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_context.h"
  32 #include "intel_extensions.h"
  33
  34 static const char *common_extensions[] = {
  35    /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
  36    "GL_ARB_transpose_matrix",
  37    "GL_ARB_window_pos",
  38    "GL_EXT_blend_func_separate",
  39    "GL_EXT_compiled_vertex_array",
  40    "GL_EXT_framebuffer_blit",
  41    "GL_IBM_multimode_draw_arrays",
  42    "GL_MESA_window_pos",
  43    "GL_NV_vertex_program",
  44
  45    /* Optional GLES1 or GLES2 */
  46 #if FEATURE_OES_EGL_image
  47    "GL_OES_EGL_image",
  48 #endif
  49    "GL_EXT_texture_filter_anisotropic",
  50    "GL_EXT_packed_depth_stencil",
  51    "GL_EXT_blend_minmax",
  52
  53    NULL
  54 };
  55
  56 static const char *es1_extensions[] = {
  57    /* Required by GLES1 */
  58    "GL_ARB_multitexture",
  59    "GL_ARB_texture_env_add",
  60    "GL_ARB_texture_env_combine",
  61    "GL_ARB_texture_env_dot3",
  62    "GL_ARB_point_parameters",
  63
  64    /* Optional GLES1 */
  65    "GL_EXT_blend_equation_separate",
  66    "GL_EXT_blend_func_separate",
  67    "GL_EXT_blend_subtract",
  68    "GL_OES_draw_texture",
  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_depth_texture",
  95    "GL_EXT_framebuffer_object",
  96
  97    NULL,
  98 };
  99
 100 void
 101 intelInitExtensionsES1(struct gl_context *ctx)
 102 {
 103    int i;
 104
 105    for (i = 0; common_extensions[i]; i++)
 106       _mesa_enable_extension(ctx, common_extensions[i]);
 107    for (i = 0; es1_extensions[i]; i++)
 108       _mesa_enable_extension(ctx, es1_extensions[i]);
 109 }
 110
 111 /**
 112  * Initializes potential list of extensions if ctx == NULL, or actually enables
 113  * extensions for a context.
 114  */
 115 void
 116 intelInitExtensionsES2(struct gl_context *ctx)
 117 {
 118    int i;
 119    struct intel_context *intel = intel_context(ctx);
 120
 121    for (i = 0; common_extensions[i]; i++)
 122       _mesa_enable_extension(ctx, common_extensions[i]);
 123    for (i = 0; es2_extensions[i]; i++)
 124       _mesa_enable_extension(ctx, es2_extensions[i]);
 125
 126    /* This extension must be manually disabled on GEN3 because it may have
 127     * been enabled by default.
 128     */
 129    if (intel->gen < 4) {
 130       ctx->Extensions.OES_standard_derivatives = false;
 131    }
 132 }