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Unified Diff: src/gpu/GrProgramDesc.h

Issue 896163003: Revert "Move DstCopy on gpu into the GrXferProcessor." (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix revert Created 5 years, 10 months ago
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Index: src/gpu/GrProgramDesc.h
diff --git a/src/gpu/GrProgramDesc.h b/src/gpu/GrProgramDesc.h
index 66e0e06b8c88ed629c1ba7eeb06c795923895ce7..e07e116733b8a5313402d00fa0c7595c481fcef3 100644
--- a/src/gpu/GrProgramDesc.h
+++ b/src/gpu/GrProgramDesc.h
@@ -55,6 +55,9 @@ public:
}
struct KeyHeader {
+ uint8_t fDstReadKey; // set by GrGLShaderBuilder if there
+ // are effects that must read the dst.
+ // Otherwise, 0.
uint8_t fFragPosKey; // set by GrGLShaderBuilder if there are
// effects that read the fragment position.
// Otherwise, 0.
@@ -76,6 +79,20 @@ public:
// This should really only be used internally, base classes should return their own headers
const KeyHeader& header() const { return *this->atOffset<KeyHeader, kHeaderOffset>(); }
+ // A struct to communicate descriptor information to the program descriptor builder
+ struct DescInfo {
+ bool operator==(const DescInfo& that) const {
+ return fReadsDst == that.fReadsDst &&
+ fReadsFragPosition == that.fReadsFragPosition;
+ }
+ bool operator!=(const DescInfo& that) const { return !(*this == that); };
+
+ // These flags give aggregated info on the processor stages that are used when building
+ // programs.
+ bool fReadsDst;
+ bool fReadsFragPosition;
+ };
+
private:
template<typename T, size_t OFFSET> T* atOffset() {
return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + OFFSET);
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