diff --git a/drape/drape_tests/glfunctions.cpp b/drape/drape_tests/glfunctions.cpp
index 4179c92635..e308d1e5c3 100644
--- a/drape/drape_tests/glfunctions.cpp
+++ b/drape/drape_tests/glfunctions.cpp
@@ -257,3 +257,5 @@ void * GLFunctions::glMapBuffer(glConst target) { return 0; }
 void GLFunctions::glUnmapBuffer(glConst target) {}
 
 void GLFunctions::glDrawElements(uint16_t indexCount) {}
+
+void GLFunctions::glPixelStore(glConst name, uint32_t value) {}
diff --git a/drape/glsl_types.hpp b/drape/glsl_types.hpp
index 844ba21116..e65ab85d10 100644
--- a/drape/glsl_types.hpp
+++ b/drape/glsl_types.hpp
@@ -55,26 +55,26 @@ inline vec2 ToVec2(m2::PointD const & pt)
 }
 
 template <typename T>
-uint8_t GetComponentCount()
+inline uint8_t GetComponentCount()
 {
   ASSERT(false, ());
   return 0;
 }
 
 template <>
-uint8_t GetComponentCount<vec2>()
+inline uint8_t GetComponentCount<vec2>()
 {
   return 2;
 }
 
 template <>
-uint8_t GetComponentCount<vec3>()
+inline uint8_t GetComponentCount<vec3>()
 {
   return 3;
 }
 
 template <>
-uint8_t GetComponentCount<vec4>()
+inline uint8_t GetComponentCount<vec4>()
 {
   return 4;
 }