aboutsummaryrefslogtreecommitdiffstats
path: root/src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java')
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java332
1 files changed, 163 insertions, 169 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java b/src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java
index 42e83c05d..840dd2183 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java
@@ -92,195 +92,189 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl {
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;
+ WindowsGLDrawable dummyDrawable = null;
+ GLContext dummyContext = null;
+ GL dummyGL = null;
if (capabilities.getSampleBuffers()) {
- dummyGL = WindowsGLContextFactory.getDummyGL(device);
- }
+ dummyDrawable = new WindowsDummyGLDrawable();
+ dummyContext = dummyDrawable.createContext(null);
+ if (dummyContext != null) {
+ dummyContext.makeCurrent();
+ dummyGL = dummyContext.getGL();
+ }
+ }
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;
- }
- }
- }
- long dc = 0;
- long rc = 0;
- boolean freeWGLC = false;
- if( dummyGL != null ) {
- dc = WindowsGLContextFactory.getDummyGLDrawable( 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;
+ if (dummyGL != null) {
+ haveWGLChoosePixelFormatARB = dummyGL.isExtensionAvailable("WGL_ARB_pixel_format");
+ haveWGLARBMultisample = dummyGL.isExtensionAvailable("WGL_ARB_multisample");
+
+ try {
+ if (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_SAMPLES_ARB;
- iattributes[niattribs++] = capabilities.getNumSamples();
- }
- }
+ 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);
+ 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();
+ }
}
- }
- } 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");
+ 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();
+ }
}
- 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");
+ // 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);
+ }
+ 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());
+ }
}
- 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());
}
+ } finally {
+ dummyContext.release();
+ dummyContext.destroy();
+ dummyDrawable.destroy();
}
}
+ // Fallback path for older cards, in particular Intel Extreme motherboard graphics
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);
+ System.err.println(getThreadName() + ": Using ChoosePixelFormat because no wglChoosePixelFormatARB");
}
}
pfd = glCapabilities2PFD(capabilities, onscreen);