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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 | 8 |
9 #ifndef GrGLSLCaps_DEFINED | 9 #ifndef GrGLSLCaps_DEFINED |
10 #define GrGLSLCaps_DEFINED | 10 #define GrGLSLCaps_DEFINED |
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38 * Some helper functions for encapsulating various extensions to read FB Buf
fer on openglES | 38 * Some helper functions for encapsulating various extensions to read FB Buf
fer on openglES |
39 * | 39 * |
40 * TODO(joshualitt) On desktop opengl 4.2+ we can achieve something similar
to this effect | 40 * TODO(joshualitt) On desktop opengl 4.2+ we can achieve something similar
to this effect |
41 */ | 41 */ |
42 bool fbFetchSupport() const { return fFBFetchSupport; } | 42 bool fbFetchSupport() const { return fFBFetchSupport; } |
43 | 43 |
44 bool fbFetchNeedsCustomOutput() const { return fFBFetchNeedsCustomOutput; } | 44 bool fbFetchNeedsCustomOutput() const { return fFBFetchNeedsCustomOutput; } |
45 | 45 |
46 bool bindlessTextureSupport() const { return fBindlessTextureSupport; } | 46 bool bindlessTextureSupport() const { return fBindlessTextureSupport; } |
47 | 47 |
48 const char* versionDeclString() const { return fVersionDeclString; } | |
49 | |
50 const char* fbFetchColorName() const { return fFBFetchColorName; } | 48 const char* fbFetchColorName() const { return fFBFetchColorName; } |
51 | 49 |
52 const char* fbFetchExtensionString() const { return fFBFetchExtensionString;
} | 50 const char* fbFetchExtensionString() const { return fFBFetchExtensionString;
} |
53 | 51 |
54 bool dropsTileOnZeroDivide() const { return fDropsTileOnZeroDivide; } | 52 bool dropsTileOnZeroDivide() const { return fDropsTileOnZeroDivide; } |
55 | 53 |
56 AdvBlendEqInteraction advBlendEqInteraction() const { return fAdvBlendEqInte
raction; } | 54 AdvBlendEqInteraction advBlendEqInteraction() const { return fAdvBlendEqInte
raction; } |
57 | 55 |
58 bool mustEnableAdvBlendEqs() const { | 56 bool mustEnableAdvBlendEqs() const { |
59 return fAdvBlendEqInteraction >= kGeneralEnable_AdvBlendEqInteraction; | 57 return fAdvBlendEqInteraction >= kGeneralEnable_AdvBlendEqInteraction; |
60 } | 58 } |
61 | 59 |
62 bool mustEnableSpecificAdvBlendEqs() const { | 60 bool mustEnableSpecificAdvBlendEqs() const { |
63 return fAdvBlendEqInteraction == kSpecificEnables_AdvBlendEqInteraction; | 61 return fAdvBlendEqInteraction == kSpecificEnables_AdvBlendEqInteraction; |
64 } | 62 } |
65 | 63 |
66 bool mustDeclareFragmentShaderOutput() const { | 64 bool mustDeclareFragmentShaderOutput() const { |
67 return fGLSLGeneration > k110_GrGLSLGeneration; | 65 return fGLSLGeneration > k110_GrGLSLGeneration; |
68 } | 66 } |
69 | 67 |
70 bool usesPrecisionModifiers() const { return fUsesPrecisionModifiers; } | 68 bool usesPrecisionModifiers() const { return fUsesPrecisionModifiers; } |
71 | 69 |
72 // Returns whether we can use the glsl funciton any() in our shader code. | |
73 bool canUseAnyFunctionInShader() const { return fCanUseAnyFunctionInShader;
} | |
74 | |
75 bool forceHighPrecisionNDSTransform() const { return fForceHighPrecisionNDST
ransform; } | |
76 | |
77 GrGLSLGeneration generation() const { return fGLSLGeneration; } | 70 GrGLSLGeneration generation() const { return fGLSLGeneration; } |
78 | 71 |
79 /** | 72 /** |
80 * Returns a string containing the caps info. | 73 * Returns a string containing the caps info. |
81 */ | 74 */ |
82 SkString dump() const override; | 75 SkString dump() const override; |
83 | 76 |
84 private: | 77 private: |
85 GrGLSLGeneration fGLSLGeneration; | 78 GrGLSLGeneration fGLSLGeneration; |
86 | 79 |
87 bool fDropsTileOnZeroDivide : 1; | 80 bool fDropsTileOnZeroDivide : 1; |
88 bool fFBFetchSupport : 1; | 81 bool fFBFetchSupport : 1; |
89 bool fFBFetchNeedsCustomOutput : 1; | 82 bool fFBFetchNeedsCustomOutput : 1; |
90 bool fBindlessTextureSupport : 1; | 83 bool fBindlessTextureSupport : 1; |
91 bool fUsesPrecisionModifiers : 1; | 84 bool fUsesPrecisionModifiers : 1; |
92 bool fCanUseAnyFunctionInShader : 1; | |
93 bool fForceHighPrecisionNDSTransform : 1; | |
94 | 85 |
95 const char* fVersionDeclString; | |
96 | 86 |
97 const char* fFBFetchColorName; | 87 const char* fFBFetchColorName; |
98 const char* fFBFetchExtensionString; | 88 const char* fFBFetchExtensionString; |
99 | 89 |
100 AdvBlendEqInteraction fAdvBlendEqInteraction; | 90 AdvBlendEqInteraction fAdvBlendEqInteraction; |
101 | 91 |
102 friend class GrGLCaps; // For initialization. | 92 friend class GrGLCaps; // For initialization. |
103 | 93 |
104 typedef GrShaderCaps INHERITED; | 94 typedef GrShaderCaps INHERITED; |
105 }; | 95 }; |
106 | 96 |
107 | 97 |
108 #endif | 98 #endif |
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