1 files changed, 73 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c
new file mode 100644
index 0000000000..8d295a30ca
--- /dev/null
+++ b/src/gallium/drivers/softpipe/sp_clear.c
@@ -0,0 +1,73 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Brian Paul
+ */
+
+
+#include "pipe/p_defines.h"
+#include "sp_clear.h"
+#include "sp_context.h"
+#include "sp_surface.h"
+#include "sp_state.h"
+#include "sp_tile_cache.h"
+
+
+/**
+ * Clear the given surface to the specified value.
+ * No masking, no scissor (clear entire buffer).
+ */
+void
+softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
+               unsigned clearValue)
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   uint i;
+
+#if 0
+   softpipe_update_derived(softpipe); /* not needed?? */
+#endif
+
+   if (ps == sp_tile_cache_get_surface(softpipe->zsbuf_cache)) {
+      sp_tile_cache_clear(softpipe->zsbuf_cache, clearValue);
+#if TILE_CLEAR_OPTIMIZATION
+      return;
+#endif
+   }
+
+   for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) {
+      if (ps == sp_tile_cache_get_surface(softpipe->cbuf_cache[i])) {
+         sp_tile_cache_clear(softpipe->cbuf_cache[i], clearValue);
+      }
+   }
+
+#if !TILE_CLEAR_OPTIMIZATION
+   /* non-cached surface */
+   pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, clearValue);
+#endif
+}