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@Override
public GLProfile getGLProfile() {
return this.glProfile;
}
private final GLProfile glProfile;
@Override
public final int glGetBoundBuffer(int target) {
return bufferStateTracker.getBoundBufferObject(target, this);
}
@Override
public final long glGetBufferSize(int buffer) {
return bufferSizeTracker.getDirectStateBufferSize(buffer, this);
}
@Override
public final boolean glIsVBOArrayEnabled() {
return checkArrayVBOEnabled(false);
}
@Override
public final boolean glIsVBOElementArrayEnabled() {
return checkElementVBOEnabled(false);
}
@Override
public final GL getDownstreamGL() throws GLException {
return null;
}
@Override
public final GL getRootGL() throws GLException {
return this;
}
@Override
public final boolean isGL() {
return true;
}
@Override
public final GL getGL() throws GLException {
return this;
}
@Override
public final boolean isFunctionAvailable(String glFunctionName) {
return _context.isFunctionAvailable(glFunctionName);
}
@Override
public final boolean isExtensionAvailable(String glExtensionName) {
return _context.isExtensionAvailable(glExtensionName);
}
@Override
public final Object getExtension(String extensionName) {
// At this point we don't expose any extensions using this mechanism
return null;
}
@Override
public final boolean hasBasicFBOSupport() {
return _context.hasBasicFBOSupport();
}
@Override
public final boolean hasFullFBOSupport() {
return _context.hasFullFBOSupport();
}
@Override
public final int getMaxRenderbufferSamples() {
return _context.getMaxRenderbufferSamples();
}
@Override
public final boolean isTextureFormatBGRA8888Available() {
return _context.isTextureFormatBGRA8888Available();
}
@Override
public final GLContext getContext() {
return _context;
}
private final GLContextImpl _context;
/**
* @see javax.media.opengl.GLContext#setSwapInterval(int)
*/
@Override
public final void setSwapInterval(int interval) {
_context.setSwapInterval(interval);
}
/**
* @see javax.media.opengl.GLContext#getSwapInterval()
*/
@Override
public final int getSwapInterval() {
return _context.getSwapInterval();
}
@Override
public final Object getPlatformGLExtensions() {
return _context.getPlatformGLExtensions();
}
@Override
public final int getBoundFramebuffer(int target) {
return _context.getBoundFramebuffer(target);
}
@Override
public final int getDefaultDrawFramebuffer() {
return _context.getDefaultDrawFramebuffer();
}
@Override
public final int getDefaultReadFramebuffer() {
return _context.getDefaultReadFramebuffer();
}
@Override
public final int getDefaultReadBuffer() {
return _context.getDefaultReadBuffer();
}
private final HashMap<MemoryObject, MemoryObject> arbMemCache = new HashMap<MemoryObject, MemoryObject>();
/** Entry point to C language function: <code> void * {@native glMapBuffer}(GLenum target, GLenum access); </code> <br>Part of <code>GL_VERSION_1_5</code>; <code>GL_OES_mapbuffer</code> */
private final java.nio.ByteBuffer glMapBufferImpl(int target, boolean useRange, long offset, long length, int access, long glProcAddress) {
if (glProcAddress == 0) {
throw new GLException("Method \""+(useRange?"glMapBufferRange":"glMapBuffer")+"\" not available");
}
final long sz = bufferSizeTracker.getBufferSize(bufferStateTracker, target, this);
if (0 == sz) {
return null;
}
if( !useRange ) {
length = sz;
offset = 0;
} else {
if( length + offset > sz ) {
throw new GLException("Out of range: offset "+offset+" + length "+length+" > size "+sz);
}
if( 0 > length || 0 > offset ) {
throw new GLException("Invalid values: offset "+offset+", length "+length);
}
if( 0 == length ) {
return null;
}
}
final long addr = useRange ? dispatch_glMapBufferRange(target, offset, length, access, glProcAddress) :
dispatch_glMapBuffer(target, access, glProcAddress);
if (0 == addr) {
return null;
}
ByteBuffer buffer;
MemoryObject memObj0 = new MemoryObject(addr, length); // object and key
MemoryObject memObj1 = MemoryObject.getOrAddSafe(arbMemCache, memObj0);
if(memObj0 == memObj1) {
// just added ..
if(null != memObj0.getBuffer()) {
throw new InternalError();
}
buffer = newDirectByteBuffer(addr, length);
Buffers.nativeOrder(buffer);
memObj0.setBuffer(buffer);
} else {
// already mapped
buffer = memObj1.getBuffer();
if(null == buffer) {
throw new InternalError();
}
}
buffer.position(0);
return buffer;
}
private native long dispatch_glMapBuffer(int target, int access, long glProcAddress);
private native long dispatch_glMapBufferRange(int target, long offset, long length, int access, long procAddress);
/** Entry point to C language function: <code> GLvoid * {@native glMapNamedBufferEXT}(GLuint buffer, GLenum access); </code> <br>Part of <code>GL_EXT_direct_state_access</code> */
private final java.nio.ByteBuffer glMapNamedBufferImpl(int bufferName, int access, long glProcAddress) {
if (glProcAddress == 0) {
throw new GLException("Method \"glMapNamedBufferEXT\" not available");
}
final long sz = bufferSizeTracker.getDirectStateBufferSize(bufferName, this);
if (0 == sz) {
return null;
}
final long addr = dispatch_glMapNamedBufferEXT(bufferName, access, glProcAddress);
if (0 == addr) {
return null;
}
ByteBuffer buffer;
MemoryObject memObj0 = new MemoryObject(addr, sz); // object and key
MemoryObject memObj1 = MemoryObject.getOrAddSafe(arbMemCache, memObj0);
if(memObj0 == memObj1) {
// just added ..
if(null != memObj0.getBuffer()) {
throw new InternalError();
}
buffer = newDirectByteBuffer(addr, sz);
Buffers.nativeOrder(buffer);
memObj0.setBuffer(buffer);
} else {
// already mapped
buffer = memObj1.getBuffer();
if(null == buffer) {
throw new InternalError();
}
}
buffer.position(0);
return buffer;
}
private native long dispatch_glMapNamedBufferEXT(int buffer, int access, long procAddress);
private native ByteBuffer newDirectByteBuffer(long addr, long capacity);
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