1 files changed, 119 insertions, 0 deletions
diff --git a/tests/modedemo/demo.c b/tests/modedemo/demo.c
new file mode 100644
index 00000000..ea71fd1d
--- /dev/null
+++ b/tests/modedemo/demo.c
@@ -0,0 +1,119 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+static struct drm_mode_modeinfo mode = {
+	.name = "Test mode",
+	.clock = 25200,
+	.hdisplay = 640,
+	.hsync_start = 656,
+	.hsync_end = 752,
+	.htotal = 800,
+	.hskew = 0,
+	.vdisplay = 480,
+	.vsync_start = 490,
+	.vsync_end = 492,
+	.vtotal = 525,
+	.vscan = 0,
+	.vrefresh = 60000, /* vertical refresh * 1000 */
+	.flags = 10,
+};
+
+drmModeFBPtr createFB(int fd, drmModeResPtr res);
+int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out);
+drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res);
+
+int main(int argc, char **argv)
+{
+	int fd;
+	const char *driver = "i915"; /* hardcoded for now */
+	drmModeResPtr res;
+	drmModeFBPtr framebuffer;
+	int numOutputs;
+	drmModeOutputPtr out[8];
+	drmModeCrtcPtr crtc;
+
+	printf("Starting test\n");
+
+	fd = drmOpen(driver, NULL);
+
+	if (fd < 0) {
+		printf("Failed to open the card fb\n");
+		return 1;
+	}
+
+	res = drmModeGetResources(fd);
+	if (res == 0) {
+		printf("Failed to get resources from card\n");
+		drmClose(fd);
+		return 1;
+	}
+
+	framebuffer = createFB(fd, res);
+	if (framebuffer == NULL) {
+		printf("Failed to create framebuffer\n");
+		return 1;
+	}
+
+	numOutputs = findConnectedOutputs(fd, res, out);
+	if (numOutputs < 1) {
+		printf("Failed to find connected outputs\n");
+		return 1;
+	}
+
+	crtc = findFreeCrtc(fd, res);
+	if (numOutputs < 1) {
+		printf("Couldn't find a free crtc\n");
+		return 1;
+	}
+
+
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 0, &out[0]->output_id, 1, &mode);
+	sleep(2);
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 500, &out[0]->output_id, 1, &mode);
+	sleep(2);
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 500, 0, &out[0]->output_id, 1, &mode);
+	sleep(2);
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 500, 500, &out[0]->output_id, 1, &mode);
+
+    drmModeFreeResources(res);
+    printf("Ok\n");
+
+    return 0;
+}
+
+drmModeFBPtr createFB(int fd, drmModeResPtr res)
+{
+	/* Haveing problems getting drmBOCreate to work with me. */
+	return drmModeGetFB(fd, res->fbs[1]);
+}
+
+int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out)
+{
+	int count = 0;
+	int i;
+
+	drmModeOutputPtr output;
+
+	for (i = 0; i < res->count_outputs; i++) {
+		output = drmModeGetOutput(fd, res->outputs[i]);
+
+		if (!output || output->connection != DRM_MODE_CONNECTED)
+			continue;
+
+		out[count++] = output;
+	}
+
+	return count;
+}
+
+drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res)
+{
+	return drmModeGetCrtc(fd, res->crtcs[0]);
+}