From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Bring over the following fix from i965:
commit fb3d62fe3d4fc40ba4ad9804d8b6f451316c9ae2
Author: Kenneth Graunke <kenn...@whitecape.org>
Date: Tue Aug 6 14:36:09 2013 -0700
i965: Remember to call intel_prepare_render() before blitting.
Fixes a crash in the following piglit tests:
bin/fbo-sys-blit -auto
bin/fbo-sys-sub-blit -auto
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
src/mesa/drivers/dri/i915/intel_fbo.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/mesa/drivers/dri/i915/intel_fbo.c
b/src/mesa/drivers/dri/i915/intel_fbo.c
index 8ce1dbf..45c8fb6 100644
--- a/src/mesa/drivers/dri/i915/intel_fbo.c
+++ b/src/mesa/drivers/dri/i915/intel_fbo.c
@@ -658,6 +658,11 @@ intel_blit_framebuffer_with_blitter(struct gl_context *ctx,
{
struct intel_context *intel = intel_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(intel);
+
if (mask & GL_COLOR_BUFFER_BIT) {
GLint i;
struct gl_renderbuffer *src_rb = readFb->_ColorReadBuffer;
--
2.0.5
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