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Support reverse RGBA16F render targets

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This commit is contained in:
nmzik
2026-07-17 12:54:28 +02:00
parent dd58deae15
commit 0abe03af94
13 changed files with 245 additions and 16 deletions
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src/graphics/shader/recompiler/spirvEmitter/spirvEmitterExport.cpp
+18 -1
View File
@@ -50,6 +50,23 @@ uint32_t EmitExportVec4F32(EmitterState* state, const IR::Instruction& inst) {
return vec;
}
uint32_t ApplyMrtExportMapping(EmitterState* state, const IR::Instruction& inst, uint32_t value) {
if (inst.export_info.kind != IR::ExportTargetKind::Mrt || state->pixel_input_info == nullptr ||
inst.export_info.index >= state->pixel_input_info->target_export_mapping.size()) {
return value;
}
const auto mapping = state->pixel_input_info->target_export_mapping[inst.export_info.index];
if (mapping.IsIdentity()) {
return value;
}
const auto mapped = state->builder.AllocateId();
state->builder.AddFunction({OpVectorShuffle, state->vec4_float_type, mapped, value, value,
mapping.Map(0), mapping.Map(1), mapping.Map(2), mapping.Map(3)});
return mapped;
}
bool ExportWritesData(const IR::Instruction& inst) {
switch (inst.export_info.kind) {
case IR::ExportTargetKind::Null:
@@ -97,7 +114,7 @@ void EmitExport(EmitterState* state, const IR::Instruction& inst) {
return;
}
const auto value = EmitExportVec4F32(state, inst);
const auto value = ApplyMrtExportMapping(state, inst, EmitExportVec4F32(state, inst));
if (inst.export_info.kind == IR::ExportTargetKind::Position) {
const auto pointer = state->builder.AllocateId();
state->builder.AddFunction({OpAccessChain, state->ptr_output_vec4_float, pointer, variable,
src/graphics/shader/recompiler/spirvEmitter/spirvEmitterInternal.h
+1
View File
@@ -135,6 +135,7 @@ enum : uint32_t {
OpArrayLength = 68,
OpDecorate = 71,
OpMemberDecorate = 72,
OpVectorShuffle = 79,
OpCompositeConstruct = 80,
OpCompositeExtract = 81,
OpSampledImage = 86,