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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 | 8 |
9 #ifndef GrGLTexture_DEFINED | 9 #ifndef GrGLTexture_DEFINED |
10 #define GrGLTexture_DEFINED | 10 #define GrGLTexture_DEFINED |
11 | 11 |
12 #include "GrGpu.h" | 12 #include "GrGpu.h" |
13 #include "GrTexture.h" | 13 #include "GrTexture.h" |
14 #include "GrGLUtil.h" | 14 #include "GrGLUtil.h" |
15 | 15 |
16 /** | |
17 * A ref counted tex id that deletes the texture in its destructor. | |
18 */ | |
19 class GrGLTexID : public SkRefCnt { | |
20 public: | |
21 SK_DECLARE_INST_COUNT(GrGLTexID) | |
22 | |
23 GrGLTexID(const GrGLInterface* gl, GrGLuint texID, bool isWrapped) | |
24 : fGL(gl) | |
25 , fTexID(texID) | |
26 , fIsWrapped(isWrapped) { | |
27 } | |
28 | |
29 virtual ~GrGLTexID() { | |
30 if (0 != fTexID && !fIsWrapped) { | |
31 GR_GL_CALL(fGL, DeleteTextures(1, &fTexID)); | |
32 } | |
33 } | |
34 | |
35 void abandon() { fTexID = 0; } | |
36 GrGLuint id() const { return fTexID; } | |
37 | |
38 private: | |
39 const GrGLInterface* fGL; | |
40 GrGLuint fTexID; | |
41 bool fIsWrapped; | |
42 | |
43 typedef SkRefCnt INHERITED; | |
44 }; | |
45 | |
46 //////////////////////////////////////////////////////////////////////////////// | |
47 | |
48 | 16 |
49 class GrGLTexture : public GrTexture { | 17 class GrGLTexture : public GrTexture { |
50 | 18 |
51 public: | 19 public: |
52 struct TexParams { | 20 struct TexParams { |
53 GrGLenum fMinFilter; | 21 GrGLenum fMinFilter; |
54 GrGLenum fMagFilter; | 22 GrGLenum fMagFilter; |
55 GrGLenum fWrapS; | 23 GrGLenum fWrapS; |
56 GrGLenum fWrapT; | 24 GrGLenum fWrapT; |
57 GrGLenum fSwizzleRGBA[4]; | 25 GrGLenum fSwizzleRGBA[4]; |
(...skipping 18 matching lines...) Expand all Loading... |
76 *timestamp = fTexParamsTimestamp; | 44 *timestamp = fTexParamsTimestamp; |
77 return fTexParams; | 45 return fTexParams; |
78 } | 46 } |
79 | 47 |
80 void setCachedTexParams(const TexParams& texParams, | 48 void setCachedTexParams(const TexParams& texParams, |
81 GrGpu::ResetTimestamp timestamp) { | 49 GrGpu::ResetTimestamp timestamp) { |
82 fTexParams = texParams; | 50 fTexParams = texParams; |
83 fTexParamsTimestamp = timestamp; | 51 fTexParamsTimestamp = timestamp; |
84 } | 52 } |
85 | 53 |
86 GrGLuint textureID() const { return (fTexIDObj.get()) ? fTexIDObj->id() : 0;
} | 54 GrGLuint textureID() const { return fTextureID; } |
87 | 55 |
88 protected: | 56 protected: |
89 // The public constructor registers this object with the cache. However, onl
y the most derived | 57 // The public constructor registers this object with the cache. However, onl
y the most derived |
90 // class should register with the cache. This constructor does not do the re
gistration and | 58 // class should register with the cache. This constructor does not do the re
gistration and |
91 // rather moves that burden onto the derived class. | 59 // rather moves that burden onto the derived class. |
92 enum Derived { kDerived }; | 60 enum Derived { kDerived }; |
93 GrGLTexture(GrGpuGL*, const GrSurfaceDesc&, const IDDesc&, Derived); | 61 GrGLTexture(GrGpuGL*, const GrSurfaceDesc&, const IDDesc&, Derived); |
94 | 62 |
95 void init(const GrSurfaceDesc&, const IDDesc&); | 63 void init(const GrSurfaceDesc&, const IDDesc&); |
96 | 64 |
97 virtual void onAbandon() SK_OVERRIDE; | 65 virtual void onAbandon() SK_OVERRIDE; |
98 virtual void onRelease() SK_OVERRIDE; | 66 virtual void onRelease() SK_OVERRIDE; |
99 | 67 |
100 private: | 68 private: |
101 TexParams fTexParams; | 69 TexParams fTexParams; |
102 GrGpu::ResetTimestamp fTexParamsTimestamp; | 70 GrGpu::ResetTimestamp fTexParamsTimestamp; |
103 SkAutoTUnref<GrGLTexID> fTexIDObj; | 71 GrGLuint fTextureID; |
104 | 72 |
105 typedef GrTexture INHERITED; | 73 typedef GrTexture INHERITED; |
106 }; | 74 }; |
107 | 75 |
108 #endif | 76 #endif |
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