diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_clear.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_clear.c | 73 |
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 0000000..8d295a3 --- /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 +} |