intel: Add a batch flush between front-buffer downsample and X protocol.

[mesa.git] / src / mesa / drivers / dri / i965 / intel_fbo.c

diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c b/src/mesa/drivers/dri/i965/intel_fbo.c
index fb0bb71b02851171440cd3a38a7882ddca3223b6..1692325903b0600f62019fa08751015ce74a75b7 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_fbo.c
+++ b/src/mesa/drivers/dri/i965/intel_fbo.c
@@ -695,6 +695,11 @@ intel_blit_framebuffer_with_blitter(struct gl_context *ctx,
 {
    struct brw_context *brw = brw_context(ctx);
 
+   /* Sync up the state of window system buffers.  We need to do this before
+    * we go looking for the buffers.
+    */
+   intel_prepare_render(brw);
+
    if (mask & GL_COLOR_BUFFER_BIT) {
       GLint i;
       const struct gl_framebuffer *drawFb = ctx->DrawBuffer;