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105 lines
4.0 KiB
Mathematica
105 lines
4.0 KiB
Mathematica
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Cocoa/NSOpenGL
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// API Version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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//========================================================================
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// Check whether the display mode should be included in enumeration
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//========================================================================
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static BOOL modeIsGood(NSDictionary* mode)
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{
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// This is a bit controversial, if you've got something other than an
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// LCD computer monitor as an output device you might not want these
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// checks. You might also want to reject modes which are interlaced,
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// or TV out. There is no one-size-fits-all policy that can work here.
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// This seems like a decent compromise, but certain applications may
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// wish to patch this...
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return [[mode objectForKey:(id)kCGDisplayBitsPerPixel] intValue] >= 15 &&
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[mode objectForKey:(id)kCGDisplayModeIsSafeForHardware] != nil &&
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[mode objectForKey:(id)kCGDisplayModeIsStretched] == nil;
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}
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//========================================================================
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// Convert Core Graphics display mode to GLFW video mode
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//========================================================================
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static GLFWvidmode vidmodeFromCGDisplayMode(NSDictionary* mode)
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{
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unsigned int width =
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[[mode objectForKey:(id)kCGDisplayWidth] unsignedIntValue];
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unsigned int height =
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[[mode objectForKey:(id)kCGDisplayHeight] unsignedIntValue];
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unsigned int bps =
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[[mode objectForKey:(id)kCGDisplayBitsPerSample] unsignedIntValue];
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GLFWvidmode result;
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result.width = width;
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result.height = height;
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result.redBits = bps;
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result.greenBits = bps;
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result.blueBits = bps;
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return result;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// Get a list of available video modes
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//========================================================================
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int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount)
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{
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NSArray* modes = (NSArray*) CGDisplayAvailableModes(CGMainDisplayID());
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unsigned int i, j = 0, n = [modes count];
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for (i = 0; i < n && j < (unsigned)maxcount; i++)
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{
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NSDictionary *mode = [modes objectAtIndex:i];
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if (modeIsGood(mode))
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list[j++] = vidmodeFromCGDisplayMode(mode);
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}
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return j;
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}
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//========================================================================
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// Get the desktop video mode
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//========================================================================
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void _glfwPlatformGetDesktopMode(GLFWvidmode *mode)
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{
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*mode = vidmodeFromCGDisplayMode(_glfwLibrary.NS.desktopMode);
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}
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