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diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp
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+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 21:23:46 +0000