| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/ops/GrDrawAtlasOp.h" |
| |
| #include "include/core/SkRSXform.h" |
| #include "include/gpu/GrRecordingContext.h" |
| #include "include/utils/SkRandom.h" |
| #include "src/core/SkMatrixPriv.h" |
| #include "src/core/SkRectPriv.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrDefaultGeoProcFactory.h" |
| #include "src/gpu/GrDrawOpTest.h" |
| #include "src/gpu/GrOpFlushState.h" |
| #include "src/gpu/GrProgramInfo.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/SkGr.h" |
| #include "src/gpu/ops/GrSimpleMeshDrawOpHelper.h" |
| |
| namespace { |
| |
| class DrawAtlasOp final : public GrMeshDrawOp { |
| private: |
| using Helper = GrSimpleMeshDrawOpHelper; |
| |
| public: |
| DEFINE_OP_CLASS_ID |
| |
| DrawAtlasOp(GrProcessorSet*, const SkPMColor4f& color, |
| const SkMatrix& viewMatrix, GrAAType, int spriteCount, const SkRSXform* xforms, |
| const SkRect* rects, const SkColor* colors); |
| |
| const char* name() const override { return "DrawAtlasOp"; } |
| |
| void visitProxies(const GrVisitProxyFunc& func) const override { |
| if (fProgramInfo) { |
| fProgramInfo->visitFPProxies(func); |
| } else { |
| fHelper.visitProxies(func); |
| } |
| } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override; |
| |
| GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*, GrClampType) override; |
| |
| private: |
| GrProgramInfo* programInfo() override { return fProgramInfo; } |
| |
| void onCreateProgramInfo(const GrCaps*, |
| SkArenaAlloc*, |
| const GrSurfaceProxyView& writeView, |
| GrAppliedClip&&, |
| const GrDstProxyView&, |
| GrXferBarrierFlags renderPassXferBarriers, |
| GrLoadOp colorLoadOp) override; |
| |
| void onPrepareDraws(Target*) override; |
| void onExecute(GrOpFlushState*, const SkRect& chainBounds) override; |
| #if GR_TEST_UTILS |
| SkString onDumpInfo() const override; |
| #endif |
| |
| const SkPMColor4f& color() const { return fColor; } |
| const SkMatrix& viewMatrix() const { return fViewMatrix; } |
| bool hasColors() const { return fHasColors; } |
| int quadCount() const { return fQuadCount; } |
| |
| CombineResult onCombineIfPossible(GrOp* t, SkArenaAlloc*, const GrCaps&) override; |
| |
| struct Geometry { |
| SkPMColor4f fColor; |
| SkTArray<uint8_t, true> fVerts; |
| }; |
| |
| SkSTArray<1, Geometry, true> fGeoData; |
| Helper fHelper; |
| SkMatrix fViewMatrix; |
| SkPMColor4f fColor; |
| int fQuadCount; |
| bool fHasColors; |
| |
| GrSimpleMesh* fMesh = nullptr; |
| GrProgramInfo* fProgramInfo = nullptr; |
| |
| using INHERITED = GrMeshDrawOp; |
| }; |
| |
| static GrGeometryProcessor* make_gp(SkArenaAlloc* arena, |
| bool hasColors, |
| const SkPMColor4f& color, |
| const SkMatrix& viewMatrix) { |
| using namespace GrDefaultGeoProcFactory; |
| Color gpColor(color); |
| if (hasColors) { |
| gpColor.fType = Color::kPremulGrColorAttribute_Type; |
| } |
| |
| return GrDefaultGeoProcFactory::Make(arena, gpColor, Coverage::kSolid_Type, |
| LocalCoords::kHasExplicit_Type, viewMatrix); |
| } |
| |
| DrawAtlasOp::DrawAtlasOp(GrProcessorSet* processorSet, const SkPMColor4f& color, |
| const SkMatrix& viewMatrix, GrAAType aaType, int spriteCount, |
| const SkRSXform* xforms, const SkRect* rects, const SkColor* colors) |
| : INHERITED(ClassID()), fHelper(processorSet, aaType), fColor(color) { |
| SkASSERT(xforms); |
| SkASSERT(rects); |
| |
| fViewMatrix = viewMatrix; |
| Geometry& installedGeo = fGeoData.push_back(); |
| installedGeo.fColor = color; |
| |
| // Figure out stride and offsets |
| // Order within the vertex is: position [color] texCoord |
| size_t texOffset = sizeof(SkPoint); |
| size_t vertexStride = 2 * sizeof(SkPoint); |
| fHasColors = SkToBool(colors); |
| if (colors) { |
| texOffset += sizeof(GrColor); |
| vertexStride += sizeof(GrColor); |
| } |
| |
| // Compute buffer size and alloc buffer |
| fQuadCount = spriteCount; |
| int allocSize = static_cast<int>(4 * vertexStride * spriteCount); |
| installedGeo.fVerts.reset(allocSize); |
| uint8_t* currVertex = installedGeo.fVerts.begin(); |
| |
| SkRect bounds = SkRectPriv::MakeLargestInverted(); |
| // TODO4F: Preserve float colors |
| int paintAlpha = GrColorUnpackA(installedGeo.fColor.toBytes_RGBA()); |
| for (int spriteIndex = 0; spriteIndex < spriteCount; ++spriteIndex) { |
| // Transform rect |
| SkPoint strip[4]; |
| const SkRect& currRect = rects[spriteIndex]; |
| xforms[spriteIndex].toTriStrip(currRect.width(), currRect.height(), strip); |
| |
| // Copy colors if necessary |
| if (colors) { |
| // convert to GrColor |
| SkColor color = colors[spriteIndex]; |
| if (paintAlpha != 255) { |
| color = SkColorSetA(color, SkMulDiv255Round(SkColorGetA(color), paintAlpha)); |
| } |
| GrColor grColor = SkColorToPremulGrColor(color); |
| |
| *(reinterpret_cast<GrColor*>(currVertex + sizeof(SkPoint))) = grColor; |
| *(reinterpret_cast<GrColor*>(currVertex + vertexStride + sizeof(SkPoint))) = grColor; |
| *(reinterpret_cast<GrColor*>(currVertex + 2 * vertexStride + sizeof(SkPoint))) = |
| grColor; |
| *(reinterpret_cast<GrColor*>(currVertex + 3 * vertexStride + sizeof(SkPoint))) = |
| grColor; |
| } |
| |
| // Copy position and uv to verts |
| *(reinterpret_cast<SkPoint*>(currVertex)) = strip[0]; |
| *(reinterpret_cast<SkPoint*>(currVertex + texOffset)) = |
| SkPoint::Make(currRect.fLeft, currRect.fTop); |
| SkRectPriv::GrowToInclude(&bounds, strip[0]); |
| currVertex += vertexStride; |
| |
| *(reinterpret_cast<SkPoint*>(currVertex)) = strip[1]; |
| *(reinterpret_cast<SkPoint*>(currVertex + texOffset)) = |
| SkPoint::Make(currRect.fLeft, currRect.fBottom); |
| SkRectPriv::GrowToInclude(&bounds, strip[1]); |
| currVertex += vertexStride; |
| |
| *(reinterpret_cast<SkPoint*>(currVertex)) = strip[2]; |
| *(reinterpret_cast<SkPoint*>(currVertex + texOffset)) = |
| SkPoint::Make(currRect.fRight, currRect.fTop); |
| SkRectPriv::GrowToInclude(&bounds, strip[2]); |
| currVertex += vertexStride; |
| |
| *(reinterpret_cast<SkPoint*>(currVertex)) = strip[3]; |
| *(reinterpret_cast<SkPoint*>(currVertex + texOffset)) = |
| SkPoint::Make(currRect.fRight, currRect.fBottom); |
| SkRectPriv::GrowToInclude(&bounds, strip[3]); |
| currVertex += vertexStride; |
| } |
| |
| this->setTransformedBounds(bounds, viewMatrix, HasAABloat::kNo, IsHairline::kNo); |
| } |
| |
| #if GR_TEST_UTILS |
| SkString DrawAtlasOp::onDumpInfo() const { |
| SkString string; |
| for (const auto& geo : fGeoData) { |
| string.appendf("Color: 0x%08x, Quads: %d\n", geo.fColor.toBytes_RGBA(), |
| geo.fVerts.count() / 4); |
| } |
| string += fHelper.dumpInfo(); |
| return string; |
| } |
| #endif |
| |
| void DrawAtlasOp::onCreateProgramInfo(const GrCaps* caps, |
| SkArenaAlloc* arena, |
| const GrSurfaceProxyView& writeView, |
| GrAppliedClip&& appliedClip, |
| const GrDstProxyView& dstProxyView, |
| GrXferBarrierFlags renderPassXferBarriers, |
| GrLoadOp colorLoadOp) { |
| // Setup geometry processor |
| GrGeometryProcessor* gp = make_gp(arena, |
| this->hasColors(), |
| this->color(), |
| this->viewMatrix()); |
| |
| fProgramInfo = fHelper.createProgramInfo(caps, arena, writeView, std::move(appliedClip), |
| dstProxyView, gp, GrPrimitiveType::kTriangles, |
| renderPassXferBarriers, colorLoadOp); |
| } |
| |
| void DrawAtlasOp::onPrepareDraws(Target* target) { |
| if (!fProgramInfo) { |
| this->createProgramInfo(target); |
| } |
| |
| int instanceCount = fGeoData.count(); |
| size_t vertexStride = fProgramInfo->geomProc().vertexStride(); |
| |
| int numQuads = this->quadCount(); |
| QuadHelper helper(target, vertexStride, numQuads); |
| void* verts = helper.vertices(); |
| if (!verts) { |
| SkDebugf("Could not allocate vertices\n"); |
| return; |
| } |
| |
| uint8_t* vertPtr = reinterpret_cast<uint8_t*>(verts); |
| for (int i = 0; i < instanceCount; i++) { |
| const Geometry& args = fGeoData[i]; |
| |
| size_t allocSize = args.fVerts.count(); |
| memcpy(vertPtr, args.fVerts.begin(), allocSize); |
| vertPtr += allocSize; |
| } |
| |
| fMesh = helper.mesh(); |
| } |
| |
| void DrawAtlasOp::onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) { |
| if (!fProgramInfo || !fMesh) { |
| return; |
| } |
| |
| flushState->bindPipelineAndScissorClip(*fProgramInfo, chainBounds); |
| flushState->bindTextures(fProgramInfo->geomProc(), nullptr, fProgramInfo->pipeline()); |
| flushState->drawMesh(*fMesh); |
| } |
| |
| GrOp::CombineResult DrawAtlasOp::onCombineIfPossible(GrOp* t, SkArenaAlloc*, const GrCaps& caps) { |
| DrawAtlasOp* that = t->cast<DrawAtlasOp>(); |
| |
| if (!fHelper.isCompatible(that->fHelper, caps, this->bounds(), that->bounds())) { |
| return CombineResult::kCannotCombine; |
| } |
| |
| // We currently use a uniform viewmatrix for this op. |
| if (!SkMatrixPriv::CheapEqual(this->viewMatrix(), that->viewMatrix())) { |
| return CombineResult::kCannotCombine; |
| } |
| |
| if (this->hasColors() != that->hasColors()) { |
| return CombineResult::kCannotCombine; |
| } |
| |
| if (!this->hasColors() && this->color() != that->color()) { |
| return CombineResult::kCannotCombine; |
| } |
| |
| fGeoData.push_back_n(that->fGeoData.count(), that->fGeoData.begin()); |
| fQuadCount += that->quadCount(); |
| |
| return CombineResult::kMerged; |
| } |
| |
| GrDrawOp::FixedFunctionFlags DrawAtlasOp::fixedFunctionFlags() const { |
| return fHelper.fixedFunctionFlags(); |
| } |
| |
| GrProcessorSet::Analysis DrawAtlasOp::finalize(const GrCaps& caps, const GrAppliedClip* clip, |
| GrClampType clampType) { |
| GrProcessorAnalysisColor gpColor; |
| if (this->hasColors()) { |
| gpColor.setToUnknown(); |
| } else { |
| gpColor.setToConstant(fColor); |
| } |
| auto result = fHelper.finalizeProcessors(caps, clip, clampType, |
| GrProcessorAnalysisCoverage::kNone, &gpColor); |
| if (gpColor.isConstant(&fColor)) { |
| fHasColors = false; |
| } |
| return result; |
| } |
| |
| } // anonymous namespace |
| |
| GrOp::Owner GrDrawAtlasOp::Make(GrRecordingContext* context, |
| GrPaint&& paint, |
| const SkMatrix& viewMatrix, |
| GrAAType aaType, |
| int spriteCount, |
| const SkRSXform* xforms, |
| const SkRect* rects, |
| const SkColor* colors) { |
| return GrSimpleMeshDrawOpHelper::FactoryHelper<DrawAtlasOp>(context, std::move(paint), |
| viewMatrix, aaType, |
| spriteCount, xforms, |
| rects, colors); |
| } |
| |
| #if GR_TEST_UTILS |
| |
| static SkRSXform random_xform(SkRandom* random) { |
| static const SkScalar kMinExtent = -100.f; |
| static const SkScalar kMaxExtent = 100.f; |
| static const SkScalar kMinScale = 0.1f; |
| static const SkScalar kMaxScale = 100.f; |
| static const SkScalar kMinRotate = -SK_ScalarPI; |
| static const SkScalar kMaxRotate = SK_ScalarPI; |
| |
| SkRSXform xform = SkRSXform::MakeFromRadians(random->nextRangeScalar(kMinScale, kMaxScale), |
| random->nextRangeScalar(kMinRotate, kMaxRotate), |
| random->nextRangeScalar(kMinExtent, kMaxExtent), |
| random->nextRangeScalar(kMinExtent, kMaxExtent), |
| random->nextRangeScalar(kMinExtent, kMaxExtent), |
| random->nextRangeScalar(kMinExtent, kMaxExtent)); |
| return xform; |
| } |
| |
| static SkRect random_texRect(SkRandom* random) { |
| static const SkScalar kMinCoord = 0.0f; |
| static const SkScalar kMaxCoord = 1024.f; |
| |
| SkRect texRect = SkRect::MakeLTRB(random->nextRangeScalar(kMinCoord, kMaxCoord), |
| random->nextRangeScalar(kMinCoord, kMaxCoord), |
| random->nextRangeScalar(kMinCoord, kMaxCoord), |
| random->nextRangeScalar(kMinCoord, kMaxCoord)); |
| texRect.sort(); |
| return texRect; |
| } |
| |
| static void randomize_params(uint32_t count, SkRandom* random, SkTArray<SkRSXform>* xforms, |
| SkTArray<SkRect>* texRects, SkTArray<GrColor>* colors, |
| bool hasColors) { |
| for (uint32_t v = 0; v < count; v++) { |
| xforms->push_back(random_xform(random)); |
| texRects->push_back(random_texRect(random)); |
| if (hasColors) { |
| colors->push_back(GrRandomColor(random)); |
| } |
| } |
| } |
| |
| GR_DRAW_OP_TEST_DEFINE(DrawAtlasOp) { |
| uint32_t spriteCount = random->nextRangeU(1, 100); |
| |
| SkTArray<SkRSXform> xforms(spriteCount); |
| SkTArray<SkRect> texRects(spriteCount); |
| SkTArray<GrColor> colors; |
| |
| bool hasColors = random->nextBool(); |
| |
| randomize_params(spriteCount, random, &xforms, &texRects, &colors, hasColors); |
| |
| SkMatrix viewMatrix = GrTest::TestMatrix(random); |
| GrAAType aaType = GrAAType::kNone; |
| if (numSamples > 1 && random->nextBool()) { |
| aaType = GrAAType::kMSAA; |
| } |
| |
| return GrDrawAtlasOp::Make(context, std::move(paint), viewMatrix, aaType, spriteCount, |
| xforms.begin(), texRects.begin(), |
| hasColors ? colors.begin() : nullptr); |
| } |
| |
| #endif |