1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5 * Copyright (c) 2008-2009 VMware, Inc. 6 * Copyright (c) 2012 Intel Corporation 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included 16 * in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 #ifndef GLFORMATS_H 27 #define GLFORMATS_H 28 29 30 #include <GL/gl.h> 31 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 extern GLboolean 38 _mesa_type_is_packed(GLenum type); 39 40 extern GLint 41 _mesa_sizeof_type( GLenum type ); 42 43 extern GLint 44 _mesa_sizeof_packed_type( GLenum type ); 45 46 extern GLint 47 _mesa_components_in_format( GLenum format ); 48 49 extern GLint 50 _mesa_bytes_per_pixel( GLenum format, GLenum type ); 51 52 extern GLboolean 53 _mesa_is_type_integer(GLenum type); 54 55 extern GLboolean 56 _mesa_is_type_unsigned(GLenum type); 57 58 extern GLboolean 59 _mesa_is_enum_format_integer(GLenum format); 60 61 extern GLboolean 62 _mesa_is_enum_format_or_type_integer(GLenum format, GLenum type); 63 64 extern GLboolean 65 _mesa_is_color_format(GLenum format); 66 67 extern GLboolean 68 _mesa_is_depth_format(GLenum format); 69 70 extern GLboolean 71 _mesa_is_stencil_format(GLenum format); 72 73 extern GLboolean 74 _mesa_is_ycbcr_format(GLenum format); 75 76 extern GLboolean 77 _mesa_is_depthstencil_format(GLenum format); 78 79 extern GLboolean 80 _mesa_is_depth_or_stencil_format(GLenum format); 81 82 extern GLboolean 83 _mesa_is_dudv_format(GLenum format); 84 85 extern GLboolean 86 _mesa_is_compressed_format(struct gl_context *ctx, GLenum format); 87 88 extern GLenum 89 _mesa_base_format_to_integer_format(GLenum format); 90 91 extern GLboolean 92 _mesa_base_format_has_channel(GLenum base_format, GLenum pname); 93 94 extern GLenum 95 _mesa_generic_compressed_format_to_uncompressed_format(GLenum format); 96 97 extern GLenum 98 _mesa_error_check_format_and_type(const struct gl_context *ctx, 99 GLenum format, GLenum type); 100 101 102 #ifdef __cplusplus 103 } 104 #endif 105 106 #endif /* GLFORMATS_H */ 107