extensions.c revision 2dcb40bb44a813295e3133bcec66c0de1e5f5a34
1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Version: 7.6 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \file 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \brief Extension handling 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "glheader.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "imports.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "context.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "extensions.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "mfeatures.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "mtypes.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ALIGN(value, alignment) (((value) + alignment - 1) & ~(alignment - 1)) 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgenum { 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DISABLE = 0, 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLL = 1 << API_OPENGL, /* GL Legacy / Compatibility */ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLC = 1 << API_OPENGL_CORE, /* GL Core */ 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GL = (1 << API_OPENGL) | (1 << API_OPENGL_CORE), 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ES1 = 1 << API_OPENGLES, 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ES2 = 1 << API_OPENGLES2, 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \brief An element of the \c extension_table. 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct extension { 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Name of extension, such as "GL_ARB_depth_clamp". */ 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *name; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Offset (in bytes) of the corresponding member in struct gl_extensions. */ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size_t offset; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Set of API's in which the extension exists, as a bitset. */ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint8_t api_set; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Year the extension was proposed or approved. Used to sort the 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * extension string chronologically. */ 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint16_t year; 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Given a member \c x of struct gl_extensions, return offset of 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \c x in bytes. 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define o(x) offsetof(struct gl_extensions, x) 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \brief Table of supported OpenGL extensions for all API's. 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const struct extension extension_table[] = { 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* ARB Extensions */ 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_ES2_compatibility", o(ARB_ES2_compatibility), GL, 2009 }, 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_base_instance", o(ARB_base_instance), GL, 2011 }, 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_blend_func_extended", o(ARB_blend_func_extended), GL, 2009 }, 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_color_buffer_float", o(ARB_color_buffer_float), GL, 2004 }, 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_copy_buffer", o(ARB_copy_buffer), GL, 2008 }, 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_conservative_depth", o(ARB_conservative_depth), GL, 2011 }, 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_debug_output", o(dummy_true), GL, 2009 }, 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_depth_buffer_float", o(ARB_depth_buffer_float), GL, 2008 }, 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_depth_clamp", o(ARB_depth_clamp), GL, 2003 }, 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_depth_texture", o(ARB_depth_texture), GLL, 2001 }, 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_draw_buffers", o(dummy_true), GL, 2002 }, 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_draw_buffers_blend", o(ARB_draw_buffers_blend), GL, 2009 }, 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_draw_elements_base_vertex", o(ARB_draw_elements_base_vertex), GL, 2009 }, 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_draw_instanced", o(ARB_draw_instanced), GL, 2008 }, 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_explicit_attrib_location", o(ARB_explicit_attrib_location), GL, 2009 }, 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_fragment_coord_conventions", o(ARB_fragment_coord_conventions), GL, 2009 }, 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_fragment_program", o(ARB_fragment_program), GLL, 2002 }, 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_fragment_program_shadow", o(ARB_fragment_program_shadow), GLL, 2003 }, 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_fragment_shader", o(ARB_fragment_shader), GL, 2002 }, 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_framebuffer_object", o(ARB_framebuffer_object), GL, 2005 }, 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 }, 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_half_float_pixel", o(ARB_half_float_pixel), GL, 2003 }, 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_half_float_vertex", o(ARB_half_float_vertex), GL, 2008 }, 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_instanced_arrays", o(ARB_instanced_arrays), GL, 2008 }, 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_invalidate_subdata", o(dummy_true), GL, 2012 }, 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_map_buffer_range", o(ARB_map_buffer_range), GL, 2008 }, 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_multisample", o(dummy_true), GLL, 1994 }, 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_multitexture", o(dummy_true), GLL, 1998 }, 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_occlusion_query2", o(ARB_occlusion_query2), GL, 2003 }, 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_occlusion_query", o(ARB_occlusion_query), GLL, 2001 }, 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 }, 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_point_parameters", o(EXT_point_parameters), GLL, 1997 }, 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_point_sprite", o(ARB_point_sprite), GL, 2003 }, 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 }, 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_robustness", o(dummy_true), GL, 2010 }, 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_sampler_objects", o(dummy_true), GL, 2009 }, 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL, 2009 }, 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shader_bit_encoding", o(ARB_shader_bit_encoding), GL, 2010 }, 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shader_objects", o(ARB_shader_objects), GL, 2002 }, 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 }, 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shader_texture_lod", o(ARB_shader_texture_lod), GL, 2009 }, 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GLL, 2003 }, 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_shadow", o(ARB_shadow), GLL, 2001 }, 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_sync", o(ARB_sync), GL, 2003 }, 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GLL, 2000 }, 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_buffer_object", o(ARB_texture_buffer_object), GL, 2008 }, 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_compression", o(dummy_true), GLL, 2000 }, 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 }, 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_cube_map", o(ARB_texture_cube_map), GLL, 1999 }, 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_env_add", o(dummy_true), GLL, 1999 }, 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_env_combine", o(ARB_texture_env_combine), GLL, 2001 }, 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GLL, 2001 }, 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GLL, 2001 }, 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_float", o(ARB_texture_float), GL, 2004 }, 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_mirrored_repeat", o(dummy_true), GLL, 2001 }, 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL, 2009 }, 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL, 2003 }, 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL, 2004 }, 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL, 2009 }, 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_rg", o(ARB_texture_rg), GL, 2008 }, 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_storage", o(ARB_texture_storage), GL, 2011 }, 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 }, 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_timer_query", o(ARB_timer_query), GL, 2010 }, 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_transform_feedback2", o(ARB_transform_feedback2), GL, 2010 }, 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_transform_feedback3", o(ARB_transform_feedback3), GL, 2010 }, 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_transform_feedback_instanced", o(ARB_transform_feedback_instanced), GL, 2011 }, 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_transpose_matrix", o(ARB_transpose_matrix), GLL, 1999 }, 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_uniform_buffer_object", o(ARB_uniform_buffer_object), GL, 2009 }, 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 }, 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_array_object", o(ARB_vertex_array_object), GL, 2006 }, 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_buffer_object", o(dummy_true), GLL, 2003 }, 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_program", o(ARB_vertex_program), GLL, 2002 }, 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_shader", o(ARB_vertex_shader), GL, 2002 }, 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_vertex_type_2_10_10_10_rev", o(ARB_vertex_type_2_10_10_10_rev), GL, 2009 }, 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ARB_window_pos", o(ARB_window_pos), GLL, 2001 }, 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* EXT extensions */ 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_abgr", o(dummy_true), GL, 1995 }, 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_bgra", o(dummy_true), GLL, 1995 }, 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_blend_color", o(EXT_blend_color), GLL, 1995 }, 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 }, 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_blend_func_separate", o(EXT_blend_func_separate), GLL, 1999 }, 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_blend_minmax", o(EXT_blend_minmax), GLL | ES1 | ES2, 1995 }, 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_blend_subtract", o(dummy_true), GLL, 1995 }, 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_clip_volume_hint", o(EXT_clip_volume_hint), GL, 1996 }, 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_compiled_vertex_array", o(EXT_compiled_vertex_array), GLL, 1996 }, 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_copy_texture", o(dummy_true), GLL, 1995 }, 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL, 2002 }, 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL, 2006 }, 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL, 2006 }, 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_draw_range_elements", o(EXT_draw_range_elements), GLL, 1997 }, 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_fog_coord", o(EXT_fog_coord), GLL, 1999 }, 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_framebuffer_blit", o(EXT_framebuffer_blit), GL, 2005 }, 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_framebuffer_multisample", o(EXT_framebuffer_multisample), GL, 2005 }, 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_framebuffer_object", o(EXT_framebuffer_object), GL, 2000 }, 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 }, 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_gpu_program_parameters", o(EXT_gpu_program_parameters), GLL, 2006 }, 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_gpu_shader4", o(EXT_gpu_shader4), GL, 2006 }, 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_multi_draw_arrays", o(dummy_true), GLL | ES1 | ES2, 1999 }, 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2005 }, 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_packed_float", o(EXT_packed_float), GL, 2004 }, 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_packed_pixels", o(EXT_packed_pixels), GLL, 1997 }, 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 }, 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_point_parameters", o(EXT_point_parameters), GLL, 1997 }, 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_polygon_offset", o(dummy_true), GLL, 1995 }, 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 }, 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_rescale_normal", o(EXT_rescale_normal), GLL, 1997 }, 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_secondary_color", o(EXT_secondary_color), GLL, 1999 }, 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_separate_shader_objects", o(EXT_separate_shader_objects), GLL, 2008 }, 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_separate_specular_color", o(EXT_separate_specular_color), GLL, 1997 }, 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_shadow_funcs", o(EXT_shadow_funcs), GLL, 2002 }, 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_stencil_two_side", o(EXT_stencil_two_side), GLL, 2001 }, 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_stencil_wrap", o(dummy_true), GLL, 2002 }, 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_subtexture", o(dummy_true), GLL, 1995 }, 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture3D", o(EXT_texture3D), GLL, 1996 }, 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_array", o(EXT_texture_array), GL, 2006 }, 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_compression_dxt1", o(EXT_texture_compression_s3tc), GL | ES1 | ES2, 2004 }, 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_compression_latc", o(EXT_texture_compression_latc), GL, 2006 }, 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 }, 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_compression_s3tc", o(EXT_texture_compression_s3tc), GL, 2000 }, 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_cube_map", o(ARB_texture_cube_map), GLL, 2001 }, 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_edge_clamp", o(dummy_true), GLL, 1997 }, 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_env_add", o(dummy_true), GLL, 1999 }, 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_env_combine", o(dummy_true), GLL, 2000 }, 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_env_dot3", o(EXT_texture_env_dot3), GLL, 2000 }, 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_filter_anisotropic", o(EXT_texture_filter_anisotropic), GL | ES1 | ES2, 1999 }, 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_format_BGRA8888", o(dummy_true), ES1 | ES2, 2005 }, 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_rg", o(ARB_texture_rg), ES2, 2011 }, 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_read_format_bgra", o(dummy_true), ES1 | ES2, 2009 }, 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_integer", o(EXT_texture_integer), GL, 2006 }, 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_lod_bias", o(dummy_true), GLL | ES1, 1999 }, 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_mirror_clamp", o(EXT_texture_mirror_clamp), GL, 2004 }, 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_object", o(dummy_true), GLL, 1995 }, 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture", o(dummy_true), GLL, 1996 }, 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_rectangle", o(NV_texture_rectangle), GLL, 2004 }, 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_shared_exponent", o(EXT_texture_shared_exponent), GL, 2004 }, 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_snorm", o(EXT_texture_snorm), GL, 2009 }, 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_sRGB", o(EXT_texture_sRGB), GL, 2004 }, 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_sRGB_decode", o(EXT_texture_sRGB_decode), GL, 2006 }, 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 }, 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2, 2008 }, 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_timer_query", o(EXT_timer_query), GL, 2006 }, 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL, 2011 }, 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_unpack_subimage", o(dummy_true), ES2, 2011 }, 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 }, 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_EXT_vertex_array", o(dummy_true), GLL, 1995 }, 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* OES extensions */ 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_blend_equation_separate", o(EXT_blend_equation_separate), ES1, 2009 }, 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_blend_func_separate", o(EXT_blend_func_separate), ES1, 2009 }, 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_blend_subtract", o(dummy_true), ES1, 2009 }, 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_byte_coordinates", o(dummy_true), ES1, 2002 }, 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_compressed_ETC1_RGB8_texture", o(OES_compressed_ETC1_RGB8_texture), ES1 | ES2, 2005 }, 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_compressed_paletted_texture", o(dummy_true), ES1, 2003 }, 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_depth24", o(EXT_framebuffer_object), ES1 | ES2, 2005 }, 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_depth32", o(dummy_false), DISABLE, 2005 }, 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_depth_texture", o(ARB_depth_texture), ES2, 2006 }, 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_OES_draw_texture 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_draw_texture", o(OES_draw_texture), ES1, 2004 }, 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_OES_EGL_image 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */ 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_EGL_image", o(OES_EGL_image), GL | ES1 | ES2, 2006 }, 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_EGL_image_external", o(OES_EGL_image_external), ES1 | ES2, 2010 }, 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_element_index_uint", o(dummy_true), ES1 | ES2, 2005 }, 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_fbo_render_mipmap", o(EXT_framebuffer_object), ES1 | ES2, 2005 }, 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_fixed_point", o(dummy_true), ES1, 2002 }, 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_framebuffer_object", o(EXT_framebuffer_object), ES1, 2005 }, 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_mapbuffer", o(dummy_true), ES1 | ES2, 2005 }, 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_matrix_get", o(dummy_true), ES1, 2004 }, 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_packed_depth_stencil", o(EXT_packed_depth_stencil), ES1 | ES2, 2007 }, 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_point_size_array", o(dummy_true), ES1, 2004 }, 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_point_sprite", o(ARB_point_sprite), ES1, 2004 }, 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_query_matrix", o(dummy_true), ES1, 2003 }, 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_read_format", o(dummy_true), GL | ES1, 2003 }, 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_rgb8_rgba8", o(EXT_framebuffer_object), ES1 | ES2, 2005 }, 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_single_precision", o(dummy_true), ES1, 2003 }, 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_standard_derivatives", o(OES_standard_derivatives), ES2, 2005 }, 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_stencil1", o(dummy_false), DISABLE, 2005 }, 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_stencil4", o(dummy_false), DISABLE, 2005 }, 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_stencil8", o(EXT_framebuffer_object), ES1 | ES2, 2005 }, 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_stencil_wrap", o(dummy_true), ES1, 2002 }, 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_texture_3D", o(EXT_texture3D), ES2, 2005 }, 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_texture_cube_map", o(ARB_texture_cube_map), ES1, 2007 }, 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_texture_env_crossbar", o(ARB_texture_env_crossbar), ES1, 2005 }, 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_texture_mirrored_repeat", o(dummy_true), ES1, 2005 }, 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_OES_texture_npot", o(ARB_texture_non_power_of_two), ES2, 2005 }, 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Vendor extensions */ 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL, 1999 }, 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_AMD_conservative_depth", o(ARB_conservative_depth), GL, 2009 }, 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_AMD_draw_buffers_blend", o(ARB_draw_buffers_blend), GL, 2009 }, 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_AMD_seamless_cubemap_per_texture", o(AMD_seamless_cubemap_per_texture), GL, 2009 }, 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_AMD_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 }, 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL, 2006 }, 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GLL, 2002 }, 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_APPLE_texture_max_level", o(dummy_true), ES1 | ES2, 2009 }, 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_APPLE_vertex_array_object", o(APPLE_vertex_array_object), GLL, 2002 }, 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 }, 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_draw_buffers", o(dummy_true), GLL, 2002 }, 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_envmap_bumpmap", o(ATI_envmap_bumpmap), GLL, 2001 }, 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_fragment_shader", o(ATI_fragment_shader), GLL, 2001 }, 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_separate_stencil", o(ATI_separate_stencil), GLL, 2006 }, 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_texture_compression_3dc", o(ATI_texture_compression_3dc), GL, 2004 }, 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_texture_env_combine3", o(ATI_texture_env_combine3), GLL, 2002 }, 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_texture_float", o(ARB_texture_float), GL, 2002 }, 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL, 2006 }, 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_IBM_multimode_draw_arrays", o(IBM_multimode_draw_arrays), GL, 1998 }, 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_IBM_rasterpos_clip", o(IBM_rasterpos_clip), GL, 1996 }, 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_IBM_texture_mirrored_repeat", o(dummy_true), GLL, 1998 }, 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GLL, 1999 }, 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_pack_invert", o(MESA_pack_invert), GL, 2002 }, 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_resize_buffers", o(MESA_resize_buffers), GL, 1999 }, 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_texture_array", o(MESA_texture_array), GLL, 2007 }, 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_texture_signed_rgba", o(EXT_texture_snorm), GL, 2009 }, 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_window_pos", o(ARB_window_pos), GLL, 2000 }, 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_MESA_ycbcr_texture", o(MESA_ycbcr_texture), GL, 2002 }, 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_blend_square", o(NV_blend_square), GLL, 1999 }, 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_conditional_render", o(NV_conditional_render), GL, 2008 }, 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL, 2001 }, 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_draw_buffers", o(dummy_true), ES2, 2011 }, 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_fbo_color_attachments", o(EXT_framebuffer_object), ES2, 2010 }, 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_fog_distance", o(NV_fog_distance), GLL, 2001 }, 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_fragment_program", o(NV_fragment_program), GLL, 2001 }, 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GLL, 2005 }, 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GLL, 1999 }, 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2000 }, 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_point_sprite", o(NV_point_sprite), GL, 2001 }, 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_primitive_restart", o(NV_primitive_restart), GL, 2002 }, 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_read_buffer", o(dummy_true), ES2, 2011 }, 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_texgen_reflection", o(NV_texgen_reflection), GLL, 1999 }, 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_texture_barrier", o(NV_texture_barrier), GL, 2009 }, 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_texture_env_combine4", o(NV_texture_env_combine4), GLL, 1999 }, 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_texture_rectangle", o(NV_texture_rectangle), GLL, 2000 }, 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_vertex_program1_1", o(NV_vertex_program1_1), GLL, 2001 }, 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_NV_vertex_program", o(NV_vertex_program), GLL, 2000 }, 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_S3_s3tc", o(S3_s3tc), GL, 1999 }, 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_SGIS_generate_mipmap", o(dummy_true), GLL, 1997 }, 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_SGIS_texture_border_clamp", o(ARB_texture_border_clamp), GLL, 1997 }, 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_SGIS_texture_edge_clamp", o(dummy_true), GLL, 1997 }, 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_SGIS_texture_lod", o(SGIS_texture_lod), GLL, 1997 }, 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { "GL_SUN_multi_draw_arrays", o(dummy_true), GLL, 1999 }, 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 0, 0, 0, 0 }, 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Given an extension name, lookup up the corresponding member of struct 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * gl_extensions and return that member's offset (in bytes). If the name is 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * not found in the \c extension_table, return 0. 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param name Name of extension. 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \return Offset of member in struct gl_extensions. 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic size_t 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgname_to_offset(const char* name) 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct extension *i; 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (name == 0) 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = extension_table; i->name != 0; ++i) { 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strcmp(name, i->name) == 0) 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return i->offset; 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return 0; 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \brief Extensions enabled by default. 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * These extensions are enabled by _mesa_init_extensions(). 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: Should these defaults also apply to GLES? 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const size_t default_extensions[] = { 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(ARB_copy_buffer), 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(ARB_transpose_matrix), 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(ARB_window_pos), 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_compiled_vertex_array), 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_draw_range_elements), 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_packed_pixels), 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_rescale_normal), 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_separate_specular_color), 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(EXT_texture3D), 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(OES_standard_derivatives), 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Vendor Extensions */ 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(APPLE_packed_pixels), 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(IBM_multimode_draw_arrays), 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(IBM_rasterpos_clip), 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(NV_light_max_exponent), 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(NV_texgen_reflection), 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org o(SGIS_texture_lod), 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0, 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all extensions suitable for a software-only renderer. 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc. 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_sw_extensions(struct gl_context *ctx) 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/ 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_depth_clamp = GL_TRUE; 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_depth_texture = GL_TRUE; 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE; 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_draw_instanced = GL_TRUE; 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE; 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE; 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_fragment_program 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_fragment_program = GL_TRUE; 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE; 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_fragment_shader 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_fragment_shader = GL_TRUE; 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_framebuffer_object 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_framebuffer_object = GL_TRUE; 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_geometry_shader4 && 0 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX re-enable when GLSL compiler again supports geometry shaders */ 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_geometry_shader4 = GL_TRUE; 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_half_float_pixel = GL_TRUE; 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_half_float_vertex = GL_TRUE; 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_map_buffer_range = GL_TRUE; 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_queryobj 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_occlusion_query = GL_TRUE; 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_occlusion_query2 = GL_TRUE; 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_point_sprite = GL_TRUE; 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_shader_objects 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shader_objects = GL_TRUE; 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_separate_shader_objects = GL_TRUE; 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_shading_language_100 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shading_language_100 = GL_TRUE; 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shadow = GL_TRUE; 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_cube_map = GL_TRUE; 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_combine = GL_TRUE; 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/ 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_rg = GL_TRUE; 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE; 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_storage = GL_TRUE; 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_vertex_array_object = GL_TRUE; 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_vertex_program 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_vertex_program = GL_TRUE; 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_vertex_shader 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_vertex_shader = GL_TRUE; 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_sync 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_sync = GL_TRUE; 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.APPLE_vertex_array_object = GL_TRUE; 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_APPLE_object_purgeable 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.APPLE_object_purgeable = GL_TRUE; 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE; 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ATI_fragment_shader 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_fragment_shader = GL_TRUE; 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE; 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ATI_separate_stencil = GL_TRUE; 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_color = GL_TRUE; 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_func_separate = GL_TRUE; 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_minmax = GL_TRUE; 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_depth_bounds_test = GL_TRUE; 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_draw_buffers2 = GL_TRUE; 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_fog_coord = GL_TRUE; 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_framebuffer_object 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_framebuffer_object = GL_TRUE; 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_framebuffer_blit 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_framebuffer_blit = GL_TRUE; 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_framebuffer_object 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE; 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_pixel_buffer_object 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_point_parameters = GL_TRUE; 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_provoking_vertex = GL_TRUE; 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_shadow_funcs = GL_TRUE; 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_secondary_color = GL_TRUE; 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_stencil_two_side = GL_TRUE; 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_array = GL_TRUE; 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_compression_latc = GL_TRUE; 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE; 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE; 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE; 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_texture_sRGB 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_sRGB = GL_TRUE; 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE; 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_swizzle = GL_TRUE; 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_transform_feedback 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/ 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE; 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/ 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.MESA_pack_invert = GL_TRUE; 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.MESA_resize_buffers = GL_TRUE; 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.MESA_texture_array = GL_TRUE; 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_blend_square = GL_TRUE; 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_conditional_render = GL_TRUE; 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/ 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_point_sprite = GL_TRUE; 512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_texture_env_combine4 = GL_TRUE; 513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_texture_rectangle = GL_TRUE; 514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/ 515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_NV_vertex_program 516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_vertex_program = GL_TRUE; 517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; 518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_NV_fragment_program 520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_fragment_program = GL_TRUE; 521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program 523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.NV_fragment_program_option = GL_TRUE; 524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program 526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE; 527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_texture_fxt1 529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1"); 530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_texture_s3tc 532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Mesa_DXTn) { 533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_enable_extension(ctx, "GL_S3_s3tc"); 535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all OpenGL 1.3 features and extensions. 542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A convenience function to be called by drivers. 543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_1_3_extensions(struct gl_context *ctx) 546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; 548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_cube_map = GL_TRUE; 549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_combine = GL_TRUE; 550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; 551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/ 552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all OpenGL 1.4 features and extensions. 558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A convenience function to be called by drivers. 559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_1_4_extensions(struct gl_context *ctx) 562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_depth_texture = GL_TRUE; 564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shadow = GL_TRUE; 565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; 566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_window_pos = GL_TRUE; 567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_color = GL_TRUE; 568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_func_separate = GL_TRUE; 569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_minmax = GL_TRUE; 570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_fog_coord = GL_TRUE; 571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_point_parameters = GL_TRUE; 572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_secondary_color = GL_TRUE; 573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all OpenGL 1.5 features and extensions. 578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A convenience function to be called by drivers. 579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_1_5_extensions(struct gl_context *ctx) 582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_occlusion_query = GL_TRUE; 584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_shadow_funcs = GL_TRUE; 585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all OpenGL 2.0 features and extensions. 590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A convenience function to be called by drivers. 591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_2_0_extensions(struct gl_context *ctx) 594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_fragment_shader 596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_fragment_shader = GL_TRUE; 597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_point_sprite = GL_TRUE; 599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; 600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; 601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_shader_objects 602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shader_objects = GL_TRUE; 603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_shading_language_100 605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_shading_language_100 = GL_TRUE; 606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_stencil_two_side = GL_TRUE; 608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ARB_vertex_shader 609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.ARB_vertex_shader = GL_TRUE; 610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Enable all OpenGL 2.1 features and extensions. 616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A convenience function to be called by drivers. 617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_enable_2_1_extensions(struct gl_context *ctx) 620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_pixel_buffer_object 622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; 623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_texture_sRGB 625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Extensions.EXT_texture_sRGB = GL_TRUE; 626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Either enable or disable the named extension. 632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \return GL_TRUE for success, GL_FALSE if invalid extension name 633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLboolean 635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgset_extension( struct gl_context *ctx, const char *name, GLboolean state ) 636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size_t offset; 638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Extensions.String) { 640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The string was already queried - can't change it now! */ 641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name); 642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_FALSE; 643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = name_to_offset(name); 646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (offset == 0) { 647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_problem(ctx, "Trying to enable/disable unknown extension %s", 648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org name); 649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_FALSE; 650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (offset == o(dummy_true) && state == GL_FALSE) { 651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_problem(ctx, "Trying to disable a permanently enabled extension: " 652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "%s", name); 653 return GL_FALSE; 654 } else { 655 GLboolean *base = (GLboolean *) &ctx->Extensions; 656 base[offset] = state; 657 return GL_TRUE; 658 } 659} 660 661 662/** 663 * Enable the named extension. 664 * Typically called by drivers. 665 */ 666void 667_mesa_enable_extension( struct gl_context *ctx, const char *name ) 668{ 669 if (!set_extension(ctx, name, GL_TRUE)) 670 _mesa_problem(ctx, "Trying to enable unknown extension: %s", name); 671} 672 673 674/** 675 * Disable the named extension. 676 * XXX is this really needed??? 677 */ 678void 679_mesa_disable_extension( struct gl_context *ctx, const char *name ) 680{ 681 if (!set_extension(ctx, name, GL_FALSE)) 682 _mesa_problem(ctx, "Trying to disable unknown extension: %s", name); 683} 684 685 686/** 687 * Test if the named extension is enabled in this context. 688 */ 689GLboolean 690_mesa_extension_is_enabled( struct gl_context *ctx, const char *name ) 691{ 692 size_t offset; 693 GLboolean *base; 694 695 if (name == 0) 696 return GL_FALSE; 697 698 offset = name_to_offset(name); 699 if (offset == 0) 700 return GL_FALSE; 701 base = (GLboolean *) &ctx->Extensions; 702 return base[offset]; 703} 704 705 706/** 707 * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable. 708 * 709 * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to 710 * enable or disable. The list is processed thus: 711 * - Enable recognized extension names that are prefixed with '+'. 712 * - Disable recognized extension names that are prefixed with '-'. 713 * - Enable recognized extension names that are not prefixed. 714 * - Collect unrecognized extension names in a new string. 715 * 716 * \return Space-separated list of unrecognized extension names (which must 717 * be freed). Does not return \c NULL. 718 */ 719static char * 720get_extension_override( struct gl_context *ctx ) 721{ 722 const char *env_const = _mesa_getenv("MESA_EXTENSION_OVERRIDE"); 723 char *env; 724 char *ext; 725 char *extra_exts; 726 int len; 727 728 if (env_const == NULL) { 729 /* Return the empty string rather than NULL. This simplifies the logic 730 * of client functions. */ 731 return calloc(4, sizeof(char)); 732 } 733 734 /* extra_exts: List of unrecognized extensions. */ 735 extra_exts = calloc(ALIGN(strlen(env_const) + 2, 4), sizeof(char)); 736 737 /* Copy env_const because strtok() is destructive. */ 738 env = strdup(env_const); 739 for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) { 740 int enable; 741 int recognized; 742 switch (ext[0]) { 743 case '+': 744 enable = 1; 745 ++ext; 746 break; 747 case '-': 748 enable = 0; 749 ++ext; 750 break; 751 default: 752 enable = 1; 753 break; 754 } 755 recognized = set_extension(ctx, ext, enable); 756 if (!recognized) { 757 strcat(extra_exts, ext); 758 strcat(extra_exts, " "); 759 } 760 } 761 762 free(env); 763 764 /* Remove trailing space. */ 765 len = strlen(extra_exts); 766 if (len > 0 && extra_exts[len - 1] == ' ') 767 extra_exts[len - 1] = '\0'; 768 769 return extra_exts; 770} 771 772 773/** 774 * \brief Initialize extension tables and enable default extensions. 775 * 776 * This should be called during context initialization. 777 * Note: Sets gl_extensions.dummy_true to true. 778 */ 779void 780_mesa_init_extensions( struct gl_context *ctx ) 781{ 782 GLboolean *base = (GLboolean *) &ctx->Extensions; 783 GLboolean *sentinel = base + o(extension_sentinel); 784 GLboolean *i; 785 const size_t *j; 786 787 /* First, turn all extensions off. */ 788 for (i = base; i != sentinel; ++i) 789 *i = GL_FALSE; 790 791 /* Then, selectively turn default extensions on. */ 792 ctx->Extensions.dummy_true = GL_TRUE; 793 for (j = default_extensions; *j != 0; ++j) 794 base[*j] = GL_TRUE; 795} 796 797 798typedef unsigned short extension_index; 799 800 801/** 802 * Compare two entries of the extensions table. Sorts first by year, 803 * then by name. 804 * 805 * Arguments are indices into extension_table. 806 */ 807static int 808extension_compare(const void *p1, const void *p2) 809{ 810 extension_index i1 = * (const extension_index *) p1; 811 extension_index i2 = * (const extension_index *) p2; 812 const struct extension *e1 = &extension_table[i1]; 813 const struct extension *e2 = &extension_table[i2]; 814 int res; 815 816 res = (int)e1->year - (int)e2->year; 817 818 if (res == 0) { 819 res = strcmp(e1->name, e2->name); 820 } 821 822 return res; 823} 824 825 826/** 827 * Construct the GL_EXTENSIONS string. Called the first time that 828 * glGetString(GL_EXTENSIONS) is called. 829 */ 830GLubyte* 831_mesa_make_extension_string(struct gl_context *ctx) 832{ 833 /* The extension string. */ 834 char *exts = 0; 835 /* Length of extension string. */ 836 size_t length = 0; 837 /* Number of extensions */ 838 unsigned count; 839 /* Indices of the extensions sorted by year */ 840 extension_index *extension_indices; 841 /* String of extra extensions. */ 842 char *extra_extensions = get_extension_override(ctx); 843 GLboolean *base = (GLboolean *) &ctx->Extensions; 844 const struct extension *i; 845 unsigned j; 846 unsigned maxYear = ~0; 847 848 /* Check if the MESA_EXTENSION_MAX_YEAR env var is set */ 849 { 850 const char *env = getenv("MESA_EXTENSION_MAX_YEAR"); 851 if (env) { 852 maxYear = atoi(env); 853 _mesa_debug(ctx, "Note: limiting GL extensions to %u or earlier\n", 854 maxYear); 855 } 856 } 857 858 /* Compute length of the extension string. */ 859 count = 0; 860 for (i = extension_table; i->name != 0; ++i) { 861 if (base[i->offset] && 862 i->year <= maxYear && 863 (i->api_set & (1 << ctx->API))) { 864 length += strlen(i->name) + 1; /* +1 for space */ 865 ++count; 866 } 867 } 868 if (extra_extensions != NULL) 869 length += 1 + strlen(extra_extensions); /* +1 for space */ 870 871 exts = (char *) calloc(ALIGN(length + 1, 4), sizeof(char)); 872 if (exts == NULL) { 873 free(extra_extensions); 874 return NULL; 875 } 876 877 extension_indices = malloc(count * sizeof(extension_index)); 878 if (extension_indices == NULL) { 879 free(exts); 880 free(extra_extensions); 881 return NULL; 882 } 883 884 /* Sort extensions in chronological order because certain old applications (e.g., 885 * Quake3 demo) store the extension list in a static size buffer so chronologically 886 * order ensure that the extensions that such applications expect will fit into 887 * that buffer. 888 */ 889 j = 0; 890 for (i = extension_table; i->name != 0; ++i) { 891 if (base[i->offset] && 892 i->year <= maxYear && 893 (i->api_set & (1 << ctx->API))) { 894 extension_indices[j++] = i - extension_table; 895 } 896 } 897 assert(j == count); 898 qsort(extension_indices, count, sizeof *extension_indices, extension_compare); 899 900 /* Build the extension string.*/ 901 for (j = 0; j < count; ++j) { 902 i = &extension_table[extension_indices[j]]; 903 assert(base[i->offset] && (i->api_set & (1 << ctx->API))); 904 strcat(exts, i->name); 905 strcat(exts, " "); 906 } 907 free(extension_indices); 908 if (extra_extensions != 0) { 909 strcat(exts, extra_extensions); 910 free(extra_extensions); 911 } 912 913 return (GLubyte *) exts; 914} 915 916/** 917 * Return number of enabled extensions. 918 */ 919GLuint 920_mesa_get_extension_count(struct gl_context *ctx) 921{ 922 GLboolean *base; 923 const struct extension *i; 924 925 /* only count once */ 926 if (ctx->Extensions.Count != 0) 927 return ctx->Extensions.Count; 928 929 base = (GLboolean *) &ctx->Extensions; 930 for (i = extension_table; i->name != 0; ++i) { 931 if (base[i->offset]) { 932 ctx->Extensions.Count++; 933 } 934 } 935 return ctx->Extensions.Count; 936} 937 938/** 939 * Return name of i-th enabled extension 940 */ 941const GLubyte * 942_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index) 943{ 944 const GLboolean *base; 945 size_t n; 946 const struct extension *i; 947 948 base = (GLboolean*) &ctx->Extensions; 949 n = 0; 950 for (i = extension_table; i->name != 0; ++i) { 951 if (n == index && base[i->offset]) { 952 return (const GLubyte*) i->name; 953 } else if (base[i->offset]) { 954 ++n; 955 } 956 } 957 958 return NULL; 959} 960