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-rw-r--r--qemu/pixman/test/scaling-bench.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/qemu/pixman/test/scaling-bench.c b/qemu/pixman/test/scaling-bench.c
deleted file mode 100644
index 365e79850..000000000
--- a/qemu/pixman/test/scaling-bench.c
+++ /dev/null
@@ -1,80 +0,0 @@
-#include <stdlib.h>
-#include "utils.h"
-
-#define SOURCE_WIDTH 320
-#define SOURCE_HEIGHT 240
-#define TEST_REPEATS 3
-
-static pixman_image_t *
-make_source (void)
-{
- size_t n_bytes = (SOURCE_WIDTH + 2) * (SOURCE_HEIGHT + 2) * 4;
- uint32_t *data = malloc (n_bytes);
- pixman_image_t *source;
-
- prng_randmemset (data, n_bytes, 0);
-
- source = pixman_image_create_bits (
- PIXMAN_a8r8g8b8, SOURCE_WIDTH + 2, SOURCE_HEIGHT + 2,
- data,
- (SOURCE_WIDTH + 2) * 4);
-
- pixman_image_set_filter (source, PIXMAN_FILTER_BILINEAR, NULL, 0);
-
- return source;
-}
-
-int
-main ()
-{
- double scale;
- pixman_image_t *src;
-
- prng_srand (23874);
-
- src = make_source ();
- printf ("# %-6s %-22s %-14s %-12s\n",
- "ratio",
- "resolutions",
- "time / ms",
- "time per pixel / ns");
- for (scale = 0.1; scale < 10.005; scale += 0.01)
- {
- int i;
- int dest_width = SOURCE_WIDTH * scale + 0.5;
- int dest_height = SOURCE_HEIGHT * scale + 0.5;
- int dest_byte_stride = (dest_width * 4 + 15) & ~15;
- pixman_fixed_t s = (1 / scale) * 65536.0 + 0.5;
- pixman_transform_t transform;
- pixman_image_t *dest;
- double t1, t2, t = -1;
- uint32_t *dest_buf = aligned_malloc (16, dest_byte_stride * dest_height);
- memset (dest_buf, 0, dest_byte_stride * dest_height);
-
- pixman_transform_init_scale (&transform, s, s);
- pixman_image_set_transform (src, &transform);
-
- dest = pixman_image_create_bits (
- PIXMAN_a8r8g8b8, dest_width, dest_height, dest_buf, dest_byte_stride);
-
- for (i = 0; i < TEST_REPEATS; i++)
- {
- t1 = gettime();
- pixman_image_composite (
- PIXMAN_OP_OVER, src, NULL, dest,
- scale, scale, 0, 0, 0, 0, dest_width, dest_height);
- t2 = gettime();
- if (t < 0 || t2 - t1 < t)
- t = t2 - t1;
- }
-
- printf ("%6.2f : %4dx%-4d => %4dx%-4d : %12.4f : %12.4f\n",
- scale, SOURCE_WIDTH, SOURCE_HEIGHT, dest_width, dest_height,
- t * 1000, (t / (dest_width * dest_height)) * 1000000000);
-
- pixman_image_unref (dest);
- free (dest_buf);
- }
-
- return 0;
-}