UPSTREAM: egl: Enable eglGetPlatformDisplay on Android Platform

This helps to add eglGetPlatformDisplay support on Android
Platform.
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>

(cherry picked from commit 500b45a)

Author: renchenglei

src/egl/main/eglapi.c

@@ -411,6 +411,11 @@ _eglGetPlatformDisplayCommon(EGLenum platform, void *native_display,
    case EGL_PLATFORM_SURFACELESS_MESA:
       disp = _eglGetSurfacelessDisplay(native_display, attrib_list);
       break;
+#endif
+#ifdef HAVE_ANDROID_PLATFORM
+   case EGL_PLATFORM_ANDROID_KHR:
+      disp = _eglGetAndroidDisplay(native_display, attrib_list);
+      break;
 #endif
    default:
       RETURN_EGL_ERROR(NULL, EGL_BAD_PARAMETER, NULL);

src/egl/main/egldisplay.c

@@ -542,3 +542,19 @@ _eglGetSurfacelessDisplay(void *native_display,
    return _eglFindDisplay(_EGL_PLATFORM_SURFACELESS, native_display);
 }
 #endif /* HAVE_SURFACELESS_PLATFORM */
+
+#ifdef HAVE_ANDROID_PLATFORM
+_EGLDisplay*
+_eglGetAndroidDisplay(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_ANDROID, native_display);
+}
+#endif /* HAVE_ANDROID_PLATFORM */

src/egl/main/egldisplay.h

@@ -301,6 +301,12 @@ _eglGetSurfacelessDisplay(void *native_display,
                           const EGLAttrib *attrib_list);
 #endif
 
+#ifdef HAVE_ANDROID_PLATFORM
+_EGLDisplay*
+_eglGetAndroidDisplay(void *native_display,
+                         const EGLAttrib *attrib_list);
+#endif
+
 #ifdef __cplusplus
 }
 #endif