diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_state_surface.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_state_surface.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_state_surface.c b/src/gallium/drivers/softpipe/sp_state_surface.c new file mode 100644 index 0000000..e2c6893 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_state_surface.c @@ -0,0 +1,109 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ +#include "p_inlines.h" + +#include "sp_context.h" +#include "sp_state.h" +#include "sp_surface.h" +#include "sp_tile_cache.h" + + +/** + * XXX this might get moved someday + * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer. + * Here, we flush the old surfaces and update the tile cache to point to the new + * surfaces. + */ +void +softpipe_set_framebuffer_state(struct pipe_context *pipe, + const struct pipe_framebuffer_state *fb) +{ + struct softpipe_context *sp = softpipe_context(pipe); + uint i; + + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { + /* check if changing cbuf */ + if (sp->framebuffer.cbufs[i] != fb->cbufs[i]) { + /* flush old */ + sp_flush_tile_cache(sp, sp->cbuf_cache[i]); + + /* assign new */ + sp->framebuffer.cbufs[i] = fb->cbufs[i]; + + /* update cache */ + sp_tile_cache_set_surface(sp->cbuf_cache[i], fb->cbufs[i]); + } + } + + sp->framebuffer.num_cbufs = fb->num_cbufs; + + /* zbuf changing? */ + if (sp->framebuffer.zsbuf != fb->zsbuf) { + /* flush old */ + sp_flush_tile_cache(sp, sp->zsbuf_cache); + + /* assign new */ + sp->framebuffer.zsbuf = fb->zsbuf; + + /* update cache */ + sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf); + } + +#if 0 + /* XXX combined depth/stencil here */ + + /* sbuf changing? */ + if (sp->framebuffer.sbuf != fb->sbuf) { + /* flush old */ + sp_flush_tile_cache(sp, sp->sbuf_cache_sep); + + /* assign new */ + sp->framebuffer.sbuf = fb->sbuf; + + /* update cache */ + if (fb->sbuf != fb->zbuf) { + /* separate stencil buf */ + sp->sbuf_cache = sp->sbuf_cache_sep; + sp_tile_cache_set_surface(sp->sbuf_cache, fb->sbuf); + } + else { + /* combined depth/stencil */ + sp->sbuf_cache = sp->zbuf_cache; + sp_tile_cache_set_surface(sp->sbuf_cache, fb->sbuf); + } + } +#endif + + sp->dirty |= SP_NEW_FRAMEBUFFER; +} + + + + |