Cell driver state-setter functions, basic tile get/put, glClear.

The state setting code was mostly just copied from the softpipe driver.
The SPUs can now get/put framebuffer tiles from/to main memory and clear
them to a given color.  Lots of debug code in effect.
Tiled framebuffer is displayed in X window via the xmwinsys layer.
To enable Cell driver, export GALLIUM_CELL=1

1 files changed, 85 insertions, 4 deletions

diff --git a/src/mesa/pipe/cell/common.h b/src/mesa/pipe/cell/common.h
index c4bad4194a..da7de78803 100644
--- a/src/mesa/pipe/cell/common.h
+++ b/src/mesa/pipe/cell/common.h
@@ -1,13 +1,94 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * Types and tokens which are common to the SPU and PPU code.
+ */
+
 
 #ifndef CELL_COMMON_H
 #define CELL_COMMON_H
 
+#include "pipe/p_util.h"
+
+
+#define ALIGN16 __attribute__( (aligned( 16 )) )
+
+#define ASSERT_ALIGN16(ptr) \
+   assert((((unsigned long) (ptr)) & 0xf) == 0);
+
+
+
+#define TILE_SIZE 32
+
+
+#define CELL_CMD_EXIT         1
+#define CELL_CMD_FRAMEBUFFER  2
+#define CELL_CMD_CLEAR_TILES  3
+#define CELL_CMD_INVERT_TILES 4
+#define CELL_CMD_FINISH       5
+
 
-struct init_info
+/**
+ * Tell SPUs about the framebuffer size, location
+ */
+struct cell_command_framebuffer
 {
-   int foo;
-   int bar;
-};
+   void *start;
+   int width, height;
+   unsigned format;
+} ALIGN16;
+
+
+/**
+ * Clear framebuffer tiles to given value/color.
+ */
+struct cell_command_clear_tiles
+{
+   uint value;
+} ALIGN16;
+
+
+/** XXX unions don't seem to work */
+struct cell_command
+{
+   struct cell_command_framebuffer fb;
+   struct cell_command_clear_tiles clear;
+} ALIGN16;
+
+
+struct cell_init_info
+{
+   unsigned id;
+   unsigned num_spus;
+   struct cell_command *cmd;
+} ALIGN16;
+
+
 
 
 #endif /* CELL_COMMON_H */