1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #include "pipe/p_defines.h"
27 #include "util/u_debug_image.h"
28 #include "util/u_string.h"
29 #include "svga_screen.h"
30 #include "svga_surface.h"
31 #include "svga_context.h"
32 #include "svga_debug.h"
33
34
svga_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence,unsigned flags)35 static void svga_flush( struct pipe_context *pipe,
36 struct pipe_fence_handle **fence,
37 unsigned flags)
38 {
39 struct svga_context *svga = svga_context(pipe);
40
41 /* Emit buffered drawing commands, and any back copies.
42 */
43 svga_surfaces_flush( svga );
44
45 if (flags & PIPE_FLUSH_FENCE_FD)
46 svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
47
48 /* Flush command queue.
49 */
50 svga_context_flush(svga, fence);
51
52 SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
53 __FUNCTION__, fence ? *fence : 0x0);
54
55 /* Enable to dump BMPs of the color/depth buffers each frame */
56 if (0) {
57 struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
58 static unsigned frame_no = 1;
59 char filename[256];
60 unsigned i;
61
62 for (i = 0; i < fb->nr_cbufs; i++) {
63 snprintf(filename, sizeof(filename), "cbuf%u_%04u.bmp", i, frame_no);
64 debug_dump_surface_bmp(&svga->pipe, filename, fb->cbufs[i]);
65 }
66
67 if (0 && fb->zsbuf) {
68 snprintf(filename, sizeof(filename), "zsbuf_%04u.bmp", frame_no);
69 debug_dump_surface_bmp(&svga->pipe, filename, fb->zsbuf);
70 }
71
72 ++frame_no;
73 }
74 }
75
76
77 /**
78 * svga_create_fence_fd
79 *
80 * Wraps a SVGA fence around an imported file descriptor. This
81 * fd represents a fence from another process/device. The fence created
82 * here can then be fed into fence_server_sync() so SVGA can synchronize
83 * with an external process
84 */
85 static void
svga_create_fence_fd(struct pipe_context * pipe,struct pipe_fence_handle ** fence,int fd,enum pipe_fd_type type)86 svga_create_fence_fd(struct pipe_context *pipe,
87 struct pipe_fence_handle **fence,
88 int fd,
89 enum pipe_fd_type type)
90 {
91 struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
92
93 assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
94 sws->fence_create_fd(sws, fence, fd);
95 }
96
97
98 /**
99 * svga_fence_server_sync
100 *
101 * This function imports a fence from another process/device into the current
102 * software context so that SVGA can synchronize with it.
103 */
104 static void
svga_fence_server_sync(struct pipe_context * pipe,struct pipe_fence_handle * fence)105 svga_fence_server_sync(struct pipe_context *pipe,
106 struct pipe_fence_handle *fence)
107 {
108 struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
109 struct svga_context *svga = svga_context(pipe);
110
111 sws->fence_server_sync(sws, &svga->swc->imported_fence_fd, fence);
112 }
113
114
svga_init_flush_functions(struct svga_context * svga)115 void svga_init_flush_functions( struct svga_context *svga )
116 {
117 svga->pipe.flush = svga_flush;
118 svga->pipe.create_fence_fd = svga_create_fence_fd;
119 svga->pipe.fence_server_sync = svga_fence_server_sync;
120 }
121