gl/mesa/src/mesa/main/mfeatures.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.1
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 /**
  27  * \file mfeatures.h
  28  * Flags to enable/disable specific parts of the API.
  29  */
  30
  31 #ifndef FEATURES_H
  32 #define FEATURES_H
  33
  34
  35 #ifndef _HAVE_FULL_GL
  36 #define _HAVE_FULL_GL 1
  37 #endif
  38
  39 /* assert that a feature is disabled and should never be used */
  40 #define ASSERT_NO_FEATURE() ASSERT(0)
  41
  42 /**
  43  * A feature can be anything.  But most of them share certain characteristics.
  44  *
  45  * When a feature defines vtxfmt entries, they can be initialized and
  46  * installed by
  47  *   _MESA_INIT_<FEATURE>_VTXFMT
  48  *   _mesa_install_<feature>_vtxfmt
  49  *
  50  * When a feature defines dispatch entries, they are initialized by
  51  *   _mesa_init_<feature>_dispatch
  52  *
  53  * When a feature has states, they are initialized and freed by
  54  *   _mesa_init_<feature>
  55  *   _mesa_free_<feature>_data
  56  *
  57  * Except for states, the others compile to no-op when a feature is disabled.
  58  *
  59  * The GLAPIENTRYs and helper functions defined by a feature should also
  60  * compile to no-op when it is disabled.  But to save typings and to catch
  61  * bugs, some of them may be unavailable, or compile to ASSERT_NO_FEATURE()
  62  * when the feature is disabled.
  63  *
  64  * A feature following the conventions may be used without knowing if it is
  65  * enabled or not.
  66  */
  67
  68 #ifndef FEATURE_ES1
  69 #define FEATURE_ES1 0
  70 #endif
  71 #ifndef FEATURE_ES2
  72 #define FEATURE_ES2 0
  73 #endif
  74
  75 #define FEATURE_ES (FEATURE_ES1 || FEATURE_ES2)
  76
  77 #ifndef FEATURE_GL
  78 #define FEATURE_GL !FEATURE_ES
  79 #endif
  80
  81 #if defined(IN_DRI_DRIVER) || (FEATURE_GL + FEATURE_ES1 + FEATURE_ES2 > 1)
  82 #define FEATURE_remap_table               1
  83 #else
  84 #define FEATURE_remap_table               0
  85 #endif
  86
  87 #define FEATURE_dispatch                  1
  88 #define FEATURE_texgen                    1
  89 #define FEATURE_userclip                  1
  90
  91 #define FEATURE_accum                     FEATURE_GL
  92 #define FEATURE_arrayelt                  FEATURE_GL
  93 #define FEATURE_attrib_stack              FEATURE_GL
  94 /* this disables vtxfmt, api_loopback, and api_noop completely */
  95 #define FEATURE_beginend                  FEATURE_GL
  96 #define FEATURE_colortable                FEATURE_GL
  97 #define FEATURE_convolve                  FEATURE_GL
  98 #define FEATURE_dlist                     (FEATURE_GL && FEATURE_arrayelt && FEATURE_beginend)
  99 #define FEATURE_draw_read_buffer          FEATURE_GL
 100 #define FEATURE_drawpix                   FEATURE_GL
 101 #define FEATURE_evaluators                FEATURE_GL
 102 #define FEATURE_feedback                  FEATURE_GL
 103 #define FEATURE_pixel_transfer            FEATURE_GL
 104 #define FEATURE_queryobj                  FEATURE_GL
 105 #define FEATURE_rastpos                   FEATURE_GL
 106 #define FEATURE_texture_fxt1              FEATURE_GL
 107 #define FEATURE_texture_s3tc              FEATURE_GL
 108
 109 #define FEATURE_extra_context_init        FEATURE_ES
 110 #define FEATURE_point_size_array          FEATURE_ES
 111
 112 #define FEATURE_es2_glsl                  FEATURE_ES2
 113
 114 #define FEATURE_ARB_fragment_program      1
 115 #define FEATURE_ARB_vertex_program        1
 116 #define FEATURE_ARB_vertex_shader         1
 117 #define FEATURE_ARB_fragment_shader       1
 118 #define FEATURE_ARB_shader_objects        (FEATURE_ARB_vertex_shader || FEATURE_ARB_fragment_shader)
 119 #define FEATURE_ARB_shading_language_100  FEATURE_ARB_shader_objects
 120 #define FEATURE_ARB_geometry_shader4      FEATURE_ARB_shader_objects
 121
 122 #define FEATURE_ARB_framebuffer_object    (FEATURE_GL && FEATURE_EXT_framebuffer_object)
 123 #define FEATURE_ARB_map_buffer_range      FEATURE_GL
 124 #define FEATURE_ARB_pixel_buffer_object   (FEATURE_GL && FEATURE_EXT_pixel_buffer_object)
 125 #define FEATURE_ARB_sampler_objects       FEATURE_GL
 126 #define FEATURE_ARB_sync                  FEATURE_GL
 127
 128 #define FEATURE_EXT_framebuffer_blit      FEATURE_GL
 129 #define FEATURE_EXT_framebuffer_object    1
 130 #define FEATURE_EXT_pixel_buffer_object   1
 131 #define FEATURE_EXT_texture_sRGB          FEATURE_GL
 132 #define FEATURE_EXT_transform_feedback    FEATURE_GL
 133
 134 #define FEATURE_APPLE_object_purgeable    FEATURE_GL
 135 #define FEATURE_ATI_fragment_shader       FEATURE_GL
 136 #define FEATURE_NV_fence                  FEATURE_GL
 137 #define FEATURE_NV_fragment_program       FEATURE_GL
 138 #define FEATURE_NV_vertex_program         FEATURE_GL
 139
 140 #define FEATURE_OES_EGL_image             1
 141 #define FEATURE_OES_draw_texture          FEATURE_ES1
 142 #define FEATURE_OES_framebuffer_object    FEATURE_ES
 143 #define FEATURE_OES_mapbuffer             FEATURE_ES
 144
 145 #endif /* FEATURES_H */