Fixed output to POSITION0.

We have a separate loop to find the POSITION0 input register, so it always becomes vertex array #0...but an incorrect test was causing it to ignore output registers for POSITION0. --HG-- branch : trunk
icculus · Jul 2, 2008 · 8d0fe05 · 8d0fe05
1 parent 8e875f5
commit 8d0fe05
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/mojoshader.c b/mojoshader.c
@@ -7335,10 +7335,11 @@ static void process_definitions(Context *ctx)
                                       (TextureType) item->index);
     } // for
 
-    // ...and attributes... (find POSITION0 here, so it's always first).
+    // ...and attributes... (find input POSITION0 here, so it's always first).
     for (item = ctx->attributes.next; item != NULL; item = item->next)
     {
-        if ((item->usage == MOJOSHADER_USAGE_POSITION) && (item->index == 0))
+        if ( (item->regtype == REG_TYPE_INPUT) &&
+             (item->usage == MOJOSHADER_USAGE_POSITION) && (item->index == 0) )
         {
             ctx->attribute_count++;
             ctx->profile->attribute_emitter(ctx, item->regtype, item->regnum,
@@ -7348,10 +7349,11 @@ static void process_definitions(Context *ctx)
         } // if
     } // for
 
-    // ...and attributes... (everything but POSITION0).
+    // ...and attributes... (everything but input POSITION0).
     for (item = ctx->attributes.next; item != NULL; item = item->next)
     {
-        if ((item->usage != MOJOSHADER_USAGE_POSITION) || (item->index != 0))
+        if ( (item->regtype != REG_TYPE_INPUT) ||
+             (item->usage != MOJOSHADER_USAGE_POSITION) || (item->index != 0) )
         {
             ctx->attribute_count++;
             ctx->profile->attribute_emitter(ctx, item->regtype, item->regnum,