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-rw-r--r--libs/pixman-0.40.0/test/affine-bench.c448
1 files changed, 0 insertions, 448 deletions
diff --git a/libs/pixman-0.40.0/test/affine-bench.c b/libs/pixman-0.40.0/test/affine-bench.c
deleted file mode 100644
index 86bf46e..0000000
--- a/libs/pixman-0.40.0/test/affine-bench.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * Copyright © 2014 RISC OS Open Ltd
- *
- * 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 the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. The copyright holders make 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: Ben Avison (bavison@riscosopen.org)
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdint.h>
-#include "utils.h"
-
-#ifdef HAVE_GETTIMEOFDAY
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
-
-#define WIDTH 1920
-#define HEIGHT 1080
-
-/* How much data to read to flush all cached data to RAM */
-#define MAX_L2CACHE_SIZE (8 * 1024 * 1024)
-
-#define PAGE_SIZE (4 * 1024)
-
-struct bench_info
-{
- pixman_op_t op;
- pixman_transform_t transform;
- pixman_image_t *src_image;
- pixman_image_t *mask_image;
- pixman_image_t *dest_image;
- int32_t src_x;
- int32_t src_y;
-};
-
-typedef struct bench_info bench_info_t;
-
-struct box_48_16
-{
- pixman_fixed_48_16_t x1;
- pixman_fixed_48_16_t y1;
- pixman_fixed_48_16_t x2;
- pixman_fixed_48_16_t y2;
-};
-
-typedef struct box_48_16 box_48_16_t;
-
-/* This function is copied verbatim from pixman.c. */
-static pixman_bool_t
-compute_transformed_extents (pixman_transform_t *transform,
- const pixman_box32_t *extents,
- box_48_16_t *transformed)
-{
- pixman_fixed_48_16_t tx1, ty1, tx2, ty2;
- pixman_fixed_t x1, y1, x2, y2;
- int i;
-
- x1 = pixman_int_to_fixed (extents->x1) + pixman_fixed_1 / 2;
- y1 = pixman_int_to_fixed (extents->y1) + pixman_fixed_1 / 2;
- x2 = pixman_int_to_fixed (extents->x2) - pixman_fixed_1 / 2;
- y2 = pixman_int_to_fixed (extents->y2) - pixman_fixed_1 / 2;
-
- if (!transform)
- {
- transformed->x1 = x1;
- transformed->y1 = y1;
- transformed->x2 = x2;
- transformed->y2 = y2;
-
- return TRUE;
- }
-
- tx1 = ty1 = INT64_MAX;
- tx2 = ty2 = INT64_MIN;
-
- for (i = 0; i < 4; ++i)
- {
- pixman_fixed_48_16_t tx, ty;
- pixman_vector_t v;
-
- v.vector[0] = (i & 0x01)? x1 : x2;
- v.vector[1] = (i & 0x02)? y1 : y2;
- v.vector[2] = pixman_fixed_1;
-
- if (!pixman_transform_point (transform, &v))
- return FALSE;
-
- tx = (pixman_fixed_48_16_t)v.vector[0];
- ty = (pixman_fixed_48_16_t)v.vector[1];
-
- if (tx < tx1)
- tx1 = tx;
- if (ty < ty1)
- ty1 = ty;
- if (tx > tx2)
- tx2 = tx;
- if (ty > ty2)
- ty2 = ty;
- }
-
- transformed->x1 = tx1;
- transformed->y1 = ty1;
- transformed->x2 = tx2;
- transformed->y2 = ty2;
-
- return TRUE;
-}
-
-static void
-create_image (uint32_t width,
- uint32_t height,
- pixman_format_code_t format,
- pixman_filter_t filter,
- uint32_t **bits,
- pixman_image_t **image)
-{
- uint32_t stride = (width * PIXMAN_FORMAT_BPP (format) + 31) / 32 * 4;
-
- *bits = aligned_malloc (PAGE_SIZE, stride * height);
- memset (*bits, 0xCC, stride * height);
- *image = pixman_image_create_bits (format, width, height, *bits, stride);
- pixman_image_set_repeat (*image, PIXMAN_REPEAT_NORMAL);
- pixman_image_set_filter (*image, filter, NULL, 0);
-}
-
-/* This needs to match the shortest cacheline length we expect to encounter */
-#define CACHE_CLEAN_INCREMENT 32
-
-static void
-flush_cache (void)
-{
- static const char clean_space[MAX_L2CACHE_SIZE];
- volatile const char *x = clean_space;
- const char *clean_end = clean_space + sizeof clean_space;
-
- while (x < clean_end)
- {
- (void) *x;
- x += CACHE_CLEAN_INCREMENT;
- }
-}
-
-/* Obtain current time in microseconds modulo 2^32 */
-uint32_t
-gettimei (void)
-{
-#ifdef HAVE_GETTIMEOFDAY
- struct timeval tv;
-
- gettimeofday (&tv, NULL);
- return tv.tv_sec * 1000000 + tv.tv_usec;
-#else
- return (uint64_t) clock () * 1000000 / CLOCKS_PER_SEC;
-#endif
-}
-
-static void
-pixman_image_composite_wrapper (const pixman_composite_info_t *info)
-{
- pixman_image_composite (info->op,
- info->src_image, info->mask_image, info->dest_image,
- info->src_x, info->src_y,
- info->mask_x, info->mask_y,
- info->dest_x, info->dest_y,
- info->width, info->height);
-}
-
-static void
-pixman_image_composite_empty (const pixman_composite_info_t *info)
-{
- pixman_image_composite (info->op,
- info->src_image, info->mask_image, info->dest_image,
- info->src_x, info->src_y,
- info->mask_x, info->mask_y,
- info->dest_x, info->dest_y,
- 1, 1);
-}
-
-static void
-bench (const bench_info_t *bi,
- uint32_t max_n,
- uint32_t max_time,
- uint32_t *ret_n,
- uint32_t *ret_time,
- void (*func) (const pixman_composite_info_t *info))
-{
- uint32_t n = 0;
- uint32_t t0;
- uint32_t t1;
- uint32_t x = 0;
- pixman_transform_t t;
- pixman_composite_info_t info;
-
- t = bi->transform;
- info.op = bi->op;
- info.src_image = bi->src_image;
- info.mask_image = bi->mask_image;
- info.dest_image = bi->dest_image;
- info.src_x = 0;
- info.src_y = 0;
- info.mask_x = 0;
- info.mask_y = 0;
- /* info.dest_x set below */
- info.dest_y = 0;
- info.width = WIDTH;
- info.height = HEIGHT;
-
- t0 = gettimei ();
-
- do
- {
-
- if (++x >= 64)
- x = 0;
-
- info.dest_x = 63 - x;
-
- t.matrix[0][2] = pixman_int_to_fixed (bi->src_x + x);
- t.matrix[1][2] = pixman_int_to_fixed (bi->src_y);
- pixman_image_set_transform (bi->src_image, &t);
-
- if (bi->mask_image)
- pixman_image_set_transform (bi->mask_image, &t);
-
- func (&info);
- t1 = gettimei ();
- }
- while (++n < max_n && (t1 - t0) < max_time);
-
- if (ret_n)
- *ret_n = n;
-
- *ret_time = t1 - t0;
-}
-
-int
-parse_fixed_argument (char *arg, pixman_fixed_t *value)
-{
- char *tailptr;
-
- *value = pixman_double_to_fixed (strtod (arg, &tailptr));
-
- return *tailptr == '\0';
-}
-
-int
-parse_arguments (int argc,
- char *argv[],
- pixman_transform_t *t,
- pixman_op_t *op,
- pixman_format_code_t *src_format,
- pixman_format_code_t *mask_format,
- pixman_format_code_t *dest_format)
-{
- if (!parse_fixed_argument (*argv, &t->matrix[0][0]))
- return 0;
-
- if (*++argv == NULL)
- return 1;
-
- if (!parse_fixed_argument (*argv, &t->matrix[0][1]))
- return 0;
-
- if (*++argv == NULL)
- return 1;
-
- if (!parse_fixed_argument (*argv, &t->matrix[1][0]))
- return 0;
-
- if (*++argv == NULL)
- return 1;
-
- if (!parse_fixed_argument (*argv, &t->matrix[1][1]))
- return 0;
-
- if (*++argv == NULL)
- return 1;
-
- *op = operator_from_string (*argv);
- if (*op == PIXMAN_OP_NONE)
- return 0;
-
- if (*++argv == NULL)
- return 1;
-
- *src_format = format_from_string (*argv);
- if (*src_format == PIXMAN_null)
- return 0;
-
- ++argv;
- if (argv[0] && argv[1])
- {
- *mask_format = format_from_string (*argv);
- if (*mask_format == PIXMAN_null)
- return 0;
- ++argv;
- }
- if (*argv)
- {
- *dest_format = format_from_string (*argv);
- if (*dest_format == PIXMAN_null)
- return 0;
- }
- return 1;
-}
-
-static void
-run_benchmark (const bench_info_t *bi)
-{
- uint32_t n; /* number of iterations in at least 5 seconds */
- uint32_t t1; /* time taken to do n iterations, microseconds */
- uint32_t t2; /* calling overhead for n iterations, microseconds */
-
- flush_cache ();
- bench (bi, UINT32_MAX, 5000000, &n, &t1, pixman_image_composite_wrapper);
- bench (bi, n, UINT32_MAX, NULL, &t2, pixman_image_composite_empty);
-
- /* The result indicates the output rate in megapixels/second */
- printf ("%6.2f\n", (double) n * WIDTH * HEIGHT / (t1 - t2));
-}
-
-
-int
-main (int argc, char *argv[])
-{
- bench_info_t binfo;
- pixman_filter_t filter = PIXMAN_FILTER_NEAREST;
- pixman_format_code_t src_format = PIXMAN_a8r8g8b8;
- pixman_format_code_t mask_format = 0;
- pixman_format_code_t dest_format = PIXMAN_a8r8g8b8;
- pixman_box32_t dest_box = { 0, 0, WIDTH, HEIGHT };
- box_48_16_t transformed = { 0 };
- int32_t xmin, ymin, xmax, ymax;
- uint32_t *src, *mask, *dest;
-
- binfo.op = PIXMAN_OP_SRC;
- binfo.mask_image = NULL;
- pixman_transform_init_identity (&binfo.transform);
-
- ++argv;
- if (*argv && (*argv)[0] == '-' && (*argv)[1] == 'n')
- {
- filter = PIXMAN_FILTER_NEAREST;
- ++argv;
- --argc;
- }
-
- if (*argv && (*argv)[0] == '-' && (*argv)[1] == 'b')
- {
- filter = PIXMAN_FILTER_BILINEAR;
- ++argv;
- --argc;
- }
-
- if (argc == 1 ||
- !parse_arguments (argc, argv, &binfo.transform, &binfo.op,
- &src_format, &mask_format, &dest_format))
- {
- printf ("Usage: affine-bench [-n] [-b] axx [axy] [ayx] [ayy] [combine type]\n");
- printf (" [src format] [mask format] [dest format]\n");
- printf (" -n : nearest scaling (default)\n");
- printf (" -b : bilinear scaling\n");
- printf (" axx : x_out:x_in factor\n");
- printf (" axy : x_out:y_in factor (default 0)\n");
- printf (" ayx : y_out:x_in factor (default 0)\n");
- printf (" ayy : y_out:y_in factor (default 1)\n");
- printf (" combine type : src, over, in etc (default src)\n");
- printf (" src format : a8r8g8b8, r5g6b5 etc (default a8r8g8b8)\n");
- printf (" mask format : as for src format, but no mask used if omitted\n");
- printf (" dest format : as for src format (default a8r8g8b8)\n");
- printf ("The output is a single number in megapixels/second.\n");
-
- return EXIT_FAILURE;
- }
-
- /* Compute required extents for source and mask image so they qualify
- * for COVER fast paths and get the flags in pixman.c:analyze_extent().
- * These computations are for FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR,
- * but at the same time they also allow COVER_CLIP_NEAREST.
- */
- compute_transformed_extents (&binfo.transform, &dest_box, &transformed);
- xmin = pixman_fixed_to_int (transformed.x1 - pixman_fixed_1 / 2);
- ymin = pixman_fixed_to_int (transformed.y1 - pixman_fixed_1 / 2);
- xmax = pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2);
- ymax = pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2);
- /* Note:
- * The upper limits can be reduced to the following when fetchers
- * are guaranteed to not access pixels with zero weight. This concerns
- * particularly all bilinear samplers.
- *
- * xmax = pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2 - pixman_fixed_e);
- * ymax = pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2 - pixman_fixed_e);
- * This is equivalent to subtracting 0.5 and rounding up, rather than
- * subtracting 0.5, rounding down and adding 1.
- */
- binfo.src_x = -xmin;
- binfo.src_y = -ymin;
-
- /* Always over-allocate width by 64 pixels for all src, mask and dst,
- * so that we can iterate over an x-offset 0..63 in bench ().
- * This is similar to lowlevel-blt-bench, which uses the same method
- * to hit different cacheline misalignments.
- */
- create_image (xmax - xmin + 64, ymax - ymin + 1, src_format, filter,
- &src, &binfo.src_image);
-
- if (mask_format)
- {
- create_image (xmax - xmin + 64, ymax - ymin + 1, mask_format, filter,
- &mask, &binfo.mask_image);
-
- if ((PIXMAN_FORMAT_R(mask_format) ||
- PIXMAN_FORMAT_G(mask_format) ||
- PIXMAN_FORMAT_B(mask_format)))
- {
- pixman_image_set_component_alpha (binfo.mask_image, 1);
- }
- }
-
- create_image (WIDTH + 64, HEIGHT, dest_format, filter,
- &dest, &binfo.dest_image);
-
- run_benchmark (&binfo);
-
- return EXIT_SUCCESS;
-}
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