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
39struct dd_function_table;
40struct pipe_context;
41
42/**
43 * Derived renderbuffer class.  Just need to add a pointer to the
44 * pipe surface.
45 */
46struct 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
66static INLINE struct st_renderbuffer *
67st_renderbuffer(struct gl_renderbuffer *rb)
68{
69   return (struct st_renderbuffer *) rb;
70}
71
72
73extern struct gl_renderbuffer *
74st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
75
76extern void
77st_init_fbo_functions(struct dd_function_table *functions);
78
79extern GLboolean
80st_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