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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 390b3d6b7e..ca17e80c8d 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -377,9 +377,10 @@ static void brw_wm_populate_key( struct brw_context *brw,
} else if (t->DepthMode == GL_LUMINANCE) {
swizzles[3] = SWIZZLE_ONE;
} else if (t->DepthMode == GL_RED) {
+ /* See table 3.23 of the GL 3.0 spec. */
swizzles[1] = SWIZZLE_ZERO;
swizzles[2] = SWIZZLE_ZERO;
- swizzles[3] = SWIZZLE_ZERO;
+ swizzles[3] = SWIZZLE_ONE;
}
}