Method TextureToVRAM

Source/Graphics/textures.cpp:860–1244

}

void Textures::TextureToVRAM(unsigned int which) {
    PROFILER_GPU_ZONE(g_profiler_ctx, "TextureToVRAM");
    CHECK_GL_ERROR();

    if (!deferred_delete_textures.empty()) {
        for (unsigned int tex_id : deferred_delete_textures) {
            LOGI << "Deferred delete of texture " << tex_id << std::endl;
            glDeleteTextures(1, &tex_id);
        }
        deferred_delete_textures.clear();
    }

    Texture& tex = textures[which];

    if (tex.sub_textures.empty()) {
        LOGW << "Calling TextureToVRAM on a texture with no sub_textures" << std::endl;
        return;
    }

    Graphics::Instance()->DebugTracePrint(tex.sub_textures[0].texture_name.c_str());

    bool tex_compressed = tex.sub_textures[0].texture_data->IsCompressed();
    // TODO: silently fix the issue
    for (int i = 1, len = tex.sub_textures.size(); i < len; ++i) {
        const SubTexture& s = tex.sub_textures[i];
        if (s.texture_data->IsCompressed() != tex_compressed) {
            LOGE << "TextureToVRAM failed (compression mismatch) for " << s.load_name << std::endl;
            return;
        }
    }

    if (tex.gl_texture_id != UNLOADED_ID) return;

    for (auto& sub_texture : tex.sub_textures) {
        sub_texture.texture_data->EnsureInRAM();
    }

    bool is_array = (tex.sub_textures.size() > 1);
    bool is_cube = tex.sub_textures[0].texture_data->IsCube();

    if (is_array && is_cube) {
        // GL 4.0 feature, we have minimum requirement 3.2
        LOGE << "cube map arrays not supported" << std::endl;
        return;
    }

    // FIXME?
    if (tex.use_srgb) {
        if (tex.sub_textures[0].texture_data->GetColorSpace() != TextureData::sRGB) {
            // LOGW << "Texture " << tex.sub_textures[0].load_name << " uses sRGB color space but does not specify it in file name" << std::endl;
        }
        tex.sub_textures[0].texture_data->SetColorSpace(TextureData::sRGB);
    } else {
        if (tex.sub_textures[0].texture_data->GetColorSpace() != TextureData::Linear) {
            // LOGW << "Texture " << tex.sub_textures[0].load_name << " specifies sRGB color space in file name but linear internally" << std::endl;
        }
    }