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Differential D1082 Diff 3458 source/blender/render/intern/source/volumetric.c

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source/blender/render/intern/source/volumetric.c

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#include "volumetric.h" #include "volumetric.h"
#include "volume_precache.h" #include "volume_precache.h"
#include "IMB_colormanagement.h"
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
/* defined in pipeline.c, is hardcopy of active dynamic allocated Render */ /* defined in pipeline.c, is hardcopy of active dynamic allocated Render */
/* only to be used here in this file, it's for speed */ /* only to be used here in this file, it's for speed */
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if (shi->mat->vol.shadeflag & MA_VOL_RECV_EXT_SHADOW) { if (shi->mat->vol.shadeflag & MA_VOL_RECV_EXT_SHADOW) {
mul_v3_fl(lacol, vol_get_shadow(shi, lar, co)); mul_v3_fl(lacol, vol_get_shadow(shi, lar, co));
if (rgb_to_luma_y(lacol) < 0.001f) return; if (IMB_colormanagement_get_luminance(lacol) < 0.001f) return;
} }
/* find minimum of volume bounds, or lamp coord */ /* find minimum of volume bounds, or lamp coord */
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} }
} }
if (rgb_to_luma_y(lacol) < 0.001f) return; if (IMB_colormanagement_get_luminance(lacol) < 0.001f) return;
normalize_v3(lv); normalize_v3(lv);
p = vol_get_phasefunc(shi, shi->mat->vol.asymmetry, view, lv); p = vol_get_phasefunc(shi, shi->mat->vol.asymmetry, view, lv);
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if (t0 > t1 * 0.25f) { if (t0 > t1 * 0.25f) {
/* only use depth cutoff after we've traced a little way into the volume */ /* only use depth cutoff after we've traced a little way into the volume */
if (rgb_to_luma_y(tr) < shi->mat->vol.depth_cutoff) break; if (IMB_colormanagement_get_luminance(tr) < shi->mat->vol.depth_cutoff) break;
} }
vol_get_emission(shi, emit_col, p); vol_get_emission(shi, emit_col, p);
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add_v3_v3(col, radiance); add_v3_v3(col, radiance);
/* alpha <-- transmission luminance */ /* alpha <-- transmission luminance */
col[3] = 1.0f - rgb_to_luma_y(tr); col[3] = 1.0f - IMB_colormanagement_get_luminance(tr);
} }
/* the main entry point for volume shading */ /* the main entry point for volume shading */
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copy_v3_v3(shr->combined, tr); copy_v3_v3(shr->combined, tr);
shr->combined[3] = 1.0f - rgb_to_luma_y(tr); shr->combined[3] = 1.0f - IMB_colormanagement_get_luminance(tr);
shr->alpha = shr->combined[3]; shr->alpha = shr->combined[3];
} }
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