Merge commit 'origin/master' into drm-gem

[mesa.git] / src / mesa / drivers / dri / r200 / r200_lock.c

diff --git a/src/mesa/drivers/dri/r200/r200_lock.c b/src/mesa/drivers/dri/r200/r200_lock.c
index 66bb075864f95411fb808ef42d464ebd3c3d7566..f89b526a31202f8362ffa00dd8adb0758e8ec6c1 100644 (file)
--- a/src/mesa/drivers/dri/r200/r200_lock.c
+++ b/src/mesa/drivers/dri/r200/r200_lock.c
@@ -1,4 +1,3 @@
-/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_lock.c,v 1.1 2002/10/30 12:51:52 alanh Exp $ */
 /*
 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
 
@@ -53,8 +52,10 @@ static void
 r200UpdatePageFlipping( r200ContextPtr rmesa )
 {
    rmesa->doPageFlip = rmesa->sarea->pfState;
-   driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
-                        rmesa->sarea->pfCurrentPage);
+   if (rmesa->glCtx->WinSysDrawBuffer) {
+      driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer,
+                           rmesa->sarea->pfCurrentPage);
+   }
 }
 
 
@@ -69,7 +70,8 @@ r200UpdatePageFlipping( r200ContextPtr rmesa )
  */
 void r200GetLock( r200ContextPtr rmesa, GLuint flags )
 {
-   __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
+   __DRIdrawablePrivate *drawable = rmesa->dri.drawable;
+   __DRIdrawablePrivate *readable = rmesa->dri.readable;
    __DRIscreenPrivate *sPriv = rmesa->dri.screen;
    drm_radeon_sarea_t *sarea = rmesa->sarea;
    int i;
@@ -84,17 +86,16 @@ void r200GetLock( r200ContextPtr rmesa, GLuint flags )
     * Since the hardware state depends on having the latest drawable
     * clip rects, all state checking must be done _after_ this call.
     */
-   DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
+   DRI_VALIDATE_DRAWABLE_INFO( sPriv, drawable );
+   if (drawable != readable) {
+      DRI_VALIDATE_DRAWABLE_INFO( sPriv, readable );
+   }
 
-   if ( rmesa->lastStamp != dPriv->lastStamp ) {
+   if ( rmesa->lastStamp != drawable->lastStamp ) {
       r200UpdatePageFlipping( rmesa );
-      if (rmesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT)
-         r200SetCliprects( rmesa, GL_BACK_LEFT );
-      else
-         r200SetCliprects( rmesa, GL_FRONT_LEFT );
+      r200SetCliprects( rmesa );
       r200UpdateViewportOffset( rmesa->glCtx );
-      driUpdateFramebufferSize(rmesa->glCtx, dPriv);
-      rmesa->lastStamp = dPriv->lastStamp;
+      driUpdateFramebufferSize(rmesa->glCtx, drawable);
    }
 
    R200_STATECHANGE( rmesa, ctx );