add pixman and libpngraylib

1 files changed, 1161 insertions, 0 deletions

diff --git a/libs/pixman-0.40.0/test/lowlevel-blt-bench.c b/libs/pixman-0.40.0/test/lowlevel-blt-bench.c
new file mode 100644
index 0000000..7ba2986
--- /dev/null
+++ b/libs/pixman-0.40.0/test/lowlevel-blt-bench.c
@@ -0,0 +1,1161 @@
+/*
+ * Copyright © 2009 Nokia Corporation
+ * Copyright © 2010 Movial Creative Technologies Oy
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "utils.h"
+
+#define SOLID_FLAG 1
+#define CA_FLAG    2
+
+#define L1CACHE_SIZE (8 * 1024)
+#define L2CACHE_SIZE (128 * 1024)
+
+/* This is applied to both L1 and L2 tests - alternatively, you could
+ * parameterise bench_L or split it into two functions. It could be
+ * read at runtime on some architectures, but it only really matters
+ * that it's a number that's an integer divisor of both cacheline
+ * lengths, and further, it only really matters for caches that don't
+ * do allocate0on-write. */
+#define CACHELINE_LENGTH (32) /* bytes */
+
+#define WIDTH  1920
+#define HEIGHT 1080
+#define BUFSIZE (WIDTH * HEIGHT * 4)
+#define XWIDTH 256
+#define XHEIGHT 256
+#define TILEWIDTH 32
+#define TINYWIDTH 8
+
+#define EXCLUDE_OVERHEAD 1
+
+uint32_t *dst;
+uint32_t *src;
+uint32_t *mask;
+
+double bandwidth = 0.0;
+
+double
+bench_memcpy ()
+{
+    int64_t n = 0, total;
+    double  t1, t2;
+    int     x = 0;
+
+    t1 = gettime ();
+    while (1)
+    {
+	memcpy (dst, src, BUFSIZE - 64);
+	memcpy (src, dst, BUFSIZE - 64);
+	n += 4 * (BUFSIZE - 64);
+	t2 = gettime ();
+	if (t2 - t1 > 0.5)
+	    break;
+    }
+    n = total = n * 5;
+    t1 = gettime ();
+    while (n > 0)
+    {
+	if (++x >= 64)
+	    x = 0;
+	memcpy ((char *)dst + 1, (char *)src + x, BUFSIZE - 64);
+	memcpy ((char *)src + 1, (char *)dst + x, BUFSIZE - 64);
+	n -= 4 * (BUFSIZE - 64);
+    }
+    t2 = gettime ();
+    return (double)total / (t2 - t1);
+}
+
+static pixman_bool_t use_scaling = FALSE;
+static pixman_filter_t filter = PIXMAN_FILTER_NEAREST;
+static pixman_bool_t use_csv_output = FALSE;
+
+/* nearly 1x scale factor */
+static pixman_transform_t m =
+{
+    {
+        { pixman_fixed_1 + 1, 0,              0              },
+        { 0,                  pixman_fixed_1, 0              },
+        { 0,                  0,              pixman_fixed_1 }
+    }
+};
+
+static void
+pixman_image_composite_wrapper (pixman_implementation_t *impl,
+				pixman_composite_info_t *info)
+{
+    if (use_scaling)
+    {
+        pixman_image_set_filter (info->src_image, filter, NULL, 0);
+        pixman_image_set_transform(info->src_image, &m);
+    }
+    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 (pixman_implementation_t *impl,
+			      pixman_composite_info_t *info)
+{
+    if (use_scaling)
+    {
+        pixman_image_set_filter (info->src_image, filter, NULL, 0);
+        pixman_image_set_transform(info->src_image, &m);
+    }
+    pixman_image_composite (info->op,
+			    info->src_image, info->mask_image, info->dest_image,
+			    0, 0, 0, 0, 0, 0, 1, 1);
+}
+
+static inline void
+call_func (pixman_composite_func_t func,
+	   pixman_op_t             op,
+	   pixman_image_t *        src_image,
+	   pixman_image_t *        mask_image,
+	   pixman_image_t *        dest_image,
+	   int32_t		   src_x,
+	   int32_t		   src_y,
+	   int32_t                 mask_x,
+	   int32_t                 mask_y,
+	   int32_t                 dest_x,
+	   int32_t                 dest_y,
+	   int32_t                 width,
+	   int32_t                 height)
+{
+    pixman_composite_info_t info;
+
+    info.op = op;
+    info.src_image = src_image;
+    info.mask_image = mask_image;
+    info.dest_image = dest_image;
+    info.src_x = src_x;
+    info.src_y = src_y;
+    info.mask_x = mask_x;
+    info.mask_y = mask_y;
+    info.dest_x = dest_x;
+    info.dest_y = dest_y;
+    info.width = width;
+    info.height = height;
+
+    func (0, &info);
+}
+
+double
+noinline
+bench_L  (pixman_op_t              op,
+          pixman_image_t *         src_img,
+          pixman_image_t *         mask_img,
+          pixman_image_t *         dst_img,
+          int64_t                  n,
+          pixman_composite_func_t  func,
+          int                      width,
+          int                      lines_count)
+{
+    int64_t      i, j, k;
+    int          x = 0;
+    int          q = 0;
+
+    for (i = 0; i < n; i++)
+    {
+        /* For caches without allocate-on-write, we need to force the
+         * destination buffer back into the cache on each iteration,
+         * otherwise if they are evicted during the test, they remain
+         * uncached. This doesn't matter for tests which read the
+         * destination buffer, or for caches that do allocate-on-write,
+         * but in those cases this loop just adds constant time, which
+         * should be successfully cancelled out.
+         */
+        for (j = 0; j < lines_count; j++)
+        {
+            for (k = 0; k < width + 62; k += CACHELINE_LENGTH / sizeof *dst)
+            {
+                q += dst[j * WIDTH + k];
+            }
+            q += dst[j * WIDTH + width + 62];
+        }
+	if (++x >= 64)
+	    x = 0;
+	call_func (func, op, src_img, mask_img, dst_img, x, 0, x, 0, 63 - x, 0, width, lines_count);
+    }
+
+    return (double)n * lines_count * width;
+}
+
+double
+noinline
+bench_M (pixman_op_t              op,
+         pixman_image_t *         src_img,
+         pixman_image_t *         mask_img,
+         pixman_image_t *         dst_img,
+         int64_t                  n,
+         pixman_composite_func_t  func)
+{
+    int64_t i;
+    int     x = 0;
+
+    for (i = 0; i < n; i++)
+    {
+	if (++x >= 64)
+	    x = 0;
+	call_func (func, op, src_img, mask_img, dst_img, x, 0, x, 0, 1, 0, WIDTH - 64, HEIGHT);
+    }
+
+    return (double)n * (WIDTH - 64) * HEIGHT;
+}
+
+double
+noinline
+bench_HT (pixman_op_t              op,
+          pixman_image_t *         src_img,
+          pixman_image_t *         mask_img,
+          pixman_image_t *         dst_img,
+          int64_t                  n,
+          pixman_composite_func_t  func)
+{
+    double  pix_cnt = 0;
+    int     x = 0;
+    int     y = 0;
+    int64_t i;
+
+    srand (0);
+    for (i = 0; i < n; i++)
+    {
+	int w = (rand () % (TILEWIDTH * 2)) + 1;
+	int h = (rand () % (TILEWIDTH * 2)) + 1;
+	if (x + w > WIDTH)
+	{
+	    x = 0;
+	    y += TILEWIDTH * 2;
+	}
+	if (y + h > HEIGHT)
+	{
+	    y = 0;
+	}
+	call_func (func, op, src_img, mask_img, dst_img, x, y, x, y, x, y, w, h);
+	x += w;
+	pix_cnt += w * h;
+    }
+    return pix_cnt;
+}
+
+double
+noinline
+bench_VT (pixman_op_t              op,
+          pixman_image_t *         src_img,
+          pixman_image_t *         mask_img,
+          pixman_image_t *         dst_img,
+          int64_t                  n,
+          pixman_composite_func_t  func)
+{
+    double  pix_cnt = 0;
+    int     x = 0;
+    int     y = 0;
+    int64_t i;
+
+    srand (0);
+    for (i = 0; i < n; i++)
+    {
+	int w = (rand () % (TILEWIDTH * 2)) + 1;
+	int h = (rand () % (TILEWIDTH * 2)) + 1;
+	if (y + h > HEIGHT)
+	{
+	    y = 0;
+	    x += TILEWIDTH * 2;
+	}
+	if (x + w > WIDTH)
+	{
+	    x = 0;
+	}
+	call_func (func, op, src_img, mask_img, dst_img, x, y, x, y, x, y, w, h);
+	y += h;
+	pix_cnt += w * h;
+    }
+    return pix_cnt;
+}
+
+double
+noinline
+bench_R (pixman_op_t              op,
+         pixman_image_t *         src_img,
+         pixman_image_t *         mask_img,
+         pixman_image_t *         dst_img,
+         int64_t                  n,
+         pixman_composite_func_t  func,
+         int                      maxw,
+         int                      maxh)
+{
+    double  pix_cnt = 0;
+    int64_t i;
+
+    if (maxw <= TILEWIDTH * 2 || maxh <= TILEWIDTH * 2)
+    {
+	printf("error: maxw <= TILEWIDTH * 2 || maxh <= TILEWIDTH * 2\n");
+        return 0;
+    }
+
+    srand (0);
+    for (i = 0; i < n; i++)
+    {
+	int w = (rand () % (TILEWIDTH * 2)) + 1;
+	int h = (rand () % (TILEWIDTH * 2)) + 1;
+	int sx = rand () % (maxw - TILEWIDTH * 2);
+	int sy = rand () % (maxh - TILEWIDTH * 2);
+	int dx = rand () % (maxw - TILEWIDTH * 2);
+	int dy = rand () % (maxh - TILEWIDTH * 2);
+	call_func (func, op, src_img, mask_img, dst_img, sx, sy, sx, sy, dx, dy, w, h);
+	pix_cnt += w * h;
+    }
+    return pix_cnt;
+}
+
+double
+noinline
+bench_RT (pixman_op_t              op,
+          pixman_image_t *         src_img,
+          pixman_image_t *         mask_img,
+          pixman_image_t *         dst_img,
+          int64_t                  n,
+          pixman_composite_func_t  func,
+          int                      maxw,
+          int                      maxh)
+{
+    double  pix_cnt = 0;
+    int64_t i;
+
+    if (maxw <= TINYWIDTH * 2 || maxh <= TINYWIDTH * 2)
+    {
+	printf("error: maxw <= TINYWIDTH * 2 || maxh <= TINYWIDTH * 2\n");
+        return 0;
+    }
+
+    srand (0);
+    for (i = 0; i < n; i++)
+    {
+	int w = (rand () % (TINYWIDTH * 2)) + 1;
+	int h = (rand () % (TINYWIDTH * 2)) + 1;
+	int sx = rand () % (maxw - TINYWIDTH * 2);
+	int sy = rand () % (maxh - TINYWIDTH * 2);
+	int dx = rand () % (maxw - TINYWIDTH * 2);
+	int dy = rand () % (maxh - TINYWIDTH * 2);
+	call_func (func, op, src_img, mask_img, dst_img, sx, sy, sx, sy, dx, dy, w, h);
+	pix_cnt += w * h;
+    }
+    return pix_cnt;
+}
+
+static double
+Mpx_per_sec (double pix_cnt, double t1, double t2, double t3)
+{
+    double overhead = t2 - t1;
+    double testtime = t3 - t2;
+
+    return pix_cnt / (testtime - overhead) / 1e6;
+}
+
+void
+bench_composite (const char *testname,
+                 int         src_fmt,
+                 int         src_flags,
+                 int         op,
+                 int         mask_fmt,
+                 int         mask_flags,
+                 int         dst_fmt,
+                 double      npix)
+{
+    pixman_image_t *                src_img;
+    pixman_image_t *                dst_img;
+    pixman_image_t *                mask_img;
+    pixman_image_t *                xsrc_img;
+    pixman_image_t *                xdst_img;
+    pixman_image_t *                xmask_img;
+    double                          t1, t2, t3, pix_cnt;
+    int64_t                         n, l1test_width, nlines;
+    double                             bytes_per_pix = 0;
+    pixman_bool_t                   bench_pixbuf = FALSE;
+
+    pixman_composite_func_t func = pixman_image_composite_wrapper;
+
+    if (!(src_flags & SOLID_FLAG))
+    {
+        bytes_per_pix += (src_fmt >> 24) / 8.0;
+        src_img = pixman_image_create_bits (src_fmt,
+                                            WIDTH, HEIGHT,
+                                            src,
+                                            WIDTH * 4);
+        xsrc_img = pixman_image_create_bits (src_fmt,
+                                             XWIDTH, XHEIGHT,
+                                             src,
+                                             XWIDTH * 4);
+    }
+    else
+    {
+        src_img = pixman_image_create_bits (src_fmt,
+                                            1, 1,
+                                            src,
+                                            4);
+        xsrc_img = pixman_image_create_bits (src_fmt,
+                                             1, 1,
+                                             src,
+                                             4);
+        pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL);
+        pixman_image_set_repeat (xsrc_img, PIXMAN_REPEAT_NORMAL);
+    }
+
+    bytes_per_pix += (dst_fmt >> 24) / 8.0;
+    dst_img = pixman_image_create_bits (dst_fmt,
+                                        WIDTH, HEIGHT,
+                                        dst,
+                                        WIDTH * 4);
+
+    mask_img = NULL;
+    xmask_img = NULL;
+    if (strcmp (testname, "pixbuf") == 0 || strcmp (testname, "rpixbuf") == 0)
+    {
+        bench_pixbuf = TRUE;
+    }
+    if (!(mask_flags & SOLID_FLAG) && mask_fmt != PIXMAN_null)
+    {
+        bytes_per_pix += (mask_fmt >> 24) / ((op == PIXMAN_OP_SRC) ? 8.0 : 4.0);
+        mask_img = pixman_image_create_bits (mask_fmt,
+                                             WIDTH, HEIGHT,
+                                             bench_pixbuf ? src : mask,
+                                             WIDTH * 4);
+        xmask_img = pixman_image_create_bits (mask_fmt,
+                                             XWIDTH, XHEIGHT,
+                                             bench_pixbuf ? src : mask,
+                                             XWIDTH * 4);
+    }
+    else if (mask_fmt != PIXMAN_null)
+    {
+        mask_img = pixman_image_create_bits (mask_fmt,
+                                             1, 1,
+                                             mask,
+                                             4);
+        xmask_img = pixman_image_create_bits (mask_fmt,
+                                             1, 1,
+                                             mask,
+                                             4 * 4);
+       pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL);
+       pixman_image_set_repeat (xmask_img, PIXMAN_REPEAT_NORMAL);
+    }
+    if ((mask_flags & CA_FLAG) && mask_fmt != PIXMAN_null)
+    {
+       pixman_image_set_component_alpha (mask_img, 1);
+    }
+    xdst_img = pixman_image_create_bits (dst_fmt,
+                                         XWIDTH, XHEIGHT,
+                                         dst,
+                                         XWIDTH * 4);
+
+    if (!use_csv_output)
+        printf ("%24s %c", testname, func != pixman_image_composite_wrapper ?
+                '-' : '=');
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    l1test_width = L1CACHE_SIZE / 8 - 64;
+    if (l1test_width < 1)
+	l1test_width = 1;
+    if (l1test_width > WIDTH - 64)
+	l1test_width = WIDTH - 64;
+    n = 1 + npix / (l1test_width * 8);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_L (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, l1test_width, 1);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_L (op, src_img, mask_img, dst_img, n, func, l1test_width, 1);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  L1:%7.2f", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    nlines = (L2CACHE_SIZE / l1test_width) /
+	((PIXMAN_FORMAT_BPP(src_fmt) + PIXMAN_FORMAT_BPP(dst_fmt)) / 8);
+    if (nlines < 1)
+	nlines = 1;
+    n = 1 + npix / (l1test_width * nlines);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_L (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, l1test_width, nlines);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_L (op, src_img, mask_img, dst_img, n, func, l1test_width, nlines);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  L2:%7.2f", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    n = 1 + npix / (WIDTH * HEIGHT);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_M (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_M (op, src_img, mask_img, dst_img, n, func);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  M:%6.2f (%6.2f%%)", Mpx_per_sec (pix_cnt, t1, t2, t3),
+                (pix_cnt / ((t3 - t2) - (t2 - t1)) * bytes_per_pix) * (100.0 / bandwidth) );
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_HT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_HT (op, src_img, mask_img, dst_img, n, func);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  HT:%6.2f", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_VT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_VT (op, src_img, mask_img, dst_img, n, func);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  VT:%6.2f", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_R (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, WIDTH, HEIGHT);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_R (op, src_img, mask_img, dst_img, n, func, WIDTH, HEIGHT);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g,", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  R:%6.2f", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    fflush (stdout);
+
+    memcpy (dst, src, BUFSIZE);
+    memcpy (src, dst, BUFSIZE);
+
+    n = 1 + npix / (16 * TINYWIDTH * TINYWIDTH);
+    t1 = gettime ();
+#if EXCLUDE_OVERHEAD
+    pix_cnt = bench_RT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, WIDTH, HEIGHT);
+#endif
+    t2 = gettime ();
+    pix_cnt = bench_RT (op, src_img, mask_img, dst_img, n, func, WIDTH, HEIGHT);
+    t3 = gettime ();
+    if (use_csv_output)
+        printf ("%g\n", Mpx_per_sec (pix_cnt, t1, t2, t3));
+    else
+        printf ("  RT:%6.2f (%4.0fKops/s)\n", Mpx_per_sec (pix_cnt, t1, t2, t3), (double) n / ((t3 - t2) * 1000));
+
+    if (mask_img) {
+	pixman_image_unref (mask_img);
+	pixman_image_unref (xmask_img);
+    }
+    pixman_image_unref (src_img);
+    pixman_image_unref (dst_img);
+    pixman_image_unref (xsrc_img);
+    pixman_image_unref (xdst_img);
+}
+
+#define PIXMAN_OP_OUT_REV (PIXMAN_OP_OUT_REVERSE)
+
+struct test_entry
+{
+    const char *testname;
+    int         src_fmt;
+    int         src_flags;
+    int         op;
+    int         mask_fmt;
+    int         mask_flags;
+    int         dst_fmt;
+};
+
+typedef struct test_entry test_entry_t;
+
+static const test_entry_t tests_tbl[] =
+{
+    { "add_8_8_8",             PIXMAN_a8,          0, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a8 },
+    { "add_n_8_8",             PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a8 },
+    { "add_n_8_8888",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "add_n_8_x888",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "add_n_8_0565",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "add_n_8_1555",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a1r5g5b5 },
+    { "add_n_8_4444",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a4r4g4b4 },
+    { "add_n_8_2222",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a2r2g2b2 },
+    { "add_n_8_2x10",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_x2r10g10b10 },
+    { "add_n_8_2a10",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_a8,       0, PIXMAN_a2r10g10b10 },
+    { "add_n_8",               PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a8 },
+    { "add_n_8888",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "add_n_x888",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "add_n_0565",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "add_n_1555",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "add_n_4444",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a4r4g4b4 },
+    { "add_n_2222",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a2r2g2b2 },
+    { "add_n_2x10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "add_n_2a10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "add_8_8",               PIXMAN_a8,          0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a8 },
+    { "add_x888_x888",         PIXMAN_x8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "add_8888_8888",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "add_8888_0565",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "add_8888_1555",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "add_8888_4444",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a4r4g4b4 },
+    { "add_8888_2222",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a2r2g2b2 },
+    { "add_0565_0565",         PIXMAN_r5g6b5,      0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "add_1555_1555",         PIXMAN_a1r5g5b5,    0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "add_0565_2x10",         PIXMAN_r5g6b5,      0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "add_2a10_2a10",         PIXMAN_a2r10g10b10, 0, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "in_n_8_8",              PIXMAN_a8r8g8b8,    1, PIXMAN_OP_IN,      PIXMAN_a8,       0, PIXMAN_a8 },
+    { "in_8_8",                PIXMAN_a8,          0, PIXMAN_OP_IN,      PIXMAN_null,     0, PIXMAN_a8 },
+    { "src_n_2222",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a2r2g2b2 },
+    { "src_n_0565",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_n_1555",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "src_n_4444",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a4r4g4b4 },
+    { "src_n_x888",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "src_n_8888",            PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "src_n_2x10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "src_n_2a10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "src_8888_0565",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_0565_8888",         PIXMAN_r5g6b5,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "src_8888_4444",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a4r4g4b4 },
+    { "src_8888_2222",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a2r2g2b2 },
+    { "src_8888_2x10",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "src_8888_2a10",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "src_0888_0565",         PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_0888_8888",         PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "src_0888_x888",         PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "src_0888_8888_rev",     PIXMAN_b8g8r8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "src_0888_0565_rev",     PIXMAN_b8g8r8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_x888_x888",         PIXMAN_x8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "src_x888_8888",         PIXMAN_x8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "src_8888_8888",         PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "src_0565_0565",         PIXMAN_r5g6b5,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_1555_0565",         PIXMAN_a1r5g5b5,    0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_0565_1555",         PIXMAN_r5g6b5,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "src_8_8",               PIXMAN_a8,          0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8 },
+    { "src_n_8",               PIXMAN_a8,          1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8 },
+    { "src_n_8_0565",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "src_n_8_1555",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a1r5g5b5 },
+    { "src_n_8_4444",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a4r4g4b4 },
+    { "src_n_8_2222",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a2r2g2b2 },
+    { "src_n_8_x888",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "src_n_8_8888",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "src_n_8_2x10",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_x2r10g10b10 },
+    { "src_n_8_2a10",          PIXMAN_a8r8g8b8,    1, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a2r10g10b10 },
+    { "src_8888_8_0565",       PIXMAN_a8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "src_0888_8_0565",       PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "src_0888_8_8888",       PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "src_0888_8_x888",       PIXMAN_r8g8b8,      0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "src_x888_8_x888",       PIXMAN_x8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "src_x888_8_8888",       PIXMAN_x8r8g8b8,    0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "src_0565_8_0565",       PIXMAN_r5g6b5,      0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "src_1555_8_0565",       PIXMAN_a1r5g5b5,    0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "src_0565_8_1555",       PIXMAN_r5g6b5,      0, PIXMAN_OP_SRC,     PIXMAN_a8,       0, PIXMAN_a1r5g5b5 },
+    { "over_n_x888",           PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "over_n_8888",           PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "over_n_0565",           PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "over_n_1555",           PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_a1r5g5b5 },
+    { "over_8888_0565",        PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "over_8888_8888",        PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_a8r8g8b8 },
+    { "over_8888_x888",        PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "over_x888_8_0565",      PIXMAN_x8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "over_x888_8_8888",      PIXMAN_x8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "over_n_8_0565",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "over_n_8_1555",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a1r5g5b5 },
+    { "over_n_8_4444",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a4r4g4b4 },
+    { "over_n_8_2222",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a2r2g2b2 },
+    { "over_n_8_x888",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "over_n_8_8888",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "over_n_8_2x10",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_x2r10g10b10 },
+    { "over_n_8_2a10",         PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8,       0, PIXMAN_a2r10g10b10 },
+    { "over_n_8888_8888_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_a8r8g8b8 },
+    { "over_n_8888_x888_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_x8r8g8b8 },
+    { "over_n_8888_0565_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_r5g6b5 },
+    { "over_n_8888_1555_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_a1r5g5b5 },
+    { "over_n_8888_4444_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_a4r4g4b4 },
+    { "over_n_8888_2222_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_a2r2g2b2 },
+    { "over_n_8888_2x10_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_x2r10g10b10 },
+    { "over_n_8888_2a10_ca",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER,    PIXMAN_a8r8g8b8, 2, PIXMAN_a2r10g10b10 },
+    { "over_8888_n_8888",      PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       1, PIXMAN_a8r8g8b8 },
+    { "over_8888_n_x888",      PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       1, PIXMAN_x8r8g8b8 },
+    { "over_8888_n_0565",      PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       1, PIXMAN_r5g6b5 },
+    { "over_8888_n_1555",      PIXMAN_a8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       1, PIXMAN_a1r5g5b5 },
+    { "over_x888_n_8888",      PIXMAN_x8r8g8b8,    0, PIXMAN_OP_OVER,    PIXMAN_a8,       1, PIXMAN_a8r8g8b8 },
+    { "outrev_n_8_0565",       PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8,       0, PIXMAN_r5g6b5 },
+    { "outrev_n_8_1555",       PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8,       0, PIXMAN_a1r5g5b5 },
+    { "outrev_n_8_x888",       PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8,       0, PIXMAN_x8r8g8b8 },
+    { "outrev_n_8_8888",       PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8,       0, PIXMAN_a8r8g8b8 },
+    { "outrev_n_8888_0565_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_r5g6b5 },
+    { "outrev_n_8888_1555_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_a1r5g5b5 },
+    { "outrev_n_8888_x888_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_x8r8g8b8 },
+    { "outrev_n_8888_8888_ca", PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_a8r8g8b8 },
+    { "over_reverse_n_8888",   PIXMAN_a8r8g8b8,    1, PIXMAN_OP_OVER_REVERSE, PIXMAN_null, 0, PIXMAN_a8r8g8b8 },
+    { "in_reverse_8888_8888",  PIXMAN_a8r8g8b8,    0, PIXMAN_OP_IN_REVERSE, PIXMAN_null,  0, PIXMAN_a8r8g8b8 },
+    { "pixbuf",                PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8r8g8b8 },
+    { "rpixbuf",               PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8b8g8r8 },
+};
+
+static const test_entry_t special_patterns[] =
+{
+    { "add_n_2x10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "add_n_2a10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "src_n_2x10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x2r10g10b10 },
+    { "src_n_2a10",            PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a2r10g10b10 },
+    { "src_0888_8888_rev",     PIXMAN_b8g8r8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_x8r8g8b8 },
+    { "src_0888_0565_rev",     PIXMAN_b8g8r8,      0, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_r5g6b5 },
+    { "src_n_8",               PIXMAN_a8,          1, PIXMAN_OP_SRC,     PIXMAN_null,     0, PIXMAN_a8 },
+    { "pixbuf",                PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8r8g8b8 },
+    { "rpixbuf",               PIXMAN_x8b8g8r8,    0, PIXMAN_OP_SRC,     PIXMAN_a8b8g8r8, 0, PIXMAN_a8b8g8r8 },
+};
+
+/* Returns the sub-string's end pointer in string. */
+static const char *
+copy_sub_string (char       *buf,
+                 const char *string,
+                 const char *scan_from,
+                 const char *end)
+{
+    const char *delim;
+    size_t n;
+
+    delim = strchr (scan_from, '_');
+    if (!delim)
+        delim = end;
+
+    n = delim - string;
+    strncpy(buf, string, n);
+    buf[n] = '\0';
+
+    return delim;
+}
+
+static pixman_op_t
+parse_longest_operator (char *buf, const char **strp, const char *end)
+{
+    const char *p = *strp;
+    const char *sub_end;
+    const char *best_end = p;
+    pixman_op_t best_op = PIXMAN_OP_NONE;
+    pixman_op_t op;
+
+    while (p < end)
+    {
+        sub_end = copy_sub_string (buf, *strp, p, end);
+        op = operator_from_string (buf);
+        p = sub_end + 1;
+
+        if (op != PIXMAN_OP_NONE)
+        {
+            best_end = p;
+            best_op = op;
+        }
+    }
+
+    *strp = best_end;
+    return best_op;
+}
+
+static pixman_format_code_t
+parse_format (char *buf, const char **p, const char *end)
+{
+    pixman_format_code_t format;
+    const char *delim;
+
+    if (*p >= end)
+        return PIXMAN_null;
+
+    delim = copy_sub_string (buf, *p, *p, end);
+    format = format_from_string (buf);
+
+    if (format != PIXMAN_null)
+        *p = delim + 1;
+
+    return format;
+}
+
+static int
+parse_test_pattern (test_entry_t *test, const char *pattern)
+{
+    const char *p = pattern;
+    const char *end = pattern + strlen (pattern);
+    char buf[1024];
+    pixman_format_code_t format[3];
+    int i;
+
+    if (strlen (pattern) > sizeof (buf) - 1)
+        return -1;
+
+    /* Special cases that the parser cannot produce. */
+    for (i = 0; i < ARRAY_LENGTH (special_patterns); i++)
+    {
+        if (strcmp (pattern, special_patterns[i].testname) == 0)
+        {
+            *test = special_patterns[i];
+            return 0;
+        }
+    }
+
+    test->testname = pattern;
+
+    /* Extract operator, may contain delimiters,
+     * so take the longest string that matches.
+     */
+    test->op = parse_longest_operator (buf, &p, end);
+    if (test->op == PIXMAN_OP_NONE)
+        return -1;
+
+    /* extract up to three pixel formats */
+    format[0] = parse_format (buf, &p, end);
+    format[1] = parse_format (buf, &p, end);
+    format[2] = parse_format (buf, &p, end);
+
+    if (format[0] == PIXMAN_null || format[1] == PIXMAN_null)
+        return -1;
+
+    /* recognize CA flag */
+    test->mask_flags = 0;
+    if (p < end)
+    {
+        if (strcmp (p, "ca") == 0)
+            test->mask_flags |= CA_FLAG;
+        else
+            return -1; /* trailing garbage */
+    }
+
+    test->src_fmt = format[0];
+    if (format[2] == PIXMAN_null)
+    {
+        test->mask_fmt = PIXMAN_null;
+        test->dst_fmt = format[1];
+    }
+    else
+    {
+        test->mask_fmt = format[1];
+        test->dst_fmt = format[2];
+    }
+
+    test->src_flags = 0;
+    if (test->src_fmt == PIXMAN_solid)
+    {
+        test->src_fmt = PIXMAN_a8r8g8b8;
+        test->src_flags |= SOLID_FLAG;
+    }
+
+    if (test->mask_fmt == PIXMAN_solid)
+    {
+        if (test->mask_flags & CA_FLAG)
+            test->mask_fmt = PIXMAN_a8r8g8b8;
+        else
+            test->mask_fmt = PIXMAN_a8;
+
+        test->mask_flags |= SOLID_FLAG;
+    }
+
+    return 0;
+}
+
+static int
+check_int (int got, int expected, const char *name, const char *field)
+{
+    if (got == expected)
+        return 0;
+
+    printf ("%s: %s failure: expected %d, got %d.\n",
+            name, field, expected, got);
+
+    return 1;
+}
+
+static int
+check_format (int got, int expected, const char *name, const char *field)
+{
+    if (got == expected)
+        return 0;
+
+    printf ("%s: %s failure: expected %s (%#x), got %s (%#x).\n",
+            name, field,
+            format_name (expected), expected,
+            format_name (got), got);
+
+    return 1;
+}
+
+static void
+parser_self_test (void)
+{
+    const test_entry_t *ent;
+    test_entry_t test;
+    int fails = 0;
+    int i;
+
+    for (i = 0; i < ARRAY_LENGTH (tests_tbl); i++)
+    {
+        ent = &tests_tbl[i];
+
+        if (parse_test_pattern (&test, ent->testname) < 0)
+        {
+            printf ("parsing failed for '%s'\n", ent->testname);
+            fails++;
+            continue;
+        }
+
+        fails += check_format (test.src_fmt, ent->src_fmt,
+                               ent->testname, "src_fmt");
+        fails += check_format (test.mask_fmt, ent->mask_fmt,
+                               ent->testname, "mask_fmt");
+        fails += check_format (test.dst_fmt, ent->dst_fmt,
+                               ent->testname, "dst_fmt");
+        fails += check_int    (test.src_flags, ent->src_flags,
+                               ent->testname, "src_flags");
+        fails += check_int    (test.mask_flags, ent->mask_flags,
+                               ent->testname, "mask_flags");
+        fails += check_int    (test.op, ent->op, ent->testname, "op");
+    }
+
+    if (fails)
+    {
+        printf ("Parser self-test failed.\n");
+        exit (EXIT_FAILURE);
+    }
+
+    if (!use_csv_output)
+        printf ("Parser self-test complete.\n");
+}
+
+static void
+print_test_details (const test_entry_t *test)
+{
+    printf ("%s: %s, src %s%s, mask %s%s%s, dst %s\n",
+            test->testname,
+            operator_name (test->op),
+            format_name (test->src_fmt),
+            test->src_flags & SOLID_FLAG ? " solid" : "",
+            format_name (test->mask_fmt),
+            test->mask_flags & SOLID_FLAG ? " solid" : "",
+            test->mask_flags & CA_FLAG ? " CA" : "",
+            format_name (test->dst_fmt));
+}
+
+static void
+run_one_test (const char *pattern, double bandwidth_, pixman_bool_t prdetails)
+{
+    test_entry_t test;
+
+    if (parse_test_pattern (&test, pattern) < 0)
+    {
+        printf ("Error: Could not parse the test pattern '%s'.\n", pattern);
+        return;
+    }
+
+    if (prdetails)
+    {
+        print_test_details (&test);
+        printf ("---\n");
+    }
+
+    bench_composite (pattern,
+                     test.src_fmt,
+                     test.src_flags,
+                     test.op,
+                     test.mask_fmt,
+                     test.mask_flags,
+                     test.dst_fmt,
+                     bandwidth_ / 8);
+}
+
+static void
+run_default_tests (double bandwidth_)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_LENGTH (tests_tbl); i++)
+        run_one_test (tests_tbl[i].testname, bandwidth_, FALSE);
+}
+
+static void
+print_explanation (void)
+{
+    printf ("Benchmark for a set of most commonly used functions\n");
+    printf ("---\n");
+    printf ("All results are presented in millions of pixels per second\n");
+    printf ("L1  - small Xx1 rectangle (fitting L1 cache), always blitted at the same\n");
+    printf ("      memory location with small drift in horizontal direction\n");
+    printf ("L2  - small XxY rectangle (fitting L2 cache), always blitted at the same\n");
+    printf ("      memory location with small drift in horizontal direction\n");
+    printf ("M   - large %dx%d rectangle, always blitted at the same\n",
+            WIDTH - 64, HEIGHT);
+    printf ("      memory location with small drift in horizontal direction\n");
+    printf ("HT  - random rectangles with %dx%d average size are copied from\n",
+            TILEWIDTH, TILEWIDTH);
+    printf ("      one %dx%d buffer to another, traversing from left to right\n",
+            WIDTH, HEIGHT);
+    printf ("      and from top to bottom\n");
+    printf ("VT  - random rectangles with %dx%d average size are copied from\n",
+            TILEWIDTH, TILEWIDTH);
+    printf ("      one %dx%d buffer to another, traversing from top to bottom\n",
+            WIDTH, HEIGHT);
+    printf ("      and from left to right\n");
+    printf ("R   - random rectangles with %dx%d average size are copied from\n",
+            TILEWIDTH, TILEWIDTH);
+    printf ("      random locations of one %dx%d buffer to another\n",
+            WIDTH, HEIGHT);
+    printf ("RT  - as R, but %dx%d average sized rectangles are copied\n",
+            TINYWIDTH, TINYWIDTH);
+    printf ("---\n");
+}
+
+static void
+print_speed_scaling (double bw)
+{
+    printf ("reference memcpy speed = %.1fMB/s (%.1fMP/s for 32bpp fills)\n",
+            bw / 1000000., bw / 4000000);
+
+    if (use_scaling)
+    {
+	printf ("---\n");
+	if (filter == PIXMAN_FILTER_BILINEAR)
+	    printf ("BILINEAR scaling\n");
+	else if (filter == PIXMAN_FILTER_NEAREST)
+	    printf ("NEAREST scaling\n");
+	else
+	    printf ("UNKNOWN scaling\n");
+    }
+
+    printf ("---\n");
+}
+
+static void
+usage (const char *progname)
+{
+    printf ("Usage: %s [-b] [-n] [-c] [-m M] pattern\n", progname);
+    printf ("  -n : benchmark nearest scaling\n");
+    printf ("  -b : benchmark bilinear scaling\n");
+    printf ("  -c : print output as CSV data\n");
+    printf ("  -m M : set reference memcpy speed to M MB/s instead of measuring it\n");
+}
+
+int
+main (int argc, char *argv[])
+{
+    int i;
+    const char *pattern = NULL;
+
+    for (i = 1; i < argc; i++)
+    {
+	if (argv[i][0] == '-')
+	{
+	    if (strchr (argv[i] + 1, 'b'))
+	    {
+		use_scaling = TRUE;
+		filter = PIXMAN_FILTER_BILINEAR;
+	    }
+	    else if (strchr (argv[i] + 1, 'n'))
+	    {
+		use_scaling = TRUE;
+		filter = PIXMAN_FILTER_NEAREST;
+	    }
+
+	    if (strchr (argv[i] + 1, 'c'))
+		use_csv_output = TRUE;
+
+	    if (strcmp (argv[i], "-m") == 0 && i + 1 < argc)
+		bandwidth = atof (argv[++i]) * 1e6;
+	}
+	else
+	{
+	    if (pattern)
+	    {
+		pattern = NULL;
+		printf ("Error: extra arguments given.\n");
+		break;
+	    }
+	    pattern = argv[i];
+	}
+    }
+
+    if (!pattern)
+    {
+	usage (argv[0]);
+	return 1;
+    }
+
+    parser_self_test ();
+
+    src = aligned_malloc (4096, BUFSIZE * 3);
+    memset (src, 0xCC, BUFSIZE * 3);
+    dst = src + (BUFSIZE / 4);
+    mask = dst + (BUFSIZE / 4);
+
+    if (!use_csv_output)
+        print_explanation ();
+
+    if (bandwidth < 1.0)
+        bandwidth = bench_memcpy ();
+    if (!use_csv_output)
+        print_speed_scaling (bandwidth);
+
+    if (strcmp (pattern, "all") == 0)
+        run_default_tests (bandwidth);
+    else
+        run_one_test (pattern, bandwidth, !use_csv_output);
+
+    free (src);
+    return 0;
+}