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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrTextureProvider_DEFINED | 8 #ifndef GrTextureProvider_DEFINED |
9 #define GrTextureProvider_DEFINED | 9 #define GrTextureProvider_DEFINED |
10 | 10 |
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63 | 63 |
64 /** | 64 /** |
65 * Finds a texture that approximately matches the descriptor. Will be at lea
st as large in width | 65 * Finds a texture that approximately matches the descriptor. Will be at lea
st as large in width |
66 * and height as desc specifies. If desc specifies that the texture should b
e a render target | 66 * and height as desc specifies. If desc specifies that the texture should b
e a render target |
67 * then result will be a render target. Format and sample count will always
match the request. | 67 * then result will be a render target. Format and sample count will always
match the request. |
68 * The contents of the texture are undefined. The caller owns a ref on the r
eturned texture and | 68 * The contents of the texture are undefined. The caller owns a ref on the r
eturned texture and |
69 * must balance with a call to unref. | 69 * must balance with a call to unref. |
70 */ | 70 */ |
71 GrTexture* createApproxTexture(const GrSurfaceDesc&); | 71 GrTexture* createApproxTexture(const GrSurfaceDesc&); |
72 | 72 |
73 enum SizeConstraint { | |
74 kExact_SizeConstraint, | |
75 kApprox_SizeConstraint, | |
76 }; | |
77 | |
78 GrTexture* createTexture(const GrSurfaceDesc& desc, SizeConstraint constrain
t) { | |
79 switch (constraint) { | |
80 case kExact_SizeConstraint: | |
81 return this->createTexture(desc, true); | |
82 case kApprox_SizeConstraint: | |
83 return this->createApproxTexture(desc); | |
84 } | |
85 sk_throw(); | |
86 return nullptr; | |
87 } | |
88 | |
89 static SizeConstraint FromImageFilter(SkImageFilter::SizeConstraint constrai
nt) { | |
90 if (SkImageFilter::kExact_SizeConstraint == constraint) { | |
91 return kExact_SizeConstraint; | |
92 } else { | |
93 SkASSERT(SkImageFilter::kApprox_SizeConstraint == constraint); | |
94 return kApprox_SizeConstraint; | |
95 } | |
96 } | |
97 | |
98 /** Legacy function that no longer should be used. */ | 73 /** Legacy function that no longer should be used. */ |
99 enum ScratchTexMatch { | 74 enum ScratchTexMatch { |
100 kExact_ScratchTexMatch, | 75 kExact_ScratchTexMatch, |
101 kApprox_ScratchTexMatch | 76 kApprox_ScratchTexMatch |
102 }; | 77 }; |
103 GrTexture* refScratchTexture(const GrSurfaceDesc& desc, ScratchTexMatch matc
h) { | 78 GrTexture* refScratchTexture(const GrSurfaceDesc& desc, ScratchTexMatch matc
h) { |
104 if (kApprox_ScratchTexMatch == match) { | 79 if (kApprox_ScratchTexMatch == match) { |
105 return this->createApproxTexture(desc); | 80 return this->createApproxTexture(desc); |
106 } else { | 81 } else { |
107 return this->createTexture(desc, true); | 82 return this->createTexture(desc, true); |
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182 SkASSERT(SkToBool(fGpu) == SkToBool(fCache)); | 157 SkASSERT(SkToBool(fGpu) == SkToBool(fCache)); |
183 return !SkToBool(fCache); | 158 return !SkToBool(fCache); |
184 } | 159 } |
185 | 160 |
186 private: | 161 private: |
187 GrResourceCache* fCache; | 162 GrResourceCache* fCache; |
188 GrGpu* fGpu; | 163 GrGpu* fGpu; |
189 }; | 164 }; |
190 | 165 |
191 #endif | 166 #endif |
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