Current implementation of the DRI image loader does not free the images
created in get_back_bo() and so leaks memory. Moreover, it creates a new
image every time the DRI driver queries for buffers, even if the backing
native buffer has not changed. leaking memory again.

This patch adds missing call to destroyImage() in droid_enqueue_buffer()
and a check if image is already created to get_back_bo() to fix the
above.

Signed-off-by: Tomasz Figa <tf...@chromium.org>
---
 src/egl/drivers/dri2/platform_android.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/egl/drivers/dri2/platform_android.c 
b/src/egl/drivers/dri2/platform_android.c
index a3e96f8..de1e5e6 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -162,6 +162,8 @@ droid_window_dequeue_buffer(struct dri2_egl_surface 
*dri2_surf)
 static EGLBoolean
 droid_window_enqueue_buffer(_EGLDisplay *disp, struct dri2_egl_surface 
*dri2_surf)
 {
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+
    /* To avoid blocking other EGL calls, release the display mutex before
     * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
     * return.
@@ -192,6 +194,12 @@ droid_window_enqueue_buffer(_EGLDisplay *disp, struct 
dri2_egl_surface *dri2_sur
    dri2_surf->buffer = NULL;
 
    mtx_lock(&disp->Mutex);
+
+   if (dri2_surf->dri_image) {
+      dri2_dpy->image->destroyImage(dri2_surf->dri_image);
+      dri2_surf->dri_image = NULL;
+   }
+
    return EGL_TRUE;
 }
 
@@ -377,6 +385,9 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
    int fourcc, pitch;
    int offset = 0, fd;
 
+   if (dri2_surf->dri_image)
+          return 0;
+
    if (!dri2_surf->buffer)
       return -1;
 
-- 
2.8.0.rc3.226.g39d4020

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