src/mesa/drivers/dri/common/utils.h

   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
  28 #ifndef DRI_DEBUG_H
  29 #define DRI_DEBUG_H
  30
  31 #include "context.h"
  32 #include "dri_util.h"
  33
  34 struct dri_debug_control {
  35     const char * string;
  36     unsigned     flag;
  37 };
  38
  39 /**
  40  * Description of the entry-points and parameters for an OpenGL function.
  41  */
  42 struct dri_extension_function {
  43     /**
  44      * \brief
  45      * Packed string describing the parameter signature and the entry-point
  46      * names.
  47      *
  48      * The parameter signature and the names of the entry-points for this
  49      * function are packed into a single string.  The substrings are
  50      * separated by NUL characters.  The whole string is terminated by
  51      * two consecutive NUL characters.
  52      */
  53     const char * strings;
  54
  55
  56     /**
  57      * Location in the remap table where the dispatch offset should be
  58      * stored.
  59      */
  60     int remap_index;
  61
  62     /**
  63      * Offset of the function in the dispatch table.
  64      */
  65     int offset;
  66 };
  67
  68 /**
  69  * Description of the API for an extension to OpenGL.
  70  */
  71 struct dri_extension {
  72     /**
  73      * Name of the extension.
  74      */
  75     const char * name;
  76
  77
  78     /**
  79      * Pointer to a list of \c dri_extension_function structures.  The list
  80      * is terminated by a structure with a \c NULL
  81      * \c dri_extension_function::strings pointer.
  82      */
  83     const struct dri_extension_function * functions;
  84 };
  85
  86 extern unsigned driParseDebugString( const char * debug,
  87     const struct dri_debug_control * control );
  88
  89 extern unsigned driGetRendererString( char * buffer,
  90     const char * hardware_name, const char * driver_date, GLuint agp_mode );
  91
  92 extern void driInitExtensions( GLcontext * ctx,
  93     const struct dri_extension * card_extensions, GLboolean enable_imaging );
  94
  95 extern void driInitSingleExtension( GLcontext * ctx,
  96     const struct dri_extension * ext );
  97
  98 extern GLboolean driCheckDriDdxDrmVersions2(const char * driver_name,
  99     const __DRIversion * driActual, const __DRIversion * driExpected,
 100     const __DRIversion * ddxActual, const __DRIversion * ddxExpected,
 101     const __DRIversion * drmActual, const __DRIversion * drmExpected);
 102
 103 extern GLboolean driCheckDriDdxDrmVersions3(const char * driver_name,
 104     const __DRIversion * driActual, const __DRIversion * driExpected,
 105     const __DRIversion * ddxActual, const __DRIutilversion2 * ddxExpected,
 106     const __DRIversion * drmActual, const __DRIversion * drmExpected);
 107
 108 extern GLint driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
 109
 110 extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
 111                                            GLint *x, GLint *y,
 112                                            GLsizei *width, GLsizei *height );
 113
 114 extern GLboolean driFillInModes( __GLcontextModes ** modes,
 115     GLenum fb_format, GLenum fb_type,
 116     const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
 117     unsigned num_depth_stencil_bits,
 118     const GLenum * db_modes, unsigned num_db_modes, int visType );
 119
 120 #endif /* DRI_DEBUG_H */