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shader: initialize EXEC from requested dispatch thread extents

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
This commit is contained in:
nmzik
2026-10-04 01:15:39 +04:00
parent f58014ff0e
commit e4aca7a60b
9 changed files with 147 additions and 12 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp
+5 -1
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@@ -85,9 +85,13 @@ void ValidateNativeProgram(const IR::Program& program) {
}
const auto has_shader_data_storage = present[static_cast<size_t>(Kind::ShaderData)];
const auto shader_data_dwords = program.bindings.ShaderDataDwords();
const auto user_data_dwords = program.bindings.user_data_registers.size();
const bool has_dispatch_threads = program.bindings.dispatch_thread_dword != IR::PushData::NoStart;
if ((program.bindings.UsesPushData() &&
!IR::PushData::CanFit(program.bindings.push_data_start_dword, shader_data_dwords)) ||
program.bindings.memory_offset_dword != program.bindings.user_data_registers.size() ||
(has_dispatch_threads && (program.stage != ShaderType::Compute ||
program.bindings.dispatch_thread_dword != user_data_dwords)) ||
program.bindings.memory_offset_dword != user_data_dwords + (has_dispatch_threads ? 3u : 0u) ||
program.bindings.memory_offset_count != buffers.size() ||
has_shader_data_storage != (shader_data_dwords != 0 && !program.bindings.UsesPushData()) ||
!std::is_sorted(program.bindings.user_data_registers.begin(),
src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+8
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@@ -631,6 +631,14 @@ uint32_t EmitGetBuiltin(ValueEmitContext& ctx, IR::Value kind, IR::Value index)
return EmitBuiltinU32(ctx.state, static_cast<IR::StageInputKind>(kind.U32()), index.U32());
}
uint32_t EmitGetDispatchThreadExtent(ValueEmitContext& ctx, const IR::Inst& inst) {
const auto start = ctx.state.program.bindings.dispatch_thread_dword;
if (start == IR::PushData::NoStart || !inst.Arg(0).IsImmediate() || inst.Arg(0).U32() >= 3u) {
ctx.Fail(inst, "invalid dispatch thread extent");
}
return EmitShaderDataDwordLoad(ctx.state, start + inst.Arg(0).U32());
}
uint32_t EmitUndefU1(EmitterState& state, const IR::Inst& inst) {
const auto result = state.builder.AllocateId();
state.builder.AddFunction(spv::OpUndef, TypeId(state, inst.GetType()), result);
src/graphics/shader/recompiler/backend/spirv/spirvEmitterInstructions.h
+1
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@@ -198,6 +198,7 @@ uint32_t EmitMeshDrawParameter(ValueEmitContext& ctx, const IR::Ins
uint32_t EmitGetTessellationAttribute(ValueEmitContext& ctx, const IR::Inst& inst);
void EmitSetTessellationAttribute(ValueEmitContext& ctx, const IR::Inst& inst);
uint32_t EmitGetUserData(EmitterState& state, IR::ScalarReg reg);
uint32_t EmitGetDispatchThreadExtent(ValueEmitContext& ctx, const IR::Inst& inst);
uint32_t EmitGetBuiltin(ValueEmitContext& ctx, IR::Value kind, IR::Value index);
uint32_t EmitUndefU1(EmitterState& state, const IR::Inst& inst);
inline constexpr auto EmitUndefU8 = EmitUndefU1;