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shader: Implement DMNMX, DSET, DSETP

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This commit is contained in:
ameerj 2021-03-21 19:28:37 -04:00
parent 56be556eee
commit e4e1cc11b8
16 changed files with 210 additions and 59 deletions
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39
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -152,24 +152,7 @@ void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
void SetupDenormControl(const Profile& profile, const IR::Program& program, EmitContext& ctx,
Id main_func) {
if (!profile.support_float_controls) {
return;
}
const Info& info{program.info};
if (!info.uses_fp32_denorms_flush && !info.uses_fp32_denorms_preserve &&
!info.uses_fp16_denorms_flush && !info.uses_fp16_denorms_preserve) {
return;
}
ctx.AddExtension("SPV_KHR_float_controls");
if (info.uses_fp16 && profile.support_fp16_signed_zero_nan_preserve) {
ctx.AddCapability(spv::Capability::SignedZeroInfNanPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve, 16U);
}
if (profile.support_fp32_signed_zero_nan_preserve) {
ctx.AddCapability(spv::Capability::SignedZeroInfNanPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve, 32U);
}
if (info.uses_fp32_denorms_flush && info.uses_fp32_denorms_preserve) {
// LOG_ERROR(HW_GPU, "Fp32 denorm flush and preserve on the same shader");
} else if (info.uses_fp32_denorms_flush) {
@ -210,6 +193,22 @@ void SetupDenormControl(const Profile& profile, const IR::Program& program, Emit
}
}
void SetupSignedNanCapabilities(const Profile& profile, const IR::Program& program,
EmitContext& ctx, Id main_func) {
if (program.info.uses_fp16 && profile.support_fp16_signed_zero_nan_preserve) {
ctx.AddCapability(spv::Capability::SignedZeroInfNanPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve, 16U);
}
if (profile.support_fp32_signed_zero_nan_preserve) {
ctx.AddCapability(spv::Capability::SignedZeroInfNanPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve, 32U);
}
if (program.info.uses_fp64 && profile.support_fp64_signed_zero_nan_preserve) {
ctx.AddCapability(spv::Capability::SignedZeroInfNanPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve, 64U);
}
}
void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) {
if (info.uses_sampled_1d) {
ctx.AddCapability(spv::Capability::Sampled1D);
@ -260,7 +259,11 @@ std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program
EmitContext ctx{profile, program, binding};
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(env, ctx, main);
SetupDenormControl(profile, program, ctx, main);
if (profile.support_float_controls) {
ctx.AddExtension("SPV_KHR_float_controls");
SetupDenormControl(profile, program, ctx, main);
SetupSignedNanCapabilities(profile, program, ctx, main);
}
SetupCapabilities(profile, program.info, ctx);
return ctx.Assemble();
}