1 files changed, 178 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
index e69de29bb..9e38a1bdf 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
@@ -0,0 +1,178 @@
+// 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/program.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLASM {
+namespace {
+void StorageOp(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+               std::string_view then_expr, std::string_view else_expr = {}) {
+    // Operate on bindless SSBO, call the expression with bounds checking
+    // address = c[binding].xy
+    // length  = c[binding].z
+    const u32 sb_binding{binding.U32()};
+    ctx.Add("PK64.U LC,c[{}];"           // pointer = address
+            "CVT.U64.U32 LC.z,{};"       // offset = uint64_t(offset)
+            "ADD.U64 LC.x,LC.x,LC.z;"    // pointer += offset
+            "SLT.U.CC RC.x,{},c[{}].z;", // cc = offset < length
+            sb_binding, offset, offset, sb_binding);
+    if (else_expr.empty()) {
+        ctx.Add("{}", then_expr);
+    } else {
+        ctx.Add("IF NE.x;{}ELSE;{}ENDIF;", then_expr, else_expr);
+    }
+}
+
+void Store(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+           std::string_view value, std::string_view size) {
+    StorageOp(ctx, binding, offset, fmt::format("STORE.{} {},LC.x;", size, value));
+}
+
+void Load(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, std::string_view offset,
+          std::string_view size) {
+    const std::string ret{ctx.reg_alloc.Define(inst)};
+    StorageOp(ctx, binding, offset, fmt::format("STORE.{} {},LC.x;", size, ret),
+              fmt::format("MOV.U {},{{0,0,0,0}};", ret));
+}
+} // Anonymous namespace
+
+void EmitLoadGlobalU8([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobalS8([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobalU16([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobalS16([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobal32([[maybe_unused]] EmitContext& ctx,
+                      [[maybe_unused]] std::string_view address) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobal64([[maybe_unused]] EmitContext& ctx,
+                      [[maybe_unused]] std::string_view address) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadGlobal128([[maybe_unused]] EmitContext& ctx,
+                       [[maybe_unused]] std::string_view address) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobalU8([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobalS8([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobalU16([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobalS16([[maybe_unused]] EmitContext& ctx) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view address,
+                       [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view address,
+                       [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitWriteGlobal128([[maybe_unused]] EmitContext& ctx,
+                        [[maybe_unused]] std::string_view address,
+                        [[maybe_unused]] std::string_view value) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitLoadStorageU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                       std::string_view offset) {
+    Load(ctx, inst, binding, offset, "U8");
+}
+
+void EmitLoadStorageS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                       std::string_view offset) {
+    Load(ctx, inst, binding, offset, "S8");
+}
+
+void EmitLoadStorageU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                        std::string_view offset) {
+    Load(ctx, inst, binding, offset, "U16");
+}
+
+void EmitLoadStorageS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                        std::string_view offset) {
+    Load(ctx, inst, binding, offset, "S16");
+}
+
+void EmitLoadStorage32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                       std::string_view offset) {
+    Load(ctx, inst, binding, offset, "U32");
+}
+
+void EmitLoadStorage64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                       std::string_view offset) {
+    Load(ctx, inst, binding, offset, "U32X2");
+}
+
+void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
+                        std::string_view offset) {
+    Load(ctx, inst, binding, offset, "U32X4");
+}
+
+void EmitWriteStorageU8(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                        std::string_view value) {
+    Store(ctx, binding, offset, value, "U8");
+}
+
+void EmitWriteStorageS8(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                        std::string_view value) {
+    Store(ctx, binding, offset, value, "S8");
+}
+
+void EmitWriteStorageU16(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                         std::string_view value) {
+    Store(ctx, binding, offset, value, "U16");
+}
+
+void EmitWriteStorageS16(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                         std::string_view value) {
+    Store(ctx, binding, offset, value, "S16");
+}
+
+void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                        std::string_view value) {
+    Store(ctx, binding, offset, value, "U32");
+}
+
+void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                        std::string_view value) {
+    Store(ctx, binding, offset, value, "U32X2");
+}
+
+void EmitWriteStorage128(EmitContext& ctx, const IR::Value& binding, std::string_view offset,
+                         std::string_view value) {
+    Store(ctx, binding, offset, value, "U32X4");
+}
+
+} // namespace Shader::Backend::GLASM