Merge branch 'mesa_7_7_branch'

[mesa.git] / src / mesa / shader / nvfragparse.c

diff --git a/src/mesa/shader/nvfragparse.c b/src/mesa/shader/nvfragparse.c
index 56b7c29bea3f0d4a46669a92786e55c76f4733f8..b739a6aa07c951e57bd9838159149beb07aa2597 100644 (file)
--- a/src/mesa/shader/nvfragparse.c
+++ b/src/mesa/shader/nvfragparse.c
@@ -217,6 +217,12 @@ MatchInstruction(const GLubyte *token)
    const struct instruction_pattern *inst;
    struct instruction_pattern result;
 
+   result.name = NULL;
+   result.opcode = MAX_OPCODE; /* i.e. invalid instruction */
+   result.inputs = 0;
+   result.outputs = 0;
+   result.suffixes = 0;
+
    for (inst = Instructions; inst->name; inst++) {
       if (_mesa_strncmp((const char *) token, inst->name, 3) == 0) {
          /* matched! */
@@ -247,7 +253,7 @@ MatchInstruction(const GLubyte *token)
          return result;
       }
    }
-   result.opcode = MAX_OPCODE; /* i.e. invalid instruction */
+
    return result;
 }
 
@@ -957,6 +963,7 @@ Parse_VectorSrc(struct parse_state *parseState,
    GLfloat sign = 1.0F;
    GLubyte token[100];
    GLint idx;
+   GLuint negateBase, negateAbs;
 
    /*
     * First, take care of +/- and absolute value stuff.
@@ -968,21 +975,23 @@ Parse_VectorSrc(struct parse_state *parseState,
 
    if (Parse_String(parseState, "|")) {
       srcReg->Abs = GL_TRUE;
-      srcReg->NegateAbs = (sign < 0.0F) ? GL_TRUE : GL_FALSE;
+      negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
 
       if (Parse_String(parseState, "-"))
-         srcReg->NegateBase = NEGATE_XYZW;
+         negateBase = NEGATE_XYZW;
       else if (Parse_String(parseState, "+"))
-         srcReg->NegateBase = NEGATE_NONE;
+         negateBase = NEGATE_NONE;
       else
-         srcReg->NegateBase = NEGATE_NONE;
+         negateBase = NEGATE_NONE;
    }
    else {
       srcReg->Abs = GL_FALSE;
-      srcReg->NegateAbs = GL_FALSE;
-      srcReg->NegateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+      negateAbs = NEGATE_NONE;
+      negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
    }
 
+   srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
+
    /* This should be the real src vector/register name */
    if (!Peek_Token(parseState, token))
       RETURN_ERROR;
@@ -1083,6 +1092,7 @@ Parse_ScalarSrcReg(struct parse_state *parseState,
    GLfloat sign = 1.0F;
    GLboolean needSuffix = GL_TRUE;
    GLint idx;
+   GLuint negateBase, negateAbs;
 
    /*
     * First, take care of +/- and absolute value stuff.
@@ -1094,21 +1104,23 @@ Parse_ScalarSrcReg(struct parse_state *parseState,
 
    if (Parse_String(parseState, "|")) {
       srcReg->Abs = GL_TRUE;
-      srcReg->NegateAbs = (sign < 0.0F) ? GL_TRUE : GL_FALSE;
+      negateAbs = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
 
       if (Parse_String(parseState, "-"))
-         srcReg->NegateBase = NEGATE_XYZW;
+         negateBase = NEGATE_XYZW;
       else if (Parse_String(parseState, "+"))
-         srcReg->NegateBase = NEGATE_NONE;
+         negateBase = NEGATE_NONE;
       else
-         srcReg->NegateBase = NEGATE_NONE;
+         negateBase = NEGATE_NONE;
    }
    else {
       srcReg->Abs = GL_FALSE;
-      srcReg->NegateAbs = GL_FALSE;
-      srcReg->NegateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
+      negateAbs = NEGATE_NONE;
+      negateBase = (sign < 0.0F) ? NEGATE_XYZW : NEGATE_NONE;
    }
 
+   srcReg->Negate = srcReg->Abs ? negateAbs : negateBase;
+
    if (!Peek_Token(parseState, token))
       RETURN_ERROR;
 
@@ -1247,9 +1259,8 @@ Parse_PrintInstruction(struct parse_state *parseState,
    }
 
    inst->SrcReg[0].Swizzle = SWIZZLE_NOOP;
-   inst->SrcReg[0].NegateBase = NEGATE_NONE;
    inst->SrcReg[0].Abs = GL_FALSE;
-   inst->SrcReg[0].NegateAbs = GL_FALSE;
+   inst->SrcReg[0].Negate = NEGATE_NONE;
 
    return GL_TRUE;
 }