelConfigSwapRAndB(dstConfig) == |
| fGpu->preferredReadPixelsConfig(dstConfig, target->config())) { |
| readConfig = GrPixelConfigSwapRAndB(readConfig); |
| swapRAndB = true; |
| } |
| |
| bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
| |
| if (unpremul && !GrPixelConfigIs8888(dstConfig)) { |
| // The unpremul flag is only allowed for these two configs. |
| return false; |
| } |
| |
| SkAutoTUnref<GrTexture> tempTexture; |
| |
| // If the src is a texture and we would have to do conversions after read pixels, we instead |
| // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| // on the read back pixels. |
| GrTexture* src = target->asTexture(); |
| if (src && (swapRAndB || unpremul || flipY)) { |
| // Make the scratch a render so we can read its pixels. |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = readConfig; |
| desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
| |
| // When a full read back is faster than a partial we could always make the scratch exactly |
| // match the passed rect. However, if we see many different size rectangles we will trash |
| // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| // request an exact match when the caller is reading an entire RT. |
| ScratchTexMatch match = kApprox_ScratchTexMatch; |
| if (0 == left && |
| 0 == top && |
| target->width() == width && |
| target->height() == height && |
| fGpu->fullReadPixelsIsFasterThanPartial()) { |
| match = kExact_ScratchTexMatch; |
| } |
| tempTexture.reset(this->refScratchTexture(desc, match)); |
| if (tempTexture) { |
| // compute a matrix to perform the draw |
| SkMatrix textureMatrix; |
| textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
| textureMatrix.postIDiv(src->width(), src->height()); |
| |
| SkAutoTUnref<const GrFragmentProcessor> fp; |
| if (unpremul) { |
| fp.reset(this->createPMToUPMEffect(src, swapRAndB, textureMatrix)); |
| if (fp) { |
| unpremul = false; // we no longer need to do this on CPU after the read back. |
| } |
| } |
| // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| // there is no longer any point to using the scratch. |
| if (fp || flipY || swapRAndB) { |
| if (!fp) { |
| fp.reset(GrConfigConversionEffect::Create( |
| src, swapRAndB, GrConfigConversionEffect::kNone_PMConversion, |
| textureMatrix)); |
| } |
| swapRAndB = false; // we will handle the swap in the draw. |
| |
| // We protect the existing geometry here since it may not be |
| // clear to the caller that a draw operation (i.e., drawSimpleRect) |
| // can be invoked in this method |
| { |
| GrDrawTarget::AutoGeometryPush agp(fDrawBuffer); |
| GrPipelineBuilder pipelineBuilder; |
| SkASSERT(fp); |
| pipelineBuilder.addColorProcessor(fp); |
| |
| pipelineBuilder.setRenderTarget(tempTexture->asRenderTarget()); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| fDrawBuffer->drawSimpleRect(&pipelineBuilder, |
| GrColor_WHITE, |
| SkMatrix::I(), |
| rect); |
| // we want to read back from the scratch's origin |
| left = 0; |
| top = 0; |
| target = tempTexture->asRenderTarget(); |
| } |
| this->flushSurfaceWrites(target); |
| } |
| } |
| } |
| |
| if (!fGpu->readPixels(target, |
| left, top, width, height, |
| readConfig, buffer, rowBytes)) { |
| return false; |
| } |
| // Perform any conversions we weren't able to perform using a scratch texture. |
| if (unpremul || swapRAndB) { |
| SkDstPixelInfo dstPI; |
| if (!GrPixelConfig2ColorAndProfileType(dstConfig, &dstPI.fColorType, NULL)) { |
| return false; |
| } |
| dstPI.fAlphaType = kUnpremul_SkAlphaType; |
| dstPI.fPixels = buffer; |
| dstPI.fRowBytes = rowBytes; |
| |
| SkSrcPixelInfo srcPI; |
| srcPI.fColorType = swapRAndB ? toggle_colortype32(dstPI.fColorType) : dstPI.fColorType; |
| srcPI.fAlphaType = kPremul_SkAlphaType; |
| srcPI.fPixels = buffer; |
| srcPI.fRowBytes = rowBytes; |
| |
| return srcPI.convertPixelsTo(&dstPI, width, height); |
| } |
| return true; |
| } |
| |
| void GrContext::prepareSurfaceForExternalRead(GrSurface* surface) { |
| RETURN_IF_ABANDONED |
| SkASSERT(surface); |
| ASSERT_OWNED_RESOURCE(surface); |
| if (surface->surfacePriv().hasPendingIO()) { |
| this->flush(); |
| } |
| GrRenderTarget* rt = surface->asRenderTarget(); |
| if (fGpu && rt) { |
| fGpu->resolveRenderTarget(rt); |
| } |
| } |
| |
| void GrContext::discardRenderTarget(GrRenderTarget* renderTarget) { |
| RETURN_IF_ABANDONED |
| SkASSERT(renderTarget); |
| ASSERT_OWNED_RESOURCE(renderTarget); |
| AutoCheckFlush acf(this); |
| GrDrawTarget* target = this->prepareToDraw(); |
| if (NULL == target) { |
| return; |
| } |
| target->discard(renderTarget); |
| } |
| |
| void GrContext::copySurface(GrSurface* dst, GrSurface* src, const SkIRect& srcRect, |
| const SkIPoint& dstPoint, uint32_t pixelOpsFlags) { |
| RETURN_IF_ABANDONED |
| if (NULL == src || NULL == dst) { |
| return; |
| } |
| ASSERT_OWNED_RESOURCE(src); |
| ASSERT_OWNED_RESOURCE(dst); |
| |
| // Since we're going to the draw target and not GPU, no need to check kNoFlush |
| // here. |
| |
| GrDrawTarget* target = this->prepareToDraw(); |
| if (NULL == target) { |
| return; |
| } |
| target->copySurface(dst, src, srcRect, dstPoint); |
| |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { |
| this->flush(); |
| } |
| } |
| |
| void GrContext::flushSurfaceWrites(GrSurface* surface) { |
| RETURN_IF_ABANDONED |
| if (surface->surfacePriv().hasPendingWrite()) { |
| this->flush(); |
| } |
| } |
| |
| GrDrawTarget* GrContext::prepareToDraw(GrPipelineBuilder* pipelineBuilder, |
| GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPaint* paint, |
| const AutoCheckFlush* acf) { |
| if (NULL == fGpu || NULL == fDrawBuffer) { |
| return NULL; |
| } |
| |
| ASSERT_OWNED_RESOURCE(rt); |
| SkASSERT(rt && paint && acf); |
| pipelineBuilder->setFromPaint(*paint, rt, clip); |
| return fDrawBuffer; |
| } |
| |
| GrDrawTarget* GrContext::prepareToDraw() { |
| if (NULL == fGpu) { |
| return NULL; |
| } |
| return fDrawBuffer; |
| } |
| |
| /* |
| * This method finds a path renderer that can draw the specified path on |
| * the provided target. |
| * Due to its expense, the software path renderer has split out so it can |
| * can be individually allowed/disallowed via the "allowSW" boolean. |
| */ |
| GrPathRenderer* GrContext::getPathRenderer(const GrDrawTarget* target, |
| const GrPipelineBuilder* pipelineBuilder, |
| const SkMatrix& viewMatrix, |
| const SkPath& path, |
| const SkStrokeRec& stroke, |
| bool allowSW, |
| GrPathRendererChain::DrawType drawType, |
| GrPathRendererChain::StencilSupport* stencilSupport) { |
| |
| if (NULL == fPathRendererChain) { |
| fPathRendererChain = SkNEW_ARGS(GrPathRendererChain, (this)); |
| } |
| |
| GrPathRenderer* pr = fPathRendererChain->getPathRenderer(target, |
| pipelineBuilder, |
| viewMatrix, |
| path, |
| stroke, |
| drawType, |
| stencilSupport); |
| |
| if (NULL == pr && allowSW) { |
| if (NULL == fSoftwarePathRenderer) { |
| fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
| } |
| pr = fSoftwarePathRenderer; |
| } |
| |
| return pr; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool GrContext::isConfigRenderable(GrPixelConfig config, bool withMSAA) const { |
| return fGpu->caps()->isConfigRenderable(config, withMSAA); |
| } |
| |
| int GrContext::getRecommendedSampleCount(GrPixelConfig config, |
| SkScalar dpi) const { |
| if (!this->isConfigRenderable(config, true)) { |
| return 0; |
| } |
| int chosenSampleCount = 0; |
| if (fGpu->caps()->pathRenderingSupport()) { |
| if (dpi >= 250.0f) { |
| chosenSampleCount = 4; |
| } else { |
| chosenSampleCount = 16; |
| } |
| } |
| return chosenSampleCount <= fGpu->caps()->maxSampleCount() ? |
| chosenSampleCount : 0; |
| } |
| |
| void GrContext::setupDrawBuffer() { |
| SkASSERT(NULL == fDrawBuffer); |
| SkASSERT(NULL == fDrawBufferVBAllocPool); |
| SkASSERT(NULL == fDrawBufferIBAllocPool); |
| |
| fDrawBufferVBAllocPool = |
| SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
| DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
| DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
| fDrawBufferIBAllocPool = |
| SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
| DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
| DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
| |
| fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
| fDrawBufferVBAllocPool, |
| fDrawBufferIBAllocPool)); |
| } |
| |
| GrDrawTarget* GrContext::getTextTarget() { |
| return this->prepareToDraw(); |
| } |
| |
| const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| return fGpu->getQuadIndexBuffer(); |
| } |
| |
| namespace { |
| void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| GrConfigConversionEffect::PMConversion pmToUPM; |
| GrConfigConversionEffect::PMConversion upmToPM; |
| GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| *pmToUPMValue = pmToUPM; |
| *upmToPMValue = upmToPM; |
| } |
| } |
| |
| const GrFragmentProcessor* GrContext::createPMToUPMEffect(GrTexture* texture, |
| bool swapRAndB, |
| const SkMatrix& matrix) { |
| if (!fDidTestPMConversions) { |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
| fDidTestPMConversions = true; |
| } |
| GrConfigConversionEffect::PMConversion pmToUPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
| return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); |
| } else { |
| return NULL; |
| } |
| } |
| |
| const GrFragmentProcessor* GrContext::createUPMToPMEffect(GrTexture* texture, |
| bool swapRAndB, |
| const SkMatrix& matrix) { |
| if (!fDidTestPMConversions) { |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
| fDidTestPMConversions = true; |
| } |
| GrConfigConversionEffect::PMConversion upmToPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
| return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); |
| } else { |
| return NULL; |
| } |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::getResourceCacheLimits(int* maxTextures, size_t* maxTextureBytes) const { |
| if (maxTextures) { |
| *maxTextures = fResourceCache->getMaxResourceCount(); |
| } |
| if (maxTextureBytes) { |
| *maxTextureBytes = fResourceCache->getMaxResourceBytes(); |
| } |
| } |
| |
| void GrContext::setResourceCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| fResourceCache->setLimits(maxTextures, maxTextureBytes); |
| } |
| |
| void GrContext::addResourceToCache(const GrUniqueKey& key, GrGpuResource* resource) { |
| ASSERT_OWNED_RESOURCE(resource); |
| if (!resource) { |
| return; |
| } |
| resource->resourcePriv().setUniqueKey(key); |
| } |
| |
| bool GrContext::isResourceInCache(const GrUniqueKey& key) const { |
| return fResourceCache->hasUniqueKey(key); |
| } |
| |
| GrGpuResource* GrContext::findAndRefCachedResource(const GrUniqueKey& key) { |
| return fResourceCache->findAndRefUniqueResource(key); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::addGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| fGpu->addGpuTraceMarker(marker); |
| if (fDrawBuffer) { |
| fDrawBuffer->addGpuTraceMarker(marker); |
| } |
| } |
| |
| void GrContext::removeGpuTraceMarker(const GrGpuTraceMarker* marker) { |
| fGpu->removeGpuTraceMarker(marker); |
| if (fDrawBuffer) { |
| fDrawBuffer->removeGpuTraceMarker(marker); |
| } |
| } |
| |
