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diff --git a/tests/kms/libkms-test.h b/tests/kms/libkms-test.h
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+++ b/tests/kms/libkms-test.h
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+/*
+ * 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.
+ */
+
+#ifndef LIBKMS_TEST_H
+#define LIBKMS_TEST_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <xf86drmMode.h>
+
+struct kms_device {
+	int fd;
+
+	struct kms_screen **screens;
+	unsigned int num_screens;
+
+	struct kms_crtc **crtcs;
+	unsigned int num_crtcs;
+
+	struct kms_plane **planes;
+	unsigned int num_planes;
+};
+
+struct kms_device *kms_device_open(int fd);
+void kms_device_close(struct kms_device *device);
+
+struct kms_plane *kms_device_find_plane_by_type(struct kms_device *device,
+						uint32_t type,
+						unsigned int index);
+
+struct kms_crtc {
+	struct kms_device *device;
+	uint32_t id;
+};
+
+struct kms_crtc *kms_crtc_create(struct kms_device *device, uint32_t id);
+void kms_crtc_free(struct kms_crtc *crtc);
+
+struct kms_framebuffer {
+	struct kms_device *device;
+
+	unsigned int width;
+	unsigned int height;
+	unsigned int pitch;
+	uint32_t format;
+	size_t size;
+
+	uint32_t handle;
+	uint32_t id;
+
+	void *ptr;
+};
+
+struct kms_framebuffer *kms_framebuffer_create(struct kms_device *device,
+					       unsigned int width,
+					       unsigned int height,
+					       uint32_t format);
+void kms_framebuffer_free(struct kms_framebuffer *fb);
+int kms_framebuffer_map(struct kms_framebuffer *fb, void **ptrp);
+void kms_framebuffer_unmap(struct kms_framebuffer *fb);
+
+struct kms_screen {
+	struct kms_device *device;
+	bool connected;
+	uint32_t type;
+	uint32_t id;
+
+	unsigned int width;
+	unsigned int height;
+	char *name;
+
+	drmModeModeInfo mode;
+};
+
+struct kms_screen *kms_screen_create(struct kms_device *device, uint32_t id);
+void kms_screen_free(struct kms_screen *screen);
+
+int kms_screen_set(struct kms_screen *screen, struct kms_crtc *crtc,
+		   struct kms_framebuffer *fb);
+
+struct kms_plane {
+	struct kms_device *device;
+	struct kms_crtc *crtc;
+	unsigned int type;
+	uint32_t id;
+
+	uint32_t *formats;
+	unsigned int num_formats;
+};
+
+struct kms_plane *kms_plane_create(struct kms_device *device, uint32_t id);
+void kms_plane_free(struct kms_plane *plane);
+
+int kms_plane_set(struct kms_plane *plane, struct kms_framebuffer *fb,
+		  unsigned int x, unsigned int y);
+bool kms_plane_supports_format(struct kms_plane *plane, uint32_t format);
+
+#endif