ensure_buffer()

void MayaFlux::Yantra::GpuResourceManager::ensure_buffer	(	const std::string &	key,
		size_t	index,
		size_t	required_bytes,
		Portal::Graphics::BufferUsageHint	usage_hint = Portal::Graphics::BufferUsageHint::COMPUTE_STORAGE
	)

Definition at line 303 of file GpuResourceManager.cpp.

{
    auto& unit = unit_for(key);
    auto& vk_slot = unit.impl->buffers[index];
    if (vk_slot.allocated_bytes >= required_bytes) {
        return;
    }
 
    auto& foundry = Portal::Graphics::get_shader_foundry();
    allocate_slot(foundry.get_device(), foundry.get_physical_device(),
        vk_slot, required_bytes, Portal::Graphics::to_buffer_usage_flags(usage_hint));
 
    unit.buffer_slots[index].allocated_bytes = required_bytes;
}

References MayaFlux::Portal::Graphics::get_shader_foundry(), MayaFlux::Portal::Graphics::to_buffer_usage_flags(), and unit_for().

Referenced by MayaFlux::Yantra::GpuDispatchCore::prepare_gpu_inputs().

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