Merge commit 'origin/master' into gallium-sampler-view

Conflicts:
	src/gallium/auxiliary/util/u_tile.c
	src/gallium/auxiliary/util/u_tile.h
	src/gallium/drivers/identity/id_context.c
	src/gallium/drivers/llvmpipe/lp_setup.c
	src/gallium/drivers/llvmpipe/lp_setup.h
	src/gallium/drivers/softpipe/sp_tex_tile_cache.c
	src/gallium/include/pipe/p_context.h
	src/mesa/state_tracker/st_cb_bitmap.c
	src/mesa/state_tracker/st_cb_drawpixels.c

16 files changed, 197 insertions, 196 deletions

diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c
index e766b3a9038..03e33361448 100644
--- a/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -138,7 +138,6 @@ static void
 load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *transfer;
    const GLuint rSize = ctx->PixelMaps.RtoR.Size;
    const GLuint gSize = ctx->PixelMaps.GtoG.Size;
@@ -151,7 +150,7 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
    transfer = st_cond_flush_get_tex_transfer(st_context(ctx),
 					     pt, 0, 0, 0, PIPE_TRANSFER_WRITE,
 					     0, 0, texSize, texSize);
-   dest = (uint *) screen->transfer_map(screen, transfer);
+   dest = (uint *) pipe->transfer_map(pipe, transfer);
 
    /* Pack four 1D maps into a 2D texture:
     * R map is placed horizontally, indexed by S, in channel 0
@@ -172,8 +171,8 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt)
       }
    }
 
-   screen->transfer_unmap(screen, transfer);
-   screen->tex_transfer_destroy(transfer);
+   pipe->transfer_unmap(pipe, transfer);
+   pipe->tex_transfer_destroy(pipe, transfer);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index 33e43ddcc4c..01aba3e3dd4 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -129,7 +129,6 @@ accum_accum(struct st_context *st, GLfloat value,
             struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *color_trans;
    size_t stride = acc_strb->stride;
    GLubyte *data = acc_strb->data;
@@ -145,7 +144,7 @@ accum_accum(struct st_context *st, GLfloat value,
 
    buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-   pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -166,7 +165,7 @@ accum_accum(struct st_context *st, GLfloat value,
    }
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
@@ -177,7 +176,6 @@ accum_load(struct st_context *st, GLfloat value,
            struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *color_trans;
    size_t stride = acc_strb->stride;
    GLubyte *data = acc_strb->data;
@@ -194,7 +192,7 @@ accum_load(struct st_context *st, GLfloat value,
 
    buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-   pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -215,7 +213,7 @@ accum_load(struct st_context *st, GLfloat value,
    }
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
@@ -226,7 +224,6 @@ accum_return(GLcontext *ctx, GLfloat value,
              struct st_renderbuffer *color_strb)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    const GLubyte *colormask = ctx->Color.ColorMask[0];
    enum pipe_transfer_usage usage;
    struct pipe_transfer *color_trans;
@@ -251,7 +248,7 @@ accum_return(GLcontext *ctx, GLfloat value,
 						width, height);
 
    if (usage & PIPE_TRANSFER_READ)
-      pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
+      pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
@@ -280,10 +277,10 @@ accum_return(GLcontext *ctx, GLfloat value,
       _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
 
-   pipe_put_tile_rgba(color_trans, 0, 0, width, height, buf);
+   pipe_put_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
 
    free(buf);
-   screen->tex_transfer_destroy(color_trans);
+   pipe->tex_transfer_destroy(pipe, color_trans);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c
index 25d33b933e3..9a0446bb710 100644
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -259,7 +259,6 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
                     const GLubyte *bitmap)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *transfer;
    ubyte *dest;
    struct pipe_texture *pt;
@@ -285,7 +284,7 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
 					   PIPE_TRANSFER_WRITE,
 					   0, 0, width, height);
 
-   dest = screen->transfer_map(screen, transfer);
+   dest = pipe->transfer_map(pipe, transfer);
 
    /* Put image into texture transfer */
    memset(dest, 0xff, height * transfer->stride);
@@ -295,8 +294,8 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
    _mesa_unmap_pbo_source(ctx, unpack);
 
    /* Release transfer */
-   screen->transfer_unmap(screen, transfer);
-   screen->tex_transfer_destroy(transfer);
+   pipe->transfer_unmap(pipe, transfer);
+   pipe->tex_transfer_destroy(pipe, transfer);
 
    return pt;
 }
@@ -520,7 +519,6 @@ static void
 reset_cache(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
@@ -532,7 +530,7 @@ reset_cache(struct st_context *st)
    cache->ymax = -1000000;
 
    if (cache->trans) {
-      screen->tex_transfer_destroy(cache->trans);
+      pipe->tex_transfer_destroy(pipe, cache->trans);
       cache->trans = NULL;
    }
 
@@ -570,7 +568,6 @@ static void
 create_cache_trans(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    if (cache->trans)
@@ -583,7 +580,7 @@ create_cache_trans(struct st_context *st)
 					       PIPE_TRANSFER_WRITE, 0, 0,
 					       BITMAP_CACHE_WIDTH,
 					       BITMAP_CACHE_HEIGHT);
-   cache->buffer = screen->transfer_map(screen, cache->trans);
+   cache->buffer = pipe->transfer_map(pipe, cache->trans);
 
    /* init image to all 0xff */
    memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
@@ -601,7 +598,6 @@ st_flush_bitmap_cache(struct st_context *st)
 
       if (st->ctx->DrawBuffer) {
          struct pipe_context *pipe = st->pipe;
-         struct pipe_screen *screen = pipe->screen;
          struct pipe_sampler_view *sv;
 
          assert(cache->xmin <= cache->xmax);
@@ -618,10 +614,10 @@ st_flush_bitmap_cache(struct st_context *st)
          if (cache->trans) {
             if (0)
                print_cache(cache);
-            screen->transfer_unmap(screen, cache->trans);
+            pipe->transfer_unmap(pipe, cache->trans);
             cache->buffer = NULL;
 
-            screen->tex_transfer_destroy(cache->trans);
+            pipe->tex_transfer_destroy(pipe, cache->trans);
             cache->trans = NULL;
          }
 
@@ -837,7 +833,6 @@ void
 st_destroy_bitmap(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
 
@@ -854,8 +849,8 @@ st_destroy_bitmap(struct st_context *st)
 
    if (cache) {
       if (cache->trans) {
-         screen->transfer_unmap(screen, cache->trans);
-         screen->tex_transfer_destroy(cache->trans);
+         pipe->transfer_unmap(pipe, cache->trans);
+         pipe->tex_transfer_destroy(pipe, cache->trans);
       }
       pipe_texture_reference(&st->bitmap.cache->texture, NULL);
       free(st->bitmap.cache);
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 236010c5b5d..75be79fd4b0 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -293,6 +293,51 @@ base_format(GLenum format)
 
 
 /**
+ * Create a temporary texture to hold an image of the given size.
+ * If width, height are not POT and the driver only handles POT textures,
+ * allocate the next larger size of texture that is POT.
+ */
+static struct pipe_texture *
+alloc_texture(struct st_context *st, GLsizei width, GLsizei height,
+              enum pipe_format texFormat)
+{
+   struct pipe_context *pipe = st->pipe;
+   struct pipe_screen *screen = pipe->screen;
+   struct pipe_texture *pt;
+   int ptw, pth;
+
+   ptw = width;
+   pth = height;
+
+   /* Need to use POT texture? */
+   if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {
+      int l2pt, maxSize;
+
+      l2pt = util_logbase2(width);
+      if (1 << l2pt != width) {
+         ptw = 1 << (l2pt + 1);
+      }
+
+      l2pt = util_logbase2(height);
+      if (1 << l2pt != height) {
+         pth = 1 << (l2pt + 1);
+      }
+
+      /* Check against maximum texture size */
+      maxSize = 1 << (pipe->screen->get_param(pipe->screen,
+                               PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+      assert(ptw <= maxSize);
+      assert(pth <= maxSize);
+   }
+
+   pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0,
+                          ptw, pth, 1, PIPE_TEXTURE_USAGE_SAMPLER);
+
+   return pt;
+}
+
+
+/**
  * Make texture containing an image for glDrawPixels image.
  * If 'pixels' is NULL, leave the texture image data undefined.
  */
@@ -304,13 +349,11 @@ make_texture(struct st_context *st,
 {
    GLcontext *ctx = st->ctx;
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    gl_format mformat;
    struct pipe_texture *pt;
    enum pipe_format pipeFormat;
    GLuint cpp;
    GLenum baseFormat;
-   int ptw, pth;
 
    baseFormat = base_format(format);
 
@@ -325,29 +368,8 @@ make_texture(struct st_context *st,
    if (!pixels)
       return NULL;
 
-   /* Need to use POT texture? */
-   ptw = width;
-   pth = height;
-   if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {
-      int l2pt, maxSize;
-
-      l2pt = util_logbase2(width);
-      if (1<<l2pt != width) {
-         ptw = 1<<(l2pt+1);
-      }
-      l2pt = util_logbase2(height);
-      if (1<<l2pt != height) {
-         pth = 1<<(l2pt+1);
-      }
-
-      /* Check against maximum texture size */
-      maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
-      assert(ptw <= maxSize);
-      assert(pth <= maxSize);
-   }
-
-   pt = st_texture_create(st, PIPE_TEXTURE_2D, pipeFormat, 0, ptw, pth, 1,
-                          PIPE_TEXTURE_USAGE_SAMPLER);
+   /* alloc temporary texture */
+   pt = alloc_texture(st, width, height, pipeFormat);
    if (!pt) {
       _mesa_unmap_pbo_source(ctx, unpack);
       return NULL;
@@ -368,7 +390,7 @@ make_texture(struct st_context *st,
 					      width, height);
 
       /* map texture transfer */
-      dest = screen->transfer_map(screen, transfer);
+      dest = pipe->transfer_map(pipe, transfer);
 
 
       /* Put image into texture transfer.
@@ -388,8 +410,8 @@ make_texture(struct st_context *st,
                                unpack);
 
       /* unmap */
-      screen->transfer_unmap(screen, transfer);
-      screen->tex_transfer_destroy(transfer);
+      pipe->transfer_unmap(pipe, transfer);
+      pipe->tex_transfer_destroy(pipe, transfer);
 
       assert(success);
 
@@ -405,7 +427,7 @@ make_texture(struct st_context *st,
 
 /**
  * Draw quad with texcoords and optional color.
- * Coords are window coords with y=0=bottom.
+ * Coords are gallium window coords with y=0=top.
  * \param color  may be null
  * \param invertTex  if true, flip texcoords vertically
  */
@@ -595,10 +617,15 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       cso_set_fragment_sampler_views(cso, 1, &sv);
    }
 
-   /* Compute window coords (y=0=bottom) with pixel zoom.
+   /* Compute Gallium window coords (y=0=top) with pixel zoom.
     * Recall that these coords are transformed by the current
     * vertex shader and viewport transformation.
     */
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) {
+      y = ctx->DrawBuffer->Height - (int) (y + height * ctx->Pixel.ZoomY);
+      invertTex = !invertTex;
+   }
+
    x0 = (GLfloat) x;
    x1 = x + width * ctx->Pixel.ZoomX;
    y0 = (GLfloat) y;
@@ -630,7 +657,6 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 {
    struct st_context *st = st_context(ctx);
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct st_renderbuffer *strb;
    enum pipe_transfer_usage usage;
    struct pipe_transfer *pt;
@@ -664,7 +690,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 				       usage, x, y,
 				       width, height);
 
-   stmap = screen->transfer_map(screen, pt);
+   stmap = pipe->transfer_map(pipe, pt);
 
    pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels);
    assert(pixels);
@@ -764,8 +790,8 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    _mesa_unmap_pbo_source(ctx, &clippedUnpack);
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, pt);
-   screen->tex_transfer_destroy(pt);
+   pipe->transfer_unmap(pipe, pt);
+   pipe->tex_transfer_destroy(pipe, pt);
 }
 
 
@@ -833,7 +859,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
                     GLint dstx, GLint dsty)
 {
    struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
    enum pipe_transfer_usage usage;
    struct pipe_transfer *ptDraw;
    ubyte *drawMap;
@@ -869,7 +895,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    assert(util_format_get_blockheight(ptDraw->texture->format) == 1);
 
    /* map the stencil buffer */
-   drawMap = screen->transfer_map(screen, ptDraw);
+   drawMap = pipe->transfer_map(pipe, ptDraw);
 
    /* draw */
    /* XXX PixelZoom not handled yet */
@@ -922,8 +948,8 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
    free(buffer);
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, ptDraw);
-   screen->tex_transfer_destroy(ptDraw);
+   pipe->transfer_unmap(pipe, ptDraw);
+   pipe->tex_transfer_destroy(pipe, ptDraw);
 }
 
 
@@ -941,7 +967,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
    struct pipe_sampler_view *sv;
    GLfloat *color;
    enum pipe_format srcFormat, texFormat;
-   int ptw, pth;
+   GLboolean invertTex = GL_FALSE;
 
    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
 
@@ -1017,8 +1043,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
       }
    }
 
-   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
-      srcy = ctx->DrawBuffer->Height - srcy - height;
+   if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+      srcy = ctx->ReadBuffer->Height - srcy - height;
 
       if (srcy < 0) {
          height -= -srcy;
@@ -1027,32 +1053,12 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       if (height < 0)
          return;
-   }
 
-   /* Need to use POT texture? */
-   ptw = width;
-   pth = height;
-   if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {
-      int l2pt, maxSize;
-
-      l2pt = util_logbase2(width);
-      if (1<<l2pt != width) {
-         ptw = 1<<(l2pt+1);
-      }
-      l2pt = util_logbase2(height);
-      if (1<<l2pt != height) {
-         pth = 1<<(l2pt+1);
-      }
-
-      /* Check against maximum texture size */
-      maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
-      assert(ptw <= maxSize);
-      assert(pth <= maxSize);
+      invertTex = !invertTex;
    }
 
-   pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0,
-                          ptw, pth, 1,
-                          PIPE_TEXTURE_USAGE_SAMPLER);
+   /* alloc temporary texture */
+   pt = alloc_texture(st, width, height, texFormat);
    if (!pt)
       return;
 
@@ -1062,6 +1068,9 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
       return;
    }
 
+   /* Make temporary texture which is a copy of the src region.
+    * We'll draw a quad with this texture to draw the dest image.
+    */
    if (srcFormat == texFormat) {
       /* copy source framebuffer surface into mipmap/texture */
       struct pipe_surface *psRead = screen->get_tex_surface(screen,
@@ -1082,6 +1091,13 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
                            psRead,
                            srcx, srcy, width, height);
       }
+
+      if (0) {
+         /* debug */
+         debug_dump_surface(pipe, "copypixsrcsurf", psRead);
+         debug_dump_surface(pipe, "copypixtemptex", psTex);
+      }
+
       pipe_surface_reference(&psRead, NULL); 
       pipe_surface_reference(&psTex, NULL);
    }
@@ -1109,21 +1125,21 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
          /* alternate path using get/put_tile() */
          GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
 
-         pipe_get_tile_rgba(ptRead, 0, 0, width, height, buf);
-         pipe_put_tile_rgba(ptTex, 0, 0, width, height, buf);
+         pipe_get_tile_rgba(pipe, ptRead, 0, 0, width, height, buf);
+         pipe_put_tile_rgba(pipe, ptTex, 0, 0, width, height, buf);
 
          free(buf);
       }
       else {
          /* GL_DEPTH */
          GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
-         pipe_get_tile_z(ptRead, 0, 0, width, height, buf);
-         pipe_put_tile_z(ptTex, 0, 0, width, height, buf);
+         pipe_get_tile_z(pipe, ptRead, 0, 0, width, height, buf);
+         pipe_put_tile_z(pipe, ptTex, 0, 0, width, height, buf);
          free(buf);
       }
 
-      screen->tex_transfer_destroy(ptRead);
-      screen->tex_transfer_destroy(ptTex);
+      pipe->tex_transfer_destroy(pipe, ptRead);
+      pipe->tex_transfer_destroy(pipe, ptTex);
    }
 
    /* draw textured quad */
@@ -1132,7 +1148,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
                       sv, 
                       driver_vp, 
                       driver_fp,
-                      color, GL_TRUE);
+                      color, invertTex);
 
    pipe_texture_reference(&pt, NULL);
    pipe_sampler_view_reference(&sv, NULL);
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 00e9d1dccbd..abf0c8d6cb1 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -379,6 +379,8 @@ st_render_texture(GLcontext *ctx,
                                            PIPE_BUFFER_USAGE_GPU_READ |
                                            PIPE_BUFFER_USAGE_GPU_WRITE);
 
+   strb->format = pt->format;
+
    strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
    strb->Base.DataType = st_format_datatype(pt->format);
 
diff --git a/src/mesa/state_tracker/st_cb_flush.c b/src/mesa/state_tracker/st_cb_flush.c
index 1329f807bc9..28a384ba49b 100644
--- a/src/mesa/state_tracker/st_cb_flush.c
+++ b/src/mesa/state_tracker/st_cb_flush.c
@@ -79,7 +79,7 @@ display_front_buffer(struct st_context *st)
       /* Hook for copying "fake" frontbuffer if necessary:
        */
       st->pipe->screen->flush_frontbuffer( st->pipe->screen, front_surf,
-                                           st->pipe->priv );
+                                           st->winsys_drawable_handle );
 
       /*
         st->frontbuffer_status = FRONT_STATUS_UNDEFINED;
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 952d9ce9156..080a5f9bfb8 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -63,7 +63,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                        GLvoid *pixels)
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
    struct st_renderbuffer *strb = st_renderbuffer(fb->_StencilBuffer);
    struct pipe_transfer *pt;
    ubyte *stmap;
@@ -81,7 +81,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 				       width, height);
 
    /* map the stencil buffer */
-   stmap = screen->transfer_map(screen, pt);
+   stmap = pipe->transfer_map(pipe, pt);
 
    /* width should never be > MAX_WIDTH since we did clipping earlier */
    ASSERT(width <= MAX_WIDTH);
@@ -161,8 +161,8 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    }
 
    /* unmap the stencil buffer */
-   screen->transfer_unmap(screen, pt);
-   screen->tex_transfer_destroy(pt);
+   pipe->transfer_unmap(pipe, pt);
+   pipe->tex_transfer_destroy(pipe, pt);
 }
 
 
@@ -234,13 +234,13 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
 
    {
       struct pipe_context *pipe = ctx->st->pipe;
-      struct pipe_screen *screen = pipe->screen;
       struct pipe_transfer *trans;
       const GLubyte *map;
       GLubyte *dst;
       GLint row, col, dy, dstStride;
 
       if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+         /* convert GL Y to Gallium Y */
          y = strb->texture->height0 - y - height;
       }
 
@@ -252,17 +252,22 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
          return GL_FALSE;
       }
 
-      map = screen->transfer_map(screen, trans);
+      map = pipe->transfer_map(pipe, trans);
       if (!map) {
-         screen->tex_transfer_destroy(trans);
+         pipe->tex_transfer_destroy(pipe, trans);
          return GL_FALSE;
       }
 
+      /* We always write to the user/dest buffer from low addr to high addr
+       * but the read order depends on renderbuffer orientation
+       */
       if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+         /* read source rows from bottom to top */
          y = height - 1;
          dy = -1;
       }
       else {
+         /* read source rows from top to bottom */
          y = 0;
          dy = 1;
       }
@@ -311,8 +316,8 @@ st_fast_readpixels(GLcontext *ctx, struct st_renderbuffer *strb,
          ; /* nothing */
       }
 
-      screen->transfer_unmap(screen, trans);
-      screen->tex_transfer_destroy(trans);
+      pipe->transfer_unmap(pipe, trans);
+      pipe->tex_transfer_destroy(pipe, trans);
    }
 
    return GL_TRUE;
@@ -331,7 +336,6 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
               GLvoid *dest)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    GLfloat temp[MAX_WIDTH][4];
    const GLbitfield transferOps = ctx->_ImageTransferState;
    GLsizei i, j;
@@ -396,6 +400,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
    }
 
    if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+      /* convert GL Y to Gallium Y */
       y = strb->Base.Height - y - height;
    }
 
@@ -436,7 +441,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
                GLuint ztemp[MAX_WIDTH];
                GLfloat zfloat[MAX_WIDTH];
                const double scale = 1.0 / ((1 << 24) - 1);
-               pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
                y += yStep;
                for (j = 0; j < width; j++) {
                   zfloat[j] = (float) (scale * (ztemp[j] & 0xffffff));
@@ -451,7 +456,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
                GLuint *zshort = (GLuint *)dst;
-               pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
                y += yStep;
                /* Reverse into 24/8 */
                for (j = 0; j < width; j++) {
@@ -468,7 +473,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
                GLuint ztemp[MAX_WIDTH];
                GLfloat zfloat[MAX_WIDTH];
                const double scale = 1.0 / ((1 << 24) - 1);
-               pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
                y += yStep;
                for (j = 0; j < width; j++) {
                   zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff));
@@ -482,7 +487,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             /* XXX: unreachable code -- should be before st_read_stencil_pixels */
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
-               pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
+               pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0);
                y += yStep;
                dst += dstStride;
             }
@@ -493,7 +498,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             GLushort ztemp[MAX_WIDTH];
             GLfloat zfloat[MAX_WIDTH];
             const double scale = 1.0 / 0xffff;
-            pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
             y += yStep;
             for (j = 0; j < width; j++) {
                zfloat[j] = (float) (scale * ztemp[j]);
@@ -508,7 +513,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             GLuint ztemp[MAX_WIDTH];
             GLfloat zfloat[MAX_WIDTH];
             const double scale = 1.0 / 0xffffffff;
-            pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+            pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0);
             y += yStep;
             for (j = 0; j < width; j++) {
                zfloat[j] = (float) (scale * ztemp[j]);
@@ -522,7 +527,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
          /* RGBA format */
          /* Do a row at a time to flip image data vertically */
          for (i = 0; i < height; i++) {
-            pipe_get_tile_rgba(trans, 0, y, width, 1, df);
+            pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df);
             y += yStep;
             df += dfStride;
             if (!dfStride) {
@@ -534,7 +539,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       }
    }
 
-   screen->tex_transfer_destroy(trans);
+   pipe->tex_transfer_destroy(pipe, trans);
 
    _mesa_unmap_pbo_dest(ctx, &clippedPacking);
 }
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 76846560f9f..04c0ef8c84c 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -375,7 +375,8 @@ compress_with_blit(GLcontext * ctx,
 {
    const GLuint dstImageOffsets[1] = {0};
    struct st_texture_image *stImage = st_texture_image(texImage);
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen = pipe->screen;
    gl_format mesa_format;
    struct pipe_texture templ;
    struct pipe_texture *src_tex;
@@ -425,7 +426,7 @@ compress_with_blit(GLcontext * ctx,
 					     0, 0, 0, /* face, level are zero */
 					     PIPE_TRANSFER_WRITE,
 					     0, 0, width, height); /* x, y, w, h */
-   map = screen->transfer_map(screen, tex_xfer);
+   map = pipe->transfer_map(pipe, tex_xfer);
 
    _mesa_texstore(ctx, 2, GL_RGBA, mesa_format,
                   map,              /* dest ptr */
@@ -437,8 +438,8 @@ compress_with_blit(GLcontext * ctx,
                   pixels,           /* source data */
                   unpack);          /* source data packing */
 
-   screen->transfer_unmap(screen, tex_xfer);
-   screen->tex_transfer_destroy(tex_xfer);
+   pipe->transfer_unmap(pipe, tex_xfer);
+   pipe->tex_transfer_destroy(pipe, tex_xfer);
 
    /* copy / compress image */
    util_blit_pixels_tex(ctx->st->blit,
@@ -813,7 +814,8 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
                      struct gl_texture_object *texObj,
                      struct gl_texture_image *texImage)
 {
-   struct pipe_screen *screen = ctx->st->pipe->screen;
+   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen = pipe->screen;
    struct st_texture_image *stImage = st_texture_image(texImage);
    const GLuint width = texImage->Width;
    const GLuint height = texImage->Height;
@@ -852,7 +854,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
    if (st_equal_formats(stImage->pt->format, format, type)) {
       /* memcpy */
       const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
-      ubyte *map = screen->transfer_map(screen, tex_xfer);
+      ubyte *map = pipe->transfer_map(pipe, tex_xfer);
       GLuint row;
       for (row = 0; row < height; row++) {
          GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
@@ -860,7 +862,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
          memcpy(dest, map, bytesPerRow);
          map += tex_xfer->stride;
       }
-      screen->transfer_unmap(screen, tex_xfer);
+      pipe->transfer_unmap(pipe, tex_xfer);
    }
    else {
       /* format translation via floats */
@@ -875,7 +877,7 @@ decompress_with_blit(GLcontext * ctx, GLenum target, GLint level,
             debug_printf("%s: fallback format translation\n", __FUNCTION__);
 
          /* get float[4] rgba row from surface */
-         pipe_get_tile_rgba(tex_xfer, 0, row, width, 1, rgba);
+         pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba);
 
          _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
                                     type, dest, &ctx->Pack, transferOps);
@@ -1260,7 +1262,6 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
                           GLsizei width, GLsizei height)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *src_trans;
    GLvoid *texDest;
    enum pipe_transfer_usage transfer_usage;
@@ -1313,11 +1314,11 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
       /* To avoid a large temp memory allocation, do copy row by row */
       for (row = 0; row < height; row++, srcY += yStep) {
          uint data[MAX_WIDTH];
-         pipe_get_tile_z(src_trans, 0, srcY, width, 1, data);
+         pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
          if (scaleOrBias) {
             _mesa_scale_and_bias_depth_uint(ctx, width, data);
          }
-         pipe_put_tile_z(stImage->transfer, 0, row, width, 1, data);
+         pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
       }
    }
    else {
@@ -1339,7 +1340,7 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
          /* XXX this usually involves a lot of int/float conversion.
           * try to avoid that someday.
           */
-         pipe_get_tile_rgba(src_trans, 0, 0, width, height, tempSrc);
+         pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc);
 
          /* Store into texture memory.
           * Note that this does some special things such as pixel transfer
@@ -1367,7 +1368,7 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
    }
 
    st_texture_image_unmap(ctx->st, stImage);
-   screen->tex_transfer_destroy(src_trans);
+   pipe->tex_transfer_destroy(pipe, src_trans);
 }
 
 
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index e978415c200..ce1a2ea33cd 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -287,7 +287,7 @@ st_make_current(struct st_context *st,
       }
 
       _mesa_check_init_viewport(st->ctx, draw->InitWidth, draw->InitHeight);
-      st->pipe->priv = winsys_drawable_handle;
+      st->winsys_drawable_handle = winsys_drawable_handle;
 
       return GL_TRUE;
    }
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index ae73817c0e6..4f3a67f41b2 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -186,6 +186,7 @@ struct st_context
    struct cso_context *cso_context;
 
    int force_msaa;
+   void *winsys_drawable_handle;
 };
 
 
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 8a6e1ed4662..7f45e3f5484 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -184,7 +184,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
       /* this is an odd-ball case */
       assert(type == GL_UNSIGNED_BYTE);
       assert(normalized);
-      return PIPE_FORMAT_A8R8G8B8_UNORM;
+      return PIPE_FORMAT_B8G8R8A8_UNORM;
    }
 
    if (normalized) {
@@ -273,7 +273,8 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
    }
 
    *userSpace = (num_client_arrays == vpv->num_inputs);
-   /* printf("user space: %d (%d %d)\n", (int) *userSpace,num_client_arrays,vp->num_inputs); */
+   /* debug_printf("user space: %s (%d arrays, %d inputs)\n",
+      (int)*userSpace ? "Yes" : "No", num_client_arrays, vp->num_inputs); */
 
    return GL_TRUE;
 }
@@ -293,6 +294,8 @@ get_arrays_bounds(const struct st_vertex_program *vp,
    const GLubyte *high_addr = NULL;
    GLuint attr;
 
+   /* debug_printf("get_arrays_bounds: Handling %u attrs\n", vpv->num_inputs); */
+
    for (attr = 0; attr < vpv->num_inputs; attr++) {
       const GLuint mesaAttr = vp->index_to_input[attr];
       const GLint stride = arrays[mesaAttr]->StrideB;
@@ -301,6 +304,9 @@ get_arrays_bounds(const struct st_vertex_program *vp,
                            _mesa_sizeof_type(arrays[mesaAttr]->Type));
       const GLubyte *end = start + (max_index * stride) + sz;
 
+      /* debug_printf("attr %u: stride %d size %u start %p end %p\n",
+         attr, stride, sz, start, end); */
+
       if (attr == 0) {
          low_addr = start;
          high_addr = end;
@@ -348,7 +354,8 @@ setup_interleaved_attribs(GLcontext *ctx,
          const GLubyte *low, *high;
 
          get_arrays_bounds(vp, vpv, arrays, max_index, &low, &high);
-         /*printf("buffer range: %p %p  %d\n", low, high, high-low);*/
+         /* debug_printf("buffer range: %p %p range %d max index %u\n",
+            low, high, high - low, max_index); */
 
          offset0 = low;
          if (userSpace) {
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index e03dd30f0f5..290ee36b0fe 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -172,6 +172,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
    ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
+   ctx->Extensions.ARB_window_pos = GL_TRUE;
 
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
@@ -196,9 +197,17 @@ void st_init_extensions(struct st_context *st)
 
    ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
 
+   ctx->Extensions.MESA_pack_invert = GL_TRUE;
+
    ctx->Extensions.NV_blend_square = GL_TRUE;
    ctx->Extensions.NV_texgen_reflection = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+   ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+#if 0
+   /* possibly could support the following two */
+   ctx->Extensions.NV_vertex_program = GL_TRUE;
+   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
 
 #if FEATURE_OES_draw_texture
    ctx->Extensions.OES_draw_texture = GL_TRUE;
@@ -236,7 +245,6 @@ void st_init_extensions(struct st_context *st)
 
    if (screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {
       ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
-      ctx->Extensions.NV_texture_rectangle = GL_TRUE;
    }
 
    if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) {
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 1d35e8d6574..0a91183f89d 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -167,9 +167,7 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
                            uint surfIndex, struct pipe_surface *surf)
 {
    GET_CURRENT_CONTEXT(ctx);
-   static const GLuint invalid_size = 9999999;
    struct st_renderbuffer *strb;
-   GLuint width, height, i;
 
    /* sanity checks */
    assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
@@ -183,18 +181,17 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
    strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
 
    if (!strb) {
-      if (surfIndex == ST_SURFACE_FRONT_LEFT) {
-         /* Delayed creation when the window system supplies a fake front buffer */
-         struct st_renderbuffer *strb_back
-            = st_renderbuffer(stfb->Base.Attachment[ST_SURFACE_BACK_LEFT].Renderbuffer);
-         struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(surf->format, strb_back->Base.NumSamples, FALSE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
-         strb = st_renderbuffer(rb);
-      } else {
-         /* fail */
+      /* create new renderbuffer for this surface now */
+      const GLuint numSamples = stfb->Base.Visual.samples;
+      struct gl_renderbuffer *rb =
+         st_new_renderbuffer_fb(surf->format, numSamples, FALSE);
+      if (!rb) {
+         /* out of memory */
+         _mesa_warning(ctx, "Out of memory allocating renderbuffer");
          return;
       }
+      _mesa_add_renderbuffer(&stfb->Base, surfIndex, rb);
+      strb = st_renderbuffer(rb);
    }
 
    /* replace the renderbuffer's surface/texture pointers */
@@ -206,39 +203,16 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
        * But when we do, we need to start setting this dirty bit
        * to ensure the renderbuffer attachements are up-to-date
        * via update_framebuffer.
+       * Core Mesa's state validation will update the parent framebuffer's
+       * size info, etc.
        */
       ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER;
+      ctx->NewState |= _NEW_BUFFERS;
    }
 
    /* update renderbuffer's width/height */
    strb->Base.Width = surf->width;
    strb->Base.Height = surf->height;
-
-   /* Try to update the framebuffer's width/height from the renderbuffer
-    * sizes.  Before we start drawing, all the rbs _should_ be the same size.
-    */
-   width = height = invalid_size;
-   for (i = 0; i < BUFFER_COUNT; i++) {
-      if (stfb->Base.Attachment[i].Renderbuffer) {
-         if (width == invalid_size) {
-            width = stfb->Base.Attachment[i].Renderbuffer->Width;
-            height = stfb->Base.Attachment[i].Renderbuffer->Height;
-         }
-         else if (width != stfb->Base.Attachment[i].Renderbuffer->Width ||
-                  height != stfb->Base.Attachment[i].Renderbuffer->Height) {
-            /* inconsistant renderbuffer sizes, bail out */
-            return;
-         }
-      }
-   }
-
-   if (width != invalid_size) {
-      /* OK, the renderbuffers are of a consistant size, so update the
-       * parent framebuffer's size.
-       */
-      stfb->Base.Width = width;
-      stfb->Base.Height = height;
-   }
 }
 
 
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index f67d7b4cb5c..b2521433c87 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -106,7 +106,6 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                          struct gl_texture_object *texObj)
 {
    struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_texture *pt = st_get_texobj_texture(texObj);
    const uint baseLevel = texObj->BaseLevel;
    const uint lastLevel = pt->last_level;
@@ -142,8 +141,8 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
 						u_minify(pt->width0, dstLevel),
 						u_minify(pt->height0, dstLevel));
 
-      srcData = (ubyte *) screen->transfer_map(screen, srcTrans);
-      dstData = (ubyte *) screen->transfer_map(screen, dstTrans);
+      srcData = (ubyte *) pipe->transfer_map(pipe, srcTrans);
+      dstData = (ubyte *) pipe->transfer_map(pipe, dstTrans);
 
       srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->texture->format);
       dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->texture->format);
@@ -161,11 +160,11 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                                   dstData,
                                   dstStride); /* stride in texels */
 
-      screen->transfer_unmap(screen, srcTrans);
-      screen->transfer_unmap(screen, dstTrans);
+      pipe->transfer_unmap(pipe, srcTrans);
+      pipe->transfer_unmap(pipe, dstTrans);
 
-      screen->tex_transfer_destroy(srcTrans);
-      screen->tex_transfer_destroy(dstTrans);
+      pipe->tex_transfer_destroy(pipe, srcTrans);
+      pipe->tex_transfer_destroy(pipe, dstTrans);
    }
 }
 
diff --git a/src/mesa/state_tracker/st_inlines.h b/src/mesa/state_tracker/st_inlines.h
index e105870bc75..7fcde7b1a96 100644
--- a/src/mesa/state_tracker/st_inlines.h
+++ b/src/mesa/state_tracker/st_inlines.h
@@ -53,11 +53,11 @@ st_cond_flush_get_tex_transfer(struct st_context *st,
 			       unsigned int x, unsigned int y,
 			       unsigned int w, unsigned int h)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *context = st->pipe;
 
    st_teximage_flush_before_map(st, pt, face, level, usage);
-   return screen->get_tex_transfer(screen, pt, face, level, zslice, usage,
-				   x, y, w, h);
+   return context->get_tex_transfer(context, pt, face, level, zslice, usage,
+				    x, y, w, h);
 }
 
 static INLINE struct pipe_transfer *
@@ -70,9 +70,9 @@ st_no_flush_get_tex_transfer(struct st_context *st,
 			     unsigned int x, unsigned int y,
 			     unsigned int w, unsigned int h)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *context = st->pipe;
 
-   return screen->get_tex_transfer(screen, pt, face, level,
+   return context->get_tex_transfer(context, pt, face, level,
 				   zslice, usage, x, y, w, h);
 }
 
diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index 5a45c4358a9..10a38befb41 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -192,7 +192,6 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
                      GLuint x, GLuint y, GLuint w, GLuint h)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct pipe_texture *pt = stImage->pt;
 
    DBG("%s \n", __FUNCTION__);
@@ -202,7 +201,7 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
 						    usage, x, y, w, h);
 
    if (stImage->transfer)
-      return screen->transfer_map(screen, stImage->transfer);
+      return pipe->transfer_map(pipe, stImage->transfer);
    else
       return NULL;
 }
@@ -212,13 +211,13 @@ void
 st_texture_image_unmap(struct st_context *st,
                        struct st_texture_image *stImage)
 {
-   struct pipe_screen *screen = st->pipe->screen;
+   struct pipe_context *pipe = st->pipe;
 
    DBG("%s\n", __FUNCTION__);
 
-   screen->transfer_unmap(screen, stImage->transfer);
+   pipe->transfer_unmap(pipe, stImage->transfer);
 
-   screen->tex_transfer_destroy(stImage->transfer);
+   pipe->tex_transfer_destroy(pipe, stImage->transfer);
 }
 
 
@@ -238,8 +237,7 @@ st_surface_data(struct pipe_context *pipe,
 		const void *src, unsigned src_stride,
 		unsigned srcx, unsigned srcy, unsigned width, unsigned height)
 {
-   struct pipe_screen *screen = pipe->screen;
-   void *map = screen->transfer_map(screen, dst);
+   void *map = pipe->transfer_map(pipe, dst);
 
    assert(dst->texture);
    util_copy_rect(map,
@@ -250,7 +248,7 @@ st_surface_data(struct pipe_context *pipe,
                   src, src_stride, 
                   srcx, srcy);
 
-   screen->transfer_unmap(screen, dst);
+   pipe->transfer_unmap(pipe, dst);
 }
 
 
@@ -265,7 +263,6 @@ st_texture_image_data(struct st_context *st,
                       GLuint src_row_stride, GLuint src_image_stride)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    GLuint depth = u_minify(dst->depth0, level);
    GLuint i;
    const GLubyte *srcUB = src;
@@ -287,7 +284,7 @@ st_texture_image_data(struct st_context *st,
 		      u_minify(dst->width0, level),
                       u_minify(dst->height0, level));      /* width, height */
 
-      screen->tex_transfer_destroy(dst_transfer);
+      pipe->tex_transfer_destroy(pipe, dst_transfer);
 
       srcUB += src_image_stride;
    }