Revert "radeon: Add DRI2 flush extension to so we synchronize properly."

This reverts commit 8446f257b3e3ca4a3eb2c79bc357e46343e04e87.

5 files changed, 0 insertions, 64 deletions

diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.c b/src/mesa/drivers/dri/radeon/radeon_common_context.c
index 3665944c3e..5a7d52c4d2 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.c
@@ -493,43 +493,6 @@ radeon_bits_per_pixel(const struct radeon_renderbuffer *rb)
    return _mesa_get_format_bytes(rb->base.Format) * 8; 
 }
 
-/*
- * Check if drawable has been invalidated by dri2InvalidateDrawable().
- * Update renderbuffers if so. This prevents a client from accessing
- * a backbuffer that has a swap pending but not yet completed.
- *
- * See intel_prepare_render for equivalent code in intel driver.
- *
- */
-void radeon_prepare_render(radeonContextPtr radeon)
-{
-    __DRIcontext *driContext = radeon->dri.context;
-    __DRIdrawable *drawable;
-    __DRIscreen *screen;
-
-    screen = driContext->driScreenPriv;
-    if (!screen->dri2.loader)
-        return;
-
-    drawable = driContext->driDrawablePriv;
-    if (drawable->dri2.stamp != driContext->dri2.draw_stamp) {
-	if (drawable->lastStamp != drawable->dri2.stamp)
-	    radeon_update_renderbuffers(driContext, drawable, GL_FALSE);
-
-	/* Intel driver does the equivalent of this, no clue if it is needed:
-	 * radeon_draw_buffer(radeon->glCtx, &(drawable->driverPrivate)->base);
-	 */
-	driContext->dri2.draw_stamp = drawable->dri2.stamp;
-    }
-
-    drawable = driContext->driReadablePriv;
-    if (drawable->dri2.stamp != driContext->dri2.read_stamp) {
-	if (drawable->lastStamp != drawable->dri2.stamp)
-	    radeon_update_renderbuffers(driContext, drawable, GL_FALSE);
-	driContext->dri2.read_stamp = drawable->dri2.stamp;
-    }
-}
-
 void
 radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 			    GLboolean front_only)
@@ -551,11 +514,6 @@ radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
 	screen = context->driScreenPriv;
 	radeon = (radeonContextPtr) context->driverPrivate;
 
-	/* Set this up front, so that in case our buffers get invalidated
-	 * while we're getting new buffers, we don't clobber the stamp and
-	 * thus ignore the invalidate. */
-	drawable->lastStamp = drawable->dri2.stamp;
-
 	if (screen->dri2.loader
 	   && (screen->dri2.loader->base.version > 2)
 	   && (screen->dri2.loader->getBuffersWithFormat != NULL)) {
diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.h b/src/mesa/drivers/dri/radeon/radeon_common_context.h
index ec773cfa52..5156c5d0d0 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.h
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.h
@@ -614,6 +614,5 @@ GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv,
 			    __DRIdrawable * driDrawPriv,
 			    __DRIdrawable * driReadPriv);
 extern void radeonDestroyContext(__DRIcontext * driContextPriv);
-void radeon_prepare_render(radeonContextPtr radeon);
 
 #endif
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
index d3d7b216ba..82107cc6ae 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.c
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
@@ -376,21 +376,6 @@ static const __DRItexBufferExtension r600TexBufferExtension = {
 };
 #endif
 
-static void
-radeonDRI2Flush(__DRIdrawable *drawable)
-{
-    radeonContextPtr rmesa;
-
-    rmesa = (radeonContextPtr) drawable->driContextPriv->driverPrivate;
-    radeonFlush(rmesa->glCtx);
-}
-
-static const struct __DRI2flushExtensionRec radeonFlushExtension = {
-    { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
-    radeonDRI2Flush,
-    dri2InvalidateDrawable,
-};
-
 static int radeon_set_screen_flags(radeonScreenPtr screen, int device_id)
 {
    screen->device_id = device_id;
@@ -1394,8 +1379,6 @@ radeonCreateScreen2(__DRIscreen *sPriv)
    screen->extensions[i++] = &r600TexBufferExtension.base;
 #endif
 
-   screen->extensions[i++] = &radeonFlushExtension.base;
-
    screen->extensions[i++] = NULL;
    sPriv->extensions = screen->extensions;
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_swtcl.c b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
index 67be466c3f..f2fcb46688 100644
--- a/src/mesa/drivers/dri/radeon/radeon_swtcl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
@@ -408,8 +408,6 @@ static GLboolean radeon_run_render( GLcontext *ctx,
        !radeon_dma_validate_render( ctx, VB ))
       return GL_TRUE;		
 
-   radeon_prepare_render(&rmesa->radeon);
-
    tnl->Driver.Render.Start( ctx );
 
    for (i = 0 ; i < VB->PrimitiveCount ; i++)
diff --git a/src/mesa/drivers/dri/radeon/radeon_tcl.c b/src/mesa/drivers/dri/radeon/radeon_tcl.c
index 5e1718f9df..ea796e1a45 100644
--- a/src/mesa/drivers/dri/radeon/radeon_tcl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_tcl.c
@@ -252,8 +252,6 @@ void radeonTclPrimitive( GLcontext *ctx,
    GLuint se_cntl;
    GLuint newprim = hw_prim | RADEON_CP_VC_CNTL_TCL_ENABLE;
 
-   radeon_prepare_render(&rmesa->radeon);
-
    if (newprim != rmesa->tcl.hw_primitive ||
        !discrete_prim[hw_prim&0xf]) {
       RADEON_NEWPRIM( rmesa );