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authorIan Rickards <Ian.Rickards@arm.com>2009-02-01 21:59:13 +0100
committerKoen Kooi <koen@openembedded.org>2009-02-01 21:59:13 +0100
commit3ad7dfd9f8d0213ce28fc79d672586a5b8b4747d (patch)
treeaa17efb126d87a058ccf1bc1b951c5658553c6c2 /packages/xorg-lib/pixman
parent22ab2a4ce2090db93fe233984f6d15a5776084fd (diff)
pixman 0.13.2: and patch for NEON fastpaths
Diffstat (limited to 'packages/xorg-lib/pixman')
-rw-r--r--packages/xorg-lib/pixman/pixman-0.13.2-neon1.patch1712
1 files changed, 1712 insertions, 0 deletions
diff --git a/packages/xorg-lib/pixman/pixman-0.13.2-neon1.patch b/packages/xorg-lib/pixman/pixman-0.13.2-neon1.patch
new file mode 100644
index 0000000000..5c89721d8f
--- /dev/null
+++ b/packages/xorg-lib/pixman/pixman-0.13.2-neon1.patch
@@ -0,0 +1,1712 @@
+diff --git a/configure.ac b/configure.ac
+index 063f6eb..bada55c 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -278,11 +278,12 @@ AC_SUBST(VMX_CFLAGS)
+ AM_CONDITIONAL(USE_VMX, test $have_vmx_intrinsics = yes)
+
+ dnl Check for ARM SIMD instructions
++ARM_SIMD_CFLAGS=""
+
+ have_arm_simd=no
+ AC_MSG_CHECKING(whether to use ARM SIMD assembler)
+ xserver_save_CFLAGS=$CFLAGS
+-CFLAGS="$CFLAGS $ARM_CFLAGS"
++CFLAGS="$CFLAGS $ARM_SIMD_CFLAGS"
+ AC_COMPILE_IFELSE([
+ int main () {
+ asm("uqadd8 r1, r1, r2");
+@@ -302,7 +303,7 @@ fi
+ if test $have_arm_simd = yes ; then
+ AC_DEFINE(USE_ARM_SIMD, 1, [use ARM SIMD compiler intrinsics])
+ else
+- ARM_CFLAGS=
++ ARM_SIMD_CFLAGS=
+ fi
+
+ AC_MSG_RESULT($have_arm_simd)
+@@ -310,9 +311,48 @@ if test $enable_arm_simd = yes && test $have_arm_simd = no ; then
+ AC_MSG_ERROR([ARM SIMD intrinsics not detected])
+ fi
+
+-AC_SUBST(ARM_CFLAGS)
++dnl Check for ARM NEON instructions
++ARM_NEON_CFLAGS="-mcpu=cortex-a8 -mfpu=neon"
++
++have_arm_neon=no
++AC_MSG_CHECKING(whether to use ARM NEON)
++xserver_save_CFLAGS=$CFLAGS
++CFLAGS="$CFLAGS $ARM_NEON_CFLAGS"
++AC_COMPILE_IFELSE([
++#include <arm_neon.h>
++int main () {
++ uint8x8_t neon_test=vmov_n_u8(0);
++ return 0;
++}], have_arm_neon=yes)
++CFLAGS=$xserver_save_CFLAGS
++
++AC_ARG_ENABLE(arm-neon,
++ [AC_HELP_STRING([--disable-arm-neon],
++ [disable ARM NEON fast paths])],
++ [enable_arm_neon=$enableval], [enable_arm_neon=auto])
++
++if test $enable_arm_neon = no ; then
++ have_arm_neon=disabled
++fi
++
++if test $have_arm_neon = yes ; then
++ AC_DEFINE(USE_ARM_NEON, 1, [use ARM NEON compiler intrinsics])
++else
++ ARM_NEON_CFLAGS=
++fi
++
++AC_MSG_RESULT($have_arm_neon)
++if test $enable_arm_neon = yes && test $have_arm_neon = no ; then
++ AC_MSG_ERROR([ARM NEON intrinsics not detected])
++fi
++
++
++AC_SUBST(ARM_SIMD_CFLAGS)
++AC_SUBST(ARM_NEON_CFLAGS)
+
+ AM_CONDITIONAL(USE_ARM_SIMD, test $have_arm_simd = yes)
++AM_CONDITIONAL(USE_ARM_NEON, test $have_arm_neon = yes)
++
+
+
+ AC_ARG_ENABLE(gtk,
+diff --git a/pixman/Makefile.am b/pixman/Makefile.am
+index c4612ea..4c1ec6b 100644
+--- a/pixman/Makefile.am
++++ b/pixman/Makefile.am
+@@ -80,15 +80,26 @@ libpixman_sse2_la_LIBADD = $(DEP_LIBS)
+ libpixman_1_la_LIBADD += libpixman-sse2.la
+ endif
+
+-# arm code
++# arm simd code
+ if USE_ARM_SIMD
+ noinst_LTLIBRARIES += libpixman-arm-simd.la
+ libpixman_arm_simd_la_SOURCES = \
+ pixman-arm-simd.c \
+ pixman-arm-simd.h
+-libpixman_arm_simd_la_CFLAGS = $(DEP_CFLAGS) $(ARM_CFLAGS)
++libpixman_arm_simd_la_CFLAGS = $(DEP_CFLAGS) $(ARM_SIMD_CFLAGS)
+ libpixman_arm_simd_la_LIBADD = $(DEP_LIBS)
+ libpixman_1_la_LIBADD += libpixman-arm-simd.la
+ endif
+
++# arm neon code
++if USE_ARM_NEON
++noinst_LTLIBRARIES += libpixman-arm-neon.la
++libpixman_arm_neon_la_SOURCES = \
++ pixman-arm-neon.c \
++ pixman-arm-neon.h
++libpixman_arm_neon_la_CFLAGS = $(DEP_CFLAGS) $(ARM_NEON_CFLAGS)
++libpixman_arm_neon_la_LIBADD = $(DEP_LIBS)
++libpixman_1_la_LIBADD += libpixman-arm-neon.la
++endif
++
+
+diff --git a/pixman/pixman-arm-neon.c b/pixman/pixman-arm-neon.c
+new file mode 100644
+index 0000000..f8a41a8
+--- /dev/null
++++ b/pixman/pixman-arm-neon.c
+@@ -0,0 +1,1397 @@
++/*
++ * Copyright © 2009 Mozilla Corporation
++ *
++ * Permission to use, copy, modify, distribute, and sell this software and its
++ * documentation for any purpose is hereby granted without fee, provided that
++ * the above copyright notice appear in all copies and that both that
++ * copyright notice and this permission notice appear in supporting
++ * documentation, and that the name of Mozilla Corporation not be used in
++ * advertising or publicity pertaining to distribution of the software without
++ * specific, written prior permission. Mozilla Corporation makes no
++ * representations about the suitability of this software for any purpose. It
++ * is provided "as is" without express or implied warranty.
++ *
++ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
++ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
++ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
++ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
++ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
++ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
++ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
++ * SOFTWARE.
++ *
++ * Author: Ian Rickards (ian.rickards@arm.com)
++ *
++ */
++
++#ifdef HAVE_CONFIG_H
++#include <config.h>
++#endif
++
++#include "pixman-arm-neon.h"
++
++#include <arm_neon.h>
++
++
++#if !defined(__ARMCC_VERSION) && !defined(FORCE_NO_NEON_INLINE_ASM)
++// [both armcc & gcc set __GNUC__]
++// Use GNU style inline asm on gcc, for best performance
++// Use intrinsics on armcc
++// This switch determines if any GNU style inline asm is allowed
++#define USE_NEON_INLINE_ASM
++#endif
++
++
++static force_inline uint8x8x4_t unpack0565(uint16x8_t rgb)
++{
++ uint16x8_t gb, b;
++ uint8x8x4_t res;
++
++ res.val[3] = vdup_n_u8(0);
++ gb = vshrq_n_u16(rgb, 5);
++ b = vshrq_n_u16(rgb, 5+6);
++ res.val[0] = vmovn_u16(rgb); // get low 5 bits
++ res.val[1] = vmovn_u16(gb); // get mid 6 bits
++ res.val[2] = vmovn_u16(b); // get top 5 bits
++
++ res.val[0] = vshl_n_u8(res.val[0], 3); // shift to top
++ res.val[1] = vshl_n_u8(res.val[1], 2); // shift to top
++ res.val[2] = vshl_n_u8(res.val[2], 3); // shift to top
++
++ res.val[0] = vsri_n_u8(res.val[0], res.val[0], 5);
++ res.val[1] = vsri_n_u8(res.val[1], res.val[1], 6);
++ res.val[2] = vsri_n_u8(res.val[2], res.val[2], 5);
++
++ return res;
++}
++
++static force_inline uint16x8_t pack0565(uint8x8x4_t s)
++{
++ uint16x8_t rgb, val_g, val_r;
++
++ rgb = vshll_n_u8(s.val[2],8);
++ val_g = vshll_n_u8(s.val[1],8);
++ val_r = vshll_n_u8(s.val[0],8);
++ rgb = vsriq_n_u16(rgb, val_g, 5);
++ rgb = vsriq_n_u16(rgb, val_r, 5+6);
++
++ return rgb;
++}
++
++static force_inline uint8x8_t neon2mul(uint8x8_t x, uint8x8_t alpha)
++{
++ uint16x8_t tmp,tmp2;
++ uint8x8_t res;
++
++ tmp = vmull_u8(x,alpha);
++ tmp2 = vrshrq_n_u16(tmp,8);
++ res = vraddhn_u16(tmp,tmp2);
++
++ return res;
++}
++
++static force_inline uint8x8x4_t neon8mul(uint8x8x4_t x, uint8x8_t alpha)
++{
++ uint16x8x4_t tmp;
++ uint8x8x4_t res;
++ uint16x8_t qtmp1,qtmp2;
++
++ tmp.val[0] = vmull_u8(x.val[0],alpha);
++ tmp.val[1] = vmull_u8(x.val[1],alpha);
++ tmp.val[2] = vmull_u8(x.val[2],alpha);
++ tmp.val[3] = vmull_u8(x.val[3],alpha);
++
++ qtmp1 = vrshrq_n_u16(tmp.val[0],8);
++ qtmp2 = vrshrq_n_u16(tmp.val[1],8);
++ res.val[0] = vraddhn_u16(tmp.val[0],qtmp1);
++ qtmp1 = vrshrq_n_u16(tmp.val[2],8);
++ res.val[1] = vraddhn_u16(tmp.val[1],qtmp2);
++ qtmp2 = vrshrq_n_u16(tmp.val[3],8);
++ res.val[2] = vraddhn_u16(tmp.val[2],qtmp1);
++ res.val[3] = vraddhn_u16(tmp.val[3],qtmp2);
++
++ return res;
++}
++
++static force_inline uint8x8x4_t neon8qadd(uint8x8x4_t x, uint8x8x4_t y)
++{
++ uint8x8x4_t res;
++
++ res.val[0] = vqadd_u8(x.val[0],y.val[0]);
++ res.val[1] = vqadd_u8(x.val[1],y.val[1]);
++ res.val[2] = vqadd_u8(x.val[2],y.val[2]);
++ res.val[3] = vqadd_u8(x.val[3],y.val[3]);
++
++ return res;
++}
++
++
++void
++fbCompositeSrcAdd_8000x8000neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint8_t *dstLine, *dst;
++ uint8_t *srcLine, *src;
++ int dstStride, srcStride;
++ uint16_t w;
++
++ fbComposeGetStart (pSrc, xSrc, ySrc, uint8_t, srcStride, srcLine, 1);
++ fbComposeGetStart (pDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ uint8_t *keep_dst;
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8_t sval,dval,temp;
++
++ sval = vld1_u8((void*)src);
++ dval = vld1_u8((void*)dst);
++ keep_dst = dst;
++
++ temp = vqadd_u8(dval,sval);
++
++ src += (w & 7);
++ dst += (w & 7);
++ w -= (w & 7);
++
++ while (w)
++ {
++ sval = vld1_u8((void*)src);
++ dval = vld1_u8((void*)dst);
++
++ vst1_u8((void*)keep_dst,temp);
++ keep_dst = dst;
++
++ temp = vqadd_u8(dval,sval);
++
++ src+=8;
++ dst+=8;
++ w-=8;
++ }
++ vst1_u8((void*)keep_dst,temp);
++#else
++ asm volatile (
++// avoid using d8-d15 (q4-q7) aapcs callee-save registers
++ "vld1.8 {d0}, [%[src]]\n\t"
++ "vld1.8 {d4}, [%[dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++
++ "and ip, %[w], #7\n\t"
++ "add %[src], %[src], ip\n\t"
++ "add %[dst], %[dst], ip\n\t"
++ "subs %[w], %[w], ip\n\t"
++ "b 9f\n\t"
++// LOOP
++ "2:\n\t"
++ "vld1.8 {d0}, [%[src]]\n\t"
++ "vld1.8 {d4}, [%[dst]]\n\t"
++ "vst1.8 {d20}, [%[keep_dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++ "add %[src], %[src], #8\n\t"
++ "add %[dst], %[dst], #8\n\t"
++ "subs %[w], %[w], #8\n\t"
++ "9:\n\t"
++ "vqadd.u8 d20, d0, d4\n\t"
++
++ "bne 2b\n\t"
++
++ "1:\n\t"
++ "vst1.8 {d20}, [%[keep_dst]]\n\t"
++
++ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
++ :
++ : "ip", "cc", "memory", "d0","d4",
++ "d20"
++ );
++#endif
++ }
++ }
++ else
++ {
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++ uint8x8_t sval, dval;
++ uint8_t *dst4, *dst2;
++
++ if (w&4)
++ {
++ sval = vreinterpret_u8_u32(vld1_lane_u32((void*)src,vreinterpret_u32_u8(sval),1));
++ dval = vreinterpret_u8_u32(vld1_lane_u32((void*)dst,vreinterpret_u32_u8(dval),1));
++ dst4=dst;
++ src+=4;
++ dst+=4;
++ }
++ if (w&2)
++ {
++ sval = vreinterpret_u8_u16(vld1_lane_u16((void*)src,vreinterpret_u16_u8(sval),1));
++ dval = vreinterpret_u8_u16(vld1_lane_u16((void*)dst,vreinterpret_u16_u8(dval),1));
++ dst2=dst;
++ src+=2;
++ dst+=2;
++ }
++ if (w&1)
++ {
++ sval = vld1_lane_u8((void*)src,sval,1);
++ dval = vld1_lane_u8((void*)dst,dval,1);
++ }
++
++ dval = vqadd_u8(dval,sval);
++
++ if (w&1)
++ vst1_lane_u8((void*)dst,dval,1);
++ if (w&2)
++ vst1_lane_u16((void*)dst2,vreinterpret_u16_u8(dval),1);
++ if (w&4)
++ vst1_lane_u32((void*)dst4,vreinterpret_u32_u8(dval),1);
++ }
++ }
++}
++
++
++void
++fbCompositeSrc_8888x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint32_t *dstLine, *dst;
++ uint32_t *srcLine, *src;
++ int dstStride, srcStride;
++ uint32_t w;
++
++ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
++ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ uint32_t *keep_dst;
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8x4_t sval,dval,temp;
++
++ sval = vld4_u8((void*)src);
++ dval = vld4_u8((void*)dst);
++ keep_dst = dst;
++
++ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
++ temp = neon8qadd(sval,temp);
++
++ src += (w & 7);
++ dst += (w & 7);
++ w -= (w & 7);
++
++ while (w)
++ {
++ sval = vld4_u8((void*)src);
++ dval = vld4_u8((void*)dst);
++
++ vst4_u8((void*)keep_dst,temp);
++ keep_dst = dst;
++
++ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
++ temp = neon8qadd(sval,temp);
++
++ src+=8;
++ dst+=8;
++ w-=8;
++ }
++ vst4_u8((void*)keep_dst,temp);
++#else
++ asm volatile (
++// avoid using d8-d15 (q4-q7) aapcs callee-save registers
++ "vld4.8 {d0-d3}, [%[src]]\n\t"
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++
++ "and ip, %[w], #7\n\t"
++ "add %[src], %[src], ip, LSL#2\n\t"
++ "add %[dst], %[dst], ip, LSL#2\n\t"
++ "subs %[w], %[w], ip\n\t"
++ "b 9f\n\t"
++// LOOP
++ "2:\n\t"
++ "vld4.8 {d0-d3}, [%[src]]\n\t"
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++ "add %[src], %[src], #8*4\n\t"
++ "add %[dst], %[dst], #8*4\n\t"
++ "subs %[w], %[w], #8\n\t"
++ "9:\n\t"
++ "vmvn.8 d31, d3\n\t"
++ "vmull.u8 q10, d31, d4\n\t"
++ "vmull.u8 q11, d31, d5\n\t"
++ "vmull.u8 q12, d31, d6\n\t"
++ "vmull.u8 q13, d31, d7\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d20, q10, q8\n\t"
++ "vraddhn.u16 d21, q11, q9\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vraddhn.u16 d22, q12, q8\n\t"
++ "vraddhn.u16 d23, q13, q9\n\t"
++// result in d20-d23
++ "vqadd.u8 d20, d0, d20\n\t"
++ "vqadd.u8 d21, d1, d21\n\t"
++ "vqadd.u8 d22, d2, d22\n\t"
++ "vqadd.u8 d23, d3, d23\n\t"
++
++ "bne 2b\n\t"
++
++ "1:\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++
++ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
++ :
++ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
++ "d16","d17","d18","d19","d20","d21","d22","d23"
++ );
++#endif
++ }
++ }
++ else
++ {
++ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
++
++ // Handle width<8
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ while (w>=2)
++ {
++ uint8x8_t sval,dval;
++
++ /* two 32-bit pixels packed into D-reg; ad-hoc vectorization */
++ sval = vreinterpret_u8_u32(vld1_u32((void*)src));
++ dval = vreinterpret_u8_u32(vld1_u32((void*)dst));
++ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval),alpha_selector));
++ vst1_u8((void*)dst,vqadd_u8(sval,dval));
++
++ src+=2;
++ dst+=2;
++ w-=2;
++ }
++
++ if (w)
++ {
++ uint8x8_t sval,dval;
++
++ /* single 32-bit pixel in lane 0 */
++ sval = vreinterpret_u8_u32(vld1_dup_u32((void*)src)); // only interested in lane 0
++ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst)); // only interested in lane 0
++ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval),alpha_selector));
++ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(vqadd_u8(sval,dval)),0);
++ }
++ }
++ }
++}
++
++
++
++void
++fbCompositeSrc_x888x0565neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint16_t *dstLine, *dst;
++ uint32_t *srcLine, *src;
++ int dstStride, srcStride;
++ uint32_t w;
++
++ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
++ fbComposeGetStart (pDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
++
++ if (width>=8)
++ {
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ do {
++ while (w>=8)
++ {
++#ifndef USE_NEON_INLINE_ASM
++ vst1q_u16(dst, pack0565(vld4_u8((void*)src)));
++#else
++ asm volatile (
++ "vld4.8 {d4-d7}, [%[src]]\n\t"
++ "vshll.u8 q0, d6, #8\n\t"
++ "vshll.u8 q1, d5, #8\n\t"
++ "vsriq.u16 q0, q1, #5\t\n"
++ "vshll.u8 q1, d4, #8\n\t"
++ "vsriq.u16 q0, q1, #11\t\n"
++ "vst1.16 {q0}, [%[dst]]\n\t"
++ :
++ : [dst] "r" (dst), [src] "r" (src)
++ : "memory", "d0","d1","d2","d3","d4","d5","d6","d7"
++ );
++#endif
++ src+=8;
++ dst+=8;
++ w-=8;
++ }
++ if (w != 0)
++ {
++ src -= (8-w);
++ dst -= (8-w);
++ w = 8; // do another vector
++ }
++ } while (w!=0);
++ }
++ }
++ else
++ {
++ // Handle width<8
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ while (w>=2)
++ {
++ uint32x2_t sval, rgb, g, b;
++ sval = vld1_u32(src);
++ rgb = vshr_n_u32(sval,8-5); // r (5 bits)
++ g = vshr_n_u32(sval,8+8-6); // g to bottom byte
++ rgb = vsli_n_u32(rgb, g, 5);
++ b = vshr_n_u32(sval,8+8+8-5); // b to bottom byte
++ rgb = vsli_n_u32(rgb, b, 11);
++ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),0);
++ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),2);
++ src+=2;
++ w-=2;
++ }
++ if (w)
++ {
++ uint32x2_t sval, rgb, g, b;
++ sval = vld1_dup_u32(src);
++ rgb = vshr_n_u32(sval,8-5); // r (5 bits)
++ g = vshr_n_u32(sval,8+8-6); // g to bottom byte
++ rgb = vsli_n_u32(rgb, g, 5);
++ b = vshr_n_u32(sval,8+8+8-5); // b to bottom byte
++ rgb = vsli_n_u32(rgb, b, 11);
++ vst1_lane_u16(dst++,vreinterpret_u16_u32(rgb),0);
++ }
++ }
++ }
++}
++
++
++void
++fbCompositeSrc_8888x8x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint32_t *dstLine, *dst;
++ uint32_t *srcLine, *src;
++ uint32_t mask;
++ int dstStride, srcStride;
++ uint32_t w;
++ uint8x8_t mask_alpha;
++
++ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
++ fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
++
++ fbComposeGetSolid (pMask, mask, pDst->bits.format);
++ mask_alpha = vdup_n_u8((mask) >> 24);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ uint32_t *keep_dst;
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8x4_t sval,dval,temp;
++
++ sval = vld4_u8((void*)src);
++ dval = vld4_u8((void*)dst);
++ keep_dst = dst;
++
++ sval = neon8mul(sval,mask_alpha);
++ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
++ temp = neon8qadd(sval,temp);
++
++ src += (w & 7);
++ dst += (w & 7);
++ w -= (w & 7);
++
++ while (w)
++ {
++ sval = vld4_u8((void*)src);
++ dval = vld4_u8((void*)dst);
++
++ vst4_u8((void*)keep_dst,temp);
++ keep_dst = dst;
++
++ sval = neon8mul(sval,mask_alpha);
++ temp = neon8mul(dval,vmvn_u8(sval.val[3]));
++ temp = neon8qadd(sval,temp);
++
++ src+=8;
++ dst+=8;
++ w-=8;
++ }
++ vst4_u8((void*)keep_dst,temp);
++#else
++ asm volatile (
++// avoid using d8-d15 (q4-q7) aapcs callee-save registers
++ "vdup.32 d30, %[mask]\n\t"
++ "vdup.8 d30, d30[3]\n\t"
++
++ "vld4.8 {d0-d3}, [%[src]]\n\t"
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++
++ "and ip, %[w], #7\n\t"
++ "add %[src], %[src], ip, LSL#2\n\t"
++ "add %[dst], %[dst], ip, LSL#2\n\t"
++ "subs %[w], %[w], ip\n\t"
++ "b 9f\n\t"
++// LOOP
++ "2:\n\t"
++ "vld4.8 {d0-d3}, [%[src]]\n\t"
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++ "add %[src], %[src], #8*4\n\t"
++ "add %[dst], %[dst], #8*4\n\t"
++ "subs %[w], %[w], #8\n\t"
++
++ "9:\n\t"
++ "vmull.u8 q10, d30, d0\n\t"
++ "vmull.u8 q11, d30, d1\n\t"
++ "vmull.u8 q12, d30, d2\n\t"
++ "vmull.u8 q13, d30, d3\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d0, q10, q8\n\t"
++ "vraddhn.u16 d1, q11, q9\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d3, q13, q9\n\t"
++ "vraddhn.u16 d2, q12, q8\n\t"
++
++ "vmvn.8 d31, d3\n\t"
++ "vmull.u8 q10, d31, d4\n\t"
++ "vmull.u8 q11, d31, d5\n\t"
++ "vmull.u8 q12, d31, d6\n\t"
++ "vmull.u8 q13, d31, d7\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d20, q10, q8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d21, q11, q9\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vraddhn.u16 d22, q12, q8\n\t"
++ "vraddhn.u16 d23, q13, q9\n\t"
++// result in d20-d23
++ "vqadd.u8 d20, d0, d20\n\t"
++ "vqadd.u8 d21, d1, d21\n\t"
++ "vqadd.u8 d22, d2, d22\n\t"
++ "vqadd.u8 d23, d3, d23\n\t"
++
++ "bne 2b\n\t"
++
++ "1:\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++
++ : [w] "+r" (w), [src] "+r" (src), [dst] "+r" (dst), [keep_dst] "+r" (keep_dst)
++ : [mask] "r" (mask)
++ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
++ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27",
++ "d30","d31"
++ );
++#endif
++ }
++ }
++ else
++ {
++ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
++
++ // Handle width<8
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ src = srcLine;
++ srcLine += srcStride;
++ w = width;
++
++ while (w>=2)
++ {
++ uint8x8_t sval,dval;
++
++ sval = vreinterpret_u8_u32(vld1_u32((void*)src));
++ dval = vreinterpret_u8_u32(vld1_u32((void*)dst));
++
++ /* sval * const alpha_mul */
++ sval = neon2mul(sval,mask_alpha);
++
++ /* dval * 255-(src alpha) */
++ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval), alpha_selector));
++
++ vst1_u8((void*)dst,vqadd_u8(sval,dval));
++
++ src+=2;
++ dst+=2;
++ w-=2;
++ }
++
++ if (w)
++ {
++ uint8x8_t sval,dval;
++
++ sval = vreinterpret_u8_u32(vld1_dup_u32((void*)src));
++ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst));
++
++ /* sval * const alpha_mul */
++ sval = neon2mul(sval,mask_alpha);
++
++ /* dval * 255-(src alpha) */
++ dval = neon2mul(dval,vtbl1_u8(vmvn_u8(sval), alpha_selector));
++
++ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(vqadd_u8(sval,dval)),0);
++ }
++ }
++ }
++}
++
++
++
++void
++fbCompositeSolidMask_nx8x0565neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint32_t src, srca;
++ uint16_t *dstLine, *dst;
++ uint8_t *maskLine, *mask;
++ int dstStride, maskStride;
++ uint32_t w;
++ uint8x8_t sval2;
++ uint8x8x4_t sval8;
++
++ fbComposeGetSolid(pSrc, src, pDst->bits.format);
++
++ srca = src >> 24;
++ if (src == 0)
++ return;
++
++ sval2=vreinterpret_u8_u32(vdup_n_u32(src));
++ sval8.val[0]=vdup_lane_u8(sval2,0);
++ sval8.val[1]=vdup_lane_u8(sval2,1);
++ sval8.val[2]=vdup_lane_u8(sval2,2);
++ sval8.val[3]=vdup_lane_u8(sval2,3);
++
++ fbComposeGetStart (pDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
++ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
++ while (height--)
++ {
++ uint16_t *keep_dst;
++
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8_t alpha;
++ uint16x8_t dval, temp;
++ uint8x8x4_t sval8temp;
++
++ alpha = vld1_u8((void*)mask);
++ dval = vld1q_u16((void*)dst);
++ keep_dst = dst;
++
++ sval8temp = neon8mul(sval8,alpha);
++ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
++
++ mask += (w & 7);
++ dst += (w & 7);
++ w -= (w & 7);
++
++ while (w)
++ {
++ dval = vld1q_u16((void*)dst);
++ alpha = vld1_u8((void*)mask);
++
++ vst1q_u16((void*)keep_dst,temp);
++ keep_dst = dst;
++
++ sval8temp = neon8mul(sval8,alpha);
++ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
++
++ mask+=8;
++ dst+=8;
++ w-=8;
++ }
++ vst1q_u16((void*)keep_dst,temp);
++#else
++ asm volatile (
++ "vdup.32 d0, %[src]\n\t"
++ "vdup.8 d1, d0[1]\n\t"
++ "vdup.8 d2, d0[2]\n\t"
++ "vdup.8 d3, d0[3]\n\t"
++ "vdup.8 d0, d0[0]\n\t"
++
++ "vld1.8 {q12}, [%[dst]]\n\t"
++ "vld1.8 {d31}, [%[mask]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++
++ "and ip, %[w], #7\n\t"
++ "add %[mask], %[mask], ip\n\t"
++ "add %[dst], %[dst], ip, LSL#1\n\t"
++ "subs %[w], %[w], ip\n\t"
++ "b 9f\n\t"
++// LOOP
++ "2:\n\t"
++
++ "vld1.16 {q12}, [%[dst]]\n\t"
++ "vld1.8 {d31}, [%[mask]]\n\t"
++ "vst1.16 {q10}, [%[keep_dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++ "add %[mask], %[mask], #8\n\t"
++ "add %[dst], %[dst], #8*2\n\t"
++ "subs %[w], %[w], #8\n\t"
++ "9:\n\t"
++// expand 0565 q12 to 8888 {d4-d7}
++ "vmovn.u16 d4, q12\t\n"
++ "vshr.u16 q11, q12, #5\t\n"
++ "vshr.u16 q10, q12, #6+5\t\n"
++ "vmovn.u16 d5, q11\t\n"
++ "vmovn.u16 d6, q10\t\n"
++ "vshl.u8 d4, d4, #3\t\n"
++ "vshl.u8 d5, d5, #2\t\n"
++ "vshl.u8 d6, d6, #3\t\n"
++ "vsri.u8 d4, d4, #5\t\n"
++ "vsri.u8 d5, d5, #6\t\n"
++ "vsri.u8 d6, d6, #5\t\n"
++
++ "vmull.u8 q10, d31, d0\n\t"
++ "vmull.u8 q11, d31, d1\n\t"
++ "vmull.u8 q12, d31, d2\n\t"
++ "vmull.u8 q13, d31, d3\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d20, q10, q8\n\t"
++ "vraddhn.u16 d21, q11, q9\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d23, q13, q9\n\t"
++ "vraddhn.u16 d22, q12, q8\n\t"
++
++// duplicate in 4/2/1 & 8pix vsns
++ "vmvn.8 d30, d23\n\t"
++ "vmull.u8 q14, d30, d6\n\t"
++ "vmull.u8 q13, d30, d5\n\t"
++ "vmull.u8 q12, d30, d4\n\t"
++ "vrshr.u16 q8, q14, #8\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vraddhn.u16 d6, q14, q8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d5, q13, q9\n\t"
++ "vqadd.u8 d6, d6, d22\n\t" // moved up
++ "vraddhn.u16 d4, q12, q8\n\t"
++// intentionally don't calculate alpha
++// result in d4-d6
++
++// "vqadd.u8 d6, d6, d22\n\t" ** moved up
++ "vqadd.u8 d5, d5, d21\n\t"
++ "vqadd.u8 d4, d4, d20\n\t"
++
++// pack 8888 {d20-d23} to 0565 q10
++ "vshll.u8 q10, d6, #8\n\t"
++ "vshll.u8 q3, d5, #8\n\t"
++ "vshll.u8 q2, d4, #8\n\t"
++ "vsri.u16 q10, q3, #5\t\n"
++ "vsri.u16 q10, q2, #11\t\n"
++
++ "bne 2b\n\t"
++
++ "1:\n\t"
++ "vst1.16 {q10}, [%[keep_dst]]\n\t"
++
++ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [keep_dst] "+r" (keep_dst)
++ : [src] "r" (src)
++ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
++ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
++ "d30","d31"
++ );
++#endif
++ }
++ }
++ else
++ {
++ while (height--)
++ {
++ void *dst4, *dst2;
++
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8_t alpha;
++ uint16x8_t dval, temp;
++ uint8x8x4_t sval8temp;
++
++ if (w&4)
++ {
++ alpha = vreinterpret_u8_u32(vld1_lane_u32((void*)mask,vreinterpret_u32_u8(alpha),1));
++ dval = vreinterpretq_u16_u64(vld1q_lane_u64((void*)dst,vreinterpretq_u64_u16(dval),1));
++ dst4=dst;
++ mask+=4;
++ dst+=4;
++ }
++ if (w&2)
++ {
++ alpha = vreinterpret_u8_u16(vld1_lane_u16((void*)mask,vreinterpret_u16_u8(alpha),1));
++ dval = vreinterpretq_u16_u32(vld1q_lane_u32((void*)dst,vreinterpretq_u32_u16(dval),1));
++ dst2=dst;
++ mask+=2;
++ dst+=2;
++ }
++ if (w&1)
++ {
++ alpha = vld1_lane_u8((void*)mask,alpha,1);
++ dval = vld1q_lane_u16((void*)dst,dval,1);
++ }
++
++ sval8temp = neon8mul(sval8,alpha);
++ temp = pack0565(neon8qadd(sval8temp,neon8mul(unpack0565(dval),vmvn_u8(sval8temp.val[3]))));
++
++ if (w&1)
++ vst1q_lane_u16((void*)dst,temp,1);
++ if (w&2)
++ vst1q_lane_u32((void*)dst2,vreinterpretq_u32_u16(temp),1);
++ if (w&4)
++ vst1q_lane_u64((void*)dst4,vreinterpretq_u64_u16(temp),1);
++#else
++ asm volatile (
++ "vdup.32 d0, %[src]\n\t"
++ "vdup.8 d1, d0[1]\n\t"
++ "vdup.8 d2, d0[2]\n\t"
++ "vdup.8 d3, d0[3]\n\t"
++ "vdup.8 d0, d0[0]\n\t"
++
++ "tst %[w], #4\t\n"
++ "beq skip_load4\t\n"
++
++ "vld1.64 {d25}, [%[dst]]\n\t"
++ "vld1.32 {d31[1]}, [%[mask]]\n\t"
++ "mov %[dst4], %[dst]\t\n"
++ "add %[mask], %[mask], #4\t\n"
++ "add %[dst], %[dst], #4*2\t\n"
++
++ "skip_load4:\t\n"
++ "tst %[w], #2\t\n"
++ "beq skip_load2\t\n"
++ "vld1.32 {d24[1]}, [%[dst]]\n\t"
++ "vld1.16 {d31[1]}, [%[mask]]\n\t"
++ "mov %[dst2], %[dst]\t\n"
++ "add %[mask], %[mask], #2\t\n"
++ "add %[dst], %[dst], #2*2\t\n"
++
++ "skip_load2:\t\n"
++ "tst %[w], #1\t\n"
++ "beq skip_load1\t\n"
++ "vld1.16 {d24[1]}, [%[dst]]\n\t"
++ "vld1.8 {d31[1]}, [%[mask]]\n\t"
++
++ "skip_load1:\t\n"
++// expand 0565 q12 to 8888 {d4-d7}
++ "vmovn.u16 d4, q12\t\n"
++ "vshr.u16 q11, q12, #5\t\n"
++ "vshr.u16 q10, q12, #6+5\t\n"
++ "vmovn.u16 d5, q11\t\n"
++ "vmovn.u16 d6, q10\t\n"
++ "vshl.u8 d4, d4, #3\t\n"
++ "vshl.u8 d5, d5, #2\t\n"
++ "vshl.u8 d6, d6, #3\t\n"
++ "vsri.u8 d4, d4, #5\t\n"
++ "vsri.u8 d5, d5, #6\t\n"
++ "vsri.u8 d6, d6, #5\t\n"
++
++ "vmull.u8 q10, d31, d0\n\t"
++ "vmull.u8 q11, d31, d1\n\t"
++ "vmull.u8 q12, d31, d2\n\t"
++ "vmull.u8 q13, d31, d3\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d20, q10, q8\n\t"
++ "vraddhn.u16 d21, q11, q9\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d23, q13, q9\n\t"
++ "vraddhn.u16 d22, q12, q8\n\t"
++
++// duplicate in 4/2/1 & 8pix vsns
++ "vmvn.8 d30, d23\n\t"
++ "vmull.u8 q14, d30, d6\n\t"
++ "vmull.u8 q13, d30, d5\n\t"
++ "vmull.u8 q12, d30, d4\n\t"
++ "vrshr.u16 q8, q14, #8\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vraddhn.u16 d6, q14, q8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d5, q13, q9\n\t"
++ "vqadd.u8 d6, d6, d22\n\t" // moved up
++ "vraddhn.u16 d4, q12, q8\n\t"
++// intentionally don't calculate alpha
++// result in d4-d6
++
++// "vqadd.u8 d6, d6, d22\n\t" ** moved up
++ "vqadd.u8 d5, d5, d21\n\t"
++ "vqadd.u8 d4, d4, d20\n\t"
++
++// pack 8888 {d20-d23} to 0565 q10
++ "vshll.u8 q10, d6, #8\n\t"
++ "vshll.u8 q3, d5, #8\n\t"
++ "vshll.u8 q2, d4, #8\n\t"
++ "vsri.u16 q10, q3, #5\t\n"
++ "vsri.u16 q10, q2, #11\t\n"
++
++ "tst %[w], #1\n\t"
++ "beq skip_store1\t\n"
++ "vst1.16 {d20[1]}, [%[dst]]\t\n"
++ "skip_store1:\t\n"
++ "tst %[w], #2\n\t"
++ "beq skip_store2\t\n"
++ "vst1.32 {d20[1]}, [%[dst2]]\t\n"
++ "skip_store2:\t\n"
++ "tst %[w], #4\n\t"
++ "beq skip_store4\t\n"
++ "vst1.16 {d21}, [%[dst4]]\t\n"
++ "skip_store4:\t\n"
++
++ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [dst4] "+r" (dst4), [dst2] "+r" (dst2)
++ : [src] "r" (src)
++ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
++ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
++ "d30","d31"
++ );
++#endif
++ }
++ }
++}
++
++
++void
++fbCompositeSolidMask_nx8x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint32_t src, srca;
++ uint32_t *dstLine, *dst;
++ uint8_t *maskLine, *mask;
++ int dstStride, maskStride;
++ uint32_t w;
++ uint8x8_t sval2;
++ uint8x8x4_t sval8;
++ uint8x8_t mask_selector=vreinterpret_u8_u64(vcreate_u64(0x0101010100000000ULL));
++ uint8x8_t alpha_selector=vreinterpret_u8_u64(vcreate_u64(0x0707070703030303ULL));
++
++ fbComposeGetSolid(pSrc, src, pDst->bits.format);
++
++ srca = src >> 24;
++ if (src == 0)
++ return;
++
++ sval2=vreinterpret_u8_u32(vdup_n_u32(src));
++ sval8.val[0]=vdup_lane_u8(sval2,0);
++ sval8.val[1]=vdup_lane_u8(sval2,1);
++ sval8.val[2]=vdup_lane_u8(sval2,2);
++ sval8.val[3]=vdup_lane_u8(sval2,3);
++
++ fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
++ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
++ while (height--)
++ {
++ uint32_t *keep_dst;
++
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++#ifndef USE_NEON_INLINE_ASM
++ uint8x8_t alpha;
++ uint8x8x4_t dval, temp;
++
++ alpha = vld1_u8((void*)mask);
++ dval = vld4_u8((void*)dst);
++ keep_dst = dst;
++
++ temp = neon8mul(sval8,alpha);
++ dval = neon8mul(dval,vmvn_u8(temp.val[3]));
++ temp = neon8qadd(temp,dval);
++
++ mask += (w & 7);
++ dst += (w & 7);
++ w -= (w & 7);
++
++ while (w)
++ {
++ alpha = vld1_u8((void*)mask);
++ dval = vld4_u8((void*)dst);
++
++ vst4_u8((void*)keep_dst,temp);
++ keep_dst = dst;
++
++ temp = neon8mul(sval8,alpha);
++ dval = neon8mul(dval,vmvn_u8(temp.val[3]));
++ temp = neon8qadd(temp,dval);
++
++ mask+=8;
++ dst+=8;
++ w-=8;
++ }
++ vst4_u8((void*)keep_dst,temp);
++#else
++ asm volatile (
++ "vdup.32 d0, %[src]\n\t"
++ "vdup.8 d1, d0[1]\n\t"
++ "vdup.8 d2, d0[2]\n\t"
++ "vdup.8 d3, d0[3]\n\t"
++ "vdup.8 d0, d0[0]\n\t"
++
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "vld1.8 {d31}, [%[mask]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++
++ "and ip, %[w], #7\n\t"
++ "add %[mask], %[mask], ip\n\t"
++ "add %[dst], %[dst], ip, LSL#2\n\t"
++ "subs %[w], %[w], ip\n\t"
++ "b 9f\n\t"
++// LOOP
++ "2:\n\t"
++ "vld4.8 {d4-d7}, [%[dst]]\n\t"
++ "vld1.8 {d31}, [%[mask]]\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++ "mov %[keep_dst], %[dst]\n\t"
++ "add %[mask], %[mask], #8\n\t"
++ "add %[dst], %[dst], #8*4\n\t"
++ "subs %[w], %[w], #8\n\t"
++ "9:\n\t"
++
++ "vmull.u8 q10, d31, d0\n\t"
++ "vmull.u8 q11, d31, d1\n\t"
++ "vmull.u8 q12, d31, d2\n\t"
++ "vmull.u8 q13, d31, d3\n\t"
++ "vrshr.u16 q8, q10, #8\n\t"
++ "vrshr.u16 q9, q11, #8\n\t"
++ "vraddhn.u16 d20, q10, q8\n\t"
++ "vraddhn.u16 d21, q11, q9\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vraddhn.u16 d23, q13, q9\n\t"
++ "vraddhn.u16 d22, q12, q8\n\t"
++
++ "vmvn.8 d30, d23\n\t"
++ "vmull.u8 q12, d30, d4\n\t"
++ "vmull.u8 q13, d30, d5\n\t"
++ "vmull.u8 q14, d30, d6\n\t"
++ "vmull.u8 q15, d30, d7\n\t"
++
++ "vrshr.u16 q8, q12, #8\n\t"
++ "vrshr.u16 q9, q13, #8\n\t"
++ "vraddhn.u16 d4, q12, q8\n\t"
++ "vrshr.u16 q8, q14, #8\n\t"
++ "vraddhn.u16 d5, q13, q9\n\t"
++ "vrshr.u16 q9, q15, #8\n\t"
++ "vraddhn.u16 d6, q14, q8\n\t"
++ "vraddhn.u16 d7, q15, q9\n\t"
++// result in d4-d7
++
++ "vqadd.u8 d20, d4, d20\n\t"
++ "vqadd.u8 d21, d5, d21\n\t"
++ "vqadd.u8 d22, d6, d22\n\t"
++ "vqadd.u8 d23, d7, d23\n\t"
++
++ "bne 2b\n\t"
++
++ "1:\n\t"
++ "vst4.8 {d20-d23}, [%[keep_dst]]\n\t"
++
++ : [w] "+r" (w), [dst] "+r" (dst), [mask] "+r" (mask), [keep_dst] "+r" (keep_dst)
++ : [src] "r" (src)
++ : "ip", "cc", "memory", "d0","d1","d2","d3","d4","d5","d6","d7",
++ "d16","d17","d18","d19","d20","d21","d22","d23","d24","d25","d26","d27","d28","d29",
++ "d30","d31"
++ );
++#endif
++ }
++ }
++ else
++ {
++ while (height--)
++ {
++ uint8x8_t alpha;
++
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++ while (w>=2)
++ {
++ uint8x8_t dval, temp, res;
++
++ alpha = vtbl1_u8(vreinterpret_u8_u16(vld1_dup_u16((void*)mask)), mask_selector);
++ dval = vld1_u8((void*)dst);
++
++ temp = neon2mul(sval2,alpha);
++ res = vqadd_u8(temp,neon2mul(dval,vtbl1_u8(vmvn_u8(sval2), alpha_selector)));
++
++ vst1_u8((void*)dst,res);
++
++ mask+=2;
++ dst+=2;
++ w-=2;
++ }
++ if (w)
++ {
++ uint8x8_t dval, temp, res;
++
++ alpha = vtbl1_u8(vld1_dup_u8((void*)mask), mask_selector);
++ dval = vreinterpret_u8_u32(vld1_dup_u32((void*)dst));
++
++ temp = neon2mul(sval2,alpha);
++ res = vqadd_u8(temp,neon2mul(dval,vtbl1_u8(vmvn_u8(sval2), alpha_selector)));
++
++ vst1_lane_u32((void*)dst,vreinterpret_u32_u8(res),0);
++ }
++ }
++ }
++}
++
++
++void
++fbCompositeSrcAdd_8888x8x8neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height)
++{
++ uint8_t *dstLine, *dst;
++ uint8_t *maskLine, *mask;
++ int dstStride, maskStride;
++ uint32_t w;
++ uint32_t src;
++ uint8x8_t sa;
++
++ fbComposeGetStart (pDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
++ fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
++ fbComposeGetSolid (pSrc, src, pDst->bits.format);
++ sa = vdup_n_u8((src) >> 24);
++
++ if (width>=8)
++ {
++ // Use overlapping 8-pixel method, modified to avoid rewritten dest being reused
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++ uint8x8_t mval, dval, res;
++ uint8_t *keep_dst;
++
++ mval = vld1_u8((void *)mask);
++ dval = vld1_u8((void *)dst);
++ keep_dst = dst;
++
++ res = vqadd_u8(neon2mul(mval,sa),dval);
++
++ mask += (w & 7);
++ dst += (w & 7);
++ w -= w & 7;
++
++ while (w)
++ {
++ mval = vld1_u8((void *)mask);
++ dval = vld1_u8((void *)dst);
++ vst1_u8((void *)keep_dst, res);
++ keep_dst = dst;
++
++ res = vqadd_u8(neon2mul(mval,sa),dval);
++
++ mask += 8;
++ dst += 8;
++ w -= 8;
++ }
++ vst1_u8((void *)keep_dst, res);
++ }
++ }
++ else
++ {
++ // Use 4/2/1 load/store method to handle 1-7 pixels
++ while (height--)
++ {
++ dst = dstLine;
++ dstLine += dstStride;
++ mask = maskLine;
++ maskLine += maskStride;
++ w = width;
++
++ uint8x8_t mval, dval, res;
++ uint8_t *dst4, *dst2;
++
++ if (w&4)
++ {
++ mval = vreinterpret_u8_u32(vld1_lane_u32((void *)mask, vreinterpret_u32_u8(mval), 1));
++ dval = vreinterpret_u8_u32(vld1_lane_u32((void *)dst, vreinterpret_u32_u8(dval), 1));
++
++ dst4 = dst;
++ mask += 4;
++ dst += 4;
++ }
++ if (w&2)
++ {
++ mval = vreinterpret_u8_u16(vld1_lane_u16((void *)mask, vreinterpret_u16_u8(mval), 1));
++ dval = vreinterpret_u8_u16(vld1_lane_u16((void *)dst, vreinterpret_u16_u8(dval), 1));
++ dst2 = dst;
++ mask += 2;
++ dst += 2;
++ }
++ if (w&1)
++ {
++ mval = vld1_lane_u8((void *)mask, mval, 1);
++ dval = vld1_lane_u8((void *)dst, dval, 1);
++ }
++
++ res = vqadd_u8(neon2mul(mval,sa),dval);
++
++ if (w&1)
++ vst1_lane_u8((void *)dst, res, 1);
++ if (w&2)
++ vst1_lane_u16((void *)dst2, vreinterpret_u16_u8(res), 1);
++ if (w&4)
++ vst1_lane_u32((void *)dst4, vreinterpret_u32_u8(res), 1);
++ }
++ }
++}
++
+diff --git a/pixman/pixman-arm-neon.h b/pixman/pixman-arm-neon.h
+new file mode 100644
+index 0000000..a473841
+--- /dev/null
++++ b/pixman/pixman-arm-neon.h
+@@ -0,0 +1,137 @@
++/*
++ * Copyright © 2008 Mozilla Corporation
++ *
++ * Permission to use, copy, modify, distribute, and sell this software and its
++ * documentation for any purpose is hereby granted without fee, provided that
++ * the above copyright notice appear in all copies and that both that
++ * copyright notice and this permission notice appear in supporting
++ * documentation, and that the name of Mozilla Corporation not be used in
++ * advertising or publicity pertaining to distribution of the software without
++ * specific, written prior permission. Mozilla Corporation makes no
++ * representations about the suitability of this software for any purpose. It
++ * is provided "as is" without express or implied warranty.
++ *
++ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
++ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
++ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
++ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
++ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
++ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
++ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
++ * SOFTWARE.
++ *
++ * Author: Jeff Muizelaar (jeff@infidigm.net)
++ *
++ */
++
++#include "pixman-private.h"
++
++#ifdef USE_ARM_NEON
++
++static inline pixman_bool_t pixman_have_arm_neon(void) { return TRUE; }
++
++#else
++#define pixman_have_arm_neon() FALSE
++#endif
++
++#ifdef USE_ARM_NEON
++
++void
++fbCompositeSrcAdd_8000x8000neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSrc_8888x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSrc_8888x8x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSolidMask_nx8x0565neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSolidMask_nx8x8888neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSrc_x888x0565neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++void
++fbCompositeSrcAdd_8888x8x8neon (pixman_op_t op,
++ pixman_image_t * pSrc,
++ pixman_image_t * pMask,
++ pixman_image_t * pDst,
++ int16_t xSrc,
++ int16_t ySrc,
++ int16_t xMask,
++ int16_t yMask,
++ int16_t xDst,
++ int16_t yDst,
++ uint16_t width,
++ uint16_t height);
++
++#endif /* USE_ARM_NEON */
+diff --git a/pixman/pixman-pict.c b/pixman/pixman-pict.c
+index 1388517..b13947a 100644
+--- a/pixman/pixman-pict.c
++++ b/pixman/pixman-pict.c
+@@ -34,6 +34,7 @@
+ #include "pixman-mmx.h"
+ #include "pixman-vmx.h"
+ #include "pixman-sse2.h"
++#include "pixman-arm-neon.h"
+ #include "pixman-arm-simd.h"
+ #include "pixman-combine32.h"
+
+@@ -1518,6 +1519,31 @@ static const FastPathInfo vmx_fast_paths[] =
+ };
+ #endif
+
++#ifdef USE_ARM_NEON
++static const FastPathInfo arm_neon_fast_paths[] =
++{
++ { PIXMAN_OP_ADD, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8, fbCompositeSrcAdd_8888x8x8neon, 0 },
++ { PIXMAN_OP_ADD, PIXMAN_a8, PIXMAN_null, PIXMAN_a8, fbCompositeSrcAdd_8000x8000neon, 0 },
++ { PIXMAN_OP_SRC, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fbCompositeSrc_x888x0565neon, 0 },
++ { PIXMAN_OP_SRC, PIXMAN_x8r8g8b8, PIXMAN_null, PIXMAN_r5g6b5, fbCompositeSrc_x888x0565neon, 0 },
++ { PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fbCompositeSrc_x888x0565neon, 0 },
++ { PIXMAN_OP_SRC, PIXMAN_x8b8g8r8, PIXMAN_null, PIXMAN_b5g6r5, fbCompositeSrc_x888x0565neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_a8r8g8b8, fbCompositeSrc_8888x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_null, PIXMAN_x8r8g8b8, fbCompositeSrc_8888x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_a8b8g8r8, fbCompositeSrc_8888x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_a8b8g8r8, PIXMAN_null, PIXMAN_x8b8g8r8, fbCompositeSrc_8888x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_a8r8g8b8, fbCompositeSrc_8888x8x8888neon, NEED_SOLID_MASK },
++ { PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_x8r8g8b8, fbCompositeSrc_8888x8x8888neon, NEED_SOLID_MASK },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_r5g6b5, fbCompositeSolidMask_nx8x0565neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_b5g6r5, fbCompositeSolidMask_nx8x0565neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8r8g8b8, fbCompositeSolidMask_nx8x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8r8g8b8, fbCompositeSolidMask_nx8x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_a8b8g8r8, fbCompositeSolidMask_nx8x8888neon, 0 },
++ { PIXMAN_OP_OVER, PIXMAN_solid, PIXMAN_a8, PIXMAN_x8b8g8r8, fbCompositeSolidMask_nx8x8888neon, 0 },
++ { PIXMAN_OP_NONE },
++};
++#endif
++
+ #ifdef USE_ARM_SIMD
+ static const FastPathInfo arm_simd_fast_paths[] =
+ {
+@@ -1893,6 +1919,11 @@ pixman_image_composite (pixman_op_t op,
+ info = get_fast_path (vmx_fast_paths, op, pSrc, pMask, pDst, pixbuf);
+ #endif
+
++#ifdef USE_ARM_NEON
++ if (!info && pixman_have_arm_neon())
++ info = get_fast_path (arm_neon_fast_paths, op, pSrc, pMask, pDst, pixbuf);
++#endif
++
+ #ifdef USE_ARM_SIMD
+ if (!info && pixman_have_arm_simd())
+ info = get_fast_path (arm_simd_fast_paths, op, pSrc, pMask, pDst, pixbuf);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 14:28:38 +0000