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shader: run merged geometry stages as mesh shaders

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Co-authored-by: Brandon Strong <brandostrong@gmail.com>
Co-authored-by: fxpw <fxpw@outlook.com>
Co-authored-by: shadowbeat070 <70843316+shadowbeat070@users.noreply.github.com>
This commit is contained in:
nmzik
2026-09-05 08:32:23 +04:00
parent 246212789f
commit 3213934d42
39 changed files with 1403 additions and 858 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp
+10 -3
View File
@@ -236,7 +236,8 @@ void AnalyzeProgramRequirements(IR::Program& program) {
if (kind != IR::ResourceKind::Lds && kind != IR::ResourceKind::Gds) {
Fail(program, "shared operation has invalid resource kind");
}
if (program.stage != ShaderType::Compute && kind == IR::ResourceKind::Lds) {
if (program.stage != ShaderType::Compute && program.stage != ShaderType::Mesh &&
kind == IR::ResourceKind::Lds) {
requirements.function_lds = true;
}
if (shared_access == IR::SharedAccess::Append ||
@@ -259,7 +260,6 @@ void AnalyzeProgramRequirements(IR::Program& program) {
break;
}
case IR::ValueOpcode::DppUpdateU32:
case IR::ValueOpcode::WqmMask:
case IR::ValueOpcode::WriteLane: {
MarkBallot();
requirements.subgroup_local_invocation_id = true;
@@ -308,7 +308,7 @@ std::vector<uint32_t> EmitProgram(const IR::Program& program,
using namespace Emitter;
if (program.stage != ShaderType::Compute && program.stage != ShaderType::Vertex &&
program.stage != ShaderType::Pixel) {
program.stage != ShaderType::Pixel && program.stage != ShaderType::Mesh) {
Fail(program, "binary SPIR-V emitter supports compute, vertex, and pixel shaders");
}
if (!program.srt_plan_complete || !program.resource_tracking_complete ||
@@ -321,6 +321,11 @@ std::vector<uint32_t> EmitProgram(const IR::Program& program,
EmitterState state(program, input_info);
state.stage = program.stage;
state.wave_size = program.wave_size;
const auto* workgroup = ShaderWorkgroupInput(program.stage, input_info);
state.lane_count =
workgroup != nullptr && program.wave_size == 64u && workgroup->host_subgroup_size == 32u
? 2u
: 1u;
state.inputs.reserve(program.info.inputs.size());
state.outputs.reserve(program.info.outputs.size());
state.interface_variables.reserve(program.info.inputs.size() + program.info.outputs.size());
@@ -329,6 +334,8 @@ std::vector<uint32_t> EmitProgram(const IR::Program& program,
AllocateOutputVariables(state);
DefineModule(state);
EmitProgram(state, program);
state.builder.AddEntryPoint(ExecutionModelForStage(state.stage), state.main_func, "main",
state.interface_variables);
auto binary = state.builder.Build();
if (binary.empty()) {