1 files changed, 115 insertions, 0 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_tile.c b/src/mesa/pipe/cell/spu/spu_tile.c
new file mode 100644
index 0000000000..8fd9ab2905
--- /dev/null
+++ b/src/mesa/pipe/cell/spu/spu_tile.c
@@ -0,0 +1,115 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+
+
+#include "spu_tile.h"
+
+
+
+uint ctile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+ushort ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+
+ubyte tile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
+ubyte tile_status_z[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
+
+
+
+void
+get_tile(const struct framebuffer *fb, uint tx, uint ty, uint *tile,
+         int tag, int zBuf)
+{
+   const uint offset = ty * fb->width_tiles + tx;
+   const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? 2 : 4);
+   const ubyte *src = zBuf ? fb->depth_start : fb->color_start;
+
+   src += offset * bytesPerTile;
+
+   ASSERT(tx < fb->width_tiles);
+   ASSERT(ty < fb->height_tiles);
+   ASSERT_ALIGN16(tile);
+   /*
+   printf("get_tile:  dest: %p  src: 0x%x  size: %d\n",
+          tile, (unsigned int) src, bytesPerTile);
+   */
+   mfc_get(tile,  /* dest in local memory */
+           (unsigned int) src, /* src in main memory */
+           bytesPerTile,
+           tag,
+           0, /* tid */
+           0  /* rid */);
+}
+
+
+void
+put_tile(const struct framebuffer *fb, uint tx, uint ty, const uint *tile,
+         int tag, int zBuf)
+{
+   const uint offset = ty * fb->width_tiles + tx;
+   const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? 2 : 4);
+   ubyte *dst = zBuf ? fb->depth_start : fb->color_start;
+
+   dst += offset * bytesPerTile;
+
+   ASSERT(tx < fb->width_tiles);
+   ASSERT(ty < fb->height_tiles);
+   ASSERT_ALIGN16(tile);
+   /*
+   printf("put_tile:  src: %p  dst: 0x%x  size: %d\n",
+          tile, (unsigned int) dst, bytesPerTile);
+   */
+   mfc_put((void *) tile,  /* src in local memory */
+           (unsigned int) dst,  /* dst in main memory */
+           bytesPerTile,
+           tag,
+           0, /* tid */
+           0  /* rid */);
+}
+
+
+void
+clear_tile(uint tile[TILE_SIZE][TILE_SIZE], uint value)
+{
+   uint i, j;
+   for (i = 0; i < TILE_SIZE; i++) {
+      for (j = 0; j < TILE_SIZE; j++) {
+         tile[i][j] = value;
+      }
+   }
+}
+
+void
+clear_tile_z(ushort tile[TILE_SIZE][TILE_SIZE], uint value)
+{
+   uint i, j;
+   for (i = 0; i < TILE_SIZE; i++) {
+      for (j = 0; j < TILE_SIZE; j++) {
+         tile[i][j] = value;
+      }
+   }
+}
+