cocoa: Added two missing files from hg changeset da7ba330ec68.

Fixes Bugzilla #3975.
This commit is contained in:
Ryan C. Gordon 2017-12-06 16:37:55 -05:00
parent 351d6d4784
commit ef6e629d39
2 changed files with 181 additions and 0 deletions

View File

@ -0,0 +1,49 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.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 "../../SDL_internal.h"
#ifndef SDL_cocoaopengles_h_
#define SDL_cocoaopengles_h_
#if SDL_VIDEO_OPENGL_EGL
#include "../SDL_sysvideo.h"
#include "../SDL_egl_c.h"
/* OpenGLES functions */
#define Cocoa_GLES_GetAttribute SDL_EGL_GetAttribute
#define Cocoa_GLES_GetProcAddress SDL_EGL_GetProcAddress
#define Cocoa_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
#define Cocoa_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
#define Cocoa_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
extern int Cocoa_GLES_LoadLibrary(_THIS, const char *path);
extern SDL_GLContext Cocoa_GLES_CreateContext(_THIS, SDL_Window * window);
extern int Cocoa_GLES_SwapWindow(_THIS, SDL_Window * window);
extern int Cocoa_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
extern void Cocoa_GLES_DeleteContext(_THIS, SDL_GLContext context);
extern int Cocoa_GLES_SetupWindow(_THIS, SDL_Window * window);
#endif /* SDL_VIDEO_OPENGL_EGL */
#endif /* SDL_cocoaopengles_h_ */
/* vi: set ts=4 sw=4 expandtab: */

View File

@ -0,0 +1,132 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.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 "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_COCOA && SDL_VIDEO_OPENGL_EGL
#include "SDL_cocoavideo.h"
#include "SDL_cocoaopengles.h"
#include "SDL_cocoaopengl.h"
#include "SDL_log.h"
/* EGL implementation of SDL OpenGL support */
int
Cocoa_GLES_LoadLibrary(_THIS, const char *path) {
/* If the profile requested is not GL ES, switch over to WIN_GL functions */
if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
#if SDL_VIDEO_OPENGL_CGL
Cocoa_GLES_UnloadLibrary(_this);
_this->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
_this->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
_this->GL_UnloadLibrary = Cocoa_GL_UnloadLibrary;
_this->GL_CreateContext = Cocoa_GL_CreateContext;
_this->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
_this->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
_this->GL_GetSwapInterval = Cocoa_GL_GetSwapInterval;
_this->GL_SwapWindow = Cocoa_GL_SwapWindow;
_this->GL_DeleteContext = Cocoa_GL_DeleteContext;
return Cocoa_GL_LoadLibrary(_this, path);
#else
return SDL_SetError("SDL not configured with OpenGL/CGL support");
#endif
}
if (_this->egl_data == NULL) {
return SDL_EGL_LoadLibrary(_this, NULL, EGL_DEFAULT_DISPLAY, 0);
}
return 0;
}
SDL_GLContext
Cocoa_GLES_CreateContext(_THIS, SDL_Window * window)
{
SDL_GLContext context;
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
#if SDL_VIDEO_OPENGL_CGL
if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
/* Switch to CGL based functions */
Cocoa_GLES_UnloadLibrary(_this);
_this->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
_this->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
_this->GL_UnloadLibrary = Cocoa_GL_UnloadLibrary;
_this->GL_CreateContext = Cocoa_GL_CreateContext;
_this->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
_this->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
_this->GL_GetSwapInterval = Cocoa_GL_GetSwapInterval;
_this->GL_SwapWindow = Cocoa_GL_SwapWindow;
_this->GL_DeleteContext = Cocoa_GL_DeleteContext;
if (Cocoa_GL_LoadLibrary(_this, NULL) != 0) {
return NULL;
}
return Cocoa_GL_CreateContext(_this, window);
}
#endif
context = SDL_EGL_CreateContext(_this, data->egl_surface);
return context;
}
void
Cocoa_GLES_DeleteContext(_THIS, SDL_GLContext context)
{
SDL_EGL_DeleteContext(_this, context);
Cocoa_GLES_UnloadLibrary(_this);
}
SDL_EGL_SwapWindow_impl(Cocoa)
SDL_EGL_MakeCurrent_impl(Cocoa)
int
Cocoa_GLES_SetupWindow(_THIS, SDL_Window * window)
{
/* The current context is lost in here; save it and reset it. */
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Window *current_win = SDL_GL_GetCurrentWindow();
SDL_GLContext current_ctx = SDL_GL_GetCurrentContext();
if (_this->egl_data == NULL) {
if (SDL_EGL_LoadLibrary(_this, NULL, EGL_DEFAULT_DISPLAY, 0) < 0) {
SDL_EGL_UnloadLibrary(_this);
return -1;
}
}
/* Create the GLES window surface */
NSView* v = windowdata->nswindow.contentView;
windowdata->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType)[v layer]);
if (windowdata->egl_surface == EGL_NO_SURFACE) {
return SDL_SetError("Could not create GLES window surface");
}
return Cocoa_GLES_MakeCurrent(_this, current_win, current_ctx);
}
#endif /* SDL_VIDEO_DRIVER_COCOA && SDL_VIDEO_OPENGL_EGL */
/* vi: set ts=4 sw=4 expandtab: */