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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 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 #ifndef GrDrawTargetCaps_DEFINED | 8 #ifndef GrDrawTargetCaps_DEFINED |
9 #define GrDrawTargetCaps_DEFINED | 9 #define GrDrawTargetCaps_DEFINED |
10 | 10 |
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30 bool npotTextureTileSupport() const { return fNPOTTextureTileSupport; } | 30 bool npotTextureTileSupport() const { return fNPOTTextureTileSupport; } |
31 /** To avoid as-yet-unnecessary complexity we don't allow any partial suppor
t of MIP Maps (e.g. | 31 /** To avoid as-yet-unnecessary complexity we don't allow any partial suppor
t of MIP Maps (e.g. |
32 only for POT textures) */ | 32 only for POT textures) */ |
33 bool mipMapSupport() const { return fMipMapSupport; } | 33 bool mipMapSupport() const { return fMipMapSupport; } |
34 bool twoSidedStencilSupport() const { return fTwoSidedStencilSupport; } | 34 bool twoSidedStencilSupport() const { return fTwoSidedStencilSupport; } |
35 bool stencilWrapOpsSupport() const { return fStencilWrapOpsSupport; } | 35 bool stencilWrapOpsSupport() const { return fStencilWrapOpsSupport; } |
36 bool hwAALineSupport() const { return fHWAALineSupport; } | 36 bool hwAALineSupport() const { return fHWAALineSupport; } |
37 bool shaderDerivativeSupport() const { return fShaderDerivativeSupport; } | 37 bool shaderDerivativeSupport() const { return fShaderDerivativeSupport; } |
38 bool geometryShaderSupport() const { return fGeometryShaderSupport; } | 38 bool geometryShaderSupport() const { return fGeometryShaderSupport; } |
39 bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport;
} | 39 bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport;
} |
40 bool bufferLockSupport() const { return fBufferLockSupport; } | |
41 bool pathRenderingSupport() const { return fPathRenderingSupport; } | 40 bool pathRenderingSupport() const { return fPathRenderingSupport; } |
42 bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; } | 41 bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; } |
43 bool discardRenderTargetSupport() const { return fDiscardRenderTargetSupport
; } | 42 bool discardRenderTargetSupport() const { return fDiscardRenderTargetSupport
; } |
44 bool gpuTracingSupport() const { return fGpuTracingSupport; } | 43 bool gpuTracingSupport() const { return fGpuTracingSupport; } |
45 | 44 |
| 45 /** |
| 46 * Indicates whether GPU->CPU memory mapping for GPU resources such as verte
x buffers and |
| 47 * textures allows partial mappings or full mappings. |
| 48 */ |
| 49 enum MapFlags { |
| 50 kNone_MapFlags = 0x0, //<! Cannot map the resource. |
| 51 |
| 52 kCanMap_MapFlag = 0x1, //<! The resource can be mapped. Must be s
et for any of |
| 53 // the other flags to have meaning.k |
| 54 kSubset_MapFlag = 0x2, //<! The resource can be partially mapped. |
| 55 }; |
| 56 |
| 57 uint32_t mapBufferFlags() const { return fMapBufferFlags; } |
| 58 |
46 // Scratch textures not being reused means that those scratch textures | 59 // Scratch textures not being reused means that those scratch textures |
47 // that we upload to (i.e., don't have a render target) will not be | 60 // that we upload to (i.e., don't have a render target) will not be |
48 // recycled in the texture cache. This is to prevent ghosting by drivers | 61 // recycled in the texture cache. This is to prevent ghosting by drivers |
49 // (in particular for deferred architectures). | 62 // (in particular for deferred architectures). |
50 bool reuseScratchTextures() const { return fReuseScratchTextures; } | 63 bool reuseScratchTextures() const { return fReuseScratchTextures; } |
51 | 64 |
52 int maxRenderTargetSize() const { return fMaxRenderTargetSize; } | 65 int maxRenderTargetSize() const { return fMaxRenderTargetSize; } |
53 int maxTextureSize() const { return fMaxTextureSize; } | 66 int maxTextureSize() const { return fMaxTextureSize; } |
54 // Will be 0 if MSAA is not supported | 67 // Will be 0 if MSAA is not supported |
55 int maxSampleCount() const { return fMaxSampleCount; } | 68 int maxSampleCount() const { return fMaxSampleCount; } |
56 | 69 |
57 bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const { | 70 bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const { |
58 SkASSERT(kGrPixelConfigCnt > config); | 71 SkASSERT(kGrPixelConfigCnt > config); |
59 return fConfigRenderSupport[config][withMSAA]; | 72 return fConfigRenderSupport[config][withMSAA]; |
60 } | 73 } |
61 | 74 |
62 protected: | 75 protected: |
63 bool f8BitPaletteSupport : 1; | 76 bool f8BitPaletteSupport : 1; |
64 bool fNPOTTextureTileSupport : 1; | 77 bool fNPOTTextureTileSupport : 1; |
65 bool fMipMapSupport : 1; | 78 bool fMipMapSupport : 1; |
66 bool fTwoSidedStencilSupport : 1; | 79 bool fTwoSidedStencilSupport : 1; |
67 bool fStencilWrapOpsSupport : 1; | 80 bool fStencilWrapOpsSupport : 1; |
68 bool fHWAALineSupport : 1; | 81 bool fHWAALineSupport : 1; |
69 bool fShaderDerivativeSupport : 1; | 82 bool fShaderDerivativeSupport : 1; |
70 bool fGeometryShaderSupport : 1; | 83 bool fGeometryShaderSupport : 1; |
71 bool fDualSourceBlendingSupport : 1; | 84 bool fDualSourceBlendingSupport : 1; |
72 bool fBufferLockSupport : 1; | |
73 bool fPathRenderingSupport : 1; | 85 bool fPathRenderingSupport : 1; |
74 bool fDstReadInShaderSupport : 1; | 86 bool fDstReadInShaderSupport : 1; |
75 bool fDiscardRenderTargetSupport: 1; | 87 bool fDiscardRenderTargetSupport: 1; |
76 bool fReuseScratchTextures : 1; | 88 bool fReuseScratchTextures : 1; |
77 bool fGpuTracingSupport : 1; | 89 bool fGpuTracingSupport : 1; |
78 | 90 |
| 91 uint32_t fMapBufferFlags; |
| 92 |
79 int fMaxRenderTargetSize; | 93 int fMaxRenderTargetSize; |
80 int fMaxTextureSize; | 94 int fMaxTextureSize; |
81 int fMaxSampleCount; | 95 int fMaxSampleCount; |
82 | 96 |
83 // The first entry for each config is without msaa and the second is with. | 97 // The first entry for each config is without msaa and the second is with. |
84 bool fConfigRenderSupport[kGrPixelConfigCnt][2]; | 98 bool fConfigRenderSupport[kGrPixelConfigCnt][2]; |
85 | 99 |
86 typedef SkRefCnt INHERITED; | 100 typedef SkRefCnt INHERITED; |
87 }; | 101 }; |
88 | 102 |
89 #endif | 103 #endif |
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