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--- xc/programs/Xserver/hw/xfree86/drivers/tdfx/tdfx_dri.c.tdfx-disable-dri-on-16Mb-cards-in-hires Mon May 21 17:43:55 2001
+++ xc/programs/Xserver/hw/xfree86/drivers/tdfx/tdfx_dri.c Sun Mar 10 20:50:46 2002
@@ -293,6 +293,22 @@
return FALSE;
}
+ /* Disable DRI if using a 16Mb card with virtual resolution higher than
+ * 1024x768 because DRI does not have enough memory available for textures
+ * at higher resolutions, and will not operate correctly.
+ */
+ xf86DrvMsg(pScreen->myNum, X_INFO, "[dri] VideoRAM = %d, VirtualXres = %d, VirtualYres= %d,\n",
+ pScrn->videoRam, pScrn->virtualX, pScrn->virtualY);
+
+ if ( (pTDFX->ChipType == PCI_CHIP_VOODOO3) || (pTDFX->ChipType == PCI_CHIP_BANSHEE) ) {
+ if (pScrn->videoRam <= 16384 && ((pScrn->virtualX * pScrn->virtualY) > (1024 * 768)) ) {
+ xf86DrvMsg(pScreen->myNum, X_WARNING,
+ "[dri] To use DRI, with a 16Mb Voodoo 3 or Banshee card, you must\n"
+ "\tinvoke the server using a maximum resolution of 1024x768 or lower.\n");
+ return FALSE;
+ }
+ }
+
/* Check that the GLX, DRI, and DRM modules have been loaded by testing
for canonical symbols in each module. */
if (!xf86LoaderCheckSymbol("GlxSetVisualConfigs")) return FALSE;
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