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-rw-r--r--src/core/tracer/citrace.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/core/tracer/citrace.h b/src/core/tracer/citrace.h
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+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstdint>
+
+namespace CiTrace {
+
+// NOTE: Things are stored in little-endian
+
+#pragma pack(1)
+
+struct CTHeader {
+ static const char* ExpectedMagicWord() {
+ return "CiTr";
+ }
+
+ static uint32_t ExpectedVersion() {
+ return 1;
+ }
+
+ char magic[4];
+ uint32_t version;
+ uint32_t header_size;
+
+ struct {
+ // NOTE: Register range sizes are technically hardware-constants, but the actual limits
+ // aren't known. Hence we store the presumed limits along the offsets.
+ // Sizes are given in uint32_t units.
+ uint32_t gpu_registers;
+ uint32_t gpu_registers_size;
+ uint32_t lcd_registers;
+ uint32_t lcd_registers_size;
+ uint32_t pica_registers;
+ uint32_t pica_registers_size;
+ uint32_t default_attributes;
+ uint32_t default_attributes_size;
+ uint32_t vs_program_binary;
+ uint32_t vs_program_binary_size;
+ uint32_t vs_swizzle_data;
+ uint32_t vs_swizzle_data_size;
+ uint32_t vs_float_uniforms;
+ uint32_t vs_float_uniforms_size;
+ uint32_t gs_program_binary;
+ uint32_t gs_program_binary_size;
+ uint32_t gs_swizzle_data;
+ uint32_t gs_swizzle_data_size;
+ uint32_t gs_float_uniforms;
+ uint32_t gs_float_uniforms_size;
+
+ // Other things we might want to store here:
+ // - Initial framebuffer data, maybe even a full copy of FCRAM/VRAM
+ // - Lookup tables for fragment lighting
+ // - Lookup tables for procedural textures
+ } initial_state_offsets;
+
+ uint32_t stream_offset;
+ uint32_t stream_size;
+};
+
+enum CTStreamElementType : uint32_t {
+ FrameMarker = 0xE1,
+ MemoryLoad = 0xE2,
+ RegisterWrite = 0xE3,
+};
+
+struct CTMemoryLoad {
+ uint32_t file_offset;
+ uint32_t size;
+ uint32_t physical_address;
+ uint32_t pad;
+};
+
+struct CTRegisterWrite {
+ uint32_t physical_address;
+
+ enum : uint32_t {
+ SIZE_8 = 0xD1,
+ SIZE_16 = 0xD2,
+ SIZE_32 = 0xD3,
+ SIZE_64 = 0xD4
+ } size;
+
+ // TODO: Make it clearer which bits of this member are used for sizes other than 32 bits
+ uint64_t value;
+};
+
+struct CTStreamElement {
+ CTStreamElementType type;
+
+ union {
+ CTMemoryLoad memory_load;
+ CTRegisterWrite register_write;
+ };
+};
+
+#pragma pack()
+
+}