mesa git update 31 oct 2012

mesa: 183e122bdfe27f875c3c121964484dae9587c051

35 files changed, 427 insertions, 283 deletions

diff --git a/mesalib/docs/GL3.txt b/mesalib/docs/GL3.txt
index 4efe4bfeb..4f44764c2 100644
--- a/mesalib/docs/GL3.txt
+++ b/mesalib/docs/GL3.txt
@@ -127,7 +127,7 @@ GL_ARB_shader_image_load_store                       not started
 GL_ARB_conservative_depth                            DONE (softpipe)
 GL_ARB_shading_language_420pack                      not started
 GL_ARB_internalformat_query                          not started
-GL_ARB_map_buffer_alignment                          not started
+GL_ARB_map_buffer_alignment                          DONE (r300, r600, radeonsi)
 
 
 GL 4.3:
diff --git a/mesalib/docs/relnotes-9.1.html b/mesalib/docs/relnotes-9.1.html
index 19bea7fac..5bf9d8c13 100644
--- a/mesalib/docs/relnotes-9.1.html
+++ b/mesalib/docs/relnotes-9.1.html
@@ -44,7 +44,7 @@ Note: some of the new features are only available with certain drivers.
 </p>
 
 <ul>
-<li>tbd</li>
+<li>GL_ARB_map_buffer_alignment</li>
 </ul>
 
 
diff --git a/mesalib/src/gallium/auxiliary/Makefile.sources b/mesalib/src/gallium/auxiliary/Makefile.sources
index 2807c780d..6258861f0 100644
--- a/mesalib/src/gallium/auxiliary/Makefile.sources
+++ b/mesalib/src/gallium/auxiliary/Makefile.sources
@@ -115,6 +115,7 @@ C_SOURCES := \
 	util/u_handle_table.c \
 	util/u_hash.c \
 	util/u_hash_table.c \
+	util/u_helpers.c \
 	util/u_index_modify.c \
 	util/u_keymap.c \
 	util/u_linear.c \
diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c
index bf1c392cd..ab1549e2d 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blit.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blit.c
@@ -133,7 +133,7 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
    for (i = 0; i < 2; i++) {
       ctx->velem[i].src_offset = i * 4 * sizeof(float);
       ctx->velem[i].instance_divisor = 0;
-      ctx->velem[i].vertex_buffer_index = 0;
+      ctx->velem[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso);
       ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    }
 
@@ -665,7 +665,7 @@ util_blit_pixels(struct blit_state *ctx,
    cso_save_vertex_shader(ctx->cso);
    cso_save_geometry_shader(ctx->cso);
    cso_save_vertex_elements(ctx->cso);
-   cso_save_vertex_buffers(ctx->cso);
+   cso_save_aux_vertex_buffer_slot(ctx->cso);
 
    /* set misc state we care about */
    if (writemask)
@@ -776,7 +776,9 @@ util_blit_pixels(struct blit_state *ctx,
                                   z);
 
    if (ctx->vbuf) {
-      util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, offset,
+      util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf,
+                              cso_get_aux_vertex_buffer_slot(ctx->cso),
+                              offset,
                               PIPE_PRIM_TRIANGLE_FAN,
                               4,  /* verts */
                               2); /* attribs/vert */
@@ -795,7 +797,7 @@ util_blit_pixels(struct blit_state *ctx,
    cso_restore_vertex_shader(ctx->cso);
    cso_restore_geometry_shader(ctx->cso);
    cso_restore_vertex_elements(ctx->cso);
-   cso_restore_vertex_buffers(ctx->cso);
+   cso_restore_aux_vertex_buffer_slot(ctx->cso);
    cso_restore_stream_outputs(ctx->cso);
 
    pipe_sampler_view_reference(&sampler_view, NULL);
@@ -869,7 +871,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_save_vertex_shader(ctx->cso);
    cso_save_geometry_shader(ctx->cso);
    cso_save_vertex_elements(ctx->cso);
-   cso_save_vertex_buffers(ctx->cso);
+   cso_save_aux_vertex_buffer_slot(ctx->cso);
 
    /* set misc state we care about */
    cso_set_blend(ctx->cso, &ctx->blend_write_color);
@@ -923,8 +925,9 @@ util_blit_pixels_tex(struct blit_state *ctx,
                                   s0, t0, s1, t1,
                                   z);
 
-   util_draw_vertex_buffer(ctx->pipe, ctx->cso,
-                           ctx->vbuf, offset,
+   util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf,
+                           cso_get_aux_vertex_buffer_slot(ctx->cso),
+                           offset,
                            PIPE_PRIM_TRIANGLE_FAN,
                            4,  /* verts */
                            2); /* attribs/vert */
@@ -942,6 +945,6 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_restore_vertex_shader(ctx->cso);
    cso_restore_geometry_shader(ctx->cso);
    cso_restore_vertex_elements(ctx->cso);
-   cso_restore_vertex_buffers(ctx->cso);
+   cso_restore_aux_vertex_buffer_slot(ctx->cso);
    cso_restore_stream_outputs(ctx->cso);
 }
diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.c b/mesalib/src/gallium/auxiliary/util/u_blitter.c
index f4ac4aa86..bb784d6b3 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.c
@@ -158,7 +158,6 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
    ctx->base.saved_fb_state.nr_cbufs = ~0;
    ctx->base.saved_num_sampler_views = ~0;
    ctx->base.saved_num_sampler_states = ~0;
-   ctx->base.saved_num_vertex_buffers = ~0;
    ctx->base.saved_num_so_targets = ~0;
 
    ctx->has_geometry_shader =
@@ -241,11 +240,14 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
       ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state);
    }
 
+   ctx->base.vb_slot = 0; /* 0 for now */
+
    /* vertex elements states */
    memset(&velem[0], 0, sizeof(velem[0]) * 2);
    for (i = 0; i < 2; i++) {
       velem[i].src_offset = i * 4 * sizeof(float);
       velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+      velem[i].vertex_buffer_index = ctx->base.vb_slot;
    }
    ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]);
 
@@ -253,20 +255,25 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
       memset(&velem[0], 0, sizeof(velem[0]) * 2);
       velem[0].src_offset = 0;
       velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+      velem[0].vertex_buffer_index = ctx->base.vb_slot;
       velem[1].src_offset = 4 * sizeof(float);
       velem[1].src_format = PIPE_FORMAT_R32G32B32A32_SINT;
+      velem[1].vertex_buffer_index = ctx->base.vb_slot;
       ctx->velem_sint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]);
 
       memset(&velem[0], 0, sizeof(velem[0]) * 2);
       velem[0].src_offset = 0;
       velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+      velem[0].vertex_buffer_index = ctx->base.vb_slot;
       velem[1].src_offset = 4 * sizeof(float);
       velem[1].src_format = PIPE_FORMAT_R32G32B32A32_UINT;
+      velem[1].vertex_buffer_index = ctx->base.vb_slot;
       ctx->velem_uint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]);
    }
 
    if (ctx->has_stream_out) {
       velem[0].src_format = PIPE_FORMAT_R32_UINT;
+      velem[0].vertex_buffer_index = ctx->base.vb_slot;
       ctx->velem_state_readbuf = pipe->create_vertex_elements_state(pipe, 1, &velem[0]);
    }
 
@@ -387,7 +394,6 @@ static void blitter_unset_running_flag(struct blitter_context_priv *ctx)
 
 static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx)
 {
-   assert(ctx->base.saved_num_vertex_buffers != ~0);
    assert(ctx->base.saved_velem_state != INVALID_PTR);
    assert(ctx->base.saved_vs != INVALID_PTR);
    assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR);
@@ -400,18 +406,10 @@ static void blitter_restore_vertex_states(struct blitter_context_priv *ctx)
    struct pipe_context *pipe = ctx->base.pipe;
    unsigned i;
 
-   /* Vertex buffers. */
-   pipe->set_vertex_buffers(pipe,
-                            ctx->base.saved_num_vertex_buffers,
-                            ctx->base.saved_vertex_buffers);
-
-   for (i = 0; i < ctx->base.saved_num_vertex_buffers; i++) {
-      if (ctx->base.saved_vertex_buffers[i].buffer) {
-         pipe_resource_reference(&ctx->base.saved_vertex_buffers[i].buffer,
-                                 NULL);
-      }
-   }
-   ctx->base.saved_num_vertex_buffers = ~0;
+   /* Vertex buffer. */
+   pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1,
+                            &ctx->base.saved_vertex_buffer);
+   pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL);
 
    /* Vertex elements. */
    pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state);
@@ -935,8 +933,8 @@ static void blitter_draw(struct blitter_context_priv *ctx,
    u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices,
                  &offset, &buf);
    u_upload_unmap(ctx->upload);
-   util_draw_vertex_buffer(ctx->base.pipe, NULL, buf, offset,
-                           PIPE_PRIM_TRIANGLE_FAN, 4, 2);
+   util_draw_vertex_buffer(ctx->base.pipe, NULL, buf, ctx->base.vb_slot,
+                           offset, PIPE_PRIM_TRIANGLE_FAN, 4, 2);
    pipe_resource_reference(&buf, NULL);
 }
 
@@ -1687,7 +1685,7 @@ void util_blitter_copy_buffer(struct blitter_context *blitter,
    vb.buffer_offset = srcx;
    vb.stride = 4;
 
-   pipe->set_vertex_buffers(pipe, 1, &vb);
+   pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
    pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf);
    pipe->bind_vs_state(pipe, ctx->vs_pos_only);
    if (ctx->has_geometry_shader)
diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.h b/mesalib/src/gallium/auxiliary/util/u_blitter.h
index c49faaad7..b96e68e93 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.h
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.h
@@ -104,8 +104,8 @@ struct blitter_context
    unsigned saved_num_sampler_views;
    struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS];
 
-   unsigned saved_num_vertex_buffers;
-   struct pipe_vertex_buffer saved_vertex_buffers[PIPE_MAX_ATTRIBS];
+   unsigned vb_slot;
+   struct pipe_vertex_buffer saved_vertex_buffer;
 
    unsigned saved_num_so_targets;
    struct pipe_stream_output_target *saved_so_targets[PIPE_MAX_SO_BUFFERS];
@@ -466,17 +466,13 @@ util_blitter_save_fragment_sampler_views(struct blitter_context *blitter,
 }
 
 static INLINE void
-util_blitter_save_vertex_buffers(struct blitter_context *blitter,
-                                 unsigned num_vertex_buffers,
-                                 struct pipe_vertex_buffer *vertex_buffers)
+util_blitter_save_vertex_buffer_slot(struct blitter_context *blitter,
+                                     struct pipe_vertex_buffer *vertex_buffers)
 {
-   assert(num_vertex_buffers <= Elements(blitter->saved_vertex_buffers));
-
-   blitter->saved_num_vertex_buffers = 0;
-   util_copy_vertex_buffers(blitter->saved_vertex_buffers,
-                            (unsigned*)&blitter->saved_num_vertex_buffers,
-                            vertex_buffers,
-                            num_vertex_buffers);
+   pipe_resource_reference(&blitter->saved_vertex_buffer.buffer,
+                           vertex_buffers[blitter->vb_slot].buffer);
+   memcpy(&blitter->saved_vertex_buffer, &vertex_buffers[blitter->vb_slot],
+          sizeof(struct pipe_vertex_buffer));
 }
 
 static INLINE void
diff --git a/mesalib/src/gallium/auxiliary/util/u_draw_quad.c b/mesalib/src/gallium/auxiliary/util/u_draw_quad.c
index 81c4f107e..3fe324afa 100644
--- a/mesalib/src/gallium/auxiliary/util/u_draw_quad.c
+++ b/mesalib/src/gallium/auxiliary/util/u_draw_quad.c
@@ -42,6 +42,7 @@ void
 util_draw_vertex_buffer(struct pipe_context *pipe,
                         struct cso_context *cso,
                         struct pipe_resource *vbuf,
+                        uint vbuf_slot,
                         uint offset,
                         uint prim_type,
                         uint num_verts,
@@ -60,10 +61,10 @@ util_draw_vertex_buffer(struct pipe_context *pipe,
    /* note: vertex elements already set by caller */
 
    if (cso) {
-      cso_set_vertex_buffers(cso, 1, &vbuffer);
+      cso_set_vertex_buffers(cso, vbuf_slot, 1, &vbuffer);
       cso_draw_arrays(cso, prim_type, 0, num_verts);
    } else {
-      pipe->set_vertex_buffers(pipe, 1, &vbuffer);
+      pipe->set_vertex_buffers(pipe, vbuf_slot, 1, &vbuffer);
       util_draw_arrays(pipe, prim_type, 0, num_verts);
    }
 }
@@ -86,7 +87,7 @@ util_draw_user_vertex_buffer(struct cso_context *cso, void *buffer,
 
    /* note: vertex elements already set by caller */
 
-   cso_set_vertex_buffers(cso, 1, &vbuffer);
+   cso_set_vertex_buffers(cso, 0, 1, &vbuffer);
    cso_draw_arrays(cso, prim_type, 0, num_verts);
 }
 
@@ -97,6 +98,7 @@ util_draw_user_vertex_buffer(struct cso_context *cso, void *buffer,
  */
 void 
 util_draw_texquad(struct pipe_context *pipe, struct cso_context *cso,
+                  uint vbuf_slot,
                   float x0, float y0, float x1, float y1, float z)
 {
    uint numAttribs = 2, i, j;
@@ -145,7 +147,8 @@ util_draw_texquad(struct pipe_context *pipe, struct cso_context *cso,
       goto out;
    pipe_buffer_write(pipe, vbuf, 0, vertexBytes, v);
 
-   util_draw_vertex_buffer(pipe, cso, vbuf, 0, PIPE_PRIM_TRIANGLE_FAN, 4, 2);
+   util_draw_vertex_buffer(pipe, cso, vbuf, vbuf_slot, 0,
+                           PIPE_PRIM_TRIANGLE_FAN, 4, 2);
 
 out:
    if (vbuf)
diff --git a/mesalib/src/gallium/auxiliary/util/u_draw_quad.h b/mesalib/src/gallium/auxiliary/util/u_draw_quad.h
index 2834a4a81..cb17f4e4c 100644
--- a/mesalib/src/gallium/auxiliary/util/u_draw_quad.h
+++ b/mesalib/src/gallium/auxiliary/util/u_draw_quad.h
@@ -44,8 +44,9 @@ struct cso_context;
 
 extern void 
 util_draw_vertex_buffer(struct pipe_context *pipe, struct cso_context *cso,
-                        struct pipe_resource *vbuf, uint offset,
-                        uint num_attribs, uint num_verts, uint prim_type);
+                        struct pipe_resource *vbuf, uint vbuf_slot,
+                        uint offset, uint prim_type, uint num_attribs,
+                        uint num_verts);
 
 void
 util_draw_user_vertex_buffer(struct cso_context *cso, void *buffer,
@@ -53,6 +54,7 @@ util_draw_user_vertex_buffer(struct cso_context *cso, void *buffer,
 
 extern void 
 util_draw_texquad(struct pipe_context *pipe, struct cso_context *cso,
+                  uint vbuf_slot,
                   float x0, float y0, float x1, float y1, float z);
 
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c b/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
index 4d8adb9f3..48ebdb9fa 100644
--- a/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1287,7 +1287,7 @@ util_create_gen_mipmap(struct pipe_context *pipe,
    for (i = 0; i < 2; i++) {
       ctx->velem[i].src_offset = i * 4 * sizeof(float);
       ctx->velem[i].instance_divisor = 0;
-      ctx->velem[i].vertex_buffer_index = 0;
+      ctx->velem[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso);
       ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    }
 
@@ -1565,7 +1565,7 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
    cso_save_geometry_shader(ctx->cso);
    cso_save_viewport(ctx->cso);
    cso_save_vertex_elements(ctx->cso);
-   cso_save_vertex_buffers(ctx->cso);
+   cso_save_aux_vertex_buffer_slot(ctx->cso);
 
    /* bind our state */
    cso_set_blend(ctx->cso, is_depth ? &ctx->blend_keep_color :
@@ -1673,6 +1673,7 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
          util_draw_vertex_buffer(ctx->pipe,
                                  ctx->cso,
                                  ctx->vbuf,
+                                 cso_get_aux_vertex_buffer_slot(ctx->cso),
                                  offset,
                                  PIPE_PRIM_TRIANGLE_FAN,
                                  4,  /* verts */
@@ -1697,5 +1698,5 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
    cso_restore_viewport(ctx->cso);
    cso_restore_vertex_elements(ctx->cso);
    cso_restore_stream_outputs(ctx->cso);
-   cso_restore_vertex_buffers(ctx->cso);
+   cso_restore_aux_vertex_buffer_slot(ctx->cso);
 }
diff --git a/mesalib/src/gallium/auxiliary/util/u_helpers.c b/mesalib/src/gallium/auxiliary/util/u_helpers.c
new file mode 100644
index 000000000..ac1edcdbb
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/util/u_helpers.c
@@ -0,0 +1,90 @@
+/**************************************************************************
+ *
+ * Copyright 2012 Marek Olšák <maraeo@gmail.com>
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "util/u_helpers.h"
+#include "util/u_inlines.h"
+
+/**
+ * This function is used to copy an array of pipe_vertex_buffer structures,
+ * while properly referencing the pipe_vertex_buffer::buffer member.
+ *
+ * enabled_buffers is updated such that the bits corresponding to the indices
+ * of disabled buffers are set to 0 and the enabled ones are set to 1.
+ *
+ * \sa util_copy_framebuffer_state
+ */
+void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
+                                  uint32_t *enabled_buffers,
+                                  const struct pipe_vertex_buffer *src,
+                                  unsigned start_slot, unsigned count)
+{
+   unsigned i;
+   uint32_t bitmask = 0;
+
+   dst += start_slot;
+
+   if (src) {
+      for (i = 0; i < count; i++) {
+         if (src[i].buffer || src[i].user_buffer) {
+            bitmask |= 1 << i;
+         }
+         pipe_resource_reference(&dst[i].buffer, src[i].buffer);
+      }
+
+      /* Copy over the other members of pipe_vertex_buffer. */
+      memcpy(dst, src, count * sizeof(struct pipe_vertex_buffer));
+
+      *enabled_buffers &= ~(((1ull << count) - 1) << start_slot);
+      *enabled_buffers |= bitmask << start_slot;
+   }
+   else {
+      /* Unreference the buffers. */
+      for (i = 0; i < count; i++) {
+         pipe_resource_reference(&dst[i].buffer, NULL);
+         dst[i].user_buffer = NULL;
+      }
+
+      *enabled_buffers &= ~(((1ull << count) - 1) << start_slot);
+   }
+}
+
+/**
+ * Same as util_set_vertex_buffers_mask, but it only returns the number
+ * of bound buffers.
+ */
+void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst,
+                                   unsigned *dst_count,
+                                   const struct pipe_vertex_buffer *src,
+                                   unsigned start_slot, unsigned count)
+{
+   uint32_t enabled_buffers = (1ull << *dst_count) - 1;
+
+   util_set_vertex_buffers_mask(dst, &enabled_buffers, src, start_slot,
+                                count);
+
+   *dst_count = util_last_bit(enabled_buffers);
+}
diff --git a/mesalib/src/gallium/auxiliary/util/u_helpers.h b/mesalib/src/gallium/auxiliary/util/u_helpers.h
new file mode 100644
index 000000000..09c7116fa
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/util/u_helpers.h
@@ -0,0 +1,51 @@
+/**************************************************************************
+ *
+ * Copyright 2012 Marek Olšák <maraeo@gmail.com>
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef U_HELPERS_H
+#define U_HELPERS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "pipe/p_state.h"
+
+void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
+                                  uint32_t *enabled_buffers,
+                                  const struct pipe_vertex_buffer *src,
+                                  unsigned start_slot, unsigned count);
+
+void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst,
+                                   unsigned *dst_count,
+                                   const struct pipe_vertex_buffer *src,
+                                   unsigned start_slot, unsigned count);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/mesalib/src/gallium/auxiliary/util/u_inlines.h b/mesalib/src/gallium/auxiliary/util/u_inlines.h
index 5c6e7eb32..3d68cf540 100644
--- a/mesalib/src/gallium/auxiliary/util/u_inlines.h
+++ b/mesalib/src/gallium/auxiliary/util/u_inlines.h
@@ -449,34 +449,6 @@ static INLINE boolean util_get_offset(
    }
 }
 
-/**
- * This function is used to copy an array of pipe_vertex_buffer structures,
- * while properly referencing the pipe_vertex_buffer::buffer member.
- *
- * \sa util_copy_framebuffer_state
- */
-static INLINE void util_copy_vertex_buffers(struct pipe_vertex_buffer *dst,
-                                            unsigned *dst_count,
-                                            const struct pipe_vertex_buffer *src,
-                                            unsigned src_count)
-{
-   unsigned i;
-
-   /* Reference the buffers of 'src' in 'dst'. */
-   for (i = 0; i < src_count; i++) {
-      pipe_resource_reference(&dst[i].buffer, src[i].buffer);
-   }
-   /* Unreference the rest of the buffers in 'dst'. */
-   for (; i < *dst_count; i++) {
-      pipe_resource_reference(&dst[i].buffer, NULL);
-   }
-
-   /* Update the size of 'dst' and copy over the other members
-    * of pipe_vertex_buffer. */
-   *dst_count = src_count;
-   memcpy(dst, src, src_count * sizeof(struct pipe_vertex_buffer));
-}
-
 static INLINE float
 util_get_min_point_size(const struct pipe_rasterizer_state *state)
 {
diff --git a/mesalib/src/gallium/auxiliary/util/u_math.h b/mesalib/src/gallium/auxiliary/util/u_math.h
index 4047bd9b0..607fbecb0 100644
--- a/mesalib/src/gallium/auxiliary/util/u_math.h
+++ b/mesalib/src/gallium/auxiliary/util/u_math.h
@@ -482,12 +482,16 @@ unsigned ffs( unsigned u )
  */
 static INLINE unsigned util_last_bit(unsigned u)
 {
+#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304)
+   return u == 0 ? 0 : 32 - __builtin_clz(u);
+#else
    unsigned r = 0;
    while (u) {
        r++;
        u >>= 1;
    }
    return r;
+#endif
 }
 
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_vbuf.c b/mesalib/src/gallium/auxiliary/util/u_vbuf.c
index 1cc83c3dd..7fb492882 100644
--- a/mesalib/src/gallium/auxiliary/util/u_vbuf.c
+++ b/mesalib/src/gallium/auxiliary/util/u_vbuf.c
@@ -89,17 +89,17 @@ struct u_vbuf {
    /* This is what was set in set_vertex_buffers.
     * May contain user buffers. */
    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
-   unsigned nr_vertex_buffers;
+   uint32_t enabled_vb_mask;
 
-   /* Saved vertex buffers. */
-   struct pipe_vertex_buffer vertex_buffer_saved[PIPE_MAX_ATTRIBS];
-   unsigned nr_vertex_buffers_saved;
+   /* Saved vertex buffer. */
+   unsigned aux_vertex_buffer_slot;
+   struct pipe_vertex_buffer aux_vertex_buffer_saved;
 
    /* Vertex buffers for the driver.
-    * There are no user buffers. */
+    * There are usually no user buffers. */
    struct pipe_vertex_buffer real_vertex_buffer[PIPE_MAX_ATTRIBS];
-   unsigned nr_real_vertex_buffers;
-   boolean vertex_buffers_dirty;
+   uint32_t dirty_real_vb_mask; /* which buffers are dirty since the last
+                                   call of set_vertex_buffers */
 
    /* The index buffer. */
    struct pipe_index_buffer index_buffer;
@@ -174,11 +174,12 @@ void u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps)
 
 struct u_vbuf *
 u_vbuf_create(struct pipe_context *pipe,
-              struct u_vbuf_caps *caps)
+              struct u_vbuf_caps *caps, unsigned aux_vertex_buffer_index)
 {
    struct u_vbuf *mgr = CALLOC_STRUCT(u_vbuf);
 
    mgr->caps = *caps;
+   mgr->aux_vertex_buffer_slot = aux_vertex_buffer_index;
    mgr->pipe = pipe;
    mgr->cso_cache = cso_cache_create();
    mgr->translate_cache = translate_cache_create();
@@ -239,16 +240,20 @@ void u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count,
 
 void u_vbuf_destroy(struct u_vbuf *mgr)
 {
+   struct pipe_screen *screen = mgr->pipe->screen;
    unsigned i;
+   unsigned num_vb = screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
+                                              PIPE_SHADER_CAP_MAX_INPUTS);
 
-   mgr->pipe->set_vertex_buffers(mgr->pipe, 0, NULL);
+   mgr->pipe->set_vertex_buffers(mgr->pipe, 0, num_vb, NULL);
 
-   for (i = 0; i < mgr->nr_vertex_buffers; i++) {
+   for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
       pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL);
    }
-   for (i = 0; i < mgr->nr_real_vertex_buffers; i++) {
+   for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
       pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL);
    }
+   pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, NULL);
 
    translate_cache_destroy(mgr->translate_cache);
    u_upload_destroy(mgr->uploader);
@@ -267,39 +272,42 @@ u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key,
    struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0};
    struct pipe_resource *out_buffer = NULL;
    uint8_t *out_map;
-   unsigned i, out_offset;
+   unsigned out_offset, mask;
 
    /* Get a translate object. */
    tr = translate_cache_find(mgr->translate_cache, key);
 
    /* Map buffers we want to translate. */
-   for (i = 0; i < mgr->nr_vertex_buffers; i++) {
-      if (vb_mask & (1 << i)) {
-         struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[i];
-         unsigned offset = vb->buffer_offset + vb->stride * start_vertex;
-         uint8_t *map;
+   mask = vb_mask;
+   while (mask) {
+      struct pipe_vertex_buffer *vb;
+      unsigned offset;
+      uint8_t *map;
+      unsigned i = u_bit_scan(&mask);
 
-         if (vb->user_buffer) {
-            map = (uint8_t*)vb->user_buffer + offset;
-         } else {
-            unsigned size = vb->stride ? num_vertices * vb->stride
-                                       : sizeof(double)*4;
+      vb = &mgr->vertex_buffer[i];
+      offset = vb->buffer_offset + vb->stride * start_vertex;
 
-            if (offset+size > vb->buffer->width0) {
-               size = vb->buffer->width0 - offset;
-            }
+      if (vb->user_buffer) {
+         map = (uint8_t*)vb->user_buffer + offset;
+      } else {
+         unsigned size = vb->stride ? num_vertices * vb->stride
+                                    : sizeof(double)*4;
 
-            map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size,
-                                        PIPE_TRANSFER_READ, &vb_transfer[i]);
+         if (offset+size > vb->buffer->width0) {
+            size = vb->buffer->width0 - offset;
          }
 
-         /* Subtract min_index so that indexing with the index buffer works. */
-         if (unroll_indices) {
-            map -= vb->stride * min_index;
-         }
+         map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size,
+                                     PIPE_TRANSFER_READ, &vb_transfer[i]);
+      }
 
-         tr->set_buffer(tr, i, map, vb->stride, ~0);
+      /* Subtract min_index so that indexing with the index buffer works. */
+      if (unroll_indices) {
+         map -= vb->stride * min_index;
       }
+
+      tr->set_buffer(tr, i, map, vb->stride, ~0);
    }
 
    /* Translate. */
@@ -354,7 +362,10 @@ u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key,
    }
 
    /* Unmap all buffers. */
-   for (i = 0; i < mgr->nr_vertex_buffers; i++) {
+   mask = vb_mask;
+   while (mask) {
+      unsigned i = u_bit_scan(&mask);
+
       if (vb_transfer[i]) {
          pipe_buffer_unmap(mgr->pipe, vb_transfer[i]);
       }
@@ -379,7 +390,7 @@ u_vbuf_translate_find_free_vb_slots(struct u_vbuf *mgr,
    /* Set the bit for each buffer which is incompatible, or isn't set. */
    uint32_t unused_vb_mask =
       mgr->ve->incompatible_vb_mask_all | mgr->incompatible_vb_mask |
-      ~((1 << mgr->nr_vertex_buffers) - 1);
+      ~mgr->enabled_vb_mask;
 
    memset(fallback_vbs, ~0, sizeof(fallback_vbs));
 
@@ -389,20 +400,21 @@ u_vbuf_translate_find_free_vb_slots(struct u_vbuf *mgr,
          uint32_t index;
 
          if (!unused_vb_mask) {
-            /* fail, reset the number to its original value */
-            mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers;
             return FALSE;
          }
 
          index = ffs(unused_vb_mask) - 1;
          fallback_vbs[type] = index;
-         if (index >= mgr->nr_real_vertex_buffers) {
-            mgr->nr_real_vertex_buffers = index + 1;
-         }
          /*printf("found slot=%i for type=%i\n", index, type);*/
       }
    }
 
+   for (type = 0; type < VB_NUM; type++) {
+      if (mask[type]) {
+         mgr->dirty_real_vb_mask |= 1 << fallback_vbs[type];
+      }
+   }
+
    memcpy(mgr->fallback_vbs, fallback_vbs, sizeof(fallback_vbs));
    return TRUE;
 }
@@ -568,9 +580,11 @@ static void u_vbuf_translate_end(struct u_vbuf *mgr)
       if (vb != ~0) {
          pipe_resource_reference(&mgr->real_vertex_buffer[vb].buffer, NULL);
          mgr->fallback_vbs[i] = ~0;
+
+         /* This will cause the buffer to be unbound in the driver later. */
+         mgr->dirty_real_vb_mask |= 1 << vb;
       }
    }
-   mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers;
 }
 
 #define FORMAT_REPLACE(what, withwhat) \
@@ -700,45 +714,77 @@ static void u_vbuf_delete_vertex_elements(struct u_vbuf *mgr, void *cso)
    FREE(ve);
 }
 
-void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count,
+void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr,
+                               unsigned start_slot, unsigned count,
                                const struct pipe_vertex_buffer *bufs)
 {
    unsigned i;
+   /* which buffers are enabled */
+   uint32_t enabled_vb_mask = 0;
+   /* which buffers are in user memory */
+   uint32_t user_vb_mask = 0;
+   /* which buffers are incompatible with the driver */
+   uint32_t incompatible_vb_mask = 0;
+   /* which buffers have a non-zero stride */
+   uint32_t nonzero_stride_vb_mask = 0;
+   uint32_t mask = ~(((1ull << count) - 1) << start_slot);
+
+   /* Zero out the bits we are going to rewrite completely. */
+   mgr->user_vb_mask &= mask;
+   mgr->incompatible_vb_mask &= mask;
+   mgr->nonzero_stride_vb_mask &= mask;
+   mgr->enabled_vb_mask &= mask;
+
+   if (!bufs) {
+      struct pipe_context *pipe = mgr->pipe;
+      /* Unbind. */
+      mgr->dirty_real_vb_mask &= mask;
 
-   mgr->user_vb_mask = 0;
-   mgr->incompatible_vb_mask = 0;
-   mgr->nonzero_stride_vb_mask = 0;
+      for (i = 0; i < count; i++) {
+         unsigned dst_index = start_slot + i;
+
+         pipe_resource_reference(&mgr->vertex_buffer[dst_index].buffer, NULL);
+         pipe_resource_reference(&mgr->real_vertex_buffer[dst_index].buffer,
+                                 NULL);
+      }
+
+      pipe->set_vertex_buffers(pipe, start_slot, count, NULL);
+      return;
+   }
 
    for (i = 0; i < count; i++) {
+      unsigned dst_index = start_slot + i;
       const struct pipe_vertex_buffer *vb = &bufs[i];
-      struct pipe_vertex_buffer *orig_vb = &mgr->vertex_buffer[i];
-      struct pipe_vertex_buffer *real_vb = &mgr->real_vertex_buffer[i];
+      struct pipe_vertex_buffer *orig_vb = &mgr->vertex_buffer[dst_index];
+      struct pipe_vertex_buffer *real_vb = &mgr->real_vertex_buffer[dst_index];
+
+      if (!vb->buffer && !vb->user_buffer) {
+         pipe_resource_reference(&orig_vb->buffer, NULL);
+         pipe_resource_reference(&real_vb->buffer, NULL);
+         real_vb->user_buffer = NULL;
+         continue;
+      }
 
       pipe_resource_reference(&orig_vb->buffer, vb->buffer);
       orig_vb->user_buffer = vb->user_buffer;
 
       real_vb->buffer_offset = orig_vb->buffer_offset = vb->buffer_offset;
       real_vb->stride = orig_vb->stride = vb->stride;
-      real_vb->user_buffer = NULL;
 
       if (vb->stride) {
-         mgr->nonzero_stride_vb_mask |= 1 << i;
-      }
-
-      if (!vb->buffer && !vb->user_buffer) {
-         pipe_resource_reference(&real_vb->buffer, NULL);
-         continue;
+         nonzero_stride_vb_mask |= 1 << dst_index;
       }
+      enabled_vb_mask |= 1 << dst_index;
 
       if ((!mgr->caps.buffer_offset_unaligned && vb->buffer_offset % 4 != 0) ||
           (!mgr->caps.buffer_stride_unaligned && vb->stride % 4 != 0)) {
-         mgr->incompatible_vb_mask |= 1 << i;
+         incompatible_vb_mask |= 1 << dst_index;
          pipe_resource_reference(&real_vb->buffer, NULL);
          continue;
       }
 
       if (!mgr->caps.user_vertex_buffers && vb->user_buffer) {
-         mgr->user_vb_mask |= 1 << i;
+         user_vb_mask |= 1 << dst_index;
          pipe_resource_reference(&real_vb->buffer, NULL);
          continue;
       }
@@ -747,16 +793,14 @@ void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count,
       real_vb->user_buffer = vb->user_buffer;
    }
 
-   for (i = count; i < mgr->nr_vertex_buffers; i++) {
-      pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL);
-   }
-   for (i = count; i < mgr->nr_real_vertex_buffers; i++) {
-      pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL);
-   }
+   mgr->user_vb_mask |= user_vb_mask;
+   mgr->incompatible_vb_mask |= incompatible_vb_mask;
+   mgr->nonzero_stride_vb_mask |= nonzero_stride_vb_mask;
+   mgr->enabled_vb_mask |= enabled_vb_mask;
 
-   mgr->nr_vertex_buffers = count;
-   mgr->nr_real_vertex_buffers = count;
-   mgr->vertex_buffers_dirty = TRUE;
+   /* All changed buffers are marked as dirty, even the NULL ones,
+    * which will cause the NULL buffers to be unbound in the driver later. */
+   mgr->dirty_real_vb_mask |= ~mask;
 }
 
 void u_vbuf_set_index_buffer(struct u_vbuf *mgr,
@@ -782,7 +826,7 @@ u_vbuf_upload_buffers(struct u_vbuf *mgr,
 {
    unsigned i;
    unsigned nr_velems = mgr->ve->count;
-   unsigned nr_vbufs = mgr->nr_vertex_buffers;
+   unsigned nr_vbufs = util_last_bit(mgr->enabled_vb_mask);
    struct pipe_vertex_element *velems =
          mgr->using_translate ? mgr->fallback_velems : mgr->ve->ve;
    unsigned start_offset[PIPE_MAX_ATTRIBS];
@@ -978,6 +1022,19 @@ static void u_vbuf_get_minmax_index(struct pipe_context *pipe,
    }
 }
 
+static void u_vbuf_set_driver_vertex_buffers(struct u_vbuf *mgr)
+{
+   struct pipe_context *pipe = mgr->pipe;
+   unsigned start_slot, count;
+
+   start_slot = ffs(mgr->dirty_real_vb_mask) - 1;
+   count = util_last_bit(mgr->dirty_real_vb_mask >> start_slot);
+
+   pipe->set_vertex_buffers(pipe, start_slot, count,
+                            mgr->real_vertex_buffer + start_slot);
+   mgr->dirty_real_vb_mask = 0;
+}
+
 void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
 {
    struct pipe_context *pipe = mgr->pipe;
@@ -990,11 +1047,10 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
    if (!mgr->incompatible_vb_mask &&
        !mgr->ve->incompatible_elem_mask &&
        !user_vb_mask) {
+
       /* Set vertex buffers if needed. */
-      if (mgr->vertex_buffers_dirty) {
-         pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers,
-                                  mgr->real_vertex_buffer);
-         mgr->vertex_buffers_dirty = FALSE;
+      if (mgr->dirty_real_vb_mask) {
+         u_vbuf_set_driver_vertex_buffers(mgr);
       }
 
       pipe->draw_vbo(pipe, info);
@@ -1062,6 +1118,7 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
    if (user_vb_mask) {
       u_vbuf_upload_buffers(mgr, start_vertex, num_vertices,
                             info->start_instance, info->instance_count);
+      mgr->dirty_real_vb_mask |= user_vb_mask;
    }
 
    /*
@@ -1086,8 +1143,7 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
    */
 
    u_upload_unmap(mgr->uploader);
-   pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers,
-                            mgr->real_vertex_buffer);
+   u_vbuf_set_driver_vertex_buffers(mgr);
 
    if (unlikely(unroll_indices)) {
       struct pipe_draw_info new_info = *info;
@@ -1105,7 +1161,6 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info)
    if (mgr->using_translate) {
       u_vbuf_translate_end(mgr);
    }
-   mgr->vertex_buffers_dirty = TRUE;
 }
 
 void u_vbuf_save_vertex_elements(struct u_vbuf *mgr)
@@ -1126,22 +1181,18 @@ void u_vbuf_restore_vertex_elements(struct u_vbuf *mgr)
    mgr->ve_saved = NULL;
 }
 
-void u_vbuf_save_vertex_buffers(struct u_vbuf *mgr)
+void u_vbuf_save_aux_vertex_buffer_slot(struct u_vbuf *mgr)
 {
-   util_copy_vertex_buffers(mgr->vertex_buffer_saved,
-                            &mgr->nr_vertex_buffers_saved,
-                            mgr->vertex_buffer,
-                            mgr->nr_vertex_buffers);
+   struct pipe_vertex_buffer *vb =
+         &mgr->vertex_buffer[mgr->aux_vertex_buffer_slot];
+
+   pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, vb->buffer);
+   memcpy(&mgr->aux_vertex_buffer_saved, vb, sizeof(*vb));
 }
 
-void u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr)
+void u_vbuf_restore_aux_vertex_buffer_slot(struct u_vbuf *mgr)
 {
-   unsigned i;
-
-   u_vbuf_set_vertex_buffers(mgr, mgr->nr_vertex_buffers_saved,
-                             mgr->vertex_buffer_saved);
-   for (i = 0; i < mgr->nr_vertex_buffers_saved; i++) {
-      pipe_resource_reference(&mgr->vertex_buffer_saved[i].buffer, NULL);
-   }
-   mgr->nr_vertex_buffers_saved = 0;
+   u_vbuf_set_vertex_buffers(mgr, mgr->aux_vertex_buffer_slot, 1,
+                             &mgr->aux_vertex_buffer_saved);
+   pipe_resource_reference(&mgr->aux_vertex_buffer_saved.buffer, NULL);
 }
diff --git a/mesalib/src/gallium/auxiliary/util/u_vbuf.h b/mesalib/src/gallium/auxiliary/util/u_vbuf.h
index 59eb59a11..0f8227164 100644
--- a/mesalib/src/gallium/auxiliary/util/u_vbuf.h
+++ b/mesalib/src/gallium/auxiliary/util/u_vbuf.h
@@ -64,14 +64,15 @@ void u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps);
 
 struct u_vbuf *
 u_vbuf_create(struct pipe_context *pipe,
-              struct u_vbuf_caps *caps);
+              struct u_vbuf_caps *caps, unsigned aux_vertex_buffer_index);
 
 void u_vbuf_destroy(struct u_vbuf *mgr);
 
 /* State and draw functions. */
 void u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count,
                                 const struct pipe_vertex_element *states);
-void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count,
+void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr,
+                               unsigned start_slot, unsigned count,
                                const struct pipe_vertex_buffer *bufs);
 void u_vbuf_set_index_buffer(struct u_vbuf *mgr,
                              const struct pipe_index_buffer *ib);
@@ -80,7 +81,7 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info);
 /* Save/restore functionality. */
 void u_vbuf_save_vertex_elements(struct u_vbuf *mgr);
 void u_vbuf_restore_vertex_elements(struct u_vbuf *mgr);
-void u_vbuf_save_vertex_buffers(struct u_vbuf *mgr);
-void u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr);
+void u_vbuf_save_aux_vertex_buffer_slot(struct u_vbuf *mgr);
+void u_vbuf_restore_aux_vertex_buffer_slot(struct u_vbuf *mgr);
 
 #endif
diff --git a/mesalib/src/glsl/standalone_scaffolding.cpp b/mesalib/src/glsl/standalone_scaffolding.cpp
index 679714e38..7e37be578 100644
--- a/mesalib/src/glsl/standalone_scaffolding.cpp
+++ b/mesalib/src/glsl/standalone_scaffolding.cpp
@@ -80,6 +80,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Extensions.EXT_texture3D = true;
    ctx->Extensions.OES_EGL_image_external = true;
    ctx->Extensions.ARB_shader_bit_encoding = true;
+   ctx->Extensions.OES_standard_derivatives = true;
 
    ctx->Const.GLSLVersion = 120;
 
diff --git a/mesalib/src/mapi/glapi/gen/gl_API.xml b/mesalib/src/mapi/glapi/gen/gl_API.xml
index a46d6131c..c38aa3a59 100644
--- a/mesalib/src/mapi/glapi/gen/gl_API.xml
+++ b/mesalib/src/mapi/glapi/gen/gl_API.xml
@@ -8075,7 +8075,13 @@
   </function>
 </category>
 
-<!-- ARB extensions #110...#116 -->
+<!-- ARB extensions #110...#112 -->
+
+<category name="GL_ARB_map_buffer_alignment" number="113">
+  <enum name="MIN_MAP_BUFFER_ALIGNMENT" value="0x90BC" />
+</category>
+
+<!-- ARB extensions #114...#116 -->
 
 <xi:include href="ARB_base_instance.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
 
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;
+   }
 }