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Unified Diff: src/gpu/gl/GrGLProgramDesc.cpp

Issue 900883002: Revert of Move DstCopy on gpu into the GrXferProcessor. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 10 months ago
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Index: src/gpu/gl/GrGLProgramDesc.cpp
diff --git a/src/gpu/gl/GrGLProgramDesc.cpp b/src/gpu/gl/GrGLProgramDesc.cpp
index abe2439495d9cf35bb1283e0619b1d24bedd4e76..32f831e84c8ca5a508c789da7ca75a67c966b4db 100644
--- a/src/gpu/gl/GrGLProgramDesc.cpp
+++ b/src/gpu/gl/GrGLProgramDesc.cpp
@@ -89,6 +89,7 @@
bool GrGLProgramDescBuilder::Build(GrProgramDesc* desc,
const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline,
+ const GrProgramDesc::DescInfo& descInfo,
const GrGLGpu* gpu,
const GrBatchTracker& batchTracker) {
// The descriptor is used as a cache key. Thus when a field of the
@@ -134,7 +135,21 @@
// make sure any padding in the header is zeroed.
memset(header, 0, kHeaderSize);
- if (pipeline.readsFragPosition()) {
+ if (descInfo.fReadsDst) {
+ const GrDeviceCoordTexture* dstCopy = pipeline.getDstCopy();
+ SkASSERT(dstCopy || gpu->caps()->dstReadInShaderSupport());
+ const GrTexture* dstCopyTexture = NULL;
+ if (dstCopy) {
+ dstCopyTexture = dstCopy->texture();
+ }
+ header->fDstReadKey = GrGLFragmentShaderBuilder::KeyForDstRead(dstCopyTexture,
+ gpu->glCaps());
+ SkASSERT(0 != header->fDstReadKey);
+ } else {
+ header->fDstReadKey = 0;
+ }
+
+ if (descInfo.fReadsFragPosition) {
header->fFragPosKey =
GrGLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.getRenderTarget(),
gpu->glCaps());
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