1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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 VMWARE 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.
25 *
26 **************************************************************************/
27
28
29 #ifndef ST_CB_FBO_H
30 #define ST_CB_FBO_H
31
32 #include "main/compiler.h"
33 #include "main/glheader.h"
34 #include "main/mtypes.h"
35
36 #include "pipe/p_compiler.h"
37 #include "pipe/p_format.h"
38
39 struct dd_function_table;
40 struct pipe_context;
41
42 /**
43 * Derived renderbuffer class. Just need to add a pointer to the
44 * pipe surface.
45 */
46 struct st_renderbuffer
47 {
48 struct gl_renderbuffer Base;
49 struct pipe_resource *texture;
50 struct pipe_surface *surface; /* temporary view into texture */
51 GLboolean defined; /**< defined contents? */
52
53 struct pipe_transfer *transfer; /**< only used when mapping the resource */
54
55 /**
56 * Used only when hardware accumulation buffers are not supported.
57 */
58 boolean software;
59 void *data;
60
61 bool use_readpix_cache;
62
63 /* Inputs from Driver.RenderTexture, don't use directly. */
64 boolean is_rtt; /**< whether Driver.RenderTexture was called */
65 unsigned rtt_face, rtt_slice;
66 boolean rtt_layered; /**< whether glFramebufferTexture was called */
67 };
68
69
70 static inline struct st_renderbuffer *
st_renderbuffer(struct gl_renderbuffer * rb)71 st_renderbuffer(struct gl_renderbuffer *rb)
72 {
73 return (struct st_renderbuffer *) rb;
74 }
75
76
77 extern struct gl_renderbuffer *
78 st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
79
80 extern void
81 st_update_renderbuffer_surface(struct st_context *st,
82 struct st_renderbuffer *strb);
83
84 extern void
85 st_init_fbo_functions(struct dd_function_table *functions);
86
87 #endif /* ST_CB_FBO_H */
88