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 /* $XFree86:$ */
  28
  29 #ifndef DRI_DEBUG_H
  30 #define DRI_DEBUG_H
  31
  32 #include "context.h"
  33 #include "dri_util.h"
  34
  35 struct 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  */
  43 struct 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  */
  72 struct 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
  87 extern unsigned driParseDebugString( const char * debug,
  88     const struct dri_debug_control * control );
  89
  90 extern unsigned driGetRendererString( char * buffer,
  91     const char * hardware_name, const char * driver_date, GLuint agp_mode );
  92
  93 extern void driInitExtensions( GLcontext * ctx,
  94     const struct dri_extension * card_extensions, GLboolean enable_imaging );
  95
  96 extern void driInitSingleExtension( GLcontext * ctx,
  97     const struct dri_extension * ext );
  98
  99 extern 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
 104 extern 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
 109 extern GLint driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
 110
 111 extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
 112                                            GLint *x, GLint *y,
 113                                            GLsizei *width, GLsizei *height );
 114
 115 extern GLboolean driFillInModes( __GLcontextModes ** modes,
 116     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, int visType );
 120
 121 #endif /* DRI_DEBUG_H */