Add a trivial solid-colored text drawing benchmark. "My first cairo program".HEADmaster

3 files changed, 88 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 0c0b484..6b07a30 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*-out.png
 add
 add-xlib
 curves
@@ -18,6 +19,8 @@ over-clipped-xlib
 over-xlib
 pdf2png.c
 remenic-gradient
+solidtext
+solidtext-xlib
 textpath
 textpath-xlib
 texturedtext
diff --git a/Makefile b/Makefile
index 8782954..c9b2741 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,8 @@ BENCHMARKS=				\
 	gradients-linear-xlib		\
 	multiple-clip-rectangles	\
 	multiple-clip-rectangles-xlib	\
+	solidtext			\
+	solidtext-xlib			\
 	textpath			\
 	textpath-xlib			\
 	texturedtext			\
diff --git a/solidtext.c b/solidtext.c
new file mode 100644
index 0000000..b3b1cab
--- /dev/null
+++ b/solidtext.c
@@ -0,0 +1,83 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/time.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <cairo.h>
+#include "tools.h"
+
+#define NUM_RUNS 16
+#define WIDTH 512
+#define HEIGHT 512
+
+#define rdtscll(val) __asm__ __volatile__("rdtsc" : "=A" (val))
+
+const char *text[] = {
+    "this is just a bunch of text",
+    "the particular words don't matter",
+    "but maybe the performance does"
+};
+
+static int test (cairo_surface_t *surface)
+{
+    cairo_pattern_t *pattern;
+    uint64_t before = 0;
+    uint64_t after = 0;
+    cairo_t *cr;
+    int i;
+
+    cr = cairo_create (surface);
+
+    cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0);
+    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+    cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
+    cairo_fill (cr);
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+
+    cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
+			    CAIRO_FONT_WEIGHT_BOLD);
+    cairo_set_font_size (cr, 14.0);
+
+    rdtscll (before);
+    for (i = 0; i < sizeof (text) * 10 / sizeof (const char *); i++) {
+	cairo_move_to (cr, 10, 10.5 + (i * 16));
+	if ((i & 1) == 0)
+	    pattern = cairo_pattern_create_rgb (1.0, 0.0, 0.0);
+	else
+	    pattern = cairo_pattern_create_rgb (0.0, 1.0, 0.0);
+	cairo_set_source (cr, pattern);
+	cairo_pattern_destroy (pattern);
+	cairo_show_text (cr, text[i % 3]);
+    }
+    rdtscll (after);
+
+    cairo_destroy (cr);
+
+    return (int) (after - before);
+}
+
+int main( int argc, char **argv )
+{
+    cairo_surface_t *surface;
+    int j;
+
+    surface = output_create_surface (argv [0], WIDTH, HEIGHT);
+
+    fprintf (stderr, "Testing solidtext...\n");
+    test (surface);
+    cairo_surface_write_to_png (surface, "solidtext-out.png");
+
+    for (j = 0; j < NUM_RUNS; j++) {
+	int cur = test (surface);
+	fprintf (stderr, "\t%d: %d (%.2f ms)\n", j, cur,
+		 get_milliseconds (cur));
+    }
+
+    cairo_surface_destroy( surface );
+    output_cleanup ();
+    return 0;
+}
+