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https://github.com/glfw/glfw.git
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Initial TLS implementation (Cocoa broken).
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parent
d0c7a7a2c4
commit
9e4bc36dd8
@ -30,6 +30,13 @@
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#include "internal.h"
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//========================================================================
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// The per-thread current context/window pointer
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// TODO: Implement pthreads TLS
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//========================================================================
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_GLFWwindow* _glfwCurrentWindow = NULL;
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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@ -44,6 +51,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
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[window->NSGL.context makeCurrentContext];
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else
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[NSOpenGLContext clearCurrentContext];
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_glfwCurrentWindow = window;
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}
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//========================================================================
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// Return the window object whose context is current
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//========================================================================
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_GLFWwindow* _glfwPlatformGetCurrentContext(void)
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{
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return _glfwCurrentWindow;
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}
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@ -64,7 +83,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
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void _glfwPlatformSwapInterval(int interval)
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{
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwCurrentWindow;
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GLint sync = interval;
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[window->NSGL.context setValues:&sync forParameter:NSOpenGLCPSwapInterval];
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@ -216,7 +216,6 @@ struct _GLFWlibrary
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_GLFWhints hints;
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_GLFWwindow* windowListHead;
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_GLFWwindow* currentWindow;
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_GLFWwindow* activeWindow;
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GLFWwindowsizefun windowSizeCallback;
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@ -309,6 +308,7 @@ void _glfwPlatformWaitEvents(void);
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// OpenGL context management
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void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
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_GLFWwindow* _glfwPlatformGetCurrentContext(void);
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void _glfwPlatformSwapBuffers(_GLFWwindow* window);
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void _glfwPlatformSwapInterval(int interval);
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void _glfwPlatformRefreshWindowParams(_GLFWwindow* window);
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19
src/opengl.c
19
src/opengl.c
@ -350,7 +350,7 @@ GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
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GLboolean _glfwRefreshContextParams(void)
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{
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwPlatformGetCurrentContext();
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if (!parseGLVersion(&window->glMajor,
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&window->glMinor,
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@ -417,7 +417,7 @@ GLboolean _glfwRefreshContextParams(void)
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GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig)
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{
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwPlatformGetCurrentContext();
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if (window->glMajor < wndconfig->glMajor ||
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(window->glMajor == wndconfig->glMajor &&
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@ -492,16 +492,15 @@ GLFWAPI void glfwMakeContextCurrent(GLFWwindow handle)
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return;
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}
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if (_glfwLibrary.currentWindow == window)
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if (_glfwPlatformGetCurrentContext() == window)
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return;
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_glfwPlatformMakeContextCurrent(window);
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_glfwLibrary.currentWindow = window;
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}
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//========================================================================
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// Returns the window whose OpenGL context is current
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// Return the window object whose context is current
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//========================================================================
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GLFWAPI GLFWwindow glfwGetCurrentContext(void)
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@ -512,7 +511,7 @@ GLFWAPI GLFWwindow glfwGetCurrentContext(void)
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return GL_FALSE;
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}
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return _glfwLibrary.currentWindow;
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return _glfwPlatformGetCurrentContext();
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}
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@ -546,7 +545,7 @@ GLFWAPI void glfwSwapInterval(int interval)
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return;
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}
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if (!_glfwLibrary.currentWindow)
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if (!_glfwPlatformGetCurrentContext())
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{
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_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
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return;
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@ -571,7 +570,7 @@ GLFWAPI int glfwExtensionSupported(const char* extension)
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return GL_FALSE;
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}
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window = _glfwLibrary.currentWindow;
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window = _glfwPlatformGetCurrentContext();
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if (!window)
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{
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_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
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@ -632,7 +631,7 @@ GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
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return NULL;
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}
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if (!_glfwLibrary.currentWindow)
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if (!_glfwPlatformGetCurrentContext())
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{
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_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
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return NULL;
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@ -660,7 +659,7 @@ GLFWAPI void glfwCopyContext(GLFWwindow hsrc, GLFWwindow hdst, unsigned long mas
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src = (_GLFWwindow*) hsrc;
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dst = (_GLFWwindow*) hdst;
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if (_glfwLibrary.currentWindow == dst)
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if (_glfwPlatformGetCurrentContext() == dst)
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{
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCopyContext: Cannot copy OpenGL state to a current context");
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@ -31,6 +31,12 @@
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#include "internal.h"
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//========================================================================
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// The per-thread current context/window pointer
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//========================================================================
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__declspec(thread) _GLFWwindow* _glfwCurrentWindow = NULL;
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//========================================================================
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// Initialize WGL-specific extensions
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// This function is called once before initial context creation, i.e. before
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@ -438,7 +444,7 @@ static GLboolean createContext(_GLFWwindow* window,
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}
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}
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glfwMakeContextCurrent(window);
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_glfwPlatformMakeContextCurrent(window);
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initWGLExtensions(window);
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return GL_TRUE;
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@ -507,8 +513,8 @@ void _glfwDestroyContext(_GLFWwindow* window)
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{
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// This is duplicated from glfwDestroyWindow
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// TODO: Stop duplicating code
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if (window == _glfwLibrary.currentWindow)
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glfwMakeContextCurrent(NULL);
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if (window == _glfwCurrentWindow)
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_glfwPlatformMakeContextCurrent(NULL);
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if (window->WGL.context)
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{
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@ -538,6 +544,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
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wglMakeCurrent(window->WGL.DC, window->WGL.context);
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else
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wglMakeCurrent(NULL, NULL);
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_glfwCurrentWindow = window;
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}
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//========================================================================
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// Return the window object whose context is current
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//========================================================================
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_GLFWwindow* _glfwPlatformGetCurrentContext(void)
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{
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return _glfwCurrentWindow;
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}
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@ -557,7 +575,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
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void _glfwPlatformSwapInterval(int interval)
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{
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwCurrentWindow;
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if (window->WGL.EXT_swap_control)
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window->WGL.SwapIntervalEXT(interval);
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@ -572,7 +590,7 @@ int _glfwPlatformExtensionSupported(const char* extension)
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{
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const GLubyte* extensions;
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwCurrentWindow;
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if (window->WGL.GetExtensionsStringEXT != NULL)
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{
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@ -451,8 +451,9 @@ GLFWAPI void glfwDestroyWindow(GLFWwindow handle)
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return;
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// Clear the current context if this window's context is current
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if (window == _glfwLibrary.currentWindow)
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glfwMakeContextCurrent(NULL);
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// TODO: Re-examine this in light of multithreading
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if (window == _glfwPlatformGetCurrentContext())
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_glfwPlatformMakeContextCurrent(NULL);
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// Clear the active window pointer if this is the active window
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if (window == _glfwLibrary.activeWindow)
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// This is the only glXGetProcAddress variant not declared by glxext.h
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void (*glXGetProcAddressEXT(const GLubyte* procName))();
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//========================================================================
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// The per-thread current context/window pointer
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//========================================================================
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__thread _GLFWwindow* _glfwCurrentWindow = NULL;
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//========================================================================
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// Returns the specified attribute of the specified GLXFBConfig
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@ -621,6 +626,10 @@ XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window)
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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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// Make the OpenGL context associated with the specified window current
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//========================================================================
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@ -635,6 +644,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
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}
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else
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glXMakeCurrent(_glfwLibrary.X11.display, None, NULL);
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_glfwCurrentWindow = window;
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}
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//========================================================================
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// Return the window object whose context is current
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//========================================================================
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_GLFWwindow* _glfwPlatformGetCurrentContext(void)
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{
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return _glfwCurrentWindow;
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}
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@ -654,7 +675,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
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void _glfwPlatformSwapInterval(int interval)
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{
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_GLFWwindow* window = _glfwLibrary.currentWindow;
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_GLFWwindow* window = _glfwCurrentWindow;
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if (_glfwLibrary.GLX.EXT_swap_control)
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{
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