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Initial TLS implementation (Cocoa broken).

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This commit is contained in:
Camilla Berglund 2012-08-12 14:13:18 +02:00
parent d0c7a7a2c4
commit 9e4bc36dd8
6 changed files with 78 additions and 20 deletions
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21
src/cocoa_opengl.m
View File

@ -30,6 +30,13 @@
#include "internal.h"
//========================================================================
// The per-thread current context/window pointer
// TODO: Implement pthreads TLS
//========================================================================
_GLFWwindow* _glfwCurrentWindow = NULL;
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
@ -44,6 +51,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
[window->NSGL.context makeCurrentContext];
else
[NSOpenGLContext clearCurrentContext];
_glfwCurrentWindow = window;
}
//========================================================================
// Return the window object whose context is current
//========================================================================
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return _glfwCurrentWindow;
}
@ -64,7 +83,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwCurrentWindow;
GLint sync = interval;
[window->NSGL.context setValues:&sync forParameter:NSOpenGLCPSwapInterval];

2
src/internal.h
View File

@ -216,7 +216,6 @@ struct _GLFWlibrary
_GLFWhints hints;
_GLFWwindow* windowListHead;
_GLFWwindow* currentWindow;
_GLFWwindow* activeWindow;
GLFWwindowsizefun windowSizeCallback;
@ -309,6 +308,7 @@ void _glfwPlatformWaitEvents(void);
// OpenGL context management
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
_GLFWwindow* _glfwPlatformGetCurrentContext(void);
void _glfwPlatformSwapBuffers(_GLFWwindow* window);
void _glfwPlatformSwapInterval(int interval);
void _glfwPlatformRefreshWindowParams(_GLFWwindow* window);

19
src/opengl.c
View File

@ -350,7 +350,7 @@ GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
GLboolean _glfwRefreshContextParams(void)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (!parseGLVersion(&window->glMajor,
&window->glMinor,
@ -417,7 +417,7 @@ GLboolean _glfwRefreshContextParams(void)
GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
if (window->glMajor < wndconfig->glMajor ||
(window->glMajor == wndconfig->glMajor &&
@ -492,16 +492,15 @@ GLFWAPI void glfwMakeContextCurrent(GLFWwindow handle)
return;
}
if (_glfwLibrary.currentWindow == window)
if (_glfwPlatformGetCurrentContext() == window)
return;
_glfwPlatformMakeContextCurrent(window);
_glfwLibrary.currentWindow = window;
}
//========================================================================
// Returns the window whose OpenGL context is current
// Return the window object whose context is current
//========================================================================
GLFWAPI GLFWwindow glfwGetCurrentContext(void)
@ -512,7 +511,7 @@ GLFWAPI GLFWwindow glfwGetCurrentContext(void)
return GL_FALSE;
}
return _glfwLibrary.currentWindow;
return _glfwPlatformGetCurrentContext();
}
@ -546,7 +545,7 @@ GLFWAPI void glfwSwapInterval(int interval)
return;
}
if (!_glfwLibrary.currentWindow)
if (!_glfwPlatformGetCurrentContext())
{
_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
return;
@ -571,7 +570,7 @@ GLFWAPI int glfwExtensionSupported(const char* extension)
return GL_FALSE;
}
window = _glfwLibrary.currentWindow;
window = _glfwPlatformGetCurrentContext();
if (!window)
{
_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
@ -632,7 +631,7 @@ GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
return NULL;
}
if (!_glfwLibrary.currentWindow)
if (!_glfwPlatformGetCurrentContext())
{
_glfwSetError(GLFW_NO_CURRENT_CONTEXT, NULL);
return NULL;
@ -660,7 +659,7 @@ GLFWAPI void glfwCopyContext(GLFWwindow hsrc, GLFWwindow hdst, unsigned long mas
src = (_GLFWwindow*) hsrc;
dst = (_GLFWwindow*) hdst;
if (_glfwLibrary.currentWindow == dst)
if (_glfwPlatformGetCurrentContext() == dst)
{
_glfwSetError(GLFW_INVALID_VALUE,
"glfwCopyContext: Cannot copy OpenGL state to a current context");

28
src/win32_opengl.c
View File

@ -31,6 +31,12 @@
#include "internal.h"
//========================================================================
// The per-thread current context/window pointer
//========================================================================
__declspec(thread) _GLFWwindow* _glfwCurrentWindow = NULL;
//========================================================================
// Initialize WGL-specific extensions
// This function is called once before initial context creation, i.e. before
@ -438,7 +444,7 @@ static GLboolean createContext(_GLFWwindow* window,
}
}
glfwMakeContextCurrent(window);
_glfwPlatformMakeContextCurrent(window);
initWGLExtensions(window);
return GL_TRUE;
@ -507,8 +513,8 @@ void _glfwDestroyContext(_GLFWwindow* window)
{
// This is duplicated from glfwDestroyWindow
// TODO: Stop duplicating code
if (window == _glfwLibrary.currentWindow)
glfwMakeContextCurrent(NULL);
if (window == _glfwCurrentWindow)
_glfwPlatformMakeContextCurrent(NULL);
if (window->WGL.context)
{
@ -538,6 +544,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
wglMakeCurrent(window->WGL.DC, window->WGL.context);
else
wglMakeCurrent(NULL, NULL);
_glfwCurrentWindow = window;
}
//========================================================================
// Return the window object whose context is current
//========================================================================
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return _glfwCurrentWindow;
}
@ -557,7 +575,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwCurrentWindow;
if (window->WGL.EXT_swap_control)
window->WGL.SwapIntervalEXT(interval);
@ -572,7 +590,7 @@ int _glfwPlatformExtensionSupported(const char* extension)
{
const GLubyte* extensions;
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwCurrentWindow;
if (window->WGL.GetExtensionsStringEXT != NULL)
{

5
src/window.c
View File

@ -451,8 +451,9 @@ GLFWAPI void glfwDestroyWindow(GLFWwindow handle)
return;
// Clear the current context if this window's context is current
if (window == _glfwLibrary.currentWindow)
glfwMakeContextCurrent(NULL);
// TODO: Re-examine this in light of multithreading
if (window == _glfwPlatformGetCurrentContext())
_glfwPlatformMakeContextCurrent(NULL);
// Clear the active window pointer if this is the active window
if (window == _glfwLibrary.activeWindow)

23
src/x11_opengl.c
View File

@ -37,6 +37,11 @@
// This is the only glXGetProcAddress variant not declared by glxext.h
void (*glXGetProcAddressEXT(const GLubyte* procName))();
//========================================================================
// The per-thread current context/window pointer
//========================================================================
__thread _GLFWwindow* _glfwCurrentWindow = NULL;
//========================================================================
// Returns the specified attribute of the specified GLXFBConfig
@ -621,6 +626,10 @@ XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window)
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
//========================================================================
// Make the OpenGL context associated with the specified window current
//========================================================================
@ -635,6 +644,18 @@ void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
}
else
glXMakeCurrent(_glfwLibrary.X11.display, None, NULL);
_glfwCurrentWindow = window;
}
//========================================================================
// Return the window object whose context is current
//========================================================================
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return _glfwCurrentWindow;
}
@ -654,7 +675,7 @@ void _glfwPlatformSwapBuffers(_GLFWwindow* window)
void _glfwPlatformSwapInterval(int interval)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
_GLFWwindow* window = _glfwCurrentWindow;
if (_glfwLibrary.GLX.EXT_swap_control)
{