[PATCH xserver 03/19] glamor: Clarify when Render fallbacks happen due to an unsupported op.

[Eric Anholt]

Signed-off-by: Eric Anholt <e...@anholt.net>
---
 glamor/glamor_render.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/glamor/glamor_render.c b/glamor/glamor_render.c
index 5712cf8..51718d1 100644
--- a/glamor/glamor_render.c
+++ b/glamor/glamor_render.c
@@ -1577,8 +1577,10 @@ glamor_composite(CARD8 op,
     if (!glamor_pixmap_has_fbo(dest_pixmap))
         goto fail;
 
-    if (op >= ARRAY_SIZE(composite_op_info))
+    if (op >= ARRAY_SIZE(composite_op_info)) {
+        glamor_fallback("Unsupported composite op %x\n", op);
         goto fail;
+    }
 
     if (mask && mask->componentAlpha && !glamor_priv->has_dual_blend) {
         if (op == PictOpAtop
-- 
2.6.4

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