suyu/src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp
ReinUsesLisp d54d7de40e glasm: Rework control flow introducing a syntax list
This commit regresses VertexA shaders, their transformation pass has to
be adapted to the new control flow.
2021-07-22 21:51:31 -04:00

28 lines
960 B
C++

// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "shader_recompiler/backend/spirv/emit_spirv.h"
#include "shader_recompiler/backend/spirv/emit_spirv_instructions.h"
namespace Shader::Backend::SPIRV {
void EmitJoin(EmitContext&) {
throw NotImplementedException("Join shouldn't be emitted");
}
void EmitDemoteToHelperInvocation(EmitContext& ctx) {
if (ctx.profile.support_demote_to_helper_invocation) {
ctx.OpDemoteToHelperInvocationEXT();
} else {
const Id kill_label{ctx.OpLabel()};
const Id impossible_label{ctx.OpLabel()};
ctx.OpSelectionMerge(impossible_label, spv::SelectionControlMask::MaskNone);
ctx.OpBranchConditional(ctx.true_value, kill_label, impossible_label);
ctx.AddLabel(kill_label);
ctx.OpKill();
ctx.AddLabel(impossible_label);
}
}
} // namespace Shader::Backend::SPIRV