Source/Core/VideoCommon/TextureDecoder_Util.h

// Copyright 2016 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include "Common/CommonTypes.h"

struct DXTBlock
{
  u16 color1;
  u16 color2;
  u8 lines[4];
};

constexpr u32 MakeRGBA(int r, int g, int b, int a)
{
  return (a << 24) | (b << 16) | (g << 8) | r;
}

constexpr int DXTBlend(int v1, int v2)
{
  // 3/8 blend, which is close to 1/3
  return ((v1 * 3 + v2 * 5) >> 3);
}
TextureDecoder: Deduplicate some utility code 2017-01-14 11:29:05 +11:00			`// Copyright 2016 Dolphin Emulator Project`
treewide: convert GPLv2+ license info to SPDX tags SPDX standardizes how source code conveys its copyright and licensing information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX tags are adopted in many large projects, including things like the Linux kernel. 2021-07-05 03:22:19 +02:00			`// SPDX-License-Identifier: GPL-2.0-or-later`
TextureDecoder: Deduplicate some utility code 2017-01-14 11:29:05 +11:00
			`#pragma once`

			`#include "Common/CommonTypes.h"`

			`struct DXTBlock`
			`{`
			`u16 color1;`
			`u16 color2;`
			`u8 lines[4];`
			`};`

			`constexpr u32 MakeRGBA(int r, int g, int b, int a)`
			`{`
			`return (a << 24) \| (b << 16) \| (g << 8) \| r;`
			`}`

			`constexpr int DXTBlend(int v1, int v2)`
			`{`
			`// 3/8 blend, which is close to 1/3`
			`return ((v1 * 3 + v2 * 5) >> 3);`
			`}`