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shader: Implement TXQ and fix FragDepth

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This commit is contained in:
ReinUsesLisp 2021-03-26 18:45:38 -03:00 • committed by ameerj
parent d9c5bd9509
commit 17063d16a3
15 changed files with 264 additions and 21 deletions
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10
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -126,10 +126,10 @@ Id DefineMain(EmitContext& ctx, IR::Program& program) {
return main;
}
void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
void DefineEntryPoint(Environment& env, const IR::Program& program, EmitContext& ctx, Id main) {
const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size());
spv::ExecutionModel execution_model{};
switch (env.ShaderStage()) {
switch (program.stage) {
case Shader::Stage::Compute: {
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
execution_model = spv::ExecutionModel::GLCompute;
@ -143,6 +143,9 @@ void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
case Shader::Stage::Fragment:
execution_model = spv::ExecutionModel::Fragment;
ctx.AddExecutionMode(main, spv::ExecutionMode::OriginUpperLeft);
if (program.info.stores_frag_depth) {
ctx.AddExecutionMode(main, spv::ExecutionMode::DepthReplacing);
}
break;
default:
throw NotImplementedException("Stage {}", env.ShaderStage());
@ -235,6 +238,7 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
}
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);
ctx.AddCapability(spv::Capability::ImageQuery);
}
Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {
@ -267,7 +271,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program
u32& binding) {
EmitContext ctx{profile, program, binding};
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(env, ctx, main);
DefineEntryPoint(env, program, ctx, main);
if (profile.support_float_controls) {
ctx.AddExtension("SPV_KHR_float_controls");
SetupDenormControl(profile, program, ctx, main);