[Mesa-dev] [PATCH] Enable is_front_buffer_rendering variable in case of GL_FRONT_AND_BACK

[Sun, Yi]

> glDrawBuffer(GL_FRONT_AND_BACK) results in to segmentation fault if

> intel->is_front_buffer_rendering is not enabled with GL_FRONT_AND_BACK.

> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44153

>

> Reported-by: Yi Sun <yi.sun at intel.com>

> Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>

> ---

>  src/mesa/drivers/dri/intel/intel_buffers.c |    2 +-

>  1 files changed, 1 insertions(+), 1 deletions(-)

>

> diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c

> b/src/mesa/drivers/dri/intel/intel_buffers.c

> index 4632751..9809f79 100644

> --- a/src/mesa/drivers/dri/intel/intel_buffers.c

> +++ b/src/mesa/drivers/dri/intel/intel_buffers.c

> @@ -88,7 +88,7 @@ intelDrawBuffer(struct gl_context * ctx, GLenum mode)

>    intel->is_front_buffer_rendering;

>

>        intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)

> -     || (mode == GL_FRONT);

> +    || (mode == GL_FRONT) || (mode == GL_FRONT_AND_BACK);

>

>        /* If we weren't front-buffer rendering before but we are now,

>         * invalidate our DRI drawable so we'll ask for new buffers

> --

> 1.7.7.4

This patch fixes the segmentation fault issue while calling function glDrawBuffer.

Tested-by: Sun Yi <yi.sun at intel.com>

Thanks
   --Yi,Sun

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