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Added Box2D

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This commit is contained in:
Julian Nießner
2018-05-06 12:43:20 +02:00
parent cb5469bb89
commit d175d433a8
351 changed files with 123545 additions and 1 deletions
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external/Box2D-2.3.1/Box2D/glfw/nsgl_context.m vendored Normal file
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//========================================================================
// GLFW 3.0 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <pthread.h>
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize OpenGL support
//
int _glfwInitContextAPI(void)
{
if (pthread_key_create(&_glfw.nsgl.current, NULL) != 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create context TLS");
return GL_FALSE;
}
_glfw.nsgl.framework =
CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
if (_glfw.nsgl.framework == NULL)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to locate OpenGL framework");
return GL_FALSE;
}
return GL_TRUE;
}
// Terminate OpenGL support
//
void _glfwTerminateContextAPI(void)
{
pthread_key_delete(_glfw.nsgl.current);
}
// Create the OpenGL context
//
int _glfwCreateContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
unsigned int attributeCount = 0;
// OS X needs non-zero color size, so set resonable values
int colorBits = fbconfig->redBits + fbconfig->greenBits + fbconfig->blueBits;
if (colorBits == 0)
colorBits = 24;
else if (colorBits < 15)
colorBits = 15;
if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: This API does not support OpenGL ES");
return GL_FALSE;
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (wndconfig->glMajor == 3 && wndconfig->glMinor < 2)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X does not "
"support OpenGL 3.0 or 3.1");
return GL_FALSE;
}
if (wndconfig->glMajor > 2)
{
if (!wndconfig->glForward)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X only "
"supports OpenGL 3.2 and later versions if they "
"are forward-compatible");
return GL_FALSE;
}
if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X only "
"supports OpenGL 3.2 and later versions if they "
"use the core profile");
return GL_FALSE;
}
}
#else
// Fail if OpenGL 3.0 or above was requested
if (wndconfig->glMajor > 2)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: The targeted version of OS X does not "
"support OpenGL version 3.0 or above");
return GL_FALSE;
}
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
// Fail if a robustness strategy was requested
if (wndconfig->glRobustness)
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"NSGL: OS X does not support OpenGL robustness "
"strategies");
return GL_FALSE;
}
#define ADD_ATTR(x) { attributes[attributeCount++] = x; }
#define ADD_ATTR2(x, y) { ADD_ATTR(x); ADD_ATTR(y); }
// Arbitrary array size here
NSOpenGLPixelFormatAttribute attributes[40];
ADD_ATTR(NSOpenGLPFADoubleBuffer);
ADD_ATTR(NSOpenGLPFAClosestPolicy);
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (wndconfig->glMajor > 2)
ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
if (fbconfig->alphaBits > 0)
ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
if (fbconfig->depthBits > 0)
ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits);
if (fbconfig->stencilBits > 0)
ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits);
int accumBits = fbconfig->accumRedBits + fbconfig->accumGreenBits +
fbconfig->accumBlueBits + fbconfig->accumAlphaBits;
if (accumBits > 0)
ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits);
if (fbconfig->auxBuffers > 0)
ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers);
if (fbconfig->stereo)
ADD_ATTR(NSOpenGLPFAStereo);
if (fbconfig->samples > 0)
{
ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
}
// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
// frambuffer, so there's no need (and no way) to request it
ADD_ATTR(0);
#undef ADD_ATTR
#undef ADD_ATTR2
window->nsgl.pixelFormat =
[[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
if (window->nsgl.pixelFormat == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create OpenGL pixel format");
return GL_FALSE;
}
NSOpenGLContext* share = NULL;
if (wndconfig->share)
share = wndconfig->share->nsgl.context;
window->nsgl.context =
[[NSOpenGLContext alloc] initWithFormat:window->nsgl.pixelFormat
shareContext:share];
if (window->nsgl.context == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"NSGL: Failed to create OpenGL context");
return GL_FALSE;
}
return GL_TRUE;
}
// Destroy the OpenGL context
//
void _glfwDestroyContext(_GLFWwindow* window)
{
[window->nsgl.pixelFormat release];
window->nsgl.pixelFormat = nil;
[window->nsgl.context release];
window->nsgl.context = nil;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
{
if (window)
[window->nsgl.context makeCurrentContext];
else
[NSOpenGLContext clearCurrentContext];
pthread_setspecific(_glfw.nsgl.current, window);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return (_GLFWwindow*) pthread_getspecific(_glfw.nsgl.current);
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
// ARP appears to be unnecessary, but this is future-proof
[window->nsgl.context flushBuffer];
}
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
GLint sync = interval;
[window->nsgl.context setValues:&sync forParameter:NSOpenGLCPSwapInterval];
}
int _glfwPlatformExtensionSupported(const char* extension)
{
// There are no NSGL extensions
return GL_FALSE;
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
CFStringRef symbolName = CFStringCreateWithCString(kCFAllocatorDefault,
procname,
kCFStringEncodingASCII);
GLFWglproc symbol = CFBundleGetFunctionPointerForName(_glfw.nsgl.framework,
symbolName);
CFRelease(symbolName);
return symbol;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI id glfwGetNSGLContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(nil);
return window->nsgl.context;
}