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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkGpuDevice.h" | 8 #include "SkGpuDevice.h" |
9 | 9 |
10 #include "effects/GrBicubicEffect.h" | 10 #include "effects/GrBicubicEffect.h" |
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1864 | 1864 |
1865 fContext->getLayerCache()->trackPicture(picture); | 1865 fContext->getLayerCache()->trackPicture(picture); |
1866 } | 1866 } |
1867 | 1867 |
1868 static void wrap_texture(GrTexture* texture, int width, int height, SkBitmap* re
sult) { | 1868 static void wrap_texture(GrTexture* texture, int width, int height, SkBitmap* re
sult) { |
1869 SkImageInfo info = SkImageInfo::MakeN32Premul(width, height); | 1869 SkImageInfo info = SkImageInfo::MakeN32Premul(width, height); |
1870 result->setInfo(info); | 1870 result->setInfo(info); |
1871 result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, texture)))->unref(); | 1871 result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, texture)))->unref(); |
1872 } | 1872 } |
1873 | 1873 |
1874 bool SkGpuDevice::EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* pi
cture) { | 1874 bool SkGpuDevice::EXPERIMENTAL_drawPicture(SkCanvas* mainCanvas, const SkPicture
* picture) { |
1875 fContext->getLayerCache()->processDeletedPictures(); | 1875 fContext->getLayerCache()->processDeletedPictures(); |
1876 | 1876 |
1877 SkPicture::AccelData::Key key = GPUAccelData::ComputeAccelDataKey(); | 1877 SkPicture::AccelData::Key key = GPUAccelData::ComputeAccelDataKey(); |
1878 | 1878 |
1879 const SkPicture::AccelData* data = picture->EXPERIMENTAL_getAccelData(key); | 1879 const SkPicture::AccelData* data = picture->EXPERIMENTAL_getAccelData(key); |
1880 if (NULL == data) { | 1880 if (NULL == data) { |
1881 return false; | 1881 return false; |
1882 } | 1882 } |
1883 | 1883 |
1884 const GPUAccelData *gpuData = static_cast<const GPUAccelData*>(data); | 1884 const GPUAccelData *gpuData = static_cast<const GPUAccelData*>(data); |
1885 | 1885 |
1886 if (0 == gpuData->numSaveLayers()) { | 1886 if (0 == gpuData->numSaveLayers()) { |
1887 return false; | 1887 return false; |
1888 } | 1888 } |
1889 | 1889 |
1890 SkAutoTArray<bool> pullForward(gpuData->numSaveLayers()); | 1890 SkAutoTArray<bool> pullForward(gpuData->numSaveLayers()); |
1891 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { | 1891 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { |
1892 pullForward[i] = false; | 1892 pullForward[i] = false; |
1893 } | 1893 } |
1894 | 1894 |
1895 SkRect clipBounds; | 1895 SkRect clipBounds; |
1896 if (!canvas->getClipBounds(&clipBounds)) { | 1896 if (!mainCanvas->getClipBounds(&clipBounds)) { |
1897 return true; | 1897 return true; |
1898 } | 1898 } |
1899 SkIRect query; | 1899 SkIRect query; |
1900 clipBounds.roundOut(&query); | 1900 clipBounds.roundOut(&query); |
1901 | 1901 |
1902 SkAutoTDelete<const SkPicture::OperationList> ops(picture->EXPERIMENTAL_getA
ctiveOps(query)); | 1902 SkAutoTDelete<const SkPicture::OperationList> ops(picture->EXPERIMENTAL_getA
ctiveOps(query)); |
1903 | 1903 |
1904 // This code pre-renders the entire layer since it will be cached and potent
ially | 1904 // This code pre-renders the entire layer since it will be cached and potent
ially |
1905 // reused with different clips (e.g., in different tiles). Because of this t
he | 1905 // reused with different clips (e.g., in different tiles). Because of this t
he |
1906 // clip will not be limiting the size of the pre-rendered layer. kSaveLayerM
axSize | 1906 // clip will not be limiting the size of the pre-rendered layer. kSaveLayerM
axSize |
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1963 info.fIsNested) { | 1963 info.fIsNested) { |
1964 continue; | 1964 continue; |
1965 } | 1965 } |
1966 | 1966 |
1967 pullForward[j] = true; | 1967 pullForward[j] = true; |
1968 } | 1968 } |
1969 } | 1969 } |
1970 | 1970 |
1971 SkPictureReplacementPlayback::PlaybackReplacements replacements; | 1971 SkPictureReplacementPlayback::PlaybackReplacements replacements; |
1972 | 1972 |
| 1973 SkTDArray<GrCachedLayer*> atlased, nonAtlased; |
| 1974 atlased.setReserve(gpuData->numSaveLayers()); |
| 1975 |
1973 // Generate the layer and/or ensure it is locked | 1976 // Generate the layer and/or ensure it is locked |
1974 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { | 1977 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { |
1975 if (pullForward[i]) { | 1978 if (pullForward[i]) { |
1976 GrCachedLayer* layer = fContext->getLayerCache()->findLayerOrCreate(
picture, i); | 1979 const GPUAccelData::SaveLayerInfo& info = gpuData->saveLayerInfo(i); |
1977 | 1980 |
1978 const GPUAccelData::SaveLayerInfo& info = gpuData->saveLayerInfo(i); | 1981 GrCachedLayer* layer = fContext->getLayerCache()->findLayerOrCreate(
picture, |
| 1982
info.fSaveLayerOpID, |
| 1983
info.fRestoreOpID, |
| 1984
info.fCTM); |
1979 | 1985 |
1980 SkPictureReplacementPlayback::PlaybackReplacements::ReplacementInfo*
layerInfo = | 1986 SkPictureReplacementPlayback::PlaybackReplacements::ReplacementInfo*
layerInfo = |
1981 replacem
ents.push(); | 1987 replacem
ents.push(); |
1982 layerInfo->fStart = info.fSaveLayerOpID; | 1988 layerInfo->fStart = info.fSaveLayerOpID; |
1983 layerInfo->fStop = info.fRestoreOpID; | 1989 layerInfo->fStop = info.fRestoreOpID; |
1984 layerInfo->fPos = info.fOffset; | 1990 layerInfo->fPos = info.fOffset; |
1985 | 1991 |
1986 GrTextureDesc desc; | 1992 GrTextureDesc desc; |
1987 desc.fFlags = kRenderTarget_GrTextureFlagBit; | 1993 desc.fFlags = kRenderTarget_GrTextureFlagBit; |
1988 desc.fWidth = info.fSize.fWidth; | 1994 desc.fWidth = info.fSize.fWidth; |
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2002 layerInfo->fBM); | 2008 layerInfo->fBM); |
2003 | 2009 |
2004 SkASSERT(info.fPaint); | 2010 SkASSERT(info.fPaint); |
2005 layerInfo->fPaint = info.fPaint; | 2011 layerInfo->fPaint = info.fPaint; |
2006 | 2012 |
2007 layerInfo->fSrcRect = SkIRect::MakeXYWH(layer->rect().fLeft, | 2013 layerInfo->fSrcRect = SkIRect::MakeXYWH(layer->rect().fLeft, |
2008 layer->rect().fTop, | 2014 layer->rect().fTop, |
2009 layer->rect().width(), | 2015 layer->rect().width(), |
2010 layer->rect().height()); | 2016 layer->rect().height()); |
2011 | 2017 |
2012 | |
2013 if (needsRendering) { | 2018 if (needsRendering) { |
2014 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect
( | |
2015 layer->texture()->asRenderTa
rget(), | |
2016 SkSurface::kStandard_TextRen
derMode, | |
2017 SkSurface::kDontClear_Render
TargetFlag)); | |
2018 | |
2019 SkCanvas* canvas = surface->getCanvas(); | |
2020 | |
2021 // Add a rect clip to make sure the rendering doesn't | |
2022 // extend beyond the boundaries of the atlased sub-rect | |
2023 SkRect bound = SkRect::Make(layerInfo->fSrcRect); | |
2024 canvas->clipRect(bound); | |
2025 | |
2026 if (layer->isAtlased()) { | 2019 if (layer->isAtlased()) { |
2027 // Since 'clear' doesn't respect the clip we need to draw a
rect | 2020 *atlased.append() = layer; |
2028 // TODO: ensure none of the atlased layers contain a clear c
all! | |
2029 SkPaint paint; | |
2030 paint.setColor(SK_ColorTRANSPARENT); | |
2031 paint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode))
->unref(); | |
2032 canvas->drawRect(bound, paint); | |
2033 } else { | 2021 } else { |
2034 canvas->clear(SK_ColorTRANSPARENT); | 2022 *nonAtlased.append() = layer; |
2035 } | 2023 } |
2036 | |
2037 // info.fCTM maps the layer's top/left to the origin. | |
2038 // If this layer is atlased the top/left corner needs | |
2039 // to be offset to some arbitrary location in the backing | |
2040 // texture. | |
2041 canvas->translate(bound.fLeft, bound.fTop); | |
2042 canvas->concat(info.fCTM); | |
2043 | |
2044 SkPictureRangePlayback rangePlayback(picture, | |
2045 info.fSaveLayerOpID, | |
2046 info.fRestoreOpID); | |
2047 rangePlayback.draw(canvas, NULL); | |
2048 | |
2049 canvas->flush(); | |
2050 } | 2024 } |
2051 } | 2025 } |
2052 } | 2026 } |
2053 | 2027 |
2054 // Playback using new layers | 2028 // Render the atlased layers that require it |
| 2029 if (atlased.count() > 0) { |
| 2030 // All the atlased layers are rendered into the same GrTexture |
| 2031 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect( |
| 2032 atlased[0]->texture()->asRenderTarget(), |
| 2033 SkSurface::kStandard_TextRenderMode, |
| 2034 SkSurface::kDontClear_RenderTargetFlag))
; |
| 2035 |
| 2036 SkCanvas* atlasCanvas = surface->getCanvas(); |
| 2037 |
| 2038 SkPaint paint; |
| 2039 paint.setColor(SK_ColorTRANSPARENT); |
| 2040 paint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode))->unref(); |
| 2041 |
| 2042 for (int i = 0; i < atlased.count(); ++i) { |
| 2043 GrCachedLayer* layer = atlased[i]; |
| 2044 |
| 2045 atlasCanvas->save(); |
| 2046 |
| 2047 // Add a rect clip to make sure the rendering doesn't |
| 2048 // extend beyond the boundaries of the atlased sub-rect |
| 2049 SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft), |
| 2050 SkIntToScalar(layer->rect().fTop), |
| 2051 SkIntToScalar(layer->rect().width())
, |
| 2052 SkIntToScalar(layer->rect().height()
)); |
| 2053 atlasCanvas->clipRect(bound); |
| 2054 |
| 2055 // Since 'clear' doesn't respect the clip we need to draw a rect |
| 2056 // TODO: ensure none of the atlased layers contain a clear call! |
| 2057 atlasCanvas->drawRect(bound, paint); |
| 2058 |
| 2059 // info.fCTM maps the layer's top/left to the origin. |
| 2060 // Since this layer is atlased, the top/left corner needs |
| 2061 // to be offset to the correct location in the backing texture. |
| 2062 atlasCanvas->translate(bound.fLeft, bound.fTop); |
| 2063 atlasCanvas->concat(layer->ctm()); |
| 2064 |
| 2065 SkPictureRangePlayback rangePlayback(picture, |
| 2066 layer->start(), |
| 2067 layer->stop()); |
| 2068 rangePlayback.draw(atlasCanvas, NULL); |
| 2069 |
| 2070 atlasCanvas->restore(); |
| 2071 } |
| 2072 |
| 2073 atlasCanvas->flush(); |
| 2074 } |
| 2075 |
| 2076 // Render the non-atlased layers that require it |
| 2077 for (int i = 0; i < nonAtlased.count(); ++i) { |
| 2078 GrCachedLayer* layer = nonAtlased[i]; |
| 2079 |
| 2080 // Each non-atlased layer has its own GrTexture |
| 2081 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect( |
| 2082 layer->texture()->asRenderTarget(), |
| 2083 SkSurface::kStandard_TextRenderMode, |
| 2084 SkSurface::kDontClear_RenderTargetFlag))
; |
| 2085 |
| 2086 SkCanvas* layerCanvas = surface->getCanvas(); |
| 2087 |
| 2088 // Add a rect clip to make sure the rendering doesn't |
| 2089 // extend beyond the boundaries of the atlased sub-rect |
| 2090 SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft), |
| 2091 SkIntToScalar(layer->rect().fTop), |
| 2092 SkIntToScalar(layer->rect().width()), |
| 2093 SkIntToScalar(layer->rect().height())); |
| 2094 |
| 2095 layerCanvas->clipRect(bound); // TODO: still useful? |
| 2096 |
| 2097 layerCanvas->clear(SK_ColorTRANSPARENT); |
| 2098 |
| 2099 layerCanvas->concat(layer->ctm()); |
| 2100 |
| 2101 SkPictureRangePlayback rangePlayback(picture, |
| 2102 layer->start(), |
| 2103 layer->stop()); |
| 2104 rangePlayback.draw(layerCanvas, NULL); |
| 2105 |
| 2106 layerCanvas->flush(); |
| 2107 } |
| 2108 |
| 2109 // Render the entire picture using new layers |
2055 SkPictureReplacementPlayback playback(picture, &replacements, ops.get()); | 2110 SkPictureReplacementPlayback playback(picture, &replacements, ops.get()); |
2056 | 2111 |
2057 playback.draw(canvas, NULL); | 2112 playback.draw(mainCanvas, NULL); |
2058 | 2113 |
2059 // unlock the layers | 2114 // unlock the layers |
2060 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { | 2115 for (int i = 0; i < gpuData->numSaveLayers(); ++i) { |
2061 GrCachedLayer* layer = fContext->getLayerCache()->findLayer(picture, i); | 2116 const GPUAccelData::SaveLayerInfo& info = gpuData->saveLayerInfo(i); |
| 2117 |
| 2118 GrCachedLayer* layer = fContext->getLayerCache()->findLayer(picture, |
| 2119 info.fSaveLa
yerOpID, |
| 2120 info.fRestor
eOpID, |
| 2121 info.fCTM); |
2062 fContext->getLayerCache()->unlock(layer); | 2122 fContext->getLayerCache()->unlock(layer); |
2063 } | 2123 } |
2064 | 2124 |
2065 return true; | 2125 return true; |
2066 } | 2126 } |
2067 | 2127 |
2068 SkImageFilter::UniqueIDCache* SkGpuDevice::getImageFilterCache() { | 2128 SkImageFilter::UniqueIDCache* SkGpuDevice::getImageFilterCache() { |
2069 // We always return a transient cache, so it is freed after each | 2129 // We always return a transient cache, so it is freed after each |
2070 // filter traversal. | 2130 // filter traversal. |
2071 return SkImageFilter::UniqueIDCache::Create(kDefaultImageFilterCacheSize); | 2131 return SkImageFilter::UniqueIDCache::Create(kDefaultImageFilterCacheSize); |
2072 } | 2132 } |
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