Function MapMemoryAll

vgpu/membuff.go:215–223

MapMemoryAll maps the WholeSize of buffer memory, returning a pointer into start of buffer memory

(dev vk.Device, mem vk.DeviceMemory)

// MapMemoryAll maps the WholeSize of buffer memory,
// returning a pointer into start of buffer memory
func MapMemoryAll(dev vk.Device, mem vk.DeviceMemory) unsafe.Pointer {
	var buffPtr unsafe.Pointer
	ret := vk.MapMemory(dev, mem, 0, vk.DeviceSize(vk.WholeSize), 0, &buffPtr)
	if IsError(ret) {
		log.Printf("vulkan MapMemory warning: failed to map device memory for data")
		return nil
	}
	return buffPtr
}

// FreeBuffMem frees given device memory to nil
func FreeBuffMem(dev vk.Device, memory *vk.DeviceMemory) {