bsalomon | add79ef | 2015-08-19 13:26:49 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef GrDrawPathBatch_DEFINED |
| 9 | #define GrDrawPathBatch_DEFINED |
| 10 | |
| 11 | #include "GrDrawBatch.h" |
| 12 | #include "GrGpu.h" |
| 13 | #include "GrPath.h" |
| 14 | #include "GrPathRendering.h" |
| 15 | #include "GrPathProcessor.h" |
| 16 | |
| 17 | class GrDrawPathBatch final : public GrDrawBatch { |
| 18 | public: |
| 19 | // This must return the concrete type because we install the stencil settings late :( |
| 20 | static GrDrawPathBatch* Create(const GrPathProcessor* primProc, const GrPath* path) { |
| 21 | return SkNEW_ARGS(GrDrawPathBatch, (primProc, path)); |
| 22 | } |
| 23 | |
| 24 | const char* name() const override { return "DrawPath"; } |
| 25 | |
| 26 | SkString dumpInfo() const override { |
| 27 | SkString string; |
| 28 | string.printf("PATH: 0x%p", fPath.get()); |
| 29 | return string; |
| 30 | } |
| 31 | |
| 32 | virtual void getInvariantOutputColor(GrInitInvariantOutput* out) const { |
| 33 | fPrimitiveProcessor->getInvariantOutputColor(out); |
| 34 | } |
| 35 | |
| 36 | virtual void getInvariantOutputCoverage(GrInitInvariantOutput* out) const { |
| 37 | fPrimitiveProcessor->getInvariantOutputCoverage(out); |
| 38 | } |
| 39 | |
| 40 | void setStencilSettings(const GrStencilSettings& stencil) { fStencilSettings = stencil; } |
| 41 | |
| 42 | private: |
| 43 | GrBatchTracker* tracker() { return reinterpret_cast<GrBatchTracker*>(&fWhatchamacallit); } |
| 44 | GrDrawPathBatch(const GrPathProcessor* primProc, const GrPath* path) |
| 45 | : fPrimitiveProcessor(primProc) |
| 46 | , fPath(path) { |
| 47 | fBounds = path->getBounds(); |
| 48 | primProc->viewMatrix().mapRect(&fBounds); |
| 49 | this->initClassID<GrDrawPathBatch>(); |
| 50 | } |
| 51 | |
| 52 | virtual void initBatchTracker(const GrPipelineOptimizations& opts) { |
| 53 | fPrimitiveProcessor->initBatchTracker(this->tracker(), opts); |
| 54 | } |
| 55 | |
| 56 | bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override { return false; } |
| 57 | |
| 58 | void onPrepare(GrBatchFlushState*) override {} |
| 59 | |
| 60 | void onDraw(GrBatchFlushState* state) override { |
| 61 | GrProgramDesc desc; |
| 62 | state->gpu()->buildProgramDesc(&desc, *fPrimitiveProcessor.get(), |
| 63 | *this->pipeline(), *this->tracker()); |
| 64 | GrPathRendering::DrawPathArgs args(fPrimitiveProcessor.get(), this->pipeline(), |
| 65 | &desc, this->tracker(), &fStencilSettings); |
| 66 | state->gpu()->pathRendering()->drawPath(args, fPath.get()); |
| 67 | } |
| 68 | |
| 69 | GrPendingProgramElement<const GrPathProcessor> fPrimitiveProcessor; |
| 70 | PathBatchTracker fWhatchamacallit; // TODO: delete this |
| 71 | GrStencilSettings fStencilSettings; |
| 72 | GrPendingIOResource<const GrPath, kRead_GrIOType> fPath; |
| 73 | }; |
| 74 | |
| 75 | #endif |