Add format 15. It turned out to be X,X,X,X,X8.
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index 01bfe1a..3567519 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -119,7 +119,7 @@
{R300_EASY_TX_FORMAT(Y, Y, Y, X, Y8X8), 0},
{0xffffff13, 0},
{0xffffff14, 0},
- {0xffffff15, 0},
+ {R300_EASY_TX_FORMAT(X, X, X, X, X8), 0},
{0xffffff16, 0},
{0xffffff17, 0},
};
@@ -139,7 +139,7 @@
{R300_EASY_TX_FORMAT(Y, Y, Y, X, Y8X8), 0},
{0xffffff13, 0},
{0xffffff14, 0},
- {0xffffff15, 0},
+ {R300_EASY_TX_FORMAT(X, X, X, X, X8), 0},
{0xffffff16, 0},
{0xffffff17, 0},
};