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Added context sharing.

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This commit is contained in:
Camilla Berglund
2010-10-04 18:17:53 +02:00
parent 7a0be0f2eb
commit 99ddce3214
24 changed files with 97 additions and 62 deletions
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src/cocoa/cocoa_window.m
+6 -1
View File
@@ -631,9 +631,14 @@ int _glfwPlatformOpenWindow(_GLFWwindow* window,
return GL_FALSE;
}
NSOpenGLContext* share = NULL;
if (wndconfig->share)
share = wndconfig->share->NSGL.context;
window->NSGL.context =
[[NSOpenGLContext alloc] initWithFormat:window->NSGL.pixelFormat
shareContext:nil];
shareContext:share];
if (window->NSGL.context == nil)
{
_glfwSetError(GLFW_INTERNAL_ERROR);
src/internal.h
+27 -19
View File
@@ -60,13 +60,20 @@
#include "platform.h"
typedef struct _GLFWhints _GLFWhints;
typedef struct _GLFWwndconfig _GLFWwndconfig;
typedef struct _GLFWfbconfig _GLFWfbconfig;
typedef struct _GLFWwindow _GLFWwindow;
typedef struct _GLFWlibrary _GLFWlibrary;
//------------------------------------------------------------------------
// Window hints, set by glfwOpenWindowHint and consumed by glfwOpenWindow
// A bucket of semi-random stuff lumped together for historical reasons
// This is used only by the platform independent code and only to store
// parameters passed to us by glfwOpenWindowHint
//------------------------------------------------------------------------
typedef struct _GLFWhints
struct _GLFWhints
{
int redBits;
int greenBits;
@@ -88,7 +95,7 @@ typedef struct _GLFWhints
int glForward;
int glDebug;
int glProfile;
} _GLFWhints;
};
//------------------------------------------------------------------------
@@ -97,18 +104,19 @@ typedef struct _GLFWhints
// This is used to pass window and context creation parameters from the
// platform independent code to the platform specific code
//------------------------------------------------------------------------
typedef struct _GLFWwndconfig
struct _GLFWwndconfig
{
int mode;
const char* title;
int refreshRate;
int windowNoResize;
int glMajor;
int glMinor;
int glForward;
int glDebug;
int glProfile;
} _GLFWwndconfig;
int mode;
const char* title;
int refreshRate;
int windowNoResize;
int glMajor;
int glMinor;
int glForward;
int glDebug;
int glProfile;
_GLFWwindow* share;
};
//------------------------------------------------------------------------
@@ -118,7 +126,7 @@ typedef struct _GLFWwndconfig
// code to the platform specific code, and also to enumerate and select
// available framebuffer configurations
//------------------------------------------------------------------------
typedef struct _GLFWfbconfig
struct _GLFWfbconfig
{
int redBits;
int greenBits;
@@ -134,13 +142,13 @@ typedef struct _GLFWfbconfig
int stereo;
int samples;
GLFWintptr platformID;
} _GLFWfbconfig;
};
//------------------------------------------------------------------------
// Window structure
//------------------------------------------------------------------------
typedef struct _GLFWwindow
struct _GLFWwindow
{
struct _GLFWwindow* next;
@@ -199,13 +207,13 @@ typedef struct _GLFWwindow
_GLFW_PLATFORM_WINDOW_STATE;
_GLFW_PLATFORM_CONTEXT_STATE;
} _GLFWwindow;
};
//------------------------------------------------------------------------
// Library global data
//------------------------------------------------------------------------
typedef struct _GLFWlibrary
struct _GLFWlibrary
{
_GLFWhints hints;
@@ -215,7 +223,7 @@ typedef struct _GLFWlibrary
_GLFWwindow* cursorLockWindow;
_GLFW_PLATFORM_LIBRARY_STATE;
} _GLFWlibrary;
};
//========================================================================
src/win32/win32_window.c
+25 -12
View File
@@ -315,20 +315,23 @@ static HGLRC createContext(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
int pixelFormat)
{
HGLRC context;
PIXELFORMATDESCRIPTOR pfd;
int flags, i = 0, attribs[7];
HGLRC share = NULL;
if (wndconfig->share)
share = wndconfig->share->WGL.context;
if (!_glfw_DescribePixelFormat(window->WGL.DC, pixelFormat, sizeof(pfd), &pfd))
{
_glfwSetError(GLFW_INTERNAL_ERROR);
return NULL;
return GL_FALSE;
}
if (!_glfw_SetPixelFormat(window->WGL.DC, pixelFormat, &pfd))
{
_glfwSetError(GLFW_INTERNAL_ERROR);
return NULL;
return GL_FALSE;
}
if (window->WGL.has_WGL_ARB_create_context)
@@ -372,24 +375,35 @@ static HGLRC createContext(_GLFWwindow* window,
attribs[i++] = 0;
context = window->WGL.CreateContextAttribsARB(window->WGL.DC, NULL, attribs);
if (!context)
window->WGL.context = window->WGL.CreateContextAttribsARB(window->WGL.DC,
share,
attribs);
if (!window->WGL.context)
{
_glfwSetError(GLFW_INTERNAL_ERROR);
return NULL;
return GL_FALSE;
}
}
else
{
context = wglCreateContext(window->WGL.DC);
if (!context)
window->WGL.context = wglCreateContext(window->WGL.DC);
if (!window->WGL.context)
{
_glfwSetError(GLFW_INTERNAL_ERROR);
return NULL;
return GL_FALSE;
}
if (share)
{
if (!wglShareLists(share, window->WGL.context))
{
_glfwSetError(GLFW_INTERNAL_ERROR);
return GL_FALSE;
}
}
}
return context;
return GL_TRUE;
}
@@ -1201,8 +1215,7 @@ static int createWindow(_GLFWwindow* window,
if (!pixelFormat)
return GL_FALSE;
window->WGL.context = createContext(window, wndconfig, pixelFormat);
if (!window->WGL.context)
if (!createContext(window, wndconfig, pixelFormat))
return GL_FALSE;
glfwMakeWindowCurrent(window);
src/window.c
+3 -1
View File
@@ -409,7 +409,8 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
//========================================================================
GLFWAPI GLFWwindow glfwOpenWindow(int width, int height,
int mode, const char* title)
int mode, const char* title,
GLFWwindow share)
{
_GLFWfbconfig fbconfig;
_GLFWwndconfig wndconfig;
@@ -458,6 +459,7 @@ GLFWAPI GLFWwindow glfwOpenWindow(int width, int height,
wndconfig.glForward = _glfwLibrary.hints.glForward ? GL_TRUE : GL_FALSE;
wndconfig.glDebug = _glfwLibrary.hints.glDebug ? GL_TRUE : GL_FALSE;
wndconfig.glProfile = _glfwLibrary.hints.glProfile;
wndconfig.share = share;
// Clear for next open call
_glfwClearWindowHints();
src/x11/x11_window.c
+17 -11
View File
@@ -483,6 +483,10 @@ static int createContext(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, G
int attribs[40];
int flags, dummy, index;
GLXFBConfig* fbconfig;
GLXContext share = NULL;
if (wndconfig->share)
share = wndconfig->share->GLX.context;
// Retrieve the previously selected GLXFBConfig
{
@@ -580,28 +584,30 @@ static int createContext(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, G
setGLXattrib(attribs, index, None, None);
window->GLX.context = window->GLX.CreateContextAttribsARB(_glfwLibrary.X11.display,
*fbconfig,
NULL,
True,
attribs);
window->GLX.context =
window->GLX.CreateContextAttribsARB(_glfwLibrary.X11.display,
*fbconfig,
share,
True,
attribs);
}
else
{
if (window->GLX.has_GLX_SGIX_fbconfig)
{
window->GLX.context = window->GLX.CreateContextWithConfigSGIX(_glfwLibrary.X11.display,
*fbconfig,
GLX_RGBA_TYPE,
NULL,
True);
window->GLX.context =
window->GLX.CreateContextWithConfigSGIX(_glfwLibrary.X11.display,
*fbconfig,
GLX_RGBA_TYPE,
share,
True);
}
else
{
window->GLX.context = glXCreateNewContext(_glfwLibrary.X11.display,
*fbconfig,
GLX_RGBA_TYPE,
NULL,
share,
True);
}
}