[PATCH libdrm 06/10] tests: kms: Implement universal planes test

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From: Thierry Reding <treding@xxxxxxxxxx>

This small program allows universal planes to be tested. Currently this
isn't very flexible because it allows only the first plane of a given
type to be tested on the first CRTC. However it should be simple to
extend this with some additional command-line arguments.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
 tests/kms/Makefile.am            |   9 +-
 tests/kms/kms-universal-planes.c | 358 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 365 insertions(+), 2 deletions(-)
 create mode 100644 tests/kms/kms-universal-planes.c

diff --git a/tests/kms/Makefile.am b/tests/kms/Makefile.am
index f28b729c068c..6645af7acae7 100644
--- a/tests/kms/Makefile.am
+++ b/tests/kms/Makefile.am
@@ -21,11 +21,16 @@ libkms_test_la_LIBADD = \
 
 if HAVE_INSTALL_TESTS
 bin_PROGRAMS = \
-	kms-steal-crtc
+	kms-steal-crtc \
+	kms-universal-planes
 else
 noinst_PROGRAMS = \
-	kms-steal-crtc
+	kms-steal-crtc \
+	kms-universal-planes
 endif
 
 kms_steal_crtc_SOURCES = kms-steal-crtc.c
 kms_steal_crtc_LDADD = libkms-test.la ../util/libutil.la $(CAIRO_LIBS)
+
+kms_universal_planes_SOURCES = kms-universal-planes.c
+kms_universal_planes_LDADD = libkms-test.la $(CAIRO_LIBS)
diff --git a/tests/kms/kms-universal-planes.c b/tests/kms/kms-universal-planes.c
new file mode 100644
index 000000000000..9151231ff860
--- /dev/null
+++ b/tests/kms/kms-universal-planes.c
@@ -0,0 +1,358 @@
+/*
+ * Copyright © 2014 NVIDIA Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <drm_fourcc.h>
+#include "xf86drm.h"
+
+#include "util/common.h"
+#include "libkms-test.h"
+
+static const uint32_t formats[] = {
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_RGBA8888,
+};
+
+static uint32_t choose_format(struct kms_plane *plane)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(formats); i++)
+		if (kms_plane_supports_format(plane, formats[i]))
+			return formats[i];
+
+	return 0;
+}
+
+static void prepare_framebuffer(struct kms_framebuffer *fb, bool invert)
+{
+	const unsigned int block_size = 16;
+	uint32_t colors[2];
+	unsigned int i, j;
+	uint32_t *buf;
+	void *ptr;
+	int err;
+
+	switch (fb->format) {
+	case DRM_FORMAT_XRGB8888:
+		printf("using XRGB8888 format\n");
+		           /* XXRRGGBB */
+		colors[0] = 0xffff0000;
+		colors[1] = 0xff0000ff;
+		break;
+
+	case DRM_FORMAT_XBGR8888:
+		printf("using XBGR8888 format\n");
+		           /* XXBBGGRR */
+		colors[0] = 0xff0000ff;
+		colors[1] = 0xffff0000;
+		break;
+
+	case DRM_FORMAT_RGBA8888:
+		printf("using RGBA8888 format\n");
+		           /* RRGGBBAA */
+		colors[0] = 0xff0000ff;
+		colors[1] = 0x0000ffff;
+		break;
+
+	default:
+		colors[0] = 0xffffffff;
+		colors[1] = 0xffffffff;
+		break;
+	}
+
+	err = kms_framebuffer_map(fb, &ptr);
+	if (err < 0) {
+		fprintf(stderr, "kms_framebuffer_map() failed: %s\n",
+			strerror(-err));
+		return;
+	}
+
+	buf = ptr;
+
+	for (j = 0; j < fb->height; j++) {
+		for (i = 0; i < fb->width; i++) {
+			unsigned int color = (j / block_size) ^
+					     (i / block_size);
+
+			if (invert)
+				color ^= color;
+
+			*buf++ = colors[color & 1];
+		}
+	}
+
+	kms_framebuffer_unmap(fb);
+}
+
+int main(int argc, char *argv[])
+{
+	static const char opts[] = "chopv";
+	static struct option options[] = {
+		{ "cursor", 0, 0, 'c' },
+		{ "help", 0, 0, 'h' },
+		{ "overlay", 0, 0, 'o' },
+		{ "primary", 0, 0, 'p' },
+		{ "verbose", 0, 0, 'v' },
+		{ 0, 0, 0, 0 },
+	};
+	struct kms_framebuffer *cursor = NULL;
+	struct kms_framebuffer *root = NULL;
+	struct kms_framebuffer *fb = NULL;
+	struct kms_device *device;
+	bool use_overlay = false;
+	bool use_primary = false;
+	struct kms_plane *plane;
+	bool use_cursor = false;
+	bool verbose = false;
+	unsigned int i;
+	int opt, idx;
+	int fd, err;
+
+	while ((opt = getopt_long(argc, argv, opts, options, &idx)) != -1) {
+		switch (opt) {
+		case 'c':
+			use_cursor = true;
+			break;
+
+		case 'h':
+			break;
+
+		case 'o':
+			use_overlay = true;
+			break;
+
+		case 'p':
+			use_primary = true;
+			break;
+
+		case 'v':
+			verbose = true;
+			break;
+
+		default:
+			printf("unknown option \"%c\"\n", opt);
+			return 1;
+		}
+	}
+
+	if (optind >= argc) {
+		fprintf(stderr, "usage: %s [options] DEVICE\n", argv[0]);
+		return 1;
+	}
+
+	fd = open(argv[optind], O_RDWR);
+	if (fd < 0) {
+		fprintf(stderr, "open() failed: %m\n");
+		return 1;
+	}
+
+	err = drmSetClientCap(fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+	if (err < 0) {
+		fprintf(stderr, "drmSetClientCap() failed: %d\n", err);
+		return 1;
+	}
+
+	device = kms_device_open(fd);
+	if (!device)
+		return 1;
+
+	if (verbose) {
+		printf("Screens: %u\n", device->num_screens);
+
+		for (i = 0; i < device->num_screens; i++) {
+			struct kms_screen *screen = device->screens[i];
+			const char *status = "disconnected";
+
+			if (screen->connected)
+				status = "connected";
+
+			printf("  %u: %x\n", i, screen->id);
+			printf("    Status: %s\n", status);
+			printf("    Name: %s\n", screen->name);
+			printf("    Resolution: %ux%u\n", screen->width,
+			       screen->height);
+		}
+
+		printf("Planes: %u\n", device->num_planes);
+
+		for (i = 0; i < device->num_planes; i++) {
+			struct kms_plane *plane = device->planes[i];
+			const char *type = NULL;
+
+			switch (plane->type) {
+			case DRM_PLANE_TYPE_OVERLAY:
+				type = "overlay";
+				break;
+
+			case DRM_PLANE_TYPE_PRIMARY:
+				type = "primary";
+				break;
+
+			case DRM_PLANE_TYPE_CURSOR:
+				type = "cursor";
+				break;
+			}
+
+			printf("  %u: %p\n", i, plane);
+			printf("    ID: %x\n", plane->id);
+			printf("    CRTC: %x\n", plane->crtc->id);
+			printf("    Type: %x (%s)\n", plane->type, type);
+		}
+	}
+
+	if (use_cursor) {
+		unsigned int x, y;
+		uint32_t format;
+
+		plane = kms_device_find_plane_by_type(device,
+						      DRM_PLANE_TYPE_CURSOR,
+						      0);
+		if (!plane) {
+			fprintf(stderr, "no cursor plane found\n");
+			return 1;
+		}
+
+		format = choose_format(plane);
+		if (!format) {
+			fprintf(stderr, "no matching format found\n");
+			return 1;
+		}
+
+		cursor = kms_framebuffer_create(device, 32, 32, format);
+		if (!cursor) {
+			fprintf(stderr, "failed to create cursor buffer\n");
+			return 1;
+		}
+
+		prepare_framebuffer(cursor, false);
+
+		x = (device->screens[0]->width - cursor->width) / 2;
+		y = (device->screens[0]->height - cursor->height) / 2;
+
+		kms_plane_set(plane, cursor, x, y);
+	}
+
+	if (use_overlay) {
+		uint32_t format;
+
+		plane = kms_device_find_plane_by_type(device,
+						      DRM_PLANE_TYPE_OVERLAY,
+						      0);
+		if (!plane) {
+			fprintf(stderr, "no overlay plane found\n");
+			return 1;
+		}
+
+		format = choose_format(plane);
+		if (!format) {
+			fprintf(stderr, "no matching format found\n");
+			return 1;
+		}
+
+		fb = kms_framebuffer_create(device, 320, 240, format);
+		if (!fb)
+			return 1;
+
+		prepare_framebuffer(fb, false);
+
+		kms_plane_set(plane, fb, 0, 0);
+	}
+
+	if (use_primary) {
+		unsigned int x, y;
+		uint32_t format;
+
+		plane = kms_device_find_plane_by_type(device,
+						      DRM_PLANE_TYPE_PRIMARY,
+						      0);
+		if (!plane) {
+			fprintf(stderr, "no primary plane found\n");
+			return 1;
+		}
+
+		format = choose_format(plane);
+		if (!format) {
+			fprintf(stderr, "no matching format found\n");
+			return 1;
+		}
+
+		root = kms_framebuffer_create(device, 640, 480, format);
+		if (!root)
+			return 1;
+
+		prepare_framebuffer(root, true);
+
+		x = (device->screens[0]->width - root->width) / 2;
+		y = (device->screens[0]->height - root->height) / 2;
+
+		kms_plane_set(plane, root, x, y);
+	}
+
+	while (1) {
+		struct timeval timeout = { 1, 0 };
+		fd_set fds;
+
+		FD_ZERO(&fds);
+		FD_SET(STDIN_FILENO, &fds);
+
+		err = select(STDIN_FILENO + 1, &fds, NULL, NULL, &timeout);
+		if (err < 0) {
+			fprintf(stderr, "select() failed: %m\n");
+			break;
+		}
+
+		/* timeout */
+		if (err == 0)
+			continue;
+
+		if (FD_ISSET(STDIN_FILENO, &fds))
+			break;
+	}
+
+	if (cursor)
+		kms_framebuffer_free(cursor);
+
+	if (root)
+		kms_framebuffer_free(root);
+
+	if (fb)
+		kms_framebuffer_free(fb);
+
+	kms_device_close(device);
+	close(fd);
+
+	return 0;
+}
-- 
2.5.0

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