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shader: decode GPU-selected formatted buffer loads with native bounds

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
This commit is contained in:
nmzik
2026-10-04 05:23:12 +04:00
parent 181123ea08
commit a55a28380d
8 changed files with 356 additions and 205 deletions
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src/graphics/shader/recompiler/ir/Program.cpp
+1 -1
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@@ -458,7 +458,7 @@ void ValidateProgram(const Program& program, bool require_ssa) {
}
if (memory.kind == ResourceKind::IndirectBuffer &&
!memory.SupportsIndirectBufferLoad(inst.GetOpcode())) {
return Fail("indirect buffer requires a scalar or raw DWORD x2/x3/x4 load");
return Fail("indirect buffer requires a scalar, raw DWORD x2/x3/x4, or formatted X load");
}
if (buffer_components > 1u &&
(!vector_buffer || memory.data_bits != 32u ||
src/graphics/shader/recompiler/ir/ShaderIR.h
+6 -3
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@@ -73,9 +73,12 @@ struct MemoryInfo {
bool planning_only = false;
[[nodiscard]] bool SupportsIndirectBufferLoad(ValueOpcode opcode) const {
return !formatted && !typed && data_bits == 32u &&
(opcode == ValueOpcode::ReadConstBuffer || opcode == ValueOpcode::LoadBufferU32x2 ||
opcode == ValueOpcode::LoadBufferU32x3 || opcode == ValueOpcode::LoadBufferU32x4);
return !typed && data_bits == 32u &&
(formatted ? opcode == ValueOpcode::LoadBufferU32
: opcode == ValueOpcode::ReadConstBuffer ||
opcode == ValueOpcode::LoadBufferU32x2 ||
opcode == ValueOpcode::LoadBufferU32x3 ||
opcode == ValueOpcode::LoadBufferU32x4);
}
bool operator==(const MemoryInfo& other) const = default;
src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+1 -1
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@@ -2078,7 +2078,7 @@ private:
!memory.SupportsIndirectBufferLoad(op)) {
Fail(flags.pc,
"buffer descriptor is not a valid runtime value; GPU-selected access "
"requires a scalar or raw DWORD x2/x3/x4 load");
"requires a scalar, raw DWORD x2/x3/x4, or formatted X load");
}
m_program.memory_info[flags.index].kind = ResourceKind::IndirectBuffer;
m_info.uses_dma = true;