diff options
Diffstat (limited to 'libs/pixman-0.40.0/pixman/pixman-ssse3.c')
| -rw-r--r-- | libs/pixman-0.40.0/pixman/pixman-ssse3.c | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/libs/pixman-0.40.0/pixman/pixman-ssse3.c b/libs/pixman-0.40.0/pixman/pixman-ssse3.c deleted file mode 100644 index 680d6b9..0000000 --- a/libs/pixman-0.40.0/pixman/pixman-ssse3.c +++ /dev/null @@ -1,351 +0,0 @@ -/* - * Copyright © 2013 Soren Sandmann Pedersen - * Copyright © 2013 Red Hat, Inc. - * - * 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 (including the next - * paragraph) 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. - * - * Author: Soren Sandmann (soren.sandmann@gmail.com) - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <mmintrin.h> -#include <xmmintrin.h> -#include <emmintrin.h> -#include <tmmintrin.h> -#include "pixman-private.h" -#include "pixman-inlines.h" - -typedef struct -{ - int y; - uint64_t * buffer; -} line_t; - -typedef struct -{ - line_t lines[2]; - pixman_fixed_t y; - pixman_fixed_t x; - uint64_t data[1]; -} bilinear_info_t; - -static void -ssse3_fetch_horizontal (bits_image_t *image, line_t *line, - int y, pixman_fixed_t x, pixman_fixed_t ux, int n) -{ - uint32_t *bits = image->bits + y * image->rowstride; - __m128i vx = _mm_set_epi16 ( - - (x + 1), x, - (x + 1), x, - - (x + ux + 1), x + ux, - (x + ux + 1), x + ux); - __m128i vux = _mm_set_epi16 ( - - 2 * ux, 2 * ux, - 2 * ux, 2 * ux, - - 2 * ux, 2 * ux, - 2 * ux, 2 * ux); - __m128i vaddc = _mm_set_epi16 (1, 0, 1, 0, 1, 0, 1, 0); - __m128i *b = (__m128i *)line->buffer; - __m128i vrl0, vrl1; - - while ((n -= 2) >= 0) - { - __m128i vw, vr, s; - - vrl1 = _mm_loadl_epi64 ( - (__m128i *)(bits + pixman_fixed_to_int (x + ux))); - /* vrl1: R1, L1 */ - - final_pixel: - vrl0 = _mm_loadl_epi64 ( - (__m128i *)(bits + pixman_fixed_to_int (x))); - /* vrl0: R0, L0 */ - - /* The weights are based on vx which is a vector of - * - * - (x + 1), x, - (x + 1), x, - * - (x + ux + 1), x + ux, - (x + ux + 1), x + ux - * - * so the 16 bit weights end up like this: - * - * iw0, w0, iw0, w0, iw1, w1, iw1, w1 - * - * and after shifting and packing, we get these bytes: - * - * iw0, w0, iw0, w0, iw1, w1, iw1, w1, - * iw0, w0, iw0, w0, iw1, w1, iw1, w1, - * - * which means the first and the second input pixel - * have to be interleaved like this: - * - * la0, ra0, lr0, rr0, la1, ra1, lr1, rr1, - * lg0, rg0, lb0, rb0, lg1, rg1, lb1, rb1 - * - * before maddubsw can be used. - */ - - vw = _mm_add_epi16 ( - vaddc, _mm_srli_epi16 (vx, 16 - BILINEAR_INTERPOLATION_BITS)); - /* vw: iw0, w0, iw0, w0, iw1, w1, iw1, w1 - */ - - vw = _mm_packus_epi16 (vw, vw); - /* vw: iw0, w0, iw0, w0, iw1, w1, iw1, w1, - * iw0, w0, iw0, w0, iw1, w1, iw1, w1 - */ - vx = _mm_add_epi16 (vx, vux); - - x += 2 * ux; - - vr = _mm_unpacklo_epi16 (vrl1, vrl0); - /* vr: rar0, rar1, rgb0, rgb1, lar0, lar1, lgb0, lgb1 */ - - s = _mm_shuffle_epi32 (vr, _MM_SHUFFLE (1, 0, 3, 2)); - /* s: lar0, lar1, lgb0, lgb1, rar0, rar1, rgb0, rgb1 */ - - vr = _mm_unpackhi_epi8 (vr, s); - /* vr: la0, ra0, lr0, rr0, la1, ra1, lr1, rr1, - * lg0, rg0, lb0, rb0, lg1, rg1, lb1, rb1 - */ - - vr = _mm_maddubs_epi16 (vr, vw); - - /* When the weight is 0, the inverse weight is - * 128 which can't be represented in a signed byte. - * As a result maddubsw computes the following: - * - * r = l * -128 + r * 0 - * - * rather than the desired - * - * r = l * 128 + r * 0 - * - * We fix this by taking the absolute value of the - * result. - */ - vr = _mm_abs_epi16 (vr); - - /* vr: A0, R0, A1, R1, G0, B0, G1, B1 */ - _mm_store_si128 (b++, vr); - } - - if (n == -1) - { - vrl1 = _mm_setzero_si128(); - goto final_pixel; - } - - line->y = y; -} - -static uint32_t * -ssse3_fetch_bilinear_cover (pixman_iter_t *iter, const uint32_t *mask) -{ - pixman_fixed_t fx, ux; - bilinear_info_t *info = iter->data; - line_t *line0, *line1; - int y0, y1; - int32_t dist_y; - __m128i vw; - int i; - - fx = info->x; - ux = iter->image->common.transform->matrix[0][0]; - - y0 = pixman_fixed_to_int (info->y); - y1 = y0 + 1; - - line0 = &info->lines[y0 & 0x01]; - line1 = &info->lines[y1 & 0x01]; - - if (line0->y != y0) - { - ssse3_fetch_horizontal ( - &iter->image->bits, line0, y0, fx, ux, iter->width); - } - - if (line1->y != y1) - { - ssse3_fetch_horizontal ( - &iter->image->bits, line1, y1, fx, ux, iter->width); - } - - dist_y = pixman_fixed_to_bilinear_weight (info->y); - dist_y <<= (16 - BILINEAR_INTERPOLATION_BITS); - - vw = _mm_set_epi16 ( - dist_y, dist_y, dist_y, dist_y, dist_y, dist_y, dist_y, dist_y); - - for (i = 0; i + 3 < iter->width; i += 4) - { - __m128i top0 = _mm_load_si128 ((__m128i *)(line0->buffer + i)); - __m128i bot0 = _mm_load_si128 ((__m128i *)(line1->buffer + i)); - __m128i top1 = _mm_load_si128 ((__m128i *)(line0->buffer + i + 2)); - __m128i bot1 = _mm_load_si128 ((__m128i *)(line1->buffer + i + 2)); - __m128i r0, r1, tmp, p; - - r0 = _mm_mulhi_epu16 ( - _mm_sub_epi16 (bot0, top0), vw); - tmp = _mm_cmplt_epi16 (bot0, top0); - tmp = _mm_and_si128 (tmp, vw); - r0 = _mm_sub_epi16 (r0, tmp); - r0 = _mm_add_epi16 (r0, top0); - r0 = _mm_srli_epi16 (r0, BILINEAR_INTERPOLATION_BITS); - /* r0: A0 R0 A1 R1 G0 B0 G1 B1 */ - r0 = _mm_shuffle_epi32 (r0, _MM_SHUFFLE (2, 0, 3, 1)); - /* r0: A1 R1 G1 B1 A0 R0 G0 B0 */ - - r1 = _mm_mulhi_epu16 ( - _mm_sub_epi16 (bot1, top1), vw); - tmp = _mm_cmplt_epi16 (bot1, top1); - tmp = _mm_and_si128 (tmp, vw); - r1 = _mm_sub_epi16 (r1, tmp); - r1 = _mm_add_epi16 (r1, top1); - r1 = _mm_srli_epi16 (r1, BILINEAR_INTERPOLATION_BITS); - r1 = _mm_shuffle_epi32 (r1, _MM_SHUFFLE (2, 0, 3, 1)); - /* r1: A3 R3 G3 B3 A2 R2 G2 B2 */ - - p = _mm_packus_epi16 (r0, r1); - - _mm_storeu_si128 ((__m128i *)(iter->buffer + i), p); - } - - while (i < iter->width) - { - __m128i top0 = _mm_load_si128 ((__m128i *)(line0->buffer + i)); - __m128i bot0 = _mm_load_si128 ((__m128i *)(line1->buffer + i)); - __m128i r0, tmp, p; - - r0 = _mm_mulhi_epu16 ( - _mm_sub_epi16 (bot0, top0), vw); - tmp = _mm_cmplt_epi16 (bot0, top0); - tmp = _mm_and_si128 (tmp, vw); - r0 = _mm_sub_epi16 (r0, tmp); - r0 = _mm_add_epi16 (r0, top0); - r0 = _mm_srli_epi16 (r0, BILINEAR_INTERPOLATION_BITS); - /* r0: A0 R0 A1 R1 G0 B0 G1 B1 */ - r0 = _mm_shuffle_epi32 (r0, _MM_SHUFFLE (2, 0, 3, 1)); - /* r0: A1 R1 G1 B1 A0 R0 G0 B0 */ - - p = _mm_packus_epi16 (r0, r0); - - if (iter->width - i == 1) - { - *(uint32_t *)(iter->buffer + i) = _mm_cvtsi128_si32 (p); - i++; - } - else - { - _mm_storel_epi64 ((__m128i *)(iter->buffer + i), p); - i += 2; - } - } - - info->y += iter->image->common.transform->matrix[1][1]; - - return iter->buffer; -} - -static void -ssse3_bilinear_cover_iter_fini (pixman_iter_t *iter) -{ - free (iter->data); -} - -static void -ssse3_bilinear_cover_iter_init (pixman_iter_t *iter, const pixman_iter_info_t *iter_info) -{ - int width = iter->width; - bilinear_info_t *info; - pixman_vector_t v; - - /* Reference point is the center of the pixel */ - v.vector[0] = pixman_int_to_fixed (iter->x) + pixman_fixed_1 / 2; - v.vector[1] = pixman_int_to_fixed (iter->y) + pixman_fixed_1 / 2; - v.vector[2] = pixman_fixed_1; - - if (!pixman_transform_point_3d (iter->image->common.transform, &v)) - goto fail; - - info = malloc (sizeof (*info) + (2 * width - 1) * sizeof (uint64_t) + 64); - if (!info) - goto fail; - - info->x = v.vector[0] - pixman_fixed_1 / 2; - info->y = v.vector[1] - pixman_fixed_1 / 2; - -#define ALIGN(addr) \ - ((void *)((((uintptr_t)(addr)) + 15) & (~15))) - - /* It is safe to set the y coordinates to -1 initially - * because COVER_CLIP_BILINEAR ensures that we will only - * be asked to fetch lines in the [0, height) interval - */ - info->lines[0].y = -1; - info->lines[0].buffer = ALIGN (&(info->data[0])); - info->lines[1].y = -1; - info->lines[1].buffer = ALIGN (info->lines[0].buffer + width); - - iter->get_scanline = ssse3_fetch_bilinear_cover; - iter->fini = ssse3_bilinear_cover_iter_fini; - - iter->data = info; - return; - -fail: - /* Something went wrong, either a bad matrix or OOM; in such cases, - * we don't guarantee any particular rendering. - */ - _pixman_log_error ( - FUNC, "Allocation failure or bad matrix, skipping rendering\n"); - - iter->get_scanline = _pixman_iter_get_scanline_noop; - iter->fini = NULL; -} - -static const pixman_iter_info_t ssse3_iters[] = -{ - { PIXMAN_a8r8g8b8, - (FAST_PATH_STANDARD_FLAGS | - FAST_PATH_SCALE_TRANSFORM | - FAST_PATH_BILINEAR_FILTER | - FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR), - ITER_NARROW | ITER_SRC, - ssse3_bilinear_cover_iter_init, - NULL, NULL - }, - - { PIXMAN_null }, -}; - -static const pixman_fast_path_t ssse3_fast_paths[] = -{ - { PIXMAN_OP_NONE }, -}; - -pixman_implementation_t * -_pixman_implementation_create_ssse3 (pixman_implementation_t *fallback) -{ - pixman_implementation_t *imp = - _pixman_implementation_create (fallback, ssse3_fast_paths); - - imp->iter_info = ssse3_iters; - - return imp; -} |