1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 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.
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 struct st_texture_object *rtt; /**< GL render to texture's texture */
62 int rtt_level, rtt_face, rtt_slice;
63 };
64
65
66 static INLINE struct st_renderbuffer *
st_renderbuffer(struct gl_renderbuffer * rb)67 st_renderbuffer(struct gl_renderbuffer *rb)
68 {
69 return (struct st_renderbuffer *) rb;
70 }
71
72
73 extern struct gl_renderbuffer *
74 st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
75
76 extern void
77 st_init_fbo_functions(struct dd_function_table *functions);
78
79 extern GLboolean
80 st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth,
81 const struct gl_renderbuffer_attachment *stencil);
82
83
84 #endif /* ST_CB_FBO_H */
85