| /**************************************************************************** | |
| ** | |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
| ** All rights reserved. | |
| ** Contact: Nokia Corporation (qt-info@nokia.com) | |
| ** | |
| ** This file is part of the QtGui module of the Qt Toolkit. | |
| ** | |
| ** $QT_BEGIN_LICENSE:LGPL$ | |
| ** GNU Lesser General Public License Usage | |
| ** This file may be used under the terms of the GNU Lesser General Public | |
| ** License version 2.1 as published by the Free Software Foundation and | |
| ** appearing in the file LICENSE.LGPL included in the packaging of this | |
| ** file. Please review the following information to ensure the GNU Lesser | |
| ** General Public License version 2.1 requirements will be met: | |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
| ** | |
| ** In addition, as a special exception, Nokia gives you certain additional | |
| ** rights. These rights are described in the Nokia Qt LGPL Exception | |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
| ** | |
| ** GNU General Public License Usage | |
| ** Alternatively, this file may be used under the terms of the GNU General | |
| ** Public License version 3.0 as published by the Free Software Foundation | |
| ** and appearing in the file LICENSE.GPL included in the packaging of this | |
| ** file. Please review the following information to ensure the GNU General | |
| ** Public License version 3.0 requirements will be met: | |
| ** http://www.gnu.org/copyleft/gpl.html. | |
| ** | |
| ** Other Usage | |
| ** Alternatively, this file may be used in accordance with the terms and | |
| ** conditions contained in a signed written agreement between you and Nokia. | |
| ** | |
| ** | |
| ** | |
| ** | |
| ** | |
| ** $QT_END_LICENSE$ | |
| ** | |
| ****************************************************************************/ | |
| #include <private/qdrawhelper_p.h> | |
| #include <private/qblendfunctions_p.h> | |
| #include <private/qmath_p.h> | |
| #ifdef QT_HAVE_NEON | |
| #include <private/qdrawhelper_neon_p.h> | |
| #include <private/qpaintengine_raster_p.h> | |
| #include <arm_neon.h> | |
| QT_BEGIN_NAMESPACE | |
| void qt_memfill32_neon(quint32 *dest, quint32 value, int count) | |
| { | |
| const int epilogueSize = count % 16; | |
| if (count >= 16) { | |
| quint32 *const neonEnd = dest + count - epilogueSize; | |
| register uint32x4_t valueVector1 asm ("q0") = vdupq_n_u32(value); | |
| register uint32x4_t valueVector2 asm ("q1") = valueVector1; | |
| while (dest != neonEnd) { | |
| asm volatile ( | |
| "vst2.32 { d0, d1, d2, d3 }, [%[DST]] !\n\t" | |
| "vst2.32 { d0, d1, d2, d3 }, [%[DST]] !\n\t" | |
| : [DST]"+r" (dest) | |
| : [VALUE1]"w"(valueVector1), [VALUE2]"w"(valueVector2) | |
| : "memory" | |
| ); | |
| } | |
| } | |
| switch (epilogueSize) | |
| { | |
| case 15: *dest++ = value; | |
| case 14: *dest++ = value; | |
| case 13: *dest++ = value; | |
| case 12: *dest++ = value; | |
| case 11: *dest++ = value; | |
| case 10: *dest++ = value; | |
| case 9: *dest++ = value; | |
| case 8: *dest++ = value; | |
| case 7: *dest++ = value; | |
| case 6: *dest++ = value; | |
| case 5: *dest++ = value; | |
| case 4: *dest++ = value; | |
| case 3: *dest++ = value; | |
| case 2: *dest++ = value; | |
| case 1: *dest++ = value; | |
| } | |
| } | |
| static inline uint16x8_t qvdiv_255_u16(uint16x8_t x, uint16x8_t half) | |
| { | |
| // result = (x + (x >> 8) + 0x80) >> 8 | |
| const uint16x8_t temp = vshrq_n_u16(x, 8); // x >> 8 | |
| const uint16x8_t sum_part = vaddq_u16(x, half); // x + 0x80 | |
| const uint16x8_t sum = vaddq_u16(temp, sum_part); | |
| return vshrq_n_u16(sum, 8); | |
| } | |
| static inline uint16x8_t qvbyte_mul_u16(uint16x8_t x, uint16x8_t alpha, uint16x8_t half) | |
| { | |
| // t = qRound(x * alpha / 255.0) | |
| const uint16x8_t t = vmulq_u16(x, alpha); // t | |
| return qvdiv_255_u16(t, half); | |
| } | |
| static inline uint16x8_t qvinterpolate_pixel_255(uint16x8_t x, uint16x8_t a, uint16x8_t y, uint16x8_t b, uint16x8_t half) | |
| { | |
| // t = x * a + y * b | |
| const uint16x8_t ta = vmulq_u16(x, a); | |
| const uint16x8_t tb = vmulq_u16(y, b); | |
| return qvdiv_255_u16(vaddq_u16(ta, tb), half); | |
| } | |
| static inline uint16x8_t qvsource_over_u16(uint16x8_t src16, uint16x8_t dst16, uint16x8_t half, uint16x8_t full) | |
| { | |
| const uint16x4_t alpha16_high = vdup_lane_u16(vget_high_u16(src16), 3); | |
| const uint16x4_t alpha16_low = vdup_lane_u16(vget_low_u16(src16), 3); | |
| const uint16x8_t alpha16 = vsubq_u16(full, vcombine_u16(alpha16_low, alpha16_high)); | |
| return vaddq_u16(src16, qvbyte_mul_u16(dst16, alpha16, half)); | |
| } | |
| extern "C" void | |
| pixman_composite_over_8888_0565_asm_neon (int32_t w, | |
| int32_t h, | |
| uint16_t *dst, | |
| int32_t dst_stride, | |
| uint32_t *src, | |
| int32_t src_stride); | |
| extern "C" void | |
| pixman_composite_over_8888_8888_asm_neon (int32_t w, | |
| int32_t h, | |
| uint32_t *dst, | |
| int32_t dst_stride, | |
| uint32_t *src, | |
| int32_t src_stride); | |
| extern "C" void | |
| pixman_composite_src_0565_8888_asm_neon (int32_t w, | |
| int32_t h, | |
| uint32_t *dst, | |
| int32_t dst_stride, | |
| uint16_t *src, | |
| int32_t src_stride); | |
| extern "C" void | |
| pixman_composite_over_n_8_0565_asm_neon (int32_t w, | |
| int32_t h, | |
| uint16_t *dst, | |
| int32_t dst_stride, | |
| uint32_t src, | |
| int32_t unused, | |
| uint8_t *mask, | |
| int32_t mask_stride); | |
| extern "C" void | |
| pixman_composite_scanline_over_asm_neon (int32_t w, | |
| const uint32_t *dst, | |
| const uint32_t *src); | |
| extern "C" void | |
| pixman_composite_src_0565_0565_asm_neon (int32_t w, | |
| int32_t h, | |
| uint16_t *dst, | |
| int32_t dst_stride, | |
| uint16_t *src, | |
| int32_t src_stride); | |
| // qblendfunctions.cpp | |
| void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha); | |
| void qt_blend_rgb16_on_argb32_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha) | |
| { | |
| dbpl /= 4; | |
| sbpl /= 2; | |
| quint32 *dst = (quint32 *) destPixels; | |
| quint16 *src = (quint16 *) srcPixels; | |
| if (const_alpha != 256) { | |
| quint8 a = (255 * const_alpha) >> 8; | |
| quint8 ia = 255 - a; | |
| while (h--) { | |
| for (int x=0; x<w; ++x) | |
| dst[x] = INTERPOLATE_PIXEL_255(qt_colorConvert(src[x], dst[x]), a, dst[x], ia); | |
| dst += dbpl; | |
| src += sbpl; | |
| } | |
| return; | |
| } | |
| pixman_composite_src_0565_8888_asm_neon(w, h, dst, dbpl, src, sbpl); | |
| } | |
| // qblendfunctions.cpp | |
| void qt_blend_rgb16_on_rgb16(uchar *dst, int dbpl, | |
| const uchar *src, int sbpl, | |
| int w, int h, | |
| int const_alpha); | |
| template <int N> | |
| static inline void scanLineBlit16(quint16 *dst, quint16 *src, int dstride) | |
| { | |
| if (N >= 2) { | |
| ((quint32 *)dst)[0] = ((quint32 *)src)[0]; | |
| __builtin_prefetch(dst + dstride, 1, 0); | |
| } | |
| for (int i = 1; i < N/2; ++i) | |
| ((quint32 *)dst)[i] = ((quint32 *)src)[i]; | |
| if (N & 1) | |
| dst[N-1] = src[N-1]; | |
| } | |
| template <int Width> | |
| static inline void blockBlit16(quint16 *dst, quint16 *src, int dstride, int sstride, int h) | |
| { | |
| union { | |
| quintptr address; | |
| quint16 *pointer; | |
| } u; | |
| u.pointer = dst; | |
| if (u.address & 2) { | |
| while (h--) { | |
| // align dst | |
| dst[0] = src[0]; | |
| if (Width > 1) | |
| scanLineBlit16<Width-1>(dst + 1, src + 1, dstride); | |
| dst += dstride; | |
| src += sstride; | |
| } | |
| } else { | |
| while (h--) { | |
| scanLineBlit16<Width>(dst, src, dstride); | |
| dst += dstride; | |
| src += sstride; | |
| } | |
| } | |
| } | |
| void qt_blend_rgb16_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha) | |
| { | |
| // testing show that the default memcpy is faster for widths 150 and up | |
| if (const_alpha != 256 || w >= 150) { | |
| qt_blend_rgb16_on_rgb16(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | |
| return; | |
| } | |
| int dstride = dbpl / 2; | |
| int sstride = sbpl / 2; | |
| quint16 *dst = (quint16 *) destPixels; | |
| quint16 *src = (quint16 *) srcPixels; | |
| switch (w) { | |
| #define BLOCKBLIT(n) case n: blockBlit16<n>(dst, src, dstride, sstride, h); return; | |
| BLOCKBLIT(1); | |
| BLOCKBLIT(2); | |
| BLOCKBLIT(3); | |
| BLOCKBLIT(4); | |
| BLOCKBLIT(5); | |
| BLOCKBLIT(6); | |
| BLOCKBLIT(7); | |
| BLOCKBLIT(8); | |
| BLOCKBLIT(9); | |
| BLOCKBLIT(10); | |
| BLOCKBLIT(11); | |
| BLOCKBLIT(12); | |
| BLOCKBLIT(13); | |
| BLOCKBLIT(14); | |
| BLOCKBLIT(15); | |
| #undef BLOCKBLIT | |
| default: | |
| break; | |
| } | |
| pixman_composite_src_0565_0565_asm_neon (w, h, dst, dstride, src, sstride); | |
| } | |
| extern "C" void blend_8_pixels_argb32_on_rgb16_neon(quint16 *dst, const quint32 *src, int const_alpha); | |
| void qt_blend_argb32_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha) | |
| { | |
| quint16 *dst = (quint16 *) destPixels; | |
| quint32 *src = (quint32 *) srcPixels; | |
| if (const_alpha != 256) { | |
| for (int y=0; y<h; ++y) { | |
| int i = 0; | |
| for (; i < w-7; i += 8) | |
| blend_8_pixels_argb32_on_rgb16_neon(&dst[i], &src[i], const_alpha); | |
| if (i < w) { | |
| int tail = w - i; | |
| quint16 dstBuffer[8]; | |
| quint32 srcBuffer[8]; | |
| for (int j = 0; j < tail; ++j) { | |
| dstBuffer[j] = dst[i + j]; | |
| srcBuffer[j] = src[i + j]; | |
| } | |
| blend_8_pixels_argb32_on_rgb16_neon(dstBuffer, srcBuffer, const_alpha); | |
| for (int j = 0; j < tail; ++j) | |
| dst[i + j] = dstBuffer[j]; | |
| } | |
| dst = (quint16 *)(((uchar *) dst) + dbpl); | |
| src = (quint32 *)(((uchar *) src) + sbpl); | |
| } | |
| return; | |
| } | |
| pixman_composite_over_8888_0565_asm_neon(w, h, dst, dbpl / 2, src, sbpl / 4); | |
| } | |
| void qt_blend_argb32_on_argb32_scanline_neon(uint *dest, const uint *src, int length, uint const_alpha) | |
| { | |
| if (const_alpha == 255) { | |
| pixman_composite_scanline_over_asm_neon(length, dest, src); | |
| } else { | |
| qt_blend_argb32_on_argb32_neon((uchar *)dest, 4 * length, (uchar *)src, 4 * length, length, 1, (const_alpha * 256) / 255); | |
| } | |
| } | |
| void qt_blend_argb32_on_argb32_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha) | |
| { | |
| const uint *src = (const uint *) srcPixels; | |
| uint *dst = (uint *) destPixels; | |
| uint16x8_t half = vdupq_n_u16(0x80); | |
| uint16x8_t full = vdupq_n_u16(0xff); | |
| if (const_alpha == 256) { | |
| pixman_composite_over_8888_8888_asm_neon(w, h, (uint32_t *)destPixels, dbpl / 4, (uint32_t *)srcPixels, sbpl / 4); | |
| } else if (const_alpha != 0) { | |
| const_alpha = (const_alpha * 255) >> 8; | |
| uint16x8_t const_alpha16 = vdupq_n_u16(const_alpha); | |
| for (int y = 0; y < h; ++y) { | |
| int x = 0; | |
| for (; x < w-3; x += 4) { | |
| if (src[x] | src[x+1] | src[x+2] | src[x+3]) { | |
| uint32x4_t src32 = vld1q_u32((uint32_t *)&src[x]); | |
| uint32x4_t dst32 = vld1q_u32((uint32_t *)&dst[x]); | |
| const uint8x16_t src8 = vreinterpretq_u8_u32(src32); | |
| const uint8x16_t dst8 = vreinterpretq_u8_u32(dst32); | |
| const uint8x8_t src8_low = vget_low_u8(src8); | |
| const uint8x8_t dst8_low = vget_low_u8(dst8); | |
| const uint8x8_t src8_high = vget_high_u8(src8); | |
| const uint8x8_t dst8_high = vget_high_u8(dst8); | |
| const uint16x8_t src16_low = vmovl_u8(src8_low); | |
| const uint16x8_t dst16_low = vmovl_u8(dst8_low); | |
| const uint16x8_t src16_high = vmovl_u8(src8_high); | |
| const uint16x8_t dst16_high = vmovl_u8(dst8_high); | |
| const uint16x8_t srcalpha16_low = qvbyte_mul_u16(src16_low, const_alpha16, half); | |
| const uint16x8_t srcalpha16_high = qvbyte_mul_u16(src16_high, const_alpha16, half); | |
| const uint16x8_t result16_low = qvsource_over_u16(srcalpha16_low, dst16_low, half, full); | |
| const uint16x8_t result16_high = qvsource_over_u16(srcalpha16_high, dst16_high, half, full); | |
| const uint32x2_t result32_low = vreinterpret_u32_u8(vmovn_u16(result16_low)); | |
| const uint32x2_t result32_high = vreinterpret_u32_u8(vmovn_u16(result16_high)); | |
| vst1q_u32((uint32_t *)&dst[x], vcombine_u32(result32_low, result32_high)); | |
| } | |
| } | |
| for (; x<w; ++x) { | |
| uint s = src[x]; | |
| if (s != 0) { | |
| s = BYTE_MUL(s, const_alpha); | |
| dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); | |
| } | |
| } | |
| dst = (quint32 *)(((uchar *) dst) + dbpl); | |
| src = (const quint32 *)(((const uchar *) src) + sbpl); | |
| } | |
| } | |
| } | |
| // qblendfunctions.cpp | |
| void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha); | |
| void qt_blend_rgb32_on_rgb32_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| int w, int h, | |
| int const_alpha) | |
| { | |
| if (const_alpha != 256) { | |
| if (const_alpha != 0) { | |
| const uint *src = (const uint *) srcPixels; | |
| uint *dst = (uint *) destPixels; | |
| uint16x8_t half = vdupq_n_u16(0x80); | |
| const_alpha = (const_alpha * 255) >> 8; | |
| int one_minus_const_alpha = 255 - const_alpha; | |
| uint16x8_t const_alpha16 = vdupq_n_u16(const_alpha); | |
| uint16x8_t one_minus_const_alpha16 = vdupq_n_u16(255 - const_alpha); | |
| for (int y = 0; y < h; ++y) { | |
| int x = 0; | |
| for (; x < w-3; x += 4) { | |
| uint32x4_t src32 = vld1q_u32((uint32_t *)&src[x]); | |
| uint32x4_t dst32 = vld1q_u32((uint32_t *)&dst[x]); | |
| const uint8x16_t src8 = vreinterpretq_u8_u32(src32); | |
| const uint8x16_t dst8 = vreinterpretq_u8_u32(dst32); | |
| const uint8x8_t src8_low = vget_low_u8(src8); | |
| const uint8x8_t dst8_low = vget_low_u8(dst8); | |
| const uint8x8_t src8_high = vget_high_u8(src8); | |
| const uint8x8_t dst8_high = vget_high_u8(dst8); | |
| const uint16x8_t src16_low = vmovl_u8(src8_low); | |
| const uint16x8_t dst16_low = vmovl_u8(dst8_low); | |
| const uint16x8_t src16_high = vmovl_u8(src8_high); | |
| const uint16x8_t dst16_high = vmovl_u8(dst8_high); | |
| const uint16x8_t result16_low = qvinterpolate_pixel_255(src16_low, const_alpha16, dst16_low, one_minus_const_alpha16, half); | |
| const uint16x8_t result16_high = qvinterpolate_pixel_255(src16_high, const_alpha16, dst16_high, one_minus_const_alpha16, half); | |
| const uint32x2_t result32_low = vreinterpret_u32_u8(vmovn_u16(result16_low)); | |
| const uint32x2_t result32_high = vreinterpret_u32_u8(vmovn_u16(result16_high)); | |
| vst1q_u32((uint32_t *)&dst[x], vcombine_u32(result32_low, result32_high)); | |
| } | |
| for (; x<w; ++x) { | |
| uint s = src[x]; | |
| s = BYTE_MUL(s, const_alpha); | |
| dst[x] = INTERPOLATE_PIXEL_255(src[x], const_alpha, dst[x], one_minus_const_alpha); | |
| } | |
| dst = (quint32 *)(((uchar *) dst) + dbpl); | |
| src = (const quint32 *)(((const uchar *) src) + sbpl); | |
| } | |
| } | |
| } else { | |
| qt_blend_rgb32_on_rgb32(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | |
| } | |
| } | |
| void qt_alphamapblit_quint16_neon(QRasterBuffer *rasterBuffer, | |
| int x, int y, quint32 color, | |
| const uchar *bitmap, | |
| int mapWidth, int mapHeight, int mapStride, | |
| const QClipData *) | |
| { | |
| quint16 *dest = reinterpret_cast<quint16*>(rasterBuffer->scanLine(y)) + x; | |
| const int destStride = rasterBuffer->bytesPerLine() / sizeof(quint16); | |
| uchar *mask = const_cast<uchar *>(bitmap); | |
| pixman_composite_over_n_8_0565_asm_neon(mapWidth, mapHeight, dest, destStride, color, 0, mask, mapStride); | |
| } | |
| extern "C" void blend_8_pixels_rgb16_on_rgb16_neon(quint16 *dst, const quint16 *src, int const_alpha); | |
| template <typename SRC, typename BlendFunc> | |
| struct Blend_on_RGB16_SourceAndConstAlpha_Neon { | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon(BlendFunc blender, int const_alpha) | |
| : m_index(0) | |
| , m_blender(blender) | |
| , m_const_alpha(const_alpha) | |
| { | |
| } | |
| inline void write(quint16 *dst, quint32 src) | |
| { | |
| srcBuffer[m_index++] = src; | |
| if (m_index == 8) { | |
| m_blender(dst - 7, srcBuffer, m_const_alpha); | |
| m_index = 0; | |
| } | |
| } | |
| inline void flush(quint16 *dst) | |
| { | |
| if (m_index > 0) { | |
| quint16 dstBuffer[8]; | |
| for (int i = 0; i < m_index; ++i) | |
| dstBuffer[i] = dst[i - m_index]; | |
| m_blender(dstBuffer, srcBuffer, m_const_alpha); | |
| for (int i = 0; i < m_index; ++i) | |
| dst[i - m_index] = dstBuffer[i]; | |
| m_index = 0; | |
| } | |
| } | |
| SRC srcBuffer[8]; | |
| int m_index; | |
| BlendFunc m_blender; | |
| int m_const_alpha; | |
| }; | |
| template <typename SRC, typename BlendFunc> | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon<SRC, BlendFunc> | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon_create(BlendFunc blender, int const_alpha) | |
| { | |
| return Blend_on_RGB16_SourceAndConstAlpha_Neon<SRC, BlendFunc>(blender, const_alpha); | |
| } | |
| void qt_scale_image_argb32_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| int const_alpha) | |
| { | |
| if (const_alpha == 0) | |
| return; | |
| qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, targetRect, sourceRect, clip, | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon_create<quint32>(blend_8_pixels_argb32_on_rgb16_neon, const_alpha)); | |
| } | |
| void qt_scale_image_rgb16_on_rgb16(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| int const_alpha); | |
| void qt_scale_image_rgb16_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| int const_alpha) | |
| { | |
| if (const_alpha == 0) | |
| return; | |
| if (const_alpha == 256) { | |
| qt_scale_image_rgb16_on_rgb16(destPixels, dbpl, srcPixels, sbpl, targetRect, sourceRect, clip, const_alpha); | |
| return; | |
| } | |
| qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, targetRect, sourceRect, clip, | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon_create<quint16>(blend_8_pixels_rgb16_on_rgb16_neon, const_alpha)); | |
| } | |
| extern void qt_transform_image_rgb16_on_rgb16(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| const QTransform &targetRectTransform, | |
| int const_alpha); | |
| void qt_transform_image_rgb16_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| const QTransform &targetRectTransform, | |
| int const_alpha) | |
| { | |
| if (const_alpha == 0) | |
| return; | |
| if (const_alpha == 256) { | |
| qt_transform_image_rgb16_on_rgb16(destPixels, dbpl, srcPixels, sbpl, targetRect, sourceRect, clip, targetRectTransform, const_alpha); | |
| return; | |
| } | |
| qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | |
| reinterpret_cast<const quint16 *>(srcPixels), sbpl, targetRect, sourceRect, clip, targetRectTransform, | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon_create<quint16>(blend_8_pixels_rgb16_on_rgb16_neon, const_alpha)); | |
| } | |
| void qt_transform_image_argb32_on_rgb16_neon(uchar *destPixels, int dbpl, | |
| const uchar *srcPixels, int sbpl, | |
| const QRectF &targetRect, | |
| const QRectF &sourceRect, | |
| const QRect &clip, | |
| const QTransform &targetRectTransform, | |
| int const_alpha) | |
| { | |
| if (const_alpha == 0) | |
| return; | |
| qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | |
| reinterpret_cast<const quint32 *>(srcPixels), sbpl, targetRect, sourceRect, clip, targetRectTransform, | |
| Blend_on_RGB16_SourceAndConstAlpha_Neon_create<quint32>(blend_8_pixels_argb32_on_rgb16_neon, const_alpha)); | |
| } | |
| static inline void convert_8_pixels_rgb16_to_argb32(quint32 *dst, const quint16 *src) | |
| { | |
| asm volatile ( | |
| "vld1.16 { d0, d1 }, [%[SRC]]\n\t" | |
| /* convert 8 r5g6b5 pixel data from {d0, d1} to planar 8-bit format | |
| and put data into d4 - red, d3 - green, d2 - blue */ | |
| "vshrn.u16 d4, q0, #8\n\t" | |
| "vshrn.u16 d3, q0, #3\n\t" | |
| "vsli.u16 q0, q0, #5\n\t" | |
| "vsri.u8 d4, d4, #5\n\t" | |
| "vsri.u8 d3, d3, #6\n\t" | |
| "vshrn.u16 d2, q0, #2\n\t" | |
| /* fill d5 - alpha with 0xff */ | |
| "mov r2, #255\n\t" | |
| "vdup.8 d5, r2\n\t" | |
| "vst4.8 { d2, d3, d4, d5 }, [%[DST]]" | |
| : : [DST]"r" (dst), [SRC]"r" (src) | |
| : "memory", "r2", "d0", "d1", "d2", "d3", "d4", "d5" | |
| ); | |
| } | |
| uint * QT_FASTCALL qt_destFetchRGB16_neon(uint *buffer, QRasterBuffer *rasterBuffer, int x, int y, int length) | |
| { | |
| const ushort *data = (const ushort *)rasterBuffer->scanLine(y) + x; | |
| int i = 0; | |
| for (; i < length - 7; i += 8) | |
| convert_8_pixels_rgb16_to_argb32(&buffer[i], &data[i]); | |
| if (i < length) { | |
| quint16 srcBuffer[8]; | |
| quint32 dstBuffer[8]; | |
| int tail = length - i; | |
| for (int j = 0; j < tail; ++j) | |
| srcBuffer[j] = data[i + j]; | |
| convert_8_pixels_rgb16_to_argb32(dstBuffer, srcBuffer); | |
| for (int j = 0; j < tail; ++j) | |
| buffer[i + j] = dstBuffer[j]; | |
| } | |
| return buffer; | |
| } | |
| static inline void convert_8_pixels_argb32_to_rgb16(quint16 *dst, const quint32 *src) | |
| { | |
| asm volatile ( | |
| "vld4.8 { d0, d1, d2, d3 }, [%[SRC]]\n\t" | |
| /* convert to r5g6b5 and store it into {d28, d29} */ | |
| "vshll.u8 q14, d2, #8\n\t" | |
| "vshll.u8 q8, d1, #8\n\t" | |
| "vshll.u8 q9, d0, #8\n\t" | |
| "vsri.u16 q14, q8, #5\n\t" | |
| "vsri.u16 q14, q9, #11\n\t" | |
| "vst1.16 { d28, d29 }, [%[DST]]" | |
| : : [DST]"r" (dst), [SRC]"r" (src) | |
| : "memory", "d0", "d1", "d2", "d3", "d16", "d17", "d18", "d19", "d28", "d29" | |
| ); | |
| } | |
| void QT_FASTCALL qt_destStoreRGB16_neon(QRasterBuffer *rasterBuffer, int x, int y, const uint *buffer, int length) | |
| { | |
| quint16 *data = (quint16*)rasterBuffer->scanLine(y) + x; | |
| int i = 0; | |
| for (; i < length - 7; i += 8) | |
| convert_8_pixels_argb32_to_rgb16(&data[i], &buffer[i]); | |
| if (i < length) { | |
| quint32 srcBuffer[8]; | |
| quint16 dstBuffer[8]; | |
| int tail = length - i; | |
| for (int j = 0; j < tail; ++j) | |
| srcBuffer[j] = buffer[i + j]; | |
| convert_8_pixels_argb32_to_rgb16(dstBuffer, srcBuffer); | |
| for (int j = 0; j < tail; ++j) | |
| data[i + j] = dstBuffer[j]; | |
| } | |
| } | |
| void QT_FASTCALL comp_func_solid_SourceOver_neon(uint *destPixels, int length, uint color, uint const_alpha) | |
| { | |
| if ((const_alpha & qAlpha(color)) == 255) { | |
| QT_MEMFILL_UINT(destPixels, length, color); | |
| } else { | |
| if (const_alpha != 255) | |
| color = BYTE_MUL(color, const_alpha); | |
| const quint32 minusAlphaOfColor = qAlpha(~color); | |
| int x = 0; | |
| uint32_t *dst = (uint32_t *) destPixels; | |
| const uint32x4_t colorVector = vdupq_n_u32(color); | |
| uint16x8_t half = vdupq_n_u16(0x80); | |
| const uint16x8_t minusAlphaOfColorVector = vdupq_n_u16(minusAlphaOfColor); | |
| for (; x < length-3; x += 4) { | |
| uint32x4_t dstVector = vld1q_u32(&dst[x]); | |
| const uint8x16_t dst8 = vreinterpretq_u8_u32(dstVector); | |
| const uint8x8_t dst8_low = vget_low_u8(dst8); | |
| const uint8x8_t dst8_high = vget_high_u8(dst8); | |
| const uint16x8_t dst16_low = vmovl_u8(dst8_low); | |
| const uint16x8_t dst16_high = vmovl_u8(dst8_high); | |
| const uint16x8_t result16_low = qvbyte_mul_u16(dst16_low, minusAlphaOfColorVector, half); | |
| const uint16x8_t result16_high = qvbyte_mul_u16(dst16_high, minusAlphaOfColorVector, half); | |
| const uint32x2_t result32_low = vreinterpret_u32_u8(vmovn_u16(result16_low)); | |
| const uint32x2_t result32_high = vreinterpret_u32_u8(vmovn_u16(result16_high)); | |
| uint32x4_t blendedPixels = vcombine_u32(result32_low, result32_high); | |
| uint32x4_t colorPlusBlendedPixels = vaddq_u32(colorVector, blendedPixels); | |
| vst1q_u32(&dst[x], colorPlusBlendedPixels); | |
| } | |
| for (;x < length; ++x) | |
| destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor); | |
| } | |
| } | |
| void QT_FASTCALL comp_func_Plus_neon(uint *dst, const uint *src, int length, uint const_alpha) | |
| { | |
| if (const_alpha == 255) { | |
| uint *const end = dst + length; | |
| uint *const neonEnd = end - 3; | |
| while (dst < neonEnd) { | |
| asm volatile ( | |
| "vld2.8 { d0, d1 }, [%[SRC]] !\n\t" | |
| "vld2.8 { d2, d3 }, [%[DST]]\n\t" | |
| "vqadd.u8 q0, q0, q1\n\t" | |
| "vst2.8 { d0, d1 }, [%[DST]] !\n\t" | |
| : [DST]"+r" (dst), [SRC]"+r" (src) | |
| : | |
| : "memory", "d0", "d1", "d2", "d3", "q0", "q1" | |
| ); | |
| } | |
| while (dst != end) { | |
| *dst = comp_func_Plus_one_pixel(*dst, *src); | |
| ++dst; | |
| ++src; | |
| } | |
| } else { | |
| int x = 0; | |
| const int one_minus_const_alpha = 255 - const_alpha; | |
| const uint16x8_t constAlphaVector = vdupq_n_u16(const_alpha); | |
| const uint16x8_t oneMinusconstAlphaVector = vdupq_n_u16(one_minus_const_alpha); | |
| const uint16x8_t half = vdupq_n_u16(0x80); | |
| for (; x < length - 3; x += 4) { | |
| const uint32x4_t src32 = vld1q_u32((uint32_t *)&src[x]); | |
| const uint8x16_t src8 = vreinterpretq_u8_u32(src32); | |
| uint8x16_t dst8 = vld1q_u8((uint8_t *)&dst[x]); | |
| uint8x16_t result = vqaddq_u8(dst8, src8); | |
| uint16x8_t result_low = vmovl_u8(vget_low_u8(result)); | |
| uint16x8_t result_high = vmovl_u8(vget_high_u8(result)); | |
| uint16x8_t dst_low = vmovl_u8(vget_low_u8(dst8)); | |
| uint16x8_t dst_high = vmovl_u8(vget_high_u8(dst8)); | |
| result_low = qvinterpolate_pixel_255(result_low, constAlphaVector, dst_low, oneMinusconstAlphaVector, half); | |
| result_high = qvinterpolate_pixel_255(result_high, constAlphaVector, dst_high, oneMinusconstAlphaVector, half); | |
| const uint32x2_t result32_low = vreinterpret_u32_u8(vmovn_u16(result_low)); | |
| const uint32x2_t result32_high = vreinterpret_u32_u8(vmovn_u16(result_high)); | |
| vst1q_u32((uint32_t *)&dst[x], vcombine_u32(result32_low, result32_high)); | |
| } | |
| for (; x < length; ++x) | |
| dst[x] = comp_func_Plus_one_pixel_const_alpha(dst[x], src[x], const_alpha, one_minus_const_alpha); | |
| } | |
| } | |
| static const int tileSize = 32; | |
| extern "C" void qt_rotate90_16_neon(quint16 *dst, const quint16 *src, int sstride, int dstride, int count); | |
| void qt_memrotate90_16_neon(const uchar *srcPixels, int w, int h, int sstride, uchar *destPixels, int dstride) | |
| { | |
| const ushort *src = (const ushort *)srcPixels; | |
| ushort *dest = (ushort *)destPixels; | |
| sstride /= sizeof(ushort); | |
| dstride /= sizeof(ushort); | |
| const int pack = sizeof(quint32) / sizeof(ushort); | |
| const int unaligned = | |
| qMin(uint((quintptr(dest) & (sizeof(quint32)-1)) / sizeof(ushort)), uint(h)); | |
| const int restX = w % tileSize; | |
| const int restY = (h - unaligned) % tileSize; | |
| const int unoptimizedY = restY % pack; | |
| const int numTilesX = w / tileSize + (restX > 0); | |
| const int numTilesY = (h - unaligned) / tileSize + (restY >= pack); | |
| for (int tx = 0; tx < numTilesX; ++tx) { | |
| const int startx = w - tx * tileSize - 1; | |
| const int stopx = qMax(startx - tileSize, 0); | |
| if (unaligned) { | |
| for (int x = startx; x >= stopx; --x) { | |
| ushort *d = dest + (w - x - 1) * dstride; | |
| for (int y = 0; y < unaligned; ++y) { | |
| *d++ = src[y * sstride + x]; | |
| } | |
| } | |
| } | |
| for (int ty = 0; ty < numTilesY; ++ty) { | |
| const int starty = ty * tileSize + unaligned; | |
| const int stopy = qMin(starty + tileSize, h - unoptimizedY); | |
| int x = startx; | |
| // qt_rotate90_16_neon writes to eight rows, four pixels at a time | |
| for (; x >= stopx + 7; x -= 8) { | |
| ushort *d = dest + (w - x - 1) * dstride + starty; | |
| const ushort *s = &src[starty * sstride + x - 7]; | |
| qt_rotate90_16_neon(d, s, sstride * 2, dstride * 2, stopy - starty); | |
| } | |
| for (; x >= stopx; --x) { | |
| quint32 *d = reinterpret_cast<quint32*>(dest + (w - x - 1) * dstride + starty); | |
| for (int y = starty; y < stopy; y += pack) { | |
| quint32 c = src[y * sstride + x]; | |
| for (int i = 1; i < pack; ++i) { | |
| const int shift = (sizeof(int) * 8 / pack * i); | |
| const ushort color = src[(y + i) * sstride + x]; | |
| c |= color << shift; | |
| } | |
| *d++ = c; | |
| } | |
| } | |
| } | |
| if (unoptimizedY) { | |
| const int starty = h - unoptimizedY; | |
| for (int x = startx; x >= stopx; --x) { | |
| ushort *d = dest + (w - x - 1) * dstride + starty; | |
| for (int y = starty; y < h; ++y) { | |
| *d++ = src[y * sstride + x]; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| extern "C" void qt_rotate270_16_neon(quint16 *dst, const quint16 *src, int sstride, int dstride, int count); | |
| void qt_memrotate270_16_neon(const uchar *srcPixels, int w, int h, | |
| int sstride, | |
| uchar *destPixels, int dstride) | |
| { | |
| const ushort *src = (const ushort *)srcPixels; | |
| ushort *dest = (ushort *)destPixels; | |
| sstride /= sizeof(ushort); | |
| dstride /= sizeof(ushort); | |
| const int pack = sizeof(quint32) / sizeof(ushort); | |
| const int unaligned = | |
| qMin(uint((long(dest) & (sizeof(quint32)-1)) / sizeof(ushort)), uint(h)); | |
| const int restX = w % tileSize; | |
| const int restY = (h - unaligned) % tileSize; | |
| const int unoptimizedY = restY % pack; | |
| const int numTilesX = w / tileSize + (restX > 0); | |
| const int numTilesY = (h - unaligned) / tileSize + (restY >= pack); | |
| for (int tx = 0; tx < numTilesX; ++tx) { | |
| const int startx = tx * tileSize; | |
| const int stopx = qMin(startx + tileSize, w); | |
| if (unaligned) { | |
| for (int x = startx; x < stopx; ++x) { | |
| ushort *d = dest + x * dstride; | |
| for (int y = h - 1; y >= h - unaligned; --y) { | |
| *d++ = src[y * sstride + x]; | |
| } | |
| } | |
| } | |
| for (int ty = 0; ty < numTilesY; ++ty) { | |
| const int starty = h - 1 - unaligned - ty * tileSize; | |
| const int stopy = qMax(starty - tileSize, unoptimizedY); | |
| int x = startx; | |
| // qt_rotate90_16_neon writes to eight rows, four pixels at a time | |
| for (; x < stopx - 7; x += 8) { | |
| ushort *d = dest + x * dstride + h - 1 - starty; | |
| const ushort *s = &src[starty * sstride + x]; | |
| qt_rotate90_16_neon(d + 7 * dstride, s, -sstride * 2, -dstride * 2, starty - stopy); | |
| } | |
| for (; x < stopx; ++x) { | |
| quint32 *d = reinterpret_cast<quint32*>(dest + x * dstride | |
| + h - 1 - starty); | |
| for (int y = starty; y > stopy; y -= pack) { | |
| quint32 c = src[y * sstride + x]; | |
| for (int i = 1; i < pack; ++i) { | |
| const int shift = (sizeof(int) * 8 / pack * i); | |
| const ushort color = src[(y - i) * sstride + x]; | |
| c |= color << shift; | |
| } | |
| *d++ = c; | |
| } | |
| } | |
| } | |
| if (unoptimizedY) { | |
| const int starty = unoptimizedY - 1; | |
| for (int x = startx; x < stopx; ++x) { | |
| ushort *d = dest + x * dstride + h - 1 - starty; | |
| for (int y = starty; y >= 0; --y) { | |
| *d++ = src[y * sstride + x]; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| QT_END_NAMESPACE | |
| #endif // QT_HAVE_NEON | |