| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrAADistanceFieldPathRenderer.h" |
| |
| #include "GrBatchFlushState.h" |
| #include "GrBatchTest.h" |
| #include "GrBuffer.h" |
| #include "GrContext.h" |
| #include "GrPipelineBuilder.h" |
| #include "GrResourceProvider.h" |
| #include "GrSurfacePriv.h" |
| #include "GrSWMaskHelper.h" |
| #include "GrTexturePriv.h" |
| #include "batches/GrVertexBatch.h" |
| #include "effects/GrDistanceFieldGeoProc.h" |
| |
| #include "SkDistanceFieldGen.h" |
| |
| #define ATLAS_TEXTURE_WIDTH 2048 |
| #define ATLAS_TEXTURE_HEIGHT 2048 |
| #define PLOT_WIDTH 512 |
| #define PLOT_HEIGHT 256 |
| |
| #define NUM_PLOTS_X (ATLAS_TEXTURE_WIDTH / PLOT_WIDTH) |
| #define NUM_PLOTS_Y (ATLAS_TEXTURE_HEIGHT / PLOT_HEIGHT) |
| |
| #ifdef DF_PATH_TRACKING |
| static int g_NumCachedShapes = 0; |
| static int g_NumFreedShapes = 0; |
| #endif |
| |
| // mip levels |
| static const int kSmallMIP = 32; |
| static const int kMediumMIP = 73; |
| static const int kLargeMIP = 162; |
| |
| // Callback to clear out internal path cache when eviction occurs |
| void GrAADistanceFieldPathRenderer::HandleEviction(GrBatchAtlas::AtlasID id, void* pr) { |
| GrAADistanceFieldPathRenderer* dfpr = (GrAADistanceFieldPathRenderer*)pr; |
| // remove any paths that use this plot |
| ShapeDataList::Iter iter; |
| iter.init(dfpr->fShapeList, ShapeDataList::Iter::kHead_IterStart); |
| ShapeData* shapeData; |
| while ((shapeData = iter.get())) { |
| iter.next(); |
| if (id == shapeData->fID) { |
| dfpr->fShapeCache.remove(shapeData->fKey); |
| dfpr->fShapeList.remove(shapeData); |
| delete shapeData; |
| #ifdef DF_PATH_TRACKING |
| ++g_NumFreedPaths; |
| #endif |
| } |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| GrAADistanceFieldPathRenderer::GrAADistanceFieldPathRenderer() : fAtlas(nullptr) {} |
| |
| GrAADistanceFieldPathRenderer::~GrAADistanceFieldPathRenderer() { |
| ShapeDataList::Iter iter; |
| iter.init(fShapeList, ShapeDataList::Iter::kHead_IterStart); |
| ShapeData* shapeData; |
| while ((shapeData = iter.get())) { |
| iter.next(); |
| delete shapeData; |
| } |
| |
| #ifdef DF_PATH_TRACKING |
| SkDebugf("Cached shapes: %d, freed shapes: %d\n", g_NumCachedShapes, g_NumFreedShapes); |
| #endif |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool GrAADistanceFieldPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { |
| if (!args.fShaderCaps->shaderDerivativeSupport()) { |
| return false; |
| } |
| // If the shape has no key then we won't get any reuse. |
| if (!args.fShape->hasUnstyledKey()) { |
| return false; |
| } |
| // This only supports filled paths, however, the caller may apply the style to make a filled |
| // path and try again. |
| if (!args.fShape->style().isSimpleFill()) { |
| return false; |
| } |
| // This does non-inverse antialiased fills. |
| if (!args.fAntiAlias) { |
| return false; |
| } |
| // TODO: Support inverse fill |
| if (args.fShape->inverseFilled()) { |
| return false; |
| } |
| // currently don't support perspective |
| if (args.fViewMatrix->hasPerspective()) { |
| return false; |
| } |
| |
| // Only support paths with bounds within kMediumMIP by kMediumMIP, |
| // scaled to have bounds within 2.0f*kLargeMIP by 2.0f*kLargeMIP. |
| // The goal is to accelerate rendering of lots of small paths that may be scaling. |
| SkScalar maxScale = args.fViewMatrix->getMaxScale(); |
| SkRect bounds = args.fShape->styledBounds(); |
| SkScalar maxDim = SkMaxScalar(bounds.width(), bounds.height()); |
| |
| return maxDim <= kMediumMIP && maxDim * maxScale <= 2.0f*kLargeMIP; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // padding around path bounds to allow for antialiased pixels |
| static const SkScalar kAntiAliasPad = 1.0f; |
| |
| class AADistanceFieldPathBatch : public GrVertexBatch { |
| public: |
| DEFINE_BATCH_CLASS_ID |
| |
| typedef GrAADistanceFieldPathRenderer::ShapeData ShapeData; |
| typedef SkTDynamicHash<ShapeData, ShapeData::Key> ShapeCache; |
| typedef GrAADistanceFieldPathRenderer::ShapeDataList ShapeDataList; |
| |
| AADistanceFieldPathBatch(GrColor color, |
| const GrShape& shape, |
| bool antiAlias, |
| const SkMatrix& viewMatrix, |
| GrBatchAtlas* atlas, |
| ShapeCache* shapeCache, ShapeDataList* shapeList, |
| bool gammaCorrect) |
| : INHERITED(ClassID()) { |
| SkASSERT(shape.hasUnstyledKey()); |
| fBatch.fViewMatrix = viewMatrix; |
| fGeoData.emplace_back(Geometry{color, shape, antiAlias}); |
| |
| fAtlas = atlas; |
| fShapeCache = shapeCache; |
| fShapeList = shapeList; |
| fGammaCorrect = gammaCorrect; |
| |
| // Compute bounds |
| this->setTransformedBounds(shape.bounds(), viewMatrix, HasAABloat::kYes, IsZeroArea::kNo); |
| } |
| const char* name() const override { return "AADistanceFieldPathBatch"; } |
| |
| void computePipelineOptimizations(GrInitInvariantOutput* color, |
| GrInitInvariantOutput* coverage, |
| GrBatchToXPOverrides* overrides) const override { |
| color->setKnownFourComponents(fGeoData[0].fColor); |
| coverage->setUnknownSingleComponent(); |
| } |
| |
| private: |
| void initBatchTracker(const GrXPOverridesForBatch& overrides) override { |
| // Handle any color overrides |
| if (!overrides.readsColor()) { |
| fGeoData[0].fColor = GrColor_ILLEGAL; |
| } |
| overrides.getOverrideColorIfSet(&fGeoData[0].fColor); |
| |
| // setup batch properties |
| fBatch.fColorIgnored = !overrides.readsColor(); |
| fBatch.fUsesLocalCoords = overrides.readsLocalCoords(); |
| fBatch.fCoverageIgnored = !overrides.readsCoverage(); |
| } |
| |
| struct FlushInfo { |
| sk_sp<const GrBuffer> fVertexBuffer; |
| sk_sp<const GrBuffer> fIndexBuffer; |
| sk_sp<GrGeometryProcessor> fGeometryProcessor; |
| int fVertexOffset; |
| int fInstancesToFlush; |
| }; |
| |
| void onPrepareDraws(Target* target) const override { |
| int instanceCount = fGeoData.count(); |
| |
| SkMatrix invert; |
| if (this->usesLocalCoords() && !this->viewMatrix().invert(&invert)) { |
| SkDebugf("Could not invert viewmatrix\n"); |
| return; |
| } |
| |
| const SkMatrix& ctm = this->viewMatrix(); |
| uint32_t flags = 0; |
| flags |= ctm.isScaleTranslate() ? kScaleOnly_DistanceFieldEffectFlag : 0; |
| flags |= ctm.isSimilarity() ? kSimilarity_DistanceFieldEffectFlag : 0; |
| flags |= fGammaCorrect ? kGammaCorrect_DistanceFieldEffectFlag : 0; |
| |
| GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kBilerp_FilterMode); |
| |
| FlushInfo flushInfo; |
| |
| // Setup GrGeometryProcessor |
| GrBatchAtlas* atlas = fAtlas; |
| flushInfo.fGeometryProcessor = GrDistanceFieldPathGeoProc::Make(this->color(), |
| this->viewMatrix(), |
| atlas->getTexture(), |
| params, |
| flags, |
| this->usesLocalCoords()); |
| |
| // allocate vertices |
| size_t vertexStride = flushInfo.fGeometryProcessor->getVertexStride(); |
| SkASSERT(vertexStride == 2 * sizeof(SkPoint) + sizeof(GrColor)); |
| |
| const GrBuffer* vertexBuffer; |
| void* vertices = target->makeVertexSpace(vertexStride, |
| kVerticesPerQuad * instanceCount, |
| &vertexBuffer, |
| &flushInfo.fVertexOffset); |
| flushInfo.fVertexBuffer.reset(SkRef(vertexBuffer)); |
| flushInfo.fIndexBuffer.reset(target->resourceProvider()->refQuadIndexBuffer()); |
| if (!vertices || !flushInfo.fIndexBuffer) { |
| SkDebugf("Could not allocate vertices\n"); |
| return; |
| } |
| |
| flushInfo.fInstancesToFlush = 0; |
| // Pointer to the next set of vertices to write. |
| intptr_t offset = reinterpret_cast<intptr_t>(vertices); |
| for (int i = 0; i < instanceCount; i++) { |
| const Geometry& args = fGeoData[i]; |
| |
| // get mip level |
| SkScalar maxScale = this->viewMatrix().getMaxScale(); |
| const SkRect& bounds = args.fShape.bounds(); |
| SkScalar maxDim = SkMaxScalar(bounds.width(), bounds.height()); |
| SkScalar size = maxScale * maxDim; |
| SkScalar desiredDimension; |
| // For minimizing (or the common case of identity) transforms, we try to |
| // create the DF at the appropriately sized native src-space path resolution. |
| // In the majority of cases this will yield a crisper rendering. |
| if (size <= maxDim && maxDim < kSmallMIP) { |
| desiredDimension = maxDim; |
| } else if (size <= kSmallMIP) { |
| desiredDimension = kSmallMIP; |
| } else if (size <= maxDim) { |
| desiredDimension = maxDim; |
| } else if (size <= kMediumMIP) { |
| desiredDimension = kMediumMIP; |
| } else { |
| desiredDimension = kLargeMIP; |
| } |
| |
| // check to see if path is cached |
| ShapeData::Key key(args.fShape, SkScalarCeilToInt(desiredDimension)); |
| ShapeData* shapeData = fShapeCache->find(key); |
| if (nullptr == shapeData || !atlas->hasID(shapeData->fID)) { |
| // Remove the stale cache entry |
| if (shapeData) { |
| fShapeCache->remove(shapeData->fKey); |
| fShapeList->remove(shapeData); |
| delete shapeData; |
| } |
| SkScalar scale = desiredDimension/maxDim; |
| |
| shapeData = new ShapeData; |
| if (!this->addPathToAtlas(target, |
| &flushInfo, |
| atlas, |
| shapeData, |
| args.fShape, |
| args.fAntiAlias, |
| SkScalarCeilToInt(desiredDimension), |
| scale)) { |
| delete shapeData; |
| SkDebugf("Can't rasterize path\n"); |
| continue; |
| } |
| } |
| |
| atlas->setLastUseToken(shapeData->fID, target->nextDrawToken()); |
| |
| this->writePathVertices(target, |
| atlas, |
| offset, |
| args.fColor, |
| vertexStride, |
| maxScale, |
| shapeData); |
| offset += kVerticesPerQuad * vertexStride; |
| flushInfo.fInstancesToFlush++; |
| } |
| |
| this->flush(target, &flushInfo); |
| } |
| |
| bool addPathToAtlas(GrVertexBatch::Target* target, |
| FlushInfo* flushInfo, |
| GrBatchAtlas* atlas, |
| ShapeData* shapeData, |
| const GrShape& shape, |
| bool antiAlias, |
| uint32_t dimension, |
| SkScalar scale) const { |
| const SkRect& bounds = shape.bounds(); |
| |
| // generate bounding rect for bitmap draw |
| SkRect scaledBounds = bounds; |
| // scale to mip level size |
| scaledBounds.fLeft *= scale; |
| scaledBounds.fTop *= scale; |
| scaledBounds.fRight *= scale; |
| scaledBounds.fBottom *= scale; |
| // subtract out integer portion of origin |
| // (SDF created will be placed with fractional offset burnt in) |
| SkScalar dx = SkScalarFloorToInt(scaledBounds.fLeft); |
| SkScalar dy = SkScalarFloorToInt(scaledBounds.fTop); |
| scaledBounds.offset(-dx, -dy); |
| // get integer boundary |
| SkIRect devPathBounds; |
| scaledBounds.roundOut(&devPathBounds); |
| // pad to allow room for antialiasing |
| const int intPad = SkScalarCeilToInt(kAntiAliasPad); |
| // place devBounds at origin |
| int width = devPathBounds.width() + 2*intPad; |
| int height = devPathBounds.height() + 2*intPad; |
| devPathBounds = SkIRect::MakeWH(width, height); |
| |
| // draw path to bitmap |
| SkMatrix drawMatrix; |
| drawMatrix.setScale(scale, scale); |
| drawMatrix.postTranslate(intPad - dx, intPad - dy); |
| |
| // setup bitmap backing |
| SkASSERT(devPathBounds.fLeft == 0); |
| SkASSERT(devPathBounds.fTop == 0); |
| SkAutoPixmapStorage dst; |
| if (!dst.tryAlloc(SkImageInfo::MakeA8(devPathBounds.width(), |
| devPathBounds.height()))) { |
| return false; |
| } |
| sk_bzero(dst.writable_addr(), dst.getSafeSize()); |
| |
| // rasterize path |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAntiAlias(antiAlias); |
| |
| SkDraw draw; |
| sk_bzero(&draw, sizeof(draw)); |
| |
| SkRasterClip rasterClip; |
| rasterClip.setRect(devPathBounds); |
| draw.fRC = &rasterClip; |
| draw.fMatrix = &drawMatrix; |
| draw.fDst = dst; |
| |
| SkPath path; |
| shape.asPath(&path); |
| draw.drawPathCoverage(path, paint); |
| |
| // generate signed distance field |
| devPathBounds.outset(SK_DistanceFieldPad, SK_DistanceFieldPad); |
| width = devPathBounds.width(); |
| height = devPathBounds.height(); |
| // TODO We should really generate this directly into the plot somehow |
| SkAutoSMalloc<1024> dfStorage(width * height * sizeof(unsigned char)); |
| |
| // Generate signed distance field |
| SkGenerateDistanceFieldFromA8Image((unsigned char*)dfStorage.get(), |
| (const unsigned char*)dst.addr(), |
| dst.width(), dst.height(), dst.rowBytes()); |
| |
| // add to atlas |
| SkIPoint16 atlasLocation; |
| GrBatchAtlas::AtlasID id; |
| if (!atlas->addToAtlas(&id, target, width, height, dfStorage.get(), &atlasLocation)) { |
| this->flush(target, flushInfo); |
| if (!atlas->addToAtlas(&id, target, width, height, dfStorage.get(), &atlasLocation)) { |
| return false; |
| } |
| } |
| |
| // add to cache |
| shapeData->fKey.set(shape, dimension); |
| shapeData->fID = id; |
| |
| // set the bounds rect to the original bounds |
| shapeData->fBounds = bounds; |
| |
| // set up path to texture coordinate transform |
| shapeData->fScale = scale; |
| dx -= SK_DistanceFieldPad + kAntiAliasPad; |
| dy -= SK_DistanceFieldPad + kAntiAliasPad; |
| shapeData->fTranslate.fX = atlasLocation.fX - dx; |
| shapeData->fTranslate.fY = atlasLocation.fY - dy; |
| |
| fShapeCache->add(shapeData); |
| fShapeList->addToTail(shapeData); |
| #ifdef DF_PATH_TRACKING |
| ++g_NumCachedPaths; |
| #endif |
| return true; |
| } |
| |
| void writePathVertices(GrDrawBatch::Target* target, |
| GrBatchAtlas* atlas, |
| intptr_t offset, |
| GrColor color, |
| size_t vertexStride, |
| SkScalar maxScale, |
| const ShapeData* shapeData) const { |
| |
| SkPoint* positions = reinterpret_cast<SkPoint*>(offset); |
| |
| // outset bounds to include ~1 pixel of AA in device space |
| SkRect bounds = shapeData->fBounds; |
| SkScalar outset = SkScalarInvert(maxScale); |
| bounds.outset(outset, outset); |
| |
| // vertex positions |
| // TODO make the vertex attributes a struct |
| positions->setRectFan(bounds.left(), bounds.top(), bounds.right(), bounds.bottom(), |
| vertexStride); |
| |
| // colors |
| for (int i = 0; i < kVerticesPerQuad; i++) { |
| GrColor* colorPtr = (GrColor*)(offset + sizeof(SkPoint) + i * vertexStride); |
| *colorPtr = color; |
| } |
| |
| // set up texture coordinates |
| SkScalar texLeft = bounds.fLeft; |
| SkScalar texTop = bounds.fTop; |
| SkScalar texRight = bounds.fRight; |
| SkScalar texBottom = bounds.fBottom; |
| |
| // transform original path's bounds to texture space |
| SkScalar scale = shapeData->fScale; |
| const SkVector& translate = shapeData->fTranslate; |
| texLeft *= scale; |
| texTop *= scale; |
| texRight *= scale; |
| texBottom *= scale; |
| texLeft += translate.fX; |
| texTop += translate.fY; |
| texRight += translate.fX; |
| texBottom += translate.fY; |
| |
| // vertex texture coords |
| // TODO make these int16_t |
| SkPoint* textureCoords = (SkPoint*)(offset + sizeof(SkPoint) + sizeof(GrColor)); |
| GrTexture* texture = atlas->getTexture(); |
| textureCoords->setRectFan(texLeft / texture->width(), |
| texTop / texture->height(), |
| texRight / texture->width(), |
| texBottom / texture->height(), |
| vertexStride); |
| } |
| |
| void flush(GrVertexBatch::Target* target, FlushInfo* flushInfo) const { |
| if (flushInfo->fInstancesToFlush) { |
| GrMesh mesh; |
| int maxInstancesPerDraw = |
| static_cast<int>(flushInfo->fIndexBuffer->gpuMemorySize() / sizeof(uint16_t) / 6); |
| mesh.initInstanced(kTriangles_GrPrimitiveType, flushInfo->fVertexBuffer.get(), |
| flushInfo->fIndexBuffer.get(), flushInfo->fVertexOffset, kVerticesPerQuad, |
| kIndicesPerQuad, flushInfo->fInstancesToFlush, maxInstancesPerDraw); |
| target->draw(flushInfo->fGeometryProcessor.get(), mesh); |
| flushInfo->fVertexOffset += kVerticesPerQuad * flushInfo->fInstancesToFlush; |
| flushInfo->fInstancesToFlush = 0; |
| } |
| } |
| |
| GrColor color() const { return fGeoData[0].fColor; } |
| const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; } |
| bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| |
| bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override { |
| AADistanceFieldPathBatch* that = t->cast<AADistanceFieldPathBatch>(); |
| if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(), |
| that->bounds(), caps)) { |
| return false; |
| } |
| |
| // TODO We can position on the cpu |
| if (!this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| return false; |
| } |
| |
| fGeoData.push_back_n(that->fGeoData.count(), that->fGeoData.begin()); |
| this->joinBounds(*that); |
| return true; |
| } |
| |
| struct BatchTracker { |
| SkMatrix fViewMatrix; |
| bool fUsesLocalCoords; |
| bool fColorIgnored; |
| bool fCoverageIgnored; |
| }; |
| |
| struct Geometry { |
| GrColor fColor; |
| GrShape fShape; |
| bool fAntiAlias; |
| }; |
| |
| BatchTracker fBatch; |
| SkSTArray<1, Geometry> fGeoData; |
| GrBatchAtlas* fAtlas; |
| ShapeCache* fShapeCache; |
| ShapeDataList* fShapeList; |
| bool fGammaCorrect; |
| |
| typedef GrVertexBatch INHERITED; |
| }; |
| |
| bool GrAADistanceFieldPathRenderer::onDrawPath(const DrawPathArgs& args) { |
| GR_AUDIT_TRAIL_AUTO_FRAME(args.fRenderTargetContext->auditTrail(), |
| "GrAADistanceFieldPathRenderer::onDrawPath"); |
| SkASSERT(!args.fRenderTargetContext->isUnifiedMultisampled()); |
| SkASSERT(args.fShape->style().isSimpleFill()); |
| |
| // we've already bailed on inverse filled paths, so this is safe |
| SkASSERT(!args.fShape->isEmpty()); |
| SkASSERT(args.fShape->hasUnstyledKey()); |
| if (!fAtlas) { |
| fAtlas = args.fResourceProvider->makeAtlas(kAlpha_8_GrPixelConfig, |
| ATLAS_TEXTURE_WIDTH, ATLAS_TEXTURE_HEIGHT, |
| NUM_PLOTS_X, NUM_PLOTS_Y, |
| &GrAADistanceFieldPathRenderer::HandleEviction, |
| (void*)this); |
| if (!fAtlas) { |
| return false; |
| } |
| } |
| |
| sk_sp<GrDrawBatch> batch(new AADistanceFieldPathBatch(args.fPaint->getColor(), |
| *args.fShape, |
| args.fAntiAlias, *args.fViewMatrix, |
| fAtlas.get(), &fShapeCache, &fShapeList, |
| args.fGammaCorrect)); |
| GrPipelineBuilder pipelineBuilder(*args.fPaint); |
| pipelineBuilder.setUserStencil(args.fUserStencilSettings); |
| |
| args.fRenderTargetContext->drawBatch(pipelineBuilder, *args.fClip, batch.get()); |
| |
| return true; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef GR_TEST_UTILS |
| |
| struct PathTestStruct { |
| typedef GrAADistanceFieldPathRenderer::ShapeCache ShapeCache; |
| typedef GrAADistanceFieldPathRenderer::ShapeData ShapeData; |
| typedef GrAADistanceFieldPathRenderer::ShapeDataList ShapeDataList; |
| PathTestStruct() : fContextID(SK_InvalidGenID), fAtlas(nullptr) {} |
| ~PathTestStruct() { this->reset(); } |
| |
| void reset() { |
| ShapeDataList::Iter iter; |
| iter.init(fShapeList, ShapeDataList::Iter::kHead_IterStart); |
| ShapeData* shapeData; |
| while ((shapeData = iter.get())) { |
| iter.next(); |
| fShapeList.remove(shapeData); |
| delete shapeData; |
| } |
| fAtlas = nullptr; |
| fShapeCache.reset(); |
| } |
| |
| static void HandleEviction(GrBatchAtlas::AtlasID id, void* pr) { |
| PathTestStruct* dfpr = (PathTestStruct*)pr; |
| // remove any paths that use this plot |
| ShapeDataList::Iter iter; |
| iter.init(dfpr->fShapeList, ShapeDataList::Iter::kHead_IterStart); |
| ShapeData* shapeData; |
| while ((shapeData = iter.get())) { |
| iter.next(); |
| if (id == shapeData->fID) { |
| dfpr->fShapeCache.remove(shapeData->fKey); |
| dfpr->fShapeList.remove(shapeData); |
| delete shapeData; |
| } |
| } |
| } |
| |
| uint32_t fContextID; |
| std::unique_ptr<GrBatchAtlas> fAtlas; |
| ShapeCache fShapeCache; |
| ShapeDataList fShapeList; |
| }; |
| |
| DRAW_BATCH_TEST_DEFINE(AADistanceFieldPathBatch) { |
| static PathTestStruct gTestStruct; |
| |
| if (context->uniqueID() != gTestStruct.fContextID) { |
| gTestStruct.fContextID = context->uniqueID(); |
| gTestStruct.reset(); |
| gTestStruct.fAtlas = |
| context->resourceProvider()->makeAtlas(kAlpha_8_GrPixelConfig, |
| ATLAS_TEXTURE_WIDTH, ATLAS_TEXTURE_HEIGHT, |
| NUM_PLOTS_X, NUM_PLOTS_Y, |
| &PathTestStruct::HandleEviction, |
| (void*)&gTestStruct); |
| } |
| |
| SkMatrix viewMatrix = GrTest::TestMatrix(random); |
| GrColor color = GrRandomColor(random); |
| bool gammaCorrect = random->nextBool(); |
| |
| // This path renderer only allows fill styles. |
| GrShape shape(GrTest::TestPath(random), GrStyle::SimpleFill()); |
| bool antiAlias = random->nextBool(); |
| |
| return new AADistanceFieldPathBatch(color, |
| shape, |
| antiAlias, |
| viewMatrix, |
| gTestStruct.fAtlas.get(), |
| &gTestStruct.fShapeCache, |
| &gTestStruct.fShapeList, |
| gammaCorrect); |
| } |
| |
| #endif |
