diff --git a/Examples/Simple/iOS/AppDelegate.m b/Examples/Simple/iOS/AppDelegate.m
index a0f8e2f8694cc2d779b57f1759eb8a3455a6cd23..ddc177c3e66acdf3e1d02b5c21d0753995adf718 100644
--- a/Examples/Simple/iOS/AppDelegate.m
+++ b/Examples/Simple/iOS/AppDelegate.m
@@ -31,7 +31,7 @@
    * on the same Wi-Fi network.
    */
 
-  //jsCodeLocation = [NSURL URLWithString:@"http://localhost:8081/index.ios.bundle"];
+  jsCodeLocation = [NSURL URLWithString:@"http://localhost:8081/index.ios.bundle"];
 
   /**
    * OPTION 2
@@ -43,7 +43,7 @@
    * see http://facebook.github.io/react-native/docs/runningondevice.html
    */
 
-  jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+  //jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
 
   RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
                                                       moduleName:@"Simple"
diff --git a/RNGL/GLCanvas.m b/RNGL/GLCanvas.m
index 4e7d4eb73b60be8661728b6dde5d1e1ede0659ae..25ecba7dcd4b97b17d368b7135032f750a04ec95 100644
--- a/RNGL/GLCanvas.m
+++ b/RNGL/GLCanvas.m
@@ -180,45 +180,51 @@ NSString* srcResource (id res)
         id value = [data.uniforms objectForKey:uniformName];
         GLenum type = [uniformTypes[uniformName] intValue];
         
-        if (value && (type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE)) {
+        if (type == GL_SAMPLER_2D || type == GL_SAMPLER_CUBE) {
           uniforms[uniformName] = [NSNumber numberWithInt:units++];
-          NSString *type = [RCTConvert NSString:value[@"type"]];
-          if ([type isEqualToString:@"content"]) {
-            int id = [[RCTConvert NSNumber:value[@"id"]] intValue];
-            if (id >= [_contentTextures count]) {
-              [self resizeUniformContentTextures:id+1];
-            }
-            textures[uniformName] = _contentTextures[id];
-          }
-          else if ([type isEqualToString:@"framebuffer"]) {
-            NSNumber *id = [RCTConvert NSNumber:value[@"id"]];
-            GLFBO *fbo = [GLShadersRegistry getFBO:id];
-            textures[uniformName] = fbo.color[0];
+          if (!value) {
+            GLTexture *emptyTexture = [[GLTexture alloc] init];
+            [emptyTexture setPixelsEmpty];
+            textures[uniformName] = emptyTexture;
           }
-          else if ([type isEqualToString:@"image"]) {
-            NSObject *val = value[@"value"];
-            NSString *src = srcResource(val);
-            if (!src) {
-              RCTLogError(@"invalid uniform '%@' texture value '%@'", uniformName, value);
+          else {
+            NSString *type = [RCTConvert NSString:value[@"type"]];
+            if ([type isEqualToString:@"content"]) {
+              int id = [[RCTConvert NSNumber:value[@"id"]] intValue];
+              if (id >= [_contentTextures count]) {
+                [self resizeUniformContentTextures:id+1];
+              }
+              textures[uniformName] = _contentTextures[id];
             }
-            
-            GLImage *image = images[src];
-            if (image == nil) {
-              image = prevImages[src];
-              if (image != nil)
+            else if ([type isEqualToString:@"fbo"]) {
+              NSNumber *id = [RCTConvert NSNumber:value[@"id"]];
+              GLFBO *fbo = [GLShadersRegistry getFBO:id];
+              textures[uniformName] = fbo.color[0];
+            }
+            else if ([type isEqualToString:@"uri"]) {
+              NSString *src = srcResource(value);
+              if (!src) {
+                RCTLogError(@"texture uniform '%@': Invalid uri format '%@'", uniformName, value);
+              }
+              
+              GLImage *image = images[src];
+              if (image == nil) {
+                image = prevImages[src];
+                if (image != nil)
+                  images[src] = image;
+              }
+              if (image == nil) {
+                image = [[GLImage alloc] initWithBridge:_bridge withOnLoad:^{
+                  [self onImageLoad:src];
+                }];
+                image.src = src;
                 images[src] = image;
+              }
+              textures[uniformName] = [image getTexture];
             }
-            if (image == nil) {
-              image = [[GLImage alloc] initWithBridge:_bridge withOnLoad:^{
-                [self onImageLoad:src];
-              }];
-              image.src = src;
-              images[src] = image;
+            else {
+              RCTLogError(@"texture uniform '%@': Unexpected type '%@'", uniformName, type);
             }
-            textures[uniformName] = [image getTexture];
-          }
-          else {
-            RCTLogError(@"invalid uniform '%@' value of type '%@'", uniformName, type);
           }
         }
         else {
diff --git a/package.json b/package.json
index 81937741e728fadb4f5c7fd037dbda744787b352..565f2fa378d37914c96e1ea2198b32620e24c23a 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "invariant": "2.1.0",
     "react-native": ">=0.9.0 <0.12.0",
-    "gl-react-core": "1.0.0"
+    "gl-react-core": "git+ssh://git@github.com:ProjectSeptemberInc/gl-react-core.git"
   },
   "devDependencies": {
     "eslint": "^1.3.1",