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shader: support indirect BUFFER_LOAD_DWORDX3

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This commit is contained in:
nmzik
2026-09-24 19:07:39 +04:00
parent cce0cd950c
commit 392f39e2f6
4 changed files with 33 additions and 13 deletions
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src/graphics/shader/recompiler/ir/Program.cpp
+2 -4
View File
@@ -454,10 +454,8 @@ void ValidateProgram(const Program& program, bool require_ssa) {
ValueOpcodeName(inst.GetOpcode())));
}
if (memory.kind == ResourceKind::IndirectBuffer &&
(memory.formatted || memory.typed ||
(inst.GetOpcode() != ValueOpcode::LoadBufferU32x2 &&
inst.GetOpcode() != ValueOpcode::LoadBufferU32x4))) {
return Fail("indirect buffer requires a raw DWORD x2/x4 load");
!memory.SupportsIndirectBufferLoad(inst.GetOpcode())) {
return Fail("indirect buffer requires a raw DWORD x2/x3/x4 load");
}
if (buffer_components > 1u &&
(!vector_buffer || memory.data_bits != 32u ||
src/graphics/shader/recompiler/ir/ShaderIR.h
+6
View File
@@ -69,6 +69,12 @@ struct MemoryInfo {
bool offen = false;
bool planning_only = false;
[[nodiscard]] bool SupportsIndirectBufferLoad(ValueOpcode opcode) const {
return !formatted && !typed && data_bits == 32u &&
(opcode == ValueOpcode::LoadBufferU32x2 || opcode == ValueOpcode::LoadBufferU32x3 ||
opcode == ValueOpcode::LoadBufferU32x4);
}
bool operator==(const MemoryInfo& other) const = default;
};
src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+2 -3
View File
@@ -1206,11 +1206,10 @@ private:
if (buffer != BufferAccess::None) {
if (!GetHandle(inst.Arg(0), ValueOpcode::GetBufferResource, 4, flags.pc, handle,
source)) {
if (memory.kind != ResourceKind::Buffer || memory.formatted || memory.typed ||
(op != ValueOpcode::LoadBufferU32x2 && op != ValueOpcode::LoadBufferU32x4)) {
if (memory.kind != ResourceKind::Buffer || !memory.SupportsIndirectBufferLoad(op)) {
Fail(flags.pc,
"buffer descriptor is not a valid runtime value; GPU-selected access "
"requires a raw DWORD x2/x4 load");
"requires a raw DWORD x2/x3/x4 load");
}
m_program.memory_info[flags.index].kind = ResourceKind::IndirectBuffer;
m_info.uses_dma = true;