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_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    /* Optional GLES1 or GLES2 */
  53 #if FEATURE_OES_EGL_image
  54    "GL_OES_EGL_image",
  55 #endif
  56    "GL_EXT_texture_filter_anisotropic",
  57    "GL_EXT_packed_depth_stencil",
  58    "GL_EXT_texture_format_BGRA8888",
  59    "GL_EXT_blend_minmax",
  60
  61    NULL
  62 };
  63
  64 static const char *es1_extensions[] = {
  65    /* Required by GLES1 */
  66    "GL_ARB_multitexture",
  67    "GL_ARB_texture_env_add",
  68    "GL_ARB_texture_env_combine",
  69    "GL_ARB_texture_env_dot3",
  70    "GL_ARB_point_parameters",
  71
  72    /* Optional GLES1 */
  73    "GL_EXT_blend_equation_separate",
  74    "GL_EXT_blend_func_separate",
  75    "GL_EXT_blend_subtract",
  76    "GL_ARB_framebuffer_object",
  77    "GL_EXT_framebuffer_object",
  78    "GL_ARB_point_sprite",
  79    "GL_EXT_stencil_wrap",
  80    "GL_ARB_texture_cube_map",
  81    "GL_ARB_texture_env_crossbar",
  82    "GL_ARB_texture_mirrored_repeat",
  83    "GL_EXT_texture_lod_bias",
  84
  85    NULL
  86 };
  87
  88 static const char *es2_extensions[] = {
  89    /* Required by GLES2 */
  90    "GL_ARB_fragment_program",
  91    "GL_ARB_fragment_shader",
  92    "GL_ARB_multitexture",
  93    "GL_ARB_shader_objects",
  94    "GL_ARB_texture_cube_map",
  95    "GL_ARB_texture_mirrored_repeat",
  96    "GL_ARB_texture_non_power_of_two",
  97    "GL_ARB_vertex_shader",
  98    "GL_EXT_blend_color",
  99    "GL_EXT_blend_equation_separate",
 100    "GL_EXT_blend_minmax",
 101    "GL_EXT_blend_subtract",
 102    "GL_EXT_stencil_wrap",
 103    "GL_NV_blend_square",
 104
 105    /* Optional GLES2 */
 106    "GL_ARB_framebuffer_object",
 107    "GL_ARB_depth_texture",
 108    "GL_EXT_framebuffer_object",
 109
 110    NULL,
 111 };
 112
 113 void
 114 intelInitExtensionsES1(struct gl_context *ctx)
 115 {
 116    int i;
 117
 118    /* Can't use driInitExtensions() since it uses extensions from
 119     * main/remap_helper.h when called the first time. */
 120
 121    for (i = 0; common_extensions[i]; i++)
 122       _mesa_enable_extension(ctx, common_extensions[i]);
 123    for (i = 0; es1_extensions[i]; i++)
 124       _mesa_enable_extension(ctx, es1_extensions[i]);
 125 }
 126
 127 /**
 128  * \brief Extensions to disable.
 129  *
 130  * These extensions must be manually disabled because they may have been
 131  * enabled by default.
 132  */
 133 static const char* es2_extensions_disabled[] = {
 134    "GL_OES_standard_derivatives",
 135    NULL,
 136 };
 137
 138 /**
 139  * Initializes potential list of extensions if ctx == NULL, or actually enables
 140  * extensions for a context.
 141  */
 142 void
 143 intelInitExtensionsES2(struct gl_context *ctx)
 144 {
 145    int i;
 146
 147    /* Can't use driInitExtensions() since it uses extensions from
 148     * main/remap_helper.h when called the first time. */
 149
 150    for (i = 0; common_extensions[i]; i++)
 151       _mesa_enable_extension(ctx, common_extensions[i]);
 152    for (i = 0; es2_extensions[i]; i++)
 153       _mesa_enable_extension(ctx, es2_extensions[i]);
 154    for (i = 0; es2_extensions_disabled[i]; i++)
 155       _mesa_disable_extension(ctx, es2_extensions_disabled[i]);
 156 }