Merge remote-tracking branch 'origin/released'

* origin/released:
  libX11 mesa xserver xkeyboard-config git update 1 aug 2013

2 files changed, 57 insertions, 26 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_format_s3tc.c b/mesalib/src/gallium/auxiliary/util/u_format_s3tc.c
index fd628157b..11b46020b 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_s3tc.c
+++ b/mesalib/src/gallium/auxiliary/util/u_format_s3tc.c
@@ -111,7 +111,6 @@ util_format_s3tc_init(void)
    util_dl_proc fetch_2d_texel_rgba_dxt3;
    util_dl_proc fetch_2d_texel_rgba_dxt5;
    util_dl_proc tx_compress_dxtn;
-   char *force_s3tc_enable;
 
    if (!first_time)
       return;
@@ -122,15 +121,8 @@ util_format_s3tc_init(void)
 
    library = util_dl_open(DXTN_LIBNAME);
    if (!library) {
-      if ((force_s3tc_enable = getenv("force_s3tc_enable")) &&
-          !strcmp(force_s3tc_enable, "true")) {
-         debug_printf("couldn't open " DXTN_LIBNAME ", enabling DXTn due to "
-            "force_s3tc_enable=true environment variable\n");
-         util_format_s3tc_enabled = TRUE;
-      } else {
-         debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
-            "compression/decompression unavailable\n");
-      }
+      debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
+                   "compression/decompression unavailable\n");
       return;
    }
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_inlines.h b/mesalib/src/gallium/auxiliary/util/u_inlines.h
index 6e65ee6c9..7a82f05c3 100644
--- a/mesalib/src/gallium/auxiliary/util/u_inlines.h
+++ b/mesalib/src/gallium/auxiliary/util/u_inlines.h
@@ -227,6 +227,12 @@ pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2)
  * Convenience wrappers for screen buffer functions.
  */
 
+
+/**
+ * Create a new resource.
+ * \param bind  bitmask of PIPE_BIND_x flags
+ * \param usage  bitmask of PIPE_USAGE_x flags
+ */
 static INLINE struct pipe_resource *
 pipe_buffer_create( struct pipe_screen *screen,
 		    unsigned bind,
@@ -247,12 +253,20 @@ pipe_buffer_create( struct pipe_screen *screen,
    return screen->resource_create(screen, &buffer);
 }
 
+
+/**
+ * Map a range of a resource.
+ * \param offset  start of region, in bytes 
+ * \param length  size of region, in bytes 
+ * \param access  bitmask of PIPE_TRANSFER_x flags
+ * \param transfer  returns a transfer object
+ */
 static INLINE void *
 pipe_buffer_map_range(struct pipe_context *pipe,
 		      struct pipe_resource *buffer,
 		      unsigned offset,
 		      unsigned length,
-		      unsigned usage,
+		      unsigned access,
 		      struct pipe_transfer **transfer)
 {
    struct pipe_box box;
@@ -264,7 +278,7 @@ pipe_buffer_map_range(struct pipe_context *pipe,
 
    u_box_1d(offset, length, &box);
 
-   map = pipe->transfer_map(pipe, buffer, 0, usage, &box, transfer);
+   map = pipe->transfer_map(pipe, buffer, 0, access, &box, transfer);
    if (map == NULL) {
       return NULL;
    }
@@ -273,13 +287,18 @@ pipe_buffer_map_range(struct pipe_context *pipe,
 }
 
 
+/**
+ * Map whole resource.
+ * \param access  bitmask of PIPE_TRANSFER_x flags
+ * \param transfer  returns a transfer object
+ */
 static INLINE void *
 pipe_buffer_map(struct pipe_context *pipe,
                 struct pipe_resource *buffer,
-                unsigned usage,
+                unsigned access,
                 struct pipe_transfer **transfer)
 {
-   return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, usage, transfer);
+   return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, access, transfer);
 }
 
 
@@ -322,12 +341,12 @@ pipe_buffer_write(struct pipe_context *pipe,
                   const void *data)
 {
    struct pipe_box box;
-   unsigned usage = PIPE_TRANSFER_WRITE;
+   unsigned access = PIPE_TRANSFER_WRITE;
 
    if (offset == 0 && size == buf->width0) {
-      usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+      access |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
    } else {
-      usage |= PIPE_TRANSFER_DISCARD_RANGE;
+      access |= PIPE_TRANSFER_DISCARD_RANGE;
    }
 
    u_box_1d(offset, size, &box);
@@ -335,7 +354,7 @@ pipe_buffer_write(struct pipe_context *pipe,
    pipe->transfer_inline_write( pipe,
                                 buf,
                                 0,
-                                usage,
+                                access,
                                 &box,
                                 data,
                                 size,
@@ -368,12 +387,18 @@ pipe_buffer_write_nooverlap(struct pipe_context *pipe,
                                0, 0);
 }
 
+
+/**
+ * Create a new resource and immediately put data into it
+ * \param bind  bitmask of PIPE_BIND_x flags
+ * \param usage  bitmask of PIPE_USAGE_x flags
+ */
 static INLINE struct pipe_resource *
 pipe_buffer_create_with_data(struct pipe_context *pipe,
                              unsigned bind,
                              unsigned usage,
                              unsigned size,
-                             void *ptr)
+                             const void *ptr)
 {
    struct pipe_resource *res = pipe_buffer_create(pipe->screen,
                                                   bind, usage, size);
@@ -403,11 +428,16 @@ pipe_buffer_read(struct pipe_context *pipe,
    pipe_buffer_unmap(pipe, src_transfer);
 }
 
+
+/**
+ * Map a resource for reading/writing.
+ * \param access  bitmask of PIPE_TRANSFER_x flags
+ */
 static INLINE void *
 pipe_transfer_map(struct pipe_context *context,
                   struct pipe_resource *resource,
                   unsigned level, unsigned layer,
-                  enum pipe_transfer_usage usage,
+                  unsigned access,
                   unsigned x, unsigned y,
                   unsigned w, unsigned h,
                   struct pipe_transfer **transfer)
@@ -417,15 +447,20 @@ pipe_transfer_map(struct pipe_context *context,
    return context->transfer_map(context,
                                 resource,
                                 level,
-                                usage,
+                                access,
                                 &box, transfer);
 }
 
+
+/**
+ * Map a 3D (texture) resource for reading/writing.
+ * \param access  bitmask of PIPE_TRANSFER_x flags
+ */
 static INLINE void *
 pipe_transfer_map_3d(struct pipe_context *context,
                      struct pipe_resource *resource,
                      unsigned level,
-                     enum pipe_transfer_usage usage,
+                     unsigned access,
                      unsigned x, unsigned y, unsigned z,
                      unsigned w, unsigned h, unsigned d,
                      struct pipe_transfer **transfer)
@@ -435,7 +470,7 @@ pipe_transfer_map_3d(struct pipe_context *context,
    return context->transfer_map(context,
                                 resource,
                                 level,
-                                usage,
+                                access,
                                 &box, transfer);
 }
 
@@ -463,9 +498,13 @@ pipe_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 }
 
 
-static INLINE boolean util_get_offset( 
-   const struct pipe_rasterizer_state *templ,
-   unsigned fill_mode)
+/**
+ * Get the polygon offset enable/disable flag for the given polygon fill mode.
+ * \param fill_mode  one of PIPE_POLYGON_MODE_POINT/LINE/FILL
+ */
+static INLINE boolean
+util_get_offset(const struct pipe_rasterizer_state *templ,
+                unsigned fill_mode)
 {
    switch(fill_mode) {
    case PIPE_POLYGON_MODE_POINT: