mesa git update 31 oct 2012

mesa: 183e122bdfe27f875c3c121964484dae9587c051

18 files changed, 80 insertions, 116 deletions

diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index eeeb81c01..e639049df 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -648,12 +648,8 @@ swrast_init_driver_functions(struct dd_function_table *driver)
 
 static const char *es2_extensions[] = {
    /* Used by mesa internally (cf all_mesa_extensions in ../common/utils.c) */
-   "GL_ARB_transpose_matrix",
-   "GL_ARB_window_pos",
    "GL_EXT_blend_func_separate",
-   "GL_EXT_compiled_vertex_array",
    "GL_EXT_framebuffer_blit",
-   "GL_IBM_multimode_draw_arrays",
    "GL_MESA_window_pos",
 
    /* Required by GLES2 */
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index e60a05a9e..e704f2f2d 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -803,7 +803,6 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
       case GL_RASTER_POSITION_UNCLIPPED_IBM:
          if (ctx->API != API_OPENGL)
             goto invalid_enum_error;
-         CHECK_EXTENSION(IBM_rasterpos_clip, cap);
          if (ctx->Transform.RasterPositionUnclipped == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
@@ -1450,7 +1449,6 @@ _mesa_IsEnabled( GLenum cap )
       case GL_RASTER_POSITION_UNCLIPPED_IBM:
          if (ctx->API != API_OPENGL)
             goto invalid_enum_error;
-         CHECK_EXTENSION(IBM_rasterpos_clip);
          return ctx->Transform.RasterPositionUnclipped;
 
       /* GL_NV_point_sprite */
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index edee5967d..f8688cdb9 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -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 },
@@ -145,7 +146,7 @@ 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(dummy_true),                              GL,             2006 },
@@ -153,7 +154,7 @@ static const struct extension extension_table[] = {
    { "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 },
@@ -180,15 +181,15 @@ static const struct extension extension_table[] = {
    { "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 },
@@ -274,7 +275,7 @@ 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_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 },
@@ -286,15 +287,15 @@ static const struct extension extension_table[] = {
    { "GL_ATI_texture_env_combine3",                o(ATI_texture_env_combine3),                GLL,            2002 },
    { "GL_ATI_texture_float",                       o(ARB_texture_float),                       GL,             2002 },
    { "GL_ATI_texture_mirror_once",                 o(ATI_texture_mirror_once),                 GL,             2006 },
-   { "GL_IBM_multimode_draw_arrays",               o(IBM_multimode_draw_arrays),               GL,             1998 },
-   { "GL_IBM_rasterpos_clip",                      o(IBM_rasterpos_clip),                      GL,             1996 },
+   { "GL_IBM_multimode_draw_arrays",               o(dummy_true),                              GL,             1998 },
+   { "GL_IBM_rasterpos_clip",                      o(dummy_true),                              GL,             1996 },
    { "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(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 },
@@ -303,12 +304,12 @@ static const struct extension extension_table[] = {
    { "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_option",              o(NV_fragment_program_option),              GLL,            2005 },
-   { "GL_NV_light_max_exponent",                   o(NV_light_max_exponent),                   GLL,            1999 },
+   { "GL_NV_light_max_exponent",                   o(dummy_true),                              GLL,            1999 },
    { "GL_NV_packed_depth_stencil",                 o(EXT_packed_depth_stencil),                GL,             2000 },
    { "GL_NV_point_sprite",                         o(NV_point_sprite),                         GL,             2001 },
    { "GL_NV_primitive_restart",                    o(NV_primitive_restart),                    GL,             2002 },
    { "GL_NV_read_buffer",                          o(dummy_true),                              ES2,            2011 },
-   { "GL_NV_texgen_reflection",                    o(NV_texgen_reflection),                    GLL,            1999 },
+   { "GL_NV_texgen_reflection",                    o(dummy_true),                              GLL,            1999 },
    { "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 },
@@ -316,7 +317,7 @@ static const struct extension extension_table[] = {
    { "GL_SGIS_generate_mipmap",                    o(dummy_true),                              GLL,            1997 },
    { "GL_SGIS_texture_border_clamp",               o(ARB_texture_border_clamp),                GLL,            1997 },
    { "GL_SGIS_texture_edge_clamp",                 o(dummy_true),                              GLL,            1997 },
-   { "GL_SGIS_texture_lod",                        o(SGIS_texture_lod),                        GLL,            1997 },
+   { "GL_SGIS_texture_lod",                        o(dummy_true),                              GLL,            1997 },
    { "GL_SUN_multi_draw_arrays",                   o(dummy_true),                              GLL,            1999 },
 
    { 0, 0, 0, 0 },
@@ -349,46 +350,12 @@ name_to_offset(const char* name)
 
 
 /**
- * \brief Extensions enabled by default.
- *
- * These extensions are enabled by _mesa_init_extensions().
- *
- * 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),
-   o(NV_texgen_reflection),
-   o(SGIS_texture_lod),
-
-   0,
-};
-
-
-/**
  * Enable all extensions suitable for a software-only renderer.
  * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
  */
 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;
@@ -461,20 +428,18 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
    /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
-   /*ctx->Extensions.IBM_multimode_draw_arrays = 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_light_max_exponent = GL_TRUE;*/
    ctx->Extensions.NV_point_sprite = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
-   /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
    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");
    if (ctx->Mesa_DXTn) {
       ctx->Extensions.ANGLE_texture_compression_dxt = GL_TRUE;
@@ -495,7 +460,6 @@ _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;*/
 }
 
 
@@ -510,7 +474,6 @@ _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;
@@ -717,7 +680,6 @@ _mesa_init_extensions( struct gl_context *ctx )
    GLboolean *base = (GLboolean *) &ctx->Extensions;
    GLboolean *sentinel = base + o(extension_sentinel);
    GLboolean *i;
-   const size_t *j;
 
    /* First, turn all extensions off. */
    for (i = base; i != sentinel; ++i)
@@ -725,8 +687,7 @@ _mesa_init_extensions( struct gl_context *ctx )
 
    /* Then, selectively turn default extensions on. */
    ctx->Extensions.dummy_true = GL_TRUE;
-   for (j = default_extensions; *j != 0; ++j)
-      base[*j] = GL_TRUE;
+   ctx->Extensions.EXT_texture3D = GL_TRUE;
 }
 
 
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 805f0f978..c34d873f2 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -303,11 +303,9 @@ EXTRA_EXT(EXT_secondary_color);
 EXTRA_EXT(EXT_fog_coord);
 EXTRA_EXT(NV_fog_distance);
 EXTRA_EXT(EXT_texture_filter_anisotropic);
-EXTRA_EXT(IBM_rasterpos_clip);
 EXTRA_EXT(NV_point_sprite);
 EXTRA_EXT(NV_texture_rectangle);
 EXTRA_EXT(EXT_stencil_two_side);
-EXTRA_EXT(NV_light_max_exponent);
 EXTRA_EXT(EXT_depth_bounds_test);
 EXTRA_EXT(ARB_depth_clamp);
 EXTRA_EXT(ATI_fragment_shader);
@@ -319,7 +317,6 @@ 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(EXT_compiled_vertex_array);
 EXTRA_EXT(ARB_sync);
 EXTRA_EXT(ARB_vertex_shader);
 EXTRA_EXT(EXT_transform_feedback);
@@ -331,13 +328,13 @@ EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
 EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
 EXTRA_EXT(ARB_geometry_shader4);
 EXTRA_EXT(ARB_color_buffer_float);
-EXTRA_EXT(ARB_copy_buffer);
 EXTRA_EXT(EXT_framebuffer_sRGB);
 EXTRA_EXT(ARB_texture_buffer_object);
 EXTRA_EXT(OES_EGL_image_external);
 EXTRA_EXT(ARB_blend_func_extended);
 EXTRA_EXT(ARB_uniform_buffer_object);
 EXTRA_EXT(ARB_timer_query);
+EXTRA_EXT(ARB_map_buffer_alignment);
 
 static const int
 extra_NV_primitive_restart[] = {
@@ -360,7 +357,7 @@ extra_ARB_vertex_program_api_es2[] = {
  * GLES2 if the NV_read_buffer extension is available. */
 static const int
 extra_NV_read_buffer_api_gl[] = {
-   EXT(NV_read_buffer),
+   EXTRA_API_ES2,
    EXTRA_API_GL,
    EXTRA_END
 };
diff --git a/mesalib/src/mesa/main/get_hash_params.py b/mesalib/src/mesa/main/get_hash_params.py
index 7a25cb10c..376df09ee 100644
--- a/mesalib/src/mesa/main/get_hash_params.py
+++ b/mesalib/src/mesa/main/get_hash_params.py
@@ -99,8 +99,8 @@ descriptor=[
   [ "CLAMP_READ_COLOR", "CONTEXT_ENUM(Color.ClampReadColor), extra_ARB_color_buffer_float" ],
 
 # GL_ARB_copy_buffer
-  [ "COPY_READ_BUFFER", "LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer" ],
-  [ "COPY_WRITE_BUFFER", "LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer" ],
+  [ "COPY_READ_BUFFER", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
+  [ "COPY_WRITE_BUFFER", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
 
 # GL_OES_read_format
   [ "IMPLEMENTATION_COLOR_READ_TYPE_OES", "LOC_CUSTOM, TYPE_INT, 0, extra_new_buffers" ],
@@ -480,8 +480,8 @@ descriptor=[
   [ "TEXTURE_COMPRESSION_HINT_ARB", "CONTEXT_INT(Hint.TextureCompression), NO_EXTRA" ],
 
 # GL_EXT_compiled_vertex_array
-  [ "ARRAY_ELEMENT_LOCK_FIRST_EXT", "CONTEXT_INT(Array.LockFirst), extra_EXT_compiled_vertex_array" ],
-  [ "ARRAY_ELEMENT_LOCK_COUNT_EXT", "CONTEXT_INT(Array.LockCount), extra_EXT_compiled_vertex_array" ],
+  [ "ARRAY_ELEMENT_LOCK_FIRST_EXT", "CONTEXT_INT(Array.LockFirst), NO_EXTRA" ],
+  [ "ARRAY_ELEMENT_LOCK_COUNT_EXT", "CONTEXT_INT(Array.LockCount), NO_EXTRA" ],
 
 # GL_ARB_transpose_matrix
   [ "TRANSPOSE_MODELVIEW_MATRIX_ARB", "CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA" ],
@@ -507,7 +507,7 @@ descriptor=[
   [ "FOG_DISTANCE_MODE_NV", "CONTEXT_ENUM(Fog.FogDistanceMode), extra_NV_fog_distance" ],
 
 # GL_IBM_rasterpos_clip
-  [ "RASTER_POSITION_UNCLIPPED_IBM", "CONTEXT_BOOL(Transform.RasterPositionUnclipped), extra_IBM_rasterpos_clip" ],
+  [ "RASTER_POSITION_UNCLIPPED_IBM", "CONTEXT_BOOL(Transform.RasterPositionUnclipped), NO_EXTRA" ],
 
 # GL_NV_point_sprite
   [ "POINT_SPRITE_R_MODE_NV", "CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite" ],
@@ -523,8 +523,8 @@ descriptor=[
   [ "ACTIVE_STENCIL_FACE_EXT", "LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA" ],
 
 # GL_NV_light_max_exponent
-  [ "MAX_SHININESS_NV", "CONTEXT_FLOAT(Const.MaxShininess), extra_NV_light_max_exponent" ],
-  [ "MAX_SPOT_EXPONENT_NV", "CONTEXT_FLOAT(Const.MaxSpotExponent), extra_NV_light_max_exponent" ],
+  [ "MAX_SHININESS_NV", "CONTEXT_FLOAT(Const.MaxShininess), NO_EXTRA" ],
+  [ "MAX_SPOT_EXPONENT_NV", "CONTEXT_FLOAT(Const.MaxSpotExponent), NO_EXTRA" ],
 
 # GL_NV_primitive_restart
   [ "PRIMITIVE_RESTART_NV", "CONTEXT_BOOL(Array.PrimitiveRestart), extra_NV_primitive_restart" ],
@@ -685,6 +685,9 @@ descriptor=[
 
 # GL_ARB_timer_query
   [ "TIMESTAMP", "LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query" ],
+
+# GL_ARB_map_buffer_alignment
+  [ "MIN_MAP_BUFFER_ALIGNMENT", "CONTEXT_INT(Const.MinMapBufferAlignment), extra_ARB_map_buffer_alignment" ],
 ]}
 
 ]
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 7f2adc773..c8f2ca325 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2919,6 +2919,9 @@ struct gl_constants
     * Force software support for primitive restart in the VBO module.
     */
    GLboolean PrimitiveRestartInSoftware;
+
+   /** GL_ARB_map_buffer_alignment */
+   GLuint MinMapBufferAlignment;
 };
 
 
@@ -2937,7 +2940,6 @@ struct gl_extensions
    GLboolean ARB_blend_func_extended;
    GLboolean ARB_color_buffer_float;
    GLboolean ARB_conservative_depth;
-   GLboolean ARB_copy_buffer;
    GLboolean ARB_depth_buffer_float;
    GLboolean ARB_depth_clamp;
    GLboolean ARB_depth_texture;
@@ -2954,6 +2956,7 @@ struct gl_extensions
    GLboolean ARB_half_float_pixel;
    GLboolean ARB_half_float_vertex;
    GLboolean ARB_instanced_arrays;
+   GLboolean ARB_map_buffer_alignment;
    GLboolean ARB_map_buffer_range;
    GLboolean ARB_occlusion_query;
    GLboolean ARB_occlusion_query2;
@@ -2983,21 +2986,17 @@ struct gl_extensions
    GLboolean ARB_transform_feedback2;
    GLboolean ARB_transform_feedback3;
    GLboolean ARB_transform_feedback_instanced;
-   GLboolean ARB_transpose_matrix;
    GLboolean ARB_uniform_buffer_object;
    GLboolean ARB_vertex_program;
    GLboolean ARB_vertex_shader;
    GLboolean ARB_vertex_type_2_10_10_10_rev;
-   GLboolean ARB_window_pos;
    GLboolean EXT_blend_color;
    GLboolean EXT_blend_equation_separate;
    GLboolean EXT_blend_func_separate;
    GLboolean EXT_blend_minmax;
    GLboolean EXT_clip_volume_hint;
-   GLboolean EXT_compiled_vertex_array;
    GLboolean EXT_depth_bounds_test;
    GLboolean EXT_draw_buffers2;
-   GLboolean EXT_draw_range_elements;
    GLboolean EXT_fog_coord;
    GLboolean EXT_framebuffer_blit;
    GLboolean EXT_framebuffer_multisample;
@@ -3007,15 +3006,12 @@ struct gl_extensions
    GLboolean EXT_gpu_shader4;
    GLboolean EXT_packed_depth_stencil;
    GLboolean EXT_packed_float;
-   GLboolean EXT_packed_pixels;
    GLboolean EXT_pixel_buffer_object;
    GLboolean EXT_point_parameters;
    GLboolean EXT_provoking_vertex;
-   GLboolean EXT_rescale_normal;
    GLboolean EXT_shadow_funcs;
    GLboolean EXT_secondary_color;
    GLboolean EXT_separate_shader_objects;
-   GLboolean EXT_separate_specular_color;
    GLboolean EXT_stencil_two_side;
    GLboolean EXT_texture3D;
    GLboolean EXT_texture_array;
@@ -3036,7 +3032,6 @@ struct gl_extensions
    GLboolean OES_standard_derivatives;
    /* vendor extensions */
    GLboolean AMD_seamless_cubemap_per_texture;
-   GLboolean APPLE_packed_pixels;
    GLboolean APPLE_object_purgeable;
    GLboolean ATI_envmap_bumpmap;
    GLboolean ATI_texture_compression_3dc;
@@ -3044,8 +3039,6 @@ struct gl_extensions
    GLboolean ATI_texture_env_combine3;
    GLboolean ATI_fragment_shader;
    GLboolean ATI_separate_stencil;
-   GLboolean IBM_rasterpos_clip;
-   GLboolean IBM_multimode_draw_arrays;
    GLboolean MESA_pack_invert;
    GLboolean MESA_resize_buffers;
    GLboolean MESA_ycbcr_texture;
@@ -3054,15 +3047,11 @@ struct gl_extensions
    GLboolean NV_conditional_render;
    GLboolean NV_fog_distance;
    GLboolean NV_fragment_program_option;
-   GLboolean NV_light_max_exponent;
    GLboolean NV_point_sprite;
    GLboolean NV_primitive_restart;
-   GLboolean NV_read_buffer;
    GLboolean NV_texture_barrier;
-   GLboolean NV_texgen_reflection;
    GLboolean NV_texture_env_combine4;
    GLboolean NV_texture_rectangle;
-   GLboolean SGIS_texture_lod;
    GLboolean TDFX_texture_compression_FXT1;
    GLboolean S3_s3tc;
    GLboolean OES_EGL_image;
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index 5778792a6..fe7258894 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -161,7 +161,6 @@ compute_version(struct gl_context *ctx)
                               ctx->Extensions.ARB_depth_texture &&
                               ctx->Extensions.ARB_shadow &&
                               ctx->Extensions.ARB_texture_env_crossbar &&
-                              ctx->Extensions.ARB_window_pos &&
                               ctx->Extensions.EXT_blend_color &&
                               ctx->Extensions.EXT_blend_func_separate &&
                               ctx->Extensions.EXT_blend_minmax &&
@@ -213,7 +212,6 @@ compute_version(struct gl_context *ctx)
                               ctx->Extensions.NV_conditional_render);
    const GLboolean ver_3_1 = (ver_3_0 &&
                               ctx->Const.GLSLVersion >= 140 &&
-                              ctx->Extensions.ARB_copy_buffer &&
                               ctx->Extensions.ARB_draw_instanced &&
                               ctx->Extensions.ARB_texture_buffer_object &&
                               ctx->Extensions.ARB_uniform_buffer_object &&
diff --git a/mesalib/src/mesa/state_tracker/st_atom_array.c b/mesalib/src/mesa/state_tracker/st_atom_array.c
index ab46f1188..15f5d1c95 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_array.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_array.c
@@ -574,7 +574,13 @@ static void update_array(struct st_context *st)
       num_velements = vpv->num_inputs;
    }
 
-   cso_set_vertex_buffers(st->cso_context, num_vbuffers, vbuffer);
+   cso_set_vertex_buffers(st->cso_context, 0, num_vbuffers, vbuffer);
+   if (st->last_num_vbuffers > num_vbuffers) {
+      /* Unbind remaining buffers, if any. */
+      cso_set_vertex_buffers(st->cso_context, num_vbuffers,
+                             st->last_num_vbuffers - num_vbuffers, NULL);
+   }
+   st->last_num_vbuffers = num_vbuffers;
    cso_set_vertex_elements(st->cso_context, num_velements, velements);
 }
 
@@ -582,7 +588,7 @@ static void update_array(struct st_context *st)
 const struct st_tracked_state st_update_array = {
    "st_update_array",					/* name */
    {							/* dirty */
-      (_NEW_PROGRAM | _NEW_BUFFER_OBJECT),		/* mesa */
+      _NEW_BUFFER_OBJECT,                               /* mesa */
       ST_NEW_VERTEX_ARRAYS | ST_NEW_VERTEX_PROGRAM,     /* st */
    },
    update_array						/* update */
diff --git a/mesalib/src/mesa/state_tracker/st_atom_clip.c b/mesalib/src/mesa/state_tracker/st_atom_clip.c
index a1a7e003a..8558d768f 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_clip.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_clip.c
@@ -67,8 +67,8 @@ static void update_clip( struct st_context *st )
 const struct st_tracked_state st_update_clip = {
    "st_update_clip",					/* name */
    {							/* dirty */
-      (_NEW_TRANSFORM | _NEW_PROGRAM),			/* mesa */
-      0,						/* st */
+      _NEW_TRANSFORM,                                   /* mesa */
+      ST_NEW_VERTEX_PROGRAM,				/* st */
    },
    update_clip						/* update */
 };
diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
index fd9228583..580393e60 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
@@ -125,7 +125,7 @@ static void update_vs_constants(struct st_context *st )
 const struct st_tracked_state st_update_vs_constants = {
    "st_update_vs_constants",				/* name */
    {							/* dirty */
-      (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS),          /* mesa */
+      _NEW_PROGRAM_CONSTANTS,                           /* mesa */
       ST_NEW_VERTEX_PROGRAM,				/* st */
    },
    update_vs_constants					/* update */
@@ -148,7 +148,7 @@ static void update_fs_constants(struct st_context *st )
 const struct st_tracked_state st_update_fs_constants = {
    "st_update_fs_constants",				/* name */
    {							/* dirty */
-      (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS),          /* mesa */
+      _NEW_PROGRAM_CONSTANTS,                           /* mesa */
       ST_NEW_FRAGMENT_PROGRAM,				/* st */
    },
    update_fs_constants					/* update */
@@ -170,7 +170,7 @@ static void update_gs_constants(struct st_context *st )
 const struct st_tracked_state st_update_gs_constants = {
    "st_update_gs_constants",				/* name */
    {							/* dirty */
-      (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS),          /* mesa */
+      _NEW_PROGRAM_CONSTANTS,                           /* mesa */
       ST_NEW_GEOMETRY_PROGRAM,				/* st */
    },
    update_gs_constants					/* update */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index b024ef0db..843dc5be3 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -457,7 +457,7 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_save_vertex_shader(cso);
    cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
-   cso_save_vertex_buffers(cso);
+   cso_save_aux_vertex_buffer_slot(cso);
 
    /* rasterizer state: just scissor */
    st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
@@ -526,7 +526,9 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
 			    x, y, width, height, z, color, &vbuf, &offset);
 
    if (vbuf) {
-      util_draw_vertex_buffer(pipe, st->cso_context, vbuf, offset,
+      util_draw_vertex_buffer(pipe, st->cso_context, vbuf,
+                              cso_get_aux_vertex_buffer_slot(st->cso_context),
+                              offset,
                               PIPE_PRIM_TRIANGLE_FAN,
                               4,  /* verts */
                               3); /* attribs/vert */
@@ -541,7 +543,7 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_vertex_shader(cso);
    cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
-   cso_restore_vertex_buffers(cso);
+   cso_restore_aux_vertex_buffer_slot(cso);
    cso_restore_stream_outputs(cso);
 
    pipe_resource_reference(&vbuf, NULL);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 90eb0af4f..4aa0bc18f 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -176,7 +176,9 @@ draw_quad(struct st_context *st,
    /* draw */
    util_draw_vertex_buffer(pipe,
                            st->cso_context,
-                           vbuf, offset,
+                           vbuf,
+                           cso_get_aux_vertex_buffer_slot(st->cso_context),
+                           offset,
                            PIPE_PRIM_TRIANGLE_FAN,
                            4,  /* verts */
                            2); /* attribs/vert */
@@ -225,7 +227,7 @@ clear_with_quad(struct gl_context *ctx,
    cso_save_vertex_shader(st->cso_context);
    cso_save_geometry_shader(st->cso_context);
    cso_save_vertex_elements(st->cso_context);
-   cso_save_vertex_buffers(st->cso_context);
+   cso_save_aux_vertex_buffer_slot(st->cso_context);
 
    /* blend state: RGBA masking */
    {
@@ -325,7 +327,7 @@ clear_with_quad(struct gl_context *ctx,
    cso_restore_vertex_shader(st->cso_context);
    cso_restore_geometry_shader(st->cso_context);
    cso_restore_vertex_elements(st->cso_context);
-   cso_restore_vertex_buffers(st->cso_context);
+   cso_restore_aux_vertex_buffer_slot(st->cso_context);
    cso_restore_stream_outputs(st->cso_context);
 }
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 642011488..ff8a9dc43 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -637,7 +637,9 @@ draw_quad(struct gl_context *ctx, GLfloat x0, GLfloat y0, GLfloat z,
    }
 
    u_upload_unmap(st->uploader);
-   util_draw_vertex_buffer(pipe, st->cso_context, buf, offset,
+   util_draw_vertex_buffer(pipe, st->cso_context, buf,
+                           cso_get_aux_vertex_buffer_slot(st->cso_context),
+                           offset,
 			   PIPE_PRIM_QUADS,
 			   4,  /* verts */
 			   3); /* attribs/vert */
@@ -683,7 +685,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_save_vertex_shader(cso);
    cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
-   cso_save_vertex_buffers(cso);
+   cso_save_aux_vertex_buffer_slot(cso);
    if (write_stencil) {
       cso_save_depth_stencil_alpha(cso);
       cso_save_blend(cso);
@@ -808,7 +810,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_vertex_shader(cso);
    cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
-   cso_restore_vertex_buffers(cso);
+   cso_restore_aux_vertex_buffer_slot(cso);
    cso_restore_stream_outputs(cso);
    if (write_stencil) {
       cso_restore_depth_stencil_alpha(cso);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
index e87de4406..269068da2 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
@@ -228,7 +228,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    cso_save_vertex_shader(cso);
    cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
-   cso_save_vertex_buffers(cso);
+   cso_save_aux_vertex_buffer_slot(cso);
 
    {
       void *vs = lookup_shader(pipe, numAttribs,
@@ -266,6 +266,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 
 
    util_draw_vertex_buffer(pipe, cso, vbuffer,
+			   cso_get_aux_vertex_buffer_slot(cso),
                            offset,  /* offset */
                            PIPE_PRIM_TRIANGLE_FAN,
                            4,  /* verts */
@@ -279,7 +280,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    cso_restore_vertex_shader(cso);
    cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
-   cso_restore_vertex_buffers(cso);
+   cso_restore_aux_vertex_buffer_slot(cso);
    cso_restore_stream_outputs(cso);
 }
 
diff --git a/mesalib/src/mesa/state_tracker/st_context.c b/mesalib/src/mesa/state_tracker/st_context.c
index da361d887..69bd50336 100644
--- a/mesalib/src/mesa/state_tracker/st_context.c
+++ b/mesalib/src/mesa/state_tracker/st_context.c
@@ -173,7 +173,8 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
       memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element));
       st->velems_util_draw[i].src_offset = i * 4 * sizeof(float);
       st->velems_util_draw[i].instance_divisor = 0;
-      st->velems_util_draw[i].vertex_buffer_index = 0;
+      st->velems_util_draw[i].vertex_buffer_index =
+            cso_get_aux_vertex_buffer_slot(st->cso_context);
       st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_context.h b/mesalib/src/mesa/state_tracker/st_context.h
index c85d09cb5..2cc52773e 100644
--- a/mesalib/src/mesa/state_tracker/st_context.h
+++ b/mesalib/src/mesa/state_tracker/st_context.h
@@ -188,6 +188,9 @@ struct st_context
    int force_msaa;
    void *winsys_drawable_handle;
 
+   /* The number of vertex buffers from the last call of validate_arrays. */
+   unsigned last_num_vbuffers;
+
    /* Active render condition. */
    struct pipe_query *render_condition;
    unsigned condition_mode;
diff --git a/mesalib/src/mesa/state_tracker/st_draw_feedback.c b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
index a6c7d0eec..ae87fb28d 100644
--- a/mesalib/src/mesa/state_tracker/st_draw_feedback.c
+++ b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
@@ -205,7 +205,7 @@ st_feedback_draw_vbo(struct gl_context *ctx,
 #endif
    }
 
-   draw_set_vertex_buffers(draw, vp->num_inputs, vbuffers);
+   draw_set_vertex_buffers(draw, 0, vp->num_inputs, vbuffers);
    draw_set_vertex_elements(draw, vp->num_inputs, velements);
 
    memset(&ibuffer, 0, sizeof(ibuffer));
@@ -264,5 +264,5 @@ st_feedback_draw_vbo(struct gl_context *ctx,
       draw_set_mapped_vertex_buffer(draw, attr, NULL);
       pipe_resource_reference(&vbuffers[attr].buffer, NULL);
    }
-   draw_set_vertex_buffers(draw, 0, NULL);
+   draw_set_vertex_buffers(draw, 0, vp->num_inputs, NULL);
 }
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 0560f3a8a..887700568 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -377,6 +377,8 @@ void st_init_extensions(struct st_context *st)
       /* GL_NV_point_sprite is not supported by gallium because we don't
        * support the GL_POINT_SPRITE_R_MODE_NV option. */
       { o(MESA_texture_array),               PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS         },
+
+      { o(OES_standard_derivatives),         PIPE_CAP_SM3                              }
    };
 
    /* Required: render target and sampler support */
@@ -479,7 +481,6 @@ void st_init_extensions(struct st_context *st)
     * Extensions that are supported by all Gallium drivers:
     */
    ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
-   ctx->Extensions.ARB_copy_buffer = GL_TRUE;
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
    ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
@@ -498,7 +499,6 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
    ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-   ctx->Extensions.ARB_window_pos = GL_TRUE;
 
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
@@ -522,7 +522,6 @@ void st_init_extensions(struct st_context *st)
 
    ctx->Extensions.NV_blend_square = GL_TRUE;
    ctx->Extensions.NV_fog_distance = GL_TRUE;
-   ctx->Extensions.NV_texgen_reflection = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
 
@@ -637,4 +636,10 @@ void st_init_extensions(struct st_context *st)
    }
    if (st->options.force_glsl_extensions_warn)
 	   ctx->Const.ForceGLSLExtensionsWarn = 1;
+
+   ctx->Const.MinMapBufferAlignment =
+      screen->get_param(screen, PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT);
+   if (ctx->Const.MinMapBufferAlignment >= 64) {
+      ctx->Extensions.ARB_map_buffer_alignment = GL_TRUE;
+   }
 }