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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_Base.h" | 8 #include "SkSurface_Base.h" |
| 9 #include "SkImagePriv.h" | 9 #include "SkImagePriv.h" |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 #include "SkGpuDevice.h" | 11 #include "SkGpuDevice.h" |
| 12 | 12 |
| 13 class SkSurface_Gpu : public SkSurface_Base { | 13 class SkSurface_Gpu : public SkSurface_Base { |
| 14 public: | 14 public: |
| 15 SK_DECLARE_INST_COUNT(SkSurface_Gpu) | 15 SK_DECLARE_INST_COUNT(SkSurface_Gpu) |
| 16 | 16 |
| 17 SkSurface_Gpu(GrContext*, const SkImage::Info&, int sampleCount); | 17 SkSurface_Gpu(GrContext*, const SkImageInfo&, int sampleCount); |
| 18 SkSurface_Gpu(GrContext*, GrRenderTarget*); | 18 SkSurface_Gpu(GrContext*, GrRenderTarget*); |
| 19 virtual ~SkSurface_Gpu(); | 19 virtual ~SkSurface_Gpu(); |
| 20 | 20 |
| 21 virtual SkCanvas* onNewCanvas() SK_OVERRIDE; | 21 virtual SkCanvas* onNewCanvas() SK_OVERRIDE; |
| 22 virtual SkSurface* onNewSurface(const SkImage::Info&) SK_OVERRIDE; | 22 virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE; |
| 23 virtual SkImage* onNewImageSnapshot() SK_OVERRIDE; | 23 virtual SkImage* onNewImageSnapshot() SK_OVERRIDE; |
| 24 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, | 24 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, |
| 25 const SkPaint*) SK_OVERRIDE; | 25 const SkPaint*) SK_OVERRIDE; |
| 26 virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE; | 26 virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE; |
| 27 | 27 |
| 28 private: | 28 private: |
| 29 SkGpuDevice* fDevice; | 29 SkGpuDevice* fDevice; |
| 30 | 30 |
| 31 typedef SkSurface_Base INHERITED; | 31 typedef SkSurface_Base INHERITED; |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 SK_DEFINE_INST_COUNT(SkSurface_Gpu) | 34 SK_DEFINE_INST_COUNT(SkSurface_Gpu) |
| 35 | 35 |
| 36 /////////////////////////////////////////////////////////////////////////////// | 36 /////////////////////////////////////////////////////////////////////////////// |
| 37 | 37 |
| 38 SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, const SkImage::Info& info, | 38 SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, const SkImageInfo& info, |
| 39 int sampleCount) | 39 int sampleCount) |
| 40 : INHERITED(info.fWidth, info.fHeight) { | 40 : INHERITED(info.fWidth, info.fHeight) { |
| 41 SkBitmap::Config config = SkImageInfoToBitmapConfig(info); | 41 SkBitmap::Config config = SkImageInfoToBitmapConfig(info); |
| 42 | 42 |
| 43 fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, config, info.fWidth, info.fHeight, s
ampleCount)); | 43 fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, config, info.fWidth, info.fHeight, s
ampleCount)); |
| 44 | 44 |
| 45 if (!SkAlphaTypeIsOpaque(info.fAlphaType)) { | 45 if (!SkAlphaTypeIsOpaque(info.fAlphaType)) { |
| 46 fDevice->clear(0x0); | 46 fDevice->clear(0x0); |
| 47 } | 47 } |
| 48 } | 48 } |
| 49 | 49 |
| 50 SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, GrRenderTarget* renderTarget) | 50 SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, GrRenderTarget* renderTarget) |
| 51 : INHERITED(renderTarget->width(), renderTarget->height()) { | 51 : INHERITED(renderTarget->width(), renderTarget->height()) { |
| 52 fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, renderTarget)); | 52 fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, renderTarget)); |
| 53 | 53 |
| 54 if (kRGB_565_GrPixelConfig != renderTarget->config()) { | 54 if (kRGB_565_GrPixelConfig != renderTarget->config()) { |
| 55 fDevice->clear(0x0); | 55 fDevice->clear(0x0); |
| 56 } | 56 } |
| 57 } | 57 } |
| 58 | 58 |
| 59 SkSurface_Gpu::~SkSurface_Gpu() { | 59 SkSurface_Gpu::~SkSurface_Gpu() { |
| 60 SkSafeUnref(fDevice); | 60 SkSafeUnref(fDevice); |
| 61 } | 61 } |
| 62 | 62 |
| 63 SkCanvas* SkSurface_Gpu::onNewCanvas() { | 63 SkCanvas* SkSurface_Gpu::onNewCanvas() { |
| 64 return SkNEW_ARGS(SkCanvas, (fDevice)); | 64 return SkNEW_ARGS(SkCanvas, (fDevice)); |
| 65 } | 65 } |
| 66 | 66 |
| 67 SkSurface* SkSurface_Gpu::onNewSurface(const SkImage::Info& info) { | 67 SkSurface* SkSurface_Gpu::onNewSurface(const SkImageInfo& info) { |
| 68 GrRenderTarget* rt = fDevice->accessRenderTarget(); | 68 GrRenderTarget* rt = fDevice->accessRenderTarget(); |
| 69 int sampleCount = rt->numSamples(); | 69 int sampleCount = rt->numSamples(); |
| 70 return SkSurface::NewRenderTarget(fDevice->context(), info, sampleCount); | 70 return SkSurface::NewRenderTarget(fDevice->context(), info, sampleCount); |
| 71 } | 71 } |
| 72 | 72 |
| 73 SkImage* SkSurface_Gpu::onNewImageSnapshot() { | 73 SkImage* SkSurface_Gpu::onNewImageSnapshot() { |
| 74 return SkImage::NewTexture(fDevice->accessBitmap(false)); | 74 return SkImage::NewTexture(fDevice->accessBitmap(false)); |
| 75 } | 75 } |
| 76 | 76 |
| 77 void SkSurface_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, | 77 void SkSurface_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, |
| (...skipping 28 matching lines...) Expand all Loading... |
| 106 | 106 |
| 107 SkSurface* SkSurface::NewRenderTargetDirect(GrContext* ctx, | 107 SkSurface* SkSurface::NewRenderTargetDirect(GrContext* ctx, |
| 108 GrRenderTarget* target) { | 108 GrRenderTarget* target) { |
| 109 if (NULL == ctx || NULL == target) { | 109 if (NULL == ctx || NULL == target) { |
| 110 return NULL; | 110 return NULL; |
| 111 } | 111 } |
| 112 | 112 |
| 113 return SkNEW_ARGS(SkSurface_Gpu, (ctx, target)); | 113 return SkNEW_ARGS(SkSurface_Gpu, (ctx, target)); |
| 114 } | 114 } |
| 115 | 115 |
| 116 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImage::Info& info,
int sampleCount) { | 116 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImageInfo& info, i
nt sampleCount) { |
| 117 if (NULL == ctx) { | 117 if (NULL == ctx) { |
| 118 return NULL; | 118 return NULL; |
| 119 } | 119 } |
| 120 | 120 |
| 121 SkBitmap::Config config = SkImageInfoToBitmapConfig(info); | 121 SkBitmap::Config config = SkImageInfoToBitmapConfig(info); |
| 122 | 122 |
| 123 GrTextureDesc desc; | 123 GrTextureDesc desc; |
| 124 desc.fFlags = kRenderTarget_GrTextureFlagBit | kCheckAllocation_GrTextureFla
gBit; | 124 desc.fFlags = kRenderTarget_GrTextureFlagBit | kCheckAllocation_GrTextureFla
gBit; |
| 125 desc.fWidth = info.fWidth; | 125 desc.fWidth = info.fWidth; |
| 126 desc.fHeight = info.fHeight; | 126 desc.fHeight = info.fHeight; |
| 127 desc.fConfig = SkBitmapConfig2GrPixelConfig(config); | 127 desc.fConfig = SkBitmapConfig2GrPixelConfig(config); |
| 128 desc.fSampleCnt = sampleCount; | 128 desc.fSampleCnt = sampleCount; |
| 129 | 129 |
| 130 SkAutoTUnref<GrTexture> tex(ctx->createUncachedTexture(desc, NULL, 0)); | 130 SkAutoTUnref<GrTexture> tex(ctx->createUncachedTexture(desc, NULL, 0)); |
| 131 if (NULL == tex) { | 131 if (NULL == tex) { |
| 132 return NULL; | 132 return NULL; |
| 133 } | 133 } |
| 134 | 134 |
| 135 return SkNEW_ARGS(SkSurface_Gpu, (ctx, tex->asRenderTarget())); | 135 return SkNEW_ARGS(SkSurface_Gpu, (ctx, tex->asRenderTarget())); |
| 136 } | 136 } |
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