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shader: unpack compressed SNORM16 color exports as normalized signed values

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This commit is contained in:
Claxten
2026-10-07 18:22:46 +04:00
committed by nmzik
parent 21a1346e27
commit b96871e2bf
2 changed files with 35 additions and 2 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+6 -2
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@@ -262,8 +262,12 @@ uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo
bool uint_output) {
auto& state = ctx.state;
if (exp.compr && !uint_output) {
const auto unpack =
MrtOutputMode(state, exp) == 5u ? GLSLstd450UnpackUnorm2x16 : GLSLstd450UnpackHalf2x16;
auto unpack = GLSLstd450UnpackHalf2x16;
switch (MrtOutputMode(state, exp)) {
case 5: unpack = GLSLstd450UnpackUnorm2x16; break;
case 6: unpack = GLSLstd450UnpackSnorm2x16; break;
default: break;
}
uint32_t f32[4] = {ConstantF32(state, 0), ConstantF32(state, 0), ConstantF32(state, 0),
ConstantF32(state, 0x3f800000u)};
for (uint32_t pair = 0; pair < 2u; pair++) {