Method vertex_buffer_create

servers/rendering/rendering_device.cpp:3162–3196

/***********************/

RID RenderingDevice::vertex_buffer_create(uint32_t p_size_bytes, Span<uint8_t> p_data, BitField<BufferCreationBits> p_creation_bits) {
	ERR_FAIL_COND_V(p_data.size() && (uint32_t)p_data.size() != p_size_bytes, RID());

	Buffer buffer;
	buffer.size = p_size_bytes;
	buffer.usage = RDD::BUFFER_USAGE_TRANSFER_FROM_BIT | RDD::BUFFER_USAGE_TRANSFER_TO_BIT | RDD::BUFFER_USAGE_VERTEX_BIT;
	if (p_creation_bits.has_flag(BUFFER_CREATION_AS_STORAGE_BIT)) {
		buffer.usage.set_flag(RDD::BUFFER_USAGE_STORAGE_BIT);
	}
	if (p_creation_bits.has_flag(BUFFER_CREATION_DEVICE_ADDRESS_BIT)) {
		buffer.usage.set_flag(RDD::BUFFER_USAGE_DEVICE_ADDRESS_BIT);
	}
	buffer.driver_id = driver->buffer_create(buffer.size, buffer.usage, RDD::MEMORY_ALLOCATION_TYPE_GPU);
	ERR_FAIL_COND_V(!buffer.driver_id, RID());

	// Vertex buffers are assumed to be immutable unless they don't have initial data or they've been marked for storage explicitly.
	if (p_data.is_empty() || p_creation_bits.has_flag(BUFFER_CREATION_AS_STORAGE_BIT)) {
		buffer.draw_tracker = RDG::resource_tracker_create();
		buffer.draw_tracker->buffer_driver_id = buffer.driver_id;
	}

	if (p_data.size()) {
		_buffer_initialize(&buffer, p_data);
	}

	_THREAD_SAFE_LOCK_
	buffer_memory += buffer.size;
	_THREAD_SAFE_UNLOCK_

	RID id = vertex_buffer_owner.make_rid(buffer);
#ifdef DEV_ENABLED
	set_resource_name(id, "RID:" + itos(id.get_id()));
#endif
	return id;
}

// Internally reference counted, this ID is warranted to be unique for the same description, but needs to be freed as many times as it was allocated.
RenderingDevice::VertexFormatID RenderingDevice::vertex_format_create(const Vector<VertexAttribute> &p_vertex_descriptions) {