mesa git update 1 Jul 2013

mesa             commit bf95ca7de0c02a00a75d1d5e2693a33b68ff784d

31 files changed, 95 insertions, 397 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_format.c b/mesalib/src/gallium/auxiliary/util/u_format.c
index 9bdc2eabf..686ca8a89 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format.c
+++ b/mesalib/src/gallium/auxiliary/util/u_format.c
@@ -131,6 +131,26 @@ util_format_is_pure_uint(enum pipe_format format)
    return (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED && desc->channel[i].pure_integer) ? TRUE : FALSE;
 }
 
+/**
+ * Returns true if all non-void channels are normalized signed.
+ */
+boolean
+util_format_is_snorm(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+   int i;
+
+   if (desc->is_mixed)
+      return FALSE;
+
+   i = util_format_get_first_non_void_channel(format);
+   if (i == -1)
+      return FALSE;
+
+   return desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED &&
+          !desc->channel[i].pure_integer &&
+          desc->channel[i].normalized;
+}
 
 boolean
 util_format_is_luminance_alpha(enum pipe_format format)
diff --git a/mesalib/src/gallium/auxiliary/util/u_format.h b/mesalib/src/gallium/auxiliary/util/u_format.h
index 9774a2b4c..bb729c095 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format.h
+++ b/mesalib/src/gallium/auxiliary/util/u_format.h
@@ -645,6 +645,9 @@ util_format_is_pure_sint(enum pipe_format format);
 boolean
 util_format_is_pure_uint(enum pipe_format format);
 
+boolean
+util_format_is_snorm(enum pipe_format format);
+
 /**
  * Check if the src format can be blitted to the destination format with
  * a simple memcpy.  For example, blitting from RGBA to RGBx is OK, but not
diff --git a/mesalib/src/mapi/glapi/gen/gl_API.xml b/mesalib/src/mapi/glapi/gen/gl_API.xml
index a066fe2d1..82b908f43 100644
--- a/mesalib/src/mapi/glapi/gen/gl_API.xml
+++ b/mesalib/src/mapi/glapi/gen/gl_API.xml
@@ -11032,7 +11032,7 @@
 </category>
 
 <category name="GL_MESA_resize_buffers" number="196">
-    <function name="ResizeBuffersMESA" offset="assign">
+    <function name="ResizeBuffersMESA" offset="assign" exec="skip">
         <glx ignore="true"/>
     </function>
 </category>
diff --git a/mesalib/src/mapi/glapi/gen/mesadef.py b/mesalib/src/mapi/glapi/gen/mesadef.py
index f6d33cb8c..77cc4a350 100644
--- a/mesalib/src/mapi/glapi/gen/mesadef.py
+++ b/mesalib/src/mapi/glapi/gen/mesadef.py
@@ -134,7 +134,6 @@ def PrintTail():
     print '\t_mesa_new_buffer_object'
     print '\t_mesa_new_texture_object'
     print '\t_mesa_problem'
-    print '\t_mesa_ResizeBuffersMESA'
     print '\t_mesa_store_compressed_teximage1d'
     print '\t_mesa_store_compressed_teximage2d'
     print '\t_mesa_store_compressed_teximage3d'
diff --git a/mesalib/src/mapi/mapi_abi.py b/mesalib/src/mapi/mapi_abi.py
index faa34311c..f5ff8d843 100644
--- a/mesalib/src/mapi/mapi_abi.py
+++ b/mesalib/src/mapi/mapi_abi.py
@@ -728,7 +728,6 @@ class GLAPIPrinter(ABIPrinter):
 #define GLAPI_PREFIX_STR(func)  "gl"#func
 #endif /* USE_MGL_NAMESPACE */
 
-typedef int GLfixed;
 typedef int GLclampx;
 #endif /* _GLAPI_TMP_H_ */"""
 
@@ -752,7 +751,6 @@ class ES1APIPrinter(GLAPIPrinter):
     def _get_c_header(self):
         header = """#ifndef _GLAPI_TMP_H_
 #define _GLAPI_TMP_H_
-typedef int GLfixed;
 typedef int GLclampx;
 #endif /* _GLAPI_TMP_H_ */"""
 
@@ -776,7 +774,6 @@ class ES2APIPrinter(GLAPIPrinter):
     def _get_c_header(self):
         header = """#ifndef _GLAPI_TMP_H_
 #define _GLAPI_TMP_H_
-typedef int GLfixed;
 typedef int GLclampx;
 #endif /* _GLAPI_TMP_H_ */"""
 
@@ -804,7 +801,6 @@ class SharedGLAPIPrinter(GLAPIPrinter):
     def _get_c_header(self):
         header = """#ifndef _GLAPI_TMP_H_
 #define _GLAPI_TMP_H_
-typedef int GLfixed;
 typedef int GLclampx;
 #endif /* _GLAPI_TMP_H_ */"""
 
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index f7dd06aeb..e8484299b 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -615,18 +615,16 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
          _mesa_set_enable(ctx, GL_FRAGMENT_SHADER_ATI, GL_FALSE);
       }
 
-      if (ctx->Extensions.ARB_shader_objects) {
-	 _mesa_reference_shader_program(ctx, &save->VertexShader,
-					ctx->Shader.CurrentVertexProgram);
-	 _mesa_reference_shader_program(ctx, &save->GeometryShader,
-					ctx->Shader.CurrentGeometryProgram);
-	 _mesa_reference_shader_program(ctx, &save->FragmentShader,
-					ctx->Shader.CurrentFragmentProgram);
-	 _mesa_reference_shader_program(ctx, &save->ActiveShader,
-					ctx->Shader.ActiveProgram);
-
-         _mesa_UseProgram(0);
-      }
+      _mesa_reference_shader_program(ctx, &save->VertexShader,
+                                     ctx->Shader.CurrentVertexProgram);
+      _mesa_reference_shader_program(ctx, &save->GeometryShader,
+                                     ctx->Shader.CurrentGeometryProgram);
+      _mesa_reference_shader_program(ctx, &save->FragmentShader,
+                                     ctx->Shader.CurrentFragmentProgram);
+      _mesa_reference_shader_program(ctx, &save->ActiveShader,
+                                     ctx->Shader.ActiveProgram);
+
+      _mesa_UseProgram(0);
    }
 
    if (state & MESA_META_STENCIL_TEST) {
@@ -3049,12 +3047,6 @@ _mesa_meta_check_generate_mipmap_fallback(struct gl_context *ctx, GLenum target,
    GLenum status;
 
    /* check for fallbacks */
-   if (!ctx->Extensions.EXT_framebuffer_object) {
-      _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
-                       "glGenerateMipmap() without FBOs\n");
-      return GL_TRUE;
-   }
-
    if (target == GL_TEXTURE_3D ||
        target == GL_TEXTURE_1D_ARRAY ||
        target == GL_TEXTURE_2D_ARRAY) {
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index ee80c1f4a..332c7b72f 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -648,41 +648,6 @@ swrast_init_driver_functions(struct dd_function_table *driver)
     driver->UnmapRenderbuffer = swrast_unmap_renderbuffer;
 }
 
-static const char *es2_extensions[] = {
-   /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
-   "GL_EXT_blend_func_separate",
-   "GL_EXT_framebuffer_blit",
-   "GL_MESA_window_pos",
-
-   /* Required by GLES2 */
-   "GL_ARB_fragment_program",
-   "GL_ARB_fragment_shader",
-   "GL_ARB_shader_objects",
-   "GL_ARB_texture_cube_map",
-   "GL_ARB_texture_non_power_of_two",
-   "GL_ARB_vertex_shader",
-   "GL_EXT_blend_color",
-   "GL_EXT_blend_equation_separate",
-   "GL_EXT_blend_minmax",
-
-   /* Optional GLES2 */
-   "GL_ARB_framebuffer_object",
-   "GL_EXT_texture_filter_anisotropic",
-   "GL_ARB_depth_texture",
-   "GL_EXT_packed_depth_stencil",
-   "GL_EXT_framebuffer_object",
-   NULL,
-};
-
-static void
-InitExtensionsES2(struct gl_context *ctx)
-{
-   int i;
-
-   for (i = 0; es2_extensions[i]; i++)
-      _mesa_enable_extension(ctx, es2_extensions[i]);
-}
-
 /**
  * Context-related functions.
  */
@@ -769,27 +734,6 @@ dri_create_context(gl_api api,
     _mesa_meta_init(mesaCtx);
     _mesa_enable_sw_extensions(mesaCtx);
 
-    switch (api) {
-    case API_OPENGL_CORE:
-        /* XXX fix me, fall-through for now */
-    case API_OPENGL_COMPAT:
-        _mesa_enable_1_3_extensions(mesaCtx);
-        _mesa_enable_1_4_extensions(mesaCtx);
-        _mesa_enable_1_5_extensions(mesaCtx);
-        _mesa_enable_2_0_extensions(mesaCtx);
-        _mesa_enable_2_1_extensions(mesaCtx);
-        break;
-    case API_OPENGLES:
-        _mesa_enable_1_3_extensions(mesaCtx);
-        _mesa_enable_1_4_extensions(mesaCtx);
-        _mesa_enable_1_5_extensions(mesaCtx);
-
-        break;
-    case API_OPENGLES2:
-        InitExtensionsES2( mesaCtx);
-        break;
-    }
-
     _mesa_compute_version(mesaCtx);
 
     _mesa_initialize_dispatch_tables(mesaCtx);
diff --git a/mesalib/src/mesa/drivers/windows/gdi/mesa.def b/mesalib/src/mesa/drivers/windows/gdi/mesa.def
index fec7bbac0..92736b368 100644
--- a/mesalib/src/mesa/drivers/windows/gdi/mesa.def
+++ b/mesalib/src/mesa/drivers/windows/gdi/mesa.def
@@ -556,7 +556,6 @@ EXPORTS
 	glFogCoorddvEXT
 	glFogCoordPointerEXT
 	glBlendFuncSeparateEXT
-	glResizeBuffersMESA
 	glWindowPos2dMESA
 	glWindowPos2dvMESA
 	glWindowPos2fMESA
diff --git a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
index ef791ab2f..d6eb82392 100644
--- a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
+++ b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
@@ -619,11 +619,6 @@ WMesaContext WMesaCreateContext(HDC hDC,
     _mesa_destroy_visual(visual);
 
     _mesa_enable_sw_extensions(ctx);
-    _mesa_enable_1_3_extensions(ctx);
-    _mesa_enable_1_4_extensions(ctx);
-    _mesa_enable_1_5_extensions(ctx);
-    _mesa_enable_2_0_extensions(ctx);
-    _mesa_enable_2_1_extensions(ctx);
   
     _mesa_meta_init(ctx);
 
diff --git a/mesalib/src/mesa/main/blend.c b/mesalib/src/mesa/main/blend.c
index c97c2078a..9e11ca7b8 100644
--- a/mesalib/src/mesa/main/blend.c
+++ b/mesalib/src/mesa/main/blend.c
@@ -48,7 +48,6 @@ legal_src_factor(const struct gl_context *ctx, GLenum factor)
    switch (factor) {
    case GL_SRC_COLOR:
    case GL_ONE_MINUS_SRC_COLOR:
-      return ctx->Extensions.NV_blend_square;
    case GL_ZERO:
    case GL_ONE:
    case GL_DST_COLOR:
@@ -86,7 +85,6 @@ legal_dst_factor(const struct gl_context *ctx, GLenum factor)
    switch (factor) {
    case GL_DST_COLOR:
    case GL_ONE_MINUS_DST_COLOR:
-      return ctx->Extensions.NV_blend_square;
    case GL_ZERO:
    case GL_ONE:
    case GL_SRC_COLOR:
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c
index e80f0400f..2bdbf41be 100644
--- a/mesalib/src/mesa/main/buffers.c
+++ b/mesalib/src/mesa/main/buffers.c
@@ -60,7 +60,6 @@ supported_buffer_bitmask(const struct gl_context *ctx,
    if (_mesa_is_user_fbo(fb)) {
       /* A user-created renderbuffer */
       GLuint i;
-      ASSERT(ctx->Extensions.EXT_framebuffer_object);
       for (i = 0; i < ctx->Const.MaxColorAttachments; i++) {
          mask |= (BUFFER_BIT_COLOR0 << i);
       }
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index fdde24e36..5c72b3cd7 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -755,7 +755,7 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
       case GL_COLOR_SUM_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program, cap);
+         CHECK_EXTENSION(ARB_vertex_program, cap);
          if (ctx->Fog.ColorSumEnabled == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_FOG);
@@ -1420,12 +1420,10 @@ _mesa_IsEnabled( GLenum cap )
       case GL_FOG_COORDINATE_ARRAY_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         CHECK_EXTENSION(EXT_fog_coord);
          return (ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_FOG].Enabled != 0);
       case GL_SECONDARY_COLOR_ARRAY_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         CHECK_EXTENSION(EXT_secondary_color);
          return (ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled != 0);
       case GL_POINT_SIZE_ARRAY_OES:
          if (ctx->API != API_OPENGLES)
@@ -1441,7 +1439,7 @@ _mesa_IsEnabled( GLenum cap )
       case GL_COLOR_SUM_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program);
+         CHECK_EXTENSION(ARB_vertex_program);
          return ctx->Fog.ColorSumEnabled;
 
       /* GL_ARB_multisample */
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 2ba4475c9..e0428c683 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -100,7 +100,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_fragment_shader",                     o(ARB_fragment_shader),                     GL,             2002 },
    { "GL_ARB_framebuffer_object",                  o(ARB_framebuffer_object),                  GL,             2005 },
    { "GL_ARB_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL,             1998 },
-   { "GL_ARB_get_program_binary",                  o(ARB_shader_objects),                      GL,             2010 },
+   { "GL_ARB_get_program_binary",                  o(dummy_true),                              GL,             2010 },
    { "GL_ARB_gpu_shader5",                         o(ARB_gpu_shader5),                         GL,             2010 },
    { "GL_ARB_half_float_pixel",                    o(ARB_half_float_pixel),                    GL,             2003 },
    { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL,             2008 },
@@ -121,10 +121,10 @@ static const struct extension extension_table[] = {
    { "GL_ARB_sampler_objects",                     o(dummy_true),                              GL,             2009 },
    { "GL_ARB_seamless_cube_map",                   o(ARB_seamless_cube_map),                   GL,             2009 },
    { "GL_ARB_shader_bit_encoding",                 o(ARB_shader_bit_encoding),                 GL,             2010 },
-   { "GL_ARB_shader_objects",                      o(ARB_shader_objects),                      GL,             2002 },
+   { "GL_ARB_shader_objects",                      o(dummy_true),                              GL,             2002 },
    { "GL_ARB_shader_stencil_export",               o(ARB_shader_stencil_export),               GL,             2009 },
    { "GL_ARB_shader_texture_lod",                  o(ARB_shader_texture_lod),                  GL,             2009 },
-   { "GL_ARB_shading_language_100",                o(ARB_shading_language_100),                GLL,            2003 },
+   { "GL_ARB_shading_language_100",                o(dummy_true),                              GLL,            2003 },
    { "GL_ARB_shading_language_packing",            o(ARB_shading_language_packing),            GL,             2011 },
    { "GL_ARB_shading_language_420pack",            o(ARB_shading_language_420pack),            GL,             2011 },
    { "GL_ARB_shadow",                              o(ARB_shadow),                              GLL,            2001 },
@@ -149,8 +149,8 @@ static const struct extension extension_table[] = {
    { "GL_ARB_texture_rectangle",                   o(NV_texture_rectangle),                    GL,             2004 },
    { "GL_ARB_texture_rgb10_a2ui",                  o(ARB_texture_rgb10_a2ui),                  GL,             2009 },
    { "GL_ARB_texture_rg",                          o(ARB_texture_rg),                          GL,             2008 },
-   { "GL_ARB_texture_storage",                     o(ARB_texture_storage),                     GL,             2011 },
-   { "GL_ARB_texture_storage_multisample",         o(ARB_texture_storage_multisample),         GL,             2012 },
+   { "GL_ARB_texture_storage",                     o(dummy_true),                              GL,             2011 },
+   { "GL_ARB_texture_storage_multisample",         o(ARB_texture_multisample),                 GL,             2012 },
    { "GL_ARB_texture_swizzle",                     o(EXT_texture_swizzle),                     GL,             2008 },
    { "GL_ARB_timer_query",                         o(ARB_timer_query),                         GL,             2010 },
    { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL,             2010 },
@@ -171,7 +171,7 @@ static const struct extension extension_table[] = {
    { "GL_EXT_blend_color",                         o(EXT_blend_color),                         GLL,            1995 },
    { "GL_EXT_blend_equation_separate",             o(EXT_blend_equation_separate),             GL,             2003 },
    { "GL_EXT_blend_func_separate",                 o(EXT_blend_func_separate),                 GLL,            1999 },
-   { "GL_EXT_discard_framebuffer",                 o(EXT_framebuffer_object),                        ES1 | ES2, 2009 },
+   { "GL_EXT_discard_framebuffer",                 o(dummy_true),                                    ES1 | ES2, 2009 },
    { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GLL | ES1 | ES2, 1995 },
    { "GL_EXT_blend_subtract",                      o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_compiled_vertex_array",               o(dummy_true),                              GLL,            1996 },
@@ -180,11 +180,11 @@ static const struct extension extension_table[] = {
    { "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(dummy_true),                              GLL,            1997 },
-   { "GL_EXT_fog_coord",                           o(EXT_fog_coord),                           GLL,            1999 },
+   { "GL_EXT_fog_coord",                           o(dummy_true),                              GLL,            1999 },
    { "GL_EXT_framebuffer_blit",                    o(EXT_framebuffer_blit),                    GL,             2005 },
    { "GL_EXT_framebuffer_multisample",             o(EXT_framebuffer_multisample),             GL,             2005 },
    { "GL_EXT_framebuffer_multisample_blit_scaled", o(EXT_framebuffer_multisample_blit_scaled), GL,             2011 },
-   { "GL_EXT_framebuffer_object",                  o(EXT_framebuffer_object),                  GL,             2000 },
+   { "GL_EXT_framebuffer_object",                  o(dummy_true),                              GL,             2000 },
    { "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 },
@@ -198,10 +198,10 @@ static const struct extension extension_table[] = {
    { "GL_EXT_polygon_offset",                      o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_provoking_vertex",                    o(EXT_provoking_vertex),                    GL,             2009 },
    { "GL_EXT_rescale_normal",                      o(dummy_true),                              GLL,            1997 },
-   { "GL_EXT_secondary_color",                     o(EXT_secondary_color),                     GLL,            1999 },
+   { "GL_EXT_secondary_color",                     o(dummy_true),                              GLL,            1999 },
    { "GL_EXT_separate_shader_objects",             o(EXT_separate_shader_objects),             GLL,            2008 },
    { "GL_EXT_separate_specular_color",             o(dummy_true),                              GLL,            1997 },
-   { "GL_EXT_shadow_funcs",                        o(EXT_shadow_funcs),                        GLL,            2002 },
+   { "GL_EXT_shadow_funcs",                        o(ARB_shadow),                              GLL,            2002 },
    { "GL_EXT_stencil_two_side",                    o(EXT_stencil_two_side),                    GLL,            2001 },
    { "GL_EXT_stencil_wrap",                        o(dummy_true),                              GLL,            2002 },
    { "GL_EXT_subtexture",                          o(dummy_true),                              GLL,            1995 },
@@ -248,7 +248,7 @@ static const struct extension extension_table[] = {
    { "GL_OES_byte_coordinates",                    o(dummy_true),                                   ES1,       2002 },
    { "GL_OES_compressed_ETC1_RGB8_texture",        o(OES_compressed_ETC1_RGB8_texture),             ES1 | ES2, 2005 },
    { "GL_OES_compressed_paletted_texture",         o(dummy_true),                                   ES1,       2003 },
-   { "GL_OES_depth24",                             o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
+   { "GL_OES_depth24",                             o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_depth32",                             o(dummy_false),                     DISABLE,                2005 },
    { "GL_OES_depth_texture",                       o(ARB_depth_texture),                                  ES2, 2006 },
    { "GL_OES_depth_texture_cube_map",              o(OES_depth_texture_cube_map),                         ES2, 2012 },
@@ -257,10 +257,10 @@ static const struct extension extension_table[] = {
    { "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 },
    { "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_fbo_render_mipmap",                   o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_fixed_point",                         o(dummy_true),                                   ES1,       2002 },
-   { "GL_OES_framebuffer_object",                  o(EXT_framebuffer_object),                       ES1,       2005 },
-   { "GL_OES_get_program_binary",                  o(ARB_shader_objects),                                 ES2, 2008 },
+   { "GL_OES_framebuffer_object",                  o(dummy_true),                                   ES1,       2005 },
+   { "GL_OES_get_program_binary",                  o(dummy_true),                                         ES2, 2008 },
    { "GL_OES_mapbuffer",                           o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_matrix_get",                          o(dummy_true),                                   ES1,       2004 },
    { "GL_OES_packed_depth_stencil",                o(EXT_packed_depth_stencil),                     ES1 | ES2, 2007 },
@@ -268,12 +268,12 @@ static const struct extension extension_table[] = {
    { "GL_OES_point_sprite",                        o(ARB_point_sprite),                             ES1,       2004 },
    { "GL_OES_query_matrix",                        o(dummy_true),                                   ES1,       2003 },
    { "GL_OES_read_format",                         o(dummy_true),                              GL | ES1,       2003 },
-   { "GL_OES_rgb8_rgba8",                          o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
+   { "GL_OES_rgb8_rgba8",                          o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_single_precision",                    o(dummy_true),                                   ES1,       2003 },
    { "GL_OES_standard_derivatives",                o(OES_standard_derivatives),                           ES2, 2005 },
    { "GL_OES_stencil1",                            o(dummy_false),                     DISABLE,                2005 },
    { "GL_OES_stencil4",                            o(dummy_false),                     DISABLE,                2005 },
-   { "GL_OES_stencil8",                            o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
+   { "GL_OES_stencil8",                            o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_stencil_wrap",                        o(dummy_true),                                   ES1,       2002 },
    { "GL_OES_texture_3D",                          o(EXT_texture3D),                                      ES2, 2005 },
    { "GL_OES_texture_cube_map",                    o(ARB_texture_cube_map),                         ES1,       2007 },
@@ -307,16 +307,15 @@ static const struct extension extension_table[] = {
    { "GL_IBM_texture_mirrored_repeat",             o(dummy_true),                              GLL,            1998 },
    { "GL_INGR_blend_func_separate",                o(EXT_blend_func_separate),                 GLL,            1999 },
    { "GL_MESA_pack_invert",                        o(MESA_pack_invert),                        GL,             2002 },
-   { "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(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_blend_square",                         o(dummy_true),                              GLL,            1999 },
    { "GL_NV_conditional_render",                   o(NV_conditional_render),                   GL,             2008 },
    { "GL_NV_depth_clamp",                          o(ARB_depth_clamp),                         GL,             2001 },
    { "GL_NV_draw_buffers",                         o(dummy_true),                                         ES2, 2011 },
-   { "GL_NV_fbo_color_attachments",                o(EXT_framebuffer_object),                             ES2, 2010 },
+   { "GL_NV_fbo_color_attachments",                o(dummy_true),                                         ES2, 2010 },
    { "GL_NV_fog_distance",                         o(NV_fog_distance),                         GLL,            2001 },
    { "GL_NV_fragment_program_option",              o(NV_fragment_program_option),              GLL,            2005 },
    { "GL_NV_light_max_exponent",                   o(dummy_true),                              GLL,            1999 },
@@ -391,9 +390,7 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_occlusion_query = GL_TRUE;
    ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
    ctx->Extensions.ARB_point_sprite = GL_TRUE;
-   ctx->Extensions.ARB_shader_objects = GL_TRUE;
    ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
    ctx->Extensions.ARB_shadow = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
@@ -406,7 +403,6 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
    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_program = GL_TRUE;
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
    ctx->Extensions.ARB_sync = GL_TRUE;
@@ -423,15 +419,11 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
    ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
    ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
-   ctx->Extensions.EXT_fog_coord = GL_TRUE;
-   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
    ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
    ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
    ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
-   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
-   ctx->Extensions.EXT_secondary_color = GL_TRUE;
    ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
    ctx->Extensions.EXT_texture_array = GL_TRUE;
    ctx->Extensions.EXT_texture_compression_latc = GL_TRUE;
@@ -445,10 +437,8 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
    ctx->Extensions.MESA_pack_invert = GL_TRUE;
-   ctx->Extensions.MESA_resize_buffers = GL_TRUE;
    ctx->Extensions.MESA_texture_array = GL_TRUE;
    ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
-   ctx->Extensions.NV_blend_square = GL_TRUE;
    ctx->Extensions.NV_conditional_render = GL_TRUE;
    ctx->Extensions.NV_point_sprite = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
@@ -456,91 +446,13 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.NV_fragment_program_option = GL_TRUE;
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
    ctx->Extensions.OES_standard_derivatives = GL_TRUE;
-   _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+   ctx->Extensions.TDFX_texture_compression_FXT1 = GL_TRUE;
    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");
+      ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
    }
 }
 
-
-/**
- * Enable all OpenGL 1.3 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_3_extensions(struct gl_context *ctx)
-{
-   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
-   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
-   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
-   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
-}
-
-
-
-/**
- * Enable all OpenGL 1.4 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_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.EXT_blend_color = GL_TRUE;
-   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
-   ctx->Extensions.EXT_blend_minmax = GL_TRUE;
-   ctx->Extensions.EXT_fog_coord = GL_TRUE;
-   ctx->Extensions.EXT_point_parameters = GL_TRUE;
-   ctx->Extensions.EXT_secondary_color = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 1.5 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_5_extensions(struct gl_context *ctx)
-{
-   ctx->Extensions.ARB_occlusion_query = GL_TRUE;
-   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 2.0 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_0_extensions(struct gl_context *ctx)
-{
-   ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-   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;
-   ctx->Extensions.ARB_shader_objects = GL_TRUE;
-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-   ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
-   ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 2.1 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_1_extensions(struct gl_context *ctx)
-{
-   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-   ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-}
-
-
 /**
  * Either enable or disable the named extension.
  * \return GL_TRUE for success, GL_FALSE if invalid extension name
@@ -572,51 +484,6 @@ set_extension( struct gl_context *ctx, const char *name, GLboolean state )
    }
 }
 
-
-/**
- * Enable the named extension.
- * Typically called by drivers.
- */
-void
-_mesa_enable_extension( struct gl_context *ctx, const char *name )
-{
-   if (!set_extension(ctx, name, GL_TRUE))
-      _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
-}
-
-
-/**
- * Disable the named extension.
- * XXX is this really needed???
- */
-void
-_mesa_disable_extension( struct gl_context *ctx, const char *name )
-{
-   if (!set_extension(ctx, name, GL_FALSE))
-      _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
-}
-
-
-/**
- * Test if the named extension is enabled in this context.
- */
-GLboolean
-_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
-{
-   size_t offset;
-   GLboolean *base;
-
-   if (name == 0)
-      return GL_FALSE;
-
-   offset = name_to_offset(name);
-   if (offset == 0)
-      return GL_FALSE;
-   base = (GLboolean *) &ctx->Extensions;
-   return base[offset];
-}
-
-
 /**
  * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
  *
diff --git a/mesalib/src/mesa/main/extensions.h b/mesalib/src/mesa/main/extensions.h
index 7a3791d58..a8cc2a41e 100644
--- a/mesalib/src/mesa/main/extensions.h
+++ b/mesalib/src/mesa/main/extensions.h
@@ -42,22 +42,6 @@ struct gl_context;
 
 extern void _mesa_enable_sw_extensions(struct gl_context *ctx);
 
-extern void _mesa_enable_1_3_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_1_4_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_1_5_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_2_0_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_2_1_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_extension(struct gl_context *ctx, const char *name);
-
-extern void _mesa_disable_extension(struct gl_context *ctx, const char *name);
-
-extern GLboolean _mesa_extension_is_enabled(struct gl_context *ctx, const char *name);
-
 extern void _mesa_init_extensions(struct gl_context *ctx);
 
 extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx);
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index ba462e935..f59fdb12d 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1909,17 +1909,10 @@ _mesa_BindFramebuffer(GLenum target, GLuint framebuffer)
 
 #ifdef DEBUG
    if (ctx->Extensions.ARB_framebuffer_object) {
-      ASSERT(ctx->Extensions.EXT_framebuffer_object);
       ASSERT(ctx->Extensions.EXT_framebuffer_blit);
    }
 #endif
 
-   if (!ctx->Extensions.EXT_framebuffer_object) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glBindFramebufferEXT(unsupported)");
-      return;
-   }
-
    switch (target) {
    case GL_DRAW_FRAMEBUFFER_EXT:
       if (!ctx->Extensions.EXT_framebuffer_blit) {
diff --git a/mesalib/src/mesa/main/fog.c b/mesalib/src/mesa/main/fog.c
index 1bd072fb3..89153912e 100644
--- a/mesalib/src/mesa/main/fog.c
+++ b/mesalib/src/mesa/main/fog.c
@@ -162,7 +162,7 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
          break;
       case GL_FOG_COORDINATE_SOURCE_EXT: {
 	 GLenum p = (GLenum) (GLint) *params;
-         if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.EXT_fog_coord ||
+         if (ctx->API != API_OPENGL_COMPAT ||
              (p != GL_FOG_COORDINATE_EXT && p != GL_FRAGMENT_DEPTH_EXT)) {
 	    _mesa_error(ctx, GL_INVALID_ENUM, "glFog");
 	    return;
diff --git a/mesalib/src/mesa/main/framebuffer.c b/mesalib/src/mesa/main/framebuffer.c
index d28882ac4..4ec4118c5 100644
--- a/mesalib/src/mesa/main/framebuffer.c
+++ b/mesalib/src/mesa/main/framebuffer.c
@@ -319,16 +319,6 @@ _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
    }
 }
 
-/*
- * XXX THIS IS OBSOLETE
- */
-void GLAPIENTRY
-_mesa_ResizeBuffersMESA( void )
-{
-}
-
-
-
 /**
  * Examine all the framebuffer's renderbuffers to update the Width/Height
  * fields of the framebuffer.  If we have renderbuffers with different
diff --git a/mesalib/src/mesa/main/framebuffer.h b/mesalib/src/mesa/main/framebuffer.h
index 1b1caab09..264566477 100644
--- a/mesalib/src/mesa/main/framebuffer.h
+++ b/mesalib/src/mesa/main/framebuffer.h
@@ -71,10 +71,6 @@ _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
 extern void
 _mesa_resizebuffers( struct gl_context *ctx );
 
-extern void GLAPIENTRY
-_mesa_ResizeBuffersMESA( void );
-
-
 extern void 
 _mesa_update_draw_buffer_bounds(struct gl_context *ctx);
 
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index d31ba011f..0b33fa49b 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -272,18 +272,6 @@ static const int extra_flush_current[] = {
    EXTRA_END
 };
 
-static const int extra_EXT_secondary_color_flush_current[] = {
-   EXT(EXT_secondary_color),
-   EXTRA_FLUSH_CURRENT,
-   EXTRA_END
-};
-
-static const int extra_EXT_fog_coord_flush_current[] = {
-   EXT(EXT_fog_coord),
-   EXTRA_FLUSH_CURRENT,
-   EXTRA_END
-};
-
 static const int extra_EXT_texture_integer[] = {
    EXT(EXT_texture_integer),
    EXTRA_END
@@ -345,9 +333,6 @@ static const int extra_MESA_texture_array_es3[] = {
 
 EXTRA_EXT(ARB_texture_cube_map);
 EXTRA_EXT(MESA_texture_array);
-EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program);
-EXTRA_EXT(EXT_secondary_color);
-EXTRA_EXT(EXT_fog_coord);
 EXTRA_EXT(NV_fog_distance);
 EXTRA_EXT(EXT_texture_filter_anisotropic);
 EXTRA_EXT(NV_point_sprite);
@@ -357,12 +342,10 @@ EXTRA_EXT(EXT_depth_bounds_test);
 EXTRA_EXT(ARB_depth_clamp);
 EXTRA_EXT(ATI_fragment_shader);
 EXTRA_EXT(EXT_framebuffer_blit);
-EXTRA_EXT(ARB_shader_objects);
 EXTRA_EXT(EXT_provoking_vertex);
 EXTRA_EXT(ARB_fragment_shader);
 EXTRA_EXT(ARB_fragment_program);
 EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
-EXTRA_EXT(EXT_framebuffer_object);
 EXTRA_EXT(ARB_seamless_cube_map);
 EXTRA_EXT(ARB_sync);
 EXTRA_EXT(ARB_vertex_shader);
diff --git a/mesalib/src/mesa/main/get_hash_params.py b/mesalib/src/mesa/main/get_hash_params.py
index f47b33fcd..fde45379a 100644
--- a/mesalib/src/mesa/main/get_hash_params.py
+++ b/mesalib/src/mesa/main/get_hash_params.py
@@ -107,9 +107,9 @@ descriptor=[
   [ "IMPLEMENTATION_COLOR_READ_FORMAT_OES", "LOC_CUSTOM, TYPE_INT, 0, extra_new_buffers" ],
 
 # GL_EXT_framebuffer_object
-  [ "FRAMEBUFFER_BINDING_EXT", "BUFFER_INT(Name), extra_EXT_framebuffer_object" ],
-  [ "RENDERBUFFER_BINDING_EXT", "LOC_CUSTOM, TYPE_INT, 0, extra_EXT_framebuffer_object" ],
-  [ "MAX_RENDERBUFFER_SIZE_EXT", "CONTEXT_INT(Const.MaxRenderbufferSize), extra_EXT_framebuffer_object" ],
+  [ "FRAMEBUFFER_BINDING_EXT", "BUFFER_INT(Name), NO_EXTRA" ],
+  [ "RENDERBUFFER_BINDING_EXT", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
+  [ "MAX_RENDERBUFFER_SIZE_EXT", "CONTEXT_INT(Const.MaxRenderbufferSize), NO_EXTRA" ],
 
 # This entry isn't spec'ed for GLES 2, but is needed for Mesa's
 # GLSL:
@@ -258,7 +258,7 @@ descriptor=[
   [ "MAX_DRAW_BUFFERS_ARB", "CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA" ],
 
 # GL_EXT_framebuffer_object / GL_NV_fbo_color_attachments
-  [ "MAX_COLOR_ATTACHMENTS", "CONTEXT_INT(Const.MaxColorAttachments), extra_EXT_framebuffer_object" ],
+  [ "MAX_COLOR_ATTACHMENTS", "CONTEXT_INT(Const.MaxColorAttachments), NO_EXTRA" ],
 
 # GL_ARB_draw_buffers / GL_NV_draw_buffers (for ES 2.0)
   [ "DRAW_BUFFER0_ARB", "BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA" ],
@@ -280,7 +280,7 @@ descriptor=[
 # GL_ARB_shader_objects
 # Actually, this token isn't part of GL_ARB_shader_objects, but is
 # close enough for now.
-  [ "CURRENT_PROGRAM", "LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects" ],
+  [ "CURRENT_PROGRAM", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
 
 # OpenGL 2.0
   [ "STENCIL_BACK_FUNC", "CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA" ],
@@ -311,8 +311,8 @@ descriptor=[
   [ "SHADER_BINARY_FORMATS", "CONST(0), extra_ARB_ES2_compatibility_api_es2" ],
 
 # GL_ARB_get_program_binary / GL_OES_get_program_binary
-  [ "NUM_PROGRAM_BINARY_FORMATS", "CONST(0), extra_ARB_shader_objects" ],
-  [ "PROGRAM_BINARY_FORMATS", "LOC_CUSTOM, TYPE_INVALID, 0, extra_ARB_shader_objects" ],
+  [ "NUM_PROGRAM_BINARY_FORMATS", "CONST(0), NO_EXTRA" ],
+  [ "PROGRAM_BINARY_FORMATS", "LOC_CUSTOM, TYPE_INVALID, 0, NO_EXTRA" ],
 ]},
 
 # GLES3 is not a typo.
@@ -544,19 +544,19 @@ descriptor=[
   [ "TRANSPOSE_TEXTURE_MATRIX_ARB", "CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA" ],
 
 # GL_EXT_secondary_color
-  [ "COLOR_SUM", "CONTEXT_BOOL(Fog.ColorSumEnabled), extra_EXT_secondary_color_ARB_vertex_program" ],
-  [ "CURRENT_SECONDARY_COLOR", "CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4), extra_EXT_secondary_color_flush_current" ],
-  [ "SECONDARY_COLOR_ARRAY", "ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR1].Enabled), extra_EXT_secondary_color" ],
-  [ "SECONDARY_COLOR_ARRAY_TYPE", "ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR1].Type), extra_EXT_secondary_color" ],
-  [ "SECONDARY_COLOR_ARRAY_STRIDE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Stride), extra_EXT_secondary_color" ],
-  [ "SECONDARY_COLOR_ARRAY_SIZE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Size), extra_EXT_secondary_color" ],
+  [ "COLOR_SUM", "CONTEXT_BOOL(Fog.ColorSumEnabled), extra_ARB_vertex_program" ],
+  [ "CURRENT_SECONDARY_COLOR", "CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4), extra_flush_current" ],
+  [ "SECONDARY_COLOR_ARRAY", "ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR1].Enabled), NO_EXTRA" ],
+  [ "SECONDARY_COLOR_ARRAY_TYPE", "ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR1].Type), NO_EXTRA" ],
+  [ "SECONDARY_COLOR_ARRAY_STRIDE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Stride), NO_EXTRA" ],
+  [ "SECONDARY_COLOR_ARRAY_SIZE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Size), NO_EXTRA" ],
 
 # GL_EXT_fog_coord
-  [ "CURRENT_FOG_COORDINATE", "CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]), extra_EXT_fog_coord_flush_current" ],
-  [ "FOG_COORDINATE_ARRAY", "ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_FOG].Enabled), extra_EXT_fog_coord" ],
-  [ "FOG_COORDINATE_ARRAY_TYPE", "ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_FOG].Type), extra_EXT_fog_coord" ],
-  [ "FOG_COORDINATE_ARRAY_STRIDE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_FOG].Stride), extra_EXT_fog_coord" ],
-  [ "FOG_COORDINATE_SOURCE", "CONTEXT_ENUM(Fog.FogCoordinateSource), extra_EXT_fog_coord" ],
+  [ "CURRENT_FOG_COORDINATE", "CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]), extra_flush_current" ],
+  [ "FOG_COORDINATE_ARRAY", "ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_FOG].Enabled), NO_EXTRA" ],
+  [ "FOG_COORDINATE_ARRAY_TYPE", "ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_FOG].Type), NO_EXTRA" ],
+  [ "FOG_COORDINATE_ARRAY_STRIDE", "ARRAY_INT(VertexAttrib[VERT_ATTRIB_FOG].Stride), NO_EXTRA" ],
+  [ "FOG_COORDINATE_SOURCE", "CONTEXT_ENUM(Fog.FogCoordinateSource), NO_EXTRA" ],
 
 # GL_NV_fog_distance
   [ "FOG_DISTANCE_MODE_NV", "CONTEXT_ENUM(Fog.FogDistanceMode), extra_NV_fog_distance" ],
diff --git a/mesalib/src/mesa/main/getstring.c b/mesalib/src/mesa/main/getstring.c
index 1145d0f49..39fd260dc 100644
--- a/mesalib/src/mesa/main/getstring.c
+++ b/mesalib/src/mesa/main/getstring.c
@@ -41,11 +41,6 @@ shading_language_version(struct gl_context *ctx)
    switch (ctx->API) {
    case API_OPENGL_COMPAT:
    case API_OPENGL_CORE:
-      if (!ctx->Extensions.ARB_shader_objects) {
-         _mesa_error(ctx, GL_INVALID_ENUM, "glGetString");
-         return (const GLubyte *) 0;
-      }
-
       switch (ctx->Const.GLSLVersion) {
       case 110:
          return (const GLubyte *) "1.10";
diff --git a/mesalib/src/mesa/main/glheader.h b/mesalib/src/mesa/main/glheader.h
index c83c68f71..b3b0c52a0 100644
--- a/mesalib/src/mesa/main/glheader.h
+++ b/mesalib/src/mesa/main/glheader.h
@@ -59,10 +59,6 @@ extern "C" {
 #endif
 
 
-/**
- * GL_FIXED is defined in glext.h version 64 but these typedefs aren't (yet).
- */
-typedef int GLfixed;
 typedef int GLclampx;
 
 
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index df2d20b3a..1f62e2c9c 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -3014,10 +3014,8 @@ struct gl_extensions
    GLboolean ARB_point_sprite;
    GLboolean ARB_seamless_cube_map;
    GLboolean ARB_shader_bit_encoding;
-   GLboolean ARB_shader_objects;
    GLboolean ARB_shader_stencil_export;
    GLboolean ARB_shader_texture_lod;
-   GLboolean ARB_shading_language_100;
    GLboolean ARB_shading_language_packing;
    GLboolean ARB_shading_language_420pack;
    GLboolean ARB_shadow;
@@ -3038,8 +3036,6 @@ struct gl_extensions
    GLboolean ARB_texture_query_lod;
    GLboolean ARB_texture_rg;
    GLboolean ARB_texture_rgb10_a2ui;
-   GLboolean ARB_texture_storage;
-   GLboolean ARB_texture_storage_multisample;
    GLboolean ARB_timer_query;
    GLboolean ARB_transform_feedback2;
    GLboolean ARB_transform_feedback3;
@@ -3054,11 +3050,9 @@ struct gl_extensions
    GLboolean EXT_blend_minmax;
    GLboolean EXT_depth_bounds_test;
    GLboolean EXT_draw_buffers2;
-   GLboolean EXT_fog_coord;
    GLboolean EXT_framebuffer_blit;
    GLboolean EXT_framebuffer_multisample;
    GLboolean EXT_framebuffer_multisample_blit_scaled;
-   GLboolean EXT_framebuffer_object;
    GLboolean EXT_framebuffer_sRGB;
    GLboolean EXT_gpu_program_parameters;
    GLboolean EXT_gpu_shader4;
@@ -3067,8 +3061,6 @@ struct gl_extensions
    GLboolean EXT_pixel_buffer_object;
    GLboolean EXT_point_parameters;
    GLboolean EXT_provoking_vertex;
-   GLboolean EXT_shadow_funcs;
-   GLboolean EXT_secondary_color;
    GLboolean EXT_separate_shader_objects;
    GLboolean EXT_stencil_two_side;
    GLboolean EXT_texture3D;
@@ -3099,10 +3091,8 @@ struct gl_extensions
    GLboolean ATI_fragment_shader;
    GLboolean ATI_separate_stencil;
    GLboolean MESA_pack_invert;
-   GLboolean MESA_resize_buffers;
    GLboolean MESA_ycbcr_texture;
    GLboolean MESA_texture_array;
-   GLboolean NV_blend_square;
    GLboolean NV_conditional_render;
    GLboolean NV_fog_distance;
    GLboolean NV_fragment_program_option;
diff --git a/mesalib/src/mesa/main/samplerobj.c b/mesalib/src/mesa/main/samplerobj.c
index 91b17ab5e..3857eda06 100644
--- a/mesalib/src/mesa/main/samplerobj.c
+++ b/mesalib/src/mesa/main/samplerobj.c
@@ -529,21 +529,15 @@ set_sampler_compare_func(struct gl_context *ctx,
    switch (param) {
    case GL_LEQUAL:
    case GL_GEQUAL:
-      flush(ctx);
-      samp->CompareFunc = param;
-      return GL_TRUE;
    case GL_EQUAL:
    case GL_NOTEQUAL:
    case GL_LESS:
    case GL_GREATER:
    case GL_ALWAYS:
    case GL_NEVER:
-      if (ctx->Extensions.EXT_shadow_funcs) {
-         flush(ctx);
-         samp->CompareFunc = param;
-         return GL_TRUE;
-      }
-      /* fall-through */
+      flush(ctx);
+      samp->CompareFunc = param;
+      return GL_TRUE;
    default:
       return INVALID_PARAM;
    }
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 5226687ff..111849655 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1852,12 +1852,8 @@ legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
 static GLboolean
 mutable_tex_object(struct gl_context *ctx, GLenum target)
 {
-   if (ctx->Extensions.ARB_texture_storage) {
-      struct gl_texture_object *texObj =
-         _mesa_get_current_tex_object(ctx, target);
-      return !texObj->Immutable;
-   }
-   return GL_TRUE;
+   struct gl_texture_object *texObj = _mesa_get_current_tex_object(ctx, target);
+   return !texObj->Immutable;
 }
 
 
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 9507bc394..cf9a3014c 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -176,12 +176,12 @@ get_texobj(struct gl_context *ctx, GLenum target, GLboolean get)
       }
       break;
    case GL_TEXTURE_2D_MULTISAMPLE:
-      if (ctx->Extensions.ARB_texture_storage_multisample) {
+      if (ctx->Extensions.ARB_texture_multisample) {
          return texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX];
       }
       break;
    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
-      if (ctx->Extensions.ARB_texture_storage_multisample) {
+      if (ctx->Extensions.ARB_texture_multisample) {
          return texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX];
       }
       break;
@@ -446,21 +446,15 @@ set_tex_parameteri(struct gl_context *ctx,
          switch (params[0]) {
          case GL_LEQUAL:
          case GL_GEQUAL:
-            flush(ctx);
-            texObj->Sampler.CompareFunc = params[0];
-            return GL_TRUE;
          case GL_EQUAL:
          case GL_NOTEQUAL:
          case GL_LESS:
          case GL_GREATER:
          case GL_ALWAYS:
          case GL_NEVER:
-            if (ctx->Extensions.EXT_shadow_funcs) {
-               flush(ctx);
-               texObj->Sampler.CompareFunc = params[0];
-               return GL_TRUE;
-            }
-            /* fall-through */
+            flush(ctx);
+            texObj->Sampler.CompareFunc = params[0];
+            return GL_TRUE;
          default:
             goto invalid_param;
          }
@@ -1541,8 +1535,6 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          break;
 
       case GL_TEXTURE_IMMUTABLE_FORMAT:
-         if (!ctx->Extensions.ARB_texture_storage)
-            goto invalid_pname;
          *params = (GLfloat) obj->Immutable;
          break;
 
@@ -1724,8 +1716,6 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
          break;
 
       case GL_TEXTURE_IMMUTABLE_FORMAT:
-         if (!ctx->Extensions.ARB_texture_storage)
-            goto invalid_pname;
          *params = (GLint) obj->Immutable;
          break;
 
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index cdd5ed316..ab9b14c02 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -205,15 +205,11 @@ compute_version(struct gl_context *ctx)
                               ctx->Extensions.EXT_blend_color &&
                               ctx->Extensions.EXT_blend_func_separate &&
                               ctx->Extensions.EXT_blend_minmax &&
-                              ctx->Extensions.EXT_fog_coord &&
-                              ctx->Extensions.EXT_point_parameters &&
-                              ctx->Extensions.EXT_secondary_color);
+                              ctx->Extensions.EXT_point_parameters);
    const GLboolean ver_1_5 = (ver_1_4 &&
-                              ctx->Extensions.ARB_occlusion_query &&
-                              ctx->Extensions.EXT_shadow_funcs);
+                              ctx->Extensions.ARB_occlusion_query);
    const GLboolean ver_2_0 = (ver_1_5 &&
                               ctx->Extensions.ARB_point_sprite &&
-                              ctx->Extensions.ARB_shader_objects &&
                               ctx->Extensions.ARB_vertex_shader &&
                               ctx->Extensions.ARB_fragment_shader &&
                               ctx->Extensions.ARB_texture_non_power_of_two &&
@@ -360,7 +356,6 @@ compute_version_es2(struct gl_context *ctx)
                               ctx->Extensions.EXT_blend_color &&
                               ctx->Extensions.EXT_blend_func_separate &&
                               ctx->Extensions.EXT_blend_minmax &&
-                              ctx->Extensions.ARB_shader_objects &&
                               ctx->Extensions.ARB_vertex_shader &&
                               ctx->Extensions.ARB_fragment_shader &&
                               ctx->Extensions.ARB_texture_non_power_of_two &&
diff --git a/mesalib/src/mesa/program/prog_execute.c b/mesalib/src/mesa/program/prog_execute.c
index b902006ef..560332a6e 100644
--- a/mesalib/src/mesa/program/prog_execute.c
+++ b/mesalib/src/mesa/program/prog_execute.c
@@ -145,7 +145,7 @@ get_src_register_pointer(const struct prog_src_register *source,
       _mesa_problem(NULL,
          "Invalid src register file %d in get_src_register_pointer()",
          source->File);
-      return NULL;
+      return ZeroVec;
    }
 }
 
@@ -184,7 +184,7 @@ get_dst_register_pointer(const struct prog_dst_register *dest,
       _mesa_problem(NULL,
          "Invalid dest register file %d in get_dst_register_pointer()",
          dest->File);
-      return NULL;
+      return dummyReg;
    }
 }
 
@@ -199,7 +199,6 @@ fetch_vector4(const struct prog_src_register *source,
               const struct gl_program_machine *machine, GLfloat result[4])
 {
    const GLfloat *src = get_src_register_pointer(source, machine);
-   ASSERT(src);
 
    if (source->Swizzle == SWIZZLE_NOOP) {
       /* no swizzling */
@@ -302,7 +301,6 @@ fetch_vector1(const struct prog_src_register *source,
               const struct gl_program_machine *machine, GLfloat result[4])
 {
    const GLfloat *src = get_src_register_pointer(source, machine);
-   ASSERT(src);
 
    result[0] = src[GET_SWZ(source->Swizzle, 0)];
 
diff --git a/mesalib/src/mesa/program/program_parse.y b/mesalib/src/mesa/program/program_parse.y
index cbf3fe6ca..e2da63347 100644
--- a/mesalib/src/mesa/program/program_parse.y
+++ b/mesalib/src/mesa/program/program_parse.y
@@ -1145,20 +1145,10 @@ vtxAttribItem: POSITION
 	}
 	| COLOR optColorType
 	{
-	   if (!state->ctx->Extensions.EXT_secondary_color) {
-	      yyerror(& @2, state, "GL_EXT_secondary_color not supported");
-	      YYERROR;
-	   }
-
 	   $$ = VERT_ATTRIB_COLOR0 + $2;
 	}
 	| FOGCOORD
 	{
-	   if (!state->ctx->Extensions.EXT_fog_coord) {
-	      yyerror(& @1, state, "GL_EXT_fog_coord not supported");
-	      YYERROR;
-	   }
-
 	   $$ = VERT_ATTRIB_FOG;
 	}
 	| TEXCOORD optTexCoordUnitNum
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 0200a6270..2ce4728ad 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -1546,6 +1546,7 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 
    if (!screen->is_format_supported(screen, srcFormat, st->internal_target, 0,
                                     srcBind)) {
+      /* srcFormat is non-renderable. Find a compatible renderable format. */
       if (type == GL_DEPTH) {
          srcFormat = st_choose_format(st, GL_DEPTH_COMPONENT, GL_NONE,
                                       GL_NONE, st->internal_target, 0,
@@ -1569,6 +1570,11 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
                                          GL_NONE, st->internal_target, 0,
                                          srcBind, FALSE);
          }
+         else if (util_format_is_snorm(srcFormat)) {
+            srcFormat = st_choose_format(st, GL_RGBA16_SNORM, GL_NONE,
+                                         GL_NONE, st->internal_target, 0,
+                                         srcBind, FALSE);
+         }
          else {
             srcFormat = st_choose_format(st, GL_RGBA, GL_NONE,
                                          GL_NONE, st->internal_target, 0,
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 966722c0b..83e8e2e96 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -397,7 +397,6 @@ void st_init_extensions(struct st_context *st)
 
       { o(EXT_blend_equation_separate),      PIPE_CAP_BLEND_EQUATION_SEPARATE          },
       { o(EXT_draw_buffers2),                PIPE_CAP_INDEP_BLEND_ENABLE               },
-      { o(EXT_shadow_funcs),                 PIPE_CAP_TEXTURE_SHADOW_MAP               },
       { o(EXT_stencil_two_side),             PIPE_CAP_TWO_SIDED_STENCIL                },
       { o(EXT_texture_array),                PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS         },
       { o(EXT_texture_filter_anisotropic),   PIPE_CAP_ANISOTROPIC_FILTER               },
@@ -537,14 +536,11 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
    ctx->Extensions.ARB_internalformat_query = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
-   ctx->Extensions.ARB_shader_objects = GL_TRUE;
-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
    ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
-   ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
 
@@ -552,13 +548,10 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
    ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-   ctx->Extensions.EXT_fog_coord = GL_TRUE;
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
    ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
-   ctx->Extensions.EXT_secondary_color = GL_TRUE;
    ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
@@ -567,7 +560,6 @@ void st_init_extensions(struct st_context *st)
 
    ctx->Extensions.MESA_pack_invert = GL_TRUE;
 
-   ctx->Extensions.NV_blend_square = GL_TRUE;
    ctx->Extensions.NV_fog_distance = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;