Merge branch 'mesa_7_7_branch'

Conflicts:
	configs/darwin
	src/gallium/auxiliary/util/u_clear.h
	src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
	src/mesa/drivers/dri/i965/brw_draw_upload.c

1 files changed, 209 insertions, 0 deletions

diff --git a/src/gallium/winsys/xlib/xlib_brw_context.c b/src/gallium/winsys/xlib/xlib_brw_context.c
new file mode 100644
index 0000000000..fc9addd09e
--- /dev/null
+++ b/src/gallium/winsys/xlib/xlib_brw_context.c
@@ -0,0 +1,209 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell
+ *   Brian Paul
+ */
+
+
+/* #include "glxheader.h" */
+/* #include "xmesaP.h" */
+
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "i965simple/brw_winsys.h"
+#include "xlib_brw_aub.h"
+#include "xlib_brw.h"
+
+
+
+
+#define XBCWS_BATCHBUFFER_SIZE 1024
+
+
+/* The backend to the brw driver (ie struct brw_winsys) is actually a
+ * per-context entity.
+ */
+struct xlib_brw_context_winsys {
+   struct brw_winsys brw_context_winsys;   /**< batch buffer funcs */
+   struct aub_context *aub;
+                         
+   struct pipe_winsys *pipe_winsys;
+
+   unsigned batch_data[XBCWS_BATCHBUFFER_SIZE];
+   unsigned batch_nr;
+   unsigned batch_size;
+   unsigned batch_alloc;
+};
+
+
+/* Turn a brw_winsys into an xlib_brw_context_winsys:
+ */
+static inline struct xlib_brw_context_winsys *
+xlib_brw_context_winsys( struct brw_winsys *sws )
+{
+   return (struct xlib_brw_context_winsys *)sws;
+}
+
+
+/* Simple batchbuffer interface:
+ */
+
+static unsigned *xbcws_batch_start( struct brw_winsys *sws,
+					 unsigned dwords,
+					 unsigned relocs )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   if (xbcws->batch_size < xbcws->batch_nr + dwords)
+      return NULL;
+
+   xbcws->batch_alloc = xbcws->batch_nr + dwords;
+   return (void *)1;			/* not a valid pointer! */
+}
+
+static void xbcws_batch_dword( struct brw_winsys *sws,
+				    unsigned dword )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   assert(xbcws->batch_nr < xbcws->batch_alloc);
+   xbcws->batch_data[xbcws->batch_nr++] = dword;
+}
+
+static void xbcws_batch_reloc( struct brw_winsys *sws,
+			     struct pipe_buffer *buf,
+			     unsigned access_flags,
+			     unsigned delta )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   assert(xbcws->batch_nr < xbcws->batch_alloc);
+   xbcws->batch_data[xbcws->batch_nr++] = 
+      ( xlib_brw_get_buffer_offset( NULL, buf, access_flags ) +
+        delta );
+}
+
+static void xbcws_batch_end( struct brw_winsys *sws )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   assert(xbcws->batch_nr <= xbcws->batch_alloc);
+   xbcws->batch_alloc = 0;
+}
+
+static void xbcws_batch_flush( struct brw_winsys *sws,
+				    struct pipe_fence_handle **fence )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+   assert(xbcws->batch_nr <= xbcws->batch_size);
+
+   if (xbcws->batch_nr) {
+      xlib_brw_commands_aub( xbcws->pipe_winsys,
+                             xbcws->batch_data,
+                             xbcws->batch_nr );
+   }
+
+   xbcws->batch_nr = 0;
+}
+
+  
+
+/* Really a per-device function, just pass through:
+ */
+static unsigned xbcws_get_buffer_offset( struct brw_winsys *sws,
+                                         struct pipe_buffer *buf,
+                                         unsigned access_flags )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   return xlib_brw_get_buffer_offset( xbcws->pipe_winsys,
+                                      buf,
+                                      access_flags );
+}
+
+
+/* Really a per-device function, just pass through:
+ */
+static void xbcws_buffer_subdata_typed( struct brw_winsys *sws,
+                                       struct pipe_buffer *buf,
+                                       unsigned long offset, 
+                                       unsigned long size, 
+                                       const void *data,
+                                       unsigned data_type )
+{
+   struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+   xlib_brw_buffer_subdata_typed( xbcws->pipe_winsys,
+                                  buf,
+                                  offset,
+                                  size,
+                                  data,
+                                  data_type );
+}
+
+
+/**
+ * Create i965 hardware rendering context, but plugged into a
+ * dump-to-aubfile backend.
+ */
+struct pipe_context *
+xlib_create_brw_context( struct pipe_screen *screen,
+                         void *unused )
+{
+   struct xlib_brw_context_winsys *xbcws = CALLOC_STRUCT( xlib_brw_context_winsys );
+   
+   /* Fill in this struct with callbacks that i965simple will need to
+    * communicate with the window system, buffer manager, etc. 
+    */
+   xbcws->brw_context_winsys.batch_start = xbcws_batch_start;
+   xbcws->brw_context_winsys.batch_dword = xbcws_batch_dword;
+   xbcws->brw_context_winsys.batch_reloc = xbcws_batch_reloc;
+   xbcws->brw_context_winsys.batch_end = xbcws_batch_end;
+   xbcws->brw_context_winsys.batch_flush = xbcws_batch_flush;
+   xbcws->brw_context_winsys.buffer_subdata_typed = xbcws_buffer_subdata_typed;
+   xbcws->brw_context_winsys.get_buffer_offset = xbcws_get_buffer_offset;
+
+   xbcws->pipe_winsys = screen->winsys; /* redundant */
+
+   xbcws->batch_size = XBCWS_BATCHBUFFER_SIZE;
+
+   /* Create the i965simple context:
+    */
+#ifdef GALLIUM_CELL
+   return NULL;
+#else
+   return brw_create( screen,
+		      &xbcws->brw_context_winsys,
+		      0 );
+#endif
+}