glasm: Initial (broken) implementation of TEX on GLASM
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ReinUsesLisp
ameerj
parent
1f3446b47e
commit
9fb2ea08e8
3 changed files with 386 additions and 299 deletions
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "shader_recompiler/backend/glasm/emit_context.h"
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#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
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#include "shader_recompiler/frontend/ir/modifiers.h"
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#include "shader_recompiler/frontend/ir/value.h"
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namespace Shader::Backend::GLASM {
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void EmitBindlessImageSampleImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageSampleExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageSampleDrefImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageSampleDrefExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageGather(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageGatherDref(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageFetch(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageQueryDimensions(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageQueryLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageGradient(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageRead(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBindlessImageWrite(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageSampleImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageSampleExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageSampleDrefImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageSampleDrefExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageGather(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageGatherDref(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageFetch(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageQueryDimensions(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageQueryLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageGradient(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageRead(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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void EmitBoundImageWrite(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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std::string Texture([[maybe_unused]] EmitContext& ctx, IR::TextureInstInfo info,
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[[maybe_unused]] const IR::Value& index) {
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// FIXME
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return fmt::format("texture[{}]", info.descriptor_index);
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}
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void EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
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Register coords, Register bias_lc,
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[[maybe_unused]] const IR::Value& offset) {
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
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const std::string_view op{info.has_bias ? "TXB" : "TEX"};
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const std::string_view lod_clamp{info.has_lod_clamp ? ".LODCLAMP" : ""};
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const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
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const std::string texture{Texture(ctx, info, index)};
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const Register ret{ctx.reg_alloc.Define(inst)};
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// FIXME
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const bool separate{info.type == TextureType::ColorArrayCube};
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if (separate) {
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ctx.Add("{}.F{}{} {},{},{},{},2D;", op, lod_clamp, sparse_mod, ret, coords, bias_lc,
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texture);
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} else {
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ctx.Add("MOV.F {}.w,{}.x;"
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"{}.F{}{} {},{},{},2D;",
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coords, bias_lc, op, lod_clamp, sparse_mod, ret, coords, texture);
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}
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if (sparse_inst) {
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const Register sparse_ret{ctx.reg_alloc.Define(*sparse_inst)};
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ctx.Add("MOV.S {},-1;"
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"MOV.S {}(NONRESIDENT),0;",
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sparse_ret, sparse_ret);
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sparse_inst->Invalidate();
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}
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}
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void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index,
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[[maybe_unused]] Register coords, [[maybe_unused]] Register lod_lc,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index,
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[[maybe_unused]] Register coords,
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[[maybe_unused]] Register dref,
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[[maybe_unused]] Register bias_lc,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index,
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[[maybe_unused]] Register coords,
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[[maybe_unused]] Register dref,
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[[maybe_unused]] Register lod_lc,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] const IR::Value& offset2) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] const IR::Value& offset2,
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[[maybe_unused]] Register dref) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
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[[maybe_unused]] Register offset, [[maybe_unused]] Register lod,
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[[maybe_unused]] Register ms) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageQueryDimensions([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index,
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[[maybe_unused]] Register lod) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageQueryLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageGradient([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
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[[maybe_unused]] Register derivates, [[maybe_unused]] Register offset,
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[[maybe_unused]] Register lod_clamp) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageRead([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitImageWrite([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
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[[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
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[[maybe_unused]] Register color) {
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throw NotImplementedException("GLASM instruction");
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}
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} // namespace Shader::Backend::GLASM
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