diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_flush.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_flush.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_flush.c b/src/gallium/drivers/llvmpipe/lp_flush.c new file mode 100644 index 0000000000..b5c1c95bb7 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_flush.c @@ -0,0 +1,98 @@ +/************************************************************************** + * + * 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: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "pipe/p_defines.h" +#include "draw/draw_context.h" +#include "lp_flush.h" +#include "lp_context.h" +#include "lp_surface.h" +#include "lp_state.h" +#include "lp_tile_cache.h" +#include "lp_tex_cache.h" +#include "lp_winsys.h" + + +void +llvmpipe_flush( struct pipe_context *pipe, + unsigned flags, + struct pipe_fence_handle **fence ) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + uint i; + + draw_flush(llvmpipe->draw); + + if (flags & PIPE_FLUSH_SWAPBUFFERS) { + /* If this is a swapbuffers, just flush color buffers. + * + * The zbuffer changes are not discarded, but held in the cache + * in the hope that a later clear will wipe them out. + */ + for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) + if (llvmpipe->cbuf_cache[i]) + lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); + + /* Need this call for hardware buffers before swapbuffers. + * + * there should probably be another/different flush-type function + * that's called before swapbuffers because we don't always want + * to unmap surfaces when flushing. + */ + llvmpipe_unmap_transfers(llvmpipe); + } + else if (flags & PIPE_FLUSH_RENDER_CACHE) { + for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) + if (llvmpipe->cbuf_cache[i]) + lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); + + /* FIXME: untile zsbuf! */ + + llvmpipe->dirty_render_cache = FALSE; + } + + /* Enable to dump BMPs of the color/depth buffers each frame */ +#if 0 + if(flags & PIPE_FLUSH_FRAME) { + static unsigned frame_no = 1; + static char filename[256]; + util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no); + debug_dump_surface_bmp(filename, llvmpipe->framebuffer.cbufs[0]); + util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no); + debug_dump_surface_bmp(filename, llvmpipe->framebuffer.zsbuf); + ++frame_no; + } +#endif + + if (fence) + *fence = NULL; +} + |