Fixed issue #464.

src/glimports.h

@@ -320,7 +320,9 @@ GL_IMPORT______(false, PFNGLGETSHADERIVPROC,                       glGetShaderiv
 GL_IMPORT______(false, PFNGLGETSHADERINFOLOGPROC,                  glGetShaderInfoLog);
 GL_IMPORT______(false, PFNGLGETSTRINGPROC,                         glGetString);
 GL_IMPORT______(false, PFNGLGETUNIFORMLOCATIONPROC,                glGetUniformLocation);
+#if !(BGFX_CONFIG_RENDERER_OPENGLES < 30)
 GL_IMPORT______(true,  PFNGLINVALIDATEFRAMEBUFFERPROC,             glInvalidateFramebuffer);
+#endif // !(BGFX_CONFIG_RENDERER_OPENGLES < 30)
 GL_IMPORT______(false, PFNGLLINKPROGRAMPROC,                       glLinkProgram);
 GL_IMPORT______(true,  PFNGLMEMORYBARRIERPROC,                     glMemoryBarrier);
 GL_IMPORT______(true,  PFNGLMULTIDRAWARRAYSINDIRECTPROC,           glMultiDrawArraysIndirect);

src/renderer_gl.cpp

@@ -4278,7 +4278,8 @@ namespace bgfx { namespace gl
 					if (usesTextureLod)
 					{
 						BX_WARN(s_extension[Extension::EXT_shader_texture_lod].m_supported, "EXT_shader_texture_lod is used but not supported by GLES2 driver.");
-						if (s_extension[Extension::EXT_shader_texture_lod].m_supported)
+						if (s_extension[Extension::EXT_shader_texture_lod].m_supported
+						/*&&  GL_VERTEX_SHADER == m_type*/)
 						{
 							writeString(&writer
 								, "#extension GL_EXT_shader_texture_lod : enable\n"