Harmony port: egl/gles lib

Author: Jack253-png

src/video/ohos/SDL_ohosgl.c

@@ -0,0 +1,49 @@
+#include "SDL_internal.h"
+#ifdef SDL_VIDEO_DRIVER_OHOS
+#include "SDL_ohosvideo.h"
+#include "../../core/ohos/SDL_ohos.h"
+
+bool OHOS_GLES_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window, SDL_GLContext context)
+{
+    if (window && context)
+    {
+        return SDL_EGL_MakeCurrent(_this, window->internal->egl_xcomponent, context);
+    }
+    else
+    {
+        return SDL_EGL_MakeCurrent(_this, NULL, NULL);
+    }
+}
+
+SDL_GLContext OHOS_GLES_CreateContext(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_GLContext result;
+
+    SDL_LockMutex(g_ohosPageMutex);
+
+    result = SDL_EGL_CreateContext(_this, window->internal->egl_xcomponent);
+
+    SDL_UnlockMutex(g_ohosPageMutex);
+
+    return result;
+}
+
+bool OHOS_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    bool result;
+
+    SDL_LockMutex(g_ohosPageMutex);
+
+    result = SDL_EGL_SwapBuffers(_this, window->internal->egl_xcomponent);
+
+    SDL_UnlockMutex(g_ohosPageMutex);
+
+    return result;
+}
+
+bool OHOS_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path)
+{
+    return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType)0, 0);
+}
+
+#endif

src/video/ohos/SDL_ohosgl.h

@@ -0,0 +1,9 @@
+#ifdef SDL_VIDEO_DRIVER_OHOS
+#include "SDL_ohosvideo.h"
+
+bool OHOS_GLES_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window, SDL_GLContext context);
+SDL_GLContext OHOS_GLES_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
+bool OHOS_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window);
+bool OHOS_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path);
+
+#endif

src/video/ohos/SDL_ohosvideo.c

@@ -3,6 +3,7 @@
 
 #ifdef SDL_VIDEO_DRIVER_OHOS
 #include "SDL_ohosvulkan.h"
+#include "SDL_ohosgl.h"
 #include "SDL_ohoswindow.h"
 #include "../../core/ohos/SDL_ohos.h"
 
@@ -13,6 +14,10 @@ bool OHOS_VideoInit(SDL_VideoDevice *_this)
 void OHOS_VideoQuit(SDL_VideoDevice *_this)
 {
 }
+void OHOS_DeviceFree(SDL_VideoDevice *device)
+{
+    SDL_free(device);
+}
 static SDL_VideoDevice *OHOS_CreateDevice(void)
 {
     SDL_VideoDevice *device;
@@ -23,6 +28,7 @@ static SDL_VideoDevice *OHOS_CreateDevice(void)
     }
 
     device->internal = &videoData;
+    device->free = OHOS_DeviceFree;
 
     device->VideoInit = OHOS_VideoInit;
     device->VideoQuit = OHOS_VideoQuit;
@@ -36,6 +42,18 @@ static SDL_VideoDevice *OHOS_CreateDevice(void)
     device->CreateSDLWindow = OHOS_CreateWindow;
     device->DestroyWindow = OHOS_DestroyWindow;
 
+#ifdef SDL_VIDEO_OPENGL_EGL
+    device->GL_LoadLibrary = OHOS_GLES_LoadLibrary;
+    device->GL_MakeCurrent = OHOS_GLES_MakeCurrent;
+    device->GL_CreateContext = OHOS_GLES_CreateContext;
+    device->GL_SwapWindow = OHOS_GLES_SwapWindow;
+    device->GL_GetProcAddress = SDL_EGL_GetProcAddressInternal;
+    device->GL_UnloadLibrary = SDL_EGL_UnloadLibrary;
+    device->GL_SetSwapInterval = SDL_EGL_SetSwapInterval;
+    device->GL_GetSwapInterval = SDL_EGL_GetSwapInterval;
+    device->GL_DestroyContext = SDL_EGL_DestroyContext;
+#endif
+
     return device;
 }
 VideoBootStrap OHOS_bootstrap = {