public static int gluBuild1DMipmaps(
GL gl, int target, int internalFormat, int width, int format, int type, ByteBuffer data) {
int dataPos = data.position();
try {
int[] widthPowerOf2 = new int[1];
int levels;
int[] dummy = new int[1];
int rc = checkMipmapArgs(internalFormat, format, type);
if (rc != 0) {
return (rc);
}
if (width < 1) {
return (GLU.GLU_INVALID_VALUE);
}
closestFit(gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy);
levels = computeLog(widthPowerOf2[0]);
return (BuildMipmap.gluBuild1DMipmapLevelsCore(
gl, target, internalFormat, width, widthPowerOf2[0], format, type, 0, 0, levels, data));
} finally {
data.position(dataPos);
}
}
public static int gluBuild1DMipmapLevels(
GL gl,
int target,
int internalFormat,
int width,
int format,
int type,
int userLevel,
int baseLevel,
int maxLevel,
ByteBuffer data) {
int dataPos = data.position();
try {
int levels;
int rc = checkMipmapArgs(internalFormat, format, type);
if (rc != 0) {
return (rc);
}
if (width < 1) {
return (GLU.GLU_INVALID_VALUE);
}
levels = computeLog(width);
levels += userLevel;
if (!isLegalLevels(userLevel, baseLevel, maxLevel, levels)) {
return (GLU.GLU_INVALID_VALUE);
}
return (BuildMipmap.gluBuild1DMipmapLevelsCore(
gl,
target,
internalFormat,
width,
width,
format,
type,
userLevel,
baseLevel,
maxLevel,
data));
} finally {
data.position(dataPos);
}
}
