test: Exercise basic rectangle drawing code

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

2 files changed, 224 insertions, 0 deletions

diff --git a/test/Makefile.am b/test/Makefile.am
index a14396e5..59fae6be 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,5 +1,6 @@
 stress_TESTS = \
 	basic-fillrect \
+	basic-rectangle \
 	basic-copyarea \
 	basic-copyarea-size \
 	basic-putimage \
diff --git a/test/basic-rectangle.c b/test/basic-rectangle.c
new file mode 100644
index 00000000..8f78bba2
--- /dev/null
+++ b/test/basic-rectangle.c
@@ -0,0 +1,223 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <X11/Xutil.h> /* for XDestroyImage */
+
+#include "test.h"
+
+static void draw_rect(struct test_display *t, Drawable d, uint8_t alu,
+		      int x, int y, int w, int h, uint32_t fg, int lw)
+{
+	XGCValues val;
+	GC gc;
+
+	val.function = alu;
+	val.foreground = fg;
+	val.line_width = lw;
+
+	gc = XCreateGC(t->dpy, d, GCForeground | GCFunction | GCLineWidth, &val);
+	XDrawRectangle(t->dpy, d, gc, x, y, w, h);
+	XFreeGC(t->dpy, gc);
+}
+
+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 zrect_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing empty rects (%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;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t lw = rand() % 4;
+
+			draw_rect(&t->real, real.draw, alu,
+				  x, y, 0, 0, fg, lw);
+			draw_rect(&t->ref, ref.draw, alu,
+				  x, y, 0, 0, fg, lw);
+		}
+
+		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);
+}
+
+static void hrect_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing horizontal rects (%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() % (2*real.width);
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t lw = rand() % 4;
+
+			draw_rect(&t->real, real.draw, alu,
+				  x, y, w, 0, fg, lw);
+			draw_rect(&t->ref, ref.draw, alu,
+				  x, y, w, 0, fg, lw);
+		}
+
+		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);
+}
+
+static void vrect_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing vertical rects (%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 h = rand() % (2*real.width);
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t lw = rand() % 4;
+
+			draw_rect(&t->real, real.draw, alu,
+				  x, y, 0, h, fg, lw);
+			draw_rect(&t->ref, ref.draw, alu,
+				  x, y, 0, h, fg, lw);
+		}
+
+		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);
+}
+
+static void rect_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing general (%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() % (2*real.width);
+			int h = rand() % (2*real.height);
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t lw = rand() % 4;
+
+			draw_rect(&t->real, real.draw, alu,
+				  x, y, w, h, fg, lw);
+			draw_rect(&t->ref, ref.draw, alu,
+				  x, y, w, h, fg, lw);
+		}
+
+		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++) {
+			zrect_tests(&test, reps, sets, t);
+			hrect_tests(&test, reps, sets, t);
+			vrect_tests(&test, reps, sets, t);
+			rect_tests(&test, reps, sets, t);
+		}
+	}
+
+	return 0;
+}