libX11 mesa pixman git update 6 jan 2012

12 files changed, 265 insertions, 636 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
index adac92f2c..6d95d57c1 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -291,10 +291,6 @@ st_bufferobj_map_range(struct gl_context *ctx,
                                         flags,
                                         &st_obj->transfer);
    if (obj->Pointer) {
-      obj->Pointer = (ubyte *) obj->Pointer + offset;
-   }
-
-   if (obj->Pointer) {
       obj->Offset = offset;
       obj->Length = length;
       obj->AccessFlags = access;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 318ba7d06..0609a54ea 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -517,7 +517,6 @@ make_texture(struct st_context *st,
       success = _mesa_texstore(ctx, 2,           /* dims */
                                baseInternalFormat, /* baseInternalFormat */
                                mformat,          /* gl_format */
-                               0, 0, 0,          /* dstX/Y/Zoffset */
                                transfer->stride, /* dstRowStride, bytes */
                                &dest,            /* destSlices */
                                width, height, 1, /* size */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_eglimage.c b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
index 37c20ebe3..5209fc795 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
@@ -125,7 +125,7 @@ st_bind_surface(struct gl_context *ctx, GLenum target,
 
    texFormat = st_pipe_format_to_mesa_format(ps->format);
 
-   _mesa_init_teximage_fields(ctx, target, texImage,
+   _mesa_init_teximage_fields(ctx, texImage,
                               ps->width, ps->height, 1, 0, internalFormat,
                               texFormat);
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 289ad5114..592d04b92 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -153,7 +153,8 @@ st_DeleteTextureObject(struct gl_context *ctx,
 
 /** called via ctx->Driver.FreeTextureImageBuffer() */
 static void
-st_FreeTextureImageBuffer(struct gl_context * ctx, struct gl_texture_image *texImage)
+st_FreeTextureImageBuffer(struct gl_context *ctx,
+                          struct gl_texture_image *texImage)
 {
    struct st_texture_image *stImage = st_texture_image(texImage);
 
@@ -415,8 +416,6 @@ guess_and_alloc_texture(struct st_context *st,
  * Called via ctx->Driver.AllocTextureImageBuffer().
  * If the texture object/buffer already has space for the indicated image,
  * we're done.  Otherwise, allocate memory for the new texture image.
- * XXX This function and st_TexImage() have some duplicated code.  That
- * can be cleaned up in the future.
  */
 static GLboolean
 st_AllocTextureImageBuffer(struct gl_context *ctx,
@@ -471,7 +470,10 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
    }
    else {
       /* Create a new, temporary texture/resource/buffer to hold this
-       * one texture image.
+       * one texture image.  Note that when we later access this image
+       * (either for mapping or copying) we'll want to always specify
+       * mipmap level=0, even if the image represents some other mipmap
+       * level.
        */
       enum pipe_format format =
          st_mesa_format_to_pipe_format(texImage->TexFormat);
@@ -495,34 +497,24 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
    }
 }
 
+
 /**
- * Do glTexImage1/2/3D().
+ * Preparation prior to glTexImage.  Basically check the 'surface_based'
+ * field and switch to a "normal" tex image if necessary.
  */
 static void
-st_TexImage(struct gl_context * ctx,
-            GLint dims,
-            GLenum target, GLint level,
-            GLint internalFormat,
-            GLint width, GLint height, GLint depth,
-            GLint border,
-            GLenum format, GLenum type, const void *pixels,
-            const struct gl_pixelstore_attrib *unpack,
-            struct gl_texture_object *texObj,
-            struct gl_texture_image *texImage,
-            GLsizei imageSize, GLboolean compressed_src)
+prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
+              GLint internalFormat,
+              GLint width, GLint height, GLint depth, GLint border,
+              GLenum format, GLenum type)
 {
-   struct st_context *st = st_context(ctx);
+   struct gl_texture_object *texObj = texImage->TexObject;
    struct st_texture_object *stObj = st_texture_object(texObj);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   GLuint dstRowStride = 0;
-   enum pipe_transfer_usage transfer_usage = 0;
-   GLubyte *dstMap;
-
-   DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
 
    /* switch to "normal" */
    if (stObj->surface_based) {
+      const GLenum target = texObj->Target;
+      const GLuint level = texImage->Level;
       gl_format texFormat;
 
       _mesa_clear_texture_object(ctx, texObj);
@@ -532,265 +524,72 @@ st_TexImage(struct gl_context * ctx,
       texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
                                               internalFormat, format, type);
 
-      _mesa_init_teximage_fields(ctx, target, texImage,
+      _mesa_init_teximage_fields(ctx, texImage,
                                  width, height, depth, border,
                                  internalFormat, texFormat);
 
       stObj->surface_based = GL_FALSE;
    }
-
-   assert(texImage->Width == width);
-   assert(texImage->Height == height);
-   assert(texImage->Depth == depth);
-
-   stImage->base.Face = _mesa_tex_target_to_face(target);
-   stImage->base.Level = level;
-
-   /* Release the reference to a potentially orphaned buffer.   
-    * Release any old malloced memory.
-    */
-   if (stImage->pt) {
-      pipe_resource_reference(&stImage->pt, NULL);
-      assert(!stImage->TexData);
-   }
-   else if (stImage->TexData) {
-      _mesa_align_free(stImage->TexData);
-   }
-
-   /*
-    * See if the new image is somehow incompatible with the existing
-    * mipmap.  If so, free the old mipmap.
-    */
-   if (stObj->pt) {
-      if (level > (GLint) stObj->pt->last_level ||
-          !st_texture_match_image(stObj->pt, &stImage->base)) {
-         DBG("release it\n");
-         pipe_resource_reference(&stObj->pt, NULL);
-         assert(!stObj->pt);
-         pipe_sampler_view_reference(&stObj->sampler_view, NULL);
-      }
-   }
-
-   if (width == 0 || height == 0 || depth == 0) {
-      /* stop after freeing old image */
-      return;
-   }
-
-   if (!stObj->pt) {
-      if (!guess_and_alloc_texture(st, stObj, stImage)) {
-         /* Probably out of memory.
-          * Try flushing any pending rendering, then retry.
-          */
-         st_finish(st);
-         if (!guess_and_alloc_texture(st, stObj, stImage)) {
-            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-            return;
-         }
-      }
-   }
-
-   assert(!stImage->pt);
-
-   /* Check if this texture image can live inside the texture object's buffer.
-    * If so, store the image there.  Otherwise the image will temporarily live
-    * in its own buffer.
-    */
-   if (stObj->pt &&
-       st_texture_match_image(stObj->pt, &stImage->base)) {
-
-      pipe_resource_reference(&stImage->pt, stObj->pt);
-      assert(stImage->pt);
-   }
-
-   if (!stImage->pt)
-      DBG("XXX: Image did not fit into texture - storing in local memory!\n");
-
-   /* Pixel data may come from regular user memory or a PBO.  For the later,
-    * do bounds checking and map the PBO to read pixels data from it.
-    *
-    * XXX we should try to use a GPU-accelerated path to copy the image data
-    * from the PBO to the texture.
-    */
-   if (compressed_src) {
-      pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
-						      unpack,
-						      "glCompressedTexImage");
-   }
-   else {
-      pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
-					   format, type,
-					   pixels, unpack, "glTexImage");
-   }
-
-   /* for a 1D array upload the image as a series of layer with height = 1 */
-   if (target == GL_TEXTURE_1D_ARRAY) {
-      depth = height;
-      height = 1;
-   }
-
-   /*
-    * Prepare to store the texture data.  Either map the gallium texture buffer
-    * memory or malloc space for it.
-    */
-   if (stImage->pt) {
-      if (!pixels) {
-         /* We've allocated texture resource, but have no pixel data - all done. */
-         goto done;
-      }
-
-      /* Store the image in the gallium transfer object */
-      if (format == GL_DEPTH_COMPONENT &&
-          util_format_is_depth_and_stencil(stImage->pt->format))
-         transfer_usage = PIPE_TRANSFER_READ_WRITE;
-      else
-         transfer_usage = PIPE_TRANSFER_WRITE;
-
-      dstMap = st_texture_image_map(st, stImage, 0,
-                                    transfer_usage, 0, 0, width, height);
-      if(stImage->transfer)
-         dstRowStride = stImage->transfer->stride;
-   }
-   else {
-      /* Allocate regular memory and store the image there temporarily.   */
-      GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
-                                                 width, height, depth);
-      dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
-
-      stImage->TexData = _mesa_align_malloc(imageSize, 16);
-      dstMap = stImage->TexData;
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-      return;
-   }
-
-   if (!pixels) {
-      /* We've allocated texture memory, but have no pixel data - all done. */
-      goto done;
-   }
-
-   DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
-       width, height, depth, width, dstRowStride);
-
-   /* Copy user texture image into the mapped texture buffer.
-    */
-   if (compressed_src) {
-      const GLuint srcRowStride =
-         _mesa_format_row_stride(texImage->TexFormat, width);
-      if (dstRowStride == srcRowStride) {
-         memcpy(dstMap, pixels, imageSize);
-      }
-      else {
-         GLubyte *dst = dstMap;
-         const char *src = pixels;
-         GLuint i, bw, bh, lines;
-         _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
-         lines = (height + bh - 1) / bh;
-
-         for (i = 0; i < lines; ++i) {
-            memcpy(dst, src, srcRowStride);
-            dst += dstRowStride;
-            src += srcRowStride;
-         }
-      }
-   }
-   else {
-      const GLuint srcImageStride =
-         _mesa_image_image_stride(unpack, width, height, format, type);
-      GLint i;
-      const GLubyte *src = (const GLubyte *) pixels;
-
-      for (i = 0; i < depth; i++) {
-	 if (!_mesa_texstore(ctx, dims, 
-                             texImage->_BaseFormat, 
-                             texImage->TexFormat, 
-                             0, 0, 0, /* dstX/Y/Zoffset */
-                             dstRowStride,
-                             (GLubyte **) &dstMap, /* dstSlice */
-                             width, height, 1,
-                             format, type, src, unpack)) {
-	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-	 }
-
-	 if (stImage->pt && i + 1 < depth) {
-            /* unmap this slice */
-	    st_texture_image_unmap(st, stImage);
-            /* map next slice of 3D texture */
-            dstMap = st_texture_image_map(st, stImage, i + 1,
-                                          transfer_usage, 0, 0,
-                                          width, height);
-	    src += srcImageStride;
-	 }
-      }
-   }
-
-done:
-   _mesa_unmap_teximage_pbo(ctx, unpack);
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
 }
 
 
 static void
 st_TexImage3D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint height, GLint depth,
               GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
-               border, format, type, pixels, unpack, texObj, texImage,
-               0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
+                 format, type);
+   _mesa_store_teximage3d(ctx, texImage, internalFormat, width, height, depth,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
 st_TexImage2D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint height, GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
-               format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, height, 1, border,
+                 format, type);
+   _mesa_store_teximage2d(ctx, texImage, internalFormat, width, height,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
 st_TexImage1D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
-               format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+                 format, type);
+   _mesa_store_teximage1d(ctx, texImage, internalFormat, width,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
-st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
+st_CompressedTexImage2D(struct gl_context *ctx,
+                        struct gl_texture_image *texImage,
                         GLint internalFormat,
                         GLint width, GLint height, GLint border,
-                        GLsizei imageSize, const GLvoid *data,
-                        struct gl_texture_object *texObj,
-                        struct gl_texture_image *texImage)
+                        GLsizei imageSize, const GLvoid *data)
 {
-   st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
-               0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
+   prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+                 GL_NONE, GL_NONE);
+   _mesa_store_compressed_teximage2d(ctx, texImage, internalFormat, width,
+                                     height, border, imageSize, data);
 }
 
 
@@ -929,224 +728,6 @@ st_GetTexImage(struct gl_context * ctx,
 }
 
 
-static void
-st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
-               GLint xoffset, GLint yoffset, GLint zoffset,
-               GLint width, GLint height, GLint depth,
-               GLenum format, GLenum type, const void *pixels,
-               const struct gl_pixelstore_attrib *packing,
-               struct gl_texture_object *texObj,
-               struct gl_texture_image *texImage)
-{
-   struct st_context *st = st_context(ctx);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   GLuint dstRowStride;
-   const GLuint srcImageStride =
-      _mesa_image_image_stride(packing, width, height, format, type);
-   GLint i;
-   const GLubyte *src;
-   /* init to silence warning only: */
-   enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
-   GLubyte *dstMap;
-
-   DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(target),
-       level, xoffset, yoffset, width, height);
-
-   pixels =
-      _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
-                                  type, pixels, packing, "glTexSubImage2D");
-   if (!pixels)
-      return;
-
-   /* for a 1D array upload the image as a series of layer with height = 1 */
-   if (target == GL_TEXTURE_1D_ARRAY) {
-      depth = height;
-      height = 1;
-   }
-
-   /* Map buffer if necessary.  Need to lock to prevent other contexts
-    * from uploading the buffer under us.
-    */
-   if (stImage->pt) {
-      if (format == GL_DEPTH_COMPONENT &&
-          util_format_is_depth_and_stencil(stImage->pt->format))
-         transfer_usage = PIPE_TRANSFER_READ_WRITE;
-      else
-         transfer_usage = PIPE_TRANSFER_WRITE;
-
-      dstMap = st_texture_image_map(st, stImage, zoffset, 
-                                    transfer_usage,
-                                    xoffset, yoffset,
-                                    width, height);
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
-      goto done;
-   }
-
-   src = (const GLubyte *) pixels;
-   dstRowStride = stImage->transfer->stride;
-
-   for (i = 0; i < depth; i++) {
-      if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
-                          texImage->TexFormat,
-                          0, 0, 0,
-                          dstRowStride,
-                          (GLubyte **) &dstMap,
-                          width, height, 1,
-                          format, type, src, packing)) {
-	 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
-      }
-
-      if (stImage->pt && i + 1 < depth) {
-         /* unmap this slice */
-	 st_texture_image_unmap(st, stImage);
-         /* map next slice of 3D texture */
-	 dstMap = st_texture_image_map(st, stImage,
-                                       zoffset + i + 1,
-                                       transfer_usage,
-                                       xoffset, yoffset,
-                                       width, height);
-	 src += srcImageStride;
-      }
-   }
-
-done:
-   _mesa_unmap_teximage_pbo(ctx, packing);
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
-}
-
-
-
-static void
-st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLint yoffset, GLint zoffset,
-                 GLsizei width, GLsizei height, GLsizei depth,
-                 GLenum format, GLenum type, const GLvoid *pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
-                  width, height, depth, format, type,
-                  pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLint yoffset,
-                 GLsizei width, GLsizei height,
-                 GLenum format, GLenum type, const GLvoid * pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
-                  width, height, 1, format, type,
-                  pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLsizei width, GLenum format, GLenum type,
-                 const GLvoid * pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
-                  format, type, pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLsizei width,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   assert(0);
-}
-
-
-static void
-st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLint yoffset,
-                           GLsizei width, GLint height,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   struct st_context *st = st_context(ctx);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   int srcBlockStride;
-   int dstBlockStride;
-   int y;
-   enum pipe_format pformat;
-   GLubyte *dstMap;
-
-   if (stImage->pt) {
-      pformat = stImage->pt->format;
-
-      dstMap = st_texture_image_map(st, stImage, 0, 
-                                    PIPE_TRANSFER_WRITE,
-                                    xoffset, yoffset,
-                                    width, height);
-      
-      srcBlockStride = util_format_get_stride(pformat, width);
-      dstBlockStride = stImage->transfer->stride;
-   } else {
-      assert(stImage->pt);
-      /* TODO find good values for block and strides */
-      /* TODO also adjust texImage->data for yoffset/xoffset */
-      return;
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
-      return;
-   }
-
-   assert(xoffset % util_format_get_blockwidth(pformat) == 0);
-   assert(yoffset % util_format_get_blockheight(pformat) == 0);
-
-   for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
-      /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
-      const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
-      char *dst = (char *) dstMap + dstBlockStride * util_format_get_nblocksy(pformat, y);
-      memcpy(dst, src, util_format_get_stride(pformat, width));
-   }
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
-}
-
-
-static void
-st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLint yoffset, GLint zoffset,
-                           GLsizei width, GLint height, GLint depth,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   assert(0);
-}
-
-
-
 /**
  * Do a CopyTexSubImage operation using a read transfer from the source,
  * a write transfer to the destination and get_tile()/put_tile() to access
@@ -1255,7 +836,6 @@ fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
          _mesa_texstore(ctx, dims,
                         texImage->_BaseFormat, 
                         texImage->TexFormat, 
-                        0, 0, 0,
                         dstRowStride,
                         (GLubyte **) &texDest,
                         width, height, 1,
@@ -1515,11 +1095,11 @@ st_copy_texsubimage(struct gl_context *ctx,
    return;
 
 fallback:
-      /* software fallback */
-      fallback_copy_texsubimage(ctx, target, level,
-                                strb, stImage, texBaseFormat,
-                                destX, destY, destZ,
-                                srcX, srcY, width, height);
+   /* software fallback */
+   fallback_copy_texsubimage(ctx, target, level,
+                             strb, stImage, texBaseFormat,
+                             destX, destY, destZ,
+                             srcX, srcY, width, height);
 }
 
 
@@ -1582,9 +1162,15 @@ copy_image_data_to_texture(struct st_context *st,
    if (stImage->pt) {
       /* Copy potentially with the blitter:
        */
+      GLuint src_level;
+      if (stImage->pt != stObj->pt)
+         src_level = 0;
+      else
+         src_level = stImage->base.Level;
+
       st_texture_image_copy(st->pipe,
                             stObj->pt, dstLevel,  /* dest texture, level */
-                            stImage->pt, stImage->base.Level, /* src texture, level */
+                            stImage->pt, src_level, /* src texture, level */
                             stImage->base.Face);
 
       pipe_resource_reference(&stImage->pt, NULL);
@@ -1777,17 +1363,15 @@ st_get_default_texture(struct st_context *st)
 
       texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
 
-      _mesa_init_teximage_fields(st->ctx, target, texImg,
+      _mesa_init_teximage_fields(st->ctx, texImg,
                                  16, 16, 1, 0,  /* w, h, d, border */
                                  GL_RGBA, MESA_FORMAT_RGBA8888);
 
-      st_TexImage(st->ctx, 2, target,
-                  0, GL_RGBA,    /* level, intformat */
-                  16, 16, 1, 0,  /* w, h, d, border */
-                  GL_RGBA, GL_UNSIGNED_BYTE, pixels,
-                  &st->ctx->DefaultPacking,
-                  texObj, texImg,
-                  0, 0);
+      _mesa_store_teximage2d(st->ctx, texImg, 
+                             GL_RGBA,    /* level, intformat */
+                             16, 16, 1,  /* w, h, d, border */
+                             GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+                             &st->ctx->DefaultPacking);
 
       texObj->Sampler.MinFilter = GL_NEAREST;
       texObj->Sampler.MagFilter = GL_NEAREST;
@@ -1866,12 +1450,12 @@ st_init_texture_functions(struct dd_function_table *functions)
    functions->TexImage1D = st_TexImage1D;
    functions->TexImage2D = st_TexImage2D;
    functions->TexImage3D = st_TexImage3D;
-   functions->TexSubImage1D = st_TexSubImage1D;
-   functions->TexSubImage2D = st_TexSubImage2D;
-   functions->TexSubImage3D = st_TexSubImage3D;
-   functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
-   functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
-   functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
+   functions->TexSubImage1D = _mesa_store_texsubimage1d;
+   functions->TexSubImage2D = _mesa_store_texsubimage2d;
+   functions->TexSubImage3D = _mesa_store_texsubimage3d;
+   functions->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d;
+   functions->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d;
+   functions->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d;
    functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
    functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
    functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index 87a997865..6d6fc858d 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -102,6 +102,13 @@ static GLuint uint_types_scale[4] = {
    PIPE_FORMAT_R32G32B32A32_USCALED
 };
 
+static GLuint uint_types_int[4] = {
+   PIPE_FORMAT_R32_UINT,
+   PIPE_FORMAT_R32G32_UINT,
+   PIPE_FORMAT_R32G32B32_UINT,
+   PIPE_FORMAT_R32G32B32A32_UINT
+};
+
 static GLuint int_types_norm[4] = {
    PIPE_FORMAT_R32_SNORM,
    PIPE_FORMAT_R32G32_SNORM,
@@ -116,6 +123,13 @@ static GLuint int_types_scale[4] = {
    PIPE_FORMAT_R32G32B32A32_SSCALED
 };
 
+static GLuint int_types_int[4] = {
+   PIPE_FORMAT_R32_SINT,
+   PIPE_FORMAT_R32G32_SINT,
+   PIPE_FORMAT_R32G32B32_SINT,
+   PIPE_FORMAT_R32G32B32A32_SINT
+};
+
 static GLuint ushort_types_norm[4] = {
    PIPE_FORMAT_R16_UNORM,
    PIPE_FORMAT_R16G16_UNORM,
@@ -130,6 +144,13 @@ static GLuint ushort_types_scale[4] = {
    PIPE_FORMAT_R16G16B16A16_USCALED
 };
 
+static GLuint ushort_types_int[4] = {
+   PIPE_FORMAT_R16_UINT,
+   PIPE_FORMAT_R16G16_UINT,
+   PIPE_FORMAT_R16G16B16_UINT,
+   PIPE_FORMAT_R16G16B16A16_UINT
+};
+
 static GLuint short_types_norm[4] = {
    PIPE_FORMAT_R16_SNORM,
    PIPE_FORMAT_R16G16_SNORM,
@@ -144,6 +165,13 @@ static GLuint short_types_scale[4] = {
    PIPE_FORMAT_R16G16B16A16_SSCALED
 };
 
+static GLuint short_types_int[4] = {
+   PIPE_FORMAT_R16_SINT,
+   PIPE_FORMAT_R16G16_SINT,
+   PIPE_FORMAT_R16G16B16_SINT,
+   PIPE_FORMAT_R16G16B16A16_SINT
+};
+
 static GLuint ubyte_types_norm[4] = {
    PIPE_FORMAT_R8_UNORM,
    PIPE_FORMAT_R8G8_UNORM,
@@ -158,6 +186,13 @@ static GLuint ubyte_types_scale[4] = {
    PIPE_FORMAT_R8G8B8A8_USCALED
 };
 
+static GLuint ubyte_types_int[4] = {
+   PIPE_FORMAT_R8_UINT,
+   PIPE_FORMAT_R8G8_UINT,
+   PIPE_FORMAT_R8G8B8_UINT,
+   PIPE_FORMAT_R8G8B8A8_UINT
+};
+
 static GLuint byte_types_norm[4] = {
    PIPE_FORMAT_R8_SNORM,
    PIPE_FORMAT_R8G8_SNORM,
@@ -172,6 +207,13 @@ static GLuint byte_types_scale[4] = {
    PIPE_FORMAT_R8G8B8A8_SSCALED
 };
 
+static GLuint byte_types_int[4] = {
+   PIPE_FORMAT_R8_SINT,
+   PIPE_FORMAT_R8G8_SINT,
+   PIPE_FORMAT_R8G8B8_SINT,
+   PIPE_FORMAT_R8G8B8A8_SINT
+};
+
 static GLuint fixed_types[4] = {
    PIPE_FORMAT_R32_FIXED,
    PIPE_FORMAT_R32G32_FIXED,
@@ -186,7 +228,7 @@ static GLuint fixed_types[4] = {
  */
 enum pipe_format
 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
-                      GLboolean normalized)
+                      GLboolean normalized, GLboolean integer)
 {
    assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
           type == GL_FIXED || type == GL_HALF_FLOAT ||
@@ -199,6 +241,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
    if (type == GL_INT_2_10_10_10_REV ||
        type == GL_UNSIGNED_INT_2_10_10_10_REV) {
       assert(size == 4);
+      assert(!integer);
 
       if (format == GL_BGRA) {
          if (type == GL_INT_2_10_10_10_REV) {
@@ -234,7 +277,18 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
       return PIPE_FORMAT_B8G8R8A8_UNORM;
    }
 
-   if (normalized) {
+   if (integer) {
+      switch (type) {
+      case GL_INT: return int_types_int[size-1];
+      case GL_SHORT: return short_types_int[size-1];
+      case GL_BYTE: return byte_types_int[size-1];
+      case GL_UNSIGNED_INT: return uint_types_int[size-1];
+      case GL_UNSIGNED_SHORT: return ushort_types_int[size-1];
+      case GL_UNSIGNED_BYTE: return ubyte_types_int[size-1];
+      default: assert(0); return 0;
+      }
+   }
+   else if (normalized) {
       switch (type) {
       case GL_DOUBLE: return double_types[size-1];
       case GL_FLOAT: return float_types[size-1];
@@ -407,7 +461,8 @@ setup_interleaved_attribs(struct gl_context *ctx,
       velements[attr].src_format = st_pipe_vertex_format(array->Type,
                                                          array->Size,
                                                          array->Format,
-                                                         array->Normalized);
+                                                         array->Normalized,
+                                                         array->Integer);
       assert(velements[attr].src_format);
 
       if (!usingVBO) {
@@ -564,7 +619,8 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
       velements[attr].src_format = st_pipe_vertex_format(array->Type,
                                                          array->Size,
                                                          array->Format,
-                                                         array->Normalized);
+                                                         array->Normalized,
+                                                         array->Integer);
       assert(velements[attr].src_format);
    }
 
@@ -584,20 +640,7 @@ setup_index_buffer(struct gl_context *ctx,
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;
 
-      switch (ib->type) {
-      case GL_UNSIGNED_INT:
-         ibuffer->index_size = 4;
-         break;
-      case GL_UNSIGNED_SHORT:
-         ibuffer->index_size = 2;
-         break;
-      case GL_UNSIGNED_BYTE:
-         ibuffer->index_size = 1;
-         break;
-      default:
-         assert(0);
-	 return;
-      }
+      ibuffer->index_size = vbo_sizeof_ib_type(ib->type);
 
       /* get/create the index buffer object */
       if (_mesa_is_bufferobj(bufobj)) {
@@ -781,16 +824,17 @@ handle_fallback_primitive_restart(struct pipe_context *pipe,
                                   start * ibuffer->index_size, /* start */
                                   count * ibuffer->index_size, /* length */
                                   PIPE_TRANSFER_READ, &transfer);
+      if (!ptr)
+         return;
+
+      ptr = (uint8_t*)ptr + (ibuffer->offset - start * ibuffer->index_size);
    }
    else {
       ptr = ib->ptr;
+      if (!ptr)
+         return;
    }
 
-   if (!ptr)
-      return;
-
-   ptr = ADD_POINTERS(ptr, ibuffer->offset);
-
    sub_prims = find_sub_primitives(ptr, ibuffer->index_size,
                                    0, count, orig_info->restart_index,
                                    &num_sub_prims);
diff --git a/mesalib/src/mesa/state_tracker/st_draw.h b/mesalib/src/mesa/state_tracker/st_draw.h
index 2623cdbb1..47bdb11f8 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.h
+++ b/mesalib/src/mesa/state_tracker/st_draw.h
@@ -73,7 +73,7 @@ st_feedback_draw_vbo(struct gl_context *ctx,
  */
 extern enum pipe_format
 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
-                      GLboolean normalized);
+                      GLboolean normalized, GLboolean integer);
 
 
 /**
diff --git a/mesalib/src/mesa/state_tracker/st_draw_feedback.c b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
index 4c1e67495..fbf0349b4 100644
--- a/mesalib/src/mesa/state_tracker/st_draw_feedback.c
+++ b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
@@ -196,7 +196,8 @@ st_feedback_draw_vbo(struct gl_context *ctx,
          st_pipe_vertex_format(arrays[mesaAttr]->Type,
                                arrays[mesaAttr]->Size,
                                arrays[mesaAttr]->Format,
-                               arrays[mesaAttr]->Normalized);
+                               arrays[mesaAttr]->Normalized,
+                               arrays[mesaAttr]->Integer);
       assert(velements[attr].src_format);
 
       /* tell draw about this attribute */
@@ -218,20 +219,9 @@ st_feedback_draw_vbo(struct gl_context *ctx,
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;
 
-      switch (ib->type) {
-      case GL_UNSIGNED_INT:
-         ibuffer.index_size = 4;
-         break;
-      case GL_UNSIGNED_SHORT:
-         ibuffer.index_size = 2;
-         break;
-      case GL_UNSIGNED_BYTE:
-         ibuffer.index_size = 1;
-         break;
-      default:
-         assert(0);
-	 goto out_unref_vertex;
-      }
+      ibuffer.index_size = vbo_sizeof_ib_type(ib->type);
+      if (ibuffer.index_size == 0)
+         goto out_unref_vertex;
 
       if (bufobj && bufobj->Name) {
          struct st_buffer_object *stobj = st_buffer_object(bufobj);
diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
index 36fea3d7f..d817a9c2b 100644
--- a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
@@ -244,7 +244,7 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
       ctx->Driver.FreeTextureImageBuffer(ctx, dstImage);
 
       /* initialize new image */
-      _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight,
+      _mesa_init_teximage_fields(ctx, dstImage, dstWidth, dstHeight,
                                  dstDepth, border, srcImage->InternalFormat,
                                  srcImage->TexFormat);
 
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 77aa0d17b..73d956ea1 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -304,6 +304,7 @@ public:
    int samplers_used;
    bool indirect_addr_temps;
    bool indirect_addr_consts;
+   int num_clip_distances;
    
    int glsl_version;
    bool native_integers;
@@ -413,7 +414,6 @@ public:
 
    bool process_move_condition(ir_rvalue *ir);
 
-   void remove_output_reads(gl_register_file type);
    void simplify_cmp(void);
 
    void rename_temp_register(int index, int new_index);
@@ -1781,6 +1781,9 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
    case ir_unop_floor:
       emit(ir, TGSI_OPCODE_FLR, result_dst, op[0]);
       break;
+   case ir_unop_round_even:
+      emit(ir, TGSI_OPCODE_ROUND, result_dst, op[0]);
+      break;
    case ir_unop_fract:
       emit(ir, TGSI_OPCODE_FRC, result_dst, op[0]);
       break;
@@ -1830,7 +1833,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
          emit(ir, TGSI_OPCODE_OR, result_dst, op[0], op[1]);
          break;
       }
-   case ir_unop_round_even:
+
       assert(!"GLSL 1.30 features unsupported");
       break;
 
@@ -2920,89 +2923,6 @@ set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
    }
 }
 
-/*
- * Scan/rewrite program to remove reads of custom (output) registers.
- * The passed type has to be either PROGRAM_OUTPUT or PROGRAM_VARYING
- * (for vertex shaders).
- * In GLSL shaders, varying vars can be read and written.
- * On some hardware, trying to read an output register causes trouble.
- * So, rewrite the program to use a temporary register in this case.
- * 
- * Based on _mesa_remove_output_reads from programopt.c.
- */
-void
-glsl_to_tgsi_visitor::remove_output_reads(gl_register_file type)
-{
-   GLuint i;
-   GLint outputMap[VERT_RESULT_MAX];
-   GLint outputTypes[VERT_RESULT_MAX];
-   GLuint numVaryingReads = 0;
-   GLboolean *usedTemps;
-   GLuint firstTemp = 0;
-
-   usedTemps = new GLboolean[MAX_TEMPS];
-   if (!usedTemps) {
-      return;
-   }
-   _mesa_find_used_registers(prog, PROGRAM_TEMPORARY,
-                             usedTemps, MAX_TEMPS);
-
-   assert(type == PROGRAM_VARYING || type == PROGRAM_OUTPUT);
-   assert(prog->Target == GL_VERTEX_PROGRAM_ARB || type != PROGRAM_VARYING);
-
-   for (i = 0; i < VERT_RESULT_MAX; i++)
-      outputMap[i] = -1;
-
-   /* look for instructions which read from varying vars */
-   foreach_iter(exec_list_iterator, iter, this->instructions) {
-      glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
-      const GLuint numSrc = num_inst_src_regs(inst->op);
-      GLuint j;
-      for (j = 0; j < numSrc; j++) {
-         if (inst->src[j].file == type) {
-            /* replace the read with a temp reg */
-            const GLuint var = inst->src[j].index;
-            if (outputMap[var] == -1) {
-               numVaryingReads++;
-               outputMap[var] = _mesa_find_free_register(usedTemps,
-                                                         MAX_TEMPS,
-                                                         firstTemp);
-               outputTypes[var] = inst->src[j].type;
-               firstTemp = outputMap[var] + 1;
-            }
-            inst->src[j].file = PROGRAM_TEMPORARY;
-            inst->src[j].index = outputMap[var];
-         }
-      }
-   }
-
-   delete [] usedTemps;
-
-   if (numVaryingReads == 0)
-      return; /* nothing to be done */
-
-   /* look for instructions which write to the varying vars identified above */
-   foreach_iter(exec_list_iterator, iter, this->instructions) {
-      glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
-      if (inst->dst.file == type && outputMap[inst->dst.index] >= 0) {
-         /* change inst to write to the temp reg, instead of the varying */
-         inst->dst.file = PROGRAM_TEMPORARY;
-         inst->dst.index = outputMap[inst->dst.index];
-      }
-   }
-   
-   /* insert new MOV instructions at the end */
-   for (i = 0; i < VERT_RESULT_MAX; i++) {
-      if (outputMap[i] >= 0) {
-         /* MOV VAR[i], TEMP[tmp]; */
-         st_src_reg src = st_src_reg(PROGRAM_TEMPORARY, outputMap[i], outputTypes[i]);
-         st_dst_reg dst = st_dst_reg(type, WRITEMASK_XYZW, outputTypes[i]);
-         dst.index = i;
-         this->emit(NULL, TGSI_OPCODE_MOV, dst, src);
-      }
-   }
-}
-
 /**
  * Returns the mask of channels (bitmask of WRITEMASK_X,Y,Z,W) which
  * are read from the given src in this instruction
@@ -3505,10 +3425,15 @@ glsl_to_tgsi_visitor::eliminate_dead_code_advanced(void)
       switch (inst->op) {
       case TGSI_OPCODE_BGNLOOP:
       case TGSI_OPCODE_ENDLOOP:
+      case TGSI_OPCODE_CONT:
+      case TGSI_OPCODE_BRK:
          /* End of a basic block, clear the write array entirely.
-          * FIXME: This keeps us from killing dead code when the writes are
+          *
+          * This keeps us from killing dead code when the writes are
           * on either side of a loop, even when the register isn't touched
-          * inside the loop.
+          * inside the loop.  However, glsl_to_tgsi_visitor doesn't seem to emit
+          * dead code of this type, so it shouldn't make a difference as long as
+          * the dead code elimination pass in the GLSL compiler does its job.
           */
          memset(writes, 0, sizeof(*writes) * this->next_temp * 4);
          break;
@@ -3708,6 +3633,7 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
    /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
    v->ctx = original->ctx;
    v->prog = prog;
+   v->shader_program = NULL;
    v->glsl_version = original->glsl_version;
    v->native_integers = original->native_integers;
    v->options = original->options;
@@ -3837,6 +3763,7 @@ get_bitmap_visitor(struct st_fragment_program *fp,
    /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
    v->ctx = original->ctx;
    v->prog = prog;
+   v->shader_program = NULL;
    v->glsl_version = original->glsl_version;
    v->native_integers = original->native_integers;
    v->options = original->options;
@@ -4550,6 +4477,15 @@ st_translate_program(
    t->pointSizeOutIndex = -1;
    t->prevInstWrotePointSize = GL_FALSE;
 
+   if (program->shader_program) {
+      for (i = 0; i < program->shader_program->NumUserUniformStorage; i++) {
+         struct gl_uniform_storage *const storage =
+               &program->shader_program->UniformStorage[i];
+
+         _mesa_uniform_detach_all_driver_storage(storage);
+      }
+   }
+
    /*
     * Declare input attributes.
     */
@@ -4622,9 +4558,17 @@ st_translate_program(
       }
 
       for (i = 0; i < numOutputs; i++) {
-         t->outputs[i] = ureg_DECL_output(ureg,
-                                          outputSemanticName[i],
-                                          outputSemanticIndex[i]);
+         if (outputSemanticName[i] == TGSI_SEMANTIC_CLIPDIST) {
+            int mask = ((1 << (program->num_clip_distances - 4*outputSemanticIndex[i])) - 1) & TGSI_WRITEMASK_XYZW;
+            t->outputs[i] = ureg_DECL_output_masked(ureg,
+                                                    outputSemanticName[i],
+                                                    outputSemanticIndex[i],
+                                                    mask);
+         } else {
+            t->outputs[i] = ureg_DECL_output(ureg,
+                                             outputSemanticName[i],
+                                             outputSemanticIndex[i]);
+         }
          if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && proginfo->Id) {
             /* Writing to the point size result register requires special
              * handling to implement clamping.
@@ -4776,6 +4720,20 @@ st_translate_program(
                        t->insn[t->labels[i].branch_target]);
    }
 
+   if (program->shader_program) {
+      /* This has to be done last.  Any operation the can cause
+       * prog->ParameterValues to get reallocated (e.g., anything that adds a
+       * program constant) has to happen before creating this linkage.
+       */
+      for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+         if (program->shader_program->_LinkedShaders[i] == NULL)
+            continue;
+
+         _mesa_associate_uniform_storage(ctx, program->shader_program,
+               program->shader_program->_LinkedShaders[i]->Program->Parameters);
+      }
+   }
+
 out:
    if (t) {
       FREE(t->insn);
@@ -4801,7 +4759,8 @@ out:
 static struct gl_program *
 get_mesa_program(struct gl_context *ctx,
                  struct gl_shader_program *shader_program,
-        	 struct gl_shader *shader)
+                 struct gl_shader *shader,
+                 int num_clip_distances)
 {
    glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
    struct gl_program *prog;
@@ -4846,10 +4805,18 @@ get_mesa_program(struct gl_context *ctx,
    v->options = options;
    v->glsl_version = ctx->Const.GLSLVersion;
    v->native_integers = ctx->Const.NativeIntegers;
+   v->num_clip_distances = num_clip_distances;
 
    _mesa_generate_parameters_list_for_uniforms(shader_program, shader,
 					       prog->Parameters);
 
+   if (!screen->get_shader_param(screen, pipe_shader_type,
+                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
+      /* Remove reads to output registers, and to varyings in vertex shaders. */
+      lower_output_reads(shader->ir);
+   }
+
+
    /* Emit intermediate IR for main(). */
    visit_exec_list(shader->ir, v);
 
@@ -4896,14 +4863,6 @@ get_mesa_program(struct gl_context *ctx,
    }
 #endif
 
-   if (!screen->get_shader_param(screen, pipe_shader_type,
-                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
-      /* Remove reads to output registers, and to varyings in vertex shaders. */
-      v->remove_output_reads(PROGRAM_OUTPUT);
-      if (target == GL_VERTEX_PROGRAM_ARB)
-         v->remove_output_reads(PROGRAM_VARYING);
-   }
-   
    /* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
    v->simplify_cmp();
    v->copy_propagate();
@@ -4975,6 +4934,25 @@ get_mesa_program(struct gl_context *ctx,
    return prog;
 }
 
+/**
+ * Searches through the IR for a declaration of gl_ClipDistance and returns the
+ * declared size of the gl_ClipDistance array.  Returns 0 if gl_ClipDistance is
+ * not declared in the IR.
+ */
+int get_clip_distance_size(exec_list *ir)
+{
+   foreach_iter (exec_list_iterator, iter, *ir) {
+      ir_instruction *inst = (ir_instruction *)iter.get();
+      ir_variable *var = inst->as_variable();
+      if (var == NULL) continue;
+      if (!strcmp(var->name, "gl_ClipDistance")) {
+         return var->type->length;
+      }
+   }
+   
+   return 0;
+}
+
 extern "C" {
 
 struct gl_shader *
@@ -5013,6 +4991,7 @@ st_new_shader_program(struct gl_context *ctx, GLuint name)
 GLboolean
 st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 {
+   int num_clip_distances[MESA_SHADER_TYPES];
    assert(prog->LinkStatus);
 
    for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
@@ -5024,6 +5003,11 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       const struct gl_shader_compiler_options *options =
             &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)];
 
+      /* We have to determine the length of the gl_ClipDistance array before
+       * the array is lowered to two vec4s by lower_clip_distance().
+       */
+      num_clip_distances[i] = get_clip_distance_size(ir);
+
       do {
          progress = false;
 
@@ -5040,6 +5024,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 	   || progress;
 
          progress = lower_quadop_vector(ir, false) || progress;
+         progress = lower_clip_distance(ir) || progress;
 
          if (options->MaxIfDepth == 0)
             progress = lower_discard(ir) || progress;
@@ -5074,7 +5059,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       if (prog->_LinkedShaders[i] == NULL)
          continue;
 
-      linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
+      linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i],
+                                     num_clip_distances[i]);
 
       if (linked_prog) {
 	 static const GLenum targets[] = {
@@ -5120,7 +5106,8 @@ st_translate_stream_output_info(struct glsl_to_tgsi_visitor *glsl_to_tgsi,
       so->output[i].register_index =
          outputMapping[info->Outputs[i].OutputRegister];
       so->output[i].register_mask =
-         comps_to_mask[info->Outputs[i].NumComponents];
+         comps_to_mask[info->Outputs[i].NumComponents]
+         << info->Outputs[i].ComponentOffset;
       so->output[i].output_buffer = info->Outputs[i].OutputBuffer;
    }
    so->num_outputs = info->NumOutputs;
diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c
index 828f0d81f..c0af3ce11 100644
--- a/mesalib/src/mesa/state_tracker/st_manager.c
+++ b/mesalib/src/mesa/state_tracker/st_manager.c
@@ -535,7 +535,7 @@ st_context_teximage(struct st_context_iface *stctxi,
       texFormat = st_ChooseTextureFormat(ctx, internalFormat,
                                          GL_BGRA, GL_UNSIGNED_BYTE);
 
-      _mesa_init_teximage_fields(ctx, target, texImage,
+      _mesa_init_teximage_fields(ctx, texImage,
                                  tex->width0, tex->height0, 1, 0,
                                  internalFormat, texFormat);
 
@@ -647,9 +647,13 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
    if (attribs->major > 1 || attribs->minor > 0) {
       _mesa_compute_version(st->ctx);
 
-      /* is the actual version less than the requested version? */
+      /* Is the actual version less than the requested version?  Mesa can't
+       * yet enforce the added restrictions of a forward-looking context, so
+       * fail that too.
+       */
       if (st->ctx->VersionMajor * 10 + st->ctx->VersionMinor <
-          attribs->major * 10 + attribs->minor) {
+          attribs->major * 10 + attribs->minor
+	  || (attribs->flags & ~ST_CONTEXT_FLAG_DEBUG) != 0) {
 	 *error = ST_CONTEXT_ERROR_BAD_VERSION;
          st_destroy_context(st);
          return NULL;
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c
index b83c56165..aceaaf8c5 100644
--- a/mesalib/src/mesa/state_tracker/st_program.c
+++ b/mesalib/src/mesa/state_tracker/st_program.c
@@ -244,6 +244,14 @@ st_prepare_vertex_program(struct gl_context *ctx,
             stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
             stvp->output_semantic_index[slot] = 0;
             break;
+         case VERT_RESULT_CLIP_DIST0:
+            stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+            stvp->output_semantic_index[slot] = 0;
+            break;
+         case VERT_RESULT_CLIP_DIST1:
+            stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+            stvp->output_semantic_index[slot] = 1;
+            break;
          case VERT_RESULT_EDGE:
             assert(0);
             break;
@@ -530,12 +538,12 @@ st_translate_fragment_program(struct st_context *st,
             case FRAG_ATTRIB_COL0:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 0;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_COL1:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 1;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_FOGC:
                input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
@@ -547,6 +555,16 @@ st_translate_fragment_program(struct st_context *st,
                input_semantic_index[slot] = 0;
                interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
                break;
+            case FRAG_ATTRIB_CLIP_DIST0:
+               input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+               input_semantic_index[slot] = 0;
+               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               break;
+            case FRAG_ATTRIB_CLIP_DIST1:
+               input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+               input_semantic_index[slot] = 1;
+               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               break;
                /* In most cases, there is nothing special about these
                 * inputs, so adopt a convention to use the generic
                 * semantic name and the mesa FRAG_ATTRIB_ number as the
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 3323bbbbe..132d7a81c 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -215,12 +215,19 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
                      GLuint zoffset, enum pipe_transfer_usage usage,
                      GLuint x, GLuint y, GLuint w, GLuint h)
 {
+   struct st_texture_object *stObj =
+      st_texture_object(stImage->base.TexObject);
    struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *pt = stImage->pt;
+   GLuint level;
 
    DBG("%s \n", __FUNCTION__);
 
-   stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->base.Level,
+   if (stObj->pt != stImage->pt)
+      level = 0;
+   else
+      level = stImage->base.Level;
+
+   stImage->transfer = pipe_get_transfer(st->pipe, stImage->pt, level,
                                          stImage->base.Face + zoffset,
                                          usage, x, y, w, h);