| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrClearBatch_DEFINED |
| #define GrClearBatch_DEFINED |
| |
| #include "GrBatch.h" |
| #include "GrBatchFlushState.h" |
| #include "GrGpu.h" |
| #include "GrGpuCommandBuffer.h" |
| #include "GrRenderTarget.h" |
| |
| class GrClearBatch final : public GrBatch { |
| public: |
| DEFINE_BATCH_CLASS_ID |
| |
| static sk_sp<GrClearBatch> Make(const SkIRect& rect, GrColor color, GrRenderTarget* rt) { |
| return sk_sp<GrClearBatch>(new GrClearBatch(rect, color, rt)); |
| } |
| |
| const char* name() const override { return "Clear"; } |
| |
| uint32_t renderTargetUniqueID() const override { return fRenderTarget.get()->getUniqueID(); } |
| GrRenderTarget* renderTarget() const override { return fRenderTarget.get(); } |
| |
| SkString dumpInfo() const override { |
| SkString string; |
| string.printf("Color: 0x%08x, Rect [L: %d, T: %d, R: %d, B: %d], RT: %d", |
| fColor, fRect.fLeft, fRect.fTop, fRect.fRight, fRect.fBottom, |
| fRenderTarget.get()->getUniqueID()); |
| string.append(INHERITED::dumpInfo()); |
| return string; |
| } |
| |
| void setColor(GrColor color) { fColor = color; } |
| |
| private: |
| GrClearBatch(const SkIRect& rect, GrColor color, GrRenderTarget* rt) |
| : INHERITED(ClassID()) |
| , fRect(rect) |
| , fColor(color) |
| , fRenderTarget(rt) { |
| this->setBounds(SkRect::Make(rect), HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override { |
| // This could be much more complicated. Currently we look at cases where the new clear |
| // contains the old clear, or when the new clear is a subset of the old clear and is the |
| // same color. |
| GrClearBatch* cb = t->cast<GrClearBatch>(); |
| SkASSERT(cb->fRenderTarget == fRenderTarget); |
| if (cb->fRect.contains(fRect)) { |
| fRect = cb->fRect; |
| this->replaceBounds(*t); |
| fColor = cb->fColor; |
| return true; |
| } else if (cb->fColor == fColor && fRect.contains(cb->fRect)) { |
| return true; |
| } |
| return false; |
| } |
| |
| void onPrepare(GrBatchFlushState*) override {} |
| |
| void onDraw(GrBatchFlushState* state) override { |
| state->commandBuffer()->clear(fRect, fColor, fRenderTarget.get()); |
| } |
| |
| SkIRect fRect; |
| GrColor fColor; |
| GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> fRenderTarget; |
| |
| typedef GrBatch INHERITED; |
| }; |
| |
| #endif |