summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/modules/render/bgfx/texture.cpp
blob: 7b6747e0c548149d4d9fdccb8164fb4f45213f57 (plain) (blame)
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
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
//  texture.cpp - Texture abstraction for BGFX layer
//
//============================================================

#include <string.h>

#include "texture.h"

bgfx_texture::bgfx_texture(std::string name, bgfx::TextureFormat::Enum format, uint16_t width, uint16_t height, uint32_t flags, void* data)
	: m_name(name)
	, m_format(format)
	, m_width(width)
	, m_height(height)
{
	bgfx::TextureInfo info;
	bgfx::calcTextureSize(info, width, height, 1, false, false, 1, format);
	if (data != nullptr)
	{
		m_texture = bgfx::createTexture2D(width, height, false, 1, format, flags, bgfx::copy(data, info.storageSize));
	}
	else
	{
		m_texture = bgfx::createTexture2D(width, height, false, 1, format, flags);

		const bgfx::Memory* memory = bgfx::alloc(info.storageSize);
		memset(memory->data, 0, info.storageSize);
		bgfx::updateTexture2D(m_texture, 0, 0, 0, 0, width, height, memory, info.storageSize / height);
	}
}

bgfx_texture::bgfx_texture(std::string name, bgfx::TextureFormat::Enum format, uint16_t width, uint16_t height, const bgfx::Memory* data, uint32_t flags, uint16_t pitch)
	: m_name(name)
	, m_format(format)
	, m_width(width)
	, m_height(height)
{
	bgfx::TextureInfo info;
	bgfx::calcTextureSize(info, width, height, 1, false, false, 1, format);
	m_texture = bgfx::createTexture2D(width, height, false, 1, format, flags, nullptr);
	bgfx::updateTexture2D(m_texture, 0, 0, 0, 0, width, height, data, pitch);
}

bgfx_texture::~bgfx_texture()
{
	bgfx::destroy(m_texture);
}

void bgfx_texture::update(const bgfx::Memory *data, uint16_t pitch)
{
	bgfx::updateTexture2D(m_texture, 0, 0, 0, 0, m_width, m_height, data, pitch);
}