src/mesa/drivers/dri/intel/intel_extensions_es.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * 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
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "main/extensions.h"
  29 #include "main/mfeatures.h"
  30
  31 #include "intel_extensions.h"
  32
  33 static const char *common_extensions[] = {
  34    /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
  35    "GL_ARB_transpose_matrix",
  36    "GL_ARB_window_pos",
  37    "GL_EXT_blend_func_separate",
  38    "GL_EXT_compiled_vertex_array",
  39    "GL_EXT_framebuffer_blit",
  40    "GL_IBM_multimode_draw_arrays",
  41    "GL_MESA_window_pos",
  42    "GL_NV_vertex_program",
  43
  44    /* Optional GLES1 or GLES2 */
  45 #if FEATURE_OES_EGL_image
  46    "GL_OES_EGL_image",
  47 #endif
  48    "GL_EXT_texture_filter_anisotropic",
  49    "GL_EXT_packed_depth_stencil",
  50    "GL_EXT_blend_minmax",
  51
  52    NULL
  53 };
  54
  55 static const char *es1_extensions[] = {
  56    /* Required by GLES1 */
  57    "GL_ARB_multitexture",
  58    "GL_ARB_texture_env_add",
  59    "GL_ARB_texture_env_combine",
  60    "GL_ARB_texture_env_dot3",
  61    "GL_ARB_point_parameters",
  62
  63    /* Optional GLES1 */
  64    "GL_EXT_blend_equation_separate",
  65    "GL_EXT_blend_func_separate",
  66    "GL_EXT_blend_subtract",
  67    "GL_OES_draw_texture",
  68    "GL_ARB_framebuffer_object",
  69    "GL_EXT_framebuffer_object",
  70    "GL_ARB_point_sprite",
  71    "GL_EXT_stencil_wrap",
  72    "GL_ARB_texture_cube_map",
  73    "GL_ARB_texture_env_crossbar",
  74    "GL_ARB_texture_mirrored_repeat",
  75    "GL_EXT_texture_lod_bias",
  76
  77    NULL
  78 };
  79
  80 static const char *es2_extensions[] = {
  81    /* Required by GLES2 */
  82    "GL_ARB_fragment_program",
  83    "GL_ARB_fragment_shader",
  84    "GL_ARB_shader_objects",
  85    "GL_ARB_texture_cube_map",
  86    "GL_ARB_texture_non_power_of_two",
  87    "GL_ARB_vertex_shader",
  88    "GL_EXT_blend_color",
  89    "GL_EXT_blend_equation_separate",
  90    "GL_EXT_blend_minmax",
  91    "GL_NV_blend_square",
  92
  93    /* Optional GLES2 */
  94    "GL_ARB_framebuffer_object",
  95    "GL_ARB_depth_texture",
  96    "GL_EXT_framebuffer_object",
  97
  98    NULL,
  99 };
 100
 101 void
 102 intelInitExtensionsES1(struct gl_context *ctx)
 103 {
 104    int i;
 105
 106    for (i = 0; common_extensions[i]; i++)
 107       _mesa_enable_extension(ctx, common_extensions[i]);
 108    for (i = 0; es1_extensions[i]; i++)
 109       _mesa_enable_extension(ctx, es1_extensions[i]);
 110 }
 111
 112 /**
 113  * \brief Extensions to disable.
 114  *
 115  * These extensions must be manually disabled because they may have been
 116  * enabled by default.
 117  */
 118 static const char* es2_extensions_disabled[] = {
 119    "GL_OES_standard_derivatives",
 120    NULL,
 121 };
 122
 123 /**
 124  * Initializes potential list of extensions if ctx == NULL, or actually enables
 125  * extensions for a context.
 126  */
 127 void
 128 intelInitExtensionsES2(struct gl_context *ctx)
 129 {
 130    int i;
 131
 132    for (i = 0; common_extensions[i]; i++)
 133       _mesa_enable_extension(ctx, common_extensions[i]);
 134    for (i = 0; es2_extensions[i]; i++)
 135       _mesa_enable_extension(ctx, es2_extensions[i]);
 136    for (i = 0; es2_extensions_disabled[i]; i++)
 137       _mesa_disable_extension(ctx, es2_extensions_disabled[i]);
 138 }