From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m | 156 +++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m (limited to 'contrib/SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m') diff --git a/contrib/SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m b/contrib/SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m new file mode 100644 index 0000000..053ddc9 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/cocoa/SDL_cocoaopengles.m @@ -0,0 +1,156 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + 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 defined(SDL_VIDEO_DRIVER_COCOA) && defined(SDL_VIDEO_OPENGL_EGL) + +#include "SDL_cocoavideo.h" +#include "SDL_cocoaopengles.h" +#include "SDL_cocoaopengl.h" + +// EGL implementation of SDL OpenGL support + +bool Cocoa_GLES_LoadLibrary(SDL_VideoDevice *_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) { +#ifdef 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_DestroyContext = Cocoa_GL_DestroyContext; + _this->GL_GetEGLSurface = NULL; + 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, _this->gl_config.egl_platform); + } + + return true; +} + +SDL_GLContext Cocoa_GLES_CreateContext(SDL_VideoDevice *_this, SDL_Window *window) +{ + @autoreleasepool { + SDL_GLContext context; + SDL_CocoaWindowData *data = (__bridge SDL_CocoaWindowData *)window->internal; + +#ifdef 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_DestroyContext = Cocoa_GL_DestroyContext; + _this->GL_GetEGLSurface = NULL; + + if (!Cocoa_GL_LoadLibrary(_this, NULL)) { + return NULL; + } + + return Cocoa_GL_CreateContext(_this, window); + } +#endif + + context = SDL_EGL_CreateContext(_this, data.egl_surface); + return context; + } +} + +bool Cocoa_GLES_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context) +{ + @autoreleasepool { + SDL_EGL_DestroyContext(_this, context); + } + return true; +} + +bool Cocoa_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window) +{ + @autoreleasepool { + return SDL_EGL_SwapBuffers(_this, ((__bridge SDL_CocoaWindowData *)window->internal).egl_surface); + } +} + +bool Cocoa_GLES_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window, SDL_GLContext context) +{ + @autoreleasepool { + return SDL_EGL_MakeCurrent(_this, window ? ((__bridge SDL_CocoaWindowData *)window->internal).egl_surface : EGL_NO_SURFACE, context); + } +} + +bool Cocoa_GLES_SetupWindow(SDL_VideoDevice *_this, SDL_Window *window) +{ + @autoreleasepool { + NSView *v; + // The current context is lost in here; save it and reset it. + SDL_CocoaWindowData *windowdata = (__bridge SDL_CocoaWindowData *)window->internal; + SDL_Window *current_win = SDL_GL_GetCurrentWindow(); + SDL_GLContext current_ctx = SDL_GL_GetCurrentContext(); + + if (_this->egl_data == NULL) { +// !!! FIXME: commenting out this assertion is (I think) incorrect; figure out why driver_loaded is wrong for ANGLE instead. --ryan. +#if 0 // When hint SDL_HINT_OPENGL_ES_DRIVER is set to "1" (e.g. for ANGLE support), _this->gl_config.driver_loaded can be 1, while the below lines function. + SDL_assert(!_this->gl_config.driver_loaded); +#endif + if (!SDL_EGL_LoadLibrary(_this, NULL, EGL_DEFAULT_DISPLAY, _this->gl_config.egl_platform)) { + SDL_EGL_UnloadLibrary(_this); + return false; + } + _this->gl_config.driver_loaded = 1; + } + + // Create the GLES window surface + v = windowdata.nswindow.contentView; + windowdata.egl_surface = SDL_EGL_CreateSurface(_this, window, (__bridge 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); + } +} + +SDL_EGLSurface Cocoa_GLES_GetEGLSurface(SDL_VideoDevice *_this, SDL_Window *window) +{ + @autoreleasepool { + return ((__bridge SDL_CocoaWindowData *)window->internal).egl_surface; + } +} + +#endif // SDL_VIDEO_DRIVER_COCOA && SDL_VIDEO_OPENGL_EGL -- cgit v1.2.3