src/mesa/drivers/dri/glcore/glcore_driver.c

   1 /*
   2  * Copyright 2006 Red Hat, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 /*
  24  * This implements a software-only "DRI" driver.  It doesn't actually speak
  25  * any DRI protocol or talk to the DRM, it just looks enough like a DRI driver
  26  * that libglx in the server can load it for software rendering in the
  27  * unaccelerated case.
  28  */
  29
  30 static GLboolean
  31 glcoreInitDriver(__DRIscreenPrivate *driScreenPriv)
  32 {
  33 }
  34
  35 static void
  36 glcoreDestroyScreen(__DRIScreenPrivate *driScreenPriv)
  37 {
  38 }
  39
  40 static GLboolean
  41 glcoreCreateContext(const __GLcontextModes *glVisual,
  42                     __DRIcontextPrivate *driContextPriv,
  43                     void *shared_context)
  44 {
  45 }
  46
  47 static void
  48 glcoreDestroyContext(__DRIcontextPrivate *driContextPriv)
  49 {
  50 }
  51
  52 static GLboolean
  53 glcoreCreateBuffer(__DRIscreenPrivate *driScreenPriv,
  54                    __DRIdrawablePrivate *driDrawablePriv,
  55                    const __GLcontextModes *mesaVisual,
  56                    GLboolean isPixmap)
  57 {
  58 }
  59
  60 static void
  61 glcoreDestroyBuffer(__DRIdrawablePrivate *driDrawablePriv)
  62 {
  63 }
  64
  65 static void
  66 glcoreSwapBuffers(__DRIdrawablePrivate *driDrawablePriv)
  67 {
  68 }
  69
  70 static GLboolean
  71 glcoreMakeCurrent(__DRIcontextPrivate *driContextPriv,
  72                   __DRIdrawablePrivate *driDrawablePriv,
  73                   __DRIdrawablePrivate *driReadablePriv)
  74 {
  75 }
  76
  77 static GLboolean
  78 glcoreUnbindContext(__DRIcontextPrivate *driContextPriv)
  79 {
  80 }
  81
  82 static struct __DriverAPIRec glcore_api = {
  83     .InitDriver     = glcoreInitDriver,
  84     .DestroyScreen  = glcoreDestroyScreen,
  85     .CreateContext  = glcoreCreateContext,
  86     .DestroyContext = glcoreDestroyContext,
  87     .CreateBuffer   = glcoreCreateBuffer,
  88     .DestroyBuffer  = glcoreDestroyBuffer,
  89     .SwapBuffers    = glcoreSwapBuffers,
  90     .MakeCurrent    = glcoreMakeCurrent,
  91     .UnbindContext  = glcoreUnbindContext,
  92 };
  93
  94 static __GLcontextModes *
  95 glcoreFillInModes(unsigned pixel_bits)
  96 {
  97 }
  98
  99 PUBLIC void *
 100 __driCreateNewScreen_20050727(__DRInativeDisplay *dpy, int scrn,
 101                               __DRIscreen *psc, const __GLcontextModes *modes,
 102                               const __DRIversion *ddx_version,
 103                               const __DRIversion *dri_version,
 104                               const __DRIversion *drm_version,
 105                               const __DRIframebuffer *fb, drmAddress pSarea,
 106                               int fd, int internal_api_version,
 107                               const ___DRIinterfaceMethods *interface,
 108                               __GLcontextModes **driver_modes)
 109 {
 110     __DRIscreenPrivate *driScreenPriv;
 111     glcoreDriverPrivate *glcoreDriverPriv;
 112
 113     /* would normally check ddx/dri/drm versions here */
 114
 115     driScreenPriv = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, ddx_version,
 116                                              dri_version, drm_version, fb,
 117                                              internal_api_version, &glcore_api);
 118     if (!driScreenPriv)
 119         return NULL;
 120
 121     glcoreDriverPriv = driScreenPriv->pDrvPriv;
 122
 123     *driver_modes = glcoreFillInModes(glcoreDriverPriv->bpp);
 124
 125     driInitExtensions(NULL, NULL, GL_FALSE);
 126
 127     return driScreenPriv;
 128 }