mirror of
https://github.com/hrydgard/ppsspp.git
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95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
// Copyright (c) 2013- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "CommonTypes.h"
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static inline u32 DecodeRGBA4444(u16 src)
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{
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u8 r = Convert4To8((src >> 0) & 0x0f);
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u8 g = Convert4To8((src >> 4) & 0x0f);
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u8 b = Convert4To8((src >> 8) & 0x0f);
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u8 a = Convert4To8((src >> 12) & 0x0f);
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return (a << 24) | (b << 16) | (g << 8) | r;
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}
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static inline u32 DecodeRGBA5551(u16 src)
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{
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u8 r = Convert5To8((src >> 0) & 0x1F);
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u8 g = Convert5To8((src >> 5) & 0x1F);
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u8 b = Convert5To8((src >> 10) & 0x1F);
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u8 a = (src >> 15) & 0x1;
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a = (a) ? 0xff : 0;
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return (a << 24) | (b << 16) | (g << 8) | r;
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}
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static inline u32 DecodeRGB565(u16 src)
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{
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u8 r = Convert5To8((src >> 0) & 0x1F);
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u8 g = Convert6To8((src >> 5) & 0x3F);
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u8 b = Convert5To8((src >> 11) & 0x1F);
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u8 a = 0xFF;
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return (a << 24) | (b << 16) | (g << 8) | r;
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}
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static inline u32 DecodeRGBA8888(u32 src)
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{
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u8 r = src & 0xFF;
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u8 g = (src >> 8) & 0xFF;
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u8 b = (src >> 16) & 0xFF;
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u8 a = (src >> 24) & 0xFF;
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return (a << 24) | (b << 16) | (g << 8) | r;
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}
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static inline u16 RGBA8888To565(u32 value)
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{
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u8 r = value & 0xFF;
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u8 g = (value >> 8) & 0xFF;
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u8 b = (value >> 16) & 0xFF;
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r >>= 3;
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g >>= 2;
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b >>= 3;
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return (u16)r | ((u16)g << 5) | ((u16)b << 11);
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}
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static inline u16 RGBA8888To5551(u32 value)
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{
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u8 r = value & 0xFF;
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u8 g = (value >> 8) & 0xFF;
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u8 b = (value >> 16) & 0xFF;
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u8 a = (value >> 24) & 0xFF;
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r >>= 3;
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g >>= 3;
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b >>= 3;
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a >>= 7;
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return (u16)r | ((u16)g << 5) | ((u16)b << 10) | ((u16)a << 15);
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}
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static inline u16 RGBA8888To4444(u32 value)
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{
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u8 r = value & 0xFF;
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u8 g = (value >> 8) & 0xFF;
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u8 b = (value >> 16) & 0xFF;
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u8 a = (value >> 24) & 0xFF;
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r >>= 4;
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g >>= 4;
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b >>= 4;
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a >>= 4;
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return (u16)r | ((u16)g << 4) | ((u16)b << 8) | ((u16)a << 12);
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}
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