/* * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. * Copyright (c) 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: * * - 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 jogamp.opengl.windows.wgl; import java.nio.ByteBuffer; import java.util.HashMap; import java.util.Map; import javax.media.nativewindow.AbstractGraphicsConfiguration; import javax.media.nativewindow.AbstractGraphicsDevice; import javax.media.nativewindow.NativeSurface; import javax.media.opengl.GLContext; import javax.media.opengl.GLException; import javax.media.opengl.GLCapabilitiesImmutable; import com.jogamp.gluegen.runtime.ProcAddressTable; import com.jogamp.gluegen.runtime.opengl.GLProcAddressResolver; import jogamp.nativewindow.windows.GDI; import jogamp.opengl.GLContextImpl; import jogamp.opengl.GLDrawableImpl; public class WindowsWGLContext extends GLContextImpl { static final Map functionNameMap; static final Map extensionNameMap; private boolean wglGetExtensionsStringEXTInitialized; private boolean wglGetExtensionsStringEXTAvailable; private boolean wglGLReadDrawableAvailableSet; private boolean wglGLReadDrawableAvailable; private WGLExt _wglExt; // Table that holds the addresses of the native C-language entry points for // WGL extension functions. private WGLExtProcAddressTable wglExtProcAddressTable; private int hasSwapIntervalSGI = 0; private int hasSwapGroupNV = 0; static { functionNameMap = new HashMap(); functionNameMap.put("glAllocateMemoryNV", "wglAllocateMemoryNV"); functionNameMap.put("glFreeMemoryNV", "wglFreeMemoryNV"); extensionNameMap = new HashMap(); extensionNameMap.put("GL_ARB_pbuffer", "WGL_ARB_pbuffer"); extensionNameMap.put("GL_ARB_pixel_format", "WGL_ARB_pixel_format"); } // FIXME: figure out how to hook back in the Java 2D / JOGL bridge WindowsWGLContext(GLDrawableImpl drawable, GLContext shareWith) { super(drawable, shareWith); } @Override protected void resetStates() { wglGetExtensionsStringEXTInitialized=false; wglGetExtensionsStringEXTAvailable=false; wglGLReadDrawableAvailableSet=false; wglGLReadDrawableAvailable=false; // no inner state _wglExt=null; wglExtProcAddressTable=null; hasSwapIntervalSGI = 0; hasSwapGroupNV = 0; super.resetStates(); } public Object getPlatformGLExtensions() { return getWGLExt(); } /* package private */ final WGLExt getWGLExt() { if( null == getWGLExtProcAddressTable()) { throw new InternalError("Null WGLExtProcAddressTable"); } if (_wglExt == null) { _wglExt = new WGLExtImpl(this); } return _wglExt; } public final boolean isGLReadDrawableAvailable() { if(!wglGLReadDrawableAvailableSet && null != getWGLExtProcAddressTable()) { WindowsWGLDrawableFactory factory = (WindowsWGLDrawableFactory)drawable.getFactoryImpl(); AbstractGraphicsConfiguration config = drawable.getNativeSurface().getGraphicsConfiguration(); AbstractGraphicsDevice device = config.getScreen().getDevice(); switch( factory.isReadDrawableAvailable(device) ) { case 1: wglGLReadDrawableAvailable = true; wglGLReadDrawableAvailableSet=true; break; case 0: wglGLReadDrawableAvailable = false; wglGLReadDrawableAvailableSet=true; break; } } return wglGLReadDrawableAvailable; } private final boolean wglMakeContextCurrent(long hDrawDC, long hReadDC, long ctx) { boolean ok = false; if(wglGLReadDrawableAvailable) { // needs initilized WGL ProcAddress table ok = getWGLExt().wglMakeContextCurrent(hDrawDC, hReadDC, ctx); } else if ( hDrawDC == hReadDC ) { ok = WGL.wglMakeCurrent(hDrawDC, ctx); } else { // should not happen due to 'isGLReadDrawableAvailable()' query in GLContextImpl throw new InternalError("Given readDrawable but no driver support"); } int werr = ( !ok ) ? GDI.GetLastError() : GDI.ERROR_SUCCESS; if(DEBUG && !ok) { Throwable t = new Throwable ("Info: wglMakeContextCurrent draw "+ GLContext.toHexString(hDrawDC) + ", read " + GLContext.toHexString(hReadDC) + ", ctx " + GLContext.toHexString(ctx) + ", werr " + werr); t.printStackTrace(); } if(!ok && 0==hDrawDC && 0==hReadDC) { // Some GPU's falsely fails with a zero error code (success), // in case this is a release context request we tolerate this return werr == GDI.ERROR_SUCCESS ; } return ok; } public final ProcAddressTable getPlatformExtProcAddressTable() { return getWGLExtProcAddressTable(); } public final WGLExtProcAddressTable getWGLExtProcAddressTable() { return wglExtProcAddressTable; } protected Map getFunctionNameMap() { return functionNameMap; } protected Map getExtensionNameMap() { return extensionNameMap; } protected void destroyContextARBImpl(long context) { WGL.wglMakeCurrent(0, 0); WGL.wglDeleteContext(context); } protected long createContextARBImpl(long share, boolean direct, int ctp, int major, int minor) { if( null == getWGLExtProcAddressTable()) { updateGLXProcAddressTable(); } WGLExt _wglExt = getWGLExt(); if(DEBUG) { System.err.println(getThreadName()+" - WindowWGLContext.createContextARBImpl: "+getGLVersion(major, minor, ctp, "@creation") + ", handle "+toHexString(drawable.getHandle()) + ", share "+toHexString(share)+", direct "+direct+ ", wglCreateContextAttribsARB: "+toHexString(wglExtProcAddressTable._addressof_wglCreateContextAttribsARB)); Thread.dumpStack(); } boolean ctBwdCompat = 0 != ( CTX_PROFILE_COMPAT & ctp ) ; boolean ctFwdCompat = 0 != ( CTX_OPTION_FORWARD & ctp ) ; boolean ctDebug = 0 != ( CTX_OPTION_DEBUG & ctp ) ; long ctx=0; final int idx_flags = 4; final int idx_profile = 6; /* WGLExt.WGL_CONTEXT_LAYER_PLANE_ARB, WGLExt.WGL_CONTEXT_LAYER_PLANE_ARB, */ int attribs[] = { /* 0 */ WGLExt.WGL_CONTEXT_MAJOR_VERSION_ARB, major, /* 2 */ WGLExt.WGL_CONTEXT_MINOR_VERSION_ARB, minor, /* 4 */ WGLExt.WGL_CONTEXT_FLAGS_ARB, 0, /* 6 */ 0, 0, /* 8 */ 0 }; if ( major > 3 || major == 3 && minor >= 2 ) { // FIXME: Verify with a None drawable binding (default framebuffer) attribs[idx_profile+0] = WGLExt.WGL_CONTEXT_PROFILE_MASK_ARB; if( ctBwdCompat ) { attribs[idx_profile+1] = WGLExt.WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB; } else { attribs[idx_profile+1] = WGLExt.WGL_CONTEXT_CORE_PROFILE_BIT_ARB; } } if ( major >= 3 ) { if( !ctBwdCompat && ctFwdCompat ) { attribs[idx_flags+1] |= WGLExt.WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB; } if( ctDebug) { attribs[idx_flags+1] |= WGLExt.WGL_CONTEXT_DEBUG_BIT_ARB; } } try { ctx = _wglExt.wglCreateContextAttribsARB(drawable.getHandle(), share, attribs, 0); } catch (RuntimeException re) { if(DEBUG) { Throwable t = new Throwable("Info: WindowWGLContext.createContextARBImpl wglCreateContextAttribsARB failed with "+getGLVersion(major, minor, ctp, "@creation"), re); t.printStackTrace(); } } if(0!=ctx) { if (!wglMakeContextCurrent(drawable.getHandle(), drawableRead.getHandle(), ctx)) { if(DEBUG) { System.err.println("WindowsWGLContext.createContextARB couldn't make current "+getGLVersion(major, minor, ctp, "@creation")); } WGL.wglMakeCurrent(0, 0); WGL.wglDeleteContext(ctx); ctx = 0; } else if (DEBUG) { System.err.println(getThreadName() + ": createContextARBImpl: OK "+getGLVersion(major, minor, ctp, "@creation")+", share "+share+", direct "+direct); } } else if (DEBUG) { System.err.println(getThreadName() + ": createContextARBImpl: NO "+getGLVersion(major, minor, ctp, "@creation")); } return ctx; } /** * Creates and initializes an appropriate OpenGL context. Should only be * called by {@link #makeCurrentImpl()}. */ protected boolean createImpl(GLContextImpl shareWith) { AbstractGraphicsConfiguration config = drawable.getNativeSurface().getGraphicsConfiguration(); AbstractGraphicsDevice device = config.getScreen().getDevice(); WindowsWGLDrawableFactory factory = (WindowsWGLDrawableFactory)drawable.getFactoryImpl(); WindowsWGLContext sharedContext = (WindowsWGLContext) factory.getOrCreateSharedContextImpl(device); GLCapabilitiesImmutable glCaps = drawable.getChosenGLCapabilities(); isGLReadDrawableAvailable(); // trigger setup wglGLReadDrawableAvailable // Windows can set up sharing of display lists after creation time long share = 0; if (null != shareWith) { share = shareWith.getHandle(); if (share == 0) { throw new GLException("GLContextShareSet returned an invalid OpenGL context"); } } boolean createContextARBTried = false; // utilize the shared context's GLXExt in case it was using the ARB method and it already exists if( null!=sharedContext && sharedContext.isCreatedWithARBMethod() ) { contextHandle = createContextARB(share, true); createContextARBTried = true; if (DEBUG && 0!=contextHandle) { System.err.println(getThreadName() + ": createImpl: OK (ARB, using sharedContext) share "+share); } } long temp_ctx = 0; if(0==contextHandle) { // To use WGL_ARB_create_context, we have to make a temp context current, // so we are able to use GetProcAddress temp_ctx = WGL.wglCreateContext(drawable.getHandle()); if (temp_ctx == 0) { throw new GLException("Unable to create temp OpenGL context for device context " + toHexString(drawable.getHandle())); } if (!WGL.wglMakeCurrent(drawable.getHandle(), temp_ctx)) { throw new GLException("Error making temp context current: 0x" + toHexString(temp_ctx) + ", werr: "+GDI.GetLastError()); } setGLFunctionAvailability(true, true, 0, 0, CTX_PROFILE_COMPAT|CTX_OPTION_ANY); // use GL_VERSION boolean isCreateContextAttribsARBAvailable = isFunctionAvailable("wglCreateContextAttribsARB"); WGL.wglMakeCurrent(0, 0); // release temp context if( !createContextARBTried) { if(isCreateContextAttribsARBAvailable && isExtensionAvailable("WGL_ARB_create_context") ) { // initial ARB context creation contextHandle = createContextARB(share, true); createContextARBTried=true; if (DEBUG) { if(0!=contextHandle) { System.err.println(getThreadName() + ": createContextImpl: OK (ARB, initial) share "+share); } else { System.err.println(getThreadName() + ": createContextImpl: NOT OK (ARB, initial) - creation failed - share "+share); } } } else if (DEBUG) { System.err.println(getThreadName() + ": createContextImpl: NOT OK (ARB, initial) - extension not available - share "+share); } } } if(0!=contextHandle) { share = 0; // mark as shared thx to the ARB create method if(0!=temp_ctx) { WGL.wglMakeCurrent(0, 0); WGL.wglDeleteContext(temp_ctx); if (!wglMakeContextCurrent(drawable.getHandle(), drawableRead.getHandle(), contextHandle)) { throw new GLException("Cannot make previous verified context current: 0x" + toHexString(contextHandle) + ", werr: " + GDI.GetLastError()); } } } else { if(glCaps.getGLProfile().isGL3()) { WGL.wglMakeCurrent(0, 0); WGL.wglDeleteContext(temp_ctx); throw new GLException("WindowsWGLContext.createContext ctx !ARB, context > GL2 requested "+getGLVersion()); } if(DEBUG) { System.err.println("WindowsWGLContext.createContext failed, fall back to !ARB context "+getGLVersion()); } // continue with temp context for GL < 3.0 contextHandle = temp_ctx; if (!wglMakeContextCurrent(drawable.getHandle(), drawableRead.getHandle(), contextHandle)) { WGL.wglMakeCurrent(0, 0); WGL.wglDeleteContext(contextHandle); throw new GLException("Error making old context current: 0x" + toHexString(contextHandle) + ", werr: " + GDI.GetLastError()); } if(0!=share) { // Only utilize the classic GDI 'wglShareLists' shared context method // for traditional non ARB context. if (!WGL.wglShareLists(share, contextHandle)) { throw new GLException("wglShareLists(" + toHexString(share) + ", " + toHexString(contextHandle) + ") failed: werr " + GDI.GetLastError()); } } if (DEBUG) { System.err.println(getThreadName() + ": createImpl: OK (old) share "+share); } } return true; } protected void makeCurrentImpl() throws GLException { if (WGL.wglGetCurrentContext() != contextHandle) { if (!wglMakeContextCurrent(drawable.getHandle(), drawableRead.getHandle(), contextHandle)) { throw new GLException("Error making context current: 0x" + toHexString(contextHandle) + ", werr: " + GDI.GetLastError() + ", " + this); } } } protected void releaseImpl() throws GLException { if (!wglMakeContextCurrent(0, 0, 0)) { throw new GLException("Error freeing OpenGL context, werr: " + GDI.GetLastError()); } } protected void destroyImpl() throws GLException { WGL.wglMakeCurrent(0, 0); if (!WGL.wglDeleteContext(contextHandle)) { throw new GLException("Unable to delete OpenGL context"); } } protected void copyImpl(GLContext source, int mask) throws GLException { if (!WGL.wglCopyContext(source.getHandle(), getHandle(), mask)) { throw new GLException("wglCopyContext failed"); } } protected final void updateGLXProcAddressTable() { final AbstractGraphicsConfiguration aconfig = drawable.getNativeSurface().getGraphicsConfiguration(); final AbstractGraphicsDevice adevice = aconfig.getScreen().getDevice(); final String key = "WGL-"+adevice.getUniqueID(); if (DEBUG) { System.err.println(getThreadName() + ": !!! Initializing WGL extension address table: "+key); } wglGetExtensionsStringEXTInitialized=false; wglGetExtensionsStringEXTAvailable=false; wglGLReadDrawableAvailableSet=false; wglGLReadDrawableAvailable=false; ProcAddressTable table = null; synchronized(mappedContextTypeObjectLock) { table = mappedGLXProcAddress.get( key ); } if(null != table) { wglExtProcAddressTable = (WGLExtProcAddressTable) table; if(DEBUG) { System.err.println(getThreadName() + ": !!! GLContext WGL ProcAddressTable reusing key("+key+") -> "+table.hashCode()); } } else { if (wglExtProcAddressTable == null) { // FIXME: cache ProcAddressTables by OpenGL context type bits so we can // share them among contexts classes (GL4, GL4bc, GL3, GL3bc, ..) wglExtProcAddressTable = new WGLExtProcAddressTable(new GLProcAddressResolver()); } resetProcAddressTable(wglExtProcAddressTable); synchronized(mappedContextTypeObjectLock) { mappedGLXProcAddress.put(key, getWGLExtProcAddressTable()); if(DEBUG) { System.err.println(getThreadName() + ": !!! GLContext WGL ProcAddressTable mapping key("+key+") -> "+getWGLExtProcAddressTable().hashCode()); } } } } protected final StringBuffer getPlatformExtensionsStringImpl() { StringBuffer sb = new StringBuffer(); if (!wglGetExtensionsStringEXTInitialized) { wglGetExtensionsStringEXTAvailable = (WGL.wglGetProcAddress("wglGetExtensionsStringEXT") != 0); wglGetExtensionsStringEXTInitialized = true; } if (wglGetExtensionsStringEXTAvailable) { sb.append(getWGLExt().wglGetExtensionsStringEXT()); } return sb; } @Override protected void setSwapIntervalImpl(int interval) { WGLExt wglExt = getWGLExt(); if(0==hasSwapIntervalSGI) { try { hasSwapIntervalSGI = wglExt.isExtensionAvailable("WGL_EXT_swap_control")?1:-1; } catch (Throwable t) { hasSwapIntervalSGI=1; } } if (hasSwapIntervalSGI>0) { try { if ( wglExt.wglSwapIntervalEXT(interval) ) { currentSwapInterval = interval ; } } catch (Throwable t) { hasSwapIntervalSGI=-1; } } } private final int initSwapGroupImpl(WGLExt wglExt) { if(0==hasSwapGroupNV) { try { hasSwapGroupNV = wglExt.isExtensionAvailable("WGL_NV_swap_group")?1:-1; } catch (Throwable t) { hasSwapGroupNV=1; } if(DEBUG) { System.err.println("initSwapGroupImpl: hasSwapGroupNV: "+hasSwapGroupNV); } } return hasSwapGroupNV; } @Override protected final boolean queryMaxSwapGroupsImpl(int[] maxGroups, int maxGroups_offset, int[] maxBarriers, int maxBarriers_offset) { boolean res = false; WGLExt wglExt = getWGLExt(); if (initSwapGroupImpl(wglExt)>0) { final NativeSurface ns = drawable.getNativeSurface(); try { if( wglExt.wglQueryMaxSwapGroupsNV(ns.getDisplayHandle(), maxGroups, maxGroups_offset, maxBarriers, maxBarriers_offset) ) { res = true; } } catch (Throwable t) { hasSwapGroupNV=-1; } } return res; } @Override protected final boolean joinSwapGroupImpl(int group) { boolean res = false; WGLExt wglExt = getWGLExt(); if (initSwapGroupImpl(wglExt)>0) { try { if( wglExt.wglJoinSwapGroupNV(drawable.getHandle(), group) ) { currentSwapGroup = group; res = true; } } catch (Throwable t) { hasSwapGroupNV=-1; } } return res; } @Override protected final boolean bindSwapBarrierImpl(int group, int barrier) { boolean res = false; WGLExt wglExt = getWGLExt(); if (initSwapGroupImpl(wglExt)>0) { try { if( wglExt.wglBindSwapBarrierNV(group, barrier) ) { res = true; } } catch (Throwable t) { hasSwapGroupNV=-1; } } return res; } public ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) { return getWGLExt().wglAllocateMemoryNV(arg0, arg1, arg2, arg3); } public int getOffscreenContextPixelDataType() { throw new GLException("Should not call this"); } public int getOffscreenContextReadBuffer() { throw new GLException("Should not call this"); } public boolean offscreenImageNeedsVerticalFlip() { throw new GLException("Should not call this"); } public void bindPbufferToTexture() { throw new GLException("Should not call this"); } public void releasePbufferFromTexture() { throw new GLException("Should not call this"); } }