Modedemo now uses two crtc and output pairs
Jakob Bornecrantz
parent
abed099558
commit
d8bbd02a60
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@ -14,6 +14,60 @@
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/* Pitch needs to be power of two */
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#define PITCH 2048
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/* old functions to be replaced */
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drmModeFBPtr createFB(int fd, drmModeResPtr res);
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void testCursor(int fd, uint32_t crtc);
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void prettyColors(int fd, unsigned int handle);
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void prettyCursor(int fd, unsigned int handle);
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/* structs for the demo_driver */
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struct demo_driver;
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struct demo_screen
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{
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/* drm stuff */
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drmBO buffer;
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drmModeFBPtr fb;
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drmModeCrtcPtr crtc;
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drmModeOutputPtr output;
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struct drm_mode_modeinfo *mode;
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/* virtual buffer */
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uint32_t virt_x;
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uint32_t virt_y;
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uint32_t pitch;
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/* parent */
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struct demo_driver *driver;
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};
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#define DEMO_MAX_SCREENS 4
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#define MAX_FIND_OUTPUTS 8
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struct demo_driver
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{
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/* drm stuff */
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int fd;
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drmModeResPtr res;
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/* screens */
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size_t numScreens;
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struct demo_screen screens[DEMO_MAX_SCREENS];
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};
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struct demo_driver* demoCreateDriver(const char *name);
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void demoUpdateRes(struct demo_driver *driver);
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int demoCreateScreens(struct demo_driver *driver);
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void demoTakeDownScreen(struct demo_screen *screen);
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int demoFindConnectedOutputs(struct demo_driver *driver, drmModeOutputPtr *out, size_t max_out);
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drmModeCrtcPtr demoFindFreeCrtc(struct demo_driver *driver, drmModeOutputPtr output);
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void demoPanScreen(struct demo_screen *screen, uint16_t x, uint16_t y);
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/* yet to be implemented */
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void demoMouseActivate(struct demo_screen *screen);
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void demoMouseMove(struct demo_screen *screen, uint16_t x, uint16_t y);
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static struct drm_mode_modeinfo mode = {
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.name = "Test mode",
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.clock = 25200,
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@ -31,89 +85,234 @@ static struct drm_mode_modeinfo mode = {
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.flags = 10,
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};
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drmModeFBPtr createFB(int fd, drmModeResPtr res);
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int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out);
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drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res);
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void testCursor(int fd, uint32_t crtc);
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void prettyColors(int fd, unsigned int handle);
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void prettyCursor(int fd, unsigned int handle);
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int main(int argc, char **argv)
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{
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int fd;
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const char *driver = "i915"; /* hardcoded for now */
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drmModeResPtr res;
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drmModeFBPtr framebuffer;
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int numOutputs;
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drmModeOutputPtr out[8];
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drmModeCrtcPtr crtc;
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const char *driver_name = "i915"; /* hardcoded for now */
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struct demo_driver *driver;
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int num;
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int i;
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printf("Starting test\n");
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printf("starting demo\n");
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fd = drmOpen(driver, NULL);
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driver = demoCreateDriver(driver_name);
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if (fd < 0) {
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printf("Failed to open the card fb\n");
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if (!driver) {
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printf("failed to create driver\n");
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return 1;
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}
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res = drmModeGetResources(fd);
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if (res == 0) {
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printf("Failed to get resources from card\n");
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drmClose(fd);
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num = demoCreateScreens(driver);
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if (num < 1) {
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printf("no screens attached or an error occured\n");
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return 1;
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}
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printf("created %i screens\n", num);
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framebuffer = createFB(fd, res);
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if (framebuffer == NULL) {
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printf("Failed to create framebuffer\n");
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return 1;
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for (i = 0; i < num; i++) {
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prettyColors(driver->fd, driver->screens[i].fb->handle);
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}
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sleep(1);
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for (i = 0; i < num; i++) {
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printf("%i: 100 0\n", i);
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demoPanScreen(&driver->screens[i], 100, 0);
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sleep(1);
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printf("%i: 0 100\n", i);
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demoPanScreen(&driver->screens[i], 0, 100);
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sleep(1);
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printf("%i: 100 100\n", i);
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demoPanScreen(&driver->screens[i], 100, 100);
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sleep(1);
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printf("%i: 0 0\n", i);
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demoPanScreen(&driver->screens[i], 0, 1);
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sleep(1);
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testCursor(driver->fd, driver->screens[i].crtc->crtc_id);
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}
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numOutputs = findConnectedOutputs(fd, res, out);
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if (numOutputs < 1) {
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printf("Failed to find connected outputs\n");
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return 1;
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}
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crtc = findFreeCrtc(fd, res);
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if (numOutputs < 1) {
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printf("Couldn't find a free crtc\n");
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return 1;
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}
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prettyColors(fd, framebuffer->handle);
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printf("0 0\n");
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drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 0, &out[0]->output_id, 1, &mode);
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sleep(2);
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printf("0 100\n");
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drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 100, &out[0]->output_id, 1, &mode);
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sleep(2);
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printf("100 0\n");
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drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 0, &out[0]->output_id, 1, &mode);
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sleep(2);
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printf("100 100\n");
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drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 100, &out[0]->output_id, 1, &mode);
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sleep(2);
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printf("0 0\n");
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drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 1, 1, &out[0]->output_id, 1, &mode);
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testCursor(fd, crtc->crtc_id);
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/* turn the crtc off just in case */
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drmModeSetCrtc(fd, crtc->crtc_id, 0, 0, 0, 0, 0, 0);
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drmModeFreeResources(res);
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printf("Ok\n");
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printf("ok\n");
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return 0;
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}
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int demoCreateScreens(struct demo_driver *driver)
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{
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drmModeOutputPtr out[MAX_FIND_OUTPUTS];
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int num;
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int num_screens = 0;
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struct demo_screen *screen;
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int ret = 0;
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int i;
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num = demoFindConnectedOutputs(driver, out, MAX_FIND_OUTPUTS);
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if (num < 0)
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return 0;
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printf("found %i connected outputs\n", num);
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for (i = 0; i < num; i++) {
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screen = &driver->screens[i];
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screen->crtc = demoFindFreeCrtc(driver, out[i]);
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if (!screen->crtc) {
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printf("found no free crtc for output\n");
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drmModeFreeOutput(out[i]);
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continue;
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}
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screen->fb = createFB(driver->fd, driver->res);
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if (!screen->fb) {
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drmModeFreeOutput(out[i]);
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drmModeFreeCrtc(screen->crtc);
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screen->crtc = 0;
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printf("could not create framebuffer\n");
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continue;
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}
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screen->virt_x = SIZE_X;
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screen->virt_y = SIZE_Y;
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screen->pitch = PITCH;
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screen->output = out[i];
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screen->mode = &mode;
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screen->driver = driver;
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ret = drmModeSetCrtc(
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driver->fd,
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screen->crtc->crtc_id,
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screen->fb->buffer_id,
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0, 0,
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&screen->output->output_id, 1,
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screen->mode);
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if (ret) {
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printf("failed to set mode\n");
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demoTakeDownScreen(screen);
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} else {
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num_screens++;
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}
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demoUpdateRes(driver);
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}
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return num_screens;
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}
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void demoTakeDownScreen(struct demo_screen *screen)
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{
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/* TODO Unrefence the BO */
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/* TODO Destroy FB */
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/* TODO take down the mode */
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drmModeFreeOutput(screen->output);
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drmModeFreeCrtc(screen->crtc);
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}
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drmModeCrtcPtr demoFindFreeCrtc(struct demo_driver *driver, drmModeOutputPtr output)
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{
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drmModeCrtcPtr crtc;
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int i, j, used = 0;
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drmModeResPtr res = driver->res;
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for (i = 0; i < res->count_crtcs; i++) {
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used = 0;
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for (j = 0; j < DEMO_MAX_SCREENS; j++) {
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crtc = driver->screens[j].crtc;
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if (crtc && crtc->crtc_id == res->crtcs[i])
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used = 1;
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}
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if (!used) {
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crtc = drmModeGetCrtc(driver->fd, res->crtcs[i]);
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break;
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} else {
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crtc = 0;
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}
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}
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return crtc;
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}
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struct demo_driver* demoCreateDriver(const char *name)
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{
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struct demo_driver* driver = malloc(sizeof(struct demo_driver));
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memset(driver, 0, sizeof(struct demo_driver));
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driver->fd = drmOpen(name, NULL);
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if (driver->fd < 0) {
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printf("Failed to open the card fb\n");
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goto err_driver;
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}
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demoUpdateRes(driver);
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if (!driver->res) {
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printf("could not retrive resources\n");
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goto err_res;
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}
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return driver;
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err_res:
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drmClose(driver->fd);
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err_driver:
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free(driver);
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return NULL;
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}
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void demoUpdateRes(struct demo_driver *driver)
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{
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if (driver->res)
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drmModeFreeResources(driver->res);
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driver->res = drmModeGetResources(driver->fd);
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if (!driver->res)
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printf("failed to get resources from kernel\n");
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}
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int demoFindConnectedOutputs(struct demo_driver *driver, drmModeOutputPtr *out, size_t max_out)
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{
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int count = 0;
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int i;
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int fd = driver->fd;
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drmModeResPtr res = driver->res;
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drmModeOutputPtr output;
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for (i = 0; i < res->count_outputs && count < max_out; i++) {
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output = drmModeGetOutput(fd, res->outputs[i]);
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if (!output)
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continue;
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if (output->connection != DRM_MODE_CONNECTED) {
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drmModeFreeOutput(output);
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continue;
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}
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out[count++] = output;
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}
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return count;
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}
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void demoPanScreen(struct demo_screen *screen, uint16_t x, uint16_t y)
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{
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drmModeSetCrtc(
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screen->driver->fd,
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screen->crtc->crtc_id,
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screen->fb->buffer_id,
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x, y,
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&screen->output->output_id, 1,
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screen->mode);
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}
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drmModeFBPtr createFB(int fd, drmModeResPtr res)
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{
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drmModeFBPtr frame;
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@ -147,33 +346,7 @@ drmModeFBPtr createFB(int fd, drmModeResPtr res)
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err_bo:
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drmBOUnreference(fd, &bo);
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err:
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printf("Something went wrong when creating a fb, using one of the predefined ones\n");
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return drmModeGetFB(fd, res->fbs[0]);
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}
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int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out)
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{
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int count = 0;
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int i;
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drmModeOutputPtr output;
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for (i = 0; i < res->count_outputs; i++) {
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output = drmModeGetOutput(fd, res->outputs[i]);
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if (!output || output->connection != DRM_MODE_CONNECTED)
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continue;
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out[count++] = output;
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}
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return count;
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}
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drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res)
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{
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return drmModeGetCrtc(fd, res->crtcs[1]);
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return 0;
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}
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void draw(unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int v, unsigned int *ptr)
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@ -225,10 +398,14 @@ void testCursor(int fd, uint32_t crtc)
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drmModeSetCursor(fd, crtc, &bo, 64, 64);
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printf("move cursor 0, 0\n");
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drmModeMoveCursor(fd, crtc, 0, 0);
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sleep(2);
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sleep(1);
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printf("move cursor 40, 40\n");
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drmModeMoveCursor(fd, crtc, 40, 40);
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sleep(2);
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sleep(1);
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printf("move cursor 100, 100\n");
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drmModeMoveCursor(fd, crtc, 100, 100);
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sleep(1);
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drmModeSetCursor(fd, crtc, NULL, 0, 0);
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}
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void prettyCursor(int fd, unsigned int handle)
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