/* * Mesa 3-D graphics library * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * Copyright (c) 2008-2009 VMware, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /* * Authors: * Brian Paul */ #ifndef FORMATS_H #define FORMATS_H #include #ifdef __cplusplus extern "C" { #endif /** * OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type * for GL_LUMINANCE4_ALPHA4. */ #define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1) /** * Max number of bytes for any non-compressed pixel format below, or for * intermediate pixel storage in Mesa. This should never be less than * 16. Maybe 32 someday? */ #define MAX_PIXEL_BYTES 16 /** * Mesa texture/renderbuffer image formats. */ typedef enum { MESA_FORMAT_NONE = 0, /** * \name Basic hardware formats * * The mesa format name specification is as follows: * * There shall be 3 naming format base types: those for component array * formats (type A); those for compressed formats (type C); and those for * packed component formats (type P). With type A formats, color component * order does not change with endianess. Each format name shall begin with * MESA_FORMAT_, followed by a component label (from the Component Label * list below) for each component in the order that the component(s) occur * in the format, except for non-linear color formats where the first * letter shall be 'S'. For type P formats, each component label is * followed by the number of bits that represent it in the fundamental * data type used by the format. * * Following the listing of the component labels shall be an underscore; a * compression type followed by an underscore for Type C formats only; a * storage type from the list below; and a bit with for type A formats, * which is the bit width for each array element. * * * ---------- Format Base Type A: Array ---------- * MESA_FORMAT_[component list]_[storage type][array element bit width] * * examples: * MESA_FORMAT_A_SNORM8 - uchar[i] = A * MESA_FORMAT_RGBA_16 - ushort[i * 4 + 0] = R, ushort[i * 4 + 1] = G, * ushort[i * 4 + 2] = B, ushort[i * 4 + 3] = A * MESA_FORMAT_Z_UNORM32 - float[i] = Z * * * * ---------- Format Base Type C: Compressed ---------- * MESA_FORMAT_[component list*][_*][compression type][storage type*] * * where required * * examples: * MESA_FORMAT_RGB_ETC1 * MESA_FORMAT_RGBA_ETC2 * MESA_FORMAT_LATC1_UNORM * MESA_FORMAT_RGBA_FXT1 * * * * ---------- Format Base Type P: Packed ---------- * MESA_FORMAT_[[component list,bit width][storage type*][_]][_][storage type**] * * when type differs between component * ** when type applies to all components * * examples: msb <------ TEXEL BITS -----------> lsb * MESA_FORMAT_A8B8G8R8_UNORM, AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR * MESA_FORMAT_R5G6B5_UNORM RRRR RGGG GGGB BBBB * MESA_FORMAT_B4G4R4X4_UNORM BBBB GGGG RRRR XXXX * MESA_FORMAT_Z32_FLOAT_S8X24_UINT * MESA_FORMAT_R10G10B10A2_UINT * MESA_FORMAT_R9G9B9E5_FLOAT * * * * ---------- Component Labels: ---------- * A - Alpha * B - Blue * DU - Delta U * DV - Delta V * E - Shared Exponent * G - Green * I - Intensity * L - Luminance * R - Red * S - Stencil (when not followed by RGB or RGBA) * U - Chrominance * V - Chrominance * Y - Luma * X - Packing bits * Z - Depth * * * * ---------- Type C Compression Types: ---------- * DXT1 - Color component labels shall be given * DXT3 - Color component labels shall be given * DXT5 - Color component labels shall be given * ETC1 - No other information required * ETC2 - No other information required * FXT1 - Color component labels shall be given * FXT3 - Color component labels shall be given * LATC1 - Fundamental data type shall be given * LATC2 - Fundamental data type shall be given * RGTC1 - Color component labels and data type shall be given * RGTC2 - Color component labels and data type shall be given * * * * ---------- Storage Types: ---------- * FLOAT * SINT * UINT * SNORM * UNORM * SRGB - RGB components, or L are UNORMs in sRGB color space. * Alpha, if present is linear. * * * ---------- Type A Format List (based on format_unpack.c): * BGR_UNORM8 * RGB_UNORM8 * A_UNORM8 * A_UNORM16 * L_UNORM8 * L_UNORM16 * I_UNORM8 * I_UNOMR16 * R_UNORM8 * R_UNORM16 * Z_UNORM16 * Z_UNORM32 * Z_FLOAT32 * S_UINT8 * BGR_SRGB8 * L_SRGB8 * RGBA_FLOAT32 * RGBA_FLOAT16 * RGB_FLOAT32 * RGB_FLOAT16 * A_FLOAT32 * A_FLOAT16 * L_FLOAT32 * L_FLOAT16 * LA_FLOAT32 * LA_FLOAT16 * I_FLOAT32 * I_FLOAT16 * R_FLOAT32 * R_FLOAT16 * RG_FLOAT32 * RG_FLOAT16 * A_UINT8 * A_UINT16 * A_UINT32 * A_SINT8 * A_SINT16 * A_SINT32 * I_UINT8 * I_UINT16 * I_UINT32 * I_SINT8 * I_SINT16 * I_SINT32 * L_UINT8 * L_UINT16 * L_UINT32 * L_SINT8 * L_SINT16 * L_SINT32 * LA_UINT8 * LA_UINT16 * LA_UINT32 * LA_SINT8 * LA_SINT16 * LA_SINT32 * R_SINT8 * RG_SINT8 * RGB_SINT8 * RGBA_SINT8 * R_SINT16 * RG_SINT16 * RGB_SINT16 * RGBA_SINT16 * R_SINT32 * RG_SINT32 * RGB_SINT32 * RGBA_SINT32 * R_SINT16 * R_SINT32 * R_UINT8 * RG_UINT8 * RGB_UINT8 * RGBA_UINT8 * R_UINT16 * RG_UINT16 * RGB_UINT16 * RGBA_UINT16 * R_UINT32 * RG_UINT32 * RGB_UINT32 * RGBA_UINT32 * R_UINT16 * R_UINT32 * R_SNORM8 * R_SNORM16 * RGB_SNORM16 * RGBA_SNORM16 * RGBA_UNORM16 * A_SNORM8 * L_SNORM8 * I_SNORM8 * A_SNORM16 * L_SNORM16 * LA_SNORM16 * I_SNORM16 * RGBX_UINT8 * RGBX_SINT8 * RGBX_UNORM16 * RGBX_SNORM16 * RGBX_FLOAT16 * RGBX_UINT16 * RGBX_SINT16 * RGBX_FLOAT32 * RGBX_UINT32 * RGBX_SINT32 * * * * ---------- Type P Format List (based on format_unpack.c): * A8B8G8R8_UNORM * R8G8B8A8_UNORM * B8G8R8A8_UNORM * A8R8G8B8_UNORM * X8B8G8R8_UNORM * R8G8B8X8_UNORM * B8G8R8X8_UNORM * X8R8G8B8_UNORM * B5G6R5_UNORM * R5G6B5_UNORM * B4G4R4A4_UNORM * A4R4G4B4_UNORM * A1B5G5R5_UNORM * B5G5R5A1_UNORM * A1R5G5B5_UNORM * L4A4_UNORM * L8A8_UNORM * A8L8_UNORM * L16A16_UNORM * A16L16_UNORM * B2G3R3_UNORM * YCBCR * YCBCR_REV * R8G8_UNORM * G8R8_UNORM * R16G16_UNORM * G16R16_UNORM * B10G10R10A2_UNORM * B10G10R10A2_UINT * R10G10B10A2_UINT * S8_UINT_Z24_UNORM * Z24_UNORM_S8_UINT * Z24_UNORM_X8_UINT * X8_UINT_Z24_UNORM * Z32_FLOAT_S8X24_UINT * A8R8G8B8_SRGB * B8G8R8A8_SRGB * L8A8_SRGB * R8G8_SNORM * X8B8G8R8_SNORM * A8B8G8R8_SNORM * R8G8B8A8_SNORM * R16G16_SNORM * L8A8_SNORM * R9G9B9E5_FLOAT * R11G11B10_FLOAT * B4G4R4X4_UNORM * B5G5R5X1_UNORM * R8G8_SNORM * R8G8B8X8_SNORM * R8G8B8X8_SRGB * B10G10R10X2_UNORM * R10G10B10A2_UNORM * G8R8_SINT * G16R16_SINT * */ /*@{*/ /* Type P formats */ /* msb <------ TEXEL BITS -----------> lsb */ /* ---- ---- ---- ---- ---- ---- ---- ---- */ MESA_FORMAT_A8B8G8R8_UNORM, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */ MESA_FORMAT_R8G8B8A8_UNORM, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */ MESA_FORMAT_B8G8R8A8_UNORM, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */ MESA_FORMAT_A8R8G8B8_UNORM, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */ MESA_FORMAT_X8B8G8R8_UNORM, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */ MESA_FORMAT_R8G8B8X8_UNORM, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */ MESA_FORMAT_B8G8R8X8_UNORM, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */ MESA_FORMAT_X8R8G8B8_UNORM, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */ /* Type A formats */ MESA_FORMAT_BGR_UNORM8, /* uchar[i * 3] = B, [i * 3 + 1] = G, [i *3 + 2] = R */ MESA_FORMAT_RGB_UNORM8, /* uchar[i * 3] = R, [i * 3 + 1] = G, [i *3 + 2] = B */ /* Type P formats */ MESA_FORMAT_B5G6R5_UNORM, /* RRRR RGGG GGGB BBBB */ MESA_FORMAT_R5G6B5_UNORM, /* BBBB BGGG GGGR RRRR */ MESA_FORMAT_B4G4R4A4_UNORM, /* AAAA RRRR GGGG BBBB */ MESA_FORMAT_A4R4G4B4_UNORM, /* BBBB GGGG RRRR AAAA */ MESA_FORMAT_A1B5G5R5_UNORM, /* RRRR RGGG GGBB BBBA */ MESA_FORMAT_B5G5R5A1_UNORM, /* ARRR RRGG GGGB BBBB */ MESA_FORMAT_A1R5G5B5_UNORM, /* BBBB BGGG GGRR RRRA */ MESA_FORMAT_L4A4_UNORM, /* AAAA LLLL */ MESA_FORMAT_L8A8_UNORM, /* AAAA AAAA LLLL LLLL */ MESA_FORMAT_A8L8_UNORM, /* LLLL LLLL AAAA AAAA */ MESA_FORMAT_L16A16_UNORM, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */ MESA_FORMAT_A16L16_UNORM, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */ MESA_FORMAT_B2G3R3_UNORM, /* RRRG GGBB */ /* Type A formats */ MESA_FORMAT_A_UNORM8, /* uchar[i] = A */ MESA_FORMAT_A_UNORM16, /* ushort[i] = A */ MESA_FORMAT_L_UNORM8, /* uchar[i] = L */ MESA_FORMAT_L_UNORM16, /* ushort[i] = L */ MESA_FORMAT_I_UNORM8, /* uchar[i] = I */ MESA_FORMAT_I_UNORM16, /* ushort[i] = I */ /* Type P formats */ MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */ MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */ /* Type A format(s) */ MESA_FORMAT_R_UNORM8, /* uchar[i] = R */ /* Type P formats */ MESA_FORMAT_R8G8_UNORM, /* GGGG GGGG RRRR RRRR */ MESA_FORMAT_G8R8_UNORM, /* RRRR RRRR GGGG GGGG */ /* Type A format(s) */ MESA_FORMAT_R_UNORM16, /* ushort[i] = R */ /* Type P formats */ MESA_FORMAT_R16G16_UNORM, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */ MESA_FORMAT_G16R16_UNORM, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */ MESA_FORMAT_B10G10R10A2_UNORM,/* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */ MESA_FORMAT_S8_UINT_Z24_UNORM,/* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */ MESA_FORMAT_Z24_UNORM_S8_UINT,/* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */ /* Type A format(s) */ MESA_FORMAT_Z_UNORM16, /* ushort[i] = Z */ /* Type P formats */ MESA_FORMAT_Z24_UNORM_X8_UINT,/* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */ MESA_FORMAT_X8Z24_UNORM, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */ /* Type A formats */ MESA_FORMAT_Z_UNORM32, /* uint[i] = Z */ MESA_FORMAT_S_UINT8, /* uchar[i] = S */ /*@}*/ /** * \name 8-bit/channel sRGB formats */ /*@{*/ /* Type A format(s) */ MESA_FORMAT_BGR_SRGB8, /* uchar[i * 3] = B, [i * 3 + 1] = G, [i *3 + 2] = R */ /* Type P formats */ MESA_FORMAT_A8B8G8R8_SRGB, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */ MESA_FORMAT_B8G8R8A8_SRGB, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */ /* Type A format(s) */ MESA_FORMAT_L_SRGB8, /* uchar[i] = L */ /* Type P formats */ MESA_FORMAT_L8A8_SRGB, /* AAAA AAAA LLLL LLLL */ /* Type C formats */ MESA_FORMAT_SRGB_DXT1, MESA_FORMAT_SRGBA_DXT1, MESA_FORMAT_SRGBA_DXT3, MESA_FORMAT_SRGBA_DXT5, /*@}*/ /** * \name Compressed texture formats. */ /*@{*/ /* Type C formats */ MESA_FORMAT_RGB_FXT1, MESA_FORMAT_RGBA_FXT1, MESA_FORMAT_RGB_DXT1, MESA_FORMAT_RGBA_DXT1, MESA_FORMAT_RGBA_DXT3, MESA_FORMAT_RGBA_DXT5, /*@}*/ /** * \name Floating point texture formats. */ /*@{*/ /* Type A formats */ MESA_FORMAT_RGBA_FLOAT32, /* float[i * 4] = R, [i * 4 + 1] = G, [i * 4 + 2] = B, [i * 4 + 3] = A */ MESA_FORMAT_RGBA_FLOAT16, MESA_FORMAT_RGB_FLOAT32, MESA_FORMAT_RGB_FLOAT16, MESA_FORMAT_A_FLOAT32, MESA_FORMAT_A_FLOAT16, MESA_FORMAT_L_FLOAT32, MESA_FORMAT_L_FLOAT16, MESA_FORMAT_LA_FLOAT32, MESA_FORMAT_LA_FLOAT16, MESA_FORMAT_I_FLOAT32, MESA_FORMAT_I_FLOAT16, MESA_FORMAT_R_FLOAT32, MESA_FORMAT_R_FLOAT16, MESA_FORMAT_RG_FLOAT32, MESA_FORMAT_RG_FLOAT16, /*@}*/ /** * \name Non-normalized signed integer formats. * XXX Note: these are just stand-ins for some better hardware * formats TBD such as BGRA or ARGB. */ /* Type A formats */ MESA_FORMAT_A_UINT8, MESA_FORMAT_A_UINT16, MESA_FORMAT_A_UINT32, MESA_FORMAT_A_SINT8, MESA_FORMAT_A_SINT16, MESA_FORMAT_A_SINT32, MESA_FORMAT_I_UINT8, MESA_FORMAT_I_UINT16, MESA_FORMAT_I_UINT32, MESA_FORMAT_I_SINT8, MESA_FORMAT_I_SINT16, MESA_FORMAT_I_SINT32, MESA_FORMAT_L_UINT8, MESA_FORMAT_L_UINT16, MESA_FORMAT_L_UINT32, MESA_FORMAT_L_SINT8, MESA_FORMAT_L_SINT16, MESA_FORMAT_L_SINT32, MESA_FORMAT_LA_UINT8, MESA_FORMAT_LA_UINT16, MESA_FORMAT_LA_UINT32, MESA_FORMAT_LA_SINT8, MESA_FORMAT_LA_SINT16, MESA_FORMAT_LA_SINT32, MESA_FORMAT_R_SINT8, MESA_FORMAT_RG_SINT8, MESA_FORMAT_RGB_SINT8, MESA_FORMAT_RGBA_SINT8, MESA_FORMAT_R_SINT16, MESA_FORMAT_RG_SINT16, MESA_FORMAT_RGB_SINT16, MESA_FORMAT_RGBA_SINT16, MESA_FORMAT_R_SINT32, MESA_FORMAT_RG_SINT32, MESA_FORMAT_RGB_SINT32, MESA_FORMAT_RGBA_SINT32, /** * \name Non-normalized unsigned integer formats. */ /* Type A format(s) */ MESA_FORMAT_R_UINT8, MESA_FORMAT_RG_UINT8, MESA_FORMAT_RGB_UINT8, MESA_FORMAT_RGBA_UINT8, MESA_FORMAT_R_UINT16, MESA_FORMAT_RG_UINT16, MESA_FORMAT_RGB_UINT16, MESA_FORMAT_RGBA_UINT16, MESA_FORMAT_R_UINT32, MESA_FORMAT_RG_UINT32, MESA_FORMAT_RGB_UINT32, MESA_FORMAT_RGBA_UINT32, /* msb <------ TEXEL BITS -----------> lsb */ /* ---- ---- ---- ---- ---- ---- ---- ---- */ /** * \name Signed fixed point texture formats. */ /*@{*/ MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */ /* Type A format(s) */ MESA_FORMAT_R_SNORM8, /* char[i] = R */ /* Type P formats */ MESA_FORMAT_R8G8_SNORM, /* GGGG GGGG RRRR RRRR */ MESA_FORMAT_X8B8G8R8_SNORM, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */ MESA_FORMAT_A8B8G8R8_SNORM, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */ MESA_FORMAT_R8G8B8A8_SNORM, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */ /* Type A format(s) */ MESA_FORMAT_R_SNORM16, /* short[i] = R */ /* Type P format(s) */ MESA_FORMAT_R16G16_SNORM, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */ /* Type A format(s) */ MESA_FORMAT_RGB_SNORM16, /* short[i * 3] = R, [i * 3 + 1] = G, [i *3 + 2] = B */ MESA_FORMAT_RGBA_SNORM16, /* ... */ MESA_FORMAT_RGBA_UNORM16, /* ... */ /*@}*/ /*@{*/ /* Type C formats */ MESA_FORMAT_R_RGTC1_UNORM, MESA_FORMAT_R_RGTC1_SNORM, MESA_FORMAT_RG_RGTC2_UNORM, MESA_FORMAT_RG_RGTC2_SNORM, /*@}*/ /*@{*/ MESA_FORMAT_L_LATC1_UNORM, MESA_FORMAT_L_LATC1_SNORM, MESA_FORMAT_LA_LATC2_UNORM, MESA_FORMAT_LA_LATC2_SNORM, /*@}*/ MESA_FORMAT_ETC1_RGB8, MESA_FORMAT_ETC2_RGB8, MESA_FORMAT_ETC2_SRGB8, MESA_FORMAT_ETC2_RGBA8_EAC, MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC, MESA_FORMAT_ETC2_R11_EAC, MESA_FORMAT_ETC2_RG11_EAC, MESA_FORMAT_ETC2_SIGNED_R11_EAC, MESA_FORMAT_ETC2_SIGNED_RG11_EAC, MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1, MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1, /* Type A format(s) */ MESA_FORMAT_A_SNORM8, /* char[i] = A */ MESA_FORMAT_L_SNORM8, /* char[i] = L */ /* Type P format(s) */ MESA_FORMAT_L8A8_SNORM, /* AAAA AAAA LLLL LLLL */ /* Type A format(s) */ MESA_FORMAT_I_SNORM8, /* char[i] = I */ MESA_FORMAT_A_SNORM16, /* short[i] = A */ MESA_FORMAT_L_SNORM16, /* short[i] = L */ MESA_FORMAT_LA_SNORM16, /* short[i * 2] = L, [i * 2 + 1] = A */ MESA_FORMAT_I_SNORM16, /* short[i] = I */ /* Type P format(s) */ MESA_FORMAT_R9G9B9E5_FLOAT, MESA_FORMAT_R11G11B10_FLOAT, /* BBBB BBBB BBGG GGGG GGGG GRRR RRRR RRRR */ /* Type A format(s) */ MESA_FORMAT_Z_FLOAT32, /* Type P formats */ MESA_FORMAT_Z32_FLOAT_S8X24_UINT, /* (float, x24s8) */ MESA_FORMAT_B10G10R10A2_UINT, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */ MESA_FORMAT_R10G10B10A2_UINT, /* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */ MESA_FORMAT_B4G4R4X4_UNORM, /* xxxx RRRR GGGG BBBB */ MESA_FORMAT_B5G5R5X1_UNORM, /* xRRR RRGG GGGB BBBB */ MESA_FORMAT_R8G8B8X8_SNORM, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */ MESA_FORMAT_R8G8B8X8_SRGB, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */ /* Type A formats */ MESA_FORMAT_RGBX_UINT8, /* uchar[i * 4] = R, [i * 4 + 1] = G, [i * 4 + 2] = B, [i * 4 + 3] = x */ MESA_FORMAT_RGBX_SINT8, /* char[i * 4] = R, [i * 4 + 1] = G, [i * 4 + 2] = B, [i * 4 + 3] = x */ /* Type P format(s) */ MESA_FORMAT_B10G10R10X2_UNORM,/* xxRR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */ /* Type A formats */ MESA_FORMAT_RGBX_UNORM16, /* ushort[i * 4] = R, [i * 4 + 1] = G, [i * 4 + 2] = B, [i * 4 + 3] = x */ MESA_FORMAT_RGBX_SNORM16, /* ... */ MESA_FORMAT_RGBX_FLOAT16, /* ... */ MESA_FORMAT_RGBX_UINT16, /* ... */ MESA_FORMAT_RGBX_SINT16, /* ... */ MESA_FORMAT_RGBX_FLOAT32, /* float[i * 4] = R, [i * 4 + 1] = G, [i * 4 + 2] = B, [i * 4 + 3] = x */ MESA_FORMAT_RGBX_UINT32, /* ... */ MESA_FORMAT_RGBX_SINT32, /* ... */ /* Type P formats */ MESA_FORMAT_R10G10B10A2_UNORM, /* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */ MESA_FORMAT_G8R8_SNORM, /* RRRR RRRR GGGG GGGG */ MESA_FORMAT_G16R16_SNORM, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */ MESA_FORMAT_COUNT } mesa_format; extern const char * _mesa_get_format_name(mesa_format format); extern GLint _mesa_get_format_bytes(mesa_format format); extern GLint _mesa_get_format_bits(mesa_format format, GLenum pname); extern GLuint _mesa_get_format_max_bits(mesa_format format); extern GLenum _mesa_get_format_datatype(mesa_format format); extern GLenum _mesa_get_format_base_format(mesa_format format); extern void _mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh); extern GLboolean _mesa_is_format_compressed(mesa_format format); extern GLboolean _mesa_is_format_packed_depth_stencil(mesa_format format); extern GLboolean _mesa_is_format_integer_color(mesa_format format); extern GLboolean _mesa_is_format_unsigned(mesa_format format); extern GLboolean _mesa_is_format_signed(mesa_format format); extern GLenum _mesa_get_format_color_encoding(mesa_format format); extern GLuint _mesa_format_image_size(mesa_format format, GLsizei width, GLsizei height, GLsizei depth); extern uint64_t _mesa_format_image_size64(mesa_format format, GLsizei width, GLsizei height, GLsizei depth); extern GLint _mesa_format_row_stride(mesa_format format, GLsizei width); extern void _mesa_format_to_type_and_comps(mesa_format format, GLenum *datatype, GLuint *comps); extern void _mesa_test_formats(void); extern mesa_format _mesa_get_srgb_format_linear(mesa_format format); extern mesa_format _mesa_get_uncompressed_format(mesa_format format); extern GLuint _mesa_format_num_components(mesa_format format); GLboolean _mesa_format_matches_format_and_type(mesa_format mesa_format, GLenum format, GLenum type, GLboolean swapBytes); #ifdef __cplusplus } #endif #endif /* FORMATS_H */