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-rw-r--r--src/mesa/main/pixel.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index b94dbf0e1a3..b6fe7b2123a 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -1,8 +1,8 @@
-/* $Id: pixel.c,v 1.31 2001/09/18 16:16:21 kschultz Exp $ */
+/* $Id: pixel.c,v 1.32 2001/12/04 23:45:31 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.1
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
@@ -258,15 +258,7 @@ _mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values )
if (map>=GL_PIXEL_MAP_S_TO_S && map<=GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- GLuint p;
- GLboolean ok = GL_FALSE;
- for (p=1; p<=MAX_PIXEL_MAP_TABLE; p=p<<1) {
- if ( (p&mapsize) == p ) {
- ok = GL_TRUE;
- break;
- }
- }
- if (!ok) {
+ if (_mesa_bitcount((GLuint) mapsize) != 1) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
return;
}
@@ -353,15 +345,16 @@ _mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values )
void
_mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values )
{
+ const GLint n = MIN2(mapsize, MAX_PIXEL_MAP_TABLE);
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
GLint i;
if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) {
- for (i=0;i<mapsize;i++) {
+ for (i=0;i<n;i++) {
fvalues[i] = (GLfloat) values[i];
}
}
else {
- for (i=0;i<mapsize;i++) {
+ for (i=0;i<n;i++) {
fvalues[i] = UINT_TO_FLOAT( values[i] );
}
}
@@ -373,15 +366,16 @@ _mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values )
void
_mesa_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values )
{
+ const GLint n = MIN2(mapsize, MAX_PIXEL_MAP_TABLE);
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
GLint i;
if (map==GL_PIXEL_MAP_I_TO_I || map==GL_PIXEL_MAP_S_TO_S) {
- for (i=0;i<mapsize;i++) {
+ for (i=0;i<n;i++) {
fvalues[i] = (GLfloat) values[i];
}
}
else {
- for (i=0;i<mapsize;i++) {
+ for (i=0;i<n;i++) {
fvalues[i] = USHORT_TO_FLOAT( values[i] );
}
}