Method Init

Source/Engine/Graphics/Textures/GPUTexture.cpp:355–549

}

bool GPUTexture::Init(const GPUTextureDescription& desc)
{
    PROFILE_CPU();
    PROFILE_MEM(GraphicsTextures);

    // Validate description
    const auto device = GPUDevice::Instance;
    if (desc.Usage == GPUResourceUsage::Dynamic)
    {
        LOG(Warning, "Cannot create texture. Dynamic textures are not supported. Description: {0}", desc.ToString());
        return true;
    }
    if (desc.MipLevels < 0 || desc.MipLevels > GPU_MAX_TEXTURE_MIP_LEVELS)
    {
        LOG(Warning, "Cannot create texture. Invalid amount of mip levels. Description: {0}", desc.ToString());
        return true;
    }
    if (desc.IsDepthStencil())
    {
        if (desc.MipLevels > 1)
        {
            LOG(Warning, "Cannot create texture. Depth Stencil texture cannot have mip maps. Description: {0}", desc.ToString());
            return true;
        }
        if (desc.IsRenderTarget())
        {
            LOG(Warning, "Cannot create texture. Depth Stencil texture cannot be used as a Render Target. Description: {0}", desc.ToString());
            return true;
        }
        if (EnumHasAnyFlags(desc.Flags, GPUTextureFlags::ReadOnlyDepthView) && !device->Limits.HasReadOnlyDepth)
        {
            LOG(Warning, "Cannot create texture. The current graphics platform does not support read-only Depth Stencil texture. Description: {0}", desc.ToString());
            return true;
        }
    }
    else
    {
        if (EnumHasAnyFlags(desc.Flags, GPUTextureFlags::ReadOnlyDepthView))
        {
            LOG(Warning, "Cannot create texture. Cannot create read-only Depth Stencil texture that is not a Depth Stencil texture. Add DepthStencil flag. Description: {0}", desc.ToString());
            return true;
        }
    }
    if (desc.HasPerMipViews() && !(desc.IsShaderResource() || desc.IsRenderTarget()))
    {
        LOG(Warning, "Cannot create texture. Depth Stencil texture cannot have mip maps. Description: {0}", desc.ToString());
        return true;
    }
    auto formatFeatures = device->GetFormatFeatures(desc.Format);
    switch (desc.Dimensions)
    {
    case TextureDimensions::Texture:
    {
        if (desc.HasPerSliceViews())
        {
            LOG(Warning, "Cannot create texture. Texture cannot have per slice views. Description: {0}", desc.ToString());
            return true;
        }