2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * George Sapountzis <gsap7@yahoo.gr>
31 #ifndef _SWRAST_PRIV_H
32 #define _SWRAST_PRIV_H
35 #include <GL/internal/dri_interface.h>
36 #include "main/mtypes.h"
46 #define TRACE printf("--> %s\n", __FUNCTION__)
52 #define TRACE_SPAN printf("--> %s\n", __FUNCTION__)
61 struct __DRIscreenRec
{
64 const __DRIextension
**extensions
;
66 const __DRIswrastLoaderExtension
*swrast_loader
;
69 struct __DRIcontextRec
{
74 __DRIscreen
*driScreenPriv
;
77 struct __DRIdrawableRec
{
82 __DRIscreen
*driScreenPriv
;
84 /* scratch row for optimized front-buffer rendering */
88 struct swrast_renderbuffer
{
89 struct gl_renderbuffer Base
;
91 /* renderbuffer pitch (in bytes) */
93 /* bits per pixel of storage */
97 static INLINE __DRIcontext
*
98 swrast_context(GLcontext
*ctx
)
100 return (__DRIcontext
*) ctx
;
103 static INLINE __DRIdrawable
*
104 swrast_drawable(GLframebuffer
*fb
)
106 return (__DRIdrawable
*) fb
;
109 static INLINE
struct swrast_renderbuffer
*
110 swrast_renderbuffer(struct gl_renderbuffer
*rb
)
112 return (struct swrast_renderbuffer
*) rb
;
117 * Pixel formats we support
119 #define PF_A8R8G8B8 1 /**< 32bpp TrueColor: 8-A, 8-R, 8-G, 8-B bits */
120 #define PF_R5G6B5 2 /**< 16bpp TrueColor: 5-R, 6-G, 5-B bits */
121 #define PF_R3G3B2 3 /**< 8bpp TrueColor: 3-R, 3-G, 2-B bits */
122 #define PF_X8R8G8B8 4 /**< 32bpp TrueColor: 8-R, 8-G, 8-B bits */
125 * Renderbuffer pitch alignment (in bits).
127 * The xorg loader requires padding images to 32 bits. However, this should
128 * become a screen/drawable parameter XXX
130 #define PITCH_ALIGN_BITS 32
136 swrast_set_span_funcs_back(struct swrast_renderbuffer
*xrb
,
137 GLuint pixel_format
);
140 swrast_set_span_funcs_front(struct swrast_renderbuffer
*xrb
,
141 GLuint pixel_format
);
143 #endif /* _SWRAST_PRIV_H_ */