fix: cleanup function conditional textures

Author: BryonLewis

src/vgl/texture.js

@@ -82,7 +82,6 @@ vgl.texture = function () {
       renderState.m_context.pixelStorei(vgl.GL.UNPACK_FLIP_Y_WEBGL, true);
 
       this.updateDimensions();
-      this.computeInternalFormatUsingImage();
       renderState.m_context.texImage2D(vgl.GL.TEXTURE_2D, 0, this.m_internalFormat,
                                        this.m_texture.width, this.m_texture.height, 0,
                                        this.m_pixelFormat, this.m_pixelDataType, this.m_texture.data);
@@ -260,11 +259,9 @@ vgl.texture = function () {
     // };
 
     // TODO Fix this
-    if (!this.m_internalFormat || !this.m_pixelFormat || !this.m_pixelDataType) {
-      this.m_internalFormat = vgl.GL.RGBA;
-      this.m_pixelFormat = vgl.GL.RGBA;
-      this.m_pixelDataType = vgl.GL.UNSIGNED_BYTE;
-    }
+    this.m_internalFormat = vgl.GL.RGBA;
+    this.m_pixelFormat = vgl.GL.RGBA;
+    this.m_pixelDataType = vgl.GL.UNSIGNED_BYTE;
   };
 
   /**

src/webgl/quadFeature.js

@@ -525,12 +525,16 @@ var webgl_quadFeature = function (arg) {
     }
     m_imgposbuf = undefined;
     m_clrposbuf = undefined;
-    Object.keys(m_glBuffers).forEach(function (key) { delete m_glBuffers[key]; });
+    if (m_glBuffers) {
+      Object.keys(m_glBuffers).forEach(function (key) { delete m_glBuffers[key]; });
+    }
     if (m_quads && m_quads.imgQuads) {
       m_quads.imgQuads.forEach(function (quad) {
         if (quad.texture) {
           delete quad.texture;
-          delete quad.image._texture;
+          if (quad.image && quad.image._texture) {
+            delete quad.image._texture;
+          }
         }
         if (quad.imageTexture) {
           delete quad.imageTexture._texture;