Method InitGL

engine/PoseidonGL33/EngineGL33_Lifecycle.cpp:1017–1052

void EngineGL33::ClearLights() {}

void EngineGL33::InitGL()
{
    LOG_INFO(Graphics, "GL33: InitGL — initializing shaders");
    if (!_glContext)
        return;

    _frameOpen = false;

    // Initialize queue storage
    static StaticStorage<WORD> TriangleQueueStorageNo[MaxTriQueues];
    for (int i = 0; i < MaxTriQueues; i++)
    {
        TriQueue& triqNo = _queueNo._tri[i];
        triqNo._triangleQueue.SetStorage(TriangleQueueStorageNo[i].Init(TriQueueSize));
    }

    // 1x1 opaque-white sentinel for untextured P3D faces — see EngineGL33.hpp
    // for the full rationale.  Created FIRST (before any other GL setup)
    // and pre-bound to unit 0, so any draw triggered before the first
    // SetTexture (early splash/progress paths) samples a defined texture
    // instead of GL name 0.
    glGenTextures(1, &_fallbackWhiteTex);
    GL33Bind::Tex2D(kUploadUnit - GL_TEXTURE0, _fallbackWhiteTex);
    const uint32_t whitePixel = 0xFFFFFFFFu;
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &whitePixel);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
    GL33Bind::Tex2D(0, _fallbackWhiteTex);
    GL33Bind::Tex2D(1, _fallbackWhiteTex);
    GL33Bind::ActiveUnit(0);

    CreateVB();
    CreateVBTL();
    CreateTextBank();
    Init3DState();
}

void EngineGL33::ShutdownGL()
{