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#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]);
}
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