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Revert "gl_shader_decompiler: Implement merges with bitfieldInsert" 

This reverts commit 05cf270836.

Apparently the first approach using floats instead of bitfieldInert
worked better for Fire Emblem: Three Houses. Reverting to get that
behavior back.
This commit is contained in:
ReinUsesLisp 2020-04-14 21:24:33 -03:00
parent e366b4ee1f
commit fd6371eba7
1 changed files with 4 additions and 2 deletions
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6
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -1821,13 +1821,15 @@ private:
Expression HMergeH0(Operation operation) { Expression HMergeH0(Operation operation) {
const std::string dest = VisitOperand(operation, 0).AsUint(); const std::string dest = VisitOperand(operation, 0).AsUint();
const std::string src = VisitOperand(operation, 1).AsUint(); const std::string src = VisitOperand(operation, 1).AsUint();
return {fmt::format("bitfieldInsert({}, {}, 0, 16)", dest, src), Type::Uint}; return {fmt::format("vec2(unpackHalf2x16({}).x, unpackHalf2x16({}).y)", src, dest),
Type::HalfFloat};
} }
Expression HMergeH1(Operation operation) { Expression HMergeH1(Operation operation) {
const std::string dest = VisitOperand(operation, 0).AsUint(); const std::string dest = VisitOperand(operation, 0).AsUint();
const std::string src = VisitOperand(operation, 1).AsUint(); const std::string src = VisitOperand(operation, 1).AsUint();
return {fmt::format("bitfieldInsert({}, {}, 16, 16)", dest, src), Type::Uint}; return {fmt::format("vec2(unpackHalf2x16({}).x, unpackHalf2x16({}).y)", dest, src),
Type::HalfFloat};
} }
Expression HPack2(Operation operation) { Expression HPack2(Operation operation) {