Mesa (master): i965: remove unused PROGRAM_INTERNAL_PARAM, added comment

[Brian Paul]

Module: Mesa
Branch: master
Commit: 2cf296186e2a2a635a461b2498d4afa7762656f5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2cf296186e2a2a635a461b2498d4afa7762656f5

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Mar 13 09:15:58 2009 -0600

i965: remove unused PROGRAM_INTERNAL_PARAM, added comment

---

 src/mesa/drivers/dri/i965/brw_wm.h |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index c0ffdb1..7f0e570 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -149,8 +149,6 @@ struct brw_wm_instruction {
 };
 
 
-#define PROGRAM_INTERNAL_PARAM 
-
 #define BRW_WM_MAX_INSN  (MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS*3 + FRAG_ATTRIB_MAX + 3)
 #define BRW_WM_MAX_GRF   128		/* hardware limit */
 #define BRW_WM_MAX_VREG  (BRW_WM_MAX_INSN * 4)
@@ -249,7 +247,7 @@ struct brw_wm_compile {
 
    struct brw_reg stack;
    struct brw_reg emit_mask_reg;
-   GLuint reg_index;
+   GLuint reg_index;  /**< Index of next free GRF register */
    GLuint tmp_regs[BRW_WM_MAX_GRF];
    GLuint tmp_index;
    GLuint tmp_max;