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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef GrTexture_DEFINED | 9 #ifndef GrTexture_DEFINED |
10 #define GrTexture_DEFINED | 10 #define GrTexture_DEFINED |
11 | 11 |
12 #include "GrSurface.h" | 12 #include "GrSurface.h" |
13 #include "SkPoint.h" | 13 #include "SkPoint.h" |
14 #include "SkRefCnt.h" | 14 #include "SkRefCnt.h" |
15 | 15 |
16 class GrResourceKey; | 16 class GrResourceKey; |
17 class GrTextureParams; | 17 class GrTextureParams; |
18 class GrTexturePriv; | 18 class GrTexturePriv; |
19 | 19 |
20 class GrTexture : virtual public GrSurface { | 20 class GrTexture : virtual public GrSurface { |
21 public: | 21 public: |
22 virtual GrTexture* asTexture() SK_OVERRIDE { return this; } | 22 GrTexture* asTexture() SK_OVERRIDE { return this; } |
23 virtual const GrTexture* asTexture() const SK_OVERRIDE { return this; } | 23 const GrTexture* asTexture() const SK_OVERRIDE { return this; } |
24 | 24 |
25 /** | 25 /** |
26 * Return the native ID or handle to the texture, depending on the | 26 * Return the native ID or handle to the texture, depending on the |
27 * platform. e.g. on OpenGL, return the texture ID. | 27 * platform. e.g. on OpenGL, return the texture ID. |
28 */ | 28 */ |
29 virtual GrBackendObject getTextureHandle() const = 0; | 29 virtual GrBackendObject getTextureHandle() const = 0; |
30 | 30 |
31 /** | 31 /** |
32 * This function indicates that the texture parameters (wrap mode, filtering
, ...) have been | 32 * This function indicates that the texture parameters (wrap mode, filtering
, ...) have been |
33 * changed externally to Skia. | 33 * changed externally to Skia. |
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44 /** Access methods that are only to be used within Skia code. */ | 44 /** Access methods that are only to be used within Skia code. */ |
45 inline GrTexturePriv texturePriv(); | 45 inline GrTexturePriv texturePriv(); |
46 inline const GrTexturePriv texturePriv() const; | 46 inline const GrTexturePriv texturePriv() const; |
47 | 47 |
48 protected: | 48 protected: |
49 GrTexture(GrGpu* gpu, bool isWrapped, const GrSurfaceDesc& desc); | 49 GrTexture(GrGpu* gpu, bool isWrapped, const GrSurfaceDesc& desc); |
50 | 50 |
51 void validateDesc() const; | 51 void validateDesc() const; |
52 | 52 |
53 private: | 53 private: |
54 virtual size_t onGpuMemorySize() const SK_OVERRIDE; | 54 size_t onGpuMemorySize() const SK_OVERRIDE; |
55 void dirtyMipMaps(bool mipMapsDirty); | 55 void dirtyMipMaps(bool mipMapsDirty); |
56 | 56 |
57 enum MipMapsStatus { | 57 enum MipMapsStatus { |
58 kNotAllocated_MipMapsStatus, | 58 kNotAllocated_MipMapsStatus, |
59 kAllocated_MipMapsStatus, | 59 kAllocated_MipMapsStatus, |
60 kValid_MipMapsStatus | 60 kValid_MipMapsStatus |
61 }; | 61 }; |
62 | 62 |
63 MipMapsStatus fMipMapsStatus; | 63 MipMapsStatus fMipMapsStatus; |
64 // These two shift a fixed-point value into normalized coordinates | 64 // These two shift a fixed-point value into normalized coordinates |
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104 fTexture.reset(SkSafeRef(texture)); | 104 fTexture.reset(SkSafeRef(texture)); |
105 return texture; | 105 return texture; |
106 } | 106 } |
107 | 107 |
108 private: | 108 private: |
109 SkAutoTUnref<GrTexture> fTexture; | 109 SkAutoTUnref<GrTexture> fTexture; |
110 SkIPoint fOffset; | 110 SkIPoint fOffset; |
111 }; | 111 }; |
112 | 112 |
113 #endif | 113 #endif |
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