+ via_release_pending_textures(vmesa);
+}
+
+
+void viaWaitIdleLocked( struct via_context *vmesa, GLboolean light )
+{
+ if (vmesa->dmaLow)
+ viaFlushDmaLocked(vmesa, 0);
+
+ if (VIA_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s lastDma %d lastBreadcrumbWrite %d\n",
+ __FUNCTION__, vmesa->lastDma, vmesa->lastBreadcrumbWrite);
+
+ /* Need to emit a new breadcrumb?
+ */
+ if (vmesa->lastDma == vmesa->lastBreadcrumbWrite) {
+ viaEmitBreadcrumbLocked( vmesa );
+ }
+
+ /* Need to wait?
+ */
+ if (vmesa->lastDma >= vmesa->lastBreadcrumbRead)
+ viaWaitBreadcrumb( vmesa, vmesa->lastDma );
+
+ if (light) return;
+
+ while(!viaCheckIdle(vmesa))
+ ;
+
+ via_release_pending_textures(vmesa);
+}
+
+
+
+/* Wait for command stream to be processed *and* the next vblank to
+ * occur. Equivalent to calling WAIT_IDLE() and then WaitVBlank,
+ * except that WAIT_IDLE() will spin the CPU polling, while this is
+ * IRQ driven.
+ */
+static void viaWaitIdleVBlank( __DRIdrawablePrivate *dPriv,
+ struct via_context *vmesa,
+ GLuint value )
+{
+ GLboolean missed_target;
+ __DRIscreenPrivate *psp = dPriv->driScreenPriv;
+
+ VIA_FLUSH_DMA(vmesa);
+
+ if (!value)
+ return;
+
+ do {
+ if (value < vmesa->lastBreadcrumbRead ||
+ vmesa->thrashing)
+ viaSwapOutWork(vmesa);
+
+ driWaitForVBlank( dPriv, & missed_target );
+ if ( missed_target ) {
+ vmesa->swap_missed_count++;
+ (*psp->systemTime->getUST)( &vmesa->swap_missed_ust );
+ }
+ }
+ while (!viaCheckBreadcrumb(vmesa, value));
+
+ vmesa->thrashing = 0; /* reset flag on swap */
+ vmesa->swap_count++;
+ via_release_pending_textures( vmesa );
+}
+
+
+
+static void viaDoPageFlipLocked(struct via_context *vmesa, GLuint offset)
+{
+ RING_VARS;
+
+ if (VIA_DEBUG & DEBUG_2D)
+ fprintf(stderr, "%s %x\n", __FUNCTION__, offset);
+
+ if (!vmesa->nDoneFirstFlip) {
+ vmesa->nDoneFirstFlip = GL_TRUE;
+ BEGIN_RING(4);
+ OUT_RING(HALCYON_HEADER2);
+ OUT_RING(0x00fe0000);
+ OUT_RING(0x0000000e);
+ OUT_RING(0x0000000e);
+ ADVANCE_RING();
+ }
+
+ BEGIN_RING(4);
+ OUT_RING( HALCYON_HEADER2 );
+ OUT_RING( 0x00fe0000 );
+ OUT_RING((HC_SubA_HFBBasL << 24) | (offset & 0xFFFFF8) | 0x2);
+ OUT_RING((HC_SubA_HFBDrawFirst << 24) |
+ ((offset & 0xFF000000) >> 24) | 0x0100);
+ ADVANCE_RING();
+
+ vmesa->pfCurrentOffset = vmesa->sarea->pfCurrentOffset = offset;
+
+ viaFlushDmaLocked(vmesa, VIA_NO_CLIPRECTS); /* often redundant */
+}
+
+void viaResetPageFlippingLocked(struct via_context *vmesa)
+{
+ if (VIA_DEBUG & DEBUG_2D)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ viaDoPageFlipLocked( vmesa, 0 );
+
+ if (vmesa->front.offset != 0) {
+ struct via_renderbuffer buffer_tmp;
+ memcpy(&buffer_tmp, &vmesa->back, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->back, &vmesa->front, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->front, &buffer_tmp, sizeof(struct via_renderbuffer));
+ }
+
+ assert(vmesa->front.offset == 0);
+ vmesa->doPageFlip = vmesa->allowPageFlip = 0;