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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 #ifndef SkSurface_DEFINED | 8 #ifndef SkSurface_DEFINED |
9 #define SkSurface_DEFINED | 9 #define SkSurface_DEFINED |
10 | 10 |
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78 * Return a new surface using the specified render target. | 78 * Return a new surface using the specified render target. |
79 */ | 79 */ |
80 static sk_sp<SkSurface> MakeRenderTargetDirect(GrRenderTarget*, | 80 static sk_sp<SkSurface> MakeRenderTargetDirect(GrRenderTarget*, |
81 const SkSurfaceProps* = nullp
tr); | 81 const SkSurfaceProps* = nullp
tr); |
82 | 82 |
83 /** | 83 /** |
84 * Used to wrap a pre-existing backend 3D API texture as a SkSurface. The k
RenderTarget flag | 84 * Used to wrap a pre-existing backend 3D API texture as a SkSurface. The k
RenderTarget flag |
85 * must be set on GrBackendTextureDesc for this to succeed. Skia will not a
ssume ownership | 85 * must be set on GrBackendTextureDesc for this to succeed. Skia will not a
ssume ownership |
86 * of the texture and the client must ensure the texture is valid for the l
ifetime of the | 86 * of the texture and the client must ensure the texture is valid for the l
ifetime of the |
87 * SkSurface. | 87 * SkSurface. |
| 88 * |
| 89 * If the requested sample count is greater than 0, the contents of the sur
face are undefined. |
88 */ | 90 */ |
89 static sk_sp<SkSurface> MakeFromBackendTexture(GrContext*, const GrBackendTe
xtureDesc&, | 91 static sk_sp<SkSurface> MakeFromBackendTexture(GrContext*, const GrBackendTe
xtureDesc&, |
90 const SkSurfaceProps*); | 92 const SkSurfaceProps*); |
91 | 93 |
92 /** | 94 /** |
93 * Used to wrap a pre-existing 3D API rendering target as a SkSurface. Skia
will not assume | 95 * Used to wrap a pre-existing 3D API rendering target as a SkSurface. Skia
will not assume |
94 * ownership of the render target and the client must ensure the render tar
get is valid for the | 96 * ownership of the render target and the client must ensure the render tar
get is valid for the |
95 * lifetime of the SkSurface. | 97 * lifetime of the SkSurface. |
96 */ | 98 */ |
97 static sk_sp<SkSurface> MakeFromBackendRenderTarget(GrContext*, | 99 static sk_sp<SkSurface> MakeFromBackendRenderTarget(GrContext*, |
98 const GrBackendRenderTar
getDesc&, | 100 const GrBackendRenderTar
getDesc&, |
99 const SkSurfaceProps*); | 101 const SkSurfaceProps*); |
100 | 102 |
101 /** | 103 /** |
102 * Used to wrap a pre-existing 3D API texture as a SkSurface. Skia will tre
at the texture as | 104 * Used to wrap a pre-existing 3D API texture as a SkSurface. Skia will tre
at the texture as |
103 * a rendering target only, but unlike NewFromBackendRenderTarget, Skia wil
l manage and own | 105 * a rendering target only, but unlike NewFromBackendRenderTarget, Skia wil
l manage and own |
104 * the associated render target objects (but not the provided texture). The
kRenderTarget flag | 106 * the associated render target objects (but not the provided texture). The
kRenderTarget flag |
105 * must be set on GrBackendTextureDesc for this to succeed. Skia will not a
ssume ownership | 107 * must be set on GrBackendTextureDesc for this to succeed. Skia will not a
ssume ownership |
106 * of the texture and the client must ensure the texture is valid for the l
ifetime of the | 108 * of the texture and the client must ensure the texture is valid for the l
ifetime of the |
107 * SkSurface. | 109 * SkSurface. |
| 110 * |
| 111 * If the requested sample count is greater than 0, the contents of the sur
face are undefined. |
108 */ | 112 */ |
109 static sk_sp<SkSurface> MakeFromBackendTextureAsRenderTarget( | 113 static sk_sp<SkSurface> MakeFromBackendTextureAsRenderTarget( |
110 GrContext*, const GrBackendTextureDesc&, const SkSurfaceProps*); | 114 GrContext*, const GrBackendTextureDesc&, const SkSurfaceProps*); |
111 | 115 |
112 /** | 116 /** |
113 * Return a new surface whose contents will be drawn to an offscreen | 117 * Return a new surface whose contents will be drawn to an offscreen |
114 * render target, allocated by the surface. | 118 * render target, allocated by the surface. |
115 */ | 119 */ |
116 static sk_sp<SkSurface> MakeRenderTarget( | 120 static sk_sp<SkSurface> MakeRenderTarget( |
117 GrContext*, SkBudgeted, const SkImageInfo&, int sampleCount, const S
kSurfaceProps*); | 121 GrContext*, SkBudgeted, const SkImageInfo&, int sampleCount, const S
kSurfaceProps*); |
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366 private: | 370 private: |
367 const SkSurfaceProps fProps; | 371 const SkSurfaceProps fProps; |
368 const int fWidth; | 372 const int fWidth; |
369 const int fHeight; | 373 const int fHeight; |
370 uint32_t fGenerationID; | 374 uint32_t fGenerationID; |
371 | 375 |
372 typedef SkRefCnt INHERITED; | 376 typedef SkRefCnt INHERITED; |
373 }; | 377 }; |
374 | 378 |
375 #endif | 379 #endif |
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