1 /* Copyright © 2011 Intel Corporation 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a 4 * copy of this software and associated documentation files (the "Software"), 5 * to deal in the Software without restriction, including without limitation 6 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 7 * and/or sell copies of the Software, and to permit persons to whom the 8 * Software is furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice (including the next 11 * paragraph) shall be included in all copies or substantial portions of the 12 * Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 20 * IN THE SOFTWARE. 21 */ 22 23 /* F=float, UN=unsigned normalized, SN=signed normalized, I=int, 24 * U=uint. 25 * 26 * This list has to match up with the table in sized-internalformats.c. 27 */ 28 enum bits_types { 29 NONE, 30 31 UN32, 32 F32, 33 I32, 34 U32, 35 36 UN24, 37 38 UN16, 39 SN16, 40 F16, 41 I16, 42 U16, 43 44 U10, 45 U2, 46 47 UN12, 48 UN10, 49 50 UN8, 51 SN8, 52 I8, 53 U8, 54 55 UN6, 56 UN5, 57 UN4, 58 UN3, 59 UN2, 60 UN1, 61 62 F11, 63 F10, 64 F9, 65 66 67 /* Compressed internalformats get treated specially. */ 68 UCMP, 69 SCMP, 70 71 BITS_MAX, 72 }; 73 74 enum channel { 75 R, 76 G, 77 B, 78 A, 79 L, 80 I, 81 D, 82 S, 83 CHANNELS, 84 }; 85 86 struct sized_internalformat { 87 GLenum token; 88 enum bits_types bits[CHANNELS]; 89 }; 90 91 struct required_format { 92 GLenum token; 93 int version; 94 bool rb_required; 95 }; 96 97 extern const struct sized_internalformat sized_internalformats[]; 98 extern const struct required_format required_formats[]; 99 100 const struct sized_internalformat * 101 get_sized_internalformat(GLenum token); 102 103 int 104 get_channel_size(const struct sized_internalformat *f, enum channel c); 105 106 GLenum 107 get_channel_type(const struct sized_internalformat *f, enum channel c); 108 109 void 110 print_bits(int size, GLenum type); 111 112 bool 113 valid_for_gl_version(const struct required_format *format, int target_version); 114 115 void 116 setup_required_size_test(int argc, char **argv, 117 struct piglit_gl_test_config *config); 118