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/**********************************************************
* Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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.
*
**********************************************************/
#include "pipe/p_defines.h"
#include "util/u_debug_image.h"
#include "util/u_string.h"
#include "svga_screen.h"
#include "svga_surface.h"
#include "svga_context.h"
#include "svga_debug.h"
static void svga_flush( struct pipe_context *pipe,
struct pipe_fence_handle **fence,
unsigned flags)
{
struct svga_context *svga = svga_context(pipe);
/* Emit buffered drawing commands, and any back copies.
*/
svga_surfaces_flush( svga );
if (flags & PIPE_FLUSH_FENCE_FD)
svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
/* Flush command queue.
*/
svga_context_flush(svga, fence);
SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
__FUNCTION__, fence ? *fence : 0x0);
/* Enable to dump BMPs of the color/depth buffers each frame */
if (0) {
struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
static unsigned frame_no = 1;
char filename[256];
unsigned i;
for (i = 0; i < fb->nr_cbufs; i++) {
util_snprintf(filename, sizeof(filename), "cbuf%u_%04u.bmp", i, frame_no);
debug_dump_surface_bmp(&svga->pipe, filename, fb->cbufs[i]);
}
if (0 && fb->zsbuf) {
util_snprintf(filename, sizeof(filename), "zsbuf_%04u.bmp", frame_no);
debug_dump_surface_bmp(&svga->pipe, filename, fb->zsbuf);
}
++frame_no;
}
}
/**
* svga_create_fence_fd
*
* Wraps a SVGA fence around an imported file descriptor. This
* fd represents a fence from another process/device. The fence created
* here can then be fed into fence_server_sync() so SVGA can synchronize
* with an external process
*/
static void
svga_create_fence_fd(struct pipe_context *pipe,
struct pipe_fence_handle **fence,
int fd)
{
struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
sws->fence_create_fd(sws, fence, fd);
}
/**
* svga_fence_server_sync
*
* This function imports a fence from another process/device into the current
* software context so that SVGA can synchronize with it.
*/
static void
svga_fence_server_sync(struct pipe_context *pipe,
struct pipe_fence_handle *fence)
{
struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
struct svga_context *svga = svga_context(pipe);
sws->fence_server_sync(sws, &svga->swc->imported_fence_fd, fence);
}
void svga_init_flush_functions( struct svga_context *svga )
{
svga->pipe.flush = svga_flush;
svga->pipe.create_fence_fd = svga_create_fence_fd;
svga->pipe.fence_server_sync = svga_fence_server_sync;
}
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