working on web

src/render/Renderer.cpp

@@ -895,41 +895,65 @@ namespace ZL {
 		static const std::string vColor("vColor");
 		static const std::string vTexCoord("vTexCoord");
 		static const std::string vPosition("vPosition");
-		
-		//glBindVertexArray(VertexRenderStruct.vao->getBuffer());
 
-		//Check if main thread, check if data is not empty...
+		// On WebGL (and when not using VAO), vertex attribute arrays must be explicitly
+		// enabled before drawing. Desktop with VAO can rely on stored state; WebGL cannot.
 		if (VertexRenderStruct.data.NormalData.size() > 0)
 		{
 			glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.normalVBO->getBuffer());
 			VertexAttribPointer3fv(vNormal, 0, NULL);
+			EnableVertexAttribArray(vNormal);
+		}
+		else
+		{
+			DisableVertexAttribArray(vNormal);
 		}
 		if (VertexRenderStruct.data.TangentData.size() > 0)
 		{
 			glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.tangentVBO->getBuffer());
 			VertexAttribPointer3fv(vTangent, 0, NULL);
+			EnableVertexAttribArray(vTangent);
+		}
+		else
+		{
+			DisableVertexAttribArray(vTangent);
 		}
 		if (VertexRenderStruct.data.BinormalData.size() > 0)
 		{
 			glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.binormalVBO->getBuffer());
 			VertexAttribPointer3fv(vBinormal, 0, NULL);
+			EnableVertexAttribArray(vBinormal);
+		}
+		else
+		{
+			DisableVertexAttribArray(vBinormal);
 		}
 		if (VertexRenderStruct.data.ColorData.size() > 0)
 		{
 			glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.colorVBO->getBuffer());
 			VertexAttribPointer3fv(vColor, 0, NULL);
+			EnableVertexAttribArray(vColor);
+		}
+		else
+		{
+			DisableVertexAttribArray(vColor);
 		}
 		if (VertexRenderStruct.data.TexCoordData.size() > 0)
 		{
 			glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.texCoordVBO->getBuffer());
 			VertexAttribPointer2fv(vTexCoord, 0, NULL);
+			EnableVertexAttribArray(vTexCoord);
+		}
+		else
+		{
+			DisableVertexAttribArray(vTexCoord);
 		}
 
 		glBindBuffer(GL_ARRAY_BUFFER, VertexRenderStruct.positionVBO->getBuffer());
 		VertexAttribPointer3fv(vPosition, 0, NULL);
+		EnableVertexAttribArray(vPosition);
 
 		glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(VertexRenderStruct.data.PositionData.size()));
-
 	}
 
 	void worldToScreenCoordinates(Vector3f objectPos,