mirror of
https://github.com/libretro/ppsspp.git
synced 2024-11-30 11:50:32 +00:00
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
// Copyright (c) 2015- 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/.
|
|
|
|
#include "ppsspp_config.h"
|
|
#if PPSSPP_ARCH(ARM_NEON)
|
|
|
|
#include <arm_neon.h>
|
|
#include "ColorConvNEON.h"
|
|
#include "Common.h"
|
|
#include "CPUDetect.h"
|
|
|
|
// TODO: More NEON color conversion funcs.
|
|
|
|
void ConvertRGBA4444ToABGR4444NEON(u16 *dst, const u16 *src, u32 numPixels) {
|
|
const uint16x8_t mask0040 = vdupq_n_u16(0x00F0);
|
|
|
|
if (((uintptr_t)dst & 15) == 0 && ((uintptr_t)src & 15) == 0) {
|
|
u32 simdable = (numPixels / 8) * 8;
|
|
for (u32 i = 0; i < simdable; i += 8) {
|
|
uint16x8_t c = vld1q_u16(src);
|
|
|
|
const uint16x8_t a = vshrq_n_u16(c, 12);
|
|
const uint16x8_t b = vandq_u16(vshrq_n_u16(c, 4), mask0040);
|
|
const uint16x8_t g = vshlq_n_u16(vandq_u16(c, mask0040), 4);
|
|
const uint16x8_t r = vshlq_n_u16(c, 12);
|
|
|
|
uint16x8_t res = vorrq_u16(vorrq_u16(r, g), vorrq_u16(b, a));
|
|
vst1q_u16(dst, res);
|
|
|
|
src += 8;
|
|
dst += 8;
|
|
}
|
|
numPixels -= simdable;
|
|
}
|
|
|
|
// Finish off the rest, if there were any outside the simdable range.
|
|
if (numPixels > 0) {
|
|
// Note that we've already moved src/dst forward.
|
|
ConvertRGBA4444ToABGR4444Basic(dst, src, numPixels);
|
|
}
|
|
}
|
|
|
|
void ConvertRGBA5551ToABGR1555NEON(u16 *dst, const u16 *src, u32 numPixels) {
|
|
const uint16x8_t maskB = vdupq_n_u16(0x003E);
|
|
const uint16x8_t maskG = vdupq_n_u16(0x07C0);
|
|
|
|
if (((uintptr_t)dst & 15) == 0 && ((uintptr_t)src & 15) == 0) {
|
|
u32 simdable = (numPixels / 8) * 8;
|
|
for (u32 i = 0; i < simdable; i += 8) {
|
|
uint16x8_t c = vld1q_u16(src);
|
|
|
|
const uint16x8_t a = vshrq_n_u16(c, 15);
|
|
const uint16x8_t b = vandq_u16(vshrq_n_u16(c, 9), maskB);
|
|
const uint16x8_t g = vandq_u16(vshlq_n_u16(c, 1), maskG);
|
|
const uint16x8_t r = vshlq_n_u16(c, 11);
|
|
|
|
uint16x8_t res = vorrq_u16(vorrq_u16(r, g), vorrq_u16(b, a));
|
|
vst1q_u16(dst, res);
|
|
|
|
src += 8;
|
|
dst += 8;
|
|
}
|
|
numPixels -= simdable;
|
|
}
|
|
|
|
// Finish off the rest, if there were any outside the simdable range.
|
|
if (numPixels > 0) {
|
|
// Note that we've already moved src/dst forward.
|
|
ConvertRGBA5551ToABGR1555Basic(dst, src, numPixels);
|
|
}
|
|
}
|
|
|
|
void ConvertRGB565ToBGR565NEON(u16 *dst, const u16 *src, u32 numPixels) {
|
|
const uint16x8_t maskG = vdupq_n_u16(0x07E0);
|
|
|
|
if (((uintptr_t)dst & 15) == 0 && ((uintptr_t)src & 15) == 0) {
|
|
u32 simdable = (numPixels / 8) * 8;
|
|
for (u32 i = 0; i < simdable; i += 8) {
|
|
uint16x8_t c = vld1q_u16(src);
|
|
|
|
const uint16x8_t b = vshrq_n_u16(c, 11);
|
|
const uint16x8_t g = vandq_u16(c, maskG);
|
|
const uint16x8_t r = vshlq_n_u16(c, 11);
|
|
|
|
uint16x8_t res = vorrq_u16(vorrq_u16(r, g), b);
|
|
vst1q_u16(dst, res);
|
|
|
|
src += 8;
|
|
dst += 8;
|
|
}
|
|
numPixels -= simdable;
|
|
}
|
|
// Finish off the rest, if there were any outside the simdable range.
|
|
if (numPixels > 0) {
|
|
// Note that we've already moved src/dst forward.
|
|
ConvertRGB565ToBGR565Basic(dst, src, numPixels);
|
|
}
|
|
}
|
|
|
|
#endif // PPSSPP_ARCH(ARM_NEON)
|