tests: Add render-composite-solid-mask

Another reference test to exercise simple composite pathways clearly.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

test/.gitignore

@@ -9,6 +9,7 @@ render-trapezoid
 render-trapezoid-image
 render-fill-copy
 render-composite-solid
+render-composite-solid-mask
 render-copyarea
 render-copyarea-size
 render-copy-alphaless

test/Makefile.am

@@ -12,6 +12,7 @@ stress_TESTS = \
 	render-trapezoid-image \
 	render-fill-copy \
 	render-composite-solid \
+	render-composite-solid-mask \
 	render-copyarea \
 	render-copyarea-size \
 	render-copy-alphaless \

test/render-composite-solid-mask.c

@@ -0,0 +1,122 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <X11/Xutil.h> /* for XDestroyImage */
+#include <pixman.h> /* for pixman blt functions */
+
+#include "test.h"
+
+static const uint8_t ops[] = {
+	PictOpClear,
+	PictOpSrc,
+	PictOpDst,
+};
+
+static void fill_rect(struct test_display *dpy, Picture p, uint8_t op,
+		      int x, int y, int w, int h,
+		      uint8_t s_red, uint8_t s_green, uint8_t s_blue, uint8_t s_alpha,
+		      uint8_t m_red, uint8_t m_green, uint8_t m_blue, uint8_t m_alpha)
+{
+	XRenderColor render_color;
+	Picture source, mask;
+
+	render_color.red   = s_red * s_alpha;
+	render_color.green = s_green * s_alpha;
+	render_color.blue  = s_blue * s_alpha;
+	render_color.alpha = s_alpha << 8 | s_alpha;
+	source = XRenderCreateSolidFill(dpy->dpy, &render_color);
+
+	render_color.red   = m_red * m_alpha;
+	render_color.green = m_green * m_alpha;
+	render_color.blue  = m_blue * m_alpha;
+	render_color.alpha = m_alpha << 8 | m_alpha;
+	mask = XRenderCreateSolidFill(dpy->dpy, &render_color);
+
+	XRenderComposite(dpy->dpy, op, source, mask, p, 0, 0, 0, 0, x, y, w,h);
+
+	XRenderFreePicture(dpy->dpy, mask);
+	XRenderFreePicture(dpy->dpy, source);
+}
+
+static void clear(struct test_display *dpy, struct test_target *tt)
+{
+	XRenderColor render_color = {0};
+	XRenderFillRectangle(dpy->dpy, PictOpClear, tt->picture, &render_color,
+			     0, 0, tt->width, tt->height);
+}
+
+static void ref_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing area fills (%s): ", test_target_name(target));
+	fflush(stdout);
+
+	test_target_create_render(&t->real, target, &real);
+	clear(&t->real, &real);
+
+	test_target_create_render(&t->ref, target, &ref);
+	clear(&t->ref, &ref);
+
+	for (s = 0; s < sets; s++) {
+		for (r = 0; r < reps; r++) {
+			int x = rand() % (2*real.width) - real.width;
+			int y = rand() % (2*real.height) - real.height;
+			int w = rand() % real.width;
+			int h = rand() % real.height;
+			int op = ops[rand() % sizeof(ops)];
+			int s_red = rand() % 0xff;
+			int s_green = rand() % 0xff;
+			int s_blue = rand() % 0xff;
+			int s_alpha = rand() % 0xff;
+			int m_red = rand() % 0xff;
+			int m_green = rand() % 0xff;
+			int m_blue = rand() % 0xff;
+			int m_alpha = rand() % 0xff;
+
+			fill_rect(&t->real, real.picture,
+				  op, x, y, w, h,
+				  s_red, s_green, s_blue, s_alpha,
+				  m_red, m_green, m_blue, m_alpha);
+			fill_rect(&t->ref, ref.picture,
+				  op, x, y, w, h,
+				  s_red, s_green, s_blue, s_alpha,
+				  m_red, m_green, m_blue, m_alpha);
+		}
+
+		test_compare(t,
+			     real.draw, real.format,
+			     ref.draw, ref.format,
+			     0, 0, real.width, real.height,
+			     "");
+	}
+
+	printf("passed [%d iterations x %d]\n", reps, sets);
+
+	test_target_destroy_render(&t->real, &real);
+	test_target_destroy_render(&t->ref, &ref);
+}
+
+int main(int argc, char **argv)
+{
+	struct test test;
+	int i;
+
+	test_init(&test, argc, argv);
+
+	for (i = 0; i <= DEFAULT_ITERATIONS; i++) {
+		int reps = 1 << i;
+		int sets = 1 << (12 - i);
+		enum target t;
+
+		if (sets < 2)
+			sets = 2;
+
+		for (t = TARGET_FIRST; t <= TARGET_LAST; t++)
+			ref_tests(&test, reps, sets, t);
+	}
+
+	return 0;
+}