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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_flush.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_flush.c98
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;
+}
+