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config: Add toggle for DMA (#3185)

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* config: Add toggle for DMA

* config: Log new config
This commit is contained in:
TheTurtle 2025-07-03 20:03:06 +03:00 • committed by GitHub
parent 48460d1cbe
commit df22c4225e
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GPG key ID: B5690EEEBB952194
9 changed files with 52 additions and 24 deletions
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22
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -784,19 +784,6 @@ EmitContext::BufferSpv EmitContext::DefineBuffer(bool is_storage, bool is_writte
};
void EmitContext::DefineBuffers() {
if (!profile.supports_robust_buffer_access && !info.uses_dma) {
// In case Flatbuf has not already been bound by IR and is needed
// to query buffer sizes, bind it now.
info.buffers.push_back({
.used_types = IR::Type::U32,
// We can't guarantee that flatbuf will not grow past UBO
// limit if there are a lot of ReadConsts. (We could specialize)
.inline_cbuf = AmdGpu::Buffer::Placeholder(std::numeric_limits<u32>::max()),
.buffer_type = BufferType::Flatbuf,
});
// In the future we may want to read buffer sizes from GPU memory if available.
// info.readconst_types |= Info::ReadConstType::Immediate;
}
for (const auto& desc : info.buffers) {
const auto buf_sharp = desc.GetSharp(info);
const bool is_storage = desc.IsStorage(buf_sharp, profile);
@ -1219,14 +1206,7 @@ Id EmitContext::DefineReadConst(bool dynamic) {
if (dynamic) {
return u32_zero_value;
} else {
const auto& flatbuf_buffer{buffers[flatbuf_index]};
ASSERT(flatbuf_buffer.binding >= 0 &&
flatbuf_buffer.buffer_type == BufferType::Flatbuf);
const auto [flatbuf_buffer_id, flatbuf_pointer_type] =
flatbuf_buffer.Alias(PointerType::U32);
const auto ptr{OpAccessChain(flatbuf_pointer_type, flatbuf_buffer_id, u32_zero_value,
flatbuf_offset)};
return OpLoad(U32[1], ptr);
return EmitFlatbufferLoad(flatbuf_offset);
}
});