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

   1 /*
   2  * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
   3  * All Rights Reserved.
   4  * Copyright 2010 George Sapountzis <gsapountzis@gmail.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  20  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * @file
  26  * Binding of the DRI interface (dri_interface.h) for DRISW.
  27  *
  28  * The DRISW structs are 'base classes' of the corresponding DRI1 / DRI2 (DRM)
  29  * structs. The bindings for SW and DRM can be unified by making the DRM structs
  30  * 'sub-classes' of the SW structs, either proper or with field re-ordering.
  31  *
  32  * The code can also be unified but that requires cluttering the common code
  33  * with ifdef's and guarding with (__DRIscreen::fd >= 0) for DRM.
  34  */
  35
  36 #ifndef _DRISW_UTIL_H
  37 #define _DRISW_UTIL_H
  38
  39 #include "main/mtypes.h"
  40
  41 #include <GL/gl.h>
  42 #include <GL/internal/glcore.h>
  43 #include <GL/internal/dri_interface.h>
  44 typedef struct _drmLock drmLock;
  45
  46
  47 /**
  48  * Extensions
  49  */
  50 extern const __DRIcoreExtension driCoreExtension;
  51 extern const __DRIswrastExtension driSWRastExtension;
  52
  53
  54 /**
  55  * Driver callback functions
  56  */
  57 struct __DriverAPIRec {
  58     const __DRIconfig **(*InitScreen) (__DRIscreen * priv);
  59
  60     void (*DestroyScreen)(__DRIscreen *driScrnPriv);
  61
  62     GLboolean (*CreateContext)(gl_api glapi,
  63                                const __GLcontextModes *glVis,
  64                                __DRIcontext *driContextPriv,
  65                                void *sharedContextPrivate);
  66
  67     void (*DestroyContext)(__DRIcontext *driContextPriv);
  68
  69     GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,
  70                               __DRIdrawable *driDrawPriv,
  71                               const __GLcontextModes *glVis,
  72                               GLboolean pixmapBuffer);
  73
  74     void (*DestroyBuffer)(__DRIdrawable *driDrawPriv);
  75
  76     void (*SwapBuffers)(__DRIdrawable *driDrawPriv);
  77
  78     GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv,
  79                              __DRIdrawable *driDrawPriv,
  80                              __DRIdrawable *driReadPriv);
  81
  82     GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);
  83 };
  84
  85 extern const struct __DriverAPIRec driDriverAPI;
  86
  87
  88 /**
  89  * Data types
  90  */
  91 struct __DRIscreenRec {
  92     int myNum;
  93
  94     int fd;
  95
  96     void *private;
  97
  98     const __DRIextension **extensions;
  99
 100     const __DRIswrastLoaderExtension *swrast_loader;
 101 };
 102
 103 struct __DRIcontextRec {
 104
 105     void *driverPrivate;
 106
 107     void *loaderPrivate;
 108
 109     __DRIdrawable *driDrawablePriv;
 110
 111     __DRIdrawable *driReadablePriv;
 112
 113     __DRIscreen *driScreenPriv;
 114 };
 115
 116 struct __DRIdrawableRec {
 117
 118     void *driverPrivate;
 119
 120     void *loaderPrivate;
 121
 122     __DRIcontext *driContextPriv;
 123
 124     __DRIscreen *driScreenPriv;
 125
 126     int refcount;
 127
 128     /* gallium */
 129     unsigned int lastStamp;
 130
 131     int w;
 132     int h;
 133 };
 134
 135 #endif /* _DRISW_UTIL_H */