From: notaz Date: Sun, 16 Sep 2012 18:50:17 +0000 (+0300) Subject: add M-HT's neon scalers X-Git-Tag: r1~2 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7127faf31b5f71f70480a2f4555f2134375b7744;p=fceu.git add M-HT's neon scalers --- diff --git a/drivers/arm/neon_eagle2x.S b/drivers/arm/neon_eagle2x.S new file mode 100644 index 0000000..c4e96c2 --- /dev/null +++ b/drivers/arm/neon_eagle2x.S @@ -0,0 +1,337 @@ +@@ +@@ Copyright (C) 2012 Roman Pauer +@@ +@@ Permission is hereby granted, free of charge, to any person obtaining a copy of +@@ this software and associated documentation files (the "Software"), to deal in +@@ the Software without restriction, including without limitation the rights to +@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +@@ of the Software, and to permit persons to whom the Software is furnished to do +@@ so, subject to the following conditions: +@@ +@@ The above copyright notice and this permission notice shall be included in all +@@ copies or substantial portions of the Software. +@@ +@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +@@ SOFTWARE. +@@ + +.arm + +.include "neon_eagle2x.Sinc" +.include "neon_normalxx.Sinc" + +.global neon_eagle2x_8_8 +.global neon_eagle2x_16_16 +.global neon_eagle2x_8_16 + +.align 4 +neon_eagle2x_8_8: + +@ r0 = const uint8_t *src +@ r1 = uint8_t *dst +@ r2 = unsigned int width (pixels) +@ r3 = unsigned int srcstride (bytes) +@ [sp] = unsigned int dststride (bytes) +@ [sp+4] = unsigned int height +@ lr = return address + + ldr ip, [sp] @ ip = dststride + push {r4-r10} + ldr r9, [sp, #(8*4)] @ r9 = height + sub r4, r0, r3 @ r4 = src - srcstride + mov r10, sp @ oldsp = sp + add r5, r0, r3 @ r5 = src + srcstride + bic sp, sp, #31 @ align sp to 32 bytes + add r6, r1, ip @ r6 = dst + dststride + sub sp, sp, #64 @ sp -= 64 + sub r3, r3, r2 @ r3 = srcstride - width + vst1.64 {d8-d11}, [sp:256] @ save q4,q5 + add r7, sp, #32 @ r7 = sp + 32 + sub ip, ip, r2 @ ip = dststride - width + vst1.64 {d12-d15}, [r7:256] @ save q6,q7 + lsl ip, #1 @ ip = 2 * dststride - 2 * width + mov r7, r2 @ r7 = width + sub r9, r9, #2 @ r9 = height - 2 + + +@ r0 = src +@ r1 = dst +@ r2 = width +@ r3 = srcdiff (srcstride - width) +@ r4 = src - srcstride +@ r5 = src + srcstride +@ r6 = dst + dststride +@ r7 = counter +@ r8 = tmpreg +@ r9 = height +@ r10 = oldsp +@ ip = dstdiff (2 * dststride - 2 * width) + + @ first line + neon_eagle2x_8_8_line first, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + + @ middle lines + 101: + mov r7, r2 + + neon_eagle2x_8_8_line middle, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + subS r9, r9, #1 + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + bne 101b + + @ last line + mov r7, r2 + + neon_eagle2x_8_8_line last, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add ip, sp, #32 @ ip = sp + 32 + vld1.64 {d8-d11}, [sp:256] @ restore q4,q5 + mov sp, r10 @ sp = oldsp + vld1.64 {d12-d15}, [ip:256] @ restore q6,q7 + pop {r4-r10} + bx lr + +@ end procedure neon_eagle2x_8_8 + + +neon_eagle2x_16_16: + +@ r0 = const uint16_t *src +@ r1 = uint16_t *dst +@ r2 = unsigned int width (pixels) +@ r3 = unsigned int srcstride (bytes) +@ [sp] = unsigned int dststride (bytes) +@ [sp+4] = unsigned int height +@ lr = return address + + ldr ip, [sp] @ ip = dststride + push {r4-r10} + ldr r9, [sp, #(8*4)] @ r9 = height + sub r4, r0, r3 @ r4 = src - srcstride + mov r10, sp @ oldsp = sp + add r5, r0, r3 @ r5 = src + srcstride + bic sp, sp, #31 @ align sp to 32 bytes + add r6, r1, ip @ r6 = dst + dststride + sub sp, sp, #64 @ sp -= 64 + sub r3, r3, r2, lsl #1 @ r3 = srcstride - 2 * width + vst1.64 {d8-d11}, [sp:256] @ save q4,q5 + add r7, sp, #32 @ r7 = sp + 32 + sub ip, ip, r2, lsl #1 @ ip = dststride - 2 * width + vst1.64 {d12-d15}, [r7:256] @ save q6,q7 + lsl ip, #1 @ ip = 2 * dststride - 4 * width + mov r7, r2 @ r7 = width + sub r9, r9, #2 @ r9 = height - 2 + +@ r0 = src +@ r1 = dst +@ r2 = width +@ r3 = srcdiff (srcstride - 2 * width) +@ r4 = src - srcstride +@ r5 = src + srcstride +@ r6 = dst + dststride +@ r7 = counter +@ r8 = tmpreg +@ r9 = height +@ r10 = oldsp +@ ip = dstdiff (2 * dststride - 4 * width) + + @ first line + neon_eagle2x_16_16_line first, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + + @ middle lines + 101: + mov r7, r2 + + neon_eagle2x_16_16_line middle, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + subS r9, r9, #1 + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + bne 101b + + @ last line + mov r7, r2 + + neon_eagle2x_16_16_line last, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add ip, sp, #32 @ ip = sp + 32 + vld1.64 {d8-d11}, [sp:256] @ restore q4,q5 + mov sp, r10 @ sp = oldsp + vld1.64 {d12-d15}, [ip:256] @ restore q6,q7 + pop {r4-r10} + bx lr + +@ end procedure neon_eagle2x_16_16 + + +neon_eagle2x_8_16: + +@ r0 = const uint8_t *src +@ r1 = uint8_t *dst +@ r2 = const uint32_t *palette +@ r3 = unsigned int width (pixels) +@ [sp] = unsigned int srcstride (bytes) +@ [sp+4] = unsigned int dststride (bytes) +@ [sp+8] = unsigned int height +@ lr = return address + +@ three temporary lines + + ldr ip, [sp] @ ip = srcstride + push {r4-r11,lr} + ldr r4, [sp, #(4*10)] @ r4 = dststride + ldr r5, [sp, #(4*11)] @ r5 = height + mov r6, sp @ r6 = sp + sub ip, ip, r3 @ ip = srcstride - width + bic sp, sp, #31 @ align sp to 32 bytes + sub r7, r4, r3, lsl #1 @ r7 = dststride - 2 * width + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + sub r5, r5, #2 @ height -= 2 + mov r10, sp @ tmpline3 = sp + lsl r7, #1 @ r7 = 2 * dststride - 4 * width + bic sp, sp, #31 @ align sp to 32 bytes + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + mov r11, sp @ tmpline2 = sp + bic sp, sp, #31 @ align sp to 32 bytes + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + mov lr, sp @ tmpline1 = sp + bic sp, sp, #31 @ align sp to 32 bytes + sub r8, sp, #64 @ r8 = sp - 64 + vst1.64 {d8-d11}, [r8:256] @ save q4,q5 + sub r9, sp, #32 @ r9 = sp - 32 + vst1.64 {d12-d15}, [r9:256] @ save q6,q7 + sub sp, sp, #(36 + 64) @ sp -= (36 + 64) + str r6, [sp] @ oldsp = r6 + str r5, [sp, #4] @ height = r5 + str ip, [sp, #8] @ srcdiff = ip + str r7, [sp, #12] @ dstdiff = r7 + str r4, [sp, #16] @ dststride = r4 + str lr, [sp, #20] @ tmpline1 = lr + str r11, [sp, #24] @ tmpline2 = r11 + str r10, [sp, #28] @ tmpline3 = r10 + str r3, [sp, #32] @ width = r3 + +@ r0 = src +@ r1 = dst +@ r2 = palette +@ r3 = counter +@ r4 = dst2 + +@ r11 = bufptr1 +@ ip = bufptr2 +@ lr = bufptr3 + +@ [sp] = oldsp +@ [sp, #4] = height +@ [sp, #8] = srcdiff (srcstride - width) +@ [sp, #12] = dstdiff (2 * dststride - 4 * width) +@ [sp, #16] = dststride +@ [sp, #20] = tmpline1 +@ [sp, #24] = tmpline2 +@ [sp, #28] = tmpline3 +@ [sp, #32] = width + + @ lr = tmpline1 + @ r3 = counter + + @ first line + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r3, [sp, #32] @ counter = width + ldr lr, [sp, #24] @ bufptr3 = tmpline2 + add r0, r0, r7 @ src += srcdiff + + @ second line + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r9, [sp, #16] @ r9 = dststride + ldr r3, [sp, #32] @ counter = width + ldr ip, [sp, #20] @ bufptr2 = tmpline1 + ldr lr, [sp, #24] @ bufptr3 = tmpline2 + add r4, r1, r9 @ dst2 = dst + dststride + + @ first temporary line + neon_eagle2x_16_16_line first, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r8, [sp, #12] @ r8 = dstdiff + ldr r3, [sp, #32] @ counter = width + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r0, r0, r7 @ src += srcdiff + add r1, r1, r8 @ dst += dstdiff + + 100: + + @ line n+1 + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r9, [sp, #16] @ r9 = dststride + ldr r11, [sp, #20] @ bufptr1 = tmpline1 + ldr ip, [sp, #24] @ bufptr2 = tmpline2 + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r4, r1, r9 @ dst2 = dst + dststride + ldr r3, [sp, #32] @ counter = width + str r11, [sp, #28] @ tmpline3 = bufptr1 + str ip, [sp, #20] @ tmpline1 = bufptr2 + str lr, [sp, #24] @ tmpline2 = bufptr3 + + @ temporary line n + neon_eagle2x_16_16_line middle, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + ldr r6, [sp, #4] @ r6 = height + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r8, [sp, #12] @ r8 = dstdiff + ldr r3, [sp, #32] @ counter = width + subS r6, r6, #1 @ height-- + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r0, r0, r7 @ src += srcdiff + add r1, r1, r8 @ dst += dstdiff + str r6, [sp, #4] @ height = r6 + bne 100b + + + ldr r9, [sp, #16] @ r9 = dststride + ldr r11, [sp, #20] @ bufptr1 = tmpline1 + ldr ip, [sp, #24] @ bufptr2 = tmpline2 + add r4, r1, r9 @ dst2 = dst + dststride + + @ last temporary line + neon_eagle2x_16_16_line last, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + + add r6, sp, #36 @ r6 = sp + 36 + ldr sp, [sp] @ sp = oldsp + vld1.64 {d8-d11}, [r6:256] @ restore q4,q5 + add ip, r6, #32 @ ip = r6 + 32 + vld1.64 {d12-d15}, [ip:256] @ restore q6,q7 + pop {r4-r11,lr} + bx lr + +@ end procedure neon_eagle2x_8_16 + diff --git a/drivers/arm/neon_eagle2x.Sinc b/drivers/arm/neon_eagle2x.Sinc new file mode 100644 index 0000000..7413312 --- /dev/null +++ b/drivers/arm/neon_eagle2x.Sinc @@ -0,0 +1,761 @@ +@@ +@@ Copyright (C) 2012 Roman Pauer +@@ +@@ Permission is hereby granted, free of charge, to any person obtaining a copy of +@@ this software and associated documentation files (the "Software"), to deal in +@@ the Software without restriction, including without limitation the rights to +@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +@@ of the Software, and to permit persons to whom the Software is furnished to do +@@ so, subject to the following conditions: +@@ +@@ The above copyright notice and this permission notice shall be included in all +@@ copies or substantial portions of the Software. +@@ +@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +@@ SOFTWARE. +@@ + + +@ S T U --\ E1 E2 +@ V C W --/ E3 E4 +@ X Y Z + +@ q0 = S1sl < S > +@ q1 = S2sl < V > +@ q2 = S3sl < X > +@ q3 = S1sr < U > +@ q4 = S2sr < W > +@ q5 = S3sr < Z > +@ q6 = E3 +@ q7 = E4 +@ q8 = S1 +@ q9 = S2 +@ q10 = S3 +@ q11 = S1prev < T > +@ q12 = S2prev < C > +@ q13 = S3prev < Y > +@ q14 = E1 +@ q15 = E2 + + +.macro __neon_eagle2x_8_8_line src1, src2, src3, counter, dst1, dst2, reg1, qT, qY, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + + .ifeqs "\qT", "q11" + vld1.8 {d23[7]}, [\src1] @ S1prev[15] = src[-srcstride] + .endif + vld1.8 {d25[7]}, [\src2] @ S2prev[15] = src[0] + .ifeqs "\qY", "q13" + vld1.8 {d27[7]}, [\src3] @ S3prev[15] = src[srcstride] + .endif + andS \reg1, \counter, #15 @ reg1 = counter & 15 + + .ifnes "\qT", "q11" + add \src1, \src1, \counter @ src1 += counter + .endif + .ifnes "\qY", "q13" + add \src3, \src3, \counter @ src3 += counter + .endif + beq 1f + + @ first 1-15 pixels - align counter to 16 bytes + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vld1.8 {q8}, [\src1], \reg1 @ S1 = [src - srcstride]; src1 += counter & 15 + .endif + + vld1.8 {q9}, [\src2], \reg1 @ S2 = [src ]; src2 += counter & 15 + + .ifeqs "\qY", "q13" + vld1.8 {q10}, [\src3], \reg1 @ S3 = [src + srcstride]; src3 += counter & 15 + .endif + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #15 @ S1sl = S1prev[15] | (S1 << 8) < S > + + vmov \qT, q8 @ S1prev = S1 < T > + .endif + vext.8 q1, q12, q9, #15 @ S2sl = S2prev[15] | (S2 << 8) < V > + + vmov q12, q9 @ S2prev = S2 < C > + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #15 @ S3sl = S3prev[15] | (S3 << 8) < X > + + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + .ifeqs "\qT", "q11" + vext.8 q3, \qT, q8, #1 @ S1sr = (S1prev >> 8) | ... < U > + .endif + + vext.8 q4, q12, q9, #1 @ S2sr = (S2prev >> 8) | ... < W > + + .ifeqs "\qY", "q13" + vext.8 q5, \qY, q10, #1 @ S3sr = (S3prev >> 8) | ... < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + vceq.i8 q14, q0, \qT @ E1 = < S == T > + + vceq.i8 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i8 q6, q2, \qY @ E3 = < X == Y > + + vceq.i8 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i8 q15, q3, \qT @ E2 = < U == T > + + vceq.i8 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i8 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i8 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + .ifeqs "\qT", "q11" + sub \reg1, \src1, #1 + .else + sub \reg1, \src2, #1 + .endif + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + .ifeqs "\qT", "q11" + vld1.8 {d23[7]}, [\reg1] @ S1prev[15] = src[counter & 15 - 1 - srcstride] + + sub \reg1, \src2, #1 + .endif + + vld1.8 {d25[7]}, [\reg1] @ S2prev[15] = src[counter & 15 - 1] + + .ifeqs "\qY", "q13" + sub \reg1, \src3, #1 + + vld1.8 {d27[7]}, [\reg1] @ S3prev[15] = src[counter & 15 - 1 + srcstride] + .endif + + ubfx \reg1, \counter, #0, #4 @ reg1 = counter & 15 + + lsl \reg1, #1 + + vst2.8 {q14-q15}, [\dst1],\reg1 @ [dst] = E1,E2; dst1 += reg1 + + bic \counter, \counter, #15 + + vst2.8 {q6-q7}, [\dst2], \reg1 @ [dst + dststride] = E3,E4; dst2 += reg1 + + @ counter is aligned to 16 bytes + + 1: + .ifeqs "\qT", "q11" + vld1.8 {q8}, [\alsrc1]! @ S1 = [src - srcstride]; src1 += 16 + .endif + vld1.8 {q9}, [\alsrc2]! @ S2 = [src ]; src2 += 16 + .ifeqs "\qY", "q13" + vld1.8 {q10}, [\alsrc3]! @ S3 = [src + srcstride]; src3 += 16 + .endif + + @ inner loop (16 pixels per iteration) + 2: + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #15 @ S1sl = S1prev[15] | (S1 << 8) < S > + vmov \qT, q8 @ S1prev = S1 < T > + .endif + + vext.8 q1, q12, q9, #15 @ S2sl = S2prev[15] | (S2 << 8) < V > + vmov q12, q9 @ S2prev = S2 < C > + + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #15 @ S3sl = S3prev[15] | (S3 << 8) < X > + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + + .ifeqs "\qT", "q11" + vld1.8 {q8}, [\alsrc1]! @ S1 = [src - srcstride]; src1 += 16 + vext.8 q3, \qT, q8, #1 @ S1sr = (S1prev >> 8) | S1[0] < U > + .endif + + vld1.8 {q9}, [\alsrc2]! @ S2 = [src ]; src2 += 16 + vext.8 q4, q12, q9, #1 @ S2sr = (S2prev >> 8) | S2[0] < W > + + .ifeqs "\qY", "q13" + vld1.8 {q10}, [\alsrc3]! @ S3 = [src + srcstride]; src3 += 16 + vext.8 q5, \qY, q10, #1 @ S3sr = (S3prev >> 8) | S3[0] < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + sub \counter, \counter, #16 @ counter -= 16 + vceq.i8 q14, q0, \qT @ E1 = < S == T > + + vceq.i8 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i8 q6, q2, \qY @ E3 = < X == Y > + + vceq.i8 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i8 q15, q3, \qT @ E2 = < U == T > + + vceq.i8 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i8 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i8 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + vst2.8 {q14-q15}, [\aldst1]! @ [dst] = E1,E2; dst1 += 2*16 + + cmp \counter, #16 + + vst2.8 {q6-q7}, [\aldst2]! @ [dst + dststride] = E3,E4; dst2 += 2*16 + bhi 2b + + @ last 16 pixels + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #15 @ S1sl = S1prev[15] | (S1 << 8) < S > + vmov \qT, q8 @ S1prev = S1 < T > + .endif + + vext.8 q1, q12, q9, #15 @ S2sl = S2prev[15] | (S2 << 8) < V > + vmov q12, q9 @ S2prev = S2 < C > + + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #15 @ S3sl = S3prev[15] | (S3 << 8) < X > + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + + .ifeqs "\qT", "q11" + vshr.u64 d16, d17, #(64-8) @ S1[0] = S1[15] | ... + .endif + + vshr.u64 d18, d19, #(64-8) @ S2[0] = S2[15] | ... + + .ifeqs "\qY", "q13" + vshr.u64 d20, d21, #(64-8) @ S3[0] = S3[15] | ... + .endif + .ifeqs "\qT", "q11" + vext.8 q3, \qT, q8, #1 @ S1sr = (S1prev >> 8) | S1[0] < U > + .endif + + vext.8 q4, q12, q9, #1 @ S2sr = (S2prev >> 8) | S2[0] < W > + + .ifeqs "\qY", "q13" + vext.8 q5, \qY, q10, #1 @ S3sr = (S3prev >> 8) | S3[0] < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + vceq.i8 q14, q0, \qT @ E1 = < S == T > + + vceq.i8 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i8 q6, q2, \qY @ E3 = < X == Y > + + vceq.i8 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i8 q15, q3, \qT @ E2 = < U == T > + + vceq.i8 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i8 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i8 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + vst2.8 {q14-q15}, [\aldst1]! @ [dst] = E1,E2; dst1 += 2*16 + + vst2.8 {q6-q7}, [\aldst2]! @ [dst + dststride] = E3,E4; dst2 += 2*16 + +.endm + +.macro _neon_eagle2x_8_8_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_eagle2x_8_8_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_eagle2x_8_8_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro neon_eagle2x_8_8_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32 + .ifeq \srcalign16 + + .ifeq \dstalign32 + _neon_eagle2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2 + .else + _neon_eagle2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256 + .endif + + .else + + .ifeq \dstalign32 + _neon_eagle2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2 + .else + _neon_eagle2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256 + .endif + + .endif +.endm + + +.macro __neon_eagle2x_16_16_line src1, src2, src3, counter, dst1, dst2, reg1, qT, qY, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + + .ifeqs "\qT", "q11" + vld1.16 {d23[3]}, [\src1] @ S1prev[7] = src[-srcstride] + .endif + vld1.16 {d25[3]}, [\src2] @ S2prev[7] = src[0] + .ifeqs "\qY", "q13" + vld1.16 {d27[3]}, [\src3] @ S3prev[7] = src[srcstride] + .endif + andS \reg1, \counter, #7 @ reg1 = counter & 7 + + .ifnes "\qT", "q11" + add \src1, \src1, \counter, lsl #1 @ src1 += 2 * counter + .endif + .ifnes "\qY", "q13" + add \src3, \src3, \counter, lsl #1 @ src3 += 2 * counter + .endif + beq 1f + + @ first 1-7 pixels - align counter to 16 bytes + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vld1.16 {q8}, [\src1] @ S1 = [src - srcstride] + add \src1, \src1, \reg1, lsl #1 @ src1 += 2 * (counter & 7) + .endif + + vld1.16 {q9}, [\src2] @ S2 = [src ] + add \src2, \src2, \reg1, lsl #1 @ src2 += 2 * (counter & 7) + + .ifeqs "\qY", "q13" + vld1.16 {q10}, [\src3] @ S3 = [src + srcstride] + add \src3, \src3, \reg1, lsl #1 @ src3 += 2 * (counter & 7) + .endif + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #14 @ S1sl = S1prev[7] | (S1 << 16) < S > + + vmov \qT, q8 @ S1prev = S1 < T > + .endif + vext.8 q1, q12, q9, #14 @ S2sl = S2prev[7] | (S2 << 16) < V > + + vmov q12, q9 @ S2prev = S2 < C > + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #14 @ S3sl = S3prev[7] | (S3 << 16) < X > + + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + .ifeqs "\qT", "q11" + vext.8 q3, \qT, q8, #2 @ S1sr = (S1prev >> 16) | ... < U > + .endif + + vext.8 q4, q12, q9, #2 @ S2sr = (S2prev >> 16) | ... < W > + + .ifeqs "\qY", "q13" + vext.8 q5, \qY, q10, #2 @ S3sr = (S3prev >> 16) | ... < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + vceq.i16 q14, q0, \qT @ E1 = < S == T > + + vceq.i16 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i16 q6, q2, \qY @ E3 = < X == Y > + + vceq.i16 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i16 q15, q3, \qT @ E2 = < U == T > + + vceq.i16 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i16 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i16 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + .ifeqs "\qT", "q11" + sub \reg1, \src1, #2 + .else + sub \reg1, \src2, #2 + .endif + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + .ifeqs "\qT", "q11" + vld1.16 {d23[3]}, [\reg1] @ S1prev[7] = src[2 * (counter & 7) - 2 - srcstride] + + sub \reg1, \src2, #2 + .endif + + vld1.16 {d25[3]}, [\reg1] @ S2prev[7] = src[2 * (counter & 7) - 2] + + .ifeqs "\qY", "q13" + sub \reg1, \src3, #2 + + vld1.16 {d27[3]}, [\reg1] @ S3prev[7] = src[2 * (counter & 7) - 2 + srcstride] + .endif + + ubfx \reg1, \counter, #0, #3 @ reg1 = counter & 7 + + lsl \reg1, #2 + + vst2.16 {q14-q15}, [\dst1], \reg1 @ [dst] = E1,E2; dst1 += reg1 + + bic \counter, \counter, #7 + + vst2.16 {q6-q7}, [\dst2], \reg1 @ [dst + dststride] = E3,E4; dst2 += reg1 + + @ counter is aligned to 16 bytes + + 1: + .ifeqs "\qT", "q11" + vld1.16 {q8}, [\alsrc1]! @ S1 = [src - srcstride]; src1 += 2*8 + .endif + vld1.16 {q9}, [\alsrc2]! @ S2 = [src ]; src2 += 2*8 + .ifeqs "\qY", "q13" + vld1.16 {q10}, [\alsrc3]! @ S3 = [src + srcstride]; src3 += 2*8 + .endif + + @ inner loop (8 pixels per iteration) + 2: + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #14 @ S1sl = S1prev[7] | (S1 << 16) < S > + vmov \qT, q8 @ S1prev = S1 < T > + .endif + + vext.8 q1, q12, q9, #14 @ S2sl = S2prev[7] | (S2 << 16) < V > + vmov q12, q9 @ S2prev = S2 < C > + + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #14 @ S3sl = S3prev[7] | (S3 << 16) < X > + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + + .ifeqs "\qT", "q11" + vld1.16 {q8}, [\alsrc1]! @ S1 = [src - srcstride]; src1 += 2*8 + vext.8 q3, \qT, q8, #2 @ S1sr = (S1prev >> 16) | S1[0] < U > + .endif + + vld1.16 {q9}, [\alsrc2]! @ S2 = [src ]; src2 += 2*8 + vext.8 q4, q12, q9, #2 @ S2sr = (S2prev >> 16) | S2[0] < W > + + .ifeqs "\qY", "q13" + vld1.16 {q10}, [\alsrc3]! @ S3 = [src + srcstride]; src3 += 2*8 + vext.8 q5, \qY, q10, #2 @ S3sr = (S3prev >> 16) | S3[0] < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + sub \counter, \counter, #8 @ counter -= 8 + vceq.i16 q14, q0, \qT @ E1 = < S == T > + + vceq.i16 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i16 q6, q2, \qY @ E3 = < X == Y > + + vceq.i16 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i16 q15, q3, \qT @ E2 = < U == T > + + vceq.i16 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i16 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i16 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + vst2.16 {q14-q15}, [\aldst1]! @ [dst] = E1,E2; dst1 += 2*2*8 + + cmp \counter, #8 + + vst2.16 {q6-q7}, [\aldst2]! @ [dst + dststride] = E3,E4; dst2 += 2*2*8 + bhi 2b + + @ last 8 pixels + +@ q0 = S1sl < S > +@ q2 = S3sl < X > +@ q7 = tmp2 +@ q15 = tmp1 + + .ifeqs "\qT", "q11" + vext.8 q0, \qT, q8, #14 @ S1sl = S1prev[7] | (S1 << 16) < S > + vmov \qT, q8 @ S1prev = S1 < T > + .endif + + vext.8 q1, q12, q9, #14 @ S2sl = S2prev[7] | (S2 << 16) < V > + vmov q12, q9 @ S2prev = S2 < C > + + .ifeqs "\qY", "q13" + vext.8 q2, \qY, q10, #14 @ S3sl = S3prev[7] | (S3 << 16) < X > + vmov \qY, q10 @ S3prev = S3 < Y > + .endif + + .ifeqs "\qT", "q11" + vshr.u64 d16, d17, #(64-16) @ S1[0] = S1[7] | ... + .endif + + vshr.u64 d18, d19, #(64-16) @ S2[0] = S2[7] | ... + + .ifeqs "\qY", "q13" + vshr.u64 d20, d21, #(64-16) @ S3[0] = S3[7] | ... + .endif + .ifeqs "\qT", "q11" + vext.8 q3, \qT, q8, #2 @ S1sr = (S1prev >> 16) | S1[0] < U > + .endif + + vext.8 q4, q12, q9, #2 @ S2sr = (S2prev >> 16) | S2[0] < W > + + .ifeqs "\qY", "q13" + vext.8 q5, \qY, q10, #2 @ S3sr = (S3prev >> 16) | S3[0] < Z > + .else + vmov q2, q1 @ S3sl = S2sl < X > + + vmov q5, q4 @ S3sr = S2sr < Z > + .endif + + .ifnes "\qT", "q11" + vmov q0, q1 @ S1sl = S2sl < S > + + vmov q3, q4 @ S1sr = S2sr < U > + .endif + + vceq.i16 q14, q0, \qT @ E1 = < S == T > + + vceq.i16 q15, q0, q1 @ tmp1 = < S == V > + + vceq.i16 q6, q2, \qY @ E3 = < X == Y > + + vceq.i16 q7, q2, q1 @ tmp2 = < X == V > + + vand q14, q14, q15 @ E1 = < S == T && S == V > + +@ q0 = tmp3 +@ q15 = E2 + + vceq.i16 q15, q3, \qT @ E2 = < U == T > + + vceq.i16 q0, q3, q4 @ tmp3 = < U == W > + + vand q6, q6, q7 @ E3 = < X == Y && X == V > + +@ q2 = tmp4 +@ q7 = E4 + vceq.i16 q7, q5, \qY @ E4 = < Z == Y > + + vceq.i16 q2, q5, q4 @ tmp4 = < Z == W > + + vand q15, q15, q0 @ E2 = < U == T && U == W > + + vbsl q14, \qT, q12 @ E1 = < (S == T && S == V) ? T : C > + + vbsl q15, \qT, q12 @ E2 = < (U == T && U == W) ? T : C > + + vand q7, q7, q2 @ E4 = < Z == Y && Z == W > + + vbsl q6, \qY, q12 @ E3 = < (X == Y && X == V) ? Y : C > + + vbsl q7, \qY, q12 @ E4 = < (Z == Y && Z == W) ? Y : C > + vst2.16 {q14-q15}, [\aldst1]! @ [dst] = E1,E2; dst1 += 2*2*8 + + vst2.16 {q6-q7}, [\aldst2]! @ [dst + dststride] = E3,E4; dst2 += 2*2*8 + +.endm + +.macro _neon_eagle2x_16_16_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_eagle2x_16_16_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_eagle2x_16_16_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_eagle2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro neon_eagle2x_16_16_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32 + .ifeq \srcalign16 + + .ifeq \dstalign32 + _neon_eagle2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2 + .else + _neon_eagle2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256 + .endif + + .else + + .ifeq \dstalign32 + _neon_eagle2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2 + .else + _neon_eagle2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256 + .endif + + .endif +.endm + diff --git a/drivers/arm/neon_eagle2x.h b/drivers/arm/neon_eagle2x.h new file mode 100644 index 0000000..485a0d1 --- /dev/null +++ b/drivers/arm/neon_eagle2x.h @@ -0,0 +1,44 @@ +/** + * + * Copyright (C) 2012 Roman Pauer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#if !defined(_NEON_EAGLE2X_H_INCLUDED_) +#define _NEON_EAGLE2X_H_INCLUDED_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern void neon_eagle2x_8_8(const uint8_t *src, uint8_t *dst, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); +extern void neon_eagle2x_16_16(const uint16_t *src, uint16_t *dst, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); + +extern void neon_eagle2x_8_16(const uint8_t *src, uint16_t *dst, const uint32_t *palette, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); + +#ifdef __cplusplus +} +#endif + + +#endif /* _NEON_EAGLE2X_H_INCLUDED_ */ diff --git a/drivers/arm/neon_normalxx.Sinc b/drivers/arm/neon_normalxx.Sinc new file mode 100644 index 0000000..fcbcfd4 --- /dev/null +++ b/drivers/arm/neon_normalxx.Sinc @@ -0,0 +1,665 @@ +@@ +@@ Copyright (C) 2012 Roman Pauer +@@ +@@ Permission is hereby granted, free of charge, to any person obtaining a copy of +@@ this software and associated documentation files (the "Software"), to deal in +@@ the Software without restriction, including without limitation the rights to +@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +@@ of the Software, and to permit persons to whom the Software is furnished to do +@@ so, subject to the following conditions: +@@ +@@ The above copyright notice and this permission notice shall be included in all +@@ copies or substantial portions of the Software. +@@ +@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +@@ SOFTWARE. +@@ + + + +.macro _neon_normalxx_8_16_line_middle src, dst, pal, counter, reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, reg9, dststride, dA, dB + ldr \reg1, [\src] @ reg1 = src[0-3] + + ldr \reg2, [\src, #4] @ reg2 = src[4-7] + + ldr \reg3, [\src, #8] @ reg3 = src[8-11] + + ldr \reg4, [\src, #12] @ reg4 = src[12-15] + ubfx \reg5, \reg1, #0, #8 @ reg5 = src[0] + + ldr \reg5, [\pal, \reg5, lsl #2] @ reg5 = pal[src[0]] + ubfx \reg6, \reg1, #8, #8 @ reg6 = src[1] + + ldr \reg6, [\pal, \reg6, lsl #2] @ reg6 = pal[src[1]] + ubfx \reg7, \reg1, #16, #8 @ reg7 = src[2] + + ldr \reg7, [\pal, \reg7, lsl #2] @ reg7 = pal[src[2]] + lsr \reg1, \reg1, #24 @ reg1 = src[3] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[3]] + ubfx \reg8, \reg2, #0, #8 @ reg8 = src[4] + + ldr \reg8, [\pal, \reg8, lsl #2] @ reg8 = pal[src[4]] + ubfx \reg9, \reg2, #8, #8 @ reg9 = src[5] + + ldr \reg9, [\pal, \reg9, lsl #2] @ reg9 = pal[src[5]] + bfi \reg5, \reg6, #16, #16 @ reg5 = pal[src[0]] | pal[src[1]] << 16 + + bfi \reg7, \reg1, #16, #16 @ reg7 = pal[src[2]] | pal[src[3]] << 16 + ubfx \reg6, \reg2, #16, #8 @ reg6 = src[6] + + vmov d16, \reg5, \reg7 @ d16 = pal[src[0-3]] + lsr \reg2, \reg2, #24 @ reg2 = src[7] + + ldr \reg6, [\pal, \reg6, lsl #2] @ reg6 = pal[src[6]] + bfi \reg8, \reg9, #16, #16 @ reg8 = pal[src[4]] | pal[src[5]] << 16 + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[7]] + ubfx \reg1, \reg3, #0, #8 @ reg1 = src[8] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[8]] + ubfx \reg5, \reg3, #8, #8 @ reg5 = src[9] + + ldr \reg5, [\pal, \reg5, lsl #2] @ reg5 = pal[src[9]] + ubfx \reg7, \reg3, #16, #8 @ reg7 = src[10] + + ldr \reg7, [\pal, \reg7, lsl #2] @ reg7 = pal[src[10]] + bfi \reg6, \reg2, #16, #16 @ reg6 = pal[src[6]] | pal[src[7]] << 16 + + vmov d17, \reg8, \reg6 @ d17 = pal[src[4-7]] + lsr \reg3, \reg3, #24 @ reg3 = src[11] + + ldr \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[11]] + ubfx \reg2, \reg4, #0, #8 @ reg2 = src[12] + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[12]] + ubfx \reg6, \reg4, #8, #8 @ reg6 = src[13] + + ldr \reg6, [\pal, \reg6, lsl #2] @ reg6 = pal[src[13]] + ubfx \reg8, \reg4, #16, #8 @ reg8 = src[14] + + ldr \reg8, [\pal, \reg8, lsl #2] @ reg8 = pal[src[14]] + lsr \reg4, \reg4, #24 @ reg4 = src[15] + + ldr \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[src[15]] + bfi \reg1, \reg5, #16, #16 @ reg1 = pal[src[8]] | pal[src[9]] << 16 + + bfi \reg7, \reg3, #16, #16 @ reg7 = pal[src[10]] | pal[src[11]] << 16 + bfi \reg2, \reg6, #16, #16 @ reg2 = pal[src[12]] | pal[src[13]] << 16 + + vmov \dA, \reg1, \reg7 @ dA = pal[src[8-11]] + sub \counter, \counter, #16 @ counter -= 16 + + bfi \reg8, \reg4, #16, #16 @ reg8 = pal[src[14]] | pal[src[15]] << 16 + add \src, \src, #16 @ src += 16 + + vmov \dB, \reg2, \reg8 @ dB = pal[src[12-15]] + cmp \counter, #16 +.endm + +.macro neon_normal1x_8_16_line src, dst, pal, counter, reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, reg9 + @ align src to 4 bytes + andS \reg5, \src, #3 @ reg5 = src & 3 + beq 10f + + @ first 1-3 pixels + ldr \reg1, [\src] @ reg1 = src[0-3] + rsb \reg5, \reg5, #4 @ reg5 = 4 - (src & 3) + + add \src, \src, \reg5 @ src += reg5 + sub \counter, \counter, \reg5 @ counter -= reg5 + + subS \reg5, \reg5, #1 @ reg5-- + + ubfx \reg2, \reg1, #0, #8 @ reg2 = src[0] + ubfxne \reg3, \reg1, #8, #8 @ reg3 = src[1] + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[reg2] + + ldrne \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[reg3] + + strh \reg2, [\dst] @ dst[0] = reg2 + + strneh \reg3, [\dst, #2]! @ dst[1] = reg3; dst++ + subneS \reg5, \reg5, #1 @ reg5-- + + ubfxne \reg4, \reg1, #16, #8 @ reg4 = src[2] + add \dst, \dst, #2 @ dst++ + + ldrne \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[reg4] + + strneh \reg4, [\dst], #2 @ dst[2] = reg4; dst++ + + @ middle pixels (16 per iteration) + 10: + _neon_normalxx_8_16_line_middle \src, \dst, \pal, \counter, \reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8, \reg9, , d18, d19 + + vst1.16 {d16-d19}, [\dst]! @ dst[0-15] = d16-d19; dst += 2*16 + bhs 10b + + @ last 0-15 bytes + + cmp \counter, #0 + beq 40f + + cmp \counter, #4 + blo 30f + + @ 4-12 pixels (4 pre iteration) + 20: + ldr \reg1, [\src] @ reg1 = src[0-3] + sub \counter, \counter, #4 @ counter -= 4 + + add \src, \src, #4 @ src += 4 + add \dst, \dst, #(2*4) @ dst += 4 + + ubfx \reg2, \reg1, #0, #8 @ reg2 = src[0] + cmp \counter, #4 + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[0]] + ubfx \reg3, \reg1, #8, #8 @ reg3 = src[1] + + ldr \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[1]] + ubfx \reg4, \reg1, #16, #8 @ reg4 = src[2] + + ldr \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[src[2]] + lsr \reg1, \reg1, #24 @ reg1 = src[3] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[3]] + + strh \reg2, [\dst, #-8] @ dst[0] = reg2 + + strh \reg3, [\dst, #-6] @ dst[1] = reg3 + + strh \reg4, [\dst, #-4] @ dst[2] = reg4 + + strh \reg1, [\dst, #-2] @ dst[3] = reg1 + bhs 20b + + cmp \counter, #0 + beq 40f + + @ last 1-3 pixels + 30: + ldrb \reg1, [\src] @ reg1 = src[0] + subS \counter, \counter, #1 @ counter-- + + ldrneb \reg2, [\src, #1]! @ reg2 = src[1]; src++ + + add \src, \src, #1 @ src++ + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + + ldrne \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[1]] + + strh \reg1, [\dst] @ dst[0] = reg1 + + strneh \reg2, [\dst, #2]! @ dst[1] = reg2; dst++ + subneS \counter, \counter, #1 @ counter-- + + ldrneb \reg3, [\src], #1 @ reg3 = src[2]; src++ + add \dst, \dst, #2 @ dst++ + + ldrne \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[2]] + + strneh \reg3, [\dst], #2 @ dst[2] = reg3; dst++ + + 40: +.endm + +.macro neon_normal2x_8_16_line src, dst, pal, counter, reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, reg9, dststride + @ align src to 4 bytes + andS \reg5, \src, #3 @ reg5 = src & 3 + beq 10f + + @ first 1-3 pixels + rsb \reg5, \reg5, #4 @ reg5 = 4 - (src & 3) + 1: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \dst, \dst, #4 @ dst += 2*2 + sub \counter, \counter, #1 @ counter-- + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + subS \reg5, \reg5, #1 @ reg5-- + + strh \reg1, [\dst, #-4] @ dst[0] = reg1 + + strh \reg1, [\dst, #-2] @ dst[1] = reg1 + + strh \reg1, [\reg2] @ dst1[0] = reg1 + + strh \reg1, [\reg2, #2] @ dst1[1] = reg1 + bne 1b + + @ middle pixels (16 per iteration) + 10: + _neon_normalxx_8_16_line_middle \src, \dst, \pal, \counter, \reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8, \reg9, \dststride, d20, d21 + + vmov q9, q8 + add \reg1, \dst, \dststride @ reg1 = dst + dststride + + vmov q11, q10 + vst2.16 {q8,q9}, [\dst]! @ dst[0-7] = q8-q9; dst += 2*2*8 + + vst2.16 {q10,q11}, [\dst]! @ dst[8-15] = q10-q11; dst += 2*2*8 + + vst2.16 {q8,q9}, [\reg1]! @ dst1[0-7] = q8-q9; dst1 += 2*2*8 + + vst2.16 {q10,q11}, [\reg1]! @ dst1[8-15] = q10-q11; dst1 += 2*2*8 + bhs 10b + + @ last 0-15 bytes + + cmp \counter, #0 + beq 40f + + cmp \counter, #4 + blo 30f + + @ 4-12 pixels (4 pre iteration) + 20: + ldr \reg1, [\src] @ reg1 = src[0-3] + sub \counter, \counter, #4 @ counter -= 4 + + add \src, \src, #4 @ src += 4 + + ubfx \reg2, \reg1, #0, #8 @ reg2 = src[0] + cmp \counter, #4 + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[0]] + ubfx \reg3, \reg1, #8, #8 @ reg3 = src[1] + + ldr \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[1]] + ubfx \reg4, \reg1, #16, #8 @ reg4 = src[2] + + ldr \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[src[2]] + lsr \reg1, \reg1, #24 @ reg1 = src[3] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[3]] + + add \reg5, \dst, \dststride + bfi \reg2, \reg3, #16, #16 @ reg2 = reg2 | reg3 << 16 + + vmov.32 d16[0], \reg2 + + bfi \reg4, \reg1, #16, #16 @ reg4 = reg4 | reg1 << 16 + + vmov.32 d16[1], \reg4 + + vmov d17, d16 + + vst2.16 {d16,d17}, [\dst]! @ dst[0-7] = d16-d17; dst += 2*2*4 + + vst2.16 {d16,d17}, [\reg5] @ dst1[0-7] = d16-d17 + bhs 20b + + cmp \counter, #0 + beq 40f + + @ last 1-3 pixels + 30: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \dst, \dst, #4 @ dst += 2*2 + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + subS \counter, \counter, #1 @ counter-- + + strh \reg1, [\dst, #-4] @ dst[0] = reg1 + + strh \reg1, [\dst, #-2] @ dst[1] = reg1 + + strh \reg1, [\reg2] @ dst1[0] = reg1 + + strh \reg1, [\reg2, #2] @ dst1[1] = reg1 + bne 30b + + 40: +.endm + +.macro neon_normal3x_8_16_line src, dst, pal, counter, reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, reg9, dststride + @ align src to 4 bytes + andS \reg5, \src, #3 @ reg5 = src & 3 + beq 10f + + @ first 1-3 pixels + rsb \reg5, \reg5, #4 @ reg5 = 4 - (src & 3) + 1: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \reg3, \reg2, \dststride + add \dst, \dst, #6 @ dst += 3*2 + + sub \counter, \counter, #1 @ counter-- + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + subS \reg5, \reg5, #1 @ reg5-- + + strh \reg1, [\dst, #-6] @ dst[0] = reg1 + + strh \reg1, [\dst, #-4] @ dst[1] = reg1 + + strh \reg1, [\dst, #-2] @ dst[2] = reg1 + bfi \reg1, \reg1, #16, #16 @ reg1 = reg1 | reg1 << 16 + + strh \reg1, [\reg2] @ dst1[0] = reg1 + + str \reg1, [\reg2, #2] @ dst1[1-2] = reg1 + + strh \reg1, [\reg3] @ dst2[0] = reg1 + + str \reg1, [\reg3, #2] @ dst2[1-2] = reg1 + bne 1b + + @ middle pixels (16 per iteration) + 10: + _neon_normalxx_8_16_line_middle \src, \dst, \pal, \counter, \reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8, \reg9, \dststride, d22, d23 + + vmov q9, q8 + add \reg1, \dst, \dststride @ reg1 = dst + dststride + + vmov q10, q8 + add \reg2, \dst, \dststride, lsl #1 @ reg1 = dst + 2 * dststride + + vmov q12, q11 + vst3.16 {d16,d18,d20}, [\dst]! @ dst[0-3] = q8-q10[0]; dst += 3*2*4 + + vmov q13, q11 + vst3.16 {d17,d19,d21}, [\dst]! @ dst[4-7] = q8-q10[1]; dst += 3*2*4 + + vst3.16 {d22,d24,d26}, [\dst]! @ dst[8-11] = q11-q13[0]; dst += 3*2*4 + + vst3.16 {d23,d25,d27}, [\dst]! @ dst[12-15] = q11-q13[1]; dst += 3*2*4 + + vst3.16 {d16,d18,d20}, [\reg1]! @ dst1[0-3] = q8-q10[0]; dst1 += 3*2*4 + + vst3.16 {d17,d19,d21}, [\reg1]! @ dst1[4-7] = q8-q10[1]; dst1 += 3*2*4 + + vst3.16 {d22,d24,d26}, [\reg1]! @ dst1[8-11] = q11-q13[0]; dst1 += 3*2*4 + + vst3.16 {d23,d25,d27}, [\reg1]! @ dst1[12-15] = q11-q13[1]; dst1 += 3*2*4 + + vst3.16 {d16,d18,d20}, [\reg2]! @ dst2[0-3] = q8-q10[0]; dst2 += 3*2*4 + + vst3.16 {d17,d19,d21}, [\reg2]! @ dst2[4-7] = q8-q10[1]; dst2 += 3*2*4 + + vst3.16 {d22,d24,d26}, [\reg2]! @ dst2[8-11] = q11-q13[0]; dst2 += 3*2*4 + + vst3.16 {d23,d25,d27}, [\reg2]! @ dst2[12-15] = q11-q13[1]; dst2 += 3*2*4 + bhs 10b + + @ last 0-15 bytes + + cmp \counter, #0 + beq 40f + + cmp \counter, #4 + blo 30f + + @ 4-12 pixels (4 pre iteration) + 20: + ldr \reg1, [\src] @ reg1 = src[0-3] + sub \counter, \counter, #4 @ counter -= 4 + + add \src, \src, #4 @ src += 4 + + ubfx \reg2, \reg1, #0, #8 @ reg2 = src[0] + cmp \counter, #4 + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[0]] + ubfx \reg3, \reg1, #8, #8 @ reg3 = src[1] + + ldr \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[1]] + ubfx \reg4, \reg1, #16, #8 @ reg4 = src[2] + + ldr \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[src[2]] + lsr \reg1, \reg1, #24 @ reg1 = src[3] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[3]] + + add \reg5, \dst, \dststride + bfi \reg2, \reg3, #16, #16 @ reg2 = reg2 | reg3 << 16 + + vmov.32 d16[0], \reg2 + add \reg6, \reg5, \dststride + + bfi \reg4, \reg1, #16, #16 @ reg4 = reg4 | reg1 << 16 + + vmov.32 d16[1], \reg4 + + vmov d17, d16 + + vmov d18, d16 + + vst3.16 {d16,d17,d18}, [\dst]! @ dst[0-11] = d16-d18; dst += 3*2*4 + + vst3.16 {d16,d17,d18}, [\reg5] @ dst1[0-11] = d16-d18 + + vst3.16 {d16,d17,d18}, [\reg6] @ dst2[0-11] = d16-d18 + bhs 20b + + cmp \counter, #0 + beq 40f + + @ last 1-3 pixels + 30: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \reg3, \reg2, \dststride + add \dst, \dst, #6 @ dst += 3*2 + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + subS \counter, \counter, #1 @ counter-- + + strh \reg1, [\dst, #-6] @ dst[0] = reg1 + + strh \reg1, [\dst, #-4] @ dst[1] = reg1 + + strh \reg1, [\dst, #-2] @ dst[2] = reg1 + bfi \reg1, \reg1, #16, #16 @ reg1 = reg1 | reg1 << 16 + + strh \reg1, [\reg2] @ dst1[0] = reg1 + + str \reg1, [\reg2, #2] @ dst1[1-2] = reg1 + + strh \reg1, [\reg3] @ dst2[0] = reg1 + + str \reg1, [\reg3, #2] @ dst2[1-2] = reg1 + bne 30b + + 40: +.endm + +.macro neon_normal4x_8_16_line src, dst, pal, counter, reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, reg9, dststride + @ align src to 4 bytes + andS \reg5, \src, #3 @ reg5 = src & 3 + beq 10f + + @ first 1-3 pixels + rsb \reg5, \reg5, #4 @ reg5 = 4 - (src & 3) + 1: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \reg3, \reg2, \dststride + add \dst, \dst, #8 @ dst += 4*2 + + sub \counter, \counter, #1 @ counter-- + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + add \reg4, \reg3, \dststride + + strh \reg1, [\dst, #-8] @ dst[0] = reg1 + subS \reg5, \reg5, #1 @ reg5-- + + strh \reg1, [\dst, #-6] @ dst[1] = reg1 + + bfi \reg1, \reg1, #16, #16 @ reg1 = reg1 | reg1 << 16 + str \reg1, [\dst, #-4] @ dst[2-3] = reg1 + + str \reg1, [\reg2] @ dst1[0-1] = reg1 + + str \reg1, [\reg2, #4] @ dst1[2-3] = reg1 + + str \reg1, [\reg3] @ dst2[0-1] = reg1 + + str \reg1, [\reg3, #4] @ dst2[2-3] = reg1 + + str \reg1, [\reg4] @ dst3[0-1] = reg1 + + str \reg1, [\reg4, #4] @ dst3[2-3] = reg1 + bne 1b + + @ middle pixels (16 per iteration) + 10: + _neon_normalxx_8_16_line_middle \src, \dst, \pal, \counter, \reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8, \reg9, \dststride, d24, d25 + + vmov q9, q8 + add \reg1, \dst, \dststride @ reg1 = dst + dststride + + vmov q10, q8 + add \reg2, \dst, \dststride, lsl #1 @ reg2 = dst + 2 * dststride + + vmov q11, q8 + add \reg3, \reg1, \dststride,lsl #1 @ reg3 = dst + 3 * dststride + + vmov q13, q12 + vst4.16 {d16,d18,d20,d22}, [\dst]! @ dst[0-3] = q8-q11[0]; dst += 4*2*4 + + vmov q14, q12 + + vmov q15, q12 + vst4.16 {d17,d19,d21,d23}, [\dst]! @ dst[4-7] = q8-q11[1]; dst += 4*2*4 + + vst4.16 {d24,d26,d28,d30}, [\dst]! @ dst[8-11] = q12-q15[0]; dst += 4*2*4 + + vst4.16 {d25,d27,d29,d31}, [\dst]! @ dst[12-15] = q12-q15[1]; dst += 4*2*4 + + vst4.16 {d16,d18,d20,d22}, [\reg1]! @ dst1[0-3] = q8-q11[0]; dst1 += 4*2*4 + + vst4.16 {d17,d19,d21,d23}, [\reg1]! @ dst1[4-7] = q8-q11[1]; dst1 += 4*2*4 + + vst4.16 {d24,d26,d28,d30}, [\reg1]! @ dst1[8-11] = q12-q15[0]; dst1 += 4*2*4 + + vst4.16 {d25,d27,d29,d31}, [\reg1]! @ dst1[12-15] = q12-q15[1]; dst1 += 4*2*4 + + vst4.16 {d16,d18,d20,d22}, [\reg2]! @ dst2[0-3] = q8-q11[0]; dst2 += 4*2*4 + + vst4.16 {d17,d19,d21,d23}, [\reg2]! @ dst2[4-7] = q8-q11[1]; dst2 += 4*2*4 + + vst4.16 {d24,d26,d28,d30}, [\reg2]! @ dst2[8-11] = q12-q15[0]; dst2 += 4*2*4 + + vst4.16 {d25,d27,d29,d31}, [\reg2]! @ dst2[12-15] = q12-q15[1]; dst2 += 4*2*4 + + vst4.16 {d16,d18,d20,d22}, [\reg3]! @ dst3[0-3] = q8-q11[0]; dst3 += 4*2*4 + + vst4.16 {d17,d19,d21,d23}, [\reg3]! @ dst3[4-7] = q8-q11[1]; dst3 += 4*2*4 + + vst4.16 {d24,d26,d28,d30}, [\reg3]! @ dst3[8-11] = q12-q15[0]; dst3 += 4*2*4 + + vst4.16 {d25,d27,d29,d31}, [\reg3]! @ dst3[12-15] = q12-q15[1]; dst3 += 4*2*4 + bhs 10b + + @ last 0-15 bytes + + cmp \counter, #0 + beq 40f + + cmp \counter, #4 + blo 30f + + @ 4-12 pixels (4 pre iteration) + 20: + ldr \reg1, [\src] @ reg1 = src[0-3] + sub \counter, \counter, #4 @ counter -= 4 + + add \src, \src, #4 @ src += 4 + + ubfx \reg2, \reg1, #0, #8 @ reg2 = src[0] + cmp \counter, #4 + + ldr \reg2, [\pal, \reg2, lsl #2] @ reg2 = pal[src[0]] + ubfx \reg3, \reg1, #8, #8 @ reg3 = src[1] + + ldr \reg3, [\pal, \reg3, lsl #2] @ reg3 = pal[src[1]] + ubfx \reg4, \reg1, #16, #8 @ reg4 = src[2] + + ldr \reg4, [\pal, \reg4, lsl #2] @ reg4 = pal[src[2]] + lsr \reg1, \reg1, #24 @ reg1 = src[3] + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[3]] + + add \reg5, \dst, \dststride + bfi \reg2, \reg3, #16, #16 @ reg2 = reg2 | reg3 << 16 + + vmov.32 d16[0], \reg2 + add \reg6, \reg5, \dststride + + bfi \reg4, \reg1, #16, #16 @ reg4 = reg4 | reg1 << 16 + add \reg7, \reg6, \dststride + + vmov.32 d16[1], \reg4 + + vmov d17, d16 + + vmov d18, d16 + + vmov d19, d16 + + vst4.16 {d16,d17,d18,d19}, [\dst]! @ dst[0-15] = d16-d19; dst += 4*2*4 + + vst4.16 {d16,d17,d18,d19}, [\reg5] @ dst1[0-15] = d16-d19 + + vst4.16 {d16,d17,d18,d19}, [\reg6] @ dst2[0-15] = d16-d19 + + vst4.16 {d16,d17,d18,d19}, [\reg7] @ dst3[0-15] = d16-d19 + bhs 20b + + cmp \counter, #0 + beq 40f + + @ last 1-3 pixels + 30: + ldrb \reg1, [\src], #1 @ reg1 = src[0]; src++ + add \reg2, \dst, \dststride + + add \reg3, \reg2, \dststride + add \dst, \dst, #8 @ dst += 4*2 + + ldr \reg1, [\pal, \reg1, lsl #2] @ reg1 = pal[src[0]] + add \reg4, \reg3, \dststride + + strh \reg1, [\dst, #-8] @ dst[0] = reg1 + subS \counter, \counter, #1 @ counter-- + + strh \reg1, [\dst, #-6] @ dst[1] = reg1 + + bfi \reg1, \reg1, #16, #16 @ reg1 = reg1 | reg1 << 16 + str \reg1, [\dst, #-4] @ dst[2-3] = reg1 + + str \reg1, [\reg2] @ dst1[0-1] = reg1 + + str \reg1, [\reg2, #4] @ dst1[2-3] = reg1 + + str \reg1, [\reg3] @ dst2[0-1] = reg1 + + str \reg1, [\reg3, #4] @ dst2[2-3] = reg1 + + str \reg1, [\reg4] @ dst3[0-1] = reg1 + + str \reg1, [\reg4, #4] @ dst3[2-3] = reg1 + bne 30b + + 40: +.endm + diff --git a/drivers/arm/neon_scale2x.S b/drivers/arm/neon_scale2x.S new file mode 100644 index 0000000..5df6ee5 --- /dev/null +++ b/drivers/arm/neon_scale2x.S @@ -0,0 +1,306 @@ +@@ +@@ Copyright (C) 2012 Roman Pauer +@@ +@@ Permission is hereby granted, free of charge, to any person obtaining a copy of +@@ this software and associated documentation files (the "Software"), to deal in +@@ the Software without restriction, including without limitation the rights to +@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +@@ of the Software, and to permit persons to whom the Software is furnished to do +@@ so, subject to the following conditions: +@@ +@@ The above copyright notice and this permission notice shall be included in all +@@ copies or substantial portions of the Software. +@@ +@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +@@ SOFTWARE. +@@ + +.arm + +.include "neon_scale2x.Sinc" +.include "neon_normalxx.Sinc" + +.global neon_scale2x_8_8 +.global neon_scale2x_16_16 +.global neon_scale2x_8_16 + +.align 4 +neon_scale2x_8_8: + +@ r0 = const uint8_t *src +@ r1 = uint8_t *dst +@ r2 = unsigned int width (pixels) +@ r3 = unsigned int srcstride (bytes) +@ [sp] = unsigned int dststride (bytes) +@ [sp+4] = unsigned int height +@ lr = return address + + ldr ip, [sp] @ ip = dststride + push {r4-r9} + ldr r9, [sp, #(7*4)] @ r9 = height + sub r4, r0, r3 @ r4 = src - srcstride + add r5, r0, r3 @ r5 = src + srcstride + add r6, r1, ip @ r6 = dst + dststride + sub r3, r3, r2 @ r3 = srcstride - width + sub ip, ip, r2 @ ip = dststride - width + lsl ip, #1 @ ip = 2 * dststride - 2 * width + mov r7, r2 @ r7 = width + sub r9, r9, #2 @ r9 = height - 2 + +@ r0 = src +@ r1 = dst +@ r2 = width +@ r3 = srcdiff (srcstride - width) +@ r4 = src - srcstride +@ r5 = src + srcstride +@ r6 = dst + dststride +@ r7 = counter +@ r8 = tmpreg +@ r9 = height +@ ip = dstdiff (2 * dststride - 2 * width) + + @ first line + neon_scale2x_8_8_line first, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + + @ middle lines + 101: + mov r7, r2 + + neon_scale2x_8_8_line middle, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + subS r9, r9, #1 + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + bne 101b + + @ last line + mov r7, r2 + + neon_scale2x_8_8_line last, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + pop {r4-r9} + bx lr + +@ end procedure neon_scale2x_8_8 + + +neon_scale2x_16_16: + +@ r0 = const uint16_t *src +@ r1 = uint16_t *dst +@ r2 = unsigned int width (pixels) +@ r3 = unsigned int srcstride (bytes) +@ [sp] = unsigned int dststride (bytes) +@ [sp+4] = unsigned int height +@ lr = return address + + ldr ip, [sp] @ ip = dststride + push {r4-r9} + ldr r9, [sp, #(7*4)] @ r9 = height + sub r4, r0, r3 @ r4 = src - srcstride + add r5, r0, r3 @ r5 = src + srcstride + add r6, r1, ip @ r6 = dst + dststride + sub r3, r3, r2, lsl #1 @ r3 = srcstride - 2 * width + sub ip, ip, r2, lsl #1 @ ip = dststride - 2 * width + lsl ip, #1 @ ip = 2 * dststride - 4 * width + mov r7, r2 @ r7 = width + sub r9, r9, #2 @ r9 = height - 2 + +@ r0 = src +@ r1 = dst +@ r2 = width +@ r3 = srcdiff (srcstride - 2 * width) +@ r4 = src - srcstride +@ r5 = src + srcstride +@ r6 = dst + dststride +@ r7 = counter +@ r8 = tmpreg +@ r9 = height +@ ip = dstdiff (2 * dststride - 4 * width) + + @ first line + neon_scale2x_16_16_line first, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + + @ middle lines + 101: + mov r7, r2 + + neon_scale2x_16_16_line middle, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + subS r9, r9, #1 + add r0, r0, r3 + add r4, r4, r3 + add r5, r5, r3 + add r1, r1, ip + add r6, r6, ip + bne 101b + + @ last line + mov r7, r2 + + neon_scale2x_16_16_line last, r4, r0, r5, r7, r1, r6, r8, 0, 0 + + pop {r4-r9} + bx lr + +@ end procedure neon_scale2x_16_16 + + +neon_scale2x_8_16: + +@ r0 = const uint8_t *src +@ r1 = uint8_t *dst +@ r2 = const uint32_t *palette +@ r3 = unsigned int width (pixels) +@ [sp] = unsigned int srcstride (bytes) +@ [sp+4] = unsigned int dststride (bytes) +@ [sp+8] = unsigned int height +@ lr = return address + +@ three temporary lines + + ldr ip, [sp] @ ip = srcstride + push {r4-r11,lr} + ldr r4, [sp, #(4*10)] @ r4 = dststride + ldr r5, [sp, #(4*11)] @ r5 = height + mov r6, sp @ r6 = sp + sub ip, ip, r3 @ ip = srcstride - width + bic sp, sp, #31 @ align sp to 32 bytes + sub r7, r4, r3, lsl #1 @ r7 = dststride - 2 * width + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + sub r5, r5, #2 @ height -= 2 + mov r10, sp @ tmpline3 = sp + lsl r7, #1 @ r7 = 2 * dststride - 4 * width + bic sp, sp, #31 @ align sp to 32 bytes + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + mov r11, sp @ tmpline2 = sp + bic sp, sp, #31 @ align sp to 32 bytes + sub sp, sp, r3, lsl #1 @ sp -= 2 * width + mov lr, sp @ tmpline1 = sp + bic sp, sp, #31 @ align sp to 32 bytes + sub sp, sp, #36 + str r6, [sp] @ oldsp = r6 + str r5, [sp, #4] @ height = r5 + str ip, [sp, #8] @ srcdiff = ip + str r7, [sp, #12] @ dstdiff = r7 + str r4, [sp, #16] @ dststride = r4 + str lr, [sp, #20] @ tmpline1 = lr + str r11, [sp, #24] @ tmpline2 = r11 + str r10, [sp, #28] @ tmpline3 = r10 + str r3, [sp, #32] @ width = r3 + +@ r0 = src +@ r1 = dst +@ r2 = palette +@ r3 = counter +@ r4 = dst2 + +@ r11 = bufptr1 +@ ip = bufptr2 +@ lr = bufptr3 + +@ [sp] = oldsp +@ [sp, #4] = height +@ [sp, #8] = srcdiff (srcstride - width) +@ [sp, #12] = dstdiff (2 * dststride - 4 * width) +@ [sp, #16] = dststride +@ [sp, #20] = tmpline1 +@ [sp, #24] = tmpline2 +@ [sp, #28] = tmpline3 +@ [sp, #32] = width + + @ lr = tmpline1 + @ r3 = counter + + @ first line + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r3, [sp, #32] @ counter = width + ldr lr, [sp, #24] @ bufptr3 = tmpline2 + add r0, r0, r7 @ src += srcdiff + + @ second line + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r9, [sp, #16] @ r9 = dststride + ldr r3, [sp, #32] @ counter = width + ldr ip, [sp, #20] @ bufptr2 = tmpline1 + ldr lr, [sp, #24] @ bufptr3 = tmpline2 + add r4, r1, r9 @ dst2 = dst + dststride + + @ first temporary line + neon_scale2x_16_16_line first, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r8, [sp, #12] @ r8 = dstdiff + ldr r3, [sp, #32] @ counter = width + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r0, r0, r7 @ src += srcdiff + add r1, r1, r8 @ dst += dstdiff + + 100: + + @ line n+1 + neon_normal1x_8_16_line r0, lr, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, ip + + ldr r9, [sp, #16] @ r9 = dststride + ldr r11, [sp, #20] @ bufptr1 = tmpline1 + ldr ip, [sp, #24] @ bufptr2 = tmpline2 + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r4, r1, r9 @ dst2 = dst + dststride + ldr r3, [sp, #32] @ counter = width + str r11, [sp, #28] @ tmpline3 = bufptr1 + str ip, [sp, #20] @ tmpline1 = bufptr2 + str lr, [sp, #24] @ tmpline2 = bufptr3 + + @ temporary line n + neon_scale2x_16_16_line middle, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + ldr r6, [sp, #4] @ r6 = height + ldr r7, [sp, #8] @ r7 = srcdiff + ldr r8, [sp, #12] @ r8 = dstdiff + ldr r3, [sp, #32] @ counter = width + subS r6, r6, #1 @ height-- + ldr lr, [sp, #28] @ bufptr3 = tmpline3 + add r0, r0, r7 @ src += srcdiff + add r1, r1, r8 @ dst += dstdiff + str r6, [sp, #4] @ height = r6 + bne 100b + + + ldr r9, [sp, #16] @ r9 = dststride + ldr r11, [sp, #20] @ bufptr1 = tmpline1 + ldr ip, [sp, #24] @ bufptr2 = tmpline2 + add r4, r1, r9 @ dst2 = dst + dststride + + @ last temporary line + neon_scale2x_16_16_line last, r11, ip, lr, r3, r1, r4, r5, 1, 0 + + + ldr sp, [sp] @ sp = oldsp + pop {r4-r11,lr} + bx lr + +@ end procedure neon_scale2x_8_16 + diff --git a/drivers/arm/neon_scale2x.Sinc b/drivers/arm/neon_scale2x.Sinc new file mode 100644 index 0000000..e9a80ff --- /dev/null +++ b/drivers/arm/neon_scale2x.Sinc @@ -0,0 +1,474 @@ +@@ +@@ Copyright (C) 2012 Roman Pauer +@@ +@@ Permission is hereby granted, free of charge, to any person obtaining a copy of +@@ this software and associated documentation files (the "Software"), to deal in +@@ the Software without restriction, including without limitation the rights to +@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +@@ of the Software, and to permit persons to whom the Software is furnished to do +@@ so, subject to the following conditions: +@@ +@@ The above copyright notice and this permission notice shall be included in all +@@ copies or substantial portions of the Software. +@@ +@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +@@ SOFTWARE. +@@ + + +@ A B C --\ E0 E1 +@ D E F --/ E2 E3 +@ G H I + +@ q0 = E0 (tmp0) +@ q1 = E1 (tmp1) +@ q2 = E2 (tmp2) +@ q3 = E3 (tmp3) +@ q8 = S2prev +@ q9 = S2next +@ q10 = C0 < B == H || D == F > +@ q11 = S1 < B > +@ q12 = S2 < E > +@ q13 = S3 < H > +@ q14 = S2sl < D > +@ q15 = S2sr < F > + + +.macro __neon_scale2x_8_8_line src1, src2, src3, counter, dst1, dst2, reg1, qB, qH, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + + vld1.8 {d17[7]}, [\src2] @ S2prev[15] = src[0] + andS \reg1, \counter, #15 @ reg1 = counter & 15 + + .ifnes "\qB", "q11" + add \src1, \src1, \counter @ src1 += counter + .endif + .ifnes "\qH", "q13" + add \src3, \src3, \counter @ src3 += counter + .endif + beq 1f + + @ first 1-15 pixels - align counter to 16 bytes + vld1.8 {q12}, [\src2], \reg1 @ S2 = [src] < E >; src2 += counter & 15 + + .ifeqs "\qB", "q11" + vld1.8 {\qB}, [\src1], \reg1 @ S1 = [src - srcstride] < B >; src1 += counter & 15 + .endif + + .ifeqs "\qH", "q13" + vld1.8 {\qH}, [\src3], \reg1 @ S3 = [src + srcstride] < H >; src3 += counter & 15 + .endif + vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D > + + vceq.i8 q2, \qB, \qH @ tmp2 = < B == H > + + vmov.8 d17[7], \reg1 @ S2prev[15] = reg1 + vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | ... < F > + + vceq.i8 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i8 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i8 q1, \qB, q15 @ tmp1 = < B == F > + vtbl.8 d17, {d28, d29}, d17 @ S2prev[15] = src[reg1 - 1] + + lsl \reg1, #1 + vorr q10, q2, q3 @ C0 = < B == H || D == F > + + vceq.i8 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i8 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.8 {q0-q1}, [\dst1], \reg1 @ [dst] = E0,E1; dst1 += reg1 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + bic \counter, \counter, #15 + + vst2.8 {q2-q3}, [\dst2], \reg1 @ [dst + dststride] = E2,E3; dst2 += reg1 + + @ counter is aligned to 16 bytes + + 1: + vld1.8 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 16 + + @ inner loop (16 pixels per iteration) + 2: + + vmov q12, q9 @ S2 = S2next < E > + .ifeqs "\qB", "q11" + vld1.8 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 16 + .endif + + .ifeqs "\qH", "q13" + vld1.8 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 16 + .endif + + vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D > + vld1.8 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 16 + + vceq.i8 q2, \qB, \qH @ tmp2 = < B == H > + + vmov q8, q12 @ S2prev = S2 + vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | S2next[0] < F > + + vceq.i8 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i8 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i8 q1, \qB, q15 @ tmp1 = < B == F > + + sub \counter, \counter, #16 @ counter -= 16 + + vorr q10, q2, q3 @ C0 = < B == H || D == F > + + vceq.i8 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i8 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.8 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*16 + + cmp \counter, #16 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + + vst2.8 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*16 + + bhi 2b + + @ last 16 pixels + + vmov q12, q9 @ S2 = S2next < E > + + vshr.u64 d18, d19, #(64-8) @ S2next[0] = S2[15] | ... + .ifeqs "\qB", "q11" + vld1.8 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 16 + .endif + + vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D > + + vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | S2next[0] < F > + .ifeqs "\qH", "q13" + vld1.8 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 16 + .endif + + vceq.i8 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i8 q2, \qB, \qH @ tmp2 = < B == H > + + vceq.i8 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i8 q1, \qB, q15 @ tmp1 = < B == F > + + vorr q10, q2, q3 @ C0 = < B == H || D == F > + + vceq.i8 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i8 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.8 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*16 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + + vst2.8 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*16 + +.endm + +.macro _neon_scale2x_8_8_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_scale2x_8_8_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_scale2x_8_8_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro neon_scale2x_8_8_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32 + .ifeq \srcalign16 + + .ifeq \dstalign32 + _neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2 + .else + _neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256 + .endif + + .else + + .ifeq \dstalign32 + _neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2 + .else + _neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256 + .endif + + .endif +.endm + + +.macro __neon_scale2x_16_16_line src1, src2, src3, counter, dst1, dst2, reg1, qB, qH, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + + vld1.16 {d17[3]}, [\src2] @ S2prev[7] = src[0] + andS \reg1, \counter, #7 @ reg1 = counter & 7 + + .ifnes "\qB", "q11" + add \src1, \src1, \counter, lsl #1 @ src1 += 2 * counter + .endif + .ifnes "\qH", "q13" + add \src3, \src3, \counter, lsl #1 @ src3 += 2 * counter + .endif + beq 1f + + @ first 1-7 pixels - align counter to 16 bytes + vld1.16 {q12}, [\src2] @ S2 = [src] < E > + lsl \reg1, #1 + + .ifeqs "\qB", "q11" + vld1.16 {\qB}, [\src1] @ S1 = [src - srcstride] < B > + .endif + bfi \reg1, \reg1, #8, #8 + + .ifeqs "\qH", "q13" + vld1.16 {\qH}, [\src3] @ S3 = [src + srcstride] < H > + .endif + vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D > + + add \reg1, \reg1, #256 + vceq.i16 q2, \qB, \qH @ tmp2 = < B == H > + + vmov.16 d17[3], \reg1 @ S2prev[7] = reg1 + vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | ... < F > + + vceq.i16 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i16 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i16 q1, \qB, q15 @ tmp1 = < B == F > + vtbl.8 d17, {d28, d29}, d17 @ S2prev[7] = src[reg1 - 1] + + vorr q10, q2, q3 @ C0 = < B == H || D == F > + and \reg1, \counter, #7 + + vceq.i16 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i16 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.16 {q0-q1}, [\dst1] @ [dst] = E0,E1 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + + bic \counter, \counter, #7 + .ifeqs "\qB", "q11" + add \src1, \src1, \reg1, lsl #1 + .endif + add \src2, \src2, \reg1, lsl #1 + .ifeqs "\qH", "q13" + add \src3, \src3, \reg1, lsl #1 + .endif + + vst2.16 {q2-q3}, [\dst2] @ [dst + dststride] = E2,E3 + + add \dst1, \dst1, \reg1, lsl #2 + add \dst2, \dst2, \reg1, lsl #2 + + @ counter is aligned to 16 bytes + + 1: + vld1.16 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 2*8 + + @ inner loop (8 pixels per iteration) + 2: + + vmov q12, q9 @ S2 = S2next < E > + .ifeqs "\qB", "q11" + vld1.16 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 2*8 + .endif + + .ifeqs "\qH", "q13" + vld1.16 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 2*8 + .endif + + vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D > + vld1.16 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 2*8 + + vceq.i16 q2, \qB, \qH @ tmp2 = < B == H > + + vmov q8, q12 @ S2prev = S2 + vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | S2next[0] < F > + + vceq.i16 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i16 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i16 q1, \qB, q15 @ tmp1 = < B == F > + + sub \counter, \counter, #8 @ counter -= 8 + + vorr q10, q2, q3 @ C0 = < B == H || D == F > + + vceq.i16 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i16 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.16 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*2*8 + + cmp \counter, #8 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + + vst2.16 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*2*8 + + bhi 2b + + @ last 8 pixels + + vmov q12, q9 @ S2 = S2next < E > + + vshr.u64 d18, d19, #(64-16) @ S2next[0] = S2[7] | ... + .ifeqs "\qB", "q11" + vld1.16 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 2*8 + .endif + + vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D > + + vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | S2next[0] < F > + .ifeqs "\qH", "q13" + vld1.16 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 2*8 + .endif + + vceq.i16 q0, q14, \qB @ tmp0 = < D == B > + + vceq.i16 q2, \qB, \qH @ tmp2 = < B == H > + + vceq.i16 q3, q14, q15 @ tmp3 = < D == F > + + vceq.i16 q1, \qB, q15 @ tmp1 = < B == F > + + vorr q10, q2, q3 @ C0 = < B == H || D == F > + + vceq.i16 q2, q14, \qH @ tmp2 = < D == H > + + vceq.i16 q3, \qH, q15 @ tmp3 = < H == F > + + vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) > + + vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) > + + vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D > + + vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F > + + vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) > + + vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) > + + vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D > + vst2.16 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*2*8 + + vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F > + + vst2.16 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*2*8 + +.endm + +.macro _neon_scale2x_16_16_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_scale2x_16_16_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro _neon_scale2x_16_16_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2 + __neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2 +.endm + +.macro neon_scale2x_16_16_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32 + .ifeq \srcalign16 + + .ifeq \dstalign32 + _neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2 + .else + _neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256 + .endif + + .else + + .ifeq \dstalign32 + _neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2 + .else + _neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256 + .endif + + .endif +.endm + diff --git a/drivers/arm/neon_scale2x.h b/drivers/arm/neon_scale2x.h new file mode 100644 index 0000000..4db07c5 --- /dev/null +++ b/drivers/arm/neon_scale2x.h @@ -0,0 +1,44 @@ +/** + * + * Copyright (C) 2012 Roman Pauer + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#if !defined(_NEON_SCALE2X_H_INCLUDED_) +#define _NEON_SCALE2X_H_INCLUDED_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern void neon_scale2x_8_8(const uint8_t *src, uint8_t *dst, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); +extern void neon_scale2x_16_16(const uint16_t *src, uint16_t *dst, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); + +extern void neon_scale2x_8_16(const uint8_t *src, uint16_t *dst, const uint32_t *palette, unsigned int width, unsigned int srcstride, unsigned int dststride, unsigned int height); + +#ifdef __cplusplus +} +#endif + + +#endif /* _NEON_SCALE2X_H_INCLUDED_ */ diff --git a/drivers/arm/neon_scale_license.txt b/drivers/arm/neon_scale_license.txt new file mode 100644 index 0000000..73e622b --- /dev/null +++ b/drivers/arm/neon_scale_license.txt @@ -0,0 +1,19 @@ +Copyright (C) 2012 Roman Pauer + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE.