utils.h revision e82dd8c6e1fa2fff5b960de26961080ba5e9651d 
1/*
2 * (C) Copyright IBM Corporation 2002, 2004
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
19 * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 *    Ian Romanick <idr@us.ibm.com>
26 */
27/* $XFree86:$ */
28
29#ifndef DRI_DEBUG_H
30#define DRI_DEBUG_H
31
32#include "context.h"
33#include "dri_util.h"
34
35struct dri_debug_control {
36    const char * string;
37    unsigned     flag;
38};
39
40/**
41 * Description of the entry-points and parameters for an OpenGL function.
42 */
43struct dri_extension_function {
44    /**
45     * \brief
46     * Packed string describing the parameter signature and the entry-point
47     * names.
48     *
49     * The parameter signature and the names of the entry-points for this
50     * function are packed into a single string.  The substrings are
51     * separated by NUL characters.  The whole string is terminated by
52     * two consecutive NUL characters.
53     */
54    const char * strings;
55
56
57    /**
58     * Location in the remap table where the dispatch offset should be
59     * stored.
60     */
61    int remap_index;
62
63    /**
64     * Offset of the function in the dispatch table.
65     */
66    int offset;
67};
68
69/**
70 * Description of the API for an extension to OpenGL.
71 */
72struct dri_extension {
73    /**
74     * Name of the extension.
75     */
76    const char * name;
77
78
79    /**
80     * Pointer to a list of \c dri_extension_function structures.  The list
81     * is terminated by a structure with a \c NULL
82     * \c dri_extension_function::strings pointer.
83     */
84    const struct dri_extension_function * functions;
85};
86
87extern unsigned driParseDebugString( const char * debug,
88    const struct dri_debug_control * control );
89
90extern unsigned driGetRendererString( char * buffer,
91    const char * hardware_name, const char * driver_date, GLuint agp_mode );
92
93extern void driInitExtensions( GLcontext * ctx,
94    const struct dri_extension * card_extensions, GLboolean enable_imaging );
95
96extern void driInitSingleExtension( GLcontext * ctx,
97    const struct dri_extension * ext );
98
99extern GLboolean driCheckDriDdxDrmVersions2(const char * driver_name,
100    const __DRIversion * driActual, const __DRIversion * driExpected,
101    const __DRIversion * ddxActual, const __DRIversion * ddxExpected,
102    const __DRIversion * drmActual, const __DRIversion * drmExpected);
103
104extern GLboolean driCheckDriDdxDrmVersions3(const char * driver_name,
105    const __DRIversion * driActual, const __DRIversion * driExpected,
106    const __DRIversion * ddxActual, const __DRIutilversion2 * ddxExpected,
107    const __DRIversion * drmActual, const __DRIversion * drmExpected);
108
109extern GLint driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
110
111extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
112					   GLint *x, GLint *y,
113					   GLsizei *width, GLsizei *height );
114
115extern __DRIconfig **
116driCreateConfigs(GLenum fb_format, GLenum fb_type,
117		 const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
118		 unsigned num_depth_stencil_bits,
119		 const GLenum * db_modes, unsigned num_db_modes);
120
121const __DRIconfig **driConcatConfigs(__DRIconfig **a, __DRIconfig **b);
122
123#endif /* DRI_DEBUG_H */
124