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 *es2_extensions[] = {
  34    /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
  35    "GL_ARB_draw_buffers",
  36    "GL_ARB_multisample",
  37    "GL_ARB_texture_compression",
  38    "GL_ARB_transpose_matrix",
  39    "GL_ARB_vertex_buffer_object",
  40    "GL_ARB_window_pos",
  41    "GL_EXT_blend_func_separate",
  42    "GL_EXT_compiled_vertex_array",
  43    "GL_EXT_framebuffer_blit",
  44    "GL_EXT_multi_draw_arrays",
  45    "GL_EXT_polygon_offset",
  46    "GL_EXT_texture_object",
  47    "GL_EXT_vertex_array",
  48    "GL_IBM_multimode_draw_arrays",
  49    "GL_MESA_window_pos",
  50    "GL_NV_vertex_program",
  51
  52    /* Required by GLES2 */
  53    "GL_ARB_fragment_program",
  54    "GL_ARB_fragment_shader",
  55    "GL_ARB_multitexture",
  56    "GL_ARB_shader_objects",
  57    "GL_ARB_texture_cube_map",
  58    "GL_ARB_texture_mirrored_repeat",
  59    "GL_ARB_texture_non_power_of_two",
  60    "GL_ARB_vertex_shader",
  61    "GL_EXT_blend_color",
  62    "GL_EXT_blend_equation_separate",
  63    "GL_EXT_blend_minmax",
  64    "GL_EXT_blend_subtract",
  65    "GL_EXT_stencil_wrap",
  66    "GL_NV_blend_square",
  67
  68    /* Optional GLES2 */
  69    "GL_ARB_framebuffer_object",
  70    "GL_EXT_texture_filter_anisotropic",
  71    "GL_ARB_depth_texture",
  72    "GL_EXT_packed_depth_stencil",
  73    "GL_EXT_framebuffer_object",
  74    "GL_EXT_texture_format_BGRA8888",
  75
  76 #if FEATURE_OES_EGL_image
  77    "GL_OES_EGL_image",
  78 #endif
  79
  80    NULL,
  81 };
  82
  83 /**
  84  * \brief Extensions to disable.
  85  *
  86  * These extensions must be manually disabled because they may have been
  87  * enabled by default.
  88  */
  89 static const char* es2_extensions_disabled[] = {
  90    "GL_OES_standard_derivatives",
  91    NULL,
  92 };
  93
  94 /**
  95  * Initializes potential list of extensions if ctx == NULL, or actually enables
  96  * extensions for a context.
  97  */
  98 void
  99 intelInitExtensionsES2(struct gl_context *ctx)
 100 {
 101    int i;
 102
 103    /* Can't use driInitExtensions() since it uses extensions from
 104     * main/remap_helper.h when called the first time. */
 105
 106    for (i = 0; es2_extensions[i]; i++)
 107       _mesa_enable_extension(ctx, es2_extensions[i]);
 108    for (i = 0; es2_extensions_disabled[i]; i++)
 109       _mesa_disable_extension(ctx, es2_extensions_disabled[i]);
 110 }