Allow frame callback to be enabled/disabled

Since per-frame readback is slow and clients don't need it on all the
time, this change allows the callback to be registered after
initialization, and allows it to be disabled later.

Change-Id: Ic73d4515d302a0981ee0c80b9e6f9ba5c84b82ae

1 files changed, 4 insertions, 2 deletions

diff --git a/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.h b/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.h
index 89a708b..de0b71c 100644
--- a/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.h
+++ b/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.h
@@ -46,7 +46,7 @@ struct FrameBufferCaps
 class FrameBuffer
 {
 public:
-    static bool initialize(int width, int height, OnPostFn onPost, void* onPostContext);
+    static bool initialize(int width, int height);
     static bool setupSubWindow(FBNativeWindowType p_window,
                                 int x, int y,
                                 int width, int height, float zRot);
@@ -59,6 +59,8 @@ public:
     int getWidth() const { return m_width; }
     int getHeight() const { return m_height; }
 
+    void setPostCallback(OnPostFn onPost, void* onPostContext);
+
     void getGLStrings(const char** vendor, const char** renderer, const char** version) const {
         *vendor = m_glVendor;
         *renderer = m_glRenderer;
@@ -96,7 +98,7 @@ public:
     }
 
 private:
-    FrameBuffer(int p_width, int p_height, OnPostFn onPost, void* onPostContext);
+    FrameBuffer(int p_width, int p_height);
     ~FrameBuffer();
     HandleType genHandle();
     bool bindSubwin_locked();