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do full swizzled matching in _mesa_lookup_parameter_constant()

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This commit is contained in:
Brian 2007-02-08 20:39:42 -07:00
parent bd9615bbc5
commit 5e6908944b
1 changed files with 16 additions and 5 deletions
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21
src/mesa/shader/prog_parameter.c
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@ -493,17 +493,28 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
}
}
}
else if (list->Parameters[i].Size >= vSize) {
/* see if we can match this constant */
GLuint match = 0, j;
else if (vSize <= list->Parameters[i].Size) {
/* see if we can match this constant (with a swizzle) */
GLuint swz[4];
GLuint match = 0, j, k;
for (j = 0; j < vSize; j++) {
if (list->ParameterValues[i][j] == v[j]) {
if (v[j] == list->ParameterValues[i][j]) {
swz[j] = j;
match++;
}
else {
for (k = 0; k < list->Parameters[i].Size; k++) {
if (v[j] == list->ParameterValues[i][k]) {
swz[j] = k;
match++;
break;
}
}
}
}
if (match == vSize) {
*posOut = i;
*swizzleOut = SWIZZLE_NOOP;
*swizzleOut = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
return GL_TRUE;
}
}