tests: Exercise stippled fills

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

1 files changed, 239 insertions, 0 deletions

diff --git a/test/basic-stippledrect.c b/test/basic-stippledrect.c
new file mode 100644
index 00000000..8a89efdd
--- /dev/null
+++ b/test/basic-stippledrect.c
@@ -0,0 +1,239 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "test.h"
+
+static unsigned char bitmap4x4[] = {
+	   0x03, 0x06, 0x0c, 0x09
+};
+
+static unsigned char bitmap8x8[3][8] = {
+	{ 0xcc, 0x66, 0x33, 0x99, 0xcc, 0x66, 0x33, 0x99 },
+	{ 0x00, 0xfe, 0x92, 0x92, 0xfe, 0x92, 0x92, 0xfe },
+	{ 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa },
+};
+
+static void fill_rect(struct test_target *t, uint8_t alu,
+		      XRectangle *clip, int nclip,
+		      uint8_t stipple, uint8_t opaque, int tx, int ty,
+		      int x, int y, int w, int h,
+		      uint32_t fg, uint32_t bg)
+{
+	Display *dpy = t->dpy->dpy;
+	XGCValues val;
+	GC gc;
+
+	val.function = alu;
+	val.foreground = fg;
+	val.background = bg;
+	val.fill_style = opaque ? FillOpaqueStippled : FillStippled;
+	val.ts_x_origin = tx;
+	val.ts_y_origin = ty;
+	if (stipple == 0) {
+		val.stipple = XCreateBitmapFromData(dpy, t->draw, (char *)bitmap4x4, 4, 4);
+	} else {
+		char *b = (char *)bitmap8x8[stipple-1];
+		val.stipple = XCreateBitmapFromData(dpy, t->draw, b, 8, 8);
+	}
+
+	gc = XCreateGC(dpy, t->draw, GCFillStyle | GCTileStipXOrigin | GCTileStipYOrigin | GCStipple | GCForeground | GCBackground | GCFunction, &val);
+	if (nclip)
+		XSetClipRectangles(dpy, gc, 0, 0, clip, nclip, Unsorted);
+	XFillRectangle(dpy, t->draw, gc, x, y, w, h);
+	XFreeGC(dpy, gc);
+	XFreePixmap(dpy, val.stipple);
+}
+
+static void clear(struct test_target *tt)
+{
+	XRenderColor render_color = {0};
+	XRenderFillRectangle(tt->dpy->dpy, PictOpClear, tt->picture, &render_color,
+			     0, 0, tt->width, tt->height);
+}
+
+static void unclipped_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing unclipped stippled fills (%s): ", test_target_name(target));
+	fflush(stdout);
+
+	test_target_create_render(&t->real, target, &real);
+	clear(&real);
+
+	test_target_create_render(&t->ref, target, &ref);
+	clear(&ref);
+
+	for (s = 0; s < sets; s++) {
+		for (r = 0; r < reps; r++) {
+			int x = rand() % real.width;
+			int y = rand() % real.height;
+			int w = rand() % (real.width - x);
+			int h = rand() % (real.height - y);
+			int tx = rand() % (2*real.width) - real.width;
+			int ty = rand() % (2*real.height) - real.height;
+			uint8_t stipple = rand() % 4;
+			uint8_t opaque = rand() % 1;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, NULL, 0,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, NULL, 0,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+		}
+
+		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 simple_clip_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	int r, s;
+
+	printf("Testing simple clipped stippled fills (%s): ", test_target_name(target));
+	fflush(stdout);
+
+	test_target_create_render(&t->real, target, &real);
+	clear(&real);
+
+	test_target_create_render(&t->ref, target, &ref);
+	clear(&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);
+			int tx = rand() % (2*real.width) - real.width;
+			int ty = rand() % (2*real.height) - real.height;
+			uint8_t stipple = rand() % 4;
+			uint8_t opaque = rand() % 1;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, NULL, 0,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, NULL, 0,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+		}
+
+		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 complex_clip_tests(struct test *t, int reps, int sets, enum target target)
+{
+	struct test_target real, ref;
+	XRectangle *clip;
+	int nclip, r, s;
+
+	printf("Testing complex clipped stippled fills (%s): ", test_target_name(target));
+	fflush(stdout);
+
+	test_target_create_render(&t->real, target, &real);
+	clear(&real);
+
+	test_target_create_render(&t->ref, target, &ref);
+	clear(&ref);
+
+	for (s = 0; s < sets; s++) {
+		nclip = (rand() % 16) + 2;
+		clip = malloc(sizeof(XRectangle)*nclip);
+		for (r = 0; r < nclip; r++) {
+			clip[r].x = rand() % real.width;
+			clip[r].y = rand() % real.height;
+			clip[r].width = rand() % (real.width - clip[r].x);
+			clip[r].height = rand() % (real.height - clip[r].y);
+		}
+
+		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);
+			int tx = rand() % (2*real.width) - real.width;
+			int ty = rand() % (2*real.height) - real.height;
+			uint8_t stipple = rand() % 4;
+			uint8_t opaque = rand() % 1;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, clip, nclip,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, clip, nclip,
+				  stipple, opaque, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+		}
+
+		test_compare(t,
+			     real.draw, real.format,
+			     ref.draw, ref.format,
+			     0, 0, real.width, real.height,
+			     "");
+
+		free(clip);
+	}
+
+	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 = REPS(i), sets = SETS(i);
+		enum target t;
+
+		for (t = TARGET_FIRST; t <= TARGET_LAST; t++) {
+			unclipped_tests(&test, reps, sets, t);
+			simple_clip_tests(&test, reps, sets, t);
+			complex_clip_tests(&test, reps, sets, t);
+		}
+	}
+
+	return 0;
+}