The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/GrRenderTarget.cpp
gfx/skia/trunk/src/gpu/GrRenderTarget.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:2198e7487be5 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 | |
| 10 #include "GrRenderTarget.h" | |
| 11 | |
| 12 #include "GrContext.h" | |
| 13 #include "GrGpu.h" | |
| 14 #include "GrStencilBuffer.h" | |
| 15 | |
| 16 bool GrRenderTarget::readPixels(int left, int top, int width, int height, | |
| 17 GrPixelConfig config, | |
| 18 void* buffer, | |
| 19 size_t rowBytes, | |
| 20 uint32_t pixelOpsFlags) { | |
| 21 // go through context so that all necessary flushing occurs | |
| 22 GrContext* context = this->getContext(); | |
| 23 if (NULL == context) { | |
| 24 return false; | |
| 25 } | |
| 26 return context->readRenderTargetPixels(this, | |
| 27 left, top, width, height, | |
| 28 config, buffer, rowBytes, | |
| 29 pixelOpsFlags); | |
| 30 } | |
| 31 | |
| 32 void GrRenderTarget::writePixels(int left, int top, int width, int height, | |
| 33 GrPixelConfig config, | |
| 34 const void* buffer, | |
| 35 size_t rowBytes, | |
| 36 uint32_t pixelOpsFlags) { | |
| 37 // go through context so that all necessary flushing occurs | |
| 38 GrContext* context = this->getContext(); | |
| 39 if (NULL == context) { | |
| 40 return; | |
| 41 } | |
| 42 context->writeRenderTargetPixels(this, | |
| 43 left, top, width, height, | |
| 44 config, buffer, rowBytes, | |
| 45 pixelOpsFlags); | |
| 46 } | |
| 47 | |
| 48 void GrRenderTarget::resolve() { | |
| 49 // go through context so that all necessary flushing occurs | |
| 50 GrContext* context = this->getContext(); | |
| 51 if (NULL == context) { | |
| 52 return; | |
| 53 } | |
| 54 context->resolveRenderTarget(this); | |
| 55 } | |
| 56 | |
| 57 size_t GrRenderTarget::sizeInBytes() const { | |
| 58 size_t colorBits; | |
| 59 if (kUnknown_GrPixelConfig == fDesc.fConfig) { | |
| 60 colorBits = 32; // don't know, make a guess | |
| 61 } else { | |
| 62 colorBits = GrBytesPerPixel(fDesc.fConfig); | |
| 63 } | |
| 64 uint64_t size = fDesc.fWidth; | |
| 65 size *= fDesc.fHeight; | |
| 66 size *= colorBits; | |
| 67 size *= GrMax(1, fDesc.fSampleCnt); | |
| 68 return (size_t)(size / 8); | |
| 69 } | |
| 70 | |
| 71 void GrRenderTarget::flagAsNeedingResolve(const SkIRect* rect) { | |
| 72 if (kCanResolve_ResolveType == getResolveType()) { | |
| 73 if (NULL != rect) { | |
| 74 fResolveRect.join(*rect); | |
| 75 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) { | |
| 76 fResolveRect.setEmpty(); | |
| 77 } | |
| 78 } else { | |
| 79 fResolveRect.setLTRB(0, 0, this->width(), this->height()); | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 void GrRenderTarget::overrideResolveRect(const SkIRect rect) { | |
| 85 fResolveRect = rect; | |
| 86 if (fResolveRect.isEmpty()) { | |
| 87 fResolveRect.setLargestInverted(); | |
| 88 } else { | |
| 89 if (!fResolveRect.intersect(0, 0, this->width(), this->height())) { | |
| 90 fResolveRect.setLargestInverted(); | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 void GrRenderTarget::setStencilBuffer(GrStencilBuffer* stencilBuffer) { | |
| 96 SkRefCnt_SafeAssign(fStencilBuffer, stencilBuffer); | |
| 97 } | |
| 98 | |
| 99 void GrRenderTarget::onRelease() { | |
| 100 this->setStencilBuffer(NULL); | |
| 101 | |
| 102 INHERITED::onRelease(); | |
| 103 } | |
| 104 | |
| 105 void GrRenderTarget::onAbandon() { | |
| 106 this->setStencilBuffer(NULL); | |
| 107 | |
| 108 INHERITED::onAbandon(); | |
| 109 } |
