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Fix for OpenEXR half float save function resulting in dark images saved

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Float buffers of ImBuf are always supposed to be linear space a,d ImBuf's
profile means how byte array was constructed from float buffer.
This commit is contained in:
Sergey Sharybin
2012-03-05 18:54:57 +00:00
parent a5eadf14e0
commit 1ae27144f6
1 changed files with 9 additions and 26 deletions
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35
source/blender/imbuf/intern/openexr/openexr_api.cpp
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@@ -234,34 +234,17 @@ static int imb_save_openexr_half(struct ImBuf *ibuf, const char *name, int flags
if(ibuf->rect_float) {
float *from;
if(ibuf->profile == IB_PROFILE_LINEAR_RGB) {
for (int i = ibuf->y-1; i >= 0; i--)
{
from= ibuf->rect_float + channels*i*width;
for (int i = ibuf->y-1; i >= 0; i--)
{
from= ibuf->rect_float + channels*i*width;
for (int j = ibuf->x; j > 0; j--)
{
to->r = from[0];
to->g = from[1];
to->b = from[2];
to->a = (channels >= 4)? from[3]: 1.0f;
to++; from += 4;
}
}
}
else {
for (int i = ibuf->y-1; i >= 0; i--)
for (int j = ibuf->x; j > 0; j--)
{
from= ibuf->rect_float + channels*i*width;
for (int j = ibuf->x; j > 0; j--)
{
to->r = srgb_to_linearrgb(from[0]);
to->g = srgb_to_linearrgb(from[1]);
to->b = srgb_to_linearrgb(from[2]);
to->a = (channels >= 4)? from[3]: 1.0f;
to++; from += 4;
}
to->r = from[0];
to->g = from[1];
to->b = from[2];
to->a = (channels >= 4)? from[3]: 1.0f;
to++; from += 4;
}
}
}