Fixes #30

ios/GLCanvasManager.m

@@ -29,6 +29,23 @@ RCT_EXPORT_VIEW_PROPERTY(onLoad, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(onProgress, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(onChange, BOOL);
 
+/* TODO
+
+ RCT_EXPORT_METHOD(capture:
+ (nonnull NSNumber *)reactTag
+ callback:(RCTResponseSenderBlock)callback)
+ {
+ 
+ UIView *view = [self.bridge.uiManager viewForReactTag:reactTag];
+ if ([view isKindOfClass:[GLCanvas class]]) {
+ [((GLCanvas*)view) capture: callback];
+ }
+ else {
+ callback(@[@"view is not a GLCanvas"]);
+ }
+ }
+ */
+
 - (UIView *)view
 {
   GLCanvas * v;

ios/GLFBO.m

@@ -32,8 +32,8 @@
 - (void)restore
 {
   glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
-  glBindRenderbuffer(GL_FRAMEBUFFER, _rbo);
-  glBindTexture(GL_FRAMEBUFFER, _tex);
+  glBindRenderbuffer(GL_RENDERBUFFER, _rbo);
+  glBindTexture(GL_TEXTURE_2D, _tex);
 }
 
 @end
@@ -128,8 +128,8 @@ GLuint initRenderBuffer (float width, float height, GLuint component, GLuint att
   if (width == _width && height == _height) return;
   GLint maxFBOSize;
   glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &maxFBOSize);
-  if( _width < 0 || _width > maxFBOSize ||
-      _height < 0 || _height > maxFBOSize) {
+  if( width < 0 || width > maxFBOSize ||
+      height < 0 || height > maxFBOSize) {
     RCTLogError(@"Can't resize framebuffer. Invalid dimensions");
     return;
   }