Method Init

Source/Engine/Graphics/GPUBuffer.cpp:190–260

}

bool GPUBuffer::Init(const GPUBufferDescription& desc)
{
    PROFILE_CPU();
    PROFILE_MEM(GraphicsBuffers);

    // Validate description
#if !BUILD_RELEASE
#define GET_NAME() GetName()
#else
#define GET_NAME() TEXT("")
#endif
    if (Math::IsNotInRange<uint32>(desc.Size, 1, MAX_int32))
    {
        LOG(Warning, "Cannot create buffer '{}'. Incorrect size {}.", GET_NAME(), desc.Size);
        return true;
    }
    if (Math::IsNotInRange<uint32>(desc.Stride, 0, 1024))
    {
        LOG(Warning, "Cannot create buffer '{}'. Incorrect stride {}.", GET_NAME(), desc.Stride);
        return true;
    }
    if (EnumHasAnyFlags(desc.Flags, GPUBufferFlags::Structured))
    {
        if (desc.Stride <= 0)
        {
            LOG(Warning, "Cannot create buffer '{}'. Element size cannot be less or equal 0 for structured buffer.", GET_NAME());
            return true;
        }
    }
    if (EnumHasAnyFlags(desc.Flags, GPUBufferFlags::RawBuffer))
    {
        if (desc.Format != PixelFormat::R32_Typeless)
        {
            LOG(Warning, "Cannot create buffer '{}'. Raw buffers must use format R32_Typeless.", GET_NAME());
            return true;
        }
    }
    if (EnumHasAnyFlags(desc.Flags, GPUBufferFlags::VertexBuffer))
    {
        if (desc.VertexLayout == nullptr)
        {
            // [Deprecated in v1.10] Change this into an error as VertexLayout becomes a requirement when layout is no longer set in a vertex shader
            LOG(Warning, "Missing Vertex Layout in buffer '{}'. Vertex Buffers should provide layout information about contained vertex elements.", GET_NAME());
        }
    }
#undef GET_NAME

    // Release previous data
    ReleaseGPU();

    // Initialize
    _desc = desc;
    if (OnInit())
    {
        ReleaseGPU();
        LOG(Warning, "Cannot initialize buffer. Description: {0}", desc.ToString());
        return true;
    }