Mesa (master): mesa: clarify comments for per-unit texture bitfields

[Brian Paul]

Module: Mesa
Branch: master
Commit: e30f7657639d53dc87fa35aa2ec02ed13c70f796
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e30f7657639d53dc87fa35aa2ec02ed13c70f796

Author: Brian Paul <brianp at vmware.com>
Date:   Sat Feb 28 18:36:48 2009 -0700

mesa: clarify comments for per-unit texture bitfields

---

 src/mesa/main/mtypes.h |   22 ++++++++++++++--------
 1 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 9ee3415..1e42de8 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1440,14 +1440,20 @@ struct gl_texture_attrib
    GLboolean SharedPalette;
    struct gl_color_table Palette;
 
-   /** Per-unit flags */
-   /*@{*/
-   GLbitfield _EnabledUnits;  /**< one bit set for each really-enabled unit */
-   GLbitfield _EnabledCoordUnits;   /**< one bit per enabled coordinate unit */
-   GLbitfield _GenFlags;            /**< for texgen */
-   GLbitfield _TexGenEnabled;  /**< Mask of ENABLE_TEXGEN flags */
-   GLbitfield _TexMatEnabled;  /**< Mask of ENABLE_TEXMAT flags */
-   /*@}*/
+   /** Texture units/samplers used by vertex or fragment texturing */
+   GLbitfield _EnabledUnits;
+
+   /** Texture coord units/sets used for fragment texturing */
+   GLbitfield _EnabledCoordUnits;
+
+   /** Texture coord units that have texgen enabled */
+   GLbitfield _TexGenEnabled;
+
+   /** Texture coord units that have non-identity matrices */
+   GLbitfield _TexMatEnabled;
+
+   /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
+   GLbitfield _GenFlags;
 };