adi_gpu_vulkan 0.11.0

Vulkan implementation for adi_gpu
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

// Copyright Jeron A. Lau 2018.
// Dual-licensed under either the MIT License or the Boost Software License,
// Version 1.0.  (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)

// TODO: absorb into ffi, only once internal todo is resolved.

use asi_vulkan;
use asi_vulkan::types::*;
use asi_vulkan::Gpu;

pub fn copy_memory<T>(connection: &Gpu, vk_memory: VkDeviceMemory,
	data: &T) where T: Clone
{
	let mapped : *mut T = unsafe {
		asi_vulkan::map_memory(connection, vk_memory, !0)
	};

	if mapped.is_null() {
		panic!("Couldn't Map Buffer Memory?  Unknown cause.");
	}

	unsafe {
		*mapped = data.clone();
		asi_vulkan::unmap_memory(connection, vk_memory);
	}
}

pub fn copy_memory_pitched(connection: &Gpu, vk_memory: VkDeviceMemory,
	data: &[u8], width: usize, height: usize, pitch: usize)
{
	let mapped : *mut u8 = unsafe {
		asi_vulkan::map_memory(connection, vk_memory, !0)
	};

	if mapped.is_null() {
		panic!("Couldn't Map Buffer Memory?  Unknown cause.");
	}

	for i in 0..height {
		for j in 0..width {
			for k in 0..4 {
				unsafe {
					*(mapped.offset((i * pitch + j * 4 + k)
							as isize))
						= data[(i * width + j) * 4 + k];
				}
			}
		}
	}

	unsafe {
		asi_vulkan::unmap_memory(connection, vk_memory);
	}
}