Force to gles2 (OpenGL ES 2.0)

[fightimbs]

Hi All


I'm making an app that should be used with OpenGL ES 2.0. I have taken an example gles2 but modifying it has automatically changed to gles3. I need it to be gles2.
How do I force it to compile gles2? I use Qt5.7 but originally example is Qt4.8.

std::string glVersion = reinterpret_cast<const char*>(glGetString(GL_VERSION));
std::string glslVer = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION));
qDebug("glVer: %s\nglslVer: %s", glVersion.c_str(), glslVer.c_str());

std::string glVersion = reinterpret_cast<const char*>(glGetString(GL_VERSION));
std::string glslVer = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION));
qDebug("glVer: %s\nglslVer: %s", glVersion.c_str(), glslVer.c_str());

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glVer: OpenGL ES 3.0 Mesa 12.0.6
glslVer: OpenGL ES GLSL ES 3.00

Thank you.