void Shader::setParameter(const std::string& name, float x)
{
    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_glUniform1f(location, x));
        }

        // Disable program
        glCheck(GLEXT_glUseProgramObject(program));
    }
}
コード例 #2
0
ファイル: Shader.cpp プロジェクト: wpbest/XPF
void Shader::setUniform(const std::string& name, float x)
{
    UniformBinder binder(*this, name);
    if (binder.location != -1)
        glCheck(GLEXT_glUniform1f(binder.location, x));
}