转换

    static GLenum CryDustFBTextureFormatToGL(FramebufferTextureFormat format)
    {
        switch (format)
        {
        case FramebufferTextureFormat::RGBA8:       return GL_RGBA8;
        case FramebufferTextureFormat::RED_INTEGER: return GL_RED_INTEGER;
        }
            CORE_DEBUG_ASSERT(false);
        return 0;
    }

清理

    void OpenGLFramebuffer::ClearAttachment(uint32_t attachmentIndex, int value)
    {
        CORE_DEBUG_ASSERT(attachmentIndex < m_ColorAttachments.size());
        auto& spec = m_ColorAttachmentSpecifications[attachmentIndex];
        glClearTexImage(m_ColorAttachments[attachmentIndex], 0,
            Utils::CryDustFBTextureFormatToGL(spec.TextureFormat), GL_INT, &value);
    }