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shader: share formatted stores for GPU-selected signed byte records

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nmzik
2026-10-14 17:10:02 +02:00
parent 04cb4c6553
commit 6d6da57a95
5 changed files with 329 additions and 38 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterMemory.cpp
+10 -8
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@@ -813,6 +813,7 @@ void StoreFormattedPrepared(ValueEmitContext& ctx, const IR::Inst& inst,
const IR::MemoryInfo& mem, const MemoryResourceAccess& resource,
const Format::BufferFormatInfo& info, uint32_t data,
uint32_t components) {
if (resource.object_pointer == 0u) return;
// RDNA2 formatted stores transfer the entire format, zero-filling missing VGPRs.
const auto plan = PrepareFormattedMemory(ctx, inst, mem, resource, info);
EmitIfCondition(ctx.state, plan.in_bounds, [&]() {
@@ -852,14 +853,15 @@ void StoreFormattedPrepared(ValueEmitContext& ctx, const IR::Inst& inst,
void FormattedStore(ValueEmitContext& ctx, const IR::Inst& inst, const IR::MemoryInfo& mem) {
EmitIfCondition(ctx.state, ctx.Arg(inst, inst.NumArgs() - 1), [&]() {
const auto resource = PrepareMemoryResourceAccess(ctx.state, mem);
const auto data = ctx.Arg(inst, inst.NumArgs() - 2);
const auto info = Format::GetFormatInfo(BufferFormat(ctx, mem));
if (info.type == Format::ComponentType::Unknown) {
StoreWordPrepared(ctx, inst, RebaseRawComponent(mem, 0u), resource, data);
return;
}
StoreFormattedPrepared(ctx, inst, mem, resource, info, data, 1u);
const auto data = ctx.Arg(inst, inst.NumArgs() - 2);
EmitBufferAccess(ctx, inst, mem, 0u, [&](const auto& selected, const auto& resource) {
const auto info = Format::GetFormatInfo(BufferFormat(ctx, selected));
if (info.type == Format::ComponentType::Unknown) {
StoreWordPrepared(ctx, inst, RebaseRawComponent(selected, 0u), resource, data);
return;
}
StoreFormattedPrepared(ctx, inst, selected, resource, info, data, 1u);
});
});
}