feature: add ohos build

Change-Id: I297770ae07d71987c74b18c475f28b1c5d734ce7

src/egl/main/eglapi.c

@@ -406,6 +406,11 @@ _eglGetPlatformDisplayCommon(EGLenum platform, void *native_display,
    case EGL_PLATFORM_ANDROID_KHR:
       disp = _eglGetAndroidDisplay(native_display, attrib_list);
       break;
+#endif
+#ifdef HAVE_OHOS_PLATFORM
+    case EGL_PLATFORM_OHOS_KHR:
+        disp = _eglGetOHOSDisplay(native_display, attrib_list);
+        break;
 #endif
    case EGL_PLATFORM_DEVICE_EXT:
       disp = _eglGetDeviceDisplay(native_display, attrib_list);

src/egl/main/egldisplay.c

@@ -85,6 +85,7 @@ static const struct {
    { _EGL_PLATFORM_SURFACELESS, "surfaceless" },
    { _EGL_PLATFORM_DEVICE, "device" },
    { _EGL_PLATFORM_WINDOWS, "windows" },
+   { _EGL_PLATFORM_OHOS, "openharmony" },
 };
 
 
@@ -608,6 +609,22 @@ _eglGetAndroidDisplay(void *native_display,
 }
 #endif /* HAVE_ANDROID_PLATFORM */
 
+#ifdef HAVE_OHOS_PLATFORM
+_EGLDisplay*
+_eglGetOHOSDisplay(void *native_display,
+                          const EGLAttrib *attrib_list)
+{
+   /* This platform recognizes no display attributes. */
+   if (attrib_list != NULL && attrib_list[0] != EGL_NONE) {
+      _eglError(EGL_BAD_ATTRIBUTE, "eglGetPlatformDisplay");
+      return NULL;
+   }
+
+   return _eglFindDisplay(_EGL_PLATFORM_OHOS, native_display,
+                          attrib_list);
+}
+#endif /* HAVE_OHOS_PLATFORM */
+
 _EGLDisplay*
 _eglGetDeviceDisplay(void *native_display,
                      const EGLAttrib *attrib_list)

src/egl/main/egldisplay.h

@@ -52,6 +52,7 @@ enum _egl_platform_type {
    _EGL_PLATFORM_SURFACELESS,
    _EGL_PLATFORM_DEVICE,
    _EGL_PLATFORM_WINDOWS,
+   _EGL_PLATFORM_OHOS,
 
    _EGL_NUM_PLATFORMS,
    _EGL_INVALID_PLATFORM = -1
@@ -329,6 +330,12 @@ _eglGetAndroidDisplay(void *native_display,
                          const EGLAttrib *attrib_list);
 #endif
 
+#ifdef HAVE_OHOS_PLATFORM
+_EGLDisplay*
+_eglGetOHOSDisplay(void *native_display,
+                         const EGLAttrib *attrib_list);
+#endif
+
 _EGLDisplay*
 _eglGetDeviceDisplay(void *native_display,
                      const EGLAttrib *attrib_list);