1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "main/glheader.h"
35 #include "main/macros.h"
36 #include "main/context.h"
37 #include "st_context.h"
38 #include "st_cb_bitmap.h"
39 #include "st_cb_flush.h"
40 #include "st_cb_fbo.h"
41 #include "st_public.h"
42 #include "pipe/p_context.h"
43 #include "pipe/p_defines.h"
44 #include "pipe/p_winsys.h"
47 static INLINE GLboolean
48 is_front_buffer_dirty(struct st_context
*st
)
50 return st
->frontbuffer_status
== FRONT_STATUS_DIRTY
;
55 * Tell the winsys to display the front color buffer on-screen.
58 display_front_buffer(struct st_context
*st
)
60 GLframebuffer
*fb
= st
->ctx
->DrawBuffer
;
61 struct st_renderbuffer
*strb
62 = st_renderbuffer(fb
->Attachment
[BUFFER_FRONT_LEFT
].Renderbuffer
);
63 struct pipe_surface
*front_surf
= strb
->surface
;
65 /* Hook for copying "fake" frontbuffer if necessary:
67 st
->pipe
->winsys
->flush_frontbuffer( st
->pipe
->winsys
, front_surf
,
71 st->frontbuffer_status = FRONT_STATUS_UNDEFINED;
76 void st_flush( struct st_context
*st
, uint pipeFlushFlags
,
77 struct pipe_fence_handle
**fence
)
79 FLUSH_VERTICES(st
->ctx
, 0);
81 st_flush_bitmap_cache(st
);
83 st
->pipe
->flush( st
->pipe
, pipeFlushFlags
, fence
);
88 * Flush, and wait for completion.
90 void st_finish( struct st_context
*st
)
92 struct pipe_fence_handle
*fence
= NULL
;
94 st_flush(st
, PIPE_FLUSH_RENDER_CACHE
| PIPE_FLUSH_FRAME
, &fence
);
96 st
->pipe
->winsys
->fence_finish(st
->pipe
->winsys
, fence
, 0);
97 st
->pipe
->winsys
->fence_reference(st
->pipe
->winsys
, &fence
, NULL
);
103 * Called via ctx->Driver.Flush()
105 static void st_glFlush(GLcontext
*ctx
)
107 struct st_context
*st
= ctx
->st
;
109 if (is_front_buffer_dirty(st
)) {
111 display_front_buffer(st
);
114 st_flush(st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
120 * Called via ctx->Driver.Finish()
122 static void st_glFinish(GLcontext
*ctx
)
124 struct st_context
*st
= ctx
->st
;
128 if (is_front_buffer_dirty(st
)) {
129 display_front_buffer(st
);
134 void st_init_flush_functions(struct dd_function_table
*functions
)
136 functions
->Flush
= st_glFlush
;
137 functions
->Finish
= st_glFinish
;