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light: rewrite -highlightseams code

This commit is contained in:
Eric Wasylishen 2017-12-11 00:30:11 -07:00
parent c58df6e06b
commit 701589ffe9
1 changed files with 24 additions and 4 deletions
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28
light/ltface.cc
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@ -2613,6 +2613,25 @@ IntegerDownsampleImage(const std::vector<qvec4f> &input, int w, int h, int facto
return res;
}
static std::vector<qvec4f>
HighlightSeams(const std::vector<qvec4f> &input, int w, int h)
{
std::vector<qvec4f> res(input);
for (int y=0; y<h; y++) {
for (int x=0; x<w; x++) {
const int i = (y * w) + x;
const qvec4f inSample = res.at(i);
if (inSample[3] == 0) {
res.at(i) = qvec4f(255, 0, 0, 1);
}
}
}
return res;
}
static std::vector<qvec4f>
BoxBlurImage(const std::vector<qvec4f> &input, int w, int h, int radius)
{
@ -2784,6 +2803,11 @@ WriteLightmaps(const mbsp_t *bsp, bsp2_dface_t *face, facesup_t *facesup, const
// these are the actual output width*height, without oversampling.
std::vector<qvec4f> fullres = LightmapColorsToGLMVector(lightsurf, lm);
if (debug_highlightseams) {
fullres = HighlightSeams(fullres, oversampled_width, oversampled_height);
}
if (softsamples > 0) {
fullres = BoxBlurImage(fullres, oversampled_width, oversampled_height, softsamples);
}
@ -2799,10 +2823,6 @@ WriteLightmaps(const mbsp_t *bsp, bsp2_dface_t *face, facesup_t *facesup, const
qvec4f color = output_color.at(sampleindex);
const qvec4f &direction = output_dir.at(sampleindex);
if (debug_highlightseams && color[3] == 0) {
color = qvec4f(255, 0, 0, 1);
}
*lit++ = color[0];
*lit++ = color[1];
*lit++ = color[2];