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refactor(shader): emit SPIR-V declarations on demand

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This commit is contained in:
nmzik
2026-08-19 04:57:23 +02:00
parent e1bcc298a0
commit d34e30d892
20 changed files with 1629 additions and 1495 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp
+6 -19
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@@ -232,13 +232,10 @@ static void ReportReserveExceeded(const IR::Program& program, const char* vector
InitialEmitterVectorReserve);
}
IR::SpirvRequirements GetProgramRequirements(const IR::Program& program) {
if (program.spirv_requirements.has_value()) {
return *program.spirv_requirements;
}
IR::SpirvRequirements requirements;
void AnalyzeProgramRequirements(IR::Program& program) {
auto& requirements = program.spirv_requirements.emplace();
if (program.values == nullptr) {
return requirements;
return;
}
const auto MarkExactSubgroup = [&] {
requirements.requires_exact_subgroup = true;
@@ -277,7 +274,6 @@ IR::SpirvRequirements GetProgramRequirements(const IR::Program& program) {
MarkExactSubgroup();
requirements.subgroup_shuffle = true;
requirements.subgroup_local_invocation_id = true;
requirements.function_lds = program.stage != ShaderType::Compute;
break;
}
case IR::ValueOpcode::DataAppend:
@@ -333,7 +329,6 @@ IR::SpirvRequirements GetProgramRequirements(const IR::Program& program) {
}
}
}
return requirements;
}
bool EmitProgram(const IR::Program& program, const IR::ResourceSnapshot& resources,
@@ -347,7 +342,8 @@ bool EmitProgram(const IR::Program& program, const IR::ResourceSnapshot& resourc
return false;
}
if (!program.srt_plan_complete || !program.resource_tracking_complete ||
!program.shader_info_complete || !program.binding_layout_complete) {
!program.shader_info_complete || !program.binding_layout_complete ||
!program.spirv_requirements.has_value()) {
SetError(error, "SPIR-V emitter requires a fully planned native shader program");
return false;
}
@@ -369,7 +365,6 @@ bool EmitProgram(const IR::Program& program, const IR::ResourceSnapshot& resourc
return false;
}
EmitterState state(program, resources, input_info);
const auto requirements = GetProgramRequirements(program);
state.stage = program.stage;
state.wave_size = program.wave_size;
state.per_invocation_masks = program.lane_mask_mode == ShaderLaneMaskMode::PerInvocation;
@@ -377,17 +372,9 @@ bool EmitProgram(const IR::Program& program, const IR::ResourceSnapshot& resourc
state.outputs.reserve(InitialEmitterVectorReserve);
state.interface_variables.reserve(InitialEmitterVectorReserve);
CopyProgramInputsAndOutputs(state, program);
state.needs_subgroup_ballot = requirements.subgroup_ballot;
state.needs_subgroup_shuffle = requirements.subgroup_shuffle;
state.needs_subgroup_local_invocation_id = requirements.subgroup_local_invocation_id;
state.needs_compute_derivatives = requirements.compute_derivatives;
state.needs_image_gather_extended = requirements.image_gather_extended;
state.needs_function_lds = requirements.function_lds;
state.needs_pixel_valid_mask = requirements.pixel_valid_mask;
AllocateInputVariables(state);
AllocateOutputVariables(state);
AllocateDescriptorVariables(state);
EmitHeaderAndTypes(state);
DefineModule(state);
if (!EmitValueProgram(state, value_program, error)) {
return false;
}