diff options
Diffstat (limited to 'tests/modedemo/demo.c')
| -rw-r--r-- | tests/modedemo/demo.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/tests/modedemo/demo.c b/tests/modedemo/demo.c new file mode 100644 index 00000000..594d60db --- /dev/null +++ b/tests/modedemo/demo.c @@ -0,0 +1,202 @@ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <unistd.h> +#include <string.h> + +#include "xf86drm.h" +#include "xf86drmMode.h" + +#define SIZE_X 2048 +#define SIZE_Y 2048 +/* Pitch needs to be power of two */ +#define PITCH 2048 + +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); +void prettyColors(int fd, unsigned int handle); + +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; + } + + prettyColors(fd, framebuffer->handle); + + printf("0 0\n"); + drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 0, &out[0]->output_id, 1, &mode); + sleep(2); + + printf("0 100\n"); + drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 100, &out[0]->output_id, 1, &mode); + sleep(2); + + printf("100 0\n"); + drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 0, &out[0]->output_id, 1, &mode); + sleep(2); + + printf("100 100\n"); + drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 100, &out[0]->output_id, 1, &mode); + sleep(2); + + /* turn the crtc off just in case */ + drmModeSetCrtc(fd, crtc->crtc_id, 0, 0, 0, 0, 0, 0); + + drmModeFreeResources(res); + printf("Ok\n"); + + return 0; +} + +drmModeFBPtr createFB(int fd, drmModeResPtr res) +{ + drmModeFBPtr frame; + unsigned int fb = 0; + int ret = 0; + drmBO bo; + + ret = drmBOCreate(fd, SIZE_X * SIZE_Y * 4, 0, 0, + DRM_BO_FLAG_READ | + DRM_BO_FLAG_WRITE | + DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_VRAM | + DRM_BO_FLAG_NO_EVICT, + DRM_BO_HINT_DONT_FENCE, &bo); + + if (ret) + goto err; + + ret = drmModeAddFB(fd, SIZE_X, SIZE_Y, 32, 32, PITCH * 4, &bo, &fb); + + if (ret) + goto err_bo; + + frame = drmModeGetFB(fd, fb); + + if (!frame) + goto err_bo; + + return frame; + +err_bo: + drmBOUnreference(fd, &bo); +err: + printf("Something went wrong when creating a fb, using one of the predefined ones\n"); + + return drmModeGetFB(fd, res->fbs[0]); +} + +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]); +} + +void draw(unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int v, unsigned int *ptr) +{ + int i, j; + + for (i = x; i < x + w; i++) + for(j = y; j < y + h; j++) + ptr[(i * PITCH) + j] = v; + +} + +void prettyColors(int fd, unsigned int handle) +{ + drmBO bo; + unsigned int *ptr; + int i; + + drmBOReference(fd, handle, &bo); + drmBOMap(fd, &bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, (void**)&ptr); + + for (i = 0; i < (SIZE_X*SIZE_Y); i++) + ptr[i] = 0xFFFFFFFF; + + for (i = 0; i < 8; i++) + draw(i * 40, i * 40, 40, 40, 0, ptr); + + + draw(200, 100, 40, 40, 0xff00ff, ptr); + draw(100, 200, 40, 40, 0xff00ff, ptr); + + drmBOUnmap(fd, &bo); +} |