diff options
Diffstat (limited to 'src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java')
-rw-r--r-- | src/net/java/games/jogl/impl/windows/WindowsGLDrawable.java | 332 |
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); |