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shader: type pixel outputs of UINT and SINT render targets as integer vectors

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
This commit is contained in:
nmzikAli AlmohayaMacSenaxx
 committed 2026-10-26 05:32:02 +01:00
1 parent 4ebae87a1b
commit 26ca609236
9 files changed
+103 -23
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+15 -14
View File
@@ -291,9 +291,10 @@ uint32_t ExportRawComponent(ValueEmitContext& ctx, uint32_t vector, uint32_t com
}
uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo& exp,
bool uint_output) {
auto& state = ctx.state;
if (exp.compr && !uint_output) {
uint32_t vector_type) {
auto& state = ctx.state;
const bool integer_output = vector_type != TypeF32Vector(state, 4);
if (exp.compr && !integer_output) {
auto unpack = GLSLstd450UnpackHalf2x16;
switch (MrtOutputMode(state, exp)) {
case 5: unpack = GLSLstd450UnpackUnorm2x16; break;
@@ -330,9 +331,11 @@ uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo
ConstantU32(state, 0),
ConstantU32(state, 0),
ConstantU32(state, 0),
ConstantU32(state, uint_output ? 1u : 0x3f800000u),
ConstantU32(state, integer_output ? 1u : 0x3f800000u),
};
if (exp.compr) {
const auto extract = vector_type == TypeU32Vector(state, 4) ? spv::OpBitFieldUExtract
: spv::OpBitFieldSExtract;
for (uint32_t pair = 0; pair < 2u; pair++) {
if ((exp.en & (3u << (pair * 2u))) == 0u) {
continue;
@@ -344,8 +347,8 @@ uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo
continue;
}
raw[component] = state.builder.AllocateId();
state.builder.AddFunction(spv::OpBitFieldUExtract, TypeU32(state), raw[component],
packed, ConstantU32(state, lane * 16u),
state.builder.AddFunction(extract, TypeU32(state), raw[component], packed,
ConstantU32(state, lane * 16u),
ConstantU32(state, 16));
}
}
@@ -360,12 +363,10 @@ uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo
state.builder.AddFunction(spv::OpCompositeConstruct, TypeU32Vector(state, 4), data,
raw[0], raw[1], raw[2], raw[3]);
}
if (uint_output) {
if (vector_type == TypeU32Vector(state, 4)) {
return data;
}
const auto vector = state.builder.AllocateId();
state.builder.AddFunction(spv::OpBitcast, TypeF32Vector(state, 4), vector, data);
return vector;
return Unary(state, spv::OpBitcast, vector_type, data);
}
uint32_t DistancePointer(EmitterState& state, IR::StageOutputKind kind, uint32_t index) {
@@ -563,11 +564,11 @@ void EmitSetAttribute(ValueEmitContext& ctx, const IR::Inst& inst) {
if (state.program.stage != ShaderType::Mesh && variable == 0) {
return;
}
const bool uint_output = MrtOutputMode(state, exp) == 7u;
const auto vector_type = uint_output ? TypeU32Vector(state, 4) : TypeF32Vector(state, 4);
auto value = ExportVector(ctx, data, exp, uint_output);
const auto vector_type = MrtOutputMode(state, exp) != 0u ? MrtOutputType(state, exp.index)
: TypeF32Vector(state, 4);
auto value = ExportVector(ctx, data, exp, vector_type);
if (state.program.stage == ShaderType::Pixel && exp.kind == IR::ExportTargetKind::Mrt &&
exp.index == 0 && !uint_output &&
exp.index == 0 && vector_type == TypeF32Vector(state, 4) &&
state.input_info.pixel->alpha_blend_source != ShaderAlphaBlendSource::None) {
// Broadcast logical alpha before swizzling the primary output.
const auto blend_output =