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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #include "GrGLProgramDesc.h" | 8 #include "GrGLProgramDesc.h" |
9 #include "GrBackendEffectFactory.h" | 9 #include "GrBackendEffectFactory.h" |
10 #include "GrDrawEffect.h" | 10 #include "GrDrawEffect.h" |
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89 desc->fEffectKeys[s] = factory.glEffectKey(drawEffect, gpu->glCaps()
); | 89 desc->fEffectKeys[s] = factory.glEffectKey(drawEffect, gpu->glCaps()
); |
90 if (effect->willReadDst()) { | 90 if (effect->willReadDst()) { |
91 readsDst = true; | 91 readsDst = true; |
92 } | 92 } |
93 } else { | 93 } else { |
94 desc->fEffectKeys[s] = 0; | 94 desc->fEffectKeys[s] = 0; |
95 } | 95 } |
96 } | 96 } |
97 | 97 |
98 if (readsDst) { | 98 if (readsDst) { |
99 GrAssert(NULL != dstCopy); | 99 GrAssert(NULL != dstCopy || gpu->caps()->dstReadInShaderSupport()); |
100 desc->fDstRead = GrGLShaderBuilder::KeyForDstRead(dstCopy->texture(), gp
u->glCaps()); | 100 const GrTexture* dstCopyTexture = NULL; |
| 101 if (NULL != dstCopy) { |
| 102 dstCopyTexture = dstCopy->texture(); |
| 103 } |
| 104 desc->fDstRead = GrGLShaderBuilder::KeyForDstRead(dstCopyTexture, gpu->g
lCaps()); |
101 GrAssert(0 != desc->fDstRead); | 105 GrAssert(0 != desc->fDstRead); |
102 } else { | 106 } else { |
103 desc->fDstRead = 0; | 107 desc->fDstRead = 0; |
104 } | 108 } |
105 | 109 |
106 desc->fCoverageOutput = kModulate_CoverageOutput; | 110 desc->fCoverageOutput = kModulate_CoverageOutput; |
107 | 111 |
108 // Currently the experimental GS will only work with triangle prims (and it
doesn't do anything | 112 // Currently the experimental GS will only work with triangle prims (and it
doesn't do anything |
109 // other than pass through values from the VS to the FS anyway). | 113 // other than pass through values from the VS to the FS anyway). |
110 #if GR_GL_EXPERIMENTAL_GS | 114 #if GR_GL_EXPERIMENTAL_GS |
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187 | 191 |
188 if (requiresCoverageAttrib) { | 192 if (requiresCoverageAttrib) { |
189 desc->fCoverageAttributeIndex = drawState.coverageVertexAttributeIndex()
; | 193 desc->fCoverageAttributeIndex = drawState.coverageVertexAttributeIndex()
; |
190 } else if (GrGLProgramDesc::kAttribute_ColorInput == desc->fCoverageInput) { | 194 } else if (GrGLProgramDesc::kAttribute_ColorInput == desc->fCoverageInput) { |
191 GrAssert(availableAttributeIndex < GrDrawState::kMaxVertexAttribCnt); | 195 GrAssert(availableAttributeIndex < GrDrawState::kMaxVertexAttribCnt); |
192 desc->fCoverageAttributeIndex = availableAttributeIndex; | 196 desc->fCoverageAttributeIndex = availableAttributeIndex; |
193 } else { | 197 } else { |
194 desc->fCoverageAttributeIndex = -1; | 198 desc->fCoverageAttributeIndex = -1; |
195 } | 199 } |
196 } | 200 } |
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