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Xenia-Canary/src/xenia/gpu/texture_info.h

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2014 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_GPU_TEXTURE_INFO_H_
#define XENIA_GPU_TEXTURE_INFO_H_
#include <cstring>
#include <memory>
#include "xenia/base/assert.h"
#include "xenia/gpu/xenos.h"
namespace xe {
namespace gpu {
// a2xx_sq_surfaceformat
enum class TextureFormat : uint32_t {
k_1_REVERSE = 0,
k_1 = 1,
k_8 = 2,
k_1_5_5_5 = 3,
k_5_6_5 = 4,
k_6_5_5 = 5,
k_8_8_8_8 = 6,
k_2_10_10_10 = 7,
k_8_A = 8,
k_8_B = 9,
k_8_8 = 10,
k_Cr_Y1_Cb_Y0 = 11,
k_Y1_Cr_Y0_Cb = 12,
k_Shadow = 13,
k_8_8_8_8_A = 14,
k_4_4_4_4 = 15,
k_10_11_11 = 16,
k_11_11_10 = 17,
k_DXT1 = 18,
k_DXT2_3 = 19,
k_DXT4_5 = 20,
k_DXV = 21,
k_24_8 = 22,
k_24_8_FLOAT = 23,
k_16 = 24,
k_16_16 = 25,
k_16_16_16_16 = 26,
k_16_EXPAND = 27,
k_16_16_EXPAND = 28,
k_16_16_16_16_EXPAND = 29,
k_16_FLOAT = 30,
k_16_16_FLOAT = 31,
k_16_16_16_16_FLOAT = 32,
k_32 = 33,
k_32_32 = 34,
k_32_32_32_32 = 35,
k_32_FLOAT = 36,
k_32_32_FLOAT = 37,
k_32_32_32_32_FLOAT = 38,
k_32_AS_8 = 39,
k_32_AS_8_8 = 40,
k_16_MPEG = 41,
k_16_16_MPEG = 42,
k_8_INTERLACED = 43,
k_32_AS_8_INTERLACED = 44,
k_32_AS_8_8_INTERLACED = 45,
k_16_INTERLACED = 46,
k_16_MPEG_INTERLACED = 47,
k_16_16_MPEG_INTERLACED = 48,
k_DXN = 49,
k_8_8_8_8_AS_16_16_16_16 = 50,
k_DXT1_AS_16_16_16_16 = 51,
k_DXT2_3_AS_16_16_16_16 = 52,
k_DXT4_5_AS_16_16_16_16 = 53,
k_2_10_10_10_AS_16_16_16_16 = 54,
k_10_11_11_AS_16_16_16_16 = 55,
k_11_11_10_AS_16_16_16_16 = 56,
k_32_32_32_FLOAT = 57,
k_DXT3A = 58,
k_DXT5A = 59,
k_CTX1 = 60,
k_DXT3A_AS_1_1_1_1 = 61,
k_2_10_10_10_FLOAT = 62,
kUnknown = 0xFFFFFFFFu,
};
inline TextureFormat GetBaseFormat(TextureFormat texture_format) {
// These formats are used for resampling textures / gamma control.
switch (texture_format) {
case TextureFormat::k_16_EXPAND:
return TextureFormat::k_16;
case TextureFormat::k_16_16_EXPAND:
return TextureFormat::k_16_16;
case TextureFormat::k_16_16_16_16_EXPAND:
return TextureFormat::k_16_16_16_16;
case TextureFormat::k_8_8_8_8_AS_16_16_16_16:
return TextureFormat::k_8_8_8_8;
case TextureFormat::k_DXT1_AS_16_16_16_16:
return TextureFormat::k_DXT1;
case TextureFormat::k_DXT2_3_AS_16_16_16_16:
return TextureFormat::k_DXT2_3;
case TextureFormat::k_DXT4_5_AS_16_16_16_16:
return TextureFormat::k_DXT4_5;
case TextureFormat::k_2_10_10_10_AS_16_16_16_16:
return TextureFormat::k_2_10_10_10;
case TextureFormat::k_10_11_11_AS_16_16_16_16:
return TextureFormat::k_10_11_11;
case TextureFormat::k_11_11_10_AS_16_16_16_16:
return TextureFormat::k_11_11_10;
case TextureFormat::k_DXT3A_AS_1_1_1_1:
return TextureFormat::k_DXT3A;
default:
break;
}
return texture_format;
}
inline size_t GetTexelSize(TextureFormat format) {
switch (format) {
case TextureFormat::k_1_5_5_5:
return 2;
break;
case TextureFormat::k_2_10_10_10:
return 4;
break;
case TextureFormat::k_4_4_4_4:
return 2;
break;
case TextureFormat::k_5_6_5:
return 2;
break;
case TextureFormat::k_8:
return 1;
break;
case TextureFormat::k_8_8:
return 2;
break;
case TextureFormat::k_8_8_8_8:
return 4;
break;
case TextureFormat::k_16:
return 4;
break;
case TextureFormat::k_16_FLOAT:
return 4;
break;
case TextureFormat::k_16_16:
return 4;
break;
case TextureFormat::k_16_16_FLOAT:
return 4;
break;
case TextureFormat::k_16_16_16_16:
return 8;
break;
case TextureFormat::k_16_16_16_16_FLOAT:
return 8;
break;
case TextureFormat::k_32_FLOAT:
return 4;
break;
case TextureFormat::k_32_32_FLOAT:
return 8;
break;
case TextureFormat::k_32_32_32_32_FLOAT:
return 16;
break;
case TextureFormat::k_10_11_11:
case TextureFormat::k_11_11_10:
return 4;
break;
default:
assert_unhandled_case(format);
return 0;
}
}
inline TextureFormat ColorFormatToTextureFormat(ColorFormat color_format) {
return static_cast<TextureFormat>(color_format);
}
inline TextureFormat ColorRenderTargetToTextureFormat(
ColorRenderTargetFormat color_format) {
switch (color_format) {
case ColorRenderTargetFormat::k_8_8_8_8:
return TextureFormat::k_8_8_8_8;
case ColorRenderTargetFormat::k_8_8_8_8_GAMMA:
return TextureFormat::k_8_8_8_8;
case ColorRenderTargetFormat::k_2_10_10_10:
return TextureFormat::k_2_10_10_10;
case ColorRenderTargetFormat::k_2_10_10_10_FLOAT:
return TextureFormat::k_2_10_10_10_FLOAT;
case ColorRenderTargetFormat::k_16_16:
return TextureFormat::k_16_16;
case ColorRenderTargetFormat::k_16_16_16_16:
return TextureFormat::k_16_16_16_16;
case ColorRenderTargetFormat::k_16_16_FLOAT:
return TextureFormat::k_16_16_FLOAT;
case ColorRenderTargetFormat::k_16_16_16_16_FLOAT:
return TextureFormat::k_16_16_16_16_FLOAT;
case ColorRenderTargetFormat::k_2_10_10_10_unknown:
return TextureFormat::k_2_10_10_10;
case ColorRenderTargetFormat::k_2_10_10_10_FLOAT_unknown:
return TextureFormat::k_2_10_10_10_FLOAT;
case ColorRenderTargetFormat::k_32_FLOAT:
return TextureFormat::k_32_FLOAT;
case ColorRenderTargetFormat::k_32_32_FLOAT:
return TextureFormat::k_32_32_FLOAT;
default:
assert_unhandled_case(color_format);
return TextureFormat::kUnknown;
}
}
inline TextureFormat DepthRenderTargetToTextureFormat(
DepthRenderTargetFormat depth_format) {
switch (depth_format) {
case DepthRenderTargetFormat::kD24S8:
return TextureFormat::k_24_8;
case DepthRenderTargetFormat::kD24FS8:
return TextureFormat::k_24_8_FLOAT;
default:
assert_unhandled_case(depth_format);
return TextureFormat::kUnknown;
}
}
enum class FormatType {
kUncompressed,
kCompressed,
};
struct FormatInfo {
TextureFormat format;
FormatType type;
uint32_t block_width;
uint32_t block_height;
uint32_t bits_per_pixel;
static const FormatInfo* Get(uint32_t gpu_format);
};
struct TextureInfo {
uint32_t guest_address;
TextureFormat texture_format;
Dimension dimension;
uint32_t width;
uint32_t height;
uint32_t depth;
Endian endianness;
bool is_tiled;
bool has_packed_mips;
uint32_t input_length;
uint32_t output_length;
const FormatInfo* format_info() const {
return FormatInfo::Get(static_cast<uint32_t>(texture_format));
}
bool is_compressed() const {
return format_info()->type == FormatType::kCompressed;
}
union {
struct {
uint32_t logical_width;
uint32_t block_width; // # of horizontal blocks
uint32_t input_width; // pixel pitch
uint32_t input_pitch; // pitch in bytes
// DEPRECATED: Do not use.
uint32_t output_width;
uint32_t output_pitch;
} size_1d;
struct {
uint32_t logical_width;
uint32_t logical_height;
uint32_t block_width; // # of horizontal blocks
uint32_t block_height; // # of vertical blocks
uint32_t input_width; // pixel pitch
uint32_t input_height; // pixel height
uint32_t input_pitch; // pitch in bytes
// DEPRECATED: Do not use.
uint32_t output_width;
uint32_t output_height;
uint32_t output_pitch;
} size_2d;
struct {
} size_3d;
struct {
uint32_t logical_width;
uint32_t logical_height;
uint32_t block_width; // # of horizontal blocks
uint32_t block_height; // # of vertical blocks
uint32_t input_width; // pixel pitch
uint32_t input_height; // pixel height
uint32_t input_pitch; // pitch in bytes
uint32_t input_face_length; // pitch of face in bytes
// DEPRECATED: Do not use.
uint32_t output_width;
uint32_t output_height;
uint32_t output_pitch;
uint32_t output_face_length;
} size_cube;
};
static bool Prepare(const xenos::xe_gpu_texture_fetch_t& fetch,
TextureInfo* out_info);
static bool PrepareResolve(uint32_t physical_address,
TextureFormat texture_format, Endian endian,
uint32_t width, uint32_t height,
TextureInfo* out_info);
static bool GetPackedTileOffset(const TextureInfo& texture_info,
uint32_t* out_offset_x,
uint32_t* out_offset_y);
static uint32_t TiledOffset2DOuter(uint32_t y, uint32_t width,
uint32_t log_bpp);
static uint32_t TiledOffset2DInner(uint32_t x, uint32_t y, uint32_t bpp,
uint32_t base_offset);
uint64_t hash() const;
bool operator==(const TextureInfo& other) const {
return std::memcmp(this, &other, sizeof(TextureInfo)) == 0;
}
private:
void CalculateTextureSizes1D(uint32_t width);
void CalculateTextureSizes2D(uint32_t width, uint32_t height);
void CalculateTextureSizesCube(uint32_t width, uint32_t height,
uint32_t depth);
};
} // namespace gpu
} // namespace xe
#endif // XENIA_GPU_TEXTURE_INFO_H_