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_flush.h"
39 #include "st_cb_fbo.h"
40 #include "st_public.h"
41 #include "pipe/p_context.h"
42 #include "pipe/p_defines.h"
43 #include "pipe/p_winsys.h"
46 void st_flush( struct st_context
*st
)
48 GLframebuffer
*fb
= st
->ctx
->DrawBuffer
;
50 FLUSH_VERTICES(st
->ctx
, 0);
52 /* If there has been no rendering to the frontbuffer, consider
53 * short-circuiting this, or perhaps pass an "optional" flag down
54 * to the driver so that it can make the decision.
56 st
->pipe
->flush( st
->pipe
, 0 );
61 /* XXX: temporary hack. This flag should only be set if we do any
62 * rendering to the front buffer.
64 st
->flags
.frontbuffer_dirty
65 = (fb
->_ColorDrawBufferMask
[0] & BUFFER_BIT_FRONT_LEFT
);
67 if (st
->flags
.frontbuffer_dirty
) {
68 struct st_renderbuffer
*strb
69 = st_renderbuffer(fb
->Attachment
[BUFFER_FRONT_LEFT
].Renderbuffer
);
70 struct pipe_surface
*front_surf
= strb
->surface
;
72 /* Hook for copying "fake" frontbuffer if necessary:
74 st
->pipe
->winsys
->flush_frontbuffer( st
->pipe
->winsys
, front_surf
);
75 st
->flags
.frontbuffer_dirty
= 0;
81 * Called via ctx->Driver.Flush()
83 static void st_Flush(GLcontext
*ctx
)
90 * Called via ctx->Driver.Finish()
92 static void st_Finish(GLcontext
*ctx
)
94 struct st_context
*st
= ctx
->st
;
97 st
->pipe
->winsys
->wait_idle( st
->pipe
->winsys
);
101 void st_init_flush_functions(struct dd_function_table
*functions
)
103 functions
->Flush
= st_Flush
;
104 functions
->Finish
= st_Finish
;