diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java | 640 |
1 files changed, 0 insertions, 640 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java deleted file mode 100644 index d930e4dd8..000000000 --- a/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java +++ /dev/null @@ -1,640 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution 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. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package com.sun.opengl.impl.windows; - -import javax.media.opengl.*; -import com.sun.opengl.impl.*; - -public abstract class WindowsGLDrawable extends GLDrawableImpl { - protected static final boolean DEBUG = Debug.debug("WindowsGLDrawable"); - - protected long hdc; - protected GLCapabilities capabilities; - protected GLCapabilitiesChooser chooser; - protected boolean pixelFormatChosen; - - protected static final int MAX_PFORMATS = 256; - protected static final int MAX_ATTRIBS = 256; - - public WindowsGLDrawable(GLCapabilities capabilities, - GLCapabilitiesChooser chooser) { - this.capabilities = (GLCapabilities) capabilities.clone(); - this.chooser = chooser; - } - - public void setRealized(boolean val) { - throw new GLException("Should not call this (should only be called for onscreen GLDrawables)"); - } - - public void destroy() { - throw new GLException("Should not call this (should only be called for offscreen GLDrawables)"); - } - - public void swapBuffers() throws GLException { - } - - public long getHDC() { - return hdc; - } - - protected void choosePixelFormat(boolean onscreen) { - PIXELFORMATDESCRIPTOR pfd = null; - int pixelFormat = 0; - GLCapabilities chosenCaps = null; - if (onscreen) { - if ((pixelFormat = WGL.GetPixelFormat(hdc)) != 0) { - // The Java2D/OpenGL pipeline probably already set a pixel - // format for this canvas. - if (DEBUG) { - System.err.println("NOTE: pixel format already chosen (by Java2D/OpenGL pipeline?) for window: " + - WGL.GetPixelFormat(hdc)); - } - pfd = newPixelFormatDescriptor(); - if (WGL.DescribePixelFormat(hdc, pixelFormat, pfd.size(), pfd) == 0) { - // FIXME: should this just be a warning? Not really critical... - throw new GLException("Unable to describe pixel format " + pixelFormat + - " of window set by Java2D/OpenGL pipeline"); - } - setChosenGLCapabilities(pfd2GLCapabilities(pfd)); - pixelFormatChosen = true; - return; - } - - GLCapabilities[] availableCaps = null; - int numFormats = 0; - pfd = newPixelFormatDescriptor(); - // Produce a recommended pixel format selection for the GLCapabilitiesChooser. - // Use wglChoosePixelFormatARB if user requested multisampling and if we have it available - WindowsGLDrawable dummyDrawable = null; - GLContextImpl dummyContext = null; - WGLExt dummyWGLExt = null; - if (capabilities.getSampleBuffers()) { - dummyDrawable = new WindowsDummyGLDrawable(); - dummyContext = (GLContextImpl) dummyDrawable.createContext(null); - if (dummyContext != null) { - dummyContext.makeCurrent(); - dummyWGLExt = (WGLExt) dummyContext.getPlatformGLExtensions(); - } - } - int recommendedPixelFormat = -1; - boolean haveWGLChoosePixelFormatARB = false; - boolean haveWGLARBMultisample = false; - boolean gotAvailableCaps = false; - if (dummyWGLExt != null) { - try { - haveWGLChoosePixelFormatARB = dummyWGLExt.isExtensionAvailable("WGL_ARB_pixel_format"); - if (haveWGLChoosePixelFormatARB) { - haveWGLARBMultisample = dummyWGLExt.isExtensionAvailable("WGL_ARB_multisample"); - - int[] iattributes = new int [2 * MAX_ATTRIBS]; - int[] iresults = new int [2 * MAX_ATTRIBS]; - float[] fattributes = new float[1]; - - if (glCapabilities2iattributes(capabilities, - iattributes, - dummyWGLExt, - false, - null)) { - int[] pformats = new int[MAX_PFORMATS]; - int[] numFormatsTmp = new int[1]; - if (dummyWGLExt.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) - int niattribs = 0; - iattributes[0] = WGLExt.WGL_NUMBER_PIXEL_FORMATS_ARB; - if (dummyWGLExt.wglGetPixelFormatAttribivARB(hdc, 0, 0, 1, iattributes, 0, iresults, 0)) { - numFormats = iresults[0]; - - if (DEBUG) { - System.err.println("wglGetPixelFormatAttribivARB reported WGL_NUMBER_PIXEL_FORMATS_ARB = " + numFormats); - } - - // 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++] = WGLExt.WGL_DRAW_TO_WINDOW_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCELERATION_ARB; - iattributes[niattribs++] = WGLExt.WGL_SUPPORT_OPENGL_ARB; - iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; - iattributes[niattribs++] = WGLExt.WGL_STEREO_ARB; - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_RED_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_GREEN_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BLUE_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_ALPHA_BITS_ARB; - if (haveWGLARBMultisample) { - iattributes[niattribs++] = WGLExt.WGL_SAMPLE_BUFFERS_ARB; - iattributes[niattribs++] = WGLExt.WGL_SAMPLES_ARB; - } - - availableCaps = new GLCapabilities[numFormats]; - for (int i = 0; i < numFormats; i++) { - if (!dummyWGLExt.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, niattribs, iresults, true); - } - gotAvailableCaps = true; - } else { - long 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"); - } - } - 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); - } - } - - // NOTE: officially, should make a copy of all of these - // GLCapabilities to avoid mutation by the end user during the - // chooseCapabilities call, but for the time being, assume they - // won't be changed - - // 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]); - } - chosenCaps = 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)) { - long 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 " + toHexString(hdc) + ") returns " + WGL.GetPixelFormat(hdc)); - } - throw new GLException("Unable to set pixel format " + pixelFormat + " for device context " + toHexString(hdc) + ": error code " + lastError); - } - // Reuse the previously-constructed GLCapabilities because it - // turns out that using DescribePixelFormat on some pixel formats - // (which, for example, support full-scene antialiasing) for some - // reason return that they are not OpenGL-capable - if (chosenCaps != null) { - setChosenGLCapabilities(chosenCaps); - } else { - setChosenGLCapabilities(pfd2GLCapabilities(pfd)); - } - pixelFormatChosen = true; - } - - protected 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; - } - if (caps.getStereo()) { - pfdFlags |= WGL.PFD_STEREO; - } - 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; - } - - protected static PIXELFORMATDESCRIPTOR newPixelFormatDescriptor() { - PIXELFORMATDESCRIPTOR pfd = PIXELFORMATDESCRIPTOR.create(); - pfd.nSize((short) pfd.size()); - pfd.nVersion((short) 1); - return pfd; - } - - protected 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; - } - - protected static boolean glCapabilities2iattributes(GLCapabilities capabilities, - int[] iattributes, - WGLExt wglExt, - boolean pbuffer, - int[] floatMode) throws GLException { - if (!wglExt.isExtensionAvailable("WGL_ARB_pixel_format")) { - return false; - } - - int niattribs = 0; - - iattributes[niattribs++] = WGLExt.WGL_SUPPORT_OPENGL_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - if (pbuffer) { - iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_PBUFFER_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_WINDOW_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - } - - iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; - if (capabilities.getDoubleBuffered()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - - iattributes[niattribs++] = WGLExt.WGL_STEREO_ARB; - if (capabilities.getStereo()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - - iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[niattribs++] = capabilities.getDepthBits(); - iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; - iattributes[niattribs++] = capabilities.getRedBits(); - iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[niattribs++] = capabilities.getGreenBits(); - iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[niattribs++] = capabilities.getBlueBits(); - iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[niattribs++] = capabilities.getAlphaBits(); - iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; - iattributes[niattribs++] = capabilities.getStencilBits(); - if (capabilities.getAccumRedBits() > 0 || - capabilities.getAccumGreenBits() > 0 || - capabilities.getAccumBlueBits() > 0 || - capabilities.getAccumAlphaBits() > 0) { - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BITS_ARB; - iattributes[niattribs++] = (capabilities.getAccumRedBits() + - capabilities.getAccumGreenBits() + - capabilities.getAccumBlueBits() + - capabilities.getAccumAlphaBits()); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_RED_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumRedBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_GREEN_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumGreenBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BLUE_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumBlueBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_ALPHA_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumAlphaBits(); - } - - if (wglExt.isExtensionAvailable("WGL_ARB_multisample")) { - if (capabilities.getSampleBuffers()) { - iattributes[niattribs++] = WGLExt.WGL_SAMPLE_BUFFERS_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - iattributes[niattribs++] = WGLExt.WGL_SAMPLES_ARB; - iattributes[niattribs++] = capabilities.getNumSamples(); - } - } - - boolean rtt = capabilities.getPbufferRenderToTexture(); - boolean rect = capabilities.getPbufferRenderToTextureRectangle(); - boolean useFloat = capabilities.getPbufferFloatingPointBuffers(); - boolean ati = false; - if (pbuffer) { - // Check some invariants and set up some state - if (rect && !rtt) { - throw new GLException("Render-to-texture-rectangle requires render-to-texture to be specified"); - } - - if (rect) { - if (!wglExt.isExtensionAvailable("GL_NV_texture_rectangle")) { - throw new GLException("Render-to-texture-rectangle requires GL_NV_texture_rectangle extension"); - } - } - - if (useFloat) { - if (!wglExt.isExtensionAvailable("WGL_ATI_pixel_format_float") && - !wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { - throw new GLException("Floating-point pbuffers not supported by this hardware"); - } - - // Prefer NVidia extension over ATI - if (wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { - ati = false; - floatMode[0] = GLPbuffer.NV_FLOAT; - } else { - ati = true; - floatMode[0] = GLPbuffer.ATI_FLOAT; - } - if (DEBUG) { - System.err.println("Using " + (ati ? "ATI" : "NVidia") + " floating-point extension"); - } - } - - // See whether we need to change the pixel type to support ATI's - // floating-point pbuffers - if (useFloat && ati) { - if (rtt) { - throw new GLException("Render-to-floating-point-texture not supported on ATI hardware"); - } else { - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_FLOAT_ATI; - } - } else { - if (!rtt) { - // Currently we don't support non-truecolor visuals in the - // GLCapabilities, so we don't offer the option of making - // color-index pbuffers. - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; - } - } - - if (useFloat && !ati) { - iattributes[niattribs++] = WGLExt.WGL_FLOAT_COMPONENTS_NV; - iattributes[niattribs++] = GL.GL_TRUE; - } - - if (rtt) { - if (useFloat) { - assert(!ati); - if (!rect) { - throw new GLException("Render-to-floating-point-texture only supported on NVidia hardware with render-to-texture-rectangle"); - } - iattributes[niattribs++] = WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV; - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = rect ? WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV : WGLExt.WGL_BIND_TO_TEXTURE_RGB_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - } - } - } else { - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; - } - - return true; - } - - protected static GLCapabilities iattributes2GLCapabilities(int[] iattribs, - int niattribs, - int[] iresults, - boolean requireRenderToWindow) { - GLCapabilities res = new GLCapabilities(); - for (int i = 0; i < niattribs; i++) { - int attr = iattribs[i]; - switch (attr) { - case WGLExt.WGL_DRAW_TO_WINDOW_ARB: - if (requireRenderToWindow && iresults[i] != GL.GL_TRUE) - return null; - break; - - case WGLExt.WGL_DRAW_TO_PBUFFER_ARB: - break; - - case WGLExt.WGL_ACCELERATION_ARB: - res.setHardwareAccelerated(iresults[i] == WGLExt.WGL_FULL_ACCELERATION_ARB); - break; - - case WGLExt.WGL_SUPPORT_OPENGL_ARB: - if (iresults[i] != GL.GL_TRUE) - return null; - break; - - case WGLExt.WGL_DEPTH_BITS_ARB: - res.setDepthBits(iresults[i]); - break; - - case WGLExt.WGL_STENCIL_BITS_ARB: - res.setStencilBits(iresults[i]); - break; - - case WGLExt.WGL_DOUBLE_BUFFER_ARB: - res.setDoubleBuffered(iresults[i] == GL.GL_TRUE); - break; - - case WGLExt.WGL_STEREO_ARB: - res.setStereo(iresults[i] == GL.GL_TRUE); - break; - - case WGLExt.WGL_PIXEL_TYPE_ARB: - // Fail softly with unknown results here - if (iresults[i] == WGLExt.WGL_TYPE_RGBA_ARB || - iresults[i] == WGLExt.WGL_TYPE_RGBA_FLOAT_ATI) { - res.setPbufferFloatingPointBuffers(true); - } - break; - - case WGLExt.WGL_FLOAT_COMPONENTS_NV: - if (iresults[i] != 0) { - res.setPbufferFloatingPointBuffers(true); - } - break; - - case WGLExt.WGL_RED_BITS_ARB: - res.setRedBits(iresults[i]); - break; - - case WGLExt.WGL_GREEN_BITS_ARB: - res.setGreenBits(iresults[i]); - break; - - case WGLExt.WGL_BLUE_BITS_ARB: - res.setBlueBits(iresults[i]); - break; - - case WGLExt.WGL_ALPHA_BITS_ARB: - res.setAlphaBits(iresults[i]); - break; - - case WGLExt.WGL_ACCUM_RED_BITS_ARB: - res.setAccumRedBits(iresults[i]); - break; - - case WGLExt.WGL_ACCUM_GREEN_BITS_ARB: - res.setAccumGreenBits(iresults[i]); - break; - - case WGLExt.WGL_ACCUM_BLUE_BITS_ARB: - res.setAccumBlueBits(iresults[i]); - break; - - case WGLExt.WGL_ACCUM_ALPHA_BITS_ARB: - res.setAccumAlphaBits(iresults[i]); - break; - - case WGLExt.WGL_SAMPLE_BUFFERS_ARB: - res.setSampleBuffers(iresults[i] != 0); - break; - - case WGLExt.WGL_SAMPLES_ARB: - res.setNumSamples(iresults[i]); - break; - - default: - throw new GLException("Unknown pixel format attribute " + iattribs[i]); - } - } - return res; - } - - protected static String getThreadName() { - return Thread.currentThread().getName(); - } -} |