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https://github.com/libretro/scummvm.git
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654879f507
This fixes the color bleeding issues that previously happened when using Multiply blending (e.g. Out of Order intro)
303 lines
16 KiB
C++
303 lines
16 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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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, either version 3 of the License, or
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* (at your option) any later version.
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*
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/scummsys.h"
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#ifdef SCUMMVM_NEON
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#include <arm_neon.h>
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#include "graphics/blit/blit-alpha.h"
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#include "graphics/pixelformat.h"
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namespace Graphics {
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class BlendBlitImpl_NEON : public BlendBlitImpl_Base {
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friend class BlendBlit;
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template<bool doscale, bool rgbmod, bool alphamod>
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struct AlphaBlend : public BlendBlitImpl_Base::AlphaBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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uint32x4_t ina;
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if (alphamod)
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ina = vshrq_n_u32(vmulq_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask)), vdupq_n_u32(ca)), 8);
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else
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ina = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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uint32x4_t alphaMask = vceqq_u32(ina, vmovq_n_u32(0));
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if (rgbmod) {
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uint32x4_t dstR = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask)), 16);
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uint32x4_t srcR = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask)), 16);
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uint32x4_t dstG = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask)), 8);
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uint32x4_t srcG = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask)), 8);
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uint32x4_t dstB = vandq_u32(dst, vmovq_n_u32(BlendBlit::kBModMask));
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uint32x4_t srcB = vandq_u32(src, vmovq_n_u32(BlendBlit::kBModMask));
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dstR = vshrq_n_u32(vmulq_u32(dstR, vsubq_u32(vmovq_n_u32(255), ina)), 8);
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dstG = vshrq_n_u32(vmulq_u32(dstG, vsubq_u32(vmovq_n_u32(255), ina)), 8);
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dstB = vshrq_n_u32(vmulq_u32(dstB, vsubq_u32(vmovq_n_u32(255), ina)), 8);
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srcR = vaddq_u32(dstR, vshrq_n_u32(vmulq_u32(vmulq_u32(srcR, ina), vmovq_n_u32(cr)), 16));
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srcG = vaddq_u32(dstG, vshrq_n_u32(vmulq_u32(vmulq_u32(srcG, ina), vmovq_n_u32(cg)), 16));
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srcB = vaddq_u32(dstB, vshrq_n_u32(vmulq_u32(vmulq_u32(srcB, ina), vmovq_n_u32(cb)), 16));
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src = vorrq_u32(vandq_u32(srcB, vmovq_n_u32(BlendBlit::kBModMask)), vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(vandq_u32(vshlq_n_u32(srcG, 8), vmovq_n_u32(BlendBlit::kGModMask)), src);
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src = vorrq_u32(vandq_u32(vshlq_n_u32(srcR, 16), vmovq_n_u32(BlendBlit::kRModMask)), src);
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} else {
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uint32x4_t dstRB = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), 8);
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uint32x4_t srcRB = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), 8);
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uint32x4_t dstG = vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask));
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uint32x4_t srcG = vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask));
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dstRB = vmulq_u32(dstRB, vsubq_u32(vmovq_n_u32(255), ina));
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dstG = vshrq_n_u32(vmulq_u32(dstG, vsubq_u32(vmovq_n_u32(255), ina)), 8);
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srcRB = vaddq_u32(dstRB, vmulq_u32(srcRB, ina));
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srcG = vaddq_u32(dstG, vshrq_n_u32(vmulq_u32(srcG, ina), 8));
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src = vorrq_u32(vandq_u32(srcG, vmovq_n_u32(BlendBlit::kGModMask)), vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(vandq_u32(srcRB, vmovq_n_u32(BlendBlit::kBModMask | BlendBlit::kRModMask)), src);
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}
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dst = vandq_u32(alphaMask, dst);
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src = vandq_u32(vmvnq_u32(alphaMask), src);
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return vorrq_u32(dst, src);
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}
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};
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template<bool doscale, bool rgbmod, bool alphamod>
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struct MultiplyBlend : public BlendBlitImpl_Base::MultiplyBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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uint32x4_t ina, alphaMask;
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if (alphamod) {
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ina = vshrq_n_u32(vmulq_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask)), vdupq_n_u32(ca)), 8);
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alphaMask = vceqq_u32(ina, vmovq_n_u32(0));
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} else {
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ina = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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alphaMask = vdupq_n_u32(BlendBlit::kAModMask);
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}
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if (rgbmod) {
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uint32x4_t srcB = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t srcG = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t srcR = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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uint32x4_t dstB = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t dstG = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t dstR = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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srcB = vandq_u32(vshlq_n_u32(vmulq_u32(dstB, vshrq_n_u32(vmulq_u32(vmulq_u32(srcB, vmovq_n_u32(cb)), ina), 16)), BlendBlit::kBModShift - 8), vmovq_n_u32(BlendBlit::kBModMask));
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srcG = vandq_u32(vshlq_n_u32(vmulq_u32(dstG, vshrq_n_u32(vmulq_u32(vmulq_u32(srcG, vmovq_n_u32(cg)), ina), 16)), BlendBlit::kGModShift - 8), vmovq_n_u32(BlendBlit::kGModMask));
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srcR = vandq_u32(vshlq_n_u32(vmulq_u32(dstR, vshrq_n_u32(vmulq_u32(vmulq_u32(srcR, vmovq_n_u32(cr)), ina), 16)), BlendBlit::kRModShift - 8), vmovq_n_u32(BlendBlit::kRModMask));
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src = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(src, vorrq_u32(srcB, vorrq_u32(srcG, srcR)));
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} else {
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constexpr uint32 rbMask = BlendBlit::kRModMask | BlendBlit::kBModMask;
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uint32x4_t srcG = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t srcRB = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(rbMask)), BlendBlit::kBModShift);
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uint32x4_t dstG = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t dstRB = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(rbMask)), BlendBlit::kBModShift);
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srcG = vandq_u32(vshlq_n_u32(vmulq_u32(dstG, vshrq_n_u32(vmulq_u32(srcG, ina), 8)), 8), vmovq_n_u32(BlendBlit::kGModMask));
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srcRB = vandq_u32(vreinterpretq_u32_u16(vmulq_u16(vreinterpretq_u16_u32(dstRB), vreinterpretq_u16_u32(vshrq_n_u32(vandq_u32(vmulq_u32(srcRB, ina), vmovq_n_u32(rbMask)), 8)))), vmovq_n_u32(rbMask));
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src = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(src, vorrq_u32(srcRB, srcG));
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}
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dst = vandq_u32(alphaMask, dst);
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src = vandq_u32(vmvnq_u32(alphaMask), src);
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return vorrq_u32(dst, src);
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}
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};
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template<bool doscale, bool rgbmod, bool alphamod>
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struct OpaqueBlend : public BlendBlitImpl_Base::OpaqueBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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return vorrq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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}
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};
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template<bool doscale, bool rgbmod, bool alphamod>
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struct BinaryBlend : public BlendBlitImpl_Base::BinaryBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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uint32x4_t alphaMask = vceqq_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask)), vmovq_n_u32(0));
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dst = vandq_u32(dst, alphaMask);
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src = vandq_u32(vorrq_u32(src, vmovq_n_u32(BlendBlit::kAModMask)), vmvnq_u32(alphaMask));
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return vorrq_u32(dst, src);
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}
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};
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template<bool doscale, bool rgbmod, bool alphamod>
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struct AdditiveBlend : public BlendBlitImpl_Base::AdditiveBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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uint32x4_t ina;
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if (alphamod)
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ina = vshrq_n_u32(vmulq_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask)), vdupq_n_u32(ca)), 8);
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else
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ina = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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uint32x4_t alphaMask = vceqq_u32(ina, vmovq_n_u32(0));
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if (rgbmod) {
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uint32x4_t srcb = vandq_u32(src, vmovq_n_u32(BlendBlit::kBModMask));
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uint32x4_t srcg = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t srcr = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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uint32x4_t dstb = vandq_u32(dst, vmovq_n_u32(BlendBlit::kBModMask));
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uint32x4_t dstg = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t dstr = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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srcb = vandq_u32(vaddq_u32(dstb, vshrq_n_u32(vmulq_u32(srcb, vmulq_u32(vmovq_n_u32(cb), ina)), 16)), vmovq_n_u32(BlendBlit::kBModMask));
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srcg = vandq_u32(vaddq_u32(dstg, vmulq_u32(srcg, vmulq_u32(vmovq_n_u32(cg), ina))), vmovq_n_u32(BlendBlit::kGModMask));
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srcr = vandq_u32(vaddq_u32(dstr, vshrq_n_u32(vmulq_u32(srcr, vmulq_u32(vmovq_n_u32(cr), ina)), BlendBlit::kRModShift - 16)), vmovq_n_u32(BlendBlit::kRModMask));
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src = vandq_u32(dst, vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(src, vorrq_u32(srcb, vorrq_u32(srcg, srcr)));
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} else if (alphamod) {
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uint32x4_t srcg = vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask));
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uint32x4_t srcrb = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t dstg = vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask));
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uint32x4_t dstrb = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), BlendBlit::kBModShift);
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srcg = vandq_u32(vaddq_u32(dstg, vshrq_n_u32(vmulq_u32(srcg, ina), 8)), vmovq_n_u32(BlendBlit::kGModMask));
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srcrb = vandq_u32(vaddq_u32(dstrb, vmulq_u32(srcrb, ina)), vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask));
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src = vandq_u32(dst, vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(src, vorrq_u32(srcrb, srcg));
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} else {
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uint32x4_t srcg = vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask));
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uint32x4_t srcrb = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t dstg = vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask));
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uint32x4_t dstrb = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask)), BlendBlit::kBModShift);
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srcg = vandq_u32(vaddq_u32(dstg, srcg), vmovq_n_u32(BlendBlit::kGModMask));
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srcrb = vandq_u32(vshlq_n_u32(vaddq_u32(dstrb, srcrb), 8), vmovq_n_u32(BlendBlit::kRModMask | BlendBlit::kBModMask));
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src = vandq_u32(dst, vmovq_n_u32(BlendBlit::kAModMask));
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src = vorrq_u32(src, vorrq_u32(srcrb, srcg));
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}
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dst = vandq_u32(alphaMask, dst);
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src = vandq_u32(vmvnq_u32(alphaMask), src);
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return vorrq_u32(dst, src);
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}
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};
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template<bool doscale, bool rgbmod, bool alphamod>
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struct SubtractiveBlend : public BlendBlitImpl_Base::SubtractiveBlend<doscale, rgbmod, alphamod> {
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static inline uint32x4_t simd(uint32x4_t src, uint32x4_t dst, const bool flip, const byte ca, const byte cr, const byte cg, const byte cb) {
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uint32x4_t ina = vandq_u32(src, vmovq_n_u32(BlendBlit::kAModMask));
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uint32x4_t srcb = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t srcg = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t srcr = vshrq_n_u32(vandq_u32(src, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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uint32x4_t dstb = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kBModMask)), BlendBlit::kBModShift);
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uint32x4_t dstg = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kGModMask)), BlendBlit::kGModShift);
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uint32x4_t dstr = vshrq_n_u32(vandq_u32(dst, vmovq_n_u32(BlendBlit::kRModMask)), BlendBlit::kRModShift);
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srcb = vandq_u32(vshlq_n_u32(vreinterpretq_u32_s32(vmaxq_s32(vsubq_s32(vreinterpretq_s32_u32(dstb), vreinterpretq_s32_u32(vshrq_n_u32(vmulq_u32(vmulq_u32(srcb, vmovq_n_u32(cb)), vmulq_u32(dstb, ina)), 24))), vmovq_n_s32(0))), BlendBlit::kBModShift), vmovq_n_u32(BlendBlit::kBModMask));
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srcg = vandq_u32(vshlq_n_u32(vreinterpretq_u32_s32(vmaxq_s32(vsubq_s32(vreinterpretq_s32_u32(dstg), vreinterpretq_s32_u32(vshrq_n_u32(vmulq_u32(vmulq_u32(srcg, vmovq_n_u32(cg)), vmulq_u32(dstg, ina)), 24))), vmovq_n_s32(0))), BlendBlit::kGModShift), vmovq_n_u32(BlendBlit::kGModMask));
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srcr = vandq_u32(vshlq_n_u32(vreinterpretq_u32_s32(vmaxq_s32(vsubq_s32(vreinterpretq_s32_u32(dstr), vreinterpretq_s32_u32(vshrq_n_u32(vmulq_u32(vmulq_u32(srcr, vmovq_n_u32(cr)), vmulq_u32(dstr, ina)), 24))), vmovq_n_s32(0))), BlendBlit::kRModShift), vmovq_n_u32(BlendBlit::kRModMask));
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return vorrq_u32(vmovq_n_u32(BlendBlit::kAModMask), vorrq_u32(srcb, vorrq_u32(srcg, srcr)));
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}
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};
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public:
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template<template <bool DOSCALE, bool RGBMOD, bool ALPHAMOD> class PixelFunc, bool doscale, bool rgbmod, bool alphamod, bool coloradd1, bool loaddst>
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static inline void blitInnerLoop(BlendBlit::Args &args) {
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const byte *in;
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byte *out;
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const byte rawcr = (args.color >> BlendBlit::kRModShift) & 0xFF;
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const byte rawcg = (args.color >> BlendBlit::kGModShift) & 0xFF;
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const byte rawcb = (args.color >> BlendBlit::kBModShift) & 0xFF;
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const byte ca = alphamod ? ((args.color >> BlendBlit::kAModShift) & 0xFF) : 255;
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const uint32 cr = coloradd1 ? (rgbmod ? (rawcr == 255 ? 256 : rawcr) : 256) : (rgbmod ? rawcr : 255);
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const uint32 cg = coloradd1 ? (rgbmod ? (rawcg == 255 ? 256 : rawcg) : 256) : (rgbmod ? rawcg : 255);
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const uint32 cb = coloradd1 ? (rgbmod ? (rawcb == 255 ? 256 : rawcb) : 256) : (rgbmod ? rawcb : 255);
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int scaleXCtr, scaleYCtr = args.scaleYoff;
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const byte *inBase;
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|
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if (!doscale && (args.flipping & FLIP_H)) args.ino -= 4 * 3;
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for (uint32 i = 0; i < args.height; i++) {
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if (doscale) {
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inBase = args.ino + scaleYCtr / BlendBlit::SCALE_THRESHOLD * args.inoStep;
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scaleXCtr = args.scaleXoff;
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} else {
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in = args.ino;
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}
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out = args.outo;
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uint32 j = 0;
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for (; j + 4 <= args.width; j += 4) {
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uint32x4_t dstPixels;
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if (loaddst) dstPixels = vld1q_u32((const uint32 *)out);
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uint32x4_t srcPixels;
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if (!doscale) {
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srcPixels = vld1q_u32((const uint32 *)in);
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} else {
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srcPixels = vsetq_lane_u32(*(const uint32 *)(inBase + scaleXCtr / BlendBlit::SCALE_THRESHOLD * args.inStep), vmovq_n_u32(0), 0);
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scaleXCtr += args.scaleX;
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srcPixels = vsetq_lane_u32(*(const uint32 *)(inBase + scaleXCtr / BlendBlit::SCALE_THRESHOLD * args.inStep), srcPixels, 1);
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scaleXCtr += args.scaleX;
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srcPixels = vsetq_lane_u32(*(const uint32 *)(inBase + scaleXCtr / BlendBlit::SCALE_THRESHOLD * args.inStep), srcPixels, 2);
|
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scaleXCtr += args.scaleX;
|
|
srcPixels = vsetq_lane_u32(*(const uint32 *)(inBase + scaleXCtr / BlendBlit::SCALE_THRESHOLD * args.inStep), srcPixels, 3);
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scaleXCtr += args.scaleX;
|
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}
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|
if (!doscale && (args.flipping & FLIP_H)) {
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srcPixels = vrev64q_u32(srcPixels);
|
|
srcPixels = vcombine_u32(vget_high_u32(srcPixels), vget_low_u32(srcPixels));
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|
}
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|
{
|
|
const uint32x4_t res = PixelFunc<doscale, rgbmod, alphamod>::simd(srcPixels, dstPixels, args.flipping & FLIP_H, ca, cr, cg, cb);
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|
vst1q_u32((uint32 *)out, res);
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}
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|
if (!doscale) in += args.inStep * 4;
|
|
out += 4 * 4;
|
|
}
|
|
if (!doscale && (args.flipping & FLIP_H)) in += 4 * 3;
|
|
for (; j < args.width; j++) {
|
|
if (doscale) {
|
|
in = inBase + scaleXCtr / BlendBlit::SCALE_THRESHOLD * args.inStep;
|
|
}
|
|
|
|
PixelFunc<doscale, rgbmod, alphamod>::normal(in, out, ca, cr, cg, cb);
|
|
|
|
if (doscale)
|
|
scaleXCtr += args.scaleX;
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|
else
|
|
in += args.inStep;
|
|
out += 4;
|
|
}
|
|
if (doscale)
|
|
scaleYCtr += args.scaleY;
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|
else
|
|
args.ino += args.inoStep;
|
|
args.outo += args.dstPitch;
|
|
}
|
|
}
|
|
|
|
}; // end of class BlendBlitImpl_NEON
|
|
|
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void BlendBlit::blitNEON(Args &args, const TSpriteBlendMode &blendMode, const AlphaType &alphaType) {
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|
blitT<BlendBlitImpl_NEON>(args, blendMode, alphaType);
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|
}
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|
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|
} // end of namespace Graphics
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#endif // SCUMMVM_NEON
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