Merge remote-tracking branch 'origin/released'

* origin/released:
  libxtrans fontconfig glproto libX11 libxcb xcbproto mesa xserver pixman xkeyboard-config git update 22 Dec 2013

Conflicts:
	mesalib/include/GL/glext.h
	mesalib/src/mesa/drivers/dri/common/dri_util.c
	mesalib/src/mesa/drivers/dri/swrast/swrast.c
	xorg-server/damageext/damageext.c
	xorg-server/dix/dispatch.c
	xorg-server/glx/glxdriswrast.c
	xorg-server/glx/indirect_dispatch.c
	xorg-server/glx/indirect_dispatch_swap.c
	xorg-server/glx/indirect_program.c
	xorg-server/glx/render2.c
	xorg-server/glx/render2swap.c
	xorg-server/hw/xwin/glx/gen_gl_wrappers.py
	xorg-server/hw/xwin/glx/glthunk.c
	xorg-server/hw/xwin/glx/indirect.c
	xorg-server/include/os.h
	xorg-server/present/present_request.c

16 files changed, 239 insertions, 232 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
index c752640f4..51f079cda 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -44,56 +44,6 @@
 
 
 /**
- * When doing GL render to texture, we have to be sure that finalize_texture()
- * didn't yank out the pipe_resource that we earlier created a surface for.
- * Check for that here and create a new surface if needed.
- */
-static void
-update_renderbuffer_surface(struct st_context *st,
-                            struct st_renderbuffer *strb)
-{
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *resource = strb->rtt ? strb->rtt->pt : strb->texture;
-   int rtt_width = strb->Base.Width;
-   int rtt_height = strb->Base.Height;
-   enum pipe_format format = st->ctx->Color.sRGBEnabled ? resource->format : util_format_linear(resource->format);
-
-   if (!strb->surface ||
-       strb->surface->texture->nr_samples != strb->Base.NumSamples ||
-       strb->surface->format != format ||
-       strb->surface->texture != resource ||
-       strb->surface->width != rtt_width ||
-       strb->surface->height != rtt_height) {
-      GLuint level;
-      /* find matching mipmap level size */
-      for (level = 0; level <= resource->last_level; level++) {
-         if (u_minify(resource->width0, level) == rtt_width &&
-             u_minify(resource->height0, level) == rtt_height) {
-            struct pipe_surface surf_tmpl;
-            memset(&surf_tmpl, 0, sizeof(surf_tmpl));
-            surf_tmpl.format = format;
-            surf_tmpl.u.tex.level = level;
-            surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
-            surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice;
-
-            pipe_surface_reference(&strb->surface, NULL);
-
-            strb->surface = pipe->create_surface(pipe,
-                                                 resource,
-                                                 &surf_tmpl);
-#if 0
-            printf("-- alloc new surface %d x %d into tex %p\n",
-                   strb->surface->width, strb->surface->height,
-                   texture);
-#endif
-            break;
-         }
-      }
-   }
-}
-
-
-/**
  * Update framebuffer state (color, depth, stencil, etc. buffers)
  */
 static void
@@ -121,10 +71,10 @@ update_framebuffer_state( struct st_context *st )
 
       if (strb) {
          /*printf("--------- framebuffer surface rtt %p\n", strb->rtt);*/
-         if (strb->rtt ||
+         if (strb->is_rtt ||
              (strb->texture && util_format_is_srgb(strb->texture->format))) {
             /* rendering to a GL texture, may have to update surface */
-            update_renderbuffer_surface(st, strb);
+            st_update_renderbuffer_surface(st, strb);
          }
 
          if (strb->surface) {
@@ -144,9 +94,9 @@ update_framebuffer_state( struct st_context *st )
     */
    strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
    if (strb) {
-      if (strb->rtt) {
+      if (strb->is_rtt) {
          /* rendering to a GL texture, may have to update surface */
-         update_renderbuffer_surface(st, strb);
+         st_update_renderbuffer_surface(st, strb);
       }
       pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
    }
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
index 302e12981..57670ce25 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
@@ -130,15 +130,20 @@ convert_sampler(struct st_context *st,
                 struct pipe_sampler_state *sampler,
                 GLuint texUnit)
 {
-   struct gl_texture_object *texobj;
+   const struct gl_texture_object *texobj;
    struct gl_context *ctx = st->ctx;
    struct gl_sampler_object *msamp;
+   const struct gl_texture_image *teximg;
+   GLenum texBaseFormat;
 
    texobj = ctx->Texture.Unit[texUnit]._Current;
    if (!texobj) {
       texobj = _mesa_get_fallback_texture(ctx, TEXTURE_2D_INDEX);
    }
 
+   teximg = texobj->Image[0][texobj->BaseLevel];
+   texBaseFormat = teximg ? teximg->_BaseFormat : GL_RGBA;
+
    msamp = _mesa_get_samplerobj(ctx, texUnit);
 
    memset(sampler, 0, sizeof(*sampler));
@@ -170,21 +175,15 @@ convert_sampler(struct st_context *st,
       assert(sampler->min_lod <= sampler->max_lod);
    }
 
+   /* For non-black borders... */
    if (msamp->BorderColor.ui[0] ||
        msamp->BorderColor.ui[1] ||
        msamp->BorderColor.ui[2] ||
        msamp->BorderColor.ui[3]) {
-      struct st_texture_object *stobj = st_texture_object(texobj);
-      struct gl_texture_image *teximg;
-      GLboolean is_integer = GL_FALSE;
+      const struct st_texture_object *stobj = st_texture_object_const(texobj);
+      const GLboolean is_integer = texobj->_IsIntegerFormat;
       union pipe_color_union border_color;
 
-      teximg = texobj->Image[0][texobj->BaseLevel];
-
-      if (teximg) {
-         is_integer = _mesa_is_enum_format_integer(teximg->InternalFormat);
-      }
-
       if (st->apply_texture_swizzle_to_border_color && stobj->sampler_view) {
          const unsigned char swz[4] =
          {
@@ -196,25 +195,26 @@ convert_sampler(struct st_context *st,
 
          st_translate_color(&msamp->BorderColor,
                             &border_color,
-                            teximg ? teximg->_BaseFormat : GL_RGBA, is_integer);
+                            texBaseFormat, is_integer);
 
          util_format_apply_color_swizzle(&sampler->border_color,
                                          &border_color, swz, is_integer);
       } else {
          st_translate_color(&msamp->BorderColor,
                             &sampler->border_color,
-                            teximg ? teximg->_BaseFormat : GL_RGBA, is_integer);
+                            texBaseFormat, is_integer);
       }
    }
 
    sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
                               0 : (GLuint) msamp->MaxAnisotropy);
 
-   /* only care about ARB_shadow, not SGI shadow */
-   if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
+   /* If sampling a depth texture and using shadow comparison */
+   if ((texBaseFormat == GL_DEPTH_COMPONENT ||
+        texBaseFormat == GL_DEPTH_STENCIL) &&
+       msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
       sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
-      sampler->compare_func
-         = st_compare_func_to_pipe(msamp->CompareFunc);
+      sampler->compare_func = st_compare_func_to_pipe(msamp->CompareFunc);
    }
 
    sampler->seamless_cube_map =
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
index 7fa4cbdc4..230ab5449 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -422,6 +422,9 @@ st_bufferobj_validate_usage(struct st_context *st,
 void
 st_init_bufferobject_functions(struct dd_function_table *functions)
 {
+   /* plug in default driver fallbacks (such as for ClearBufferSubData) */
+   _mesa_init_buffer_object_functions(functions);
+
    functions->NewBufferObject = st_bufferobj_alloc;
    functions->DeleteBuffer = st_bufferobj_free;
    functions->BufferData = st_bufferobj_data;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 8da664afb..887e58bd9 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -51,6 +51,7 @@
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
 #include "util/u_format.h"
+#include "util/u_framebuffer.h"
 #include "util/u_inlines.h"
 #include "util/u_simple_shaders.h"
 #include "util/u_draw_quad.h"
@@ -129,6 +130,26 @@ set_vertex_shader(struct st_context *st)
 }
 
 
+static void
+set_vertex_shader_layered(struct st_context *st)
+{
+   struct pipe_context *pipe = st->pipe;
+
+   if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) ||
+       !pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER)) {
+      assert(!"Got layered clear, but the VS layer output is unsupported");
+      set_vertex_shader(st);
+      return;
+   }
+
+   if (!st->clear.vs_layered) {
+      st->clear.vs_layered = util_make_layered_clear_vertex_shader(pipe);
+   }
+
+   cso_set_vertex_shader_handle(st->cso_context, st->clear.vs_layered);
+}
+
+
 /**
  * Draw a screen-aligned quadrilateral.
  * Coords are clip coords with y=0=bottom.
@@ -136,15 +157,19 @@ set_vertex_shader(struct st_context *st)
 static void
 draw_quad(struct st_context *st,
           float x0, float y0, float x1, float y1, GLfloat z,
+          unsigned num_instances,
           const union pipe_color_union *color)
 {
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *vbuf = NULL;
-   GLuint i, offset;
+   struct cso_context *cso = st->cso_context;
+   struct pipe_vertex_buffer vb = {0};
+   GLuint i;
    float (*vertices)[2][4];  /**< vertex pos + color */
 
+   vb.stride = 8 * sizeof(float);
+
    if (u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]),
-                      &offset, &vbuf, (void **) &vertices) != PIPE_OK) {
+                      &vb.buffer_offset, &vb.buffer,
+                      (void **) &vertices) != PIPE_OK) {
       return;
    }
 
@@ -174,16 +199,10 @@ draw_quad(struct st_context *st,
    u_upload_unmap(st->uploader);
 
    /* draw */
-   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 */
-                           2); /* attribs/vert */
-
-   pipe_resource_reference(&vbuf, NULL);
+   cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso), 1, &vb);
+   cso_draw_arrays_instanced(cso, PIPE_PRIM_TRIANGLE_FAN, 0, 4,
+                             0, num_instances);
+   pipe_resource_reference(&vb.buffer, NULL);
 }
 
 
@@ -194,8 +213,7 @@ draw_quad(struct st_context *st,
  * ctx->DrawBuffer->_X/Ymin/max fields.
  */
 static void
-clear_with_quad(struct gl_context *ctx,
-                GLboolean color, GLboolean depth, GLboolean stencil)
+clear_with_quad(struct gl_context *ctx, unsigned clear_buffers)
 {
    struct st_context *st = st_context(ctx);
    const struct gl_framebuffer *fb = ctx->DrawBuffer;
@@ -205,7 +223,8 @@ clear_with_quad(struct gl_context *ctx,
    const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
    const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
    const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
-   union pipe_color_union clearColor;
+   unsigned num_layers =
+      util_framebuffer_get_num_layers(&st->state.framebuffer);
 
    /*
    printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__, 
@@ -233,7 +252,7 @@ clear_with_quad(struct gl_context *ctx,
    {
       struct pipe_blend_state blend;
       memset(&blend, 0, sizeof(blend));
-      if (color) {
+      if (clear_buffers & PIPE_CLEAR_COLOR) {
          int num_buffers = ctx->Extensions.EXT_draw_buffers2 ?
                            ctx->DrawBuffer->_NumColorDrawBuffers : 1;
          int i;
@@ -241,6 +260,9 @@ clear_with_quad(struct gl_context *ctx,
          blend.independent_blend_enable = num_buffers > 1;
 
          for (i = 0; i < num_buffers; i++) {
+            if (!(clear_buffers & (PIPE_CLEAR_COLOR0 << i)))
+               continue;
+
             if (ctx->Color.ColorMask[i][0])
                blend.rt[i].colormask |= PIPE_MASK_R;
             if (ctx->Color.ColorMask[i][1])
@@ -261,13 +283,13 @@ clear_with_quad(struct gl_context *ctx,
    {
       struct pipe_depth_stencil_alpha_state depth_stencil;
       memset(&depth_stencil, 0, sizeof(depth_stencil));
-      if (depth) {
+      if (clear_buffers & PIPE_CLEAR_DEPTH) {
          depth_stencil.depth.enabled = 1;
          depth_stencil.depth.writemask = 1;
          depth_stencil.depth.func = PIPE_FUNC_ALWAYS;
       }
 
-      if (stencil) {
+      if (clear_buffers & PIPE_CLEAR_STENCIL) {
          struct pipe_stencil_ref stencil_ref;
          memset(&stencil_ref, 0, sizeof(stencil_ref));
          depth_stencil.stencil[0].enabled = 1;
@@ -305,21 +327,20 @@ clear_with_quad(struct gl_context *ctx,
    }
 
    set_fragment_shader(st);
-   set_vertex_shader(st);
    cso_set_geometry_shader_handle(st->cso_context, NULL);
 
-   if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
-      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
-      GLboolean is_integer = _mesa_is_enum_format_integer(rb->InternalFormat);
+   if (num_layers > 1)
+      set_vertex_shader_layered(st);
+   else
+      set_vertex_shader(st);
 
-      st_translate_color(&ctx->Color.ClearColor,
-                         &clearColor,
-                         ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
-                         is_integer);
-   }
+   /* We can't translate the clear color to the colorbuffer format,
+    * because different colorbuffers may have different formats.
+    */
 
    /* draw quad matching scissor rect */
-   draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, &clearColor);
+   draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, num_layers,
+             (union pipe_color_union*)&ctx->Color.ClearColor);
 
    /* Restore pipe state */
    cso_restore_blend(st->cso_context);
@@ -352,6 +373,19 @@ is_scissor_enabled(struct gl_context *ctx, struct gl_renderbuffer *rb)
 
 
 /**
+ * Return if all of the color channels are masked.
+ */
+static INLINE GLboolean
+is_color_disabled(struct gl_context *ctx, int i)
+{
+   return !ctx->Color.ColorMask[i][0] &&
+          !ctx->Color.ColorMask[i][1] &&
+          !ctx->Color.ColorMask[i][2] &&
+          !ctx->Color.ColorMask[i][3];
+}
+
+
+/**
  * Return if any of the color channels are masked.
  */
 static INLINE GLboolean
@@ -408,11 +442,14 @@ st_Clear(struct gl_context *ctx, GLbitfield mask)
             if (!strb || !strb->surface)
                continue;
 
+            if (is_color_disabled(ctx, colormask_index))
+               continue;
+
             if (is_scissor_enabled(ctx, rb) ||
                 is_color_masked(ctx, colormask_index))
-               quad_buffers |= PIPE_CLEAR_COLOR;
+               quad_buffers |= PIPE_CLEAR_COLOR0 << i;
             else
-               clear_buffers |= PIPE_CLEAR_COLOR;
+               clear_buffers |= PIPE_CLEAR_COLOR0 << i;
          }
       }
    }
@@ -445,24 +482,13 @@ st_Clear(struct gl_context *ctx, GLbitfield mask)
     */
    if (quad_buffers) {
       quad_buffers |= clear_buffers;
-      clear_with_quad(ctx,
-                      quad_buffers & PIPE_CLEAR_COLOR,
-                      quad_buffers & PIPE_CLEAR_DEPTH,
-                      quad_buffers & PIPE_CLEAR_STENCIL);
+      clear_with_quad(ctx, quad_buffers);
    } else if (clear_buffers) {
-      union pipe_color_union clearColor;
-
-      if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
-         struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
-         GLboolean is_integer = _mesa_is_enum_format_integer(rb->InternalFormat);
-
-         st_translate_color(&ctx->Color.ClearColor,
-                            &clearColor,
-			    ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
-			    is_integer);
-      }
-
-      st->pipe->clear(st->pipe, clear_buffers, &clearColor,
+      /* We can't translate the clear color to the colorbuffer format,
+       * because different colorbuffers may have different formats.
+       */
+      st->pipe->clear(st->pipe, clear_buffers,
+                      (union pipe_color_union*)&ctx->Color.ClearColor,
                       ctx->Depth.Clear, ctx->Stencil.Clear);
    }
    if (mask & BUFFER_BIT_ACCUM)
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 2ce4728ad..3058dfb5b 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -878,7 +878,8 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
    }
 
    stmap = pipe_transfer_map(pipe, strb->texture,
-                             strb->rtt_level, strb->rtt_face + strb->rtt_slice,
+                             strb->surface->u.tex.level,
+                             strb->surface->u.tex.first_layer,
                              usage, x, y,
                              width, height, &pt);
 
@@ -1263,8 +1264,8 @@ copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
    /* map the stencil buffer */
    drawMap = pipe_transfer_map(pipe,
                                rbDraw->texture,
-                               rbDraw->rtt_level,
-                               rbDraw->rtt_face + rbDraw->rtt_slice,
+                               rbDraw->surface->u.tex.level,
+                               rbDraw->surface->u.tex.first_layer,
                                usage, dstx, dsty,
                                width, height, &ptDraw);
 
@@ -1422,20 +1423,20 @@ blit_copy_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 
          memset(&blit, 0, sizeof(blit));
          blit.src.resource = rbRead->texture;
-         blit.src.level = rbRead->rtt_level;
+         blit.src.level = rbRead->surface->u.tex.level;
          blit.src.format = rbRead->texture->format;
          blit.src.box.x = readX;
          blit.src.box.y = readY;
-         blit.src.box.z = rbRead->rtt_face + rbRead->rtt_slice;
+         blit.src.box.z = rbRead->surface->u.tex.first_layer;
          blit.src.box.width = readW;
          blit.src.box.height = readH;
          blit.src.box.depth = 1;
          blit.dst.resource = rbDraw->texture;
-         blit.dst.level = rbDraw->rtt_level;
+         blit.dst.level = rbDraw->surface->u.tex.level;
          blit.dst.format = rbDraw->texture->format;
          blit.dst.box.x = drawX;
          blit.dst.box.y = drawY;
-         blit.dst.box.z = rbDraw->rtt_face + rbDraw->rtt_slice;
+         blit.dst.box.z = rbDraw->surface->u.tex.first_layer;
          blit.dst.box.width = drawW;
          blit.dst.box.height = drawH;
          blit.dst.box.depth = 1;
@@ -1633,11 +1634,11 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 
       memset(&blit, 0, sizeof(blit));
       blit.src.resource = rbRead->texture;
-      blit.src.level = rbRead->rtt_level;
+      blit.src.level = rbRead->surface->u.tex.level;
       blit.src.format = rbRead->texture->format;
       blit.src.box.x = readX;
       blit.src.box.y = readY;
-      blit.src.box.z = rbRead->rtt_face + rbRead->rtt_slice;
+      blit.src.box.z = rbRead->surface->u.tex.first_layer;
       blit.src.box.width = readW;
       blit.src.box.height = readH;
       blit.src.box.depth = 1;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index 20894825f..70baa9965 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -389,6 +389,72 @@ st_bind_framebuffer(struct gl_context *ctx, GLenum target,
 
 
 /**
+ * Create or update the pipe_surface of a FBO renderbuffer.
+ * This is usually called after st_finalize_texture.
+ */
+void
+st_update_renderbuffer_surface(struct st_context *st,
+                               struct st_renderbuffer *strb)
+{
+   struct pipe_context *pipe = st->pipe;
+   struct pipe_resource *resource = strb->texture;
+   int rtt_width = strb->Base.Width;
+   int rtt_height = strb->Base.Height;
+   int rtt_depth = strb->Base.Depth;
+   enum pipe_format format = st->ctx->Color.sRGBEnabled ? resource->format :
+         util_format_linear(resource->format);
+   unsigned first_layer, last_layer, level;
+
+   if (resource->target == PIPE_TEXTURE_1D_ARRAY) {
+      rtt_depth = rtt_height;
+      rtt_height = 1;
+   }
+
+   /* find matching mipmap level size */
+   for (level = 0; level <= resource->last_level; level++) {
+      if (u_minify(resource->width0, level) == rtt_width &&
+          u_minify(resource->height0, level) == rtt_height &&
+          (resource->target != PIPE_TEXTURE_3D ||
+           u_minify(resource->depth0, level) == rtt_depth)) {
+         break;
+      }
+   }
+   assert(level <= resource->last_level);
+
+   /* determine the layer bounds */
+   if (strb->rtt_layered) {
+      first_layer = 0;
+      last_layer = util_max_layer(strb->texture, level);
+   }
+   else {
+      first_layer =
+      last_layer = strb->rtt_face + strb->rtt_slice;
+   }
+
+   if (!strb->surface ||
+       strb->surface->texture->nr_samples != strb->Base.NumSamples ||
+       strb->surface->format != format ||
+       strb->surface->texture != resource ||
+       strb->surface->width != rtt_width ||
+       strb->surface->height != rtt_height ||
+       strb->surface->u.tex.level != level ||
+       strb->surface->u.tex.first_layer != first_layer ||
+       strb->surface->u.tex.last_layer != last_layer) {
+      /* create a new pipe_surface */
+      struct pipe_surface surf_tmpl;
+      memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+      surf_tmpl.format = format;
+      surf_tmpl.u.tex.level = level;
+      surf_tmpl.u.tex.first_layer = first_layer;
+      surf_tmpl.u.tex.last_layer = last_layer;
+
+      pipe_surface_reference(&strb->surface, NULL);
+
+      strb->surface = pipe->create_surface(pipe, resource, &surf_tmpl);
+   }
+}
+
+/**
  * Called by ctx->Driver.RenderTexture
  */
 static void
@@ -401,8 +467,6 @@ st_render_texture(struct gl_context *ctx,
    struct gl_renderbuffer *rb = att->Renderbuffer;
    struct st_renderbuffer *strb = st_renderbuffer(rb);
    struct pipe_resource *pt;
-   struct st_texture_object *stObj;
-   struct pipe_surface surf_tmpl;
 
    if (!st_finalize_texture(ctx, pipe, att->Texture))
       return;
@@ -410,31 +474,16 @@ st_render_texture(struct gl_context *ctx,
    pt = st_get_texobj_resource(att->Texture);
    assert(pt);
 
-   /* get the texture for the texture object */
-   stObj = st_texture_object(att->Texture);
-
    /* point renderbuffer at texobject */
-   strb->rtt = stObj;
-   strb->rtt_level = att->TextureLevel;
+   strb->is_rtt = TRUE;
    strb->rtt_face = att->CubeMapFace;
    strb->rtt_slice = att->Zoffset;
-
-   pipe_resource_reference( &strb->texture, pt );
+   strb->rtt_layered = att->Layered;
+   pipe_resource_reference(&strb->texture, pt);
 
    pipe_surface_release(pipe, &strb->surface);
 
-   assert(strb->rtt_level <= strb->texture->last_level);
-
-   /* new surface for rendering into the texture */
-   memset(&surf_tmpl, 0, sizeof(surf_tmpl));
-   surf_tmpl.format = ctx->Color.sRGBEnabled
-      ? strb->texture->format : util_format_linear(strb->texture->format);
-   surf_tmpl.u.tex.level = strb->rtt_level;
-   surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
-   surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice;
-   strb->surface = pipe->create_surface(pipe,
-                                        strb->texture,
-                                        &surf_tmpl);
+   st_update_renderbuffer_surface(st, strb);
 
    strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
 
@@ -464,7 +513,7 @@ st_finish_render_texture(struct gl_context *ctx, struct gl_renderbuffer *rb)
    if (!strb)
       return;
 
-   strb->rtt = NULL;
+   strb->is_rtt = FALSE;
 
    /* restore previous framebuffer state */
    st_invalidate_state(ctx, _NEW_BUFFERS);
@@ -706,8 +755,8 @@ st_MapRenderbuffer(struct gl_context *ctx,
 
     map = pipe_transfer_map(pipe,
                             strb->texture,
-                            strb->rtt_level,
-                            strb->rtt_face + strb->rtt_slice,
+                            strb->surface->u.tex.level,
+                            strb->surface->u.tex.first_layer,
                             usage, x, y2, w, h, &strb->transfer);
    if (map) {
       if (invert) {
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.h b/mesalib/src/mesa/state_tracker/st_cb_fbo.h
index f335c371b..88fccc298 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.h
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.h
@@ -58,8 +58,10 @@ struct st_renderbuffer
    boolean software;
    void *data;
 
-   struct st_texture_object *rtt;  /**< GL render to texture's texture */
-   unsigned rtt_level, rtt_face, rtt_slice;
+   /* Inputs from Driver.RenderTexture, don't use directly. */
+   boolean is_rtt; /**< whether Driver.RenderTexture was called */
+   unsigned rtt_face, rtt_slice;
+   boolean rtt_layered; /**< whether glFramebufferTexture was called */
 };
 
 
@@ -74,6 +76,10 @@ extern struct gl_renderbuffer *
 st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
 
 extern void
+st_update_renderbuffer_surface(struct st_context *st,
+                               struct st_renderbuffer *strb);
+
+extern void
 st_init_fbo_functions(struct dd_function_table *functions);
 
 #endif /* ST_CB_FBO_H */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index b5df58c03..7547dfd8b 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -166,7 +166,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y,
    }
 
    blit.src.resource = src;
-   blit.src.level = strb->rtt_level;
+   blit.src.level = strb->surface->u.tex.level;
    blit.src.format = src_format;
    blit.dst.resource = dst;
    blit.dst.level = 0;
@@ -175,7 +175,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y,
    blit.dst.box.x = 0;
    blit.src.box.y = y;
    blit.dst.box.y = 0;
-   blit.src.box.z = strb->rtt_face + strb->rtt_slice;
+   blit.src.box.z = strb->surface->u.tex.first_layer;
    blit.dst.box.z = 0;
    blit.src.box.width = blit.dst.box.width = width;
    blit.src.box.height = blit.dst.box.height = height;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index faa9ee3f6..c09f34e37 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -175,10 +175,8 @@ st_FreeTextureImageBuffer(struct gl_context *ctx,
       pipe_resource_reference(&stImage->pt, NULL);
    }
 
-   if (stImage->TexData) {
-      _mesa_align_free(stImage->TexData);
-      stImage->TexData = NULL;
-   }
+   _mesa_align_free(stImage->TexData);
+   stImage->TexData = NULL;
 }
 
 
@@ -1156,8 +1154,8 @@ fallback_copy_texsubimage(struct gl_context *ctx,
 
    map = pipe_transfer_map(pipe,
                            strb->texture,
-                           strb->rtt_level,
-                           strb->rtt_face + strb->rtt_slice,
+                           strb->surface->u.tex.level,
+                           strb->surface->u.tex.first_layer,
                            PIPE_TRANSFER_READ,
                            srcX, srcY,
                            width, height, &src_trans);
diff --git a/mesalib/src/mesa/state_tracker/st_context.h b/mesalib/src/mesa/state_tracker/st_context.h
index ab89b4947..cd0a5ae98 100644
--- a/mesalib/src/mesa/state_tracker/st_context.h
+++ b/mesalib/src/mesa/state_tracker/st_context.h
@@ -178,6 +178,7 @@ struct st_context
       struct pipe_viewport_state viewport;
       void *vs;
       void *fs;
+      void *vs_layered;
    } clear;
 
    /** used for anything using util_draw_vertex_buffer */
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index cd10a0c9d..5e4a3b398 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -406,7 +406,6 @@ void st_init_extensions(struct st_context *st)
       { o(NV_texture_barrier),               PIPE_CAP_TEXTURE_BARRIER                  },
       /* 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                              },
       { o(ARB_texture_cube_map_array),       PIPE_CAP_CUBE_MAP_ARRAY                   },
@@ -444,11 +443,6 @@ void st_init_extensions(struct st_context *st)
       { { o(ARB_depth_buffer_float) },
         { PIPE_FORMAT_Z32_FLOAT,
           PIPE_FORMAT_Z32_FLOAT_S8X24_UINT } },
-
-      { { o(EXT_packed_depth_stencil) },
-        { PIPE_FORMAT_S8_UINT_Z24_UNORM,
-          PIPE_FORMAT_Z24_UNORM_S8_UINT },
-        GL_TRUE }, /* at least one format must be supported */
    };
 
    /* Required: sampler support */
@@ -605,6 +599,13 @@ void st_init_extensions(struct st_context *st)
       ctx->Const.ForceGLSLVersion = st->options.force_glsl_version;
    }
 
+   /* This extension needs full OpenGL 3.2, but we don't know if that's
+    * supported at this point. Only check the GLSL version. */
+   if (ctx->Const.GLSLVersion >= 150 &&
+       screen->get_param(screen, PIPE_CAP_TGSI_VS_LAYER)) {
+      ctx->Extensions.AMD_vertex_shader_layer = GL_TRUE;
+   }
+
    if (ctx->Const.GLSLVersion >= 130) {
       ctx->Const.NativeIntegers = GL_TRUE;
       ctx->Const.MaxClipPlanes = 8;
@@ -758,8 +759,7 @@ void st_init_extensions(struct st_context *st)
                              PIPE_BUFFER, PIPE_BIND_SAMPLER_VIEW);
    }
 
-   if (screen->get_param(screen, PIPE_CAP_MIXED_FRAMEBUFFER_SIZES) &&
-       ctx->Extensions.EXT_packed_depth_stencil) {
+   if (screen->get_param(screen, PIPE_CAP_MIXED_FRAMEBUFFER_SIZES)) {
       ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index ec2552384..6acf98390 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1854,12 +1854,12 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
  * Similarly for texture border colors.
  */
 void
-st_translate_color(union gl_color_union *colorIn,
+st_translate_color(const union gl_color_union *colorIn,
                    union pipe_color_union *colorOut,
                    GLenum baseFormat, GLboolean is_integer)
 {
    if (is_integer) {
-      int *in = colorIn->i;
+      const int *in = colorIn->i;
       int *out = colorOut->i;
 
       switch (baseFormat) {
@@ -1901,7 +1901,7 @@ st_translate_color(union gl_color_union *colorIn,
       }
    }
    else {
-      float *in = colorIn->f;
+      const float *in = colorIn->f;
       float *out = colorOut->f;
 
       switch (baseFormat) {
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index 6e97dcb96..3278748d0 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -73,7 +73,7 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
 
 
 extern void
-st_translate_color(union gl_color_union *colorIn,
+st_translate_color(const union gl_color_union *colorIn,
                    union pipe_color_union *colorOut,
                    GLenum baseFormat, GLboolean is_integer);
 
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index ac95968d6..1331c73dc 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1056,11 +1056,11 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir)
    if (strcmp(ir->name, "gl_FragCoord") == 0) {
       struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
 
-      fp->OriginUpperLeft = ir->origin_upper_left;
-      fp->PixelCenterInteger = ir->pixel_center_integer;
+      fp->OriginUpperLeft = ir->data.origin_upper_left;
+      fp->PixelCenterInteger = ir->data.pixel_center_integer;
    }
 
-   if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
+   if (ir->data.mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
       unsigned int i;
       const ir_state_slot *const slots = ir->state_slots;
       assert(ir->state_slots != NULL);
@@ -1137,53 +1137,10 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir)
 void
 glsl_to_tgsi_visitor::visit(ir_loop *ir)
 {
-   ir_dereference_variable *counter = NULL;
-
-   if (ir->counter != NULL)
-      counter = new(ir) ir_dereference_variable(ir->counter);
-
-   if (ir->from != NULL) {
-      assert(ir->counter != NULL);
-
-      ir_assignment *a = new(ir) ir_assignment(counter, ir->from, NULL);
-
-      a->accept(this);
-      delete a;
-   }
-
    emit(NULL, TGSI_OPCODE_BGNLOOP);
 
-   if (ir->to) {
-      ir_expression *e =
-         new(ir) ir_expression(ir->cmp, glsl_type::bool_type,
-        		       counter, ir->to);
-      ir_if *if_stmt =  new(ir) ir_if(e);
-
-      ir_loop_jump *brk = new(ir) ir_loop_jump(ir_loop_jump::jump_break);
-
-      if_stmt->then_instructions.push_tail(brk);
-
-      if_stmt->accept(this);
-
-      delete if_stmt;
-      delete e;
-      delete brk;
-   }
-
    visit_exec_list(&ir->body_instructions, this);
 
-   if (ir->increment) {
-      ir_expression *e =
-         new(ir) ir_expression(ir_binop_add, counter->type,
-        		       counter, ir->increment);
-
-      ir_assignment *a = new(ir) ir_assignment(counter, e, NULL);
-
-      a->accept(this);
-      delete a;
-      delete e;
-   }
-
    emit(NULL, TGSI_OPCODE_ENDLOOP);
 }
 
@@ -2063,10 +2020,10 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
    ir_variable *var = ir->var;
 
    if (!entry) {
-      switch (var->mode) {
+      switch (var->data.mode) {
       case ir_var_uniform:
          entry = new(mem_ctx) variable_storage(var, PROGRAM_UNIFORM,
-        				       var->location);
+        				       var->data.location);
          this->variables.push_tail(entry);
          break;
       case ir_var_shader_in:
@@ -2075,21 +2032,22 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
           * generic attributes (glBindVertexLocation), and
           * user-defined varyings.
           */
-         assert(var->location != -1);
+         assert(var->data.location != -1);
          entry = new(mem_ctx) variable_storage(var,
                                                PROGRAM_INPUT,
-                                               var->location);
+                                               var->data.location);
          break;
       case ir_var_shader_out:
-         assert(var->location != -1);
+         assert(var->data.location != -1);
          entry = new(mem_ctx) variable_storage(var,
                                                PROGRAM_OUTPUT,
-                                               var->location + var->index);
+                                               var->data.location
+                                               + var->data.index);
          break;
       case ir_var_system_value:
          entry = new(mem_ctx) variable_storage(var,
                                                PROGRAM_SYSTEM_VALUE,
-                                               var->location);
+                                               var->data.location);
          break;
       case ir_var_auto:
       case ir_var_temporary:
@@ -2388,7 +2346,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
       assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector());
       l.writemask = WRITEMASK_XYZW;
    } else if (ir->lhs->type->is_scalar() &&
-              ir->lhs->variable_referenced()->mode == ir_var_shader_out) {
+              ir->lhs->variable_referenced()->data.mode == ir_var_shader_out) {
       /* FINISHME: This hack makes writing to gl_FragDepth, which lives in the
        * FINISHME: W component of fragment shader output zero, work correctly.
        */
@@ -2664,8 +2622,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
       ir_rvalue *param_rval = (ir_rvalue *)iter.get();
       ir_variable *param = (ir_variable *)sig_iter.get();
 
-      if (param->mode == ir_var_function_in ||
-          param->mode == ir_var_function_inout) {
+      if (param->data.mode == ir_var_function_in ||
+          param->data.mode == ir_var_function_inout) {
          variable_storage *storage = find_variable_storage(param);
          assert(storage);
 
@@ -2700,8 +2658,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
       ir_rvalue *param_rval = (ir_rvalue *)iter.get();
       ir_variable *param = (ir_variable *)sig_iter.get();
 
-      if (param->mode == ir_var_function_out ||
-          param->mode == ir_var_function_inout) {
+      if (param->data.mode == ir_var_function_out ||
+          param->data.mode == ir_var_function_inout) {
          variable_storage *storage = find_variable_storage(param);
          assert(storage);
 
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c
index f010e1889..f72122b4f 100644
--- a/mesalib/src/mesa/state_tracker/st_program.c
+++ b/mesalib/src/mesa/state_tracker/st_program.c
@@ -258,6 +258,10 @@ st_prepare_vertex_program(struct gl_context *ctx,
             stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX;
             stvp->output_semantic_index[slot] = 0;
             break;
+         case VARYING_SLOT_LAYER:
+            stvp->output_semantic_name[slot] = TGSI_SEMANTIC_LAYER;
+            stvp->output_semantic_index[slot] = 0;
+            break;
 
          case VARYING_SLOT_TEX0:
          case VARYING_SLOT_TEX1:
@@ -563,6 +567,11 @@ st_translate_fragment_program(struct st_context *st,
             input_semantic_index[slot] = 0;
             interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
             break;
+         case VARYING_SLOT_PRIMITIVE_ID:
+            input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
+            input_semantic_index[slot] = 0;
+            interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
+            break;
          case VARYING_SLOT_CLIP_DIST0:
             input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
             input_semantic_index[slot] = 0;
diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h
index c15aeaea6..ac93d9655 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.h
+++ b/mesalib/src/mesa/state_tracker/st_texture.h
@@ -112,6 +112,12 @@ st_texture_object(struct gl_texture_object *obj)
    return (struct st_texture_object *) obj;
 }
 
+static INLINE const struct st_texture_object *
+st_texture_object_const(const struct gl_texture_object *obj)
+{
+   return (const struct st_texture_object *) obj;
+}
+
 
 static INLINE struct pipe_resource *
 st_get_texobj_resource(struct gl_texture_object *texObj)