/**
* Entry point to C language function: <code>
* GLint {@native gluBuild1DMipmapLevels}(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data)
* </code> <br>
* Part of <code>GLU_VERSION_1_X</code><br>
*
* @param data a direct or array-backed {@link java.nio.Buffer}
*/
private int gluBuild1DMipmapLevelsC(
int target,
int internalFormat,
int width,
int format,
int type,
int level,
int base,
int max,
Buffer data) {
final boolean data_is_direct = Buffers.isDirect(data);
final long __addr_ = getGLUProcAddressTable()._addressof_gluBuild1DMipmapLevels;
if (__addr_ == 0) {
throw new GLException(String.format("Method \"%s\" not available", "gluBuild1DMipmapLevels"));
}
return dispatch_gluBuild1DMipmapLevelsC1(
target,
internalFormat,
width,
format,
type,
level,
base,
max,
data_is_direct ? data : Buffers.getArray(data),
data_is_direct
? Buffers.getDirectBufferByteOffset(data)
: Buffers.getIndirectBufferByteOffset(data),
data_is_direct,
__addr_);
}
private final int gluScaleImageJava(
int format,
int widthin,
int heightin,
int typein,
Buffer datain,
int widthout,
int heightout,
int typeout,
Buffer dataout) {
ByteBuffer in = null;
ByteBuffer out = null;
in = copyToByteBuffer(datain);
if (dataout instanceof ByteBuffer) {
out = (ByteBuffer) dataout;
} else if (dataout instanceof ShortBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_SHORT);
} else if (dataout instanceof IntBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_INT);
} else if (dataout instanceof FloatBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_FLOAT);
} else {
throw new IllegalArgumentException(
"Unsupported destination buffer type (must be byte, short, int, or float)");
}
int errno =
Mipmap.gluScaleImage(
getCurrentGL2(),
format,
widthin,
heightin,
typein,
in,
widthout,
heightout,
typeout,
out);
if (errno == 0) {
out.rewind();
if (out != dataout) {
if (dataout instanceof ShortBuffer) {
((ShortBuffer) dataout).put(out.asShortBuffer());
} else if (dataout instanceof IntBuffer) {
((IntBuffer) dataout).put(out.asIntBuffer());
} else if (dataout instanceof FloatBuffer) {
((FloatBuffer) dataout).put(out.asFloatBuffer());
} else {
throw new RuntimeException("Should not reach here");
}
}
}
return (errno);
}
private final ByteBuffer copyToByteBuffer(Buffer buf) {
if (buf instanceof ByteBuffer) {
if (buf.position() == 0) {
return (ByteBuffer) buf;
}
return Buffers.copyByteBuffer((ByteBuffer) buf);
} else if (buf instanceof ShortBuffer) {
return Buffers.copyShortBufferAsByteBuffer((ShortBuffer) buf);
} else if (buf instanceof IntBuffer) {
return Buffers.copyIntBufferAsByteBuffer((IntBuffer) buf);
} else if (buf instanceof FloatBuffer) {
return Buffers.copyFloatBufferAsByteBuffer((FloatBuffer) buf);
} else {
throw new IllegalArgumentException(
"Unsupported buffer type (must be one of byte, short, int, or float)");
}
}
/**
* Entry point to C language function: <code>
* GLint {@native gluScaleImage}(GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void * dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid * dataOut)
* </code> <br>
* Part of <code>GLU_VERSION_1_X</code><br>
*
* @param dataIn a direct or array-backed {@link java.nio.Buffer}
* @param dataOut a direct or array-backed {@link java.nio.Buffer}
*/
private int gluScaleImageC(
int format,
int wIn,
int hIn,
int typeIn,
Buffer dataIn,
int wOut,
int hOut,
int typeOut,
Buffer dataOut) {
final boolean dataIn_is_direct = Buffers.isDirect(dataIn);
final boolean dataOut_is_direct = Buffers.isDirect(dataOut);
final long __addr_ = getGLUProcAddressTable()._addressof_gluScaleImage;
if (__addr_ == 0) {
throw new GLException(String.format("Method \"%s\" not available", "gluScaleImage"));
}
return dispatch_gluScaleImageC1(
format,
wIn,
hIn,
typeIn,
dataIn_is_direct ? dataIn : Buffers.getArray(dataIn),
dataIn_is_direct
? Buffers.getDirectBufferByteOffset(dataIn)
: Buffers.getIndirectBufferByteOffset(dataIn),
dataIn_is_direct,
wOut,
hOut,
typeOut,
dataOut_is_direct ? dataOut : Buffers.getArray(dataOut),
dataOut_is_direct
? Buffers.getDirectBufferByteOffset(dataOut)
: Buffers.getIndirectBufferByteOffset(dataOut),
dataOut_is_direct,
__addr_);
}