updated comments

1 files changed, 4 insertions, 14 deletions

diff --git a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
index 2a2a1a04306..189c7f3edad 100644
--- a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
+++ b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
@@ -59,22 +59,13 @@ map_register_file_index(
 

    switch( file ) {

    case TGSI_FILE_INPUT:

-      /*

-       * The fragment/vertex program input indexes (FRAG/VERT_ATTRIB_x) get

-       * mapped to a packed sequence of integers.

-       * If a program uses one input attribute, the mapped index will be 1.

-       * If a program uses two input attribs, the mapped indexes will be 1,2.

-       * If a program uses 3 input attribs, the mapped indexes will be 1,2,3.

-       * etc.

-       */

+      /* inputs are mapped according to the user-defined map */

       return inputMapping[index];

 

    case TGSI_FILE_OUTPUT:

-      /*

-      assert( usage_bitmask == 0x0 );

-      */

       if( processor == TGSI_PROCESSOR_FRAGMENT ) {

-         /* depth result  -> index 0

+         /* fragment program outputs are hard-coded:

+          * depth result  -> index 0

           * color results -> index 1, 2, ...

           */

 	 if( index == FRAG_RESULT_DEPR ) {

@@ -86,8 +77,7 @@ map_register_file_index(
          }

       }

       else {

-         /* vertex output slots are tightly packed, find mapped pos */

-         /* mapped_index = VERT_RESULT_x */

+         /* vertex outputs are mapped according to the user-defined map */

          mapped_index = outputMapping[index];

       }

       break;