From 9fb2ea08e84f7194136f5a2f320dd3de04e8ca5d Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 15 May 2021 18:16:39 -0300
Subject: glasm: Initial (broken) implementation of TEX on GLASM
---
.../backend/glasm/emit_glasm_image.cpp | 221 +++++++++++++++++++++
1 file changed, 221 insertions(+)
(limited to 'src/shader_recompiler/backend/glasm/emit_glasm_image.cpp')
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
index e69de29bb2..a32d019258 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -0,0 +1,221 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/backend/glasm/emit_context.h"
+#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
+#include "shader_recompiler/frontend/ir/modifiers.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLASM {
+
+void EmitBindlessImageSampleImplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageSampleExplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageSampleDrefImplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageSampleDrefExplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageGather(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageGatherDref(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageFetch(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageQueryDimensions(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageGradient(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageRead(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBindlessImageWrite(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageSampleImplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageSampleExplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageSampleDrefImplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageSampleDrefExplicitLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageGather(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageGatherDref(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageFetch(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageQueryDimensions(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageQueryLod(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageGradient(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageRead(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+void EmitBoundImageWrite(EmitContext&) {
+ throw LogicError("Unreachable instruction");
+}
+
+std::string Texture([[maybe_unused]] EmitContext& ctx, IR::TextureInstInfo info,
+ [[maybe_unused]] const IR::Value& index) {
+ // FIXME
+ return fmt::format("texture[{}]", info.descriptor_index);
+}
+
+void EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
+ Register coords, Register bias_lc,
+ [[maybe_unused]] const IR::Value& offset) {
+ const auto info{inst.Flags<IR::TextureInstInfo>()};
+ const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
+ const std::string_view op{info.has_bias ? "TXB" : "TEX"};
+ const std::string_view lod_clamp{info.has_lod_clamp ? ".LODCLAMP" : ""};
+ const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
+ const std::string texture{Texture(ctx, info, index)};
+ const Register ret{ctx.reg_alloc.Define(inst)};
+ // FIXME
+ const bool separate{info.type == TextureType::ColorArrayCube};
+ if (separate) {
+ ctx.Add("{}.F{}{} {},{},{},{},2D;", op, lod_clamp, sparse_mod, ret, coords, bias_lc,
+ texture);
+ } else {
+ ctx.Add("MOV.F {}.w,{}.x;"
+ "{}.F{}{} {},{},{},2D;",
+ coords, bias_lc, op, lod_clamp, sparse_mod, ret, coords, texture);
+ }
+ if (sparse_inst) {
+ const Register sparse_ret{ctx.reg_alloc.Define(*sparse_inst)};
+ ctx.Add("MOV.S {},-1;"
+ "MOV.S {}(NONRESIDENT),0;",
+ sparse_ret, sparse_ret);
+ sparse_inst->Invalidate();
+ }
+}
+
+void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index,
+ [[maybe_unused]] Register coords, [[maybe_unused]] Register lod_lc,
+ [[maybe_unused]] const IR::Value& offset) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx,
+ [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index,
+ [[maybe_unused]] Register coords,
+ [[maybe_unused]] Register dref,
+ [[maybe_unused]] Register bias_lc,
+ [[maybe_unused]] const IR::Value& offset) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
+ [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index,
+ [[maybe_unused]] Register coords,
+ [[maybe_unused]] Register dref,
+ [[maybe_unused]] Register lod_lc,
+ [[maybe_unused]] const IR::Value& offset) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
+ [[maybe_unused]] const IR::Value& offset,
+ [[maybe_unused]] const IR::Value& offset2) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageGatherDref([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
+ [[maybe_unused]] const IR::Value& offset,
+ [[maybe_unused]] const IR::Value& offset2,
+ [[maybe_unused]] Register dref) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
+ [[maybe_unused]] Register offset, [[maybe_unused]] Register lod,
+ [[maybe_unused]] Register ms) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageQueryDimensions([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index,
+ [[maybe_unused]] Register lod) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageQueryLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageGradient([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
+ [[maybe_unused]] Register derivates, [[maybe_unused]] Register offset,
+ [[maybe_unused]] Register lod_clamp) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageRead([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+void EmitImageWrite([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+ [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coords,
+ [[maybe_unused]] Register color) {
+ throw NotImplementedException("GLASM instruction");
+}
+
+} // namespace Shader::Backend::GLASM
--
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