added some comments

diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.c b/src/mesa/pipe/tgsi/exec/tgsi_exec.c
index 24ee98061d0403d2454196e3e101220af4aa48b7..d5a2639af1a25be9b6998fb8f0f9f790e82658fd 100644 (file)
--- a/src/mesa/pipe/tgsi/exec/tgsi_exec.c
+++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.c
@@ -65,6 +65,9 @@
 #define TILE_BOTTOM_LEFT  2
 #define TILE_BOTTOM_RIGHT 3
 
+/*
+ * Shorthand locations of various utility registers (_I = Index, _C = Channel)
+ */
 #define TEMP_0_I           TGSI_EXEC_TEMP_00000000_I
 #define TEMP_0_C           TGSI_EXEC_TEMP_00000000_C
 #define TEMP_7F_I          TGSI_EXEC_TEMP_7FFFFFFF_I

diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.h b/src/mesa/pipe/tgsi/exec/tgsi_exec.h
index 978c2d574e2024abb6b0bcde9165fe6aed3007ff..6c1d368342169aea28e498dcb31d325cde20d765 100644 (file)
--- a/src/mesa/pipe/tgsi/exec/tgsi_exec.h
+++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.h
@@ -53,6 +53,9 @@ struct tgsi_exec_labels
    unsigned count;
 };
 
+/*
+ * Locations of various utility registers (_I = Index, _C = Channel)
+ */
 #define TGSI_EXEC_TEMP_00000000_I   32
 #define TGSI_EXEC_TEMP_00000000_C   0