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Lines Matching refs:gamma

109     float bright, cont, gamma;
119     gamma = (float)pPriv->gamma / 1000.0;
122     /* overlay video also does pre-gamma contrast/sat adjust, should we? */
136     gamma = 1.0;
138     if (gamma != 1.0) {
140 	/* note: gamma correction is out = in ^ gamma;
142 	   in ^ gamma = 2 ^ (log2(in) * gamma).
144 	   without gamma that's 3 inst, with gamma it's 10...
145 	   could use different gamma factors per channel,
440     ps_alu_consts[7] = gamma;