Add Egberts fixes for 64bit architectures

Add additional checks for the *DRIRec info structure passed in from the
device driver. This ensures that things fallback to indirect rendering if
the DDX driver has had modifications (i.e. removal of the drmAddress field).

2 files changed, 4 insertions, 1 deletions

diff --git a/src/mesa/drivers/dri/i830/i830_screen.c b/src/mesa/drivers/dri/i830/i830_screen.c
index 4d47f161818..25def0b6fec 100644
--- a/src/mesa/drivers/dri/i830/i830_screen.c
+++ b/src/mesa/drivers/dri/i830/i830_screen.c
@@ -146,6 +146,10 @@ static GLboolean i830InitDriver(__DRIscreenPrivate *sPriv)
      (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
    void * const psc = sPriv->psc->screenConfigs;
 
+   if (sPriv->devPrivSize != sizeof(I830DRIRec)) {
+      fprintf(stderr,"\nERROR!  sizeof(I830DRIRec) does not match passed size from device driver\n");
+      return GL_FALSE;
+   }
 
    /* Allocate the private area */
    i830Screen = (i830ScreenPrivate *)CALLOC(sizeof(i830ScreenPrivate));
diff --git a/src/mesa/drivers/dri/i830/server/i830_dri.h b/src/mesa/drivers/dri/i830/server/i830_dri.h
index 6477f4e79ff..e4b36cc16a2 100644
--- a/src/mesa/drivers/dri/i830/server/i830_dri.h
+++ b/src/mesa/drivers/dri/i830/server/i830_dri.h
@@ -18,7 +18,6 @@
 typedef struct _I830DRIRec {
    drm_handle_t regs;
    drmSize regsSize;
-   drmAddress regsMap;
 
    drmSize backbufferSize;
    drm_handle_t backbuffer;