1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 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.
26 **************************************************************************/
32 #include "main/compiler.h"
33 #include "main/fbobject.h"
34 #include "main/glheader.h"
35 #include "main/mtypes.h"
37 #include "pipe/p_compiler.h"
38 #include "pipe/p_format.h"
40 struct dd_function_table
;
44 * Derived renderbuffer class. Just need to add a pointer to the
47 struct st_renderbuffer
49 struct gl_renderbuffer Base
;
50 struct pipe_resource
*texture
;
51 /* This points to either "surface_linear" or "surface_srgb".
52 * It doesn't hold the pipe_surface reference. The other two do.
54 struct pipe_surface
*surface
;
55 struct pipe_surface
*surface_linear
;
56 struct pipe_surface
*surface_srgb
;
57 GLboolean defined
; /**< defined contents? */
59 struct pipe_transfer
*transfer
; /**< only used when mapping the resource */
62 * Used only when hardware accumulation buffers are not supported.
67 bool use_readpix_cache
;
69 /* Inputs from Driver.RenderTexture, don't use directly. */
70 boolean is_rtt
; /**< whether Driver.RenderTexture was called */
71 unsigned rtt_face
, rtt_slice
;
72 boolean rtt_layered
; /**< whether glFramebufferTexture was called */
76 static inline struct st_renderbuffer
*
77 st_renderbuffer(struct gl_renderbuffer
*rb
)
79 return (struct st_renderbuffer
*) rb
;
84 * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer.
85 * Return NULL if the struct gl_framebuffer is a user-created framebuffer.
86 * We'll only return non-null for window system framebuffers.
87 * Note that this function may fail.
89 static inline struct st_framebuffer
*
90 st_ws_framebuffer(struct gl_framebuffer
*fb
)
92 /* FBO cannot be casted. See st_new_framebuffer */
93 if (fb
&& _mesa_is_winsys_fbo(fb
) &&
94 fb
!= _mesa_get_incomplete_framebuffer())
95 return (struct st_framebuffer
*) fb
;
100 extern struct gl_renderbuffer
*
101 st_new_renderbuffer_fb(enum pipe_format format
, int samples
, boolean sw
);
104 st_update_renderbuffer_surface(struct st_context
*st
,
105 struct st_renderbuffer
*strb
);
108 st_init_fbo_functions(struct dd_function_table
*functions
);
110 #endif /* ST_CB_FBO_H */