From: Maciej Cencora <m.cencora@gmail.com>
Date: Tue, 9 Mar 2010 22:13:19 +0000 (+0100)
Subject: r300: don't crash if there's no colorbuffer
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eeaf1e0519912b2ca3a8bce56c35548f9e0b73ca;p=mesa.git

r300: don't crash if there's no colorbuffer
---

diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index bdd12c6d220..87489412419 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -2245,8 +2245,13 @@ static void r300SetupUsOutputFormat(GLcontext *ctx)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	uint32_t hw_format;
+	struct radeon_renderbuffer *rrb = radeon_get_colorbuffer(&rmesa->radeon);
 
-	switch (radeon_get_colorbuffer(&rmesa->radeon)->base.Format)
+	if (!rrb) {
+		return;
+	}
+	
+	switch (rrb->base.Format)
 	{
 		case MESA_FORMAT_RGBA5551:
 		case MESA_FORMAT_RGBA8888: