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Diffstat (limited to 'src/net/java/games/jogl/impl/windows/WindowsGLContext.java')
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsGLContext.java515
1 files changed, 36 insertions, 479 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
index 338b11e6a..44f2894eb 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
@@ -39,19 +39,14 @@
package net.java.games.jogl.impl.windows;
-import java.awt.Component;
-import java.awt.GraphicsConfiguration;
-import java.awt.GraphicsDevice;
-import java.awt.Rectangle;
import java.util.*;
import net.java.games.gluegen.runtime.*; // for PROCADDRESS_VAR_PREFIX
import net.java.games.jogl.*;
import net.java.games.jogl.impl.*;
public abstract class WindowsGLContext extends GLContextImpl {
- private static JAWT jawt;
+ protected WindowsGLDrawable drawable;
protected long hglrc;
- protected long hdc;
private boolean wglGetExtensionsStringEXTInitialized;
private boolean wglGetExtensionsStringEXTAvailable;
private static final Map/*<String, String>*/ functionNameMap;
@@ -63,9 +58,6 @@ public abstract class WindowsGLContext extends GLContextImpl {
private long hglu32;
private boolean haveWGLARBPbuffer = true;
- private static final int MAX_PFORMATS = 256;
- private static final int MAX_ATTRIBS = 256;
-
static {
functionNameMap = new HashMap();
functionNameMap.put("glAllocateMemoryNV", "wglAllocateMemoryNV");
@@ -76,11 +68,10 @@ public abstract class WindowsGLContext extends GLContextImpl {
extensionNameMap.put("GL_ARB_pixel_format", "WGL_ARB_pixel_format");
}
- public WindowsGLContext(Component component,
- GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
+ public WindowsGLContext(WindowsGLDrawable drawable,
GLContext shareWith) {
- super(component, capabilities, chooser, shareWith);
+ super(shareWith);
+ this.drawable = drawable;
}
protected GL createGL()
@@ -104,16 +95,6 @@ public abstract class WindowsGLContext extends GLContextImpl {
return glExtensionName;
}
- protected abstract boolean isOffscreen();
-
- public int getOffscreenContextWidth() {
- throw new GLException("Should not call this");
- }
-
- public int getOffscreenContextHeight() {
- throw new GLException("Should not call this");
- }
-
public int getOffscreenContextPixelDataType() {
throw new GLException("Should not call this");
}
@@ -126,7 +107,32 @@ public abstract class WindowsGLContext extends GLContextImpl {
* Creates and initializes an appropriate OpenGL context. Should only be
* called by {@link #makeCurrentImpl()}.
*/
- protected abstract void create();
+ protected void create() {
+ if (drawable.getHDC() == 0) {
+ throw new GLException("Internal error: attempted to create OpenGL context without an associated drawable");
+ }
+ hglrc = WGL.wglCreateContext(drawable.getHDC());
+ if (hglrc == 0) {
+ throw new GLException("Unable to create OpenGL context");
+ }
+ // Windows can set up sharing of display lists after creation time
+ WindowsGLContext other = (WindowsGLContext) GLContextShareSet.getShareContext(this);
+ if (other != null) {
+ long hglrc2 = other.getHGLRC();
+ if (hglrc2 == 0) {
+ throw new GLException("GLContextShareSet returned an invalid OpenGL context");
+ }
+ if (!WGL.wglShareLists(hglrc2, hglrc)) {
+ throw new GLException("wglShareLists(0x" + Long.toHexString(hglrc2) +
+ ", 0x" + Long.toHexString(hglrc) + ") failed: error code " +
+ WGL.GetLastError());
+ }
+ }
+ GLContextShareSet.contextCreated(this);
+ if (DEBUG) {
+ System.err.println(getThreadName() + ": !!! Created OpenGL context " + toHexString(hglrc) + " for " + this + ", device context " + toHexString(drawable.getHDC()));
+ }
+ }
protected int makeCurrentImpl() throws GLException {
boolean created = false;
@@ -149,12 +155,12 @@ public abstract class WindowsGLContext extends GLContextImpl {
}
if (!skipMakeCurrent) {
- if (!WGL.wglMakeCurrent(hdc, hglrc)) {
+ if (!WGL.wglMakeCurrent(drawable.getHDC(), hglrc)) {
throw new GLException("Error making context current: " + WGL.GetLastError());
} else {
if (DEBUG && VERBOSE) {
- System.err.println(getThreadName() + ": wglMakeCurrent(hdc " + hdcToString(hdc) +
- ", hglrc " + hdcToString(hglrc) + ") succeeded");
+ System.err.println(getThreadName() + ": wglMakeCurrent(hdc " + toHexString(drawable.getHDC()) +
+ ", hglrc " + toHexString(hglrc) + ") succeeded");
}
}
}
@@ -163,20 +169,6 @@ public abstract class WindowsGLContext extends GLContextImpl {
resetGLFunctionAvailability();
haveWGLARBPbuffer = (isExtensionAvailable("WGL_ARB_pbuffer") &&
isExtensionAvailable("WGL_ARB_pixel_format"));
- // Windows can set up sharing of display lists after creation time
- WindowsGLContext other = (WindowsGLContext) GLContextShareSet.getShareContext(this);
- if (other != null) {
- long hglrc2 = other.getHGLRC();
- if (hglrc2 == 0) {
- throw new GLException("GLContextShareSet returned an invalid OpenGL context");
- }
- if (!WGL.wglShareLists(hglrc2, hglrc)) {
- throw new GLException("wglShareLists(0x" + Long.toHexString(hglrc2) +
- ", 0x" + Long.toHexString(hglrc) + ") failed: error code " +
- WGL.GetLastError());
- }
- }
- GLContextShareSet.contextCreated(this);
return CONTEXT_CURRENT_NEW;
}
return CONTEXT_CURRENT;
@@ -195,15 +187,14 @@ public abstract class WindowsGLContext extends GLContextImpl {
if (!WGL.wglDeleteContext(hglrc)) {
throw new GLException("Unable to delete OpenGL context");
}
+ hglrc = 0;
+ GLContextShareSet.contextDestroyed(this);
if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Destroyed OpenGL context " + hglrc);
+ System.err.println(getThreadName() + ": !!! Destroyed OpenGL context " + toHexString(hglrc));
}
- hglrc = 0;
}
}
- public abstract void swapBuffers() throws GLException;
-
protected long dynamicLookupFunction(String glFuncName) {
long res = WGL.wglGetProcAddress(glFuncName);
if (res == 0) {
@@ -272,444 +263,10 @@ public abstract class WindowsGLContext extends GLContextImpl {
// Internals only below this point
//
- protected JAWT getJAWT() {
- if (jawt == null) {
- JAWT j = new JAWT();
- j.version(JAWTFactory.JAWT_VERSION_1_4);
- if (!JAWTFactory.JAWT_GetAWT(j)) {
- throw new RuntimeException("Unable to initialize JAWT");
- }
- jawt = j;
- }
- return jawt;
- }
-
- // Helper routine for the overridden create() to call
- protected void choosePixelFormatAndCreateContext(boolean onscreen) {
- PIXELFORMATDESCRIPTOR pfd = null;
- int pixelFormat = 0;
- if (onscreen) {
- GLCapabilities[] availableCaps = null;
- int numFormats = 0;
- pfd = newPixelFormatDescriptor();
- GraphicsConfiguration config = component.getGraphicsConfiguration();
- GraphicsDevice device = config.getDevice();
- // Produce a recommended pixel format selection for the GLCapabilitiesChooser.
- // Use wglChoosePixelFormatARB if user requested multisampling and if we have it available
- GL dummyGL = null;
- if (capabilities.getSampleBuffers()) {
- dummyGL = WindowsGLContextFactory.getDummyGL(device);
- }
- int recommendedPixelFormat = -1;
- boolean haveWGLChoosePixelFormatARB = false;
- boolean haveWGLARBMultisample = false;
- if (dummyGL != null) {
- String availableWGLExtensions = WindowsGLContextFactory.getDummyGLExtensions(device);
- if (availableWGLExtensions.indexOf("WGL_ARB_pixel_format") >= 0) {
- haveWGLChoosePixelFormatARB = true;
- if (availableWGLExtensions.indexOf("WGL_ARB_multisample") >= 0) {
- haveWGLARBMultisample = true;
- }
- }
- }
- Rectangle rect = config.getBounds();
- long dc = 0;
- long rc = 0;
- boolean freeWGLC = false;
- if( dummyGL != null ) {
- dc = WindowsGLContextFactory.getDummyGLContext( device ).hdc;
- rc = WindowsGLContextFactory.getDummyGLContext( device ).hglrc;
- if( !WGL.wglMakeCurrent( dc, rc ) ) {
- System.err.println(getThreadName() + ": Error Making WGLC Current: " + WGL.GetLastError() );
- } else {
- freeWGLC = true;
- }
- }
- // Fallback path for older cards, in particular Intel Extreme motherboard graphics
- boolean gotAvailableCaps = false;
- if (dummyGL != null && haveWGLChoosePixelFormatARB) {
- int[] iattributes = new int [2 * MAX_ATTRIBS];
- int[] iresults = new int [2 * MAX_ATTRIBS];
- float[] fattributes = new float[2 * MAX_ATTRIBS];
- int niattribs = 0;
- int nfattribs = 0;
- iattributes[niattribs++] = GL.WGL_SUPPORT_OPENGL_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_DRAW_TO_WINDOW_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_TYPE_RGBA_ARB;
- iattributes[niattribs++] = GL.WGL_DOUBLE_BUFFER_ARB;
- if (capabilities.getDoubleBuffered()) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
- iattributes[niattribs++] = GL.WGL_STEREO_ARB;
- if (capabilities.getStereo()) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
- iattributes[niattribs++] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[niattribs++] = capabilities.getDepthBits();
- iattributes[niattribs++] = GL.WGL_RED_BITS_ARB;
- iattributes[niattribs++] = capabilities.getRedBits();
- iattributes[niattribs++] = GL.WGL_GREEN_BITS_ARB;
- iattributes[niattribs++] = capabilities.getGreenBits();
- iattributes[niattribs++] = GL.WGL_BLUE_BITS_ARB;
- iattributes[niattribs++] = capabilities.getBlueBits();
- iattributes[niattribs++] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAlphaBits();
- iattributes[niattribs++] = GL.WGL_STENCIL_BITS_ARB;
- iattributes[niattribs++] = capabilities.getStencilBits();
- if (capabilities.getAccumRedBits() > 0 ||
- capabilities.getAccumGreenBits() > 0 ||
- capabilities.getAccumBlueBits() > 0 ||
- capabilities.getAccumAlphaBits() > 0) {
- iattributes[niattribs++] = GL.WGL_ACCUM_BITS_ARB;
- iattributes[niattribs++] = (capabilities.getAccumRedBits() +
- capabilities.getAccumGreenBits() +
- capabilities.getAccumBlueBits() +
- capabilities.getAccumAlphaBits());
- iattributes[niattribs++] = GL.WGL_ACCUM_RED_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumRedBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_GREEN_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumGreenBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_BLUE_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumBlueBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_ALPHA_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumAlphaBits();
- }
- if (haveWGLARBMultisample) {
- if (capabilities.getSampleBuffers()) {
- iattributes[niattribs++] = GL.WGL_SAMPLE_BUFFERS_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_SAMPLES_ARB;
- iattributes[niattribs++] = capabilities.getNumSamples();
- }
- }
-
- int[] pformats = new int[MAX_PFORMATS];
- int[] numFormatsTmp = new int[1];
- if (dummyGL.wglChoosePixelFormatARB(hdc,
- iattributes, 0,
- fattributes, 0,
- MAX_PFORMATS,
- pformats, 0,
- numFormatsTmp, 0)) {
- numFormats = numFormatsTmp[0];
- if (numFormats > 0) {
- // Remove one-basing of pixel format (added on later)
- recommendedPixelFormat = pformats[0] - 1;
- if (DEBUG) {
- System.err.println(getThreadName() + ": Used wglChoosePixelFormatARB to recommend pixel format " + recommendedPixelFormat);
- }
- }
- } else {
- if (DEBUG) {
- System.err.println(getThreadName() + ": wglChoosePixelFormatARB failed: " + WGL.GetLastError() );
- Thread.dumpStack();
- }
- }
- if (DEBUG) {
- if (recommendedPixelFormat < 0) {
- System.err.print(getThreadName() + ": wglChoosePixelFormatARB didn't recommend a pixel format");
- if (capabilities.getSampleBuffers()) {
- System.err.print(" for multisampled GLCapabilities");
- }
- System.err.println();
- }
- }
-
- // Produce a list of GLCapabilities to give to the
- // GLCapabilitiesChooser.
- // Use wglGetPixelFormatAttribivARB instead of
- // DescribePixelFormat to get higher-precision information
- // about the pixel format (should make the GLCapabilities
- // more precise as well...i.e., remove the
- // "HardwareAccelerated" bit, which is basically
- // meaningless, and put in whether it can render to a
- // window, to a pbuffer, or to a pixmap)
- niattribs = 0;
- iattributes[0] = GL.WGL_NUMBER_PIXEL_FORMATS_ARB;
- if (dummyGL.wglGetPixelFormatAttribivARB(hdc, 0, 0, 1, iattributes, 0, iresults, 0)) {
- numFormats = iresults[0];
- // Should we be filtering out the pixel formats which aren't
- // applicable, as we are doing here?
- // We don't have enough information in the GLCapabilities to
- // represent those that aren't...
- iattributes[niattribs++] = GL.WGL_DRAW_TO_WINDOW_ARB;
- iattributes[niattribs++] = GL.WGL_ACCELERATION_ARB;
- iattributes[niattribs++] = GL.WGL_SUPPORT_OPENGL_ARB;
- iattributes[niattribs++] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_STENCIL_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_DOUBLE_BUFFER_ARB;
- iattributes[niattribs++] = GL.WGL_STEREO_ARB;
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_RED_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_GREEN_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_BLUE_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_RED_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_GREEN_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_BLUE_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_ALPHA_BITS_ARB;
- if (haveWGLARBMultisample) {
- iattributes[niattribs++] = GL.WGL_SAMPLE_BUFFERS_ARB;
- iattributes[niattribs++] = GL.WGL_SAMPLES_ARB;
- }
-
- availableCaps = new GLCapabilities[numFormats];
- for (int i = 0; i < numFormats; i++) {
- if (!dummyGL.wglGetPixelFormatAttribivARB(hdc, i+1, 0, niattribs, iattributes, 0, iresults, 0)) {
- throw new GLException("Error getting pixel format attributes for pixel format " + (i + 1) + " of device context");
- }
- availableCaps[i] = iattributes2GLCapabilities(iattributes, iresults, niattribs, true);
- }
- if( freeWGLC ) {
- WGL.wglMakeCurrent( 0, 0 );
- }
- gotAvailableCaps = true;
- } else {
- int lastErr = WGL.GetLastError();
- // Intel Extreme graphics fails with a zero error code
- if (lastErr != 0) {
- throw new GLException("Unable to enumerate pixel formats of window using wglGetPixelFormatAttribivARB: error code " + WGL.GetLastError());
- }
- }
- }
-
- if (!gotAvailableCaps) {
- if (DEBUG) {
- if (!capabilities.getSampleBuffers()) {
- System.err.println(getThreadName() + ": Using ChoosePixelFormat because multisampling not requested");
- } else {
- System.err.println(getThreadName() + ": Using ChoosePixelFormat because no wglChoosePixelFormatARB: dummyGL = " + dummyGL);
- }
- }
- pfd = glCapabilities2PFD(capabilities, onscreen);
- // Remove one-basing of pixel format (added on later)
- recommendedPixelFormat = WGL.ChoosePixelFormat(hdc, pfd) - 1;
-
- numFormats = WGL.DescribePixelFormat(hdc, 1, 0, null);
- if (numFormats == 0) {
- throw new GLException("Unable to enumerate pixel formats of window for GLCapabilitiesChooser");
- }
- availableCaps = new GLCapabilities[numFormats];
- for (int i = 0; i < numFormats; i++) {
- if (WGL.DescribePixelFormat(hdc, 1 + i, pfd.size(), pfd) == 0) {
- throw new GLException("Error describing pixel format " + (1 + i) + " of device context");
- }
- availableCaps[i] = pfd2GLCapabilities(pfd);
- }
- }
-
- // Supply information to chooser
- pixelFormat = chooser.chooseCapabilities(capabilities, availableCaps, recommendedPixelFormat);
- if ((pixelFormat < 0) || (pixelFormat >= numFormats)) {
- throw new GLException("Invalid result " + pixelFormat +
- " from GLCapabilitiesChooser (should be between 0 and " +
- (numFormats - 1) + ")");
- }
- if (DEBUG) {
- System.err.println(getThreadName() + ": Chosen pixel format (" + pixelFormat + "):");
- System.err.println(availableCaps[pixelFormat]);
- }
- pixelFormat += 1; // one-base the index
- if (WGL.DescribePixelFormat(hdc, pixelFormat, pfd.size(), pfd) == 0) {
- throw new GLException("Error re-describing the chosen pixel format: " + WGL.GetLastError());
- }
- } else {
- // For now, use ChoosePixelFormat for offscreen surfaces until
- // we figure out how to properly choose an offscreen-
- // compatible pixel format
- pfd = glCapabilities2PFD(capabilities, onscreen);
- pixelFormat = WGL.ChoosePixelFormat(hdc, pfd);
- }
- if (!WGL.SetPixelFormat(hdc, pixelFormat, pfd)) {
- int lastError = WGL.GetLastError();
- if (DEBUG) {
- System.err.println(getThreadName() + ": SetPixelFormat failed: current context = " + WGL.wglGetCurrentContext() +
- ", current DC = " + WGL.wglGetCurrentDC());
- System.err.println(getThreadName() + ": GetPixelFormat(hdc " + hdcToString(hdc) + ") returns " + WGL.GetPixelFormat(hdc));
- }
- throw new GLException("Unable to set pixel format " + pixelFormat + " for device context " + hdcToString(hdc) + ": error code " + lastError);
- }
- hglrc = WGL.wglCreateContext(hdc);
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Created OpenGL context " + hglrc + " for device context " + hdcToString(hdc) + " using pixel format " + pixelFormat);
- }
- if (hglrc == 0) {
- throw new GLException("Unable to create OpenGL context");
- }
- }
-
protected long getHGLRC() {
return hglrc;
}
- static PIXELFORMATDESCRIPTOR glCapabilities2PFD(GLCapabilities caps, boolean onscreen) {
- int colorDepth = (caps.getRedBits() +
- caps.getGreenBits() +
- caps.getBlueBits());
- if (colorDepth < 15) {
- throw new GLException("Bit depths < 15 (i.e., non-true-color) not supported");
- }
- PIXELFORMATDESCRIPTOR pfd = newPixelFormatDescriptor();
- int pfdFlags = (WGL.PFD_SUPPORT_OPENGL |
- WGL.PFD_GENERIC_ACCELERATED);
- if (caps.getDoubleBuffered()) {
- pfdFlags |= WGL.PFD_DOUBLEBUFFER;
- }
- if (onscreen) {
- pfdFlags |= WGL.PFD_DRAW_TO_WINDOW;
- } else {
- pfdFlags |= WGL.PFD_DRAW_TO_BITMAP;
- }
- pfd.dwFlags(pfdFlags);
- pfd.iPixelType((byte) WGL.PFD_TYPE_RGBA);
- pfd.cColorBits((byte) colorDepth);
- pfd.cRedBits ((byte) caps.getRedBits());
- pfd.cGreenBits((byte) caps.getGreenBits());
- pfd.cBlueBits ((byte) caps.getBlueBits());
- pfd.cAlphaBits((byte) caps.getAlphaBits());
- int accumDepth = (caps.getAccumRedBits() +
- caps.getAccumGreenBits() +
- caps.getAccumBlueBits());
- pfd.cAccumBits ((byte) accumDepth);
- pfd.cAccumRedBits ((byte) caps.getAccumRedBits());
- pfd.cAccumGreenBits((byte) caps.getAccumGreenBits());
- pfd.cAccumBlueBits ((byte) caps.getAccumBlueBits());
- pfd.cAccumAlphaBits((byte) caps.getAccumAlphaBits());
- pfd.cDepthBits((byte) caps.getDepthBits());
- pfd.cStencilBits((byte) caps.getStencilBits());
- pfd.iLayerType((byte) WGL.PFD_MAIN_PLANE);
- return pfd;
- }
-
- static PIXELFORMATDESCRIPTOR newPixelFormatDescriptor() {
- PIXELFORMATDESCRIPTOR pfd = new PIXELFORMATDESCRIPTOR();
- pfd.nSize((short) pfd.size());
- pfd.nVersion((short) 1);
- return pfd;
- }
-
- static GLCapabilities pfd2GLCapabilities(PIXELFORMATDESCRIPTOR pfd) {
- if ((pfd.dwFlags() & WGL.PFD_SUPPORT_OPENGL) == 0) {
- return null;
- }
- GLCapabilities res = new GLCapabilities();
- res.setRedBits (pfd.cRedBits());
- res.setGreenBits (pfd.cGreenBits());
- res.setBlueBits (pfd.cBlueBits());
- res.setAlphaBits (pfd.cAlphaBits());
- res.setAccumRedBits (pfd.cAccumRedBits());
- res.setAccumGreenBits(pfd.cAccumGreenBits());
- res.setAccumBlueBits (pfd.cAccumBlueBits());
- res.setAccumAlphaBits(pfd.cAccumAlphaBits());
- res.setDepthBits (pfd.cDepthBits());
- res.setStencilBits (pfd.cStencilBits());
- res.setDoubleBuffered((pfd.dwFlags() & WGL.PFD_DOUBLEBUFFER) != 0);
- res.setStereo ((pfd.dwFlags() & WGL.PFD_STEREO) != 0);
- res.setHardwareAccelerated(((pfd.dwFlags() & WGL.PFD_GENERIC_FORMAT) == 0) ||
- ((pfd.dwFlags() & WGL.PFD_GENERIC_ACCELERATED) != 0));
- return res;
- }
-
- static GLCapabilities iattributes2GLCapabilities(int[] iattribs,
- int[] iresults,
- int niattribs,
- boolean requireRenderToWindow) {
- GLCapabilities res = new GLCapabilities();
- for (int i = 0; i < niattribs; i++) {
- switch (iattribs[i]) {
- case GL.WGL_DRAW_TO_WINDOW_ARB:
- if (iresults[i] != GL.GL_TRUE)
- return null;
- break;
-
- case GL.WGL_ACCELERATION_ARB:
- res.setHardwareAccelerated(iresults[i] == GL.WGL_FULL_ACCELERATION_ARB);
- break;
-
- case GL.WGL_SUPPORT_OPENGL_ARB:
- if (iresults[i] != GL.GL_TRUE)
- return null;
- break;
-
- case GL.WGL_DEPTH_BITS_ARB:
- res.setDepthBits(iresults[i]);
- break;
-
- case GL.WGL_STENCIL_BITS_ARB:
- res.setStencilBits(iresults[i]);
- break;
-
- case GL.WGL_DOUBLE_BUFFER_ARB:
- res.setDoubleBuffered(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_STEREO_ARB:
- res.setStereo(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_PIXEL_TYPE_ARB:
- if (iresults[i] != GL.WGL_TYPE_RGBA_ARB)
- return null;
- break;
-
- case GL.WGL_RED_BITS_ARB:
- res.setRedBits(iresults[i]);
- break;
-
- case GL.WGL_GREEN_BITS_ARB:
- res.setGreenBits(iresults[i]);
- break;
-
- case GL.WGL_BLUE_BITS_ARB:
- res.setBlueBits(iresults[i]);
- break;
-
- case GL.WGL_ALPHA_BITS_ARB:
- res.setAlphaBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_RED_BITS_ARB:
- res.setAccumRedBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_GREEN_BITS_ARB:
- res.setAccumGreenBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_BLUE_BITS_ARB:
- res.setAccumBlueBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_ALPHA_BITS_ARB:
- res.setAccumAlphaBits(iresults[i]);
- break;
-
- case GL.WGL_SAMPLE_BUFFERS_ARB:
- res.setSampleBuffers(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_SAMPLES_ARB:
- res.setNumSamples(iresults[i]);
- break;
-
- default:
- throw new GLException("Unknown pixel format attribute " + iattribs[i]);
- }
- }
- return res;
- }
-
- protected static String hdcToString(long hdc) {
- return "0x" + Long.toHexString(hdc);
- }
-
protected boolean haveWGLARBPbuffer() {
return haveWGLARBPbuffer;
}