Method PreReset

engine/PoseidonGL33/EngineGL33_Lifecycle.cpp:438–466

void EngineGL33::Restore() {}

void EngineGL33::PreReset(bool hard)
{
    FreeAllQueues(_queueNo);

    // Detach engine textures from units 0/1 by re-binding the 1x1 white
    // sentinel.  Binding GL name 0 here would leave the units pointing at
    // a texture object with no defined base level, which the driver flags
    // as a KHR_debug LOW warning the moment any draw happens between the
    // soft Reset and the next SetTexture (id 131204).  The sentinel
    // survives a soft reset and is recreated by InitGL on a hard reset
    // (PreReset(true) is followed by DestroySurfaces + InitGL).
    GLuint placeholder = _fallbackWhiteTex ? _fallbackWhiteTex : 0;
    for (int i = 0; i < 2; i++)
    {
        GL33Bind::Tex2D(i, placeholder);
    }
    glFlush();

    if (hard)
    {
        _textBank->ReleaseAllTextures();
        DeinitPixelShaders();
        DeinitVertexShaders();
    }

    DestroyVB();
    DestroyVBTL();
    _lastQueueSource = nullptr;
}

void EngineGL33::PostReset()
{