1 files changed, 125 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index e69de29bb..72733d1cf 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -0,0 +1,125 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <string_view>
+
+#include "shader_recompiler/backend/glasm/emit_context.h"
+#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLASM {
+namespace {
+void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset,
+             std::string_view size) {
+    if (!binding.IsImmediate()) {
+        throw NotImplementedException("Indirect constant buffer loading");
+    }
+    const std::string ret{ctx.reg_alloc.Define(inst)};
+    ctx.Add("LDC.{} {},c{}[{}];", size, ret, binding.U32(), ctx.reg_alloc.Consume(offset));
+}
+} // Anonymous namespace
+
+void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                   const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "U8");
+}
+
+void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                   const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "S8");
+}
+
+void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                    const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "U16");
+}
+
+void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                    const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "S16");
+}
+
+void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                    const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "U32");
+}
+
+void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                    const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "F32");
+}
+
+void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                      const IR::Value& offset) {
+    GetCbuf(ctx, inst, binding, offset, "U32X2");
+}
+
+void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
+                      [[maybe_unused]] std::string_view vertex) {
+    if (IR::IsGeneric(attr)) {
+        const u32 index{IR::GenericAttributeIndex(attr)};
+        const u32 element{IR::GenericAttributeElement(attr)};
+        ctx.Add("MOV.F {},in_attr{}.{};", inst, index, "xyzw"[element]);
+        return;
+    }
+    throw NotImplementedException("Get attribute {}", attr);
+}
+
+void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view value,
+                      [[maybe_unused]] std::string_view vertex) {
+    const u32 element{static_cast<u32>(attr) % 4};
+    const char swizzle{"xyzw"[element]};
+    if (IR::IsGeneric(attr)) {
+        const u32 index{IR::GenericAttributeIndex(attr)};
+        ctx.Add("MOV.F out_attr{}.{},{};", index, swizzle, value);
+        return;
+    }
+    switch (attr) {
+    case IR::Attribute::PositionX:
+    case IR::Attribute::PositionY:
+    case IR::Attribute::PositionZ:
+    case IR::Attribute::PositionW:
+        ctx.Add("MOV.F result.position.{},{};", swizzle, value);
+        break;
+    default:
+        throw NotImplementedException("Set attribute {}", attr);
+    }
+}
+
+void EmitGetAttributeIndexed([[maybe_unused]] EmitContext& ctx,
+                             [[maybe_unused]] std::string_view offset,
+                             [[maybe_unused]] std::string_view vertex) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSetAttributeIndexed([[maybe_unused]] EmitContext& ctx,
+                             [[maybe_unused]] std::string_view offset,
+                             [[maybe_unused]] std::string_view value,
+                             [[maybe_unused]] std::string_view vertex) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitGetPatch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Patch patch) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSetPatch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Patch patch,
+                  [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSetFragColor([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] u32 index,
+                      [[maybe_unused]] u32 component, [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSetSampleMask([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSetFragDepth([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+} // namespace Shader::Backend::GLASM