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[spv, vk, qcom] SFC 1 x 2 + SPVE.

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CamilleLaVey 2025-12-25 04:44:12 -04:00 • committed by lizzie
parent 974e441f8d
commit 8b19d72e0e
7 changed files with 269 additions and 5 deletions
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64
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -392,6 +392,69 @@ void SetupSignedNanCapabilities(const Profile& profile, const IR::Program& progr
}
}
void SetupRoundingMode(const Profile& profile, const IR::Program& program, EmitContext& ctx,
Id main_func) {
const auto& info = program.info;
// If no rounding modes used, nothing to do.
if (!info.uses_fp16_rounding_rte && !info.uses_fp16_rounding_rtz &&
!info.uses_fp32_rounding_rte && !info.uses_fp32_rounding_rtz &&
!info.uses_fp64_rounding_rte && !info.uses_fp64_rounding_rtz) {
return;
}
// Capability is required whenever any rounding mode is emitted.
ctx.AddCapability(spv::Capability::FPRoundingMode);
// FP16
if (info.uses_fp16_rounding_rte) {
if (profile.support_shader_rounding_rte_f16) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTE, 16U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp16 RTE rounding used in shader without host support");
}
}
if (info.uses_fp16_rounding_rtz) {
if (profile.support_shader_rounding_rtz_f16) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTZ, 16U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp16 RTZ rounding used in shader without host support");
}
}
// FP32
if (info.uses_fp32_rounding_rte) {
if (profile.support_shader_rounding_rte_f32) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTE, 32U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp32 RTE rounding used in shader without host support");
}
}
if (info.uses_fp32_rounding_rtz) {
if (profile.support_shader_rounding_rtz_f32) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTZ, 32U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp32 RTZ rounding used in shader without host support");
}
}
// FP64
if (info.uses_fp64_rounding_rte) {
if (profile.support_shader_rounding_rte_f64) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTE, 64U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp64 RTE rounding used in shader without host support");
}
}
if (info.uses_fp64_rounding_rtz) {
if (profile.support_shader_rounding_rtz_f64) {
ctx.AddExecutionMode(main_func, spv::ExecutionMode::RoundingModeRTZ, 64U);
} else {
LOG_DEBUG(Shader_SPIRV, "Fp64 RTZ rounding used in shader without host support");
}
}
}
void SetupTransformFeedbackCapabilities(EmitContext& ctx, Id main_func) {
if (ctx.runtime_info.xfb_count == 0) {
return;
@ -509,6 +572,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
ctx.AddExtension("SPV_KHR_float_controls");
SetupDenormControl(profile, program, ctx, main);
SetupSignedNanCapabilities(profile, program, ctx, main);
SetupRoundingMode(profile, program, ctx, main);
}
SetupCapabilities(profile, program.info, ctx);
SetupTransformFeedbackCapabilities(ctx, main);