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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "GrContext.h" | 8 #include "GrContext.h" |
9 #include "GrDrawContext.h" | 9 #include "GrDrawContext.h" |
10 #include "GrYUVProvider.h" | 10 #include "GrYUVProvider.h" |
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91 GrSurfaceDesc yuvDesc; | 91 GrSurfaceDesc yuvDesc; |
92 yuvDesc.fConfig = kAlpha_8_GrPixelConfig; | 92 yuvDesc.fConfig = kAlpha_8_GrPixelConfig; |
93 SkAutoTUnref<GrTexture> yuvTextures[3]; | 93 SkAutoTUnref<GrTexture> yuvTextures[3]; |
94 for (int i = 0; i < 3; ++i) { | 94 for (int i = 0; i < 3; ++i) { |
95 yuvDesc.fWidth = yuvInfo.fSize[i].fWidth; | 95 yuvDesc.fWidth = yuvInfo.fSize[i].fWidth; |
96 yuvDesc.fHeight = yuvInfo.fSize[i].fHeight; | 96 yuvDesc.fHeight = yuvInfo.fSize[i].fHeight; |
97 // TODO: why do we need this check? | 97 // TODO: why do we need this check? |
98 bool needsExactTexture = (yuvDesc.fWidth != yuvInfo.fSize[0].fWidth) || | 98 bool needsExactTexture = (yuvDesc.fWidth != yuvInfo.fSize[0].fWidth) || |
99 (yuvDesc.fHeight != yuvInfo.fSize[0].fHeight); | 99 (yuvDesc.fHeight != yuvInfo.fSize[0].fHeight); |
100 if (needsExactTexture) { | 100 if (needsExactTexture) { |
101 yuvTextures[i].reset(ctx->textureProvider()->createTexture(yuvDesc,
SkBudgeted::kYes)); | 101 yuvTextures[i].reset(ctx->textureProvider()->createTexture(yuvDesc,
true)); |
102 } else { | 102 } else { |
103 yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuv
Desc)); | 103 yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuv
Desc)); |
104 } | 104 } |
105 if (!yuvTextures[i] || | 105 if (!yuvTextures[i] || |
106 !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, | 106 !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, |
107 yuvDesc.fConfig, planes[i], yuvInfo.fRo
wBytes[i])) { | 107 yuvDesc.fConfig, planes[i], yuvInfo.fRo
wBytes[i])) { |
108 return nullptr; | 108 return nullptr; |
109 } | 109 } |
110 } | 110 } |
111 | 111 |
112 GrSurfaceDesc rtDesc = desc; | 112 GrSurfaceDesc rtDesc = desc; |
113 rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag; | 113 rtDesc.fFlags = rtDesc.fFlags | kRenderTarget_GrSurfaceFlag; |
114 | 114 |
115 SkAutoTUnref<GrTexture> result(ctx->textureProvider()->createTexture(rtDesc,
SkBudgeted::kYes, | 115 SkAutoTUnref<GrTexture> result(ctx->textureProvider()->createTexture(rtDesc,
true, nullptr, 0)); |
116 nullptr
, 0)); | |
117 if (!result) { | 116 if (!result) { |
118 return nullptr; | 117 return nullptr; |
119 } | 118 } |
120 | 119 |
121 GrRenderTarget* renderTarget = result->asRenderTarget(); | 120 GrRenderTarget* renderTarget = result->asRenderTarget(); |
122 SkASSERT(renderTarget); | 121 SkASSERT(renderTarget); |
123 | 122 |
124 GrPaint paint; | 123 GrPaint paint; |
125 SkAutoTUnref<const GrFragmentProcessor> yuvToRgbProcessor( | 124 SkAutoTUnref<const GrFragmentProcessor> yuvToRgbProcessor( |
126 GrYUVEffect::CreateYUVToRGB(yuvTextures[
0], | 125 GrYUVEffect::CreateYUVToRGB(yuvTextures[
0], |
127 yuvTextures[
1], | 126 yuvTextures[
1], |
128 yuvTextures[
2], | 127 yuvTextures[
2], |
129 yuvInfo.fSiz
e, | 128 yuvInfo.fSiz
e, |
130 yuvInfo.fCol
orSpace)); | 129 yuvInfo.fCol
orSpace)); |
131 paint.addColorFragmentProcessor(yuvToRgbProcessor); | 130 paint.addColorFragmentProcessor(yuvToRgbProcessor); |
132 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); | 131 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); |
133 const SkRect r = SkRect::MakeIWH(yuvInfo.fSize[0].fWidth, yuvInfo.fSize[0].f
Height); | 132 const SkRect r = SkRect::MakeIWH(yuvInfo.fSize[0].fWidth, yuvInfo.fSize[0].f
Height); |
134 | 133 |
135 SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext(renderTarget)); | 134 SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext(renderTarget)); |
136 if (!drawContext) { | 135 if (!drawContext) { |
137 return nullptr; | 136 return nullptr; |
138 } | 137 } |
139 | 138 |
140 drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), r); | 139 drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), r); |
141 | 140 |
142 return result.detach(); | 141 return result.detach(); |
143 } | 142 } |
144 | 143 |
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