mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-13 08:26:36 +00:00
a013aad6f1
softgpu: Implement framebuffer pixel formats different than RGBA8888. softgpu: Move texel decoding functions to a separate header.
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
// Copyright (c) 2013- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#pragma once
|
|
|
|
#include "CommonTypes.h"
|
|
|
|
static inline u32 DecodeRGBA4444(u16 src)
|
|
{
|
|
u8 r = (src>>12) & 0x0F;
|
|
u8 g = (src>>8) & 0x0F;
|
|
u8 b = (src>>4) & 0x0F;
|
|
u8 a = (src>>0) & 0x0F;
|
|
r = (r << 4) | r;
|
|
g = (g << 4) | g;
|
|
b = (b << 4) | b;
|
|
a = (a << 4) | a;
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
}
|
|
|
|
static inline u32 DecodeRGBA5551(u16 src)
|
|
{
|
|
u8 r = src & 0x1F;
|
|
u8 g = (src >> 5) & 0x1F;
|
|
u8 b = (src >> 10) & 0x1F;
|
|
u8 a = (src >> 15) & 0x1;
|
|
r = (r << 3) | (r >> 2);
|
|
g = (g << 3) | (g >> 2);
|
|
b = (b << 3) | (b >> 2);
|
|
a = (a) ? 0xff : 0;
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
}
|
|
|
|
static inline u32 DecodeRGB565(u16 src)
|
|
{
|
|
u8 r = src & 0x1F;
|
|
u8 g = (src >> 5) & 0x3F;
|
|
u8 b = (src >> 11) & 0x1F;
|
|
u8 a = 0xFF;
|
|
r = (r << 3) | (r >> 2);
|
|
g = (g << 2) | (g >> 4);
|
|
b = (b << 3) | (b >> 2);
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
}
|
|
|
|
static inline u32 DecodeRGBA8888(u32 src)
|
|
{
|
|
u8 r = src & 0xFF;
|
|
u8 g = (src >> 8) & 0xFF;
|
|
u8 b = (src >> 16) & 0xFF;
|
|
u8 a = (src >> 24) & 0xFF;
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
}
|
|
|
|
static inline u16 RGBA8888To565(u32 value)
|
|
{
|
|
u8 r = value & 0xFF;
|
|
u8 g = (value >> 8) & 0xFF;
|
|
u8 b = (value >> 16) & 0xFF;
|
|
r >>= 3;
|
|
g >>= 2;
|
|
b >>= 3;
|
|
return (u16)r | ((u16)g << 5) | ((u16)b << 11);
|
|
}
|
|
|
|
static inline u16 RGBA8888To5551(u32 value)
|
|
{
|
|
u8 r = value & 0xFF;
|
|
u8 g = (value >> 8) & 0xFF;
|
|
u8 b = (value >> 16) & 0xFF;
|
|
u8 a = (value >> 24) & 0xFF;
|
|
r >>= 3;
|
|
g >>= 3;
|
|
b >>= 3;
|
|
a >>= 7;
|
|
return (u16)r | ((u16)g << 5) | ((u16)b << 10) | ((u16)a << 15);
|
|
}
|
|
|
|
static inline u16 RGBA8888To4444(u32 value)
|
|
{
|
|
u8 r = value & 0xFF;
|
|
u8 g = (value >> 8) & 0xFF;
|
|
u8 b = (value >> 16) & 0xFF;
|
|
u8 a = (value >> 24) & 0xFF;
|
|
r >>= 4;
|
|
g >>= 4;
|
|
b >>= 4;
|
|
a >>= 4;
|
|
return (u16)r | ((u16)g << 4) | ((u16)b << 8) | ((u16)a << 12);
|
|
}
|