mesa: Drop _EnabledUnits.

The field wasn't really valid, since we've got more than 32 units now.  It
turns out it was mostly just used for checking != 0, or checking for fixed
function coordinates, though.

v2: Fix mis-conversion in xm_line.c (caught by Ken).

Reviewed-by: Matt Turner <[email protected]> (v1)
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 12 insertions, 17 deletions

diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index 5fd80ca4d83..a735e69c2ee 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -359,16 +359,14 @@ _swrast_unmap_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 void
 _swrast_map_textures(struct gl_context *ctx)
 {
-   GLbitfield enabledUnits = ctx->Texture._EnabledUnits;
+   int unit;
 
-   /* loop over enabled texture units */
-   while (enabledUnits) {
-      GLuint unit = ffs(enabledUnits) - 1;
-      struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
-      
-      _swrast_map_texture(ctx, texObj);
+   for (unit = 0; unit <= ctx->Texture._MaxEnabledTexImageUnit; unit++) {
+      if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+         struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
 
-      enabledUnits &= ~(1 << unit);
+         _swrast_map_texture(ctx, texObj);
+      }
    }
 }
 
@@ -379,15 +377,12 @@ _swrast_map_textures(struct gl_context *ctx)
 void
 _swrast_unmap_textures(struct gl_context *ctx)
 {
-   GLbitfield enabledUnits = ctx->Texture._EnabledUnits;
-
-   /* loop over enabled texture units */
-   while (enabledUnits) {
-      GLuint unit = ffs(enabledUnits) - 1;
-      struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
-      
-      _swrast_unmap_texture(ctx, texObj);
+   int unit;
+   for (unit = 0; unit <= ctx->Texture._MaxEnabledTexImageUnit; unit++) {
+      if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+         struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
 
-      enabledUnits &= ~(1 << unit);
+         _swrast_unmap_texture(ctx, texObj);
+      }
    }
 }