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  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/version.h"
  29.  
  30. #include "intel_chipset.h"
  31. #include "intel_context.h"
  32. #include "intel_extensions.h"
  33. #include "intel_reg.h"
  34. #include "utils.h"
  35.  
  36. /**
  37.  * Initializes potential list of extensions if ctx == NULL, or actually enables
  38.  * extensions for a context.
  39.  */
  40. void
  41. intelInitExtensions(struct gl_context *ctx)
  42. {
  43.    struct intel_context *intel = intel_context(ctx);
  44.  
  45.    assert(intel->gen == 2 || intel->gen == 3);
  46.  
  47.    ctx->Extensions.ARB_draw_elements_base_vertex = true;
  48.    ctx->Extensions.ARB_explicit_attrib_location = true;
  49.    ctx->Extensions.ARB_framebuffer_object = true;
  50.    ctx->Extensions.ARB_half_float_pixel = true;
  51.    ctx->Extensions.ARB_internalformat_query = true;
  52.    ctx->Extensions.ARB_map_buffer_range = true;
  53.    ctx->Extensions.ARB_point_sprite = true;
  54.    ctx->Extensions.ARB_sync = true;
  55.    ctx->Extensions.ARB_texture_border_clamp = true;
  56.    ctx->Extensions.ARB_texture_cube_map = true;
  57.    ctx->Extensions.ARB_texture_env_combine = true;
  58.    ctx->Extensions.ARB_texture_env_crossbar = true;
  59.    ctx->Extensions.ARB_texture_env_dot3 = true;
  60.    ctx->Extensions.ARB_vertex_program = true;
  61.    ctx->Extensions.ARB_vertex_shader = true;
  62.    ctx->Extensions.EXT_blend_color = true;
  63.    ctx->Extensions.EXT_blend_equation_separate = true;
  64.    ctx->Extensions.EXT_blend_func_separate = true;
  65.    ctx->Extensions.EXT_blend_minmax = true;
  66.    ctx->Extensions.EXT_framebuffer_blit = true;
  67.    ctx->Extensions.EXT_gpu_program_parameters = true;
  68.    ctx->Extensions.EXT_packed_depth_stencil = true;
  69.    ctx->Extensions.EXT_pixel_buffer_object = true;
  70.    ctx->Extensions.EXT_point_parameters = true;
  71.    ctx->Extensions.EXT_provoking_vertex = true;
  72.    ctx->Extensions.EXT_separate_shader_objects = true;
  73.    ctx->Extensions.EXT_texture_env_dot3 = true;
  74.    ctx->Extensions.EXT_texture_filter_anisotropic = true;
  75.    ctx->Extensions.APPLE_object_purgeable = true;
  76.    ctx->Extensions.MESA_pack_invert = true;
  77.    ctx->Extensions.MESA_ycbcr_texture = true;
  78.    ctx->Extensions.NV_texture_rectangle = true;
  79.    ctx->Extensions.TDFX_texture_compression_FXT1 = true;
  80.    ctx->Extensions.OES_EGL_image = true;
  81.    ctx->Extensions.OES_draw_texture = true;
  82.  
  83.    ctx->Const.GLSLVersion = 120;
  84.    _mesa_override_glsl_version(ctx);
  85.  
  86.    if (intel->gen >= 3) {
  87.       ctx->Extensions.ARB_ES2_compatibility = true;
  88.       ctx->Extensions.ARB_depth_texture = true;
  89.       ctx->Extensions.ARB_fragment_program = true;
  90.       ctx->Extensions.ARB_shadow = true;
  91.       ctx->Extensions.ARB_texture_non_power_of_two = true;
  92.       ctx->Extensions.EXT_texture_sRGB = true;
  93.       ctx->Extensions.EXT_texture_sRGB_decode = true;
  94.       ctx->Extensions.EXT_stencil_two_side = true;
  95.       ctx->Extensions.ATI_separate_stencil = true;
  96.       ctx->Extensions.ATI_texture_env_combine3 = true;
  97.       ctx->Extensions.NV_texture_env_combine4 = true;
  98.       ctx->Extensions.ARB_fragment_shader = true;
  99.       ctx->Extensions.ARB_occlusion_query = true;
  100.    }
  101.  
  102.    if (intel->ctx.Mesa_DXTn
  103.        || driQueryOptionb(&intel->optionCache, "force_s3tc_enable"))
  104.       ctx->Extensions.EXT_texture_compression_s3tc = true;
  105.  
  106.    ctx->Extensions.ANGLE_texture_compression_dxt = true;
  107. }
  108.