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eb844b9b63
* shader_recompiler: Implement manual barycentric interpolation path * clang format * emit_spirv: Fix typo * emit_spirv: Simplify variable definition * spirv_emit: clang format
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "shader_recompiler/backend/spirv/emit_spirv_instructions.h"
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#include "shader_recompiler/backend/spirv/spirv_emit_context.h"
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#include "shader_recompiler/ir/debug_print.h"
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namespace Shader::Backend::SPIRV {
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void EmitPrologue(EmitContext& ctx) {
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if (ctx.stage == Stage::Fragment) {
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ctx.DefineInterpolatedAttribs();
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}
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ctx.DefineBufferOffsets();
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}
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void ConvertDepthMode(EmitContext& ctx) {
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const Id type{ctx.F32[1]};
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const Id position{ctx.OpLoad(ctx.F32[4], ctx.output_position)};
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const Id z{ctx.OpCompositeExtract(type, position, 2u)};
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const Id w{ctx.OpCompositeExtract(type, position, 3u)};
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const Id screen_depth{ctx.OpFMul(type, ctx.OpFAdd(type, z, w), ctx.Constant(type, 0.5f))};
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const Id vector{ctx.OpCompositeInsert(ctx.F32[4], screen_depth, position, 2u)};
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ctx.OpStore(ctx.output_position, vector);
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}
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void EmitEpilogue(EmitContext& ctx) {
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if (ctx.stage == Stage::Vertex && ctx.runtime_info.vs_info.emulate_depth_negative_one_to_one) {
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ConvertDepthMode(ctx);
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}
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}
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void EmitDiscard(EmitContext& ctx) {
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ctx.OpDemoteToHelperInvocationEXT();
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}
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void EmitDiscardCond(EmitContext& ctx, Id condition) {
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const Id kill_label{ctx.OpLabel()};
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const Id merge_label{ctx.OpLabel()};
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ctx.OpSelectionMerge(merge_label, spv::SelectionControlMask::MaskNone);
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ctx.OpBranchConditional(condition, kill_label, merge_label);
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ctx.AddLabel(kill_label);
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ctx.OpDemoteToHelperInvocationEXT();
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ctx.OpBranch(merge_label);
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ctx.AddLabel(merge_label);
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}
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void EmitEmitVertex(EmitContext& ctx) {
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ctx.OpEmitVertex();
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}
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void EmitEmitPrimitive(EmitContext& ctx) {
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ctx.OpEndPrimitive();
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}
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void EmitEmitVertex(EmitContext& ctx, const IR::Value& stream) {
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throw NotImplementedException("Geometry streams");
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}
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void EmitEndPrimitive(EmitContext& ctx, const IR::Value& stream) {
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throw NotImplementedException("Geometry streams");
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}
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void EmitDebugPrint(EmitContext& ctx, IR::Inst* inst, Id fmt, Id arg0, Id arg1, Id arg2, Id arg3) {
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IR::DebugPrintFlags flags = inst->Flags<IR::DebugPrintFlags>();
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std::array<Id, IR::DEBUGPRINT_NUM_FORMAT_ARGS> fmt_args = {arg0, arg1, arg2, arg3};
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auto fmt_args_span = std::span<Id>(fmt_args.begin(), fmt_args.begin() + flags.num_args);
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ctx.OpDebugPrintf(fmt, fmt_args_span);
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}
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} // namespace Shader::Backend::SPIRV
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