From: Chad Versace Date: Sun, 9 Oct 2011 03:00:50 +0000 (-0700) Subject: i965/gen6: Fix segfault in prepare_blend_state() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b48e02383e6bf8a4e1c05d11c6dce25cb796fcf4;p=mesa.git i965/gen6: Fix segfault in prepare_blend_state() Don't dereference the color buffer if one isn't attached. This fixes the following Piglit tests in my experimental HiZ branch: glean/logicOp glean/paths Note: This is a candidate for the stable branches. Reviewed-by: Eric Anholt Signed-off-by: Chad Versace --- diff --git a/src/mesa/drivers/dri/i965/gen6_cc.c b/src/mesa/drivers/dri/i965/gen6_cc.c index 1e6c4cfed32..b3ad157d032 100644 --- a/src/mesa/drivers/dri/i965/gen6_cc.c +++ b/src/mesa/drivers/dri/i965/gen6_cc.c @@ -64,7 +64,7 @@ prepare_blend_state(struct brw_context *brw) /* Floating point RTs should have no effect from LogicOp, * except for disabling of blending */ - if (_mesa_get_format_datatype(rb->Format) != GL_FLOAT) { + if (rb && _mesa_get_format_datatype(rb->Format) != GL_FLOAT) { blend[b].blend1.logic_op_enable = 1; blend[b].blend1.logic_op_func = intel_translate_logic_op(ctx->Color.LogicOp);