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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "SkSurface_Gpu.h" | 8 #include "SkSurface_Gpu.h" |
9 | 9 |
10 #include "GrResourceProvider.h" | 10 #include "GrResourceProvider.h" |
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65 SkCanvas::InitFlags flags = SkCanvas::kDefault_InitFlags; | 65 SkCanvas::InitFlags flags = SkCanvas::kDefault_InitFlags; |
66 flags = static_cast<SkCanvas::InitFlags>(flags | SkCanvas::kConservativeRast
erClip_InitFlag); | 66 flags = static_cast<SkCanvas::InitFlags>(flags | SkCanvas::kConservativeRast
erClip_InitFlag); |
67 | 67 |
68 return new SkCanvas(fDevice, flags); | 68 return new SkCanvas(fDevice, flags); |
69 } | 69 } |
70 | 70 |
71 SkSurface* SkSurface_Gpu::onNewSurface(const SkImageInfo& info) { | 71 SkSurface* SkSurface_Gpu::onNewSurface(const SkImageInfo& info) { |
72 GrRenderTarget* rt = fDevice->accessRenderTarget(); | 72 GrRenderTarget* rt = fDevice->accessRenderTarget(); |
73 int sampleCount = rt->numColorSamples(); | 73 int sampleCount = rt->numColorSamples(); |
74 // TODO: Make caller specify this (change virtual signature of onNewSurface)
. | 74 // TODO: Make caller specify this (change virtual signature of onNewSurface)
. |
75 static const SkBudgeted kBudgeted = SkBudgeted::kNo; | 75 static const Budgeted kBudgeted = kNo_Budgeted; |
76 return SkSurface::NewRenderTarget(fDevice->context(), kBudgeted, info, sampl
eCount, | 76 return SkSurface::NewRenderTarget(fDevice->context(), kBudgeted, info, sampl
eCount, |
77 &this->props()); | 77 &this->props()); |
78 } | 78 } |
79 | 79 |
80 SkImage* SkSurface_Gpu::onNewImageSnapshot(SkBudgeted budgeted, ForceCopyMode fo
rceCopyMode) { | 80 SkImage* SkSurface_Gpu::onNewImageSnapshot(Budgeted budgeted, ForceCopyMode forc
eCopyMode) { |
81 GrRenderTarget* rt = fDevice->accessRenderTarget(); | 81 GrRenderTarget* rt = fDevice->accessRenderTarget(); |
82 SkASSERT(rt); | 82 SkASSERT(rt); |
83 GrTexture* tex = rt->asTexture(); | 83 GrTexture* tex = rt->asTexture(); |
84 SkAutoTUnref<GrTexture> copy; | 84 SkAutoTUnref<GrTexture> copy; |
85 // TODO: Force a copy when the rt is an external resource. | 85 // TODO: Force a copy when the rt is an external resource. |
86 if (kYes_ForceCopyMode == forceCopyMode || !tex) { | 86 if (kYes_ForceCopyMode == forceCopyMode || !tex) { |
87 GrSurfaceDesc desc = fDevice->accessRenderTarget()->desc(); | 87 GrSurfaceDesc desc = fDevice->accessRenderTarget()->desc(); |
88 GrContext* ctx = fDevice->context(); | 88 GrContext* ctx = fDevice->context(); |
89 desc.fFlags = desc.fFlags & ~kRenderTarget_GrSurfaceFlag; | 89 desc.fFlags = desc.fFlags & ~kRenderTarget_GrSurfaceFlag; |
90 copy.reset(ctx->textureProvider()->createTexture(desc, budgeted)); | 90 copy.reset(ctx->textureProvider()->createTexture(desc, kYes_Budgeted ==
budgeted)); |
91 if (!copy) { | 91 if (!copy) { |
92 return nullptr; | 92 return nullptr; |
93 } | 93 } |
94 if (!ctx->copySurface(copy, rt)) { | 94 if (!ctx->copySurface(copy, rt)) { |
95 return nullptr; | 95 return nullptr; |
96 } | 96 } |
97 tex = copy; | 97 tex = copy; |
98 } | 98 } |
99 const SkImageInfo info = fDevice->imageInfo(); | 99 const SkImageInfo info = fDevice->imageInfo(); |
100 SkImage* image = nullptr; | 100 SkImage* image = nullptr; |
101 if (tex) { | 101 if (tex) { |
102 image = new SkImage_Gpu(info.width(), info.height(), kNeedNewImageUnique
ID, | 102 image = new SkImage_Gpu(info.width(), info.height(), kNeedNewImageUnique
ID, |
103 info.alphaType(), tex, budgeted); | 103 info.alphaType(), tex, budgeted); |
104 } | 104 } |
105 return image; | 105 return image; |
106 } | 106 } |
107 | 107 |
108 // Create a new render target and, if necessary, copy the contents of the old | 108 // Create a new render target and, if necessary, copy the contents of the old |
109 // render target into it. Note that this flushes the SkGpuDevice but | 109 // render target into it. Note that this flushes the SkGpuDevice but |
110 // doesn't force an OpenGL flush. | 110 // doesn't force an OpenGL flush. |
111 void SkSurface_Gpu::onCopyOnWrite(ContentChangeMode mode) { | 111 void SkSurface_Gpu::onCopyOnWrite(ContentChangeMode mode) { |
112 GrRenderTarget* rt = fDevice->accessRenderTarget(); | 112 GrRenderTarget* rt = fDevice->accessRenderTarget(); |
113 // are we sharing our render target with the image? Note this call should ne
ver create a new | 113 // are we sharing our render target with the image? Note this call should ne
ver create a new |
114 // image because onCopyOnWrite is only called when there is a cached image. | 114 // image because onCopyOnWrite is only called when there is a cached image. |
115 SkAutoTUnref<SkImage> image(this->refCachedImage(SkBudgeted::kNo, kNo_ForceU
nique)); | 115 SkAutoTUnref<SkImage> image(this->refCachedImage(kNo_Budgeted, kNo_ForceUniq
ue)); |
116 SkASSERT(image); | 116 SkASSERT(image); |
117 if (rt->asTexture() == as_IB(image)->getTexture()) { | 117 if (rt->asTexture() == as_IB(image)->getTexture()) { |
118 this->fDevice->replaceRenderTarget(SkSurface::kRetain_ContentChangeMode
== mode); | 118 this->fDevice->replaceRenderTarget(SkSurface::kRetain_ContentChangeMode
== mode); |
119 SkTextureImageApplyBudgetedDecision(image); | 119 SkTextureImageApplyBudgetedDecision(image); |
120 } else if (kDiscard_ContentChangeMode == mode) { | 120 } else if (kDiscard_ContentChangeMode == mode) { |
121 this->SkSurface_Gpu::onDiscard(); | 121 this->SkSurface_Gpu::onDiscard(); |
122 } | 122 } |
123 } | 123 } |
124 | 124 |
125 void SkSurface_Gpu::onDiscard() { | 125 void SkSurface_Gpu::onDiscard() { |
126 fDevice->accessRenderTarget()->discard(); | 126 fDevice->accessRenderTarget()->discard(); |
127 } | 127 } |
128 | 128 |
129 void SkSurface_Gpu::onPrepareForExternalIO() { | 129 void SkSurface_Gpu::onPrepareForExternalIO() { |
130 fDevice->accessRenderTarget()->prepareForExternalIO(); | 130 fDevice->accessRenderTarget()->prepareForExternalIO(); |
131 } | 131 } |
132 | 132 |
133 /////////////////////////////////////////////////////////////////////////////// | 133 /////////////////////////////////////////////////////////////////////////////// |
134 | 134 |
135 SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget* target, const SkSurf
aceProps* props) { | 135 SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget* target, const SkSurf
aceProps* props) { |
136 SkAutoTUnref<SkGpuDevice> device( | 136 SkAutoTUnref<SkGpuDevice> device( |
137 SkGpuDevice::Create(target, props, SkGpuDevice::kUninit_InitContents)); | 137 SkGpuDevice::Create(target, props, SkGpuDevice::kUninit_InitContents)); |
138 if (!device) { | 138 if (!device) { |
139 return nullptr; | 139 return nullptr; |
140 } | 140 } |
141 return new SkSurface_Gpu(device); | 141 return new SkSurface_Gpu(device); |
142 } | 142 } |
143 | 143 |
144 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, SkBudgeted budgeted, const
SkImageInfo& info, | 144 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, Budgeted budgeted, const S
kImageInfo& info, |
145 int sampleCount, const SkSurfaceProps* pro
ps, | 145 int sampleCount, const SkSurfaceProps* pro
ps, |
146 GrTextureStorageAllocator customAllocator)
{ | 146 GrTextureStorageAllocator customAllocator)
{ |
147 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create( | 147 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create( |
148 ctx, budgeted, info, sampleCount, props, SkGpuDevice::kClear_InitCon
tents, | 148 ctx, budgeted, info, sampleCount, props, SkGpuDevice::kClear_InitCon
tents, |
149 customAllocator)); | 149 customAllocator)); |
150 if (!device) { | 150 if (!device) { |
151 return nullptr; | 151 return nullptr; |
152 } | 152 } |
153 return new SkSurface_Gpu(device); | 153 return new SkSurface_Gpu(device); |
154 } | 154 } |
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205 } | 205 } |
206 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(rt, props, | 206 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(rt, props, |
207 SkGpuDevice::kUninit_In
itContents)); | 207 SkGpuDevice::kUninit_In
itContents)); |
208 if (!device) { | 208 if (!device) { |
209 return nullptr; | 209 return nullptr; |
210 } | 210 } |
211 return new SkSurface_Gpu(device); | 211 return new SkSurface_Gpu(device); |
212 } | 212 } |
213 | 213 |
214 #endif | 214 #endif |
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