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
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   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
70static inline struct st_renderbuffer *
71st_renderbuffer(struct gl_renderbuffer *rb)
72{
73   return (struct st_renderbuffer *) rb;
74}
75
76
77extern struct gl_renderbuffer *
78st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
79
80extern void
81st_update_renderbuffer_surface(struct st_context *st,
82                               struct st_renderbuffer *strb);
83
84extern void
85st_init_fbo_functions(struct dd_function_table *functions);
86
87#endif /* ST_CB_FBO_H */
88