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i915: Remember to call intel_prepare_render() before blitting

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Bring over the following fix from i965:
 commit fb3d62fe3d
 Author: Kenneth Graunke <kenneth@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.syrjala@linux.intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Cc: "11.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ville Syrjälä 2015-03-23 14:47:33 +02:00 • committed by Ian Romanick
parent c349031c27
commit a1a3f0961b
1 changed files with 5 additions and 0 deletions
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5
src/mesa/drivers/dri/i915/intel_fbo.c
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@ -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;