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	Moved headers to the correct place.
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		|  | @ -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); | ||||
| } | ||||
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	 Scott Anderson
						Scott Anderson