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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/mfeatures.h"
     29 #include "main/version.h"
     30 
     31 #include "intel_chipset.h"
     32 #include "intel_context.h"
     33 #include "intel_extensions.h"
     34 #include "intel_reg.h"
     35 #include "utils.h"
     36 
     37 /**
     38  * Initializes potential list of extensions if ctx == NULL, or actually enables
     39  * extensions for a context.
     40  */
     41 void
     42 intelInitExtensions(struct gl_context *ctx)
     43 {
     44    struct intel_context *intel = intel_context(ctx);
     45 
     46    ctx->Extensions.ARB_draw_elements_base_vertex = true;
     47    ctx->Extensions.ARB_explicit_attrib_location = true;
     48    if (_mesa_is_desktop_gl(ctx))
     49       ctx->Extensions.ARB_framebuffer_object = true;
     50    ctx->Extensions.ARB_half_float_pixel = true;
     51    ctx->Extensions.ARB_map_buffer_range = true;
     52    ctx->Extensions.ARB_point_sprite = true;
     53    ctx->Extensions.ARB_shader_objects = true;
     54    ctx->Extensions.ARB_shading_language_100 = true;
     55    ctx->Extensions.ARB_sync = true;
     56    ctx->Extensions.ARB_texture_border_clamp = true;
     57    ctx->Extensions.ARB_texture_cube_map = true;
     58    ctx->Extensions.ARB_texture_env_combine = true;
     59    ctx->Extensions.ARB_texture_env_crossbar = true;
     60    ctx->Extensions.ARB_texture_env_dot3 = true;
     61    ctx->Extensions.ARB_texture_storage = true;
     62    ctx->Extensions.ARB_vertex_program = true;
     63    ctx->Extensions.ARB_vertex_shader = true;
     64    ctx->Extensions.EXT_blend_color = true;
     65    ctx->Extensions.EXT_blend_equation_separate = true;
     66    ctx->Extensions.EXT_blend_func_separate = true;
     67    ctx->Extensions.EXT_blend_minmax = true;
     68    ctx->Extensions.EXT_framebuffer_blit = true;
     69    ctx->Extensions.EXT_framebuffer_object = true;
     70    ctx->Extensions.EXT_framebuffer_multisample = true;
     71    ctx->Extensions.EXT_fog_coord = true;
     72    ctx->Extensions.EXT_gpu_program_parameters = true;
     73    ctx->Extensions.EXT_packed_depth_stencil = true;
     74    ctx->Extensions.EXT_pixel_buffer_object = true;
     75    ctx->Extensions.EXT_point_parameters = true;
     76    ctx->Extensions.EXT_provoking_vertex = true;
     77    ctx->Extensions.EXT_secondary_color = true;
     78    ctx->Extensions.EXT_separate_shader_objects = true;
     79    ctx->Extensions.EXT_texture_env_dot3 = true;
     80    ctx->Extensions.EXT_texture_filter_anisotropic = true;
     81    ctx->Extensions.APPLE_object_purgeable = true;
     82    ctx->Extensions.MESA_pack_invert = true;
     83    ctx->Extensions.MESA_ycbcr_texture = true;
     84    ctx->Extensions.NV_blend_square = true;
     85    ctx->Extensions.NV_texture_rectangle = true;
     86    ctx->Extensions.NV_vertex_program = true;
     87    ctx->Extensions.NV_vertex_program1_1 = true;
     88    ctx->Extensions.TDFX_texture_compression_FXT1 = true;
     89 #if FEATURE_OES_EGL_image
     90    ctx->Extensions.OES_EGL_image = true;
     91 #endif
     92    ctx->Extensions.OES_draw_texture = true;
     93    ctx->Extensions.OES_compressed_ETC1_RGB8_texture = true;
     94    ctx->Extensions.ARB_texture_rgb10_a2ui = true;
     95 
     96    if (intel->gen >= 6)
     97       if (ctx->API == API_OPENGL_CORE) {
     98          ctx->Const.GLSLVersion = 140;
     99       } else {
    100          ctx->Const.GLSLVersion = 130;
    101       }
    102    else
    103       ctx->Const.GLSLVersion = 120;
    104    _mesa_override_glsl_version(ctx);
    105 
    106    if (intel->gen == 6 ||
    107        (intel->gen == 7 && intel->intelScreen->kernel_has_gen7_sol_reset))
    108       ctx->Extensions.EXT_transform_feedback = true;
    109 
    110    if (intel->gen >= 6) {
    111       ctx->Extensions.ARB_blend_func_extended = !driQueryOptionb(&intel->optionCache, "disable_blend_func_extended");
    112       ctx->Extensions.ARB_draw_buffers_blend = true;
    113       ctx->Extensions.ARB_uniform_buffer_object = true;
    114 
    115       if (ctx->API == API_OPENGL_CORE) {
    116          ctx->Extensions.ARB_texture_buffer_object = true;
    117       }
    118    }
    119 
    120    if (intel->gen >= 5)
    121       ctx->Extensions.EXT_timer_query = true;
    122 
    123    if (intel->gen >= 6) {
    124       uint64_t dummy;
    125       /* Test if the kernel has the ioctl. */
    126       if (drm_intel_reg_read(intel->bufmgr, TIMESTAMP, &dummy) == 0)
    127          ctx->Extensions.ARB_timer_query = true;
    128    }
    129 
    130    if (intel->gen >= 4) {
    131       ctx->Extensions.ARB_color_buffer_float = true;
    132       ctx->Extensions.ARB_depth_buffer_float = true;
    133       ctx->Extensions.ARB_depth_clamp = true;
    134       ctx->Extensions.ARB_draw_instanced = true;
    135       ctx->Extensions.ARB_instanced_arrays = true;
    136       ctx->Extensions.ARB_fragment_coord_conventions = true;
    137       ctx->Extensions.ARB_fragment_program_shadow = true;
    138       ctx->Extensions.ARB_fragment_shader = true;
    139       ctx->Extensions.ARB_half_float_vertex = true;
    140       ctx->Extensions.ARB_occlusion_query = true;
    141       ctx->Extensions.ARB_occlusion_query2 = true;
    142       ctx->Extensions.ARB_point_sprite = true;
    143       ctx->Extensions.ARB_seamless_cube_map = true;
    144       ctx->Extensions.ARB_shader_bit_encoding = true;
    145       ctx->Extensions.ARB_shader_texture_lod = true;
    146 #ifdef TEXTURE_FLOAT_ENABLED
    147       ctx->Extensions.ARB_texture_float = true;
    148       ctx->Extensions.EXT_texture_shared_exponent = true;
    149       ctx->Extensions.EXT_packed_float = true;
    150 #endif
    151       ctx->Extensions.ARB_texture_compression_rgtc = true;
    152       ctx->Extensions.ARB_texture_rg = true;
    153       ctx->Extensions.EXT_draw_buffers2 = true;
    154       ctx->Extensions.EXT_framebuffer_sRGB = true;
    155       ctx->Extensions.EXT_texture_array = true;
    156       ctx->Extensions.EXT_texture_integer = true;
    157       ctx->Extensions.EXT_texture_snorm = true;
    158       ctx->Extensions.EXT_texture_sRGB = true;
    159       ctx->Extensions.EXT_texture_sRGB_decode = true;
    160       ctx->Extensions.EXT_texture_swizzle = true;
    161       ctx->Extensions.EXT_vertex_array_bgra = true;
    162       ctx->Extensions.ATI_envmap_bumpmap = true;
    163       ctx->Extensions.MESA_texture_array = true;
    164       ctx->Extensions.NV_conditional_render = true;
    165    }
    166 
    167    if (intel->gen >= 3) {
    168       ctx->Extensions.ARB_ES2_compatibility = true;
    169       ctx->Extensions.ARB_depth_texture = true;
    170       ctx->Extensions.ARB_fragment_program = true;
    171       ctx->Extensions.ARB_shadow = true;
    172       ctx->Extensions.ARB_texture_non_power_of_two = true;
    173       ctx->Extensions.EXT_shadow_funcs = true;
    174       ctx->Extensions.EXT_stencil_two_side = true;
    175       ctx->Extensions.ATI_separate_stencil = true;
    176       ctx->Extensions.ATI_texture_env_combine3 = true;
    177       ctx->Extensions.NV_texture_env_combine4 = true;
    178 
    179       if (driQueryOptionb(&intel->optionCache, "fragment_shader"))
    180 	 ctx->Extensions.ARB_fragment_shader = true;
    181 
    182       if (driQueryOptionb(&intel->optionCache, "stub_occlusion_query"))
    183 	 ctx->Extensions.ARB_occlusion_query = true;
    184    }
    185 
    186    if (intel->ctx.Mesa_DXTn) {
    187       ctx->Extensions.EXT_texture_compression_s3tc = true;
    188       ctx->Extensions.S3_s3tc = true;
    189    }
    190    else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) {
    191       ctx->Extensions.EXT_texture_compression_s3tc = true;
    192    }
    193 
    194    if (intel->gen >= 4) {
    195       ctx->Extensions.NV_primitive_restart = true;
    196    }
    197 }
    198