mesa: remove APPLE_packed_pixels extension enable flag
[mesa.git] / src / mesa / main / extensions.c
index 9e357cd09ec0132f468fb0392dae32c1a2834631..cc5ec983ef4a68dae2f3cdeff8afb2486262b7c4 100644 (file)
@@ -83,7 +83,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_base_instance",                       o(ARB_base_instance),                       GL,             2011 },
    { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL,             2009 },
    { "GL_ARB_color_buffer_float",                  o(ARB_color_buffer_float),                  GL,             2004 },
-   { "GL_ARB_copy_buffer",                         o(ARB_copy_buffer),                         GL,             2008 },
+   { "GL_ARB_copy_buffer",                         o(dummy_true),                              GL,             2008 },
    { "GL_ARB_conservative_depth",                  o(ARB_conservative_depth),                  GL,             2011 },
    { "GL_ARB_debug_output",                        o(dummy_true),                              GL,             2009 },
    { "GL_ARB_depth_buffer_float",                  o(ARB_depth_buffer_float),                  GL,             2008 },
@@ -104,6 +104,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL,             2008 },
    { "GL_ARB_instanced_arrays",                    o(ARB_instanced_arrays),                    GL,             2008 },
    { "GL_ARB_invalidate_subdata",                  o(dummy_true),                              GL,             2012 },
+   { "GL_ARB_map_buffer_alignment",                o(ARB_map_buffer_alignment),                GL,             2011 },
    { "GL_ARB_map_buffer_range",                    o(ARB_map_buffer_range),                    GL,             2008 },
    { "GL_ARB_multisample",                         o(dummy_true),                              GLL,            1994 },
    { "GL_ARB_multitexture",                        o(dummy_true),                              GLL,            1998 },
@@ -145,15 +146,15 @@ static const struct extension extension_table[] = {
    { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL,             2010 },
    { "GL_ARB_transform_feedback3",                 o(ARB_transform_feedback3),                 GL,             2010 },
    { "GL_ARB_transform_feedback_instanced",        o(ARB_transform_feedback_instanced),        GL,             2011 },
-   { "GL_ARB_transpose_matrix",                    o(ARB_transpose_matrix),                    GLL,            1999 },
+   { "GL_ARB_transpose_matrix",                    o(dummy_true),                              GLL,            1999 },
    { "GL_ARB_uniform_buffer_object",               o(ARB_uniform_buffer_object),               GL,             2009 },
    { "GL_ARB_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL,             2008 },
-   { "GL_ARB_vertex_array_object",                 o(ARB_vertex_array_object),                 GL,             2006 },
+   { "GL_ARB_vertex_array_object",                 o(dummy_true),                              GL,             2006 },
    { "GL_ARB_vertex_buffer_object",                o(dummy_true),                              GLL,            2003 },
    { "GL_ARB_vertex_program",                      o(ARB_vertex_program),                      GLL,            2002 },
    { "GL_ARB_vertex_shader",                       o(ARB_vertex_shader),                       GL,             2002 },
    { "GL_ARB_vertex_type_2_10_10_10_rev",          o(ARB_vertex_type_2_10_10_10_rev),          GL,             2009 },
-   { "GL_ARB_window_pos",                          o(ARB_window_pos),                          GLL,            2001 },
+   { "GL_ARB_window_pos",                          o(dummy_true),                              GLL,            2001 },
    /* EXT extensions */
    { "GL_EXT_abgr",                                o(dummy_true),                              GL,             1995 },
    { "GL_EXT_bgra",                                o(dummy_true),                              GLL,            1995 },
@@ -163,12 +164,12 @@ static const struct extension extension_table[] = {
    { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GLL | ES1 | ES2, 1995 },
    { "GL_EXT_blend_subtract",                      o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_clip_volume_hint",                    o(EXT_clip_volume_hint),                    GL,             1996 },
-   { "GL_EXT_compiled_vertex_array",               o(EXT_compiled_vertex_array),               GLL,            1996 },
+   { "GL_EXT_compiled_vertex_array",               o(dummy_true),                              GLL,            1996 },
    { "GL_EXT_copy_texture",                        o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_depth_bounds_test",                   o(EXT_depth_bounds_test),                   GL,             2002 },
    { "GL_EXT_draw_buffers2",                       o(EXT_draw_buffers2),                       GL,             2006 },
    { "GL_EXT_draw_instanced",                      o(ARB_draw_instanced),                      GL,             2006 },
-   { "GL_EXT_draw_range_elements",                 o(EXT_draw_range_elements),                 GLL,            1997 },
+   { "GL_EXT_draw_range_elements",                 o(dummy_true),                              GLL,            1997 },
    { "GL_EXT_fog_coord",                           o(EXT_fog_coord),                           GLL,            1999 },
    { "GL_EXT_framebuffer_blit",                    o(EXT_framebuffer_blit),                    GL,             2005 },
    { "GL_EXT_framebuffer_multisample",             o(EXT_framebuffer_multisample),             GL,             2005 },
@@ -176,18 +177,19 @@ static const struct extension extension_table[] = {
    { "GL_EXT_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL,             1998 },
    { "GL_EXT_gpu_program_parameters",              o(EXT_gpu_program_parameters),              GLL,            2006 },
    { "GL_EXT_gpu_shader4",                         o(EXT_gpu_shader4),                         GL,             2006 },
+   { "GL_EXT_map_buffer_range",                    o(ARB_map_buffer_range),                          ES1 | ES2, 2012 },
    { "GL_EXT_multi_draw_arrays",                   o(dummy_true),                              GLL | ES1 | ES2, 1999 },
    { "GL_EXT_packed_depth_stencil",                o(EXT_packed_depth_stencil),                GL,             2005 },
    { "GL_EXT_packed_float",                        o(EXT_packed_float),                        GL,             2004 },
-   { "GL_EXT_packed_pixels",                       o(EXT_packed_pixels),                       GLL,            1997 },
+   { "GL_EXT_packed_pixels",                       o(dummy_true),                              GLL,            1997 },
    { "GL_EXT_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL,             2004 },
    { "GL_EXT_point_parameters",                    o(EXT_point_parameters),                    GLL,            1997 },
    { "GL_EXT_polygon_offset",                      o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_provoking_vertex",                    o(EXT_provoking_vertex),                    GL,             2009 },
-   { "GL_EXT_rescale_normal",                      o(EXT_rescale_normal),                      GLL,            1997 },
+   { "GL_EXT_rescale_normal",                      o(dummy_true),                              GLL,            1997 },
    { "GL_EXT_secondary_color",                     o(EXT_secondary_color),                     GLL,            1999 },
    { "GL_EXT_separate_shader_objects",             o(EXT_separate_shader_objects),             GLL,            2008 },
-   { "GL_EXT_separate_specular_color",             o(EXT_separate_specular_color),             GLL,            1997 },
+   { "GL_EXT_separate_specular_color",             o(dummy_true),                              GLL,            1997 },
    { "GL_EXT_shadow_funcs",                        o(EXT_shadow_funcs),                        GLL,            2002 },
    { "GL_EXT_stencil_two_side",                    o(EXT_stencil_two_side),                    GLL,            2001 },
    { "GL_EXT_stencil_wrap",                        o(dummy_true),                              GLL,            2002 },
@@ -195,6 +197,8 @@ static const struct extension extension_table[] = {
    { "GL_EXT_texture3D",                           o(EXT_texture3D),                           GLL,            1996 },
    { "GL_EXT_texture_array",                       o(EXT_texture_array),                       GL,             2006 },
    { "GL_EXT_texture_compression_dxt1",            o(EXT_texture_compression_s3tc),            GL | ES1 | ES2, 2004 },
+   { "GL_ANGLE_texture_compression_dxt3",          o(ANGLE_texture_compression_dxt),           ES2,            2011 },
+   { "GL_ANGLE_texture_compression_dxt5",          o(ANGLE_texture_compression_dxt),           ES2,            2011 },
    { "GL_EXT_texture_compression_latc",            o(EXT_texture_compression_latc),            GL,             2006 },
    { "GL_EXT_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL,             2004 },
    { "GL_EXT_texture_compression_s3tc",            o(EXT_texture_compression_s3tc),            GL,             2000 },
@@ -235,14 +239,10 @@ static const struct extension extension_table[] = {
    { "GL_OES_depth24",                             o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
    { "GL_OES_depth32",                             o(dummy_false),                     DISABLE,                2005 },
    { "GL_OES_depth_texture",                       o(ARB_depth_texture),                                  ES2, 2006 },
-#if FEATURE_OES_draw_texture
    { "GL_OES_draw_texture",                        o(OES_draw_texture),                             ES1,       2004 },
-#endif
-#if FEATURE_OES_EGL_image
    /*  FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
    { "GL_OES_EGL_image",                           o(OES_EGL_image),                           GL | ES1 | ES2, 2006 },
    { "GL_OES_EGL_image_external",                  o(OES_EGL_image_external),                       ES1 | ES2, 2010 },
-#endif
    { "GL_OES_element_index_uint",                  o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_fbo_render_mipmap",                   o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
    { "GL_OES_fixed_point",                         o(dummy_true),                                   ES1,       2002 },
@@ -266,6 +266,7 @@ static const struct extension extension_table[] = {
    { "GL_OES_texture_env_crossbar",                o(ARB_texture_env_crossbar),                     ES1,       2005 },
    { "GL_OES_texture_mirrored_repeat",             o(dummy_true),                                   ES1,       2005 },
    { "GL_OES_texture_npot",                        o(ARB_texture_non_power_of_two),                       ES2, 2005 },
+   { "GL_OES_vertex_array_object",                 o(dummy_true),                                   ES1 | ES2, 2010 },
 
    /* Vendor extensions */
    { "GL_3DFX_texture_compression_FXT1",           o(TDFX_texture_compression_FXT1),           GL,             1999 },
@@ -274,8 +275,9 @@ static const struct extension extension_table[] = {
    { "GL_AMD_seamless_cubemap_per_texture",        o(AMD_seamless_cubemap_per_texture),        GL,             2009 },
    { "GL_AMD_shader_stencil_export",               o(ARB_shader_stencil_export),               GL,             2009 },
    { "GL_APPLE_object_purgeable",                  o(APPLE_object_purgeable),                  GL,             2006 },
-   { "GL_APPLE_packed_pixels",                     o(APPLE_packed_pixels),                     GLL,            2002 },
-   { "GL_APPLE_vertex_array_object",               o(APPLE_vertex_array_object),               GLL,            2002 },
+   { "GL_APPLE_packed_pixels",                     o(dummy_true),                              GLL,            2002 },
+   { "GL_APPLE_texture_max_level",                 o(dummy_true),                                   ES1 | ES2, 2009 },
+   { "GL_APPLE_vertex_array_object",               o(dummy_true),                              GLL,            2002 },
    { "GL_ATI_blend_equation_separate",             o(EXT_blend_equation_separate),             GL,             2003 },
    { "GL_ATI_draw_buffers",                        o(dummy_true),                              GLL,            2002 },
    { "GL_ATI_envmap_bumpmap",                      o(ATI_envmap_bumpmap),                      GLL,            2001 },
@@ -293,7 +295,7 @@ static const struct extension extension_table[] = {
    { "GL_MESA_resize_buffers",                     o(MESA_resize_buffers),                     GL,             1999 },
    { "GL_MESA_texture_array",                      o(MESA_texture_array),                      GLL,            2007 },
    { "GL_MESA_texture_signed_rgba",                o(EXT_texture_snorm),                       GL,             2009 },
-   { "GL_MESA_window_pos",                         o(ARB_window_pos),                          GLL,            2000 },
+   { "GL_MESA_window_pos",                         o(dummy_true),                              GLL,            2000 },
    { "GL_MESA_ycbcr_texture",                      o(MESA_ycbcr_texture),                      GL,             2002 },
    { "GL_NV_blend_square",                         o(NV_blend_square),                         GLL,            1999 },
    { "GL_NV_conditional_render",                   o(NV_conditional_render),                   GL,             2008 },
@@ -301,7 +303,6 @@ static const struct extension extension_table[] = {
    { "GL_NV_draw_buffers",                         o(dummy_true),                                         ES2, 2011 },
    { "GL_NV_fbo_color_attachments",                o(EXT_framebuffer_object),                             ES2, 2010 },
    { "GL_NV_fog_distance",                         o(NV_fog_distance),                         GLL,            2001 },
-   { "GL_NV_fragment_program",                     o(NV_fragment_program),                     GLL,            2001 },
    { "GL_NV_fragment_program_option",              o(NV_fragment_program_option),              GLL,            2005 },
    { "GL_NV_light_max_exponent",                   o(NV_light_max_exponent),                   GLL,            1999 },
    { "GL_NV_packed_depth_stencil",                 o(EXT_packed_depth_stencil),                GL,             2000 },
@@ -312,8 +313,6 @@ static const struct extension extension_table[] = {
    { "GL_NV_texture_barrier",                      o(NV_texture_barrier),                      GL,             2009 },
    { "GL_NV_texture_env_combine4",                 o(NV_texture_env_combine4),                 GLL,            1999 },
    { "GL_NV_texture_rectangle",                    o(NV_texture_rectangle),                    GLL,            2000 },
-   { "GL_NV_vertex_program1_1",                    o(NV_vertex_program1_1),                    GLL,            2001 },
-   { "GL_NV_vertex_program",                       o(NV_vertex_program),                       GLL,            2000 },
    { "GL_S3_s3tc",                                 o(S3_s3tc),                                 GL,             1999 },
    { "GL_SGIS_generate_mipmap",                    o(dummy_true),                              GLL,            1997 },
    { "GL_SGIS_texture_border_clamp",               o(ARB_texture_border_clamp),                GLL,            1997 },
@@ -358,21 +357,7 @@ name_to_offset(const char* name)
  * XXX: Should these defaults also apply to GLES?
  */
 static const size_t default_extensions[] = {
-   o(ARB_copy_buffer),
-   o(ARB_transpose_matrix),
-   o(ARB_window_pos),
-
-   o(EXT_compiled_vertex_array),
-   o(EXT_draw_range_elements),
-   o(EXT_packed_pixels),
-   o(EXT_rescale_normal),
-   o(EXT_separate_specular_color),
-   o(EXT_texture3D),
-
-   o(OES_standard_derivatives),
-
    /* Vendor Extensions */
-   o(APPLE_packed_pixels),
    o(IBM_multimode_draw_arrays),
    o(IBM_rasterpos_clip),
    o(NV_light_max_exponent),
@@ -390,42 +375,29 @@ static const size_t default_extensions[] = {
 void
 _mesa_enable_sw_extensions(struct gl_context *ctx)
 {
-   /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
    ctx->Extensions.ARB_depth_clamp = GL_TRUE;
    ctx->Extensions.ARB_depth_texture = GL_TRUE;
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
    ctx->Extensions.ARB_draw_instanced = GL_TRUE;
    ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
-#if FEATURE_ARB_fragment_program
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
    ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
-#endif
-#if FEATURE_ARB_fragment_shader
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
    ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_ARB_geometry_shader4 && 0
    /* XXX re-enable when GLSL compiler again supports geometry shaders */
+#if 0
    ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
 #endif
    ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
    ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
-#if FEATURE_queryobj
    ctx->Extensions.ARB_occlusion_query = GL_TRUE;
    ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
-#endif
    ctx->Extensions.ARB_point_sprite = GL_TRUE;
-#if FEATURE_ARB_shader_objects
    ctx->Extensions.ARB_shader_objects = GL_TRUE;
    ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
    ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
    ctx->Extensions.ARB_shadow = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
@@ -437,24 +409,12 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_texture_rg = GL_TRUE;
    ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
    ctx->Extensions.ARB_texture_storage = GL_TRUE;
-   ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
-#if FEATURE_ARB_vertex_program
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_shader
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_sync
    ctx->Extensions.ARB_sync = GL_TRUE;
-#endif
-   ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
-#if FEATURE_APPLE_object_purgeable
    ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
-#endif
    ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
-#if FEATURE_ATI_fragment_shader
    ctx->Extensions.ATI_fragment_shader = GL_TRUE;
-#endif
    ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
    ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
    ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
@@ -466,19 +426,11 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
    ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
    ctx->Extensions.EXT_fog_coord = GL_TRUE;
-#if FEATURE_EXT_framebuffer_object
    ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_framebuffer_blit
    ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
    ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
-#endif
    ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
-#if FEATURE_EXT_pixel_buffer_object
    ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
    ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
@@ -490,14 +442,10 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;
    ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
    ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE;
-#if FEATURE_EXT_texture_sRGB
    ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
    ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
-#endif
    ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
-#if FEATURE_EXT_transform_feedback
    /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
-#endif
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
    /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
    ctx->Extensions.MESA_pack_invert = GL_TRUE;
@@ -511,28 +459,15 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
    /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
-#if FEATURE_NV_vertex_program
-   ctx->Extensions.NV_vertex_program = GL_TRUE;
-   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program
-   ctx->Extensions.NV_fragment_program = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
    ctx->Extensions.NV_fragment_program_option = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
-#endif
-#if FEATURE_texture_fxt1
+   ctx->Extensions.OES_standard_derivatives = GL_TRUE;
    _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
-#endif
-#if FEATURE_texture_s3tc
    if (ctx->Mesa_DXTn) {
+      ctx->Extensions.ANGLE_texture_compression_dxt = GL_TRUE;
       _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
       _mesa_enable_extension(ctx, "GL_S3_s3tc");
    }
-#endif
 }
 
 
@@ -547,7 +482,6 @@ _mesa_enable_1_3_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
    ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
-   /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
 }
 
 
@@ -562,7 +496,6 @@ _mesa_enable_1_4_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_depth_texture = GL_TRUE;
    ctx->Extensions.ARB_shadow = GL_TRUE;
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
-   ctx->Extensions.ARB_window_pos = GL_TRUE;
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
@@ -591,22 +524,14 @@ _mesa_enable_1_5_extensions(struct gl_context *ctx)
 void
 _mesa_enable_2_0_extensions(struct gl_context *ctx)
 {
-#if FEATURE_ARB_fragment_shader
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
    ctx->Extensions.ARB_point_sprite = GL_TRUE;
    ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
    ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
-#if FEATURE_ARB_shader_objects
    ctx->Extensions.ARB_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
    ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
    ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
-#if FEATURE_ARB_vertex_shader
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
 }
 
 
@@ -617,12 +542,8 @@ _mesa_enable_2_0_extensions(struct gl_context *ctx)
 void
 _mesa_enable_2_1_extensions(struct gl_context *ctx)
 {
-#if FEATURE_EXT_pixel_buffer_object
    ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_texture_sRGB
    ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-#endif
 }
 
 
@@ -789,6 +710,7 @@ _mesa_init_extensions( struct gl_context *ctx )
 
    /* Then, selectively turn default extensions on. */
    ctx->Extensions.dummy_true = GL_TRUE;
+   ctx->Extensions.EXT_texture3D = GL_TRUE;
    for (j = default_extensions; *j != 0; ++j)
       base[*j] = GL_TRUE;
 }
@@ -867,7 +789,7 @@ _mesa_make_extension_string(struct gl_context *ctx)
    if (extra_extensions != NULL)
       length += 1 + strlen(extra_extensions); /* +1 for space */
 
-   exts = (char *) calloc(ALIGN(length + 1, 4), sizeof(char));
+   exts = calloc(ALIGN(length + 1, 4), sizeof(char));
    if (exts == NULL) {
       free(extra_extensions);
       return NULL;
@@ -927,7 +849,7 @@ _mesa_get_extension_count(struct gl_context *ctx)
 
    base = (GLboolean *) &ctx->Extensions;
    for (i = extension_table; i->name != 0; ++i) {
-      if (base[i->offset]) {
+      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
         ctx->Extensions.Count++;
       }
    }
@@ -947,10 +869,11 @@ _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
    base = (GLboolean*) &ctx->Extensions;
    n = 0;
    for (i = extension_table; i->name != 0; ++i) {
-      if (n == index && base[i->offset]) {
-        return (const GLubyte*) i->name;
-      } else if (base[i->offset]) {
-        ++n;
+      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
+         if (n == index)
+            return (const GLubyte*) i->name;
+         else
+            ++n;
       }
    }