[5] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2005 The OGRE Team |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | ----------------------------------------------------------------------------- |
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| 24 | */ |
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| 25 | |
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| 26 | #include "OgreOSXCocoaWindow.h" |
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| 27 | #include "OgreRoot.h" |
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| 28 | #include "OgreRenderSystem.h" |
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| 29 | #include "OgreImageCodec.h" |
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| 30 | #include "OgreException.h" |
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| 31 | #include "OgreLogManager.h" |
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| 32 | #include "OgreStringConverter.h" |
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| 33 | |
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| 34 | #include "OgreGLRenderSystem.h" |
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| 35 | #include "OgreOSXCocoaContext.h" |
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| 36 | #include "OgreOSXCGLContext.h" |
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| 37 | |
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| 38 | #include <OpenGL/gl.h> |
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| 39 | #define GL_EXT_texture_env_combine 1 |
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| 40 | #include <OpenGL/glext.h> |
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| 41 | #include <OpenGL/glu.h> |
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| 42 | |
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| 43 | namespace Ogre { |
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| 44 | |
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| 45 | OSXCocoaWindow::OSXCocoaWindow() |
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| 46 | { |
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| 47 | mActive = false; |
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| 48 | mContext = 0; |
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| 49 | mWindow = 0; |
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| 50 | } |
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| 51 | |
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| 52 | OSXCocoaWindow::~OSXCocoaWindow() |
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| 53 | { |
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| 54 | [glContext clearDrawable]; |
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| 55 | CGReleaseAllDisplays(); |
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| 56 | //[mWindow close]; |
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| 57 | //[mWindow release]; |
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| 58 | } |
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| 59 | |
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| 60 | void OSXCocoaWindow::create(const String& name, unsigned int width, unsigned int height, |
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| 61 | bool fullScreen, const NameValuePairList *miscParams) |
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| 62 | { |
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| 63 | NSAutoreleasePool *arp = [[NSAutoreleasePool alloc] init]; |
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| 64 | NSApplicationLoad(); |
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| 65 | //OgreWindowDelegate *delegate = [[OgreWindowDelegate alloc] initWithGLOSXCocoaWindow:this]; |
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| 66 | //[window setDelegate:delegate]; |
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| 67 | /* |
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| 68 | ***Key: "title" Description: The title of the window that will appear in the title bar Values: string Default: RenderTarget name |
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| 69 | |
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| 70 | Key: "colourDepth" Description: Colour depth of the resulting rendering window; only applies if fullScreen is set. Values: 16 or 32 Default: desktop depth Notes: [W32 specific] |
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| 71 | |
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| 72 | ***Key: "left" Description: screen x coordinate from left Values: positive integers Default: 'center window on screen' Notes: Ignored in case of full screen |
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| 73 | |
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| 74 | ***Key: "top" Description: screen y coordinate from top Values: positive integers Default: 'center window on screen' Notes: Ignored in case of full screen |
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| 75 | |
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| 76 | ***Key: "depthBuffer" [DX9 specific] Description: Use depth buffer Values: false or true Default: true |
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| 77 | |
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| 78 | ***Key: "externalWindowHandle" [API specific] Description: External window handle, for embedding the OGRE context Values: positive integer for W32 (HWND handle) poslong:posint:poslong (display*:screen:windowHandle) or poslong:posint:poslong:poslong (display*:screen:windowHandle:XVisualInfo*) for GLX Default: 0 (None) |
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| 79 | |
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| 80 | ***Key: "FSAA" Description: Full screen antialiasing factor Values: 0,2,4,6,... Default: 0 |
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| 81 | |
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| 82 | Key: "displayFrequency" Description: Display frequency rate, for fullscreen mode Values: 60...? Default: Desktop vsync rate |
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| 83 | |
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| 84 | Key: "vsync" Description: Synchronize buffer swaps to vsync Values: true, false Default: 0 |
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| 85 | */ |
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| 86 | |
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| 87 | BOOL hasDepthBuffer = YES; |
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| 88 | int fsaa_samples = 0; |
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| 89 | NSString *windowTitle = [NSString stringWithCString:name.c_str()]; |
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| 90 | int winx = 0, winy = 0; |
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| 91 | int depth = 32; |
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| 92 | |
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| 93 | if(miscParams) |
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| 94 | { |
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| 95 | NameValuePairList::const_iterator opt = 0; |
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| 96 | |
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| 97 | opt = miscParams->find("title"); |
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| 98 | if(opt != miscParams->end()) |
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| 99 | windowTitle = [NSString stringWithCString:opt->second.c_str()]; |
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| 100 | |
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| 101 | opt = miscParams->find("left"); |
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| 102 | if(opt != miscParams->end()) |
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| 103 | winx = StringConverter::parseUnsignedInt(opt->second); |
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| 104 | |
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| 105 | opt = miscParams->find("top"); |
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| 106 | if(opt != miscParams->end()) |
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| 107 | winy = NSHeight([[NSScreen mainScreen] frame]) - StringConverter::parseUnsignedInt(opt->second) - height; |
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| 108 | |
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| 109 | |
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| 110 | opt = miscParams->find("depthBuffer"); |
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| 111 | if(opt != miscParams->end()) |
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| 112 | hasDepthBuffer = StringConverter::parseBool(opt->second); |
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| 113 | |
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| 114 | opt = miscParams->find("FSAA"); |
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| 115 | if(opt != miscParams->end()) |
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| 116 | fsaa_samples = StringConverter::parseUnsignedInt(opt->second); |
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| 117 | |
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| 118 | opt = miscParams->find( "colourDepth" ); |
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| 119 | if( opt != miscParams->end() ) |
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| 120 | depth = StringConverter::parseUnsignedInt( opt->second ); |
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| 121 | } |
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| 122 | |
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| 123 | |
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| 124 | NSOpenGLPixelFormat* openglFormat; |
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| 125 | { |
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| 126 | NSOpenGLPixelFormatAttribute attribs[30]; |
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| 127 | int i=0; |
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| 128 | |
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| 129 | if(fullScreen) |
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| 130 | { |
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| 131 | GLRenderSystem *rs = static_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem()); |
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| 132 | OSXContext *mainContext = (OSXContext*)rs->_getMainContext(); |
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| 133 | |
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| 134 | CGLContextObj share = NULL; |
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| 135 | if(mainContext == 0) |
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| 136 | { |
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| 137 | share = NULL; |
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| 138 | } |
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| 139 | else if(mainContext->getContextType() == "NSOpenGL") |
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| 140 | { |
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| 141 | OSXCocoaContext* cocoaContext = static_cast<OSXCocoaContext*>(mainContext); |
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| 142 | NSOpenGLContext* nsShare = cocoaContext->getContext(); |
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| 143 | share = (CGLContextObj)[nsShare CGLContextObj]; |
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| 144 | } |
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| 145 | else if(mainContext->getContextType() == "CGL") |
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| 146 | { |
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| 147 | OSXCGLContext* cglShare = static_cast<OSXCGLContext*>(mainContext); |
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| 148 | share = cglShare->getContext(); |
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| 149 | } |
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| 150 | |
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| 151 | // create the context |
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| 152 | createCGLFullscreen(width, height, depth, fsaa_samples, share); |
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| 153 | } |
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| 154 | else |
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| 155 | { |
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| 156 | // Specifying "NoRecovery" gives us a context that cannot fall back to the software renderer. This makes the View-based context a compatible with the fullscreen context, enabling us to use the "shareContext" feature to share textures, display lists, and other OpenGL objects between the two. |
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| 157 | attribs[i++] = NSOpenGLPFANoRecovery; |
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| 158 | |
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| 159 | attribs[i++] = NSOpenGLPFAAccelerated; |
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| 160 | attribs[i++] = NSOpenGLPFADoubleBuffer; |
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| 161 | |
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| 162 | attribs[i++] = NSOpenGLPFAAlphaSize; |
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| 163 | attribs[i++] = (NSOpenGLPixelFormatAttribute) 0; |
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| 164 | |
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| 165 | attribs[i++] = NSOpenGLPFAStencilSize; |
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| 166 | attribs[i++] = (NSOpenGLPixelFormatAttribute) 1; |
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| 167 | |
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| 168 | attribs[i++] = NSOpenGLPFAAccumSize; |
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| 169 | attribs[i++] = (NSOpenGLPixelFormatAttribute) 0; |
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| 170 | |
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| 171 | attribs[i++] = NSOpenGLPFADepthSize; |
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| 172 | attribs[i++] = (NSOpenGLPixelFormatAttribute) (hasDepthBuffer? 16 : 0); |
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| 173 | |
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| 174 | if(fsaa_samples > 0) |
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| 175 | { |
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| 176 | attribs[i++] = NSOpenGLPFASampleBuffers; |
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| 177 | attribs[i++] = (NSOpenGLPixelFormatAttribute) 1; |
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| 178 | |
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| 179 | attribs[i++] = NSOpenGLPFASamples; |
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| 180 | attribs[i++] = (NSOpenGLPixelFormatAttribute) fsaa_samples; |
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| 181 | } |
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| 182 | |
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| 183 | attribs[i++] = (NSOpenGLPixelFormatAttribute) 0; |
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| 184 | |
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| 185 | openglFormat = [[[NSOpenGLPixelFormat alloc] initWithAttributes: attribs] autorelease]; |
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| 186 | } |
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| 187 | |
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| 188 | NameValuePairList::const_iterator opt2 = 0; |
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| 189 | if(miscParams) |
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| 190 | { |
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| 191 | opt2 = miscParams->find("pixelFormat"); |
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| 192 | if(opt2 != miscParams->end()) |
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| 193 | openglFormat = [[[NSOpenGLPixelFormat alloc] initWithAttributes: (NSOpenGLPixelFormatAttribute*)StringConverter::parseUnsignedLong(opt2->second)] autorelease]; |
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| 194 | } |
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| 195 | GLRenderSystem *rs = static_cast<GLRenderSystem*>(Root::getSingleton().getRenderSystem()); |
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| 196 | OSXCocoaContext *mainContext = (OSXCocoaContext*)rs->_getMainContext(); |
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| 197 | NSOpenGLContext *shareContext = mainContext == 0? nil : mainContext->getContext(); |
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| 198 | |
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| 199 | glContext = [[NSOpenGLContext alloc] initWithFormat: openglFormat shareContext:shareContext]; |
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| 200 | |
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| 201 | NameValuePairList::const_iterator opt = 0; |
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| 202 | if(miscParams) |
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| 203 | opt = miscParams->find("externalWindowHandle"); |
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| 204 | if(!miscParams || opt == miscParams->end()) |
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| 205 | { |
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| 206 | //Not sure why this should be but it is required for the window to work at fullscreen. |
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| 207 | int styleMask = fullScreen? NSBorderlessWindowMask : NSResizableWindowMask; |
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| 208 | |
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| 209 | mWindow = [[OgreWindow alloc] initWithContentRect:NSMakeRect(winx, winy, width, height) styleMask:styleMask backing:NSBackingStoreBuffered defer:NO]; |
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| 210 | [mWindow setTitle:windowTitle]; |
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| 211 | |
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| 212 | if(winx == 0 && winy == 0) [mWindow center]; |
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| 213 | |
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| 214 | mView = [[OgreView alloc] initWithGLOSXWindow:this]; |
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| 215 | [mWindow setContentView:mView]; |
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| 216 | } |
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| 217 | else |
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| 218 | { |
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| 219 | mView = (OgreView*)StringConverter::parseUnsignedLong(opt->second); |
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| 220 | [mView setOgreWindow:this]; |
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| 221 | |
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| 222 | NSRect b = [mView bounds]; |
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| 223 | width = b.size.width; |
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| 224 | height = b.size.height; |
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| 225 | } |
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| 226 | |
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| 227 | [glContext setView:mView]; |
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| 228 | |
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| 229 | mName = name; |
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| 230 | mWidth = width; |
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| 231 | mHeight = height; |
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| 232 | |
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| 233 | // Create register the context with the rendersystem and associate it with this window |
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| 234 | mContext = new OSXCocoaContext(glContext); |
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| 235 | /*rs->_registerContext(this, newContext); |
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| 236 | |
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| 237 | if (rs->_getMainContext() == 0) |
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| 238 | [glContext makeCurrentContext]; |
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| 239 | */ |
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| 240 | //show window |
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| 241 | if(mWindow) |
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| 242 | [mWindow performSelectorOnMainThread:@selector(makeKeyAndOrderFront:) withObject:NULL waitUntilDone:NO]; |
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| 243 | |
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| 244 | [arp release]; |
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| 245 | } |
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| 246 | |
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| 247 | // make active |
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| 248 | mActive = true; |
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| 249 | } |
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| 250 | |
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| 251 | void OSXCocoaWindow::destroy(void) |
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| 252 | { |
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| 253 | if(mIsFullScreen) |
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| 254 | destroyCGLFullscreen(); |
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| 255 | |
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| 256 | // Unregister and destroy OGRE GLContext |
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| 257 | delete mContext; |
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| 258 | |
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| 259 | if(mWindow) [mWindow close]; |
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| 260 | |
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| 261 | mActive = false; |
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| 262 | |
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| 263 | Root::getSingleton().getRenderSystem()->detachRenderTarget( this->getName() ); |
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| 264 | } |
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| 265 | |
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| 266 | /*OgreView* OSXCocoaWindow::ogreView() const |
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| 267 | { |
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| 268 | return [window contentView]; |
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| 269 | }*/ |
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| 270 | |
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| 271 | bool OSXCocoaWindow::isActive() const |
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| 272 | { |
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| 273 | return mActive; |
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| 274 | } |
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| 275 | |
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| 276 | bool OSXCocoaWindow::isClosed() const |
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| 277 | { |
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| 278 | return false; |
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| 279 | } |
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| 280 | |
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| 281 | void OSXCocoaWindow::reposition(int left, int top) |
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| 282 | { |
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| 283 | if(!mWindow) return; |
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| 284 | |
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| 285 | NSRect frame = [mWindow frame]; |
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| 286 | frame.origin.x = left; |
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| 287 | frame.origin.y = top-frame.size.height; |
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| 288 | [mWindow setFrame:frame display:YES]; |
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| 289 | } |
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| 290 | |
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| 291 | void OSXCocoaWindow::resize(unsigned int width, unsigned int height) |
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| 292 | { |
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| 293 | if(!mWindow) return; |
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| 294 | |
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| 295 | NSRect frame = [mWindow frame]; |
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| 296 | frame.size.width = width; |
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| 297 | frame.size.height = height; |
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| 298 | [mWindow setFrame:frame display:YES]; |
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| 299 | /*SHOULD be called from delegate |
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| 300 | for (ViewportList::iterator it = mViewportList.begin(); it != mViewportList.end(); ++it) |
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| 301 | { |
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| 302 | (*it).second->_updateDimensions(); |
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| 303 | }*/ |
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| 304 | } |
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| 305 | |
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| 306 | void OSXCocoaWindow::windowMovedOrResized() |
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| 307 | { |
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| 308 | [glContext update]; |
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| 309 | NSRect frame = [mView frame]; |
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| 310 | mWidth = (unsigned int)frame.size.width; |
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| 311 | mHeight = (unsigned int)frame.size.height; |
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| 312 | mLeft = (int)frame.origin.x; |
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| 313 | mTop = (int)frame.origin.y+(unsigned int)frame.size.height; |
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| 314 | |
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| 315 | for (ViewportList::iterator it = mViewportList.begin(); it != mViewportList.end(); ++it) |
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| 316 | { |
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| 317 | (*it).second->_updateDimensions(); |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | void OSXCocoaWindow::swapBuffers(bool waitForVSync) |
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| 322 | { |
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| 323 | if(!mIsFullScreen) |
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| 324 | [glContext flushBuffer]; |
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| 325 | else |
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| 326 | swapCGLBuffers(); |
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| 327 | |
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| 328 | /*if(![[[NSRunLoop currentRunLoop] currentMode] isEqualTo:NSEventTrackingRunLoopMode]) |
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| 329 | { |
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| 330 | NSEvent *e = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantPast] inMode:NSDefaultRunLoopMode dequeue:YES]; |
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| 331 | if(e) |
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| 332 | [NSApp sendEvent:e]; |
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| 333 | }*/ |
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| 334 | } |
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| 335 | |
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| 336 | //-------------------------------------------------------------------------------------------------// |
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| 337 | void OSXCocoaWindow::getCustomAttribute( const String& name, void* pData ) |
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| 338 | { |
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| 339 | if( name == "GLCONTEXT" ) |
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| 340 | { |
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| 341 | *static_cast<OSXContext**>(pData) = mContext; |
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| 342 | return; |
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| 343 | } |
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| 344 | } |
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| 345 | } |
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