/********************************************************************************************** * * rl_gputex v1.1 - GPU compressed textures loading and saving * * DESCRIPTION: * * Load GPU compressed image data from image files provided as memory data arrays, * data is loaded compressed, ready to be loaded into GPU * * Note that some file formats (DDS, PVR, KTX) also support uncompressed data storage. * In those cases data is loaded uncompressed and format is returned * * FIXME: This library still depends on Raylib due to the following reasons: * - rl_save_ktx_to_memory() requires rlGetGlTextureFormats() from rlgl.h * though this is not a problem, if you don't need KTX support * * TODO: * - Review rl_load_ktx_from_memory() to support KTX v2.2 specs * * CONFIGURATION: * * #define RL_GPUTEX_SUPPORT_DDS * #define RL_GPUTEX_SUPPORT_PKM * #define RL_GPUTEX_SUPPORT_KTX * #define RL_GPUTEX_SUPPORT_PVR * #define RL_GPUTEX_SUPPORT_ASTC * Define desired file formats to be supported * * #define RL_GPUTEX_SHOW_LOG_INFO * Define, if you wish to see warnings generated by the library * This will include unless you provide your own RL_GPUTEX_LOG * #define RL_GPUTEX_LOG * Define, if you wish to provide your own warning function * Make sure that this macro puts newline character '\n' at the end * * #define RL_GPUTEX_MALLOC * #define RL_GPUTEX_FREE * Define those macros in order to provide your own libc-compliant allocator; * not doing so will include * If you're providing any of those, you must provide ALL of them, * otherwise the code will (most likely) crash... * * #define RL_GPUTEX_NULL * Define in order to provide your own libc-compliant NULL pointer; * not doing so will include * * #define RL_GPUTEX_MEMCPY * Define in order to provide your own libc-compliant 'memcpy' function; * not doing so will include * * #define RLGPUTEXAPI * Define to compiler-specific intrinsic, if you wish to export public functions * There is no need to do so when statically linking * * VERSIONS HISTORY: * 1.1 (15-Jul-2025) Several minor fixes related to specific image formats; some work has been done * in order to decouple the library from Raylib by introducing few new macros; library still * requires Raylib in order to function properly * * 1.0 (17-Sep-2022) First version has been created by migrating part of compressed-texture-loading * functionality from Raylib src/rtextures.c into self-contained library * * LICENSE: zlib/libpng * * Copyright (c) 2013-2025 Ramon Santamaria (@raysan5) * * This software is provided "as-is", without any express or implied warranty. In no event * will the authors be held liable for any damages arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, including commercial * applications, and to alter it and redistribute it freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not claim that you * wrote the original software. If you use this software in a product, an acknowledgment * in the product documentation would be appreciated but is not required. * * 2. Altered source versions must be plainly marked as such, and must not be misrepresented * as being the original software. * * 3. This notice may not be removed or altered from any source distribution. * **********************************************************************************************/ #ifndef RL_GPUTEX_H #define RL_GPUTEX_H #ifndef RLGPUTEXAPI #define RLGPUTEXAPI // Functions defined as 'extern' by default (implicit specifiers) #endif // Texture pixel formats // NOTE: Support depends on OpenGL version // WARNING: Enum values aligned with raylib/rlgl equivalent PixelFormat/rlPixelFormat enum, // to avoid value mapping between the 3 libraries format values typedef enum { RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA, // 8*2 bpp (2 channels) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5, // 16 bpp RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8, // 24 bpp RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1, // 16 bpp (1 bit alpha) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4, // 16 bpp (4 bit alpha) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8, // 32 bpp RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32, // 32 bpp (1 channel - float) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32, // 32*3 bpp (3 channels - float) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32A32, // 32*4 bpp (4 channels - float) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16, // 16 bpp (1 channel - half float) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16, // 16*3 bpp (3 channels - half float) RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16, // 16*4 bpp (4 channels - half float) RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGB, // 4 bpp (no alpha) RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGBA, // 4 bpp (1 bit alpha) RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA, // 8 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT5_RGBA, // 8 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC1_RGB, // 4 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_RGB, // 4 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_EAC_RGBA, // 8 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGB, // 4 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGBA, // 4 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_4x4_RGBA, // 8 bpp RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA // 2 bpp } rlGpuTexPixelFormat; //---------------------------------------------------------------------------------- // Module Functions Declaration //---------------------------------------------------------------------------------- #if defined(__cplusplus) extern "C" { // Prevents name mangling of functions #endif // Load image data from memory data files RLGPUTEXAPI void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips); RLGPUTEXAPI void *rl_load_pkm_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips); RLGPUTEXAPI void *rl_load_ktx_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips); RLGPUTEXAPI void *rl_load_pvr_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips); RLGPUTEXAPI void *rl_load_astc_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips); RLGPUTEXAPI int rl_save_ktx_to_memory(const char *fileName, void *data, int width, int height, int format, int mipmaps); // Save image data as KTX file #if defined(__cplusplus) } #endif #endif // RL_GPUTEX_H /*********************************************************************************** * * RL_GPUTEX IMPLEMENTATION * ************************************************************************************/ #if defined(RL_GPUTEX_IMPLEMENTATION) #if defined(RL_GPUTEX_SHOW_LOG_INFO) && !defined(RL_GPUTEX_LOG) #include // Required for: printf() #endif #if !defined(RL_GPUTEX_MALLOC) || !defined(RL_GPUTEX_NULL) #include // Required for: NULL, malloc(), calloc(), free() #endif #if !defined(RL_GPUTEX_MEMCPY) #include // Required for: memcpy() #endif #if defined(RL_GPUTEX_MALLOC) || defined(RL_GPUTEX_FREE) #if !defined(RL_GPUTEX_MALLOC) || !defined(RL_GPUTEX_FREE) #warning "RL_GPUTEX_MALLOC and RL_GPUTEX_FREE allocation functions are required to be provided" #endif #endif #if !defined(RL_GPUTEX_MALLOC) #define RL_GPUTEX_MALLOC(sz) malloc(sz) #define RL_GPUTEX_FREE(ptr) free(ptr) #endif #if !defined(RL_GPUTEX_NULL) #define RL_GPUTEX_NULL NULL #endif #if !defined(RL_GPUTEX_MEMCPY) #define RL_GPUTEX_MEMCPY(dest, src, num) memcpy(dest, src, num) #endif // Simple warning logging system to avoid LOG() calls if required // NOTE: Avoiding those calls, also avoids const strings memory usage // WARN: This macro expects that newline character is added automatically // in order to match the functionality of Raylib's TRACELOG() #if defined(RL_GPUTEX_SHOW_LOG_INFO) #if !defined(RL_GPUTEX_LOG) #define RL_GPUTEX_LOG(...) (void)(printf("RL_GPUTEX: WARNING: " __VA_ARGS__), printf("\n")) #endif #else #if defined(RL_GPUTEX_LOG) // Undefine it first in order to supress warnings about macro redefinition #undef RL_GPUTEX_LOG #endif #define RL_GPUTEX_LOG(...) #endif //---------------------------------------------------------------------------------- // Module Internal Functions Declaration //---------------------------------------------------------------------------------- // Get pixel data size in bytes for certain pixel format static int get_pixel_data_size(int width, int height, int format); // Get OpenGL internal formats and data type from rlGpuTexPixelFormat void get_gl_texture_formats(int format, unsigned int *gl_internal_format, unsigned int *gl_format, unsigned int *gl_type); //---------------------------------------------------------------------------------- // Module Functions Definition //---------------------------------------------------------------------------------- #if defined(RL_GPUTEX_SUPPORT_DDS) // Loading DDS from memory image data (compressed or uncompressed) void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips) { void *image_data = RL_GPUTEX_NULL; // Image data pointer int image_pixel_size = 0; // Image pixel size unsigned char *file_data_ptr = (unsigned char *)file_data; // Required extension: // GL_EXT_texture_compression_s3tc // Supported tokens (defined by extensions) // GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0 // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1 // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2 // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3 #define FOURCC_DXT1 0x31545844 // Equivalent to "DXT1" in ASCII #define FOURCC_DXT3 0x33545844 // Equivalent to "DXT3" in ASCII #define FOURCC_DXT5 0x35545844 // Equivalent to "DXT5" in ASCII // DDS Pixel Format typedef struct { unsigned int size; unsigned int flags; unsigned int fourcc; unsigned int rgb_bit_count; unsigned int r_bit_mask; unsigned int g_bit_mask; unsigned int b_bit_mask; unsigned int a_bit_mask; } dds_pixel_format; // DDS Header (124 bytes) typedef struct { unsigned int size; unsigned int flags; unsigned int height; unsigned int width; unsigned int pitch_or_linear_size; unsigned int depth; unsigned int mipmap_count; unsigned int reserved1[11]; dds_pixel_format ddspf; unsigned int caps; unsigned int caps2; unsigned int caps3; unsigned int caps4; unsigned int reserved2; } dds_header; if (file_data_ptr != RL_GPUTEX_NULL) { // Verify the type of file unsigned char *dds_header_id = file_data_ptr; file_data_ptr += 4; if ((dds_header_id[0] != 'D') || (dds_header_id[1] != 'D') || (dds_header_id[2] != 'S') || (dds_header_id[3] != ' ')) { RL_GPUTEX_LOG("DDS file data not valid"); } else { dds_header *header = (dds_header *)file_data_ptr; file_data_ptr += sizeof(dds_header); // Skip header *width = header->width; *height = header->height; if (*width % 4 != 0) RL_GPUTEX_LOG("DDS file width must be multiple of 4. Image will not display correctly"); if (*height % 4 != 0) RL_GPUTEX_LOG("DDS file height must be multiple of 4. Image will not display correctly"); image_pixel_size = header->width*header->height; if (header->mipmap_count == 0) *mips = 1; // Parameter not used else *mips = header->mipmap_count; if (header->ddspf.rgb_bit_count == 16) // 16bit mode, no compressed { if (header->ddspf.flags == 0x40) // No alpha channel { int data_size = image_pixel_size*sizeof(unsigned short); if (header->mipmap_count > 1) data_size = data_size + data_size/3; image_data = RL_GPUTEX_MALLOC(data_size); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5; } else if (header->ddspf.flags == 0x41) // With alpha channel { if (header->ddspf.a_bit_mask == 0x8000) // 1bit alpha { int data_size = image_pixel_size*sizeof(unsigned short); if (header->mipmap_count > 1) data_size = data_size + data_size/3; image_data = RL_GPUTEX_MALLOC(data_size); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); unsigned char alpha = 0; // NOTE: Data comes as A1R5G5B5, it must be reordered to R5G5B5A1 for (int i = 0; i < image_pixel_size; i++) { alpha = ((unsigned short *)image_data)[i] >> 15; ((unsigned short *)image_data)[i] = ((unsigned short *)image_data)[i] << 1; ((unsigned short *)image_data)[i] += alpha; } *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1; } else if (header->ddspf.a_bit_mask == 0xf000) // 4bit alpha { int data_size = image_pixel_size*sizeof(unsigned short); if (header->mipmap_count > 1) data_size = data_size + data_size/3; image_data = RL_GPUTEX_MALLOC(data_size); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); unsigned char alpha = 0; // NOTE: Data comes as A4R4G4B4, it must be reordered R4G4B4A4 for (int i = 0; i < image_pixel_size; i++) { alpha = ((unsigned short *)image_data)[i] >> 12; ((unsigned short *)image_data)[i] = ((unsigned short *)image_data)[i] << 4; ((unsigned short *)image_data)[i] += alpha; } *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4; } } } else if ((header->ddspf.flags == 0x40) && (header->ddspf.rgb_bit_count == 24)) // DDS_RGB, no compressed { int data_size = image_pixel_size*3*sizeof(unsigned char); if (header->mipmap_count > 1) data_size = data_size + data_size/3; image_data = RL_GPUTEX_MALLOC(data_size); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8; } else if ((header->ddspf.flags == 0x41) && (header->ddspf.rgb_bit_count == 32)) // DDS_RGBA, no compressed { int data_size = image_pixel_size*4*sizeof(unsigned char); if (header->mipmap_count > 1) data_size = data_size + data_size/3; image_data = RL_GPUTEX_MALLOC(data_size); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); unsigned char blue = 0; // NOTE: Data comes as A8R8G8B8, it must be reordered R8G8B8A8 (view next comment) // DirecX understand ARGB as a 32bit DWORD but the actual memory byte alignment is BGRA // So, we must realign B8G8R8A8 to R8G8B8A8 for (int i = 0; i < image_pixel_size*4; i += 4) { blue = ((unsigned char *)image_data)[i]; ((unsigned char *)image_data)[i] = ((unsigned char *)image_data)[i + 2]; ((unsigned char *)image_data)[i + 2] = blue; } *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8; } else if (((header->ddspf.flags == 0x04) || (header->ddspf.flags == 0x05)) && (header->ddspf.fourcc > 0)) // Compressed { int data_size = 0; // Calculate data size, including all mipmaps if (header->mipmap_count > 1) data_size = header->pitch_or_linear_size + header->pitch_or_linear_size/3; else data_size = header->pitch_or_linear_size; image_data = RL_GPUTEX_MALLOC(data_size*sizeof(unsigned char)); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); switch (header->ddspf.fourcc) { case FOURCC_DXT1: { if (header->ddspf.flags == 0x04) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGB; else *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGBA; } break; case FOURCC_DXT3: *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA; break; case FOURCC_DXT5: *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT5_RGBA; break; default: break; } } } } return image_data; } #endif #if defined(RL_GPUTEX_SUPPORT_PKM) // Loading PKM image data (ETC1/ETC2 compression) // NOTE: KTX is the standard Khronos Group compression format (ETC1/ETC2, mipmaps) // PKM is a much simpler file format used mainly to contain a single ETC1/ETC2 compressed image (no mipmaps) void *rl_load_pkm_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips) { void *image_data = RL_GPUTEX_NULL; // Image data pointer unsigned char *file_data_ptr = (unsigned char *)file_data; // Required extensions: // GL_OES_compressed_ETC1_RGB8_texture (ETC1) (OpenGL ES 2.0) // GL_ARB_ES3_compatibility (ETC2/EAC) (OpenGL ES 3.0) // Supported tokens (defined by extensions) // GL_ETC1_RGB8_OES 0x8D64 // GL_COMPRESSED_RGB8_ETC2 0x9274 // GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 // PKM file (ETC1) Header (16 bytes) typedef struct { char id[4]; // "PKM " char version[2]; // "10" or "20" unsigned short format; // Data format (big-endian) (Check list below) unsigned short width; // Texture width (big-endian) (orig_width rounded to multiple of 4) unsigned short height; // Texture height (big-endian) (orig_height rounded to multiple of 4) unsigned short orig_width; // Original width (big-endian) unsigned short orig_height; // Original height (big-endian) } pkm_header; // Formats list // version 10: format: 0=ETC1_RGB, [1=ETC1_RGBA, 2=ETC1_RGB_MIP, 3=ETC1_RGBA_MIP] (not used) // version 20: format: 0=ETC1_RGB, 1=ETC2_RGB, 2=ETC2_RGBA_OLD, 3=ETC2_RGBA, 4=ETC2_RGBA1, 5=ETC2_R, 6=ETC2_RG, 7=ETC2_SIGNED_R, 8=ETC2_SIGNED_R // NOTE: The extended width and height are the widths rounded up to a multiple of 4 // NOTE: ETC is always 4bit per pixel (64 bit for each 4x4 block of pixels) if (file_data_ptr != RL_GPUTEX_NULL) { pkm_header *header = (pkm_header *)file_data_ptr; if ((header->id[0] != 'P') || (header->id[1] != 'K') || (header->id[2] != 'M') || (header->id[3] != ' ')) { RL_GPUTEX_LOG("PKM file data not valid"); } else { file_data_ptr += sizeof(pkm_header); // Skip header // NOTE: format, width and height come as big-endian, data must be swapped to little-endian header->format = ((header->format & 0x00FF) << 8) | ((header->format & 0xFF00) >> 8); header->width = ((header->width & 0x00FF) << 8) | ((header->width & 0xFF00) >> 8); header->height = ((header->height & 0x00FF) << 8) | ((header->height & 0xFF00) >> 8); *width = header->width; *height = header->height; *mips = 1; int bpp = 4; if (header->format == 3) bpp = 8; int data_size = (*width)*(*height)*bpp/8; // Total data size in bytes image_data = RL_GPUTEX_MALLOC(data_size*sizeof(unsigned char)); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); if (header->format == 0) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC1_RGB; else if (header->format == 1) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_RGB; else if (header->format == 3) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_EAC_RGBA; } } return image_data; } #endif #if defined(RL_GPUTEX_SUPPORT_KTX) // Load KTX compressed image data (ETC1/ETC2 compression) // TODO: Review KTX loading, many things changed! void *rl_load_ktx_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips) { void *image_data = RL_GPUTEX_NULL; // Image data pointer unsigned char *file_data_ptr = (unsigned char *)file_data; // Required extensions: // GL_OES_compressed_ETC1_RGB8_texture (ETC1) // GL_ARB_ES3_compatibility (ETC2/EAC) // Supported tokens (defined by extensions) // GL_ETC1_RGB8_OES 0x8D64 // GL_COMPRESSED_RGB8_ETC2 0x9274 // GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 // KTX file Header (64 bytes) // v1.1 - https://www.khronos.org/opengles/sdk/tools/KTX/file_format_spec/ // v2.0 - http://github.khronos.org/KTX-Specification/ // KTX 1.1 Header // TODO: Support KTX 2.2 specs! typedef struct { char id[12]; // Identifier: "«KTX 11»\r\n\x1A\n" unsigned int endianness; // Little endian: 0x01 0x02 0x03 0x04 unsigned int gl_type; // For compressed textures, glType must equal 0 unsigned int gl_type_size; // For compressed texture data, usually 1 unsigned int gl_format; // For compressed textures is 0 unsigned int gl_internal_format; // Compressed internal format unsigned int gl_base_internal_format; // Same as glFormat (RGB, RGBA, ALPHA...) unsigned int width; // Texture image width in pixels unsigned int height; // Texture image height in pixels unsigned int depth; // For 2D textures is 0 unsigned int elements; // Number of array elements, usually 0 unsigned int faces; // Cubemap faces, for no-cubemap = 1 unsigned int mipmap_levels; // Non-mipmapped textures = 1 unsigned int key_value_data_size; // Used to encode any arbitrary data... } ktx_header; // NOTE: Before start of every mipmap data block, we have: unsigned int data_size if (file_data_ptr != RL_GPUTEX_NULL) { ktx_header *header = (ktx_header *)file_data_ptr; if ((header->id[1] != 'K') || (header->id[2] != 'T') || (header->id[3] != 'X') || (header->id[4] != ' ') || (header->id[5] != '1') || (header->id[6] != '1')) { RL_GPUTEX_LOG("KTX file data not valid"); } else { file_data_ptr += sizeof(ktx_header); // Move file data pointer *width = header->width; *height = header->height; *mips = header->mipmap_levels; file_data_ptr += header->key_value_data_size; // Skip value data size int data_size = ((int *)file_data_ptr)[0]; file_data_ptr += sizeof(int); image_data = RL_GPUTEX_MALLOC(data_size*sizeof(unsigned char)); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); if (header->gl_internal_format == 0x8D64) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC1_RGB; else if (header->gl_internal_format == 0x9274) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_RGB; else if (header->gl_internal_format == 0x9278) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_EAC_RGBA; // TODO: Support uncompressed data formats? Right now it returns format = 0! } } return image_data; } // Save image data as KTX file // NOTE: By default KTX 1.1 spec is used, 2.0 is still on draft (01Oct2018) // TODO: Review KTX saving, many things changed! int rl_save_ktx(const char *file_name, void *data, int width, int height, int format, int mipmaps) { // KTX file Header (64 bytes) // v1.1 - https://www.khronos.org/opengles/sdk/tools/KTX/file_format_spec/ // v2.0 - https://github.khronos.org/KTX-Specification/ktxspec.v2.html typedef struct { char id[12]; // Identifier: "«KTX 11»\r\n\x1A\n" // KTX 2.0: "«KTX 20»\r\n\x1A\n" unsigned int endianness; // Little endian: 0x01 0x02 0x03 0x04 unsigned int gl_type; // For compressed textures, glType must equal 0 unsigned int gl_type_size; // For compressed texture data, usually 1 unsigned int gl_format; // For compressed textures is 0 unsigned int gl_internal_format; // Compressed internal format unsigned int gl_base_internal_format; // Same as glFormat (RGB, RGBA, ALPHA...) // KTX 2.0: UInt32 vkFormat unsigned int width; // Texture image width in pixels unsigned int height; // Texture image height in pixels unsigned int depth; // For 2D textures is 0 unsigned int elements; // Number of array elements, usually 0 unsigned int faces; // Cubemap faces, for no-cubemap = 1 unsigned int mipmap_levels; // Non-mipmapped textures = 1 unsigned int key_value_data_size; // Used to encode any arbitrary data... // KTX 2.0: UInt32 levelOrder - ordering of the mipmap levels, usually 0 // KTX 2.0: UInt32 supercompressionScheme - 0 (None), 1 (Crunch CRN), 2 (Zlib DEFLATE)... // KTX 2.0 defines additional header elements... } ktx_header; /* Byte[12] identifier UInt32 vkFormat UInt32 typeSize UInt32 pixelWidth UInt32 pixelHeight UInt32 pixelDepth UInt32 layerCount UInt32 faceCount UInt32 levelCount UInt32 supercompressionScheme */ // Calculate file data_size required int data_size = sizeof(ktx_header); for (int i = 0, w = width, h = height; i < mipmaps; i++) { data_size += get_pixel_data_size(w, h, format); w /= 2; h /= 2; } unsigned char *file_data = RL_GPUTEX_MALLOC(data_size); unsigned char *file_data_ptr = file_data; ktx_header header = { 0 }; // KTX identifier (v1.1) //unsigned char id[12] = { '«', 'K', 'T', 'X', ' ', '1', '1', '»', '\r', '\n', '\x1A', '\n' }; //unsigned char id[12] = { 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A }; const char ktx_identifier[12] = { 0xAB, 'K', 'T', 'X', ' ', '1', '1', 0xBB, '\r', '\n', 0x1A, '\n' }; // Get the image header RL_GPUTEX_MEMCPY(header.id, ktx_identifier, 12); // KTX 1.1 signature header.endianness = 0; header.gl_type = 0; // Obtained from format header.gl_type_size = 1; header.gl_format = 0; // Obtained from format header.gl_internal_format = 0; // Obtained from format header.gl_base_internal_format = 0; header.width = width; header.height = height; header.depth = 0; header.elements = 0; header.faces = 1; header.mipmap_levels = mipmaps; // If it was 0, it means mipmaps should be generated on loading (not for compressed formats) header.key_value_data_size = 0; // No extra data after the header // TODO: WARNING: Function dependant on rlgl library! rlGetGlTextureFormats(format, &header.gl_internal_format, &header.gl_format, &header.gl_type); // rlgl module function header.gl_base_internal_format = header.gl_format; // TODO: WARNING: KTX 1.1 only // NOTE: We can save into a .ktx all PixelFormats supported by raylib, including compressed formats like DXT, ETC or ASTC if (header.gl_format == -1) RL_GPUTEX_LOG("RL_GPUTEX: GL format not supported for KTX export (%i)", header.gl_format); else { RL_GPUTEX_MEMCPY(file_data_ptr, &header, sizeof(ktx_header)); file_data_ptr += sizeof(ktx_header); int temp_width = width; int temp_height = height; int data_offset = 0; // Save all mipmaps data for (int i = 0; i < mipmaps; i++) { unsigned int data_size = get_pixel_data_size(temp_width, temp_height, format); RL_GPUTEX_MEMCPY(file_data_ptr, &data_size, sizeof(unsigned int)); RL_GPUTEX_MEMCPY(file_data_ptr + 4, (unsigned char *)data + data_offset, data_size); temp_width /= 2; temp_height /= 2; data_offset += data_size; file_data_ptr += (4 + data_size); } } // Save file data to file int success = false; FILE *file = fopen(file_name, "wb"); if (file != RL_GPUTEX_NULL) { unsigned int count = (unsigned int)fwrite(file_data, sizeof(unsigned char), data_size, file); if (count == 0) RL_GPUTEX_LOG("FILEIO: [%s] Failed to write file", file_name); else if (count != data_size) RL_GPUTEX_LOG("FILEIO: [%s] File partially written", file_name); else (void)0; // WARN: this branch is handled by Raylib, since rl_gputex only prints warnings int result = fclose(file); if (result != 0) RL_GPUTEX_LOG("FILEIO: [%s] Failed to close file", file_name); if (result == 0 && count == data_size) success = true; } else RL_GPUTEX_LOG("FILEIO: [%s] Failed to open file", file_name); RL_GPUTEX_FREE(file_data); // Free file data buffer // If all data has been written correctly to file, success = 1 return success; } #endif #if defined(RL_GPUTEX_SUPPORT_PVR) // Loading PVR image data (uncompressed or PVRT compression) // NOTE: PVR v2 not supported, use PVR v3 instead void *rl_load_pvr_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips) { void *image_data = RL_GPUTEX_NULL; // Image data pointer unsigned char *file_data_ptr = (unsigned char *)file_data; // Required extension: // GL_IMG_texture_compression_pvrtc // Supported tokens (defined by extensions) // GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 // GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 #if 0 // Not used... // PVR file v2 Header (52 bytes) typedef struct { unsigned int headerLength; unsigned int height; unsigned int width; unsigned int numMipmaps; unsigned int flags; unsigned int dataLength; unsigned int bpp; unsigned int bitmaskRed; unsigned int bitmaskGreen; unsigned int bitmaskBlue; unsigned int bitmaskAlpha; unsigned int pvrTag; unsigned int numSurfs; } PVRHeaderV2; #endif // PVR file v3 Header (52 bytes) // NOTE: After it could be metadata (15 bytes?) typedef struct { char id[4]; unsigned int flags; unsigned char channels[4]; // pixelFormat high part unsigned char channel_depth[4]; // pixelFormat low part unsigned int color_space; unsigned int channel_type; unsigned int height; unsigned int width; unsigned int depth; unsigned int num_surfaces; unsigned int num_faces; unsigned int num_mipmaps; unsigned int metadata_size; } pvr_header; #if 0 // Not used... // Metadata (usually 15 bytes) typedef struct { unsigned int devFOURCC; unsigned int key; unsigned int data_size; // Not used? unsigned char *data; // Not used? } PVRMetadata; #endif if (file_data_ptr != RL_GPUTEX_NULL) { // Check PVR image version unsigned char pvr_version = file_data_ptr[0]; // Load different PVR data formats if (pvr_version == 0x50) { pvr_header *header = (pvr_header *)file_data_ptr; if ((header->id[0] != 'P') || (header->id[1] != 'V') || (header->id[2] != 'R') || (header->id[3] != 3)) { RL_GPUTEX_LOG("PVR file data not valid"); } else { file_data_ptr += sizeof(pvr_header); // Skip header *width = header->width; *height = header->height; *mips = header->num_mipmaps; // Check data format if (((header->channels[0] == 'l') && (header->channels[1] == 0)) && (header->channel_depth[0] == 8)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE; else if (((header->channels[0] == 'l') && (header->channels[1] == 'a')) && ((header->channel_depth[0] == 8) && (header->channel_depth[1] == 8))) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA; else if ((header->channels[0] == 'r') && (header->channels[1] == 'g') && (header->channels[2] == 'b')) { if (header->channels[3] == 'a') { if ((header->channel_depth[0] == 5) && (header->channel_depth[1] == 5) && (header->channel_depth[2] == 5) && (header->channel_depth[3] == 1)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1; else if ((header->channel_depth[0] == 4) && (header->channel_depth[1] == 4) && (header->channel_depth[2] == 4) && (header->channel_depth[3] == 4)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4; else if ((header->channel_depth[0] == 8) && (header->channel_depth[1] == 8) && (header->channel_depth[2] == 8) && (header->channel_depth[3] == 8)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8; } else if (header->channels[3] == 0) { if ((header->channel_depth[0] == 5) && (header->channel_depth[1] == 6) && (header->channel_depth[2] == 5)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5; else if ((header->channel_depth[0] == 8) && (header->channel_depth[1] == 8) && (header->channel_depth[2] == 8)) *format = RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8; } } else if (header->channels[0] == 2) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGB; else if (header->channels[0] == 3) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGBA; file_data_ptr += header->metadata_size; // Skip meta data header // Calculate data size (depends on format) int bpp = 0; switch (*format) { case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE: bpp = 8; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4: bpp = 16; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8: bpp = 32; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8: bpp = 24; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGB: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGBA: bpp = 4; break; default: break; } int data_size = (*width)*(*height)*bpp/8; // Total data size in bytes image_data = RL_GPUTEX_MALLOC(data_size*sizeof(unsigned char)); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); } } else if (pvr_version == 52) RL_GPUTEX_LOG("PVRv2 format not supported, update your files to PVRv3"); } return image_data; } #endif #if defined(RL_GPUTEX_SUPPORT_ASTC) // Load ASTC compressed image data (ASTC compression) void *rl_load_astc_from_memory(const unsigned char *file_data, unsigned int file_size, int *width, int *height, int *format, int *mips) { void *image_data = RL_GPUTEX_NULL; // Image data pointer unsigned char *file_data_ptr = (unsigned char *)file_data; // Required extensions: // GL_KHR_texture_compression_astc_hdr // GL_KHR_texture_compression_astc_ldr // Supported tokens (defined by extensions) // GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93b0 // GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93b7 // ASTC file Header (16 bytes) typedef struct { unsigned char id[4]; // Signature: 0x13 0xAB 0xA1 0x5C unsigned char blockX; // Block X dimensions unsigned char blockY; // Block Y dimensions unsigned char blockZ; // Block Z dimensions (1 for 2D images) unsigned char width[3]; // void *width in pixels (24bit value) unsigned char height[3]; // void *height in pixels (24bit value) unsigned char length[3]; // void *Z-size (1 for 2D images) } astc_header; if (file_data_ptr != RL_GPUTEX_NULL) { astc_header *header = (astc_header *)file_data_ptr; if ((header->id[3] != 0x5c) || (header->id[2] != 0xa1) || (header->id[1] != 0xab) || (header->id[0] != 0x13)) { RL_GPUTEX_LOG("ASTC file data not valid"); } else { file_data_ptr += sizeof(astc_header); // Skip header // NOTE: Assuming Little Endian (could it be wrong?) *width = 0x00000000 | ((int)header->width[2] << 16) | ((int)header->width[1] << 8) | ((int)header->width[0]); *height = 0x00000000 | ((int)header->height[2] << 16) | ((int)header->height[1] << 8) | ((int)header->height[0]); *mips = 1; // NOTE: ASTC format only contains one mipmap level // NOTE: Each block is always stored in 128bit so we can calculate the bpp int bpp = 128/(header->blockX*header->blockY); // NOTE: Currently we only support 2 blocks configurations: 4x4 and 8x8 if ((bpp == 8) || (bpp == 2)) { int data_size = (*width)*(*height)*bpp/8; // Data size in bytes image_data = RL_GPUTEX_MALLOC(data_size*sizeof(unsigned char)); RL_GPUTEX_MEMCPY(image_data, file_data_ptr, data_size); if (bpp == 8) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_4x4_RGBA; else if (bpp == 2) *format = RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA; } else RL_GPUTEX_LOG("ASTC block size configuration not supported"); } } return image_data; } #endif //---------------------------------------------------------------------------------- // Module Internal Functions Definition //---------------------------------------------------------------------------------- // Get pixel data size in bytes for certain pixel format static int get_pixel_data_size(int width, int height, int format) { int data_size = 0; // Size in bytes int bpp = 0; // Bits per pixel switch (format) { case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE: bpp = 8; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1: case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4: bpp = 16; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8: bpp = 32; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8: bpp = 24; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32: bpp = 32; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32: bpp = 32*3; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32A32: bpp = 32*4; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGB: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGBA: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC1_RGB: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_RGB: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGB: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGBA: bpp = 4; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT5_RGBA: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_EAC_RGBA: case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_4x4_RGBA: bpp = 8; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA: bpp = 2; break; default: break; } data_size = width*height*bpp/8; // Total data size in bytes // Most compressed formats works on 4x4 blocks, // if texture is smaller, minimum dataSize is 8 or 16 if ((width < 4) && (height < 4)) { if ((format >= RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGB) && (format < RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA)) data_size = 8; else if ((format >= RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA) && (format < RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA)) data_size = 16; } return data_size; } // Get OpenGL internal formats and data type from rlGpuTexPixelFormat void get_gl_texture_formats(int format, unsigned int *gl_internal_format, unsigned int *gl_format, unsigned int *gl_type) { // KTX 1.1 uses OpenGL formats on header info but KTX 2.0 uses Vulkan texture formats, // if this library is being improved to support KTX 2.0, it requires those formats to be provided -> View list at the end! /* *gl_internal_format = 0; *gl_format = 0; *gl_type = 0; switch (format) { #if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_21) || defined(GRAPHICS_API_OPENGL_ES2) // NOTE: on OpenGL ES 2.0 (WebGL), internalFormat must match format and options allowed are: GL_LUMINANCE, GL_RGB, GL_RGBA case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE: *gl_internal_format = GL_LUMINANCE; *gl_format = GL_LUMINANCE; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA: *gl_internal_format = GL_LUMINANCE_ALPHA; *gl_format = GL_LUMINANCE_ALPHA; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5: *gl_internal_format = GL_RGB; *gl_format = GL_RGB; *gl_type = GL_UNSIGNED_SHORT_5_6_5; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8: *gl_internal_format = GL_RGB; *gl_format = GL_RGB; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_SHORT_5_5_5_1; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_SHORT_4_4_4_4; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_BYTE; break; #if !defined(GRAPHICS_API_OPENGL_11) #if defined(GRAPHICS_API_OPENGL_ES3) case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32: *gl_internal_format = GL_R32F_EXT; *gl_format = GL_RED_EXT; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32: *gl_internal_format = GL_RGB32F_EXT; *gl_format = GL_RGB; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32A32: *gl_internal_format = GL_RGBA32F_EXT; *gl_format = GL_RGBA; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16: *gl_internal_format = GL_R16F_EXT; *gl_format = GL_RED_EXT; *gl_type = GL_HALF_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16: *gl_internal_format = GL_RGB16F_EXT; *gl_format = GL_RGB; *gl_type = GL_HALF_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16: *gl_internal_format = GL_RGBA16F_EXT; *gl_format = GL_RGBA; *gl_type = GL_HALF_FLOAT; break; #else case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32: *gl_internal_format = GL_LUMINANCE; *gl_format = GL_LUMINANCE; *gl_type = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32: *gl_internal_format = GL_RGB; *gl_format = GL_RGB; *gl_type = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32A32: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_FLOAT; break; // NOTE: Requires extension OES_texture_float #if defined(GRAPHICS_API_OPENGL_21) case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16: *gl_internal_format = GL_LUMINANCE; *gl_format = GL_LUMINANCE; *gl_type = GL_HALF_FLOAT_ARB; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16: *gl_internal_format = GL_RGB; *gl_format = GL_RGB; *gl_type = GL_HALF_FLOAT_ARB; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_HALF_FLOAT_ARB; break; #else // defined(GRAPHICS_API_OPENGL_ES2) case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16: *gl_internal_format = GL_LUMINANCE; *gl_format = GL_LUMINANCE; *gl_type = GL_HALF_FLOAT_OES; break; // NOTE: Requires extension OES_texture_half_float case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16: *gl_internal_format = GL_RGB; *gl_format = GL_RGB; *gl_type = GL_HALF_FLOAT_OES; break; // NOTE: Requires extension OES_texture_half_float case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16: *gl_internal_format = GL_RGBA; *gl_format = GL_RGBA; *gl_type = GL_HALF_FLOAT_OES; break; // NOTE: Requires extension OES_texture_half_float #endif #endif #endif #elif defined(GRAPHICS_API_OPENGL_33) case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE: *gl_internal_format = GL_R8; *gl_format = GL_RED; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA: *gl_internal_format = GL_RG8; *gl_format = GL_RG; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G6B5: *gl_internal_format = GL_RGB565; *gl_format = GL_RGB; *gl_type = GL_UNSIGNED_SHORT_5_6_5; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8: *gl_internal_format = GL_RGB8; *gl_format = GL_RGB; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R5G5B5A1: *gl_internal_format = GL_RGB5_A1; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_SHORT_5_5_5_1; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R4G4B4A4: *gl_internal_format = GL_RGBA4; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_SHORT_4_4_4_4; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8: *gl_internal_format = GL_RGBA8; *gl_format = GL_RGBA; *gl_type = GL_UNSIGNED_BYTE; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32: *gl_internal_format = GL_R32F; *gl_format = GL_RED; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32: *gl_internal_format = GL_RGB32F; *gl_format = GL_RGB; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R32G32B32A32: *gl_internal_format = GL_RGBA32F; *gl_format = GL_RGBA; *gl_type = GL_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16: *gl_internal_format = GL_R16F; *gl_format = GL_RED; *gl_type = GL_HALF_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16: *gl_internal_format = GL_RGB16F; *gl_format = GL_RGB; *gl_type = GL_HALF_FLOAT; break; case RL_GPUTEX_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16: *gl_internal_format = GL_RGBA16F; *gl_format = GL_RGBA; *gl_type = GL_HALF_FLOAT; break; #endif #if !defined(GRAPHICS_API_OPENGL_11) case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGB: *gl_internal_format = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT1_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT3_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_DXT5_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break; case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC1_RGB: *gl_internal_format = GL_ETC1_RGB8_OES; break; // NOTE: Requires OpenGL ES 2.0 or OpenGL 4.3 case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_RGB: *gl_internal_format = GL_COMPRESSED_RGB8_ETC2; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ETC2_EAC_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA8_ETC2_EAC; break; // NOTE: Requires OpenGL ES 3.0 or OpenGL 4.3 case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGB: *gl_internal_format = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU case RL_GPUTEX_PIXELFORMAT_COMPRESSED_PVRT_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; break; // NOTE: Requires PowerVR GPU case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_4x4_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_ASTC_4x4_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 case RL_GPUTEX_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA: *gl_internal_format = GL_COMPRESSED_RGBA_ASTC_8x8_KHR; break; // NOTE: Requires OpenGL ES 3.1 or OpenGL 4.3 #endif default: RL_GPUTEX_LOG("GPUTEX: Current format not supported (%i)", format); break; } */ } #endif // RL_GPUTEX_IMPLEMENTATION /* // OpenGL texture data formats // NOTE: Those values can be useful for KTX 1.1 saving, // probably only the latest OpenGL ones, not the extensions ones // So, there is no need to include full OpenGL headers #define GL_UNSIGNED_BYTE 0x1401 #define GL_UNSIGNED_SHORT_5_6_5 0x8363 #define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 #define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 #define GL_FLOAT 0x1406 #define GL_HALF_FLOAT 0x140b #define GL_HALF_FLOAT_ARB 0x140b #define GL_HALF_FLOAT_OES 0x8d61 #define GL_RED_EXT 0x1903 #define GL_RGB 0x1907 #define GL_RGBA 0x1908 #define GL_LUMINANCE 0x1909 #define GL_R8 0x8229 #define GL_RG8 0x822b #define GL_RGB565 0x8d62 #define GL_RGB8 0x8051 #define GL_RGB5_A1 0x8057 #define GL_RGBA4 0x8056 #define GL_RGBA8 0x8058 #define GL_R16F 0x822d #define GL_RGB16F 0x881b #define GL_RGBA16F 0x881a #define GL_R32F 0x822e #define GL_RGB32F 0x8815 #define GL_RGBA32F 0x8814 #define GL_R32F_EXT 0x822e #define GL_RGB32F_EXT 0x8815 #define GL_RGBA32F_EXT 0x8814 #define GL_R16F_EXT 0x822d #define GL_RGB16F_EXT 0x881b #define GL_RGBA16F_EXT 0x881a // S3TC (DXT) compression #define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83f0 #define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83f1 #define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83f2 #define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83f3 // ETC formats #define GL_ETC1_RGB8_OES 0x8d64 #define GL_COMPRESSED_RGB8_ETC2 0x9274 #define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 // PVRTC #define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8c00 #define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8c02 // ASTC #define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93b0 #define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93b7 */ /* // Vulkan texture formats typedef enum VkFormat { // Provided by VK_VERSION_1_0 VK_FORMAT_UNDEFINED = 0, VK_FORMAT_R4G4_UNORM_PACK8 = 1, VK_FORMAT_R4G4B4A4_UNORM_PACK16 = 2, VK_FORMAT_B4G4R4A4_UNORM_PACK16 = 3, VK_FORMAT_R5G6B5_UNORM_PACK16 = 4, VK_FORMAT_B5G6R5_UNORM_PACK16 = 5, VK_FORMAT_R5G5B5A1_UNORM_PACK16 = 6, VK_FORMAT_B5G5R5A1_UNORM_PACK16 = 7, VK_FORMAT_A1R5G5B5_UNORM_PACK16 = 8, VK_FORMAT_R8_UNORM = 9, VK_FORMAT_R8_SNORM = 10, VK_FORMAT_R8_USCALED = 11, VK_FORMAT_R8_SSCALED = 12, VK_FORMAT_R8_UINT = 13, VK_FORMAT_R8_SINT = 14, VK_FORMAT_R8_SRGB = 15, VK_FORMAT_R8G8_UNORM = 16, VK_FORMAT_R8G8_SNORM = 17, VK_FORMAT_R8G8_USCALED = 18, VK_FORMAT_R8G8_SSCALED = 19, VK_FORMAT_R8G8_UINT = 20, VK_FORMAT_R8G8_SINT = 21, VK_FORMAT_R8G8_SRGB = 22, VK_FORMAT_R8G8B8_UNORM = 23, VK_FORMAT_R8G8B8_SNORM = 24, VK_FORMAT_R8G8B8_USCALED = 25, VK_FORMAT_R8G8B8_SSCALED = 26, VK_FORMAT_R8G8B8_UINT = 27, VK_FORMAT_R8G8B8_SINT = 28, VK_FORMAT_R8G8B8_SRGB = 29, VK_FORMAT_B8G8R8_UNORM = 30, VK_FORMAT_B8G8R8_SNORM = 31, VK_FORMAT_B8G8R8_USCALED = 32, VK_FORMAT_B8G8R8_SSCALED = 33, VK_FORMAT_B8G8R8_UINT = 34, VK_FORMAT_B8G8R8_SINT = 35, VK_FORMAT_B8G8R8_SRGB = 36, VK_FORMAT_R8G8B8A8_UNORM = 37, VK_FORMAT_R8G8B8A8_SNORM = 38, VK_FORMAT_R8G8B8A8_USCALED = 39, VK_FORMAT_R8G8B8A8_SSCALED = 40, VK_FORMAT_R8G8B8A8_UINT = 41, VK_FORMAT_R8G8B8A8_SINT = 42, VK_FORMAT_R8G8B8A8_SRGB = 43, VK_FORMAT_B8G8R8A8_UNORM = 44, VK_FORMAT_B8G8R8A8_SNORM = 45, VK_FORMAT_B8G8R8A8_USCALED = 46, VK_FORMAT_B8G8R8A8_SSCALED = 47, VK_FORMAT_B8G8R8A8_UINT = 48, VK_FORMAT_B8G8R8A8_SINT = 49, VK_FORMAT_B8G8R8A8_SRGB = 50, VK_FORMAT_A8B8G8R8_UNORM_PACK32 = 51, VK_FORMAT_A8B8G8R8_SNORM_PACK32 = 52, VK_FORMAT_A8B8G8R8_USCALED_PACK32 = 53, VK_FORMAT_A8B8G8R8_SSCALED_PACK32 = 54, VK_FORMAT_A8B8G8R8_UINT_PACK32 = 55, VK_FORMAT_A8B8G8R8_SINT_PACK32 = 56, VK_FORMAT_A8B8G8R8_SRGB_PACK32 = 57, VK_FORMAT_A2R10G10B10_UNORM_PACK32 = 58, VK_FORMAT_A2R10G10B10_SNORM_PACK32 = 59, VK_FORMAT_A2R10G10B10_USCALED_PACK32 = 60, VK_FORMAT_A2R10G10B10_SSCALED_PACK32 = 61, VK_FORMAT_A2R10G10B10_UINT_PACK32 = 62, VK_FORMAT_A2R10G10B10_SINT_PACK32 = 63, VK_FORMAT_A2B10G10R10_UNORM_PACK32 = 64, VK_FORMAT_A2B10G10R10_SNORM_PACK32 = 65, VK_FORMAT_A2B10G10R10_USCALED_PACK32 = 66, VK_FORMAT_A2B10G10R10_SSCALED_PACK32 = 67, VK_FORMAT_A2B10G10R10_UINT_PACK32 = 68, VK_FORMAT_A2B10G10R10_SINT_PACK32 = 69, VK_FORMAT_R16_UNORM = 70, VK_FORMAT_R16_SNORM = 71, VK_FORMAT_R16_USCALED = 72, VK_FORMAT_R16_SSCALED = 73, VK_FORMAT_R16_UINT = 74, VK_FORMAT_R16_SINT = 75, VK_FORMAT_R16_SFLOAT = 76, VK_FORMAT_R16G16_UNORM = 77, VK_FORMAT_R16G16_SNORM = 78, VK_FORMAT_R16G16_USCALED = 79, VK_FORMAT_R16G16_SSCALED = 80, VK_FORMAT_R16G16_UINT = 81, VK_FORMAT_R16G16_SINT = 82, VK_FORMAT_R16G16_SFLOAT = 83, VK_FORMAT_R16G16B16_UNORM = 84, VK_FORMAT_R16G16B16_SNORM = 85, VK_FORMAT_R16G16B16_USCALED = 86, VK_FORMAT_R16G16B16_SSCALED = 87, VK_FORMAT_R16G16B16_UINT = 88, VK_FORMAT_R16G16B16_SINT = 89, VK_FORMAT_R16G16B16_SFLOAT = 90, VK_FORMAT_R16G16B16A16_UNORM = 91, VK_FORMAT_R16G16B16A16_SNORM = 92, VK_FORMAT_R16G16B16A16_USCALED = 93, VK_FORMAT_R16G16B16A16_SSCALED = 94, VK_FORMAT_R16G16B16A16_UINT = 95, VK_FORMAT_R16G16B16A16_SINT = 96, VK_FORMAT_R16G16B16A16_SFLOAT = 97, VK_FORMAT_R32_UINT = 98, VK_FORMAT_R32_SINT = 99, VK_FORMAT_R32_SFLOAT = 100, VK_FORMAT_R32G32_UINT = 101, VK_FORMAT_R32G32_SINT = 102, VK_FORMAT_R32G32_SFLOAT = 103, VK_FORMAT_R32G32B32_UINT = 104, VK_FORMAT_R32G32B32_SINT = 105, VK_FORMAT_R32G32B32_SFLOAT = 106, VK_FORMAT_R32G32B32A32_UINT = 107, VK_FORMAT_R32G32B32A32_SINT = 108, VK_FORMAT_R32G32B32A32_SFLOAT = 109, VK_FORMAT_R64_UINT = 110, VK_FORMAT_R64_SINT = 111, VK_FORMAT_R64_SFLOAT = 112, VK_FORMAT_R64G64_UINT = 113, VK_FORMAT_R64G64_SINT = 114, VK_FORMAT_R64G64_SFLOAT = 115, VK_FORMAT_R64G64B64_UINT = 116, VK_FORMAT_R64G64B64_SINT = 117, VK_FORMAT_R64G64B64_SFLOAT = 118, VK_FORMAT_R64G64B64A64_UINT = 119, VK_FORMAT_R64G64B64A64_SINT = 120, VK_FORMAT_R64G64B64A64_SFLOAT = 121, VK_FORMAT_B10G11R11_UFLOAT_PACK32 = 122, VK_FORMAT_E5B9G9R9_UFLOAT_PACK32 = 123, VK_FORMAT_D16_UNORM = 124, VK_FORMAT_X8_D24_UNORM_PACK32 = 125, VK_FORMAT_D32_SFLOAT = 126, VK_FORMAT_S8_UINT = 127, VK_FORMAT_D16_UNORM_S8_UINT = 128, VK_FORMAT_D24_UNORM_S8_UINT = 129, VK_FORMAT_D32_SFLOAT_S8_UINT = 130, VK_FORMAT_BC1_RGB_UNORM_BLOCK = 131, VK_FORMAT_BC1_RGB_SRGB_BLOCK = 132, VK_FORMAT_BC1_RGBA_UNORM_BLOCK = 133, VK_FORMAT_BC1_RGBA_SRGB_BLOCK = 134, VK_FORMAT_BC2_UNORM_BLOCK = 135, VK_FORMAT_BC2_SRGB_BLOCK = 136, VK_FORMAT_BC3_UNORM_BLOCK = 137, VK_FORMAT_BC3_SRGB_BLOCK = 138, VK_FORMAT_BC4_UNORM_BLOCK = 139, VK_FORMAT_BC4_SNORM_BLOCK = 140, VK_FORMAT_BC5_UNORM_BLOCK = 141, VK_FORMAT_BC5_SNORM_BLOCK = 142, VK_FORMAT_BC6H_UFLOAT_BLOCK = 143, VK_FORMAT_BC6H_SFLOAT_BLOCK = 144, VK_FORMAT_BC7_UNORM_BLOCK = 145, VK_FORMAT_BC7_SRGB_BLOCK = 146, VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK = 147, VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK = 148, VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK = 149, VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK = 150, VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK = 151, VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK = 152, VK_FORMAT_EAC_R11_UNORM_BLOCK = 153, VK_FORMAT_EAC_R11_SNORM_BLOCK = 154, VK_FORMAT_EAC_R11G11_UNORM_BLOCK = 155, VK_FORMAT_EAC_R11G11_SNORM_BLOCK = 156, VK_FORMAT_ASTC_4x4_UNORM_BLOCK = 157, VK_FORMAT_ASTC_4x4_SRGB_BLOCK = 158, VK_FORMAT_ASTC_5x4_UNORM_BLOCK = 159, VK_FORMAT_ASTC_5x4_SRGB_BLOCK = 160, VK_FORMAT_ASTC_5x5_UNORM_BLOCK = 161, VK_FORMAT_ASTC_5x5_SRGB_BLOCK = 162, VK_FORMAT_ASTC_6x5_UNORM_BLOCK = 163, VK_FORMAT_ASTC_6x5_SRGB_BLOCK = 164, VK_FORMAT_ASTC_6x6_UNORM_BLOCK = 165, VK_FORMAT_ASTC_6x6_SRGB_BLOCK = 166, VK_FORMAT_ASTC_8x5_UNORM_BLOCK = 167, VK_FORMAT_ASTC_8x5_SRGB_BLOCK = 168, VK_FORMAT_ASTC_8x6_UNORM_BLOCK = 169, VK_FORMAT_ASTC_8x6_SRGB_BLOCK = 170, VK_FORMAT_ASTC_8x8_UNORM_BLOCK = 171, VK_FORMAT_ASTC_8x8_SRGB_BLOCK = 172, VK_FORMAT_ASTC_10x5_UNORM_BLOCK = 173, VK_FORMAT_ASTC_10x5_SRGB_BLOCK = 174, VK_FORMAT_ASTC_10x6_UNORM_BLOCK = 175, VK_FORMAT_ASTC_10x6_SRGB_BLOCK = 176, VK_FORMAT_ASTC_10x8_UNORM_BLOCK = 177, VK_FORMAT_ASTC_10x8_SRGB_BLOCK = 178, VK_FORMAT_ASTC_10x10_UNORM_BLOCK = 179, VK_FORMAT_ASTC_10x10_SRGB_BLOCK = 180, VK_FORMAT_ASTC_12x10_UNORM_BLOCK = 181, VK_FORMAT_ASTC_12x10_SRGB_BLOCK = 182, VK_FORMAT_ASTC_12x12_UNORM_BLOCK = 183, VK_FORMAT_ASTC_12x12_SRGB_BLOCK = 184, // Provided by VK_VERSION_1_1 VK_FORMAT_G8B8G8R8_422_UNORM = 1000156000, // Provided by VK_VERSION_1_1 VK_FORMAT_B8G8R8G8_422_UNORM = 1000156001, // Provided by VK_VERSION_1_1 VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM = 1000156002, // Provided by VK_VERSION_1_1 VK_FORMAT_G8_B8R8_2PLANE_420_UNORM = 1000156003, // Provided by VK_VERSION_1_1 VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM = 1000156004, // Provided by VK_VERSION_1_1 VK_FORMAT_G8_B8R8_2PLANE_422_UNORM = 1000156005, // Provided by VK_VERSION_1_1 VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM = 1000156006, // Provided by VK_VERSION_1_1 VK_FORMAT_R10X6_UNORM_PACK16 = 1000156007, // Provided by VK_VERSION_1_1 VK_FORMAT_R10X6G10X6_UNORM_2PACK16 = 1000156008, // Provided by VK_VERSION_1_1 VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16 = 1000156009, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16 = 1000156010, // Provided by VK_VERSION_1_1 VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16 = 1000156011, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16 = 1000156012, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16 = 1000156013, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16 = 1000156014, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16 = 1000156015, // Provided by VK_VERSION_1_1 VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16 = 1000156016, // Provided by VK_VERSION_1_1 VK_FORMAT_R12X4_UNORM_PACK16 = 1000156017, // Provided by VK_VERSION_1_1 VK_FORMAT_R12X4G12X4_UNORM_2PACK16 = 1000156018, // Provided by VK_VERSION_1_1 VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16 = 1000156019, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16 = 1000156020, // Provided by VK_VERSION_1_1 VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16 = 1000156021, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16 = 1000156022, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16 = 1000156023, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16 = 1000156024, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16 = 1000156025, // Provided by VK_VERSION_1_1 VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16 = 1000156026, // Provided by VK_VERSION_1_1 VK_FORMAT_G16B16G16R16_422_UNORM = 1000156027, // Provided by VK_VERSION_1_1 VK_FORMAT_B16G16R16G16_422_UNORM = 1000156028, // Provided by VK_VERSION_1_1 VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM = 1000156029, // Provided by VK_VERSION_1_1 VK_FORMAT_G16_B16R16_2PLANE_420_UNORM = 1000156030, // Provided by VK_VERSION_1_1 VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM = 1000156031, // Provided by VK_VERSION_1_1 VK_FORMAT_G16_B16R16_2PLANE_422_UNORM = 1000156032, // Provided by VK_VERSION_1_1 VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM = 1000156033, // Provided by VK_VERSION_1_3 VK_FORMAT_G8_B8R8_2PLANE_444_UNORM = 1000330000, // Provided by VK_VERSION_1_3 VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16 = 1000330001, // Provided by VK_VERSION_1_3 VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16 = 1000330002, // Provided by VK_VERSION_1_3 VK_FORMAT_G16_B16R16_2PLANE_444_UNORM = 1000330003, // Provided by VK_VERSION_1_3 VK_FORMAT_A4R4G4B4_UNORM_PACK16 = 1000340000, // Provided by VK_VERSION_1_3 VK_FORMAT_A4B4G4R4_UNORM_PACK16 = 1000340001, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK = 1000066000, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK = 1000066001, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK = 1000066002, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK = 1000066003, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK = 1000066004, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK = 1000066005, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK = 1000066006, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK = 1000066007, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK = 1000066008, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK = 1000066009, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK = 1000066010, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK = 1000066011, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK = 1000066012, // Provided by VK_VERSION_1_3 VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK = 1000066013, // Provided by VK_VERSION_1_4 VK_FORMAT_A1B5G5R5_UNORM_PACK16 = 1000470000, // Provided by VK_VERSION_1_4 VK_FORMAT_A8_UNORM = 1000470001, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG = 1000054000, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG = 1000054001, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG = 1000054002, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG = 1000054003, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG = 1000054004, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG = 1000054005, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG = 1000054006, // Provided by VK_IMG_format_pvrtc VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG = 1000054007, // Provided by VK_ARM_tensors VK_FORMAT_R8_BOOL_ARM = 1000460000, // Provided by VK_NV_optical_flow VK_FORMAT_R16G16_SFIXED5_NV = 1000464000, // Provided by VK_ARM_format_pack VK_FORMAT_R10X6_UINT_PACK16_ARM = 1000609000, // Provided by VK_ARM_format_pack VK_FORMAT_R10X6G10X6_UINT_2PACK16_ARM = 1000609001, // Provided by VK_ARM_format_pack VK_FORMAT_R10X6G10X6B10X6A10X6_UINT_4PACK16_ARM = 1000609002, // Provided by VK_ARM_format_pack VK_FORMAT_R12X4_UINT_PACK16_ARM = 1000609003, // Provided by VK_ARM_format_pack VK_FORMAT_R12X4G12X4_UINT_2PACK16_ARM = 1000609004, // Provided by VK_ARM_format_pack VK_FORMAT_R12X4G12X4B12X4A12X4_UINT_4PACK16_ARM = 1000609005, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2_UINT_PACK16_ARM = 1000609006, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2G14X2_UINT_2PACK16_ARM = 1000609007, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2G14X2B14X2A14X2_UINT_4PACK16_ARM = 1000609008, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2_UNORM_PACK16_ARM = 1000609009, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2G14X2_UNORM_2PACK16_ARM = 1000609010, // Provided by VK_ARM_format_pack VK_FORMAT_R14X2G14X2B14X2A14X2_UNORM_4PACK16_ARM = 1000609011, // Provided by VK_ARM_format_pack VK_FORMAT_G14X2_B14X2R14X2_2PLANE_420_UNORM_3PACK16_ARM = 1000609012, // Provided by VK_ARM_format_pack VK_FORMAT_G14X2_B14X2R14X2_2PLANE_422_UNORM_3PACK16_ARM = 1000609013, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK, // Provided by VK_EXT_texture_compression_astc_hdr VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK_EXT = VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8B8G8R8_422_UNORM_KHR = VK_FORMAT_G8B8G8R8_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_B8G8R8G8_422_UNORM_KHR = VK_FORMAT_B8G8R8G8_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM_KHR = VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8_B8R8_2PLANE_420_UNORM_KHR = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM_KHR = VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8_B8R8_2PLANE_422_UNORM_KHR = VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM_KHR = VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R10X6_UNORM_PACK16_KHR = VK_FORMAT_R10X6_UNORM_PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R10X6G10X6_UNORM_2PACK16_KHR = VK_FORMAT_R10X6G10X6_UNORM_2PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16_KHR = VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR = VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR = VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_KHR = VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_KHR = VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16_KHR = VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16_KHR = VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16_KHR = VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R12X4_UNORM_PACK16_KHR = VK_FORMAT_R12X4_UNORM_PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R12X4G12X4_UNORM_2PACK16_KHR = VK_FORMAT_R12X4G12X4_UNORM_2PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16_KHR = VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR = VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR = VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_KHR = VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_KHR = VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16_KHR = VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16_KHR = VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16_KHR = VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16B16G16R16_422_UNORM_KHR = VK_FORMAT_G16B16G16R16_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_B16G16R16G16_422_UNORM_KHR = VK_FORMAT_B16G16R16G16_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM_KHR = VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16_B16R16_2PLANE_420_UNORM_KHR = VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM_KHR = VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16_B16R16_2PLANE_422_UNORM_KHR = VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, // Provided by VK_KHR_sampler_ycbcr_conversion VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM_KHR = VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, // Provided by VK_EXT_ycbcr_2plane_444_formats VK_FORMAT_G8_B8R8_2PLANE_444_UNORM_EXT = VK_FORMAT_G8_B8R8_2PLANE_444_UNORM, // Provided by VK_EXT_ycbcr_2plane_444_formats VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16_EXT = VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16, // Provided by VK_EXT_ycbcr_2plane_444_formats VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16_EXT = VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16, // Provided by VK_EXT_ycbcr_2plane_444_formats VK_FORMAT_G16_B16R16_2PLANE_444_UNORM_EXT = VK_FORMAT_G16_B16R16_2PLANE_444_UNORM, // Provided by VK_EXT_4444_formats VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT = VK_FORMAT_A4R4G4B4_UNORM_PACK16, // Provided by VK_EXT_4444_formats VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT = VK_FORMAT_A4B4G4R4_UNORM_PACK16, // Provided by VK_NV_optical_flow // VK_FORMAT_R16G16_S10_5_NV is a deprecated alias VK_FORMAT_R16G16_S10_5_NV = VK_FORMAT_R16G16_SFIXED5_NV, // Provided by VK_KHR_maintenance5 VK_FORMAT_A1B5G5R5_UNORM_PACK16_KHR = VK_FORMAT_A1B5G5R5_UNORM_PACK16, // Provided by VK_KHR_maintenance5 VK_FORMAT_A8_UNORM_KHR = VK_FORMAT_A8_UNORM, } VkFormat; */