Lines Matching refs:exposure
34 layout(location = 0) out highp float exposure;
59 exposure = max(source_color.r, max(source_color.g, source_color.b));
64 exposure = texelFetch(source_exposure, coord * 3 + ivec2(0, 0), 0).r;
65 exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 0), 0).r;
66 exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 0), 0).r;
67 exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 1), 0).r;
68 exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 1), 0).r;
69 exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 1), 0).r;
70 exposure += texelFetch(source_exposure, coord * 3 + ivec2(0, 2), 0).r;
71 exposure += texelFetch(source_exposure, coord * 3 + ivec2(1, 2), 0).r;
72 exposure += texelFetch(source_exposure, coord * 3 + ivec2(2, 2), 0).r;
73 exposure *= (1.0 / 9.0);
80 highp float prev_lum = texelFetch(prev_exposure, ivec2(0, 0), 0).r; //1 pixel previous exposure
81 exposure = clamp(prev_lum + (exposure - prev_lum) * exposure_adjust, min_luminance, max_luminance);