From 8d475822e6e19fa79719c856a2db5b6a205db1b9 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Sat, 28 Feb 2009 11:49:46 -0700
Subject: mesa: rename, reorder FRAG_RESULT_x tokens

s/FRAG_RESULT_DEPR/FRAG_RESULT_DEPTH/
s/FRAG_RESULT_COLR/FRAG_RESULT/COLOR/
Remove FRAG_RESULT_COLH (NV half-precision) output since we never used it.
Next, we might merge the COLOR and DATA outputs (COLOR0, COLOR1, etc).
---
 src/mesa/shader/nvfragparse.c | 40 +++++++++++++---------------------------
 1 file changed, 13 insertions(+), 27 deletions(-)

(limited to 'src/mesa/shader/nvfragparse.c')

diff --git a/src/mesa/shader/nvfragparse.c b/src/mesa/shader/nvfragparse.c
index 20e4781372..37418ffb6e 100644
--- a/src/mesa/shader/nvfragparse.c
+++ b/src/mesa/shader/nvfragparse.c
@@ -384,18 +384,12 @@ static const char *InputRegisters[MAX_NV_FRAGMENT_PROGRAM_INPUTS + 1] = {
    "TEX0", "TEX1", "TEX2", "TEX3", "TEX4", "TEX5", "TEX6", "TEX7", NULL
 };
 
+
 static const char *OutputRegisters[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS + 1] = {
-   "COLR", "COLH",
-   /* These are only allows for register combiners */
-   /*
-   "TEX0", "TEX1", "TEX2", "TEX3",
-   */
-   "DEPR", NULL
+   "DEPR", "COLR", "DATA0", NULL
 };
 
 
-
-
 /**********************************************************************/
 
 /**
@@ -828,7 +822,6 @@ static GLboolean
 Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
 {
    GLubyte token[100];
-   GLint j;
 
    /* Match "o[" */
    if (!Parse_String(parseState, "o["))
@@ -839,19 +832,19 @@ Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
       RETURN_ERROR;
 
    /* try to match an output register name */
-   for (j = 0; OutputRegisters[j]; j++) {
-      if (_mesa_strcmp((const char *) token, OutputRegisters[j]) == 0) {
-         static GLuint bothColors = (1 << FRAG_RESULT_COLR) | (1 << FRAG_RESULT_COLH);
-         *outputRegNum = j;
-         parseState->outputsWritten |= (1 << j);
-         if ((parseState->outputsWritten & bothColors) == bothColors) {
-            RETURN_ERROR1("Illegal to write to both o[COLR] and o[COLH]");
-         }
-         break;
-      }
+   if (_mesa_strcmp((char *) token, "COLR") == 0 ||
+       _mesa_strcmp((char *) token, "COLH") == 0) {
+      /* note that we don't distinguish between COLR and COLH */
+      *outputRegNum = FRAG_RESULT_COLOR;
+      parseState->outputsWritten |= (1 << FRAG_RESULT_COLOR);
    }
-   if (!OutputRegisters[j])
+   else if (_mesa_strcmp((char *) token, "DEPR") == 0) {
+      *outputRegNum = FRAG_RESULT_DEPTH;
+      parseState->outputsWritten |= (1 << FRAG_RESULT_DEPTH);
+   }
+   else {
       RETURN_ERROR1("Invalid output register name");
+   }
 
    /* Match ']' */
    if (!Parse_String(parseState, "]"))
@@ -1826,10 +1819,3 @@ _mesa_nv_fragment_input_register_name(GLuint i)
    return InputRegisters[i];
 }
 
-
-const char *
-_mesa_nv_fragment_output_register_name(GLuint i)
-{
-   ASSERT(i < MAX_NV_FRAGMENT_PROGRAM_OUTPUTS);
-   return OutputRegisters[i];
-}
-- 
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