Add glReadPixels with buffer-offset argument

- For reading into PBOs on GLES3, add an overloaded version of
  glReadPixels that takes an offset argument.

Bug 18878609

Change-Id: I744483deab6358a66b0dc5e87be1ae2b96560ac1

1 files changed, 12 insertions, 0 deletions

diff --git a/opengl/java/android/opengl/GLES30.java b/opengl/java/android/opengl/GLES30.java
index 342ffa41993e..9c3b505e3270 100644
--- a/opengl/java/android/opengl/GLES30.java
+++ b/opengl/java/android/opengl/GLES30.java
@@ -1791,4 +1791,16 @@ public class GLES30 extends GLES20 {
         java.nio.IntBuffer params
     );
 
+    // C function void glReadPixels ( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint offset )
+
+    public static native void glReadPixels(
+        int x,
+        int y,
+        int width,
+        int height,
+        int format,
+        int type,
+        int offset
+    );
+
 }