From da84f0b642a65614c2618121869d5cd45ad986f5 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 1 Sep 2005 20:10:17 +0000
Subject: fix page flipping breakage

---
 src/mesa/drivers/dri/radeon/radeon_lock.c | 44 ++++++-------------------------
 1 file changed, 8 insertions(+), 36 deletions(-)

(limited to 'src/mesa/drivers/dri/radeon/radeon_lock.c')

diff --git a/src/mesa/drivers/dri/radeon/radeon_lock.c b/src/mesa/drivers/dri/radeon/radeon_lock.c
index 2fc5bc7aef..c342b11508 100644
--- a/src/mesa/drivers/dri/radeon/radeon_lock.c
+++ b/src/mesa/drivers/dri/radeon/radeon_lock.c
@@ -40,8 +40,10 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "radeon_tex.h"
 #include "radeon_state.h"
 #include "radeon_ioctl.h"
+
 #include "drirenderbuffer.h"
 
+
 #if DEBUG_LOCKING
 char *prevLockFile = NULL;
 int prevLockLine = 0;
@@ -52,40 +54,9 @@ int prevLockLine = 0;
 static void
 radeonUpdatePageFlipping( radeonContextPtr rmesa )
 {
-   if (rmesa->doPageFlip != rmesa->sarea->pfState
-       || rmesa->sarea->pfState) {
-      /* If page flipping is on, re we're turning it on/off now we need
-       * to update the flipped buffer info.
-       */
-     struct gl_framebuffer *fb = rmesa->glCtx->WinSysDrawBuffer;
-     driRenderbuffer *front_drb
-        = (driRenderbuffer *) fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
-     driRenderbuffer *back_drb
-        = (driRenderbuffer *) fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
-
-     if (rmesa->sarea->pfState && rmesa->sarea->pfCurrentPage == 1) {
-        /* flipped buffers */
-        front_drb->flippedOffset = back_drb->offset;
-        front_drb->flippedPitch  = back_drb->pitch;
-        back_drb->flippedOffset  = front_drb->offset;
-        back_drb->flippedPitch   = front_drb->pitch;
-     }
-     else {
-        /* unflipped buffers */
-        front_drb->flippedOffset = front_drb->offset;
-        front_drb->flippedPitch  = front_drb->pitch;
-        if (back_drb) {
-           /* back buffer is non-existant when single buffered */
-           back_drb->flippedOffset  = back_drb->offset;
-           back_drb->flippedPitch   = back_drb->pitch;
-        }
-     }
-
-     /* update local state */
-     rmesa->doPageFlip = rmesa->sarea->pfState;
-
-     /* set hw.ctx.cmd state here */
-     radeonUpdateDrawBuffer(rmesa->glCtx);
+   rmesa->doPageFlip = rmesa->sarea->pfState;
+   if (!rmesa->doPageFlip) {
+      driFlipRenderbuffers(rmesa->glCtx->WinSysDrawBuffer, GL_FALSE);
    }
 }
 
@@ -117,7 +88,6 @@ void radeonGetLock( radeonContextPtr rmesa, GLuint flags )
     */
    DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv );
 
-
    if ( rmesa->lastStamp != dPriv->lastStamp ) {
       radeonUpdatePageFlipping( rmesa );
       if (rmesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT)
@@ -132,7 +102,9 @@ void radeonGetLock( radeonContextPtr rmesa, GLuint flags )
    if (rmesa->sarea->tiling_enabled) {
       rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= RADEON_COLOR_TILE_ENABLE;
    }
-   else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~RADEON_COLOR_TILE_ENABLE;
+   else {
+      rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~RADEON_COLOR_TILE_ENABLE;
+   }
 
    if ( sarea->ctx_owner != rmesa->dri.hwContext ) {
       int i;
-- 
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