1 files changed, 9 insertions, 12 deletions

diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c
index c20a76f29e..1d413d3473 100644
--- a/src/mesa/drivers/dri/mga/mgastate.c
+++ b/src/mesa/drivers/dri/mga/mgastate.c
@@ -778,8 +778,6 @@ void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
 {
    __DRIdrawablePrivate *const driDrawable = mmesa->driDrawable;
    __DRIdrawablePrivate *const driReadable = mmesa->driReadable;
-   drm_mga_sarea_t *sarea = mmesa->sarea;
-
 
    mmesa->dirty_cliprects = 0;	
 
@@ -790,9 +788,6 @@ void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
 
    mga_set_cliprects(mmesa);
 
-   sarea->req_drawable = driDrawable->draw;
-   sarea->req_draw_buffer = mmesa->draw_buffer;
-
    mgaUpdateClipping( mmesa->glCtx );
    mgaCalcViewport( mmesa->glCtx );
 }
@@ -804,20 +799,22 @@ static void mgaDDDrawBuffer(GLcontext *ctx, GLenum mode )
 
    FLUSH_BATCH( mmesa );
 
-   /*
-    * _DrawDestMask is easier to cope with than <mode>.
-    */
-   switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
-   case BUFFER_BIT_FRONT_LEFT:
+   if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) {
+      /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
+      FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
+      return;
+   }
+
+   switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) {
+   case BUFFER_FRONT_LEFT:
       mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
       mmesa->draw_buffer = MGA_FRONT;
       break;
-   case BUFFER_BIT_BACK_LEFT:
+   case BUFFER_BACK_LEFT:
       mmesa->setup.dstorg = mmesa->mgaScreen->backOffset;
       mmesa->draw_buffer = MGA_BACK;
       break;
    default:
-      /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
       FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
       return;
    }