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-rw-r--r--backend/drm/main.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/backend/drm/main.c b/backend/drm/main.c
deleted file mode 100644
index aab11e19..00000000
--- a/backend/drm/main.c
+++ /dev/null
@@ -1,160 +0,0 @@
-#include <stdio.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <time.h>
-#include <GLES3/gl3.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdnoreturn.h>
-
-#include "otd.h"
-#include "drm.h"
-#include "event.h"
-
-// I know this is pretty crappy,
-// but it's just for the example's sake
-struct {
- char *name;
- char *mode;
-} displays[8];
-int num_displays = 0;
-
-noreturn void usage(const char *name, int ret)
-{
- fprintf(stderr, "usage: %s [-o <name> [-m <mode>]]*\n"
- "\n"
- " -h \tDisplay this help text\n"
- " -o <name>\tWhich diplay to use. e.g. DVI-I-1.\n"
- " -m <mode>\tWhich mode to use. It must come after an -o option.\n"
- " \tMust be either 'preferred', 'current', widthxheight\n"
- " \tor widthxheight@rate. Defaults to 'preferred'.\n"
- "\n"
- "example: %s -o DVI-I-1 -m 1920x1080@60 -o DP-1 -m 1920x1200\n",
- name, name);
-
- exit(ret);
-}
-
-void parse_args(int argc, char *argv[])
-{
- int c;
- int i = -1;
-
- while ((c = getopt(argc, argv, "ho:m:")) != -1) {
- switch (c) {
- case 'h':
- usage(argv[0], 0);
- case 'o':
- i = num_displays++;
-
- if (num_displays == 8) {
- fprintf(stderr, "Too many displays\n");
- exit(1);
- }
-
- displays[i].name = strdup(optarg);
- break;
- case 'm':
- if (i == -1) {
- fprintf(stderr, "A display is required first\n");
- exit(1);
- }
-
- fprintf(stderr, "Assigned '%s' to '%s'\n", optarg, displays[i].name);
- displays[i].mode = optarg;
- i = -1;
- break;
- default:
- usage(argv[0], 1);
- }
- }
-
- // Trailing args
- if (optind != argc) {
- usage(argv[0], 1);
- }
-}
-
-int main(int argc, char *argv[])
-{
- parse_args(argc, argv);
-
- struct otd *otd = otd_start();
- if (!otd)
- return 1;
-
- float colour[3] = {1.0, 0.0, 0.0};
- int dec = 0;
-
- struct timespec start, now;
- clock_gettime(CLOCK_MONOTONIC, &start);
- struct timespec last = start;
-
- while (clock_gettime(CLOCK_MONOTONIC, &now) == 0 &&
- now.tv_sec < start.tv_sec + 10) {
-
- struct otd_event ev;
- if (!otd_get_event(otd, &ev))
- continue;
-
- struct otd_display *disp = ev.display;
-
- switch (ev.type) {
- case OTD_EV_RENDER:
- rendering_begin(disp);
-
- // This is all just calculating the colours.
- // It's not particularly important.
-
- long ms = (now.tv_sec - last.tv_sec) * 1000 +
- (now.tv_nsec - last.tv_nsec) / 1000000;
-
- int inc = (dec + 1) % 3;
-
- colour[dec] -= ms / 2000.0f;
- colour[inc] += ms / 2000.0f;
-
- if (colour[dec] < 0.0f) {
- colour[dec] = 0.0f;
- colour[inc] = 1.0f;
-
- dec = (dec + 1) % 3;
- }
-
- last = now;
-
- glViewport(0, 0, disp->width, disp->height);
- glClearColor(colour[0], colour[1], colour[2], 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
-
- rendering_end(disp);
- break;
- case OTD_EV_DISPLAY_REM:
- printf("%s removed\n", disp->name);
- break;
- case OTD_EV_DISPLAY_ADD:
- printf("%s added\n", disp->name);
-
- const char *mode = NULL;
- for (int i = 0; i < num_displays; ++i) {
- if (strcmp(disp->name, displays[i].name) == 0) {
- mode = displays[i].mode;
- }
- }
- if (!mode)
- mode = "preferred";
-
- if (!modeset_str(otd, ev.display, mode)) {
- fprintf(stderr, "Modesetting %s failed\n", disp->name);
- goto out;
- }
- break;
- default:
- break;
- }
- }
-
-out:
- otd_finish(otd);
-}