protected void destroyPbuffer() {
final MutableSurface ms = (MutableSurface) getNativeSurface();
final long pBuffer = ms.getSurfaceHandle();
if (0 != pBuffer) {
synchronized (createdContexts) {
for (int i = 0; i < createdContexts.size(); ) {
final WeakReference<MacOSXCGLContext> ref = createdContexts.get(i);
final MacOSXCGLContext ctx = ref.get();
if (ctx != null) {
ctx.detachPBuffer();
i++;
} else {
createdContexts.remove(i);
}
}
}
impl.destroy(pBuffer);
ms.setSurfaceHandle(0);
}
}
private void createPbuffer() {
final MutableSurface ms = (MutableSurface) getNativeSurface();
final DefaultGraphicsConfiguration config =
(DefaultGraphicsConfiguration) ms.getGraphicsConfiguration();
final GLCapabilitiesImmutable capabilities =
(GLCapabilitiesImmutable) config.getChosenCapabilities();
final GLProfile glProfile = capabilities.getGLProfile();
MacOSXCGLDrawableFactory.SharedResource sr =
((MacOSXCGLDrawableFactory) factory)
.getOrCreateOSXSharedResource(config.getScreen().getDevice());
if (DEBUG) {
System.out.println(getThreadName() + ": Pbuffer config: " + config);
if (null != sr) {
System.out.println("Pbuffer NPOT Texure avail: " + sr.isNPOTTextureAvailable());
System.out.println("Pbuffer RECT Texture avail: " + sr.isRECTTextureAvailable());
} else {
System.out.println("Pbuffer no sr, no RECT/NPOT Texture avail");
}
}
if (capabilities.getPbufferRenderToTextureRectangle()
&& null != sr
&& sr.isRECTTextureAvailable()) {
pBufferTexTarget = GL2GL3.GL_TEXTURE_RECTANGLE;
} else {
pBufferTexTarget = GL.GL_TEXTURE_2D;
}
if (GL2GL3.GL_TEXTURE_RECTANGLE == pBufferTexTarget
|| (null != sr && sr.isNPOTTextureAvailable())) {
pBufferTexWidth = getWidth();
pBufferTexHeight = getHeight();
} else {
pBufferTexWidth = GLBuffers.getNextPowerOf2(getWidth());
pBufferTexHeight = GLBuffers.getNextPowerOf2(getHeight());
}
int internalFormat = GL.GL_RGBA;
if (capabilities.getPbufferFloatingPointBuffers()) {
if (!glProfile.isGL2GL3() || null == sr || sr.isAppleFloatPixelsAvailable()) {
throw new GLException("Floating-point support (GL_APPLE_float_pixels) not available");
}
switch (capabilities.getRedBits()) {
case 16:
internalFormat = GL2.GL_RGBA_FLOAT16_APPLE;
break;
case 32:
internalFormat = GL2.GL_RGBA_FLOAT32_APPLE;
break;
default:
throw new GLException("Invalid floating-point bit depth (only 16 and 32 supported)");
}
}
final long pBuffer = impl.create(pBufferTexTarget, internalFormat, getWidth(), getHeight());
if (DEBUG) {
System.err.println(
"MacOSXPbufferCGLDrawable tex: target "
+ toHexString(pBufferTexTarget)
+ ", pbufferSize "
+ getWidth()
+ "x"
+ getHeight()
+ ", texSize "
+ pBufferTexWidth
+ "x"
+ pBufferTexHeight
+ ", internal-fmt "
+ toHexString(internalFormat));
System.err.println("MacOSXPbufferCGLDrawable pBuffer: " + toHexString(pBuffer));
// Thread.dumpStack();
}
if (pBuffer == 0) {
throw new GLException("pbuffer creation error: CGL.createPBuffer() failed");
}
ms.setSurfaceHandle(pBuffer);
}