C++ (Cpp) GLEXT_glUniform4f Beispiele

Beispiel #1

Datei: Shader.cpp Projekt: HelenaKwiat/Kwiat_Schneier_Kelley_CSCI2270_FinalProject

void Shader::setParameter(const std::string& name, float x, float y, float z, float w)
{
    if (m_shaderProgram)
    {
        ensureGlContext();

        // Enable program
        GLEXT_GLhandle program;
        glCheck(program = GLEXT_glGetHandle(GLEXT_GL_PROGRAM_OBJECT));
        glCheck(GLEXT_glUseProgramObject(castToGlHandle(m_shaderProgram)));

        // Get parameter location and assign it new values
        GLint location = getParamLocation(name);
        if (location != -1)
        {
            glCheck(GLEXT_glUniform4f(location, x, y, z, w));
        }

        // Disable program
        glCheck(GLEXT_glUseProgramObject(program));
    }
}

Beispiel #2

Datei: Shader.cpp Projekt: wpbest/XPF

void Shader::setUniform(const std::string& name, const Glsl::Vec4& v)
{
    UniformBinder binder(*this, name);
    if (binder.location != -1)
        glCheck(GLEXT_glUniform4f(binder.location, v.x, v.y, v.z, v.w));
}