shader: support indirect BUFFER_LOAD_DWORDX3

src/graphics/shader/recompiler/ir/ShaderIR.h

@@ -69,6 +69,12 @@ struct MemoryInfo {
 	bool                    offen                                                 = false;
 	bool                    planning_only                                         = false;
 
+	[[nodiscard]] bool SupportsIndirectBufferLoad(ValueOpcode opcode) const {
+		return !formatted && !typed && data_bits == 32u &&
+		       (opcode == ValueOpcode::LoadBufferU32x2 || opcode == ValueOpcode::LoadBufferU32x3 ||
+		        opcode == ValueOpcode::LoadBufferU32x4);
+	}
+
 	bool operator==(const MemoryInfo& other) const = default;
 };