[Mesa-dev] [PATCH 2/2] swrast: fix crash in AA line code when there's no texture
Brian Paul
brianp at vmware.com
Fri Jul 27 19:07:50 UTC 2018
Fixes a crash running the Piglit polygon-mode-facing test (and
probably others).
---
src/mesa/swrast/s_aalinetemp.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h
index bebb131..64767a3 100644
--- a/src/mesa/swrast/s_aalinetemp.h
+++ b/src/mesa/swrast/s_aalinetemp.h
@@ -179,10 +179,12 @@ NAME(line)(struct gl_context *ctx, const SWvertex *v0, const SWvertex *v1)
if (attr >= VARYING_SLOT_TEX0 && attr < VARYING_SLOT_VAR0) {
const GLuint u = attr - VARYING_SLOT_TEX0;
const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
- const struct gl_texture_image *texImage =
- _mesa_base_tex_image(obj);
- line.texWidth[attr] = (GLfloat) texImage->Width;
- line.texHeight[attr] = (GLfloat) texImage->Height;
+ if (obj) {
+ const struct gl_texture_image *texImage =
+ _mesa_base_tex_image(obj);
+ line.texWidth[attr] = (GLfloat) texImage->Width;
+ line.texHeight[attr] = (GLfloat) texImage->Height;
+ }
}
ATTRIB_LOOP_END
}
--
2.7.4
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