cogl: Expose API for creating texture from EGLImage

Later to be used by mutter to create EGLImage's from Wayland buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=773629

cogl/cogl/cogl-texture-2d-private.h

@@ -36,10 +36,6 @@
 #include "cogl-texture-private.h"
 #include "cogl-texture-2d.h"
 
-#ifdef COGL_HAS_EGL_SUPPORT
-#include "cogl-egl-defines.h"
-#endif
-
 struct _CoglTexture2D
 {
   CoglTexture _parent;
@@ -70,19 +66,6 @@ CoglTexture2D *
 _cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
                                   CoglBool can_convert_in_place);
 
-#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base)
-/* NB: The reason we require the width, height and format to be passed
- * even though they may seem redundant is because GLES 1/2 don't
- * provide a way to query these properties. */
-CoglTexture2D *
-_cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
-                                     int width,
-                                     int height,
-                                     CoglPixelFormat format,
-                                     EGLImageKHR image,
-                                     CoglError **error);
-#endif
-
 CoglTexture2D *
 _cogl_texture_2d_create_base (CoglContext *ctx,
                               int width,

cogl/cogl/cogl-texture-2d.c

@@ -236,7 +236,7 @@ cogl_texture_2d_new_from_data (CoglContext *ctx,
  * even though they may seem redundant is because GLES 1/2 don't
  * provide a way to query these properties. */
 CoglTexture2D *
-_cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
+cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
                                     int width,
                                     int height,
                                     CoglPixelFormat format,
@@ -430,7 +430,7 @@ cogl_wayland_texture_2d_new_from_buffer (CoglContext *ctx,
                                           EGL_WAYLAND_BUFFER_WL,
                                           buffer,
                                           NULL);
-          tex = _cogl_egl_texture_2d_new_from_image (ctx,
+          tex = cogl_egl_texture_2d_new_from_image (ctx,
                                                     width, height,
                                                     internal_format,
                                                     image,

cogl/cogl/cogl-texture-2d.h

@@ -40,6 +40,10 @@
 #include "cogl-context.h"
 #include "cogl-bitmap.h"
 
+#ifdef COGL_HAS_EGL_SUPPORT
+#include "cogl-egl-defines.h"
+#endif
+
 COGL_BEGIN_DECLS
 
 /**
@@ -227,6 +231,19 @@ cogl_texture_2d_new_from_data (CoglContext *ctx,
 CoglTexture2D *
 cogl_texture_2d_new_from_bitmap (CoglBitmap *bitmap);
 
+#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base)
+/* NB: The reason we require the width, height and format to be passed
+ * even though they may seem redundant is because GLES 1/2 don't
+ * provide a way to query these properties. */
+CoglTexture2D *
+cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
+                                    int width,
+                                    int height,
+                                    CoglPixelFormat format,
+                                    EGLImageKHR image,
+                                    CoglError **error);
+#endif
+
 COGL_END_DECLS
 
 #endif /* __COGL_TEXTURE_2D_H */

cogl/cogl/winsys/cogl-winsys-egl-x11.c

@@ -48,6 +48,7 @@
 
 #include "cogl-texture-pixmap-x11-private.h"
 #include "cogl-texture-2d-private.h"
+#include "cogl-texture-2d.h"
 #include "cogl-error-private.h"
 #include "cogl-poll-private.h"
 
@@ -741,7 +742,7 @@ _cogl_winsys_texture_pixmap_x11_create (CoglTexturePixmapX11 *tex_pixmap)
                     COGL_PIXEL_FORMAT_RGB_888);
 
   egl_tex_pixmap->texture = COGL_TEXTURE (
-    _cogl_egl_texture_2d_new_from_image (ctx,
+    cogl_egl_texture_2d_new_from_image (ctx,
                                         tex->width,
                                         tex->height,
                                         texture_format,