st/xorg: fix text with component alpha rendering

[mesa.git] / src / gallium / state_trackers / xorg / xorg_exa_tgsi.h

diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h
index c290d44e8fc0c3a3c00bcb4f2f00f2489527fdee..0ea44fa137ec9e186a502f961ce8516ec61d43a1 100644 (file)
--- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h
+++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.h
@@ -24,7 +24,12 @@ enum xorg_fs_traits {
    FS_FILL             = (FS_SOLID_FILL |
                           FS_LINGRAD_FILL |
                           FS_RADGRAD_FILL),
-   FS_COMPONENT_ALPHA  = 1 << 5
+   /* src.rgba * mask.rgba */
+   FS_CA_FULL          = 1 << 5,
+   /* src.aaaa * mask.rgba */
+   FS_CA_SRCALPHA      = 1 << 6,
+   FS_COMPONENT_ALPHA  = (FS_CA_FULL |
+                          FS_CA_SRCALPHA)
 };
 
 struct xorg_shader {