tests: Exercise tiled fills

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

test/.gitignore

@@ -4,6 +4,7 @@ basic-fillrect
 basic-putimage
 basic-lines
 basic-stress
+basic-tiledrect
 render-fill
 render-trapezoid
 render-trapezoid-image

test/Makefile.am

@@ -1,5 +1,6 @@
 stress_TESTS = \
 	basic-fillrect \
+	basic-tiledrect \
 	basic-rectangle \
 	basic-string \
 	basic-copyarea \

test/basic-tiledrect.c

@@ -0,0 +1,236 @@
+#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 tile, 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.fill_style = FillTiled;
+	val.ts_x_origin = tx;
+	val.ts_y_origin = ty;
+	if (tile == 0) {
+		val.tile = XCreatePixmapFromBitmapData(dpy, t->draw, (char *)bitmap4x4, 4, 4,
+						       fg, bg, t->depth);
+	} else {
+		char *b = (char *)bitmap8x8[tile-1];
+		val.tile = XCreatePixmapFromBitmapData(dpy, t->draw, b, 8, 8,
+						       fg, bg, t->depth);
+	}
+
+	gc = XCreateGC(dpy, t->draw, GCFillStyle | GCTileStipXOrigin | GCTileStipYOrigin | GCTile | 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.tile);
+}
+
+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 tiled 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 tile = rand() % 4;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, NULL, 0,
+				  tile, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, NULL, 0,
+				  tile, 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 tiled 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 tile = rand() % 4;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, NULL, 0,
+				  tile, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, NULL, 0,
+				  tile, 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 tiled 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 tile = rand() % 4;
+			uint8_t alu = rand() % (GXset + 1);
+			uint32_t fg = rand();
+			uint32_t bg = rand();
+
+			fill_rect(&real, alu, clip, nclip,
+				  tile, tx, ty,
+				  x, y, w, h,
+				  fg, bg);
+			fill_rect(&ref, alu, clip, nclip,
+				  tile, 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;
+}

test/test.h

@@ -31,7 +31,7 @@ struct test {
 		Window root;
 		XShmSegmentInfo shm;
 		int max_shm_size;
-		int width, height;
+		int width, height, depth;
 		XRenderPictFormat *format;
 	} real, ref;
 };
@@ -82,7 +82,7 @@ struct test_target {
 	GC gc;
 	XRenderPictFormat *format;
 	Picture picture;
-	int width, height;
+	int width, height, depth;
 	enum target target;
 };
 

test/test_display.c

@@ -16,12 +16,12 @@ static Window get_root(struct test_display *t)
 	 * can guarantee we do not get clipped by children.
 	 */
 	attr.override_redirect = 1;
-	w= XCreateWindow(t->dpy, DefaultRootWindow(t->dpy),
-			 0, 0, t->width, t->height, 0,
-			 DefaultDepth(t->dpy, DefaultScreen(t->dpy)),
-			 InputOutput,
-			 DefaultVisual(t->dpy, DefaultScreen(t->dpy)),
-			 CWOverrideRedirect, &attr);
+	w = XCreateWindow(t->dpy, DefaultRootWindow(t->dpy),
+			  0, 0, t->width, t->height, 0,
+			  DefaultDepth(t->dpy, DefaultScreen(t->dpy)),
+			  InputOutput,
+			  DefaultVisual(t->dpy, DefaultScreen(t->dpy)),
+			  CWOverrideRedirect, &attr);
 	XMapWindow(t->dpy, w);
 
 	return w;
@@ -125,6 +125,7 @@ static void default_setup(struct test_display *dpy)
 		XRenderFindVisualFormat(dpy->dpy,
 					DefaultVisual(dpy->dpy,
 						      DefaultScreen(dpy->dpy)));
+	dpy->depth = DefaultDepth(dpy->dpy, DefaultScreen(dpy->dpy));
 }
 
 static void test_get_displays(int argc, char **argv,
@@ -136,8 +137,7 @@ static void test_get_displays(int argc, char **argv,
 	shm_setup(real);
 	real->root = get_root(real);
 
-	ref->dpy = ref_display(real->width, real->height,
-			       DefaultDepth(real->dpy, DefaultScreen(real->dpy)));
+	ref->dpy = ref_display(real->width, real->height, real->depth);
 	default_setup(ref);
 	shm_setup(ref);
 	ref->root = get_root(ref);

test/test_render.c

@@ -31,6 +31,7 @@ void test_target_create_render(struct test_display *dpy,
 	tt->format = dpy->format;
 	tt->width = dpy->width;
 	tt->height = dpy->height;
+	tt->depth = dpy->depth;
 
 	switch (target) {
 	case ROOT:
@@ -56,6 +57,7 @@ void test_target_create_render(struct test_display *dpy,
 		tt->draw = XCreatePixmap(dpy->dpy, tt->draw,
 					 dpy->width, dpy->height,
 					 tt->format->depth);
+		tt->depth = 32;
 		break;
 	}