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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.opengl.windows.wgl;
import java.nio.IntBuffer;
import jogamp.nativewindow.windows.GDI;
import jogamp.nativewindow.windows.PIXELFORMATDESCRIPTOR;
import javax.media.nativewindow.NativeWindowException;
import javax.media.opengl.GL;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLException;
import javax.media.opengl.GLProfile;
public class WGLGLCapabilities extends GLCapabilities {
final private PIXELFORMATDESCRIPTOR pfd;
final private int pfdID;
private int arb_pixelformat; // -1 PFD, 0 NOP, 1 ARB
public WGLGLCapabilities(PIXELFORMATDESCRIPTOR pfd, int pfdID, GLProfile glp) {
super(glp);
this.pfd = pfd;
this.pfdID = pfdID;
this.arb_pixelformat = 0;
}
public boolean setValuesByGDI() {
arb_pixelformat = -1;
// ALPHA shall be set at last - due to it's auto setting by !opaque / samples
setRedBits(pfd.getCRedBits());
setGreenBits(pfd.getCGreenBits());
setBlueBits(pfd.getCBlueBits());
setAlphaBits(pfd.getCAlphaBits());
setAccumRedBits(pfd.getCAccumRedBits());
setAccumGreenBits(pfd.getCAccumGreenBits());
setAccumBlueBits(pfd.getCAccumBlueBits());
setAccumAlphaBits(pfd.getCAccumAlphaBits());
setDepthBits(pfd.getCDepthBits());
setStencilBits(pfd.getCStencilBits());
final int dwFlags = pfd.getDwFlags();
setDoubleBuffered((dwFlags & GDI.PFD_DOUBLEBUFFER) != 0);
setStereo((dwFlags & GDI.PFD_STEREO) != 0);
setHardwareAccelerated((dwFlags & GDI.PFD_GENERIC_FORMAT) == 0
|| (dwFlags & GDI.PFD_GENERIC_ACCELERATED) != 0);
// n/a with non ARB/GDI method:
// multisample
// opaque
// pbuffer
return true;
}
public static final String PFD2String(PIXELFORMATDESCRIPTOR pfd, int pfdID) {
final int dwFlags = pfd.getDwFlags();
StringBuilder sb = new StringBuilder();
boolean sep = false;
if( 0 != (GDI.PFD_DRAW_TO_WINDOW & dwFlags ) ) {
sep = true;
sb.append("window");
}
if( 0 != (GDI.PFD_DRAW_TO_BITMAP & dwFlags ) ) {
if(sep) { sb.append(CSEP); } sep=true;
sb.append("bitmap");
}
if( 0 != (GDI.PFD_SUPPORT_OPENGL & dwFlags ) ) {
if(sep) { sb.append(CSEP); } sep=true;
sb.append("opengl");
}
if( 0 != (GDI.PFD_DOUBLEBUFFER & dwFlags ) ) {
if(sep) { sb.append(CSEP); } sep=true;
sb.append("dblbuf");
}
if( 0 != (GDI.PFD_STEREO & dwFlags ) ) {
if(sep) { sb.append(CSEP); } sep=true;
sb.append("stereo");
}
if( 0 == (GDI.PFD_GENERIC_FORMAT & dwFlags ) || 0 == (GDI.PFD_GENERIC_ACCELERATED & dwFlags ) ) {
if(sep) { sb.append(CSEP); } sep=true;
sb.append("hw-accel");
}
return "PFD[id = "+pfdID+" (0x"+Integer.toHexString(pfdID)+
"), colorBits "+pfd.getCColorBits()+", rgba "+pfd.getCRedBits()+ESEP+pfd.getCGreenBits()+ESEP+pfd.getCBlueBits()+ESEP+pfd.getCAlphaBits()+
", accum-rgba "+pfd.getCAccumRedBits()+ESEP+pfd.getCAccumGreenBits()+ESEP+pfd.getCAccumBlueBits()+ESEP+pfd.getCAccumAlphaBits()+
", dp/st/ms: "+pfd.getCDepthBits()+ESEP+pfd.getCStencilBits()+ESEP+"0"+
", flags: "+sb.toString();
}
public boolean setValuesByARB(final IntBuffer iattribs, final int niattribs, final IntBuffer iresults) {
arb_pixelformat = 1;
int alphaBits = 0;
for (int i = 0; i < niattribs; i++) {
final int attr = iattribs.get(i);
final int res = iresults.get(i);
switch (attr) {
case WGLExt.WGL_DRAW_TO_WINDOW_ARB:
case WGLExt.WGL_DRAW_TO_BITMAP_ARB:
case WGLExt.WGL_DRAW_TO_PBUFFER_ARB:
break;
case WGLExt.WGL_ACCELERATION_ARB:
setHardwareAccelerated(res == WGLExt.WGL_FULL_ACCELERATION_ARB);
break;
case WGLExt.WGL_SUPPORT_OPENGL_ARB:
if (res != GL.GL_TRUE) {
return false;
}
break;
case WGLExt.WGL_DEPTH_BITS_ARB:
setDepthBits(res);
break;
case WGLExt.WGL_STENCIL_BITS_ARB:
setStencilBits(res);
break;
case WGLExt.WGL_DOUBLE_BUFFER_ARB:
setDoubleBuffered(res == GL.GL_TRUE);
break;
case WGLExt.WGL_STEREO_ARB:
setStereo(res == GL.GL_TRUE);
break;
case WGLExt.WGL_PIXEL_TYPE_ARB:
if(res == WGLExt.WGL_TYPE_COLORINDEX_ARB) {
return false; // color index not supported
}
if (res == WGLExt.WGL_TYPE_RGBA_FLOAT_ARB) {
return false; // not supported
}
// normal RGBA FB: WGLExt.WGL_TYPE_RGBA_ARB
// ignore unknown results here
break;
case WGLExt.WGL_RED_BITS_ARB:
setRedBits(res);
break;
case WGLExt.WGL_GREEN_BITS_ARB:
setGreenBits(res);
break;
case WGLExt.WGL_BLUE_BITS_ARB:
setBlueBits(res);
break;
case WGLExt.WGL_ALPHA_BITS_ARB:
// ALPHA shall be set at last - due to it's auto setting by !opaque / samples
alphaBits = res;
break;
case WGLExt.WGL_ACCUM_RED_BITS_ARB:
setAccumRedBits(res);
break;
case WGLExt.WGL_ACCUM_GREEN_BITS_ARB:
setAccumGreenBits(res);
break;
case WGLExt.WGL_ACCUM_BLUE_BITS_ARB:
setAccumBlueBits(res);
break;
case WGLExt.WGL_ACCUM_ALPHA_BITS_ARB:
setAccumAlphaBits(res);
break;
case WGLExt.WGL_SAMPLE_BUFFERS_ARB:
setSampleBuffers(res != 0);
break;
case WGLExt.WGL_SAMPLES_ARB:
setNumSamples(res);
break;
default:
throw new GLException("Unknown pixel format attribute " + attr);
}
}
setAlphaBits(alphaBits);
return true;
}
@Override
public Object cloneMutable() {
return clone();
}
@Override
public Object clone() {
try {
return super.clone();
} catch (RuntimeException e) {
throw new GLException(e);
}
}
final public PIXELFORMATDESCRIPTOR getPFD() { return pfd; }
final public int getPFDID() { return pfdID; }
final public boolean isSetByARB() { return 0 < arb_pixelformat; }
final public boolean isSetByGDI() { return 0 > arb_pixelformat; }
final public boolean isSet() { return 0 != arb_pixelformat; }
@Override
final public int getVisualID(VIDType type) throws NativeWindowException {
switch(type) {
case INTRINSIC:
case NATIVE:
case WIN32_PFD:
return getPFDID();
default:
throw new NativeWindowException("Invalid type <"+type+">");
}
}
@Override
public StringBuilder toString(StringBuilder sink) {
if(null == sink) {
sink = new StringBuilder();
}
sink.append("wgl vid 0x").append(Integer.toHexString(pfdID)).append(" ");
switch (arb_pixelformat) {
case -1:
sink.append("gdi");
break;
case 0:
sink.append("nop");
break;
case 1:
sink.append("arb");
break;
default:
throw new InternalError("invalid arb_pixelformat: " + arb_pixelformat);
}
sink.append(": ");
return super.toString(sink);
}
}
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