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Lines Matching refs:gamma

147            "      --gamma <r>[:<g>:<b>]\n"
379     } gamma;
1068 	warning("Failed to get gamma for output %s\n", output->output.string);
1074      * Here is a bit tricky because gamma is a whole curve for each
1076      * values.  Therefore, we approximate the gamma curve (v) by supposing
1110 	output->gamma.red = 1;
1111 	output->gamma.green = 1;
1112 	output->gamma.blue = 1;
1118 	output->gamma.red = log((double)(crtc_gamma->red[last_red / 2]) / output->brightness
1120 	output->gamma.green = log((double)(crtc_gamma->green[last_green / 2]) / output->brightness
1122 	output->gamma.blue = log((double)(crtc_gamma->blue[last_blue / 2]) / output->brightness
1247     /* set gamma */
1427 	    fatal("Need crtc to set gamma on.\n");
1436 	    fatal("Gamma size is 0.\n");
1441 	 * The gamma-correction lookup table managed through XRR[GS]etCrtcGamma
1447 	    fatal("Gamma correction table is impossibly large.\n");
1453 	    fatal("Gamma allocation failed.\n");
1457 	if (output->gamma.red == 0.0)
1458 	    output->gamma.red = 1.0;
1459 	if (output->gamma.green == 0.0)
1460 	    output->gamma.green = 1.0;
1461 	if (output->gamma.blue == 0.0)
1462 	    output->gamma.blue = 1.0;
1464 	gammaRed = 1.0 / output->gamma.red;
1465 	gammaGreen = 1.0 / output->gamma.green;
1466 	gammaBlue = 1.0 / output->gamma.blue;
2964 	if (!strcmp ("--gamma", argv[i])) {
2968 	    if (sscanf(argv[i], "%f:%f:%f%c", &config_output->gamma.red,
2969 		    &config_output->gamma.green, &config_output->gamma.blue, &junk) != 3)
2973 		if (sscanf(argv[i], "%f%c", &config_output->gamma.red, &junk) != 1)
2975 		config_output->gamma.green = config_output->gamma.blue = config_output->gamma.red;
2977 	    if (config_output->gamma.red <= 0.0 || config_output->gamma.green <= 0.0 ||
2978 		    config_output->gamma.blue <= 0.0)
2979 		    argerr ("gamma correction factors must be positive\n");
3614 	 * Set gamma on crtc's that belong to the outputs.
3796 	        if (output->gamma.red != 0.0 && output->gamma.green != 0.0 && output->gamma.blue != 0.0) {
3798 			    output->gamma.red, output->gamma.green, output->gamma.blue);