shader_recompiler: add SSA

2026-10-21 11:26:56 +02:00 · 2026-08-15 03:11:19 +02:00
parent bc2f077c37
commit b42380ced6
113 changed files with 40415 additions and 32616 deletions
@@ -0,0 +1,45 @@
+#ifndef EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_DECOMPILER_OPCODETABLE_H_
+#define EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_DECOMPILER_OPCODETABLE_H_
+
+#include "graphics/shader/recompiler/frontend/decode/ShaderDecoder.h"
+
+#include <cstddef>
+
+namespace Libs::Graphics::ShaderRecompiler::Decoder::Detail {
+
+struct OpcodeMap {
+	uint32_t encoding = 0;
+	Opcode   decoded  = Opcode::Unknown;
+};
+
+template <typename Entry, size_t N>
+constexpr const Entry* FindOpcode(const Entry (&table)[N], uint32_t encoding) {
+	for (const auto& entry: table) {
+		if (entry.encoding == encoding) {
+			return &entry;
+		}
+	}
+	return nullptr;
+}
+
+template <typename Entry, size_t N>
+constexpr Opcode LookupOpcode(const Entry (&table)[N], uint32_t encoding) {
+	const auto* entry = FindOpcode(table, encoding);
+	return entry != nullptr ? entry->decoded : Opcode::Unsupported;
+}
+
+template <typename Entry, size_t N>
+constexpr bool HasUniqueEncodings(const Entry (&table)[N]) {
+	for (size_t i = 0; i < N; i++) {
+		for (size_t j = i + 1; j < N; j++) {
+			if (table[i].encoding == table[j].encoding) {
+				return false;
+			}
+		}
+	}
+	return true;
+}
+
+} // namespace Libs::Graphics::ShaderRecompiler::Decoder::Detail
+
+#endif // EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_DECOMPILER_OPCODETABLE_H_