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Refactor user context implementation to use the standard GLFW platform / context approach

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This commit is contained in:
Doug Binks 2020-07-13 18:06:48 +01:00
parent 3a0a3c540c
commit 5e94092263
12 changed files with 171 additions and 86 deletions
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8
src/context.c
View File

@ -771,13 +771,13 @@ GLFWAPI GLFWusercontext* glfwCreateUserContext(GLFWwindow* handle)
GLFWAPI void glfwDestroyUserContext(GLFWusercontext* handle)
{
_GLFWusercontext* context = (_GLFWusercontext*)handle;
_glfwPlatformDestroyUserContext(context);
if (context)
context->destroy(context);
}
GLFWAPI void glfwMakeUserContextCurrent(GLFWusercontext* handle)
{
_GLFWusercontext* context = (_GLFWusercontext*)handle;
_glfwPlatformMakeUserContextCurrent(context);
if (context)
context->makeCurrent(context);
}

7
src/egl_context.c
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@ -802,6 +802,13 @@ GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig,
}
#endif // _GLFW_X11
_GLFWusercontext* _glfwCreateUserContextEGL(_GLFWwindow* window)
{
// TODO
return NULL;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

10
src/egl_context.h
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@ -164,6 +164,14 @@ typedef struct _GLFWcontextEGL
} _GLFWcontextEGL;
// EGL-specific per user context data
//
typedef struct _GLFWusercontextEGL
{
EGLContext handle;
} _GLFWusercontextEGL;
// EGL-specific global data
//
typedef struct _GLFWlibraryEGL
@ -218,6 +226,8 @@ void _glfwTerminateEGL(void);
GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
_GLFWusercontext* _glfwCreateUserContextEGL(_GLFWwindow* window);
#if defined(_GLFW_X11)
GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig,
const _GLFWctxconfig* ctxconfig,

68
src/glx_context.c
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@ -678,43 +678,11 @@ GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
return GLFW_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWusercontext* _glfwPlatformCreateUserContext(_GLFWwindow* window)
{
_GLFWusercontext* context;
_GLFWctxconfig ctxconfig;
context = calloc(1, sizeof(_GLFWusercontext));
context->window = window;
ctxconfig = _glfw.hints.context;
ctxconfig.share = window;
if(!_glfwCreateContextForFBGLX(window,&ctxconfig,&context->handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to create user OpenGL context");
free(context);
return NULL;
}
return context;
}
void _glfwPlatformDestroyUserContext(_GLFWusercontext* context)
{
glXDestroyContext(_glfw.x11.display, context->handle);
free(context);
}
void _glfwPlatformMakeUserContextCurrent(_GLFWusercontext* context)
static void _glfwMakeUserContextCurrentGLX(_GLFWusercontext* context)
{
if(context)
{
if(!glXMakeCurrent(_glfw.x11.display, context->window->context.glx.window,context->handle))
if(!glXMakeCurrent(_glfw.x11.display, context->window->context.glx.window,context->glx.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to set current user context");
@ -730,6 +698,38 @@ void _glfwPlatformMakeUserContextCurrent(_GLFWusercontext* context)
}
}
static void _glfwDestroyUserContextGLX(_GLFWusercontext* context)
{
glXDestroyContext(_glfw.x11.display, context->glx.handle);
free(context);
}
_GLFWusercontext* _glfwCreateUserContextGLX(_GLFWwindow* window)
{
_GLFWusercontext* context;
_GLFWctxconfig ctxconfig;
context = calloc(1, sizeof(_GLFWusercontext));
context->window = window;
ctxconfig = _glfw.hints.context;
ctxconfig.share = window;
if(!_glfwCreateContextForFBGLX(window,&ctxconfig,&context->glx.handle))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"GLX: Failed to create user OpenGL context");
free(context);
return NULL;
}
context->makeCurrent = _glfwMakeUserContextCurrentGLX;
context->destroy = _glfwDestroyUserContextGLX;
return context;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////

16
src/glx_context.h
View File

@ -109,6 +109,7 @@ typedef GLXContext (*PFNGLXCREATECONTEXTATTRIBSARBPROC)(Display*,GLXFBConfig,GLX
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX glx
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryGLX glx
#define _GLFW_PLATFORM_USER_CONTEXT_STATE _GLFWusercontextGLX glx
// GLX-specific per-context data
@ -121,6 +122,13 @@ typedef struct _GLFWcontextGLX
} _GLFWcontextGLX;
// GLX-specific per user context data
//
typedef struct _GLFWusercontextGLX
{
GLXContext handle;
} _GLFWusercontextGLX;
// GLX-specific global data
//
typedef struct _GLFWlibraryGLX
@ -169,13 +177,6 @@ typedef struct _GLFWlibraryGLX
} _GLFWlibraryGLX;
// GLX-specific user context data
//
typedef struct _GLFWusercontext
{
_GLFWwindow* window;
GLXContext handle;
} _GLFWusercontext;
GLFWbool _glfwInitGLX(void);
void _glfwTerminateGLX(void);
@ -187,4 +188,5 @@ GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig,
Visual** visual, int* depth);
_GLFWusercontext* _glfwCreateUserContextGLX(_GLFWwindow* window);

22
src/internal.h
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@ -83,6 +83,8 @@ typedef void (* _GLFWswapintervalfun)(int);
typedef int (* _GLFWextensionsupportedfun)(const char*);
typedef GLFWglproc (* _GLFWgetprocaddressfun)(const char*);
typedef void (* _GLFWdestroycontextfun)(_GLFWwindow*);
typedef void (* _GLFWmakeusercontextcurrentfun)(_GLFWusercontext* context);
typedef void (* _GLFWdestroyusercontextfun)(_GLFWusercontext* context);
#define GL_VERSION 0x1f02
#define GL_NONE 0
@ -369,6 +371,24 @@ struct _GLFWcontext
_GLFWcontextOSMesa osmesa;
};
// User Context structure
//
struct _GLFWusercontext
{
_GLFWwindow* window;
// This is defined in the context API's context.h
_GLFW_PLATFORM_USER_CONTEXT_STATE;
// This is defined in egl_context.h
_GLFWusercontextEGL egl;
// This is defined in osmesa_context.h
_GLFWusercontextOSMesa osmesa;
_GLFWmakeusercontextcurrentfun makeCurrent;
_GLFWdestroyusercontextfun destroy;
};
// Window and context structure
//
struct _GLFWwindow
@ -687,8 +707,6 @@ void _glfwPlatformWaitEventsTimeout(double timeout);
void _glfwPlatformPostEmptyEvent(void);
_GLFWusercontext* _glfwPlatformCreateUserContext(_GLFWwindow* window);
void _glfwPlatformDestroyUserContext(_GLFWusercontext* context);
void _glfwPlatformMakeUserContextCurrent(_GLFWusercontext* context);
EGLenum _glfwPlatformGetEGLPlatform(EGLint** attribs);
EGLNativeDisplayType _glfwPlatformGetEGLNativeDisplay(void);

5
src/osmesa_context.c
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@ -287,6 +287,11 @@ GLFWbool _glfwCreateContextOSMesa(_GLFWwindow* window,
#undef setAttrib
_GLFWusercontext* _glfwCreateUserContextOSMesa(_GLFWwindow* window)
{
// TODO
return NULL;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

9
src/osmesa_context.h
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@ -65,6 +65,13 @@ typedef struct _GLFWcontextOSMesa
} _GLFWcontextOSMesa;
// OSMesa-specific per user context data
//
typedef struct _GLFWusercontextOSMesa
{
OSMesaContext handle;
} _GLFWusercontextOSMesa;
// OSMesa-specific global data
//
typedef struct _GLFWlibraryOSMesa
@ -87,4 +94,4 @@ void _glfwTerminateOSMesa(void);
GLFWbool _glfwCreateContextOSMesa(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
_GLFWusercontext* _glfwCreateUserContextOSMesa(_GLFWwindow* window);

68
src/wgl_context.c
View File

@ -790,44 +790,11 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
#undef setAttrib
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWusercontext* _glfwPlatformCreateUserContext(_GLFWwindow* window)
{
_GLFWusercontext* context;
_GLFWctxconfig ctxconfig;
context = calloc(1, sizeof(_GLFWusercontext));
context->window = window;
ctxconfig = _glfw.hints.context;
ctxconfig.share = window;
if (!_glfwCreateContextForDCWGL(window->context.wgl.dc, &ctxconfig, &context->handle))
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"WGL: Failed to create user OpenGL context");
free(context);
return NULL;
}
return context;
}
void _glfwPlatformDestroyUserContext(_GLFWusercontext* context)
{
wglDeleteContext(context->handle);
free(context);
}
void _glfwPlatformMakeUserContextCurrent(_GLFWusercontext* context)
static void _glfwMakeUserContextCurrentWGL(_GLFWusercontext* context)
{
if(context)
{
if(!wglMakeCurrent(context->window->context.wgl.dc,context->handle))
if(!wglMakeCurrent(context->window->context.wgl.dc,context->wgl.handle))
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"WGL: Failed to set current user context");
@ -843,6 +810,37 @@ void _glfwPlatformMakeUserContextCurrent(_GLFWusercontext* context)
}
}
static void _glfwDestroyUserContextWGL(_GLFWusercontext* context)
{
wglDeleteContext(context->wgl.handle);
free(context);
}
_GLFWusercontext* _glfwCreateUserContextWGL(_GLFWwindow* window)
{
_GLFWusercontext* context;
_GLFWctxconfig ctxconfig;
context = calloc(1, sizeof(_GLFWusercontext));
context->window = window;
ctxconfig = _glfw.hints.context;
ctxconfig.share = window;
if (!_glfwCreateContextForDCWGL(window->context.wgl.dc, &ctxconfig, &context->wgl.handle))
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"WGL: Failed to create user OpenGL context");
free(context);
return NULL;
}
context->makeCurrent = _glfwMakeUserContextCurrentWGL;
context->destroy = _glfwDestroyUserContextWGL;
return context;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

9
src/wgl_context.h
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@ -106,6 +106,7 @@ typedef BOOL (WINAPI * PFN_wglShareLists)(HGLRC,HGLRC);
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextWGL wgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryWGL wgl
#define _GLFW_PLATFORM_USER_CONTEXT_STATE _GLFWusercontextWGL wgl
// WGL-specific per-context data
@ -153,15 +154,17 @@ typedef struct _GLFWlibraryWGL
// WGL-specific user context data
//
typedef struct _GLFWusercontext
typedef struct _GLFWusercontextWGL
{
_GLFWwindow* window;
HGLRC handle;
} _GLFWusercontext;
} _GLFWusercontextWGL;
GLFWbool _glfwInitWGL(void);
void _glfwTerminateWGL(void);
GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
_GLFWusercontext* _glfwCreateUserContextWGL(_GLFWwindow* window);

17
src/win32_window.c
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@ -2321,6 +2321,23 @@ VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
return err;
}
_GLFWusercontext* _glfwPlatformCreateUserContext(_GLFWwindow* window)
{
if (window->context.wgl.handle)
{
return _glfwCreateUserContextWGL(window);
}
else if (window->context.egl.handle)
{
return _glfwCreateUserContextEGL(window);
}
else if (window->context.osmesa.handle)
{
return _glfwCreateUserContextOSMesa(window);
}
return GLFW_FALSE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////

18
src/x11_window.c
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@ -3219,6 +3219,24 @@ VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
}
}
_GLFWusercontext* _glfwPlatformCreateUserContext(_GLFWwindow* window)
{
if (window->context.glx.handle)
{
return _glfwCreateUserContextGLX(window);
}
else if (window->context.egl.handle)
{
return _glfwCreateUserContextEGL(window);
}
else if (window->context.osmesa.handle)
{
return _glfwCreateUserContextOSMesa(window);
}
return GLFW_FALSE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////