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 "st_context.h"
37 #include "st_cb_flush.h"
38 #include "st_cb_fbo.h"
39 #include "st_public.h"
40 #include "pipe/p_context.h"
41 #include "pipe/p_defines.h"
42 #include "pipe/p_winsys.h"
45 void st_flush( struct st_context
*st
)
47 GLframebuffer
*fb
= st
->ctx
->DrawBuffer
;
49 /* If there has been no rendering to the frontbuffer, consider
50 * short-circuiting this, or perhaps pass an "optional" flag down
51 * to the driver so that it can make the decision.
53 st
->pipe
->flush( st
->pipe
, 0 );
56 /* XXX: temporary hack. This flag should only be set if we do any
57 * rendering to the front buffer.
59 st
->flags
.frontbuffer_dirty
60 = (fb
->_ColorDrawBufferMask
[0] & BUFFER_BIT_FRONT_LEFT
);
62 if (st
->flags
.frontbuffer_dirty
) {
63 struct st_renderbuffer
*strb
64 = st_renderbuffer(fb
->Attachment
[BUFFER_FRONT_LEFT
].Renderbuffer
);
65 struct pipe_surface
*front_surf
= strb
->surface
;
67 /* Hook for copying "fake" frontbuffer if necessary:
69 st
->pipe
->winsys
->flush_frontbuffer( st
->pipe
->winsys
, front_surf
);
70 st
->flags
.frontbuffer_dirty
= 0;
76 * Called via ctx->Driver.Flush()
78 static void st_Flush(GLcontext
*ctx
)
85 * Called via ctx->Driver.Finish()
87 static void st_Finish(GLcontext
*ctx
)
89 struct st_context
*st
= ctx
->st
;
92 st
->pipe
->winsys
->wait_idle( st
->pipe
->winsys
);
96 void st_init_flush_functions(struct dd_function_table
*functions
)
98 functions
->Flush
= st_Flush
;
99 functions
->Finish
= st_Finish
;