Half-Life-RTX/HLRTest
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force RGB components for all images in imagecompare

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Imagemagick produces 1-bit grayscale pngs for fully black pictures. This
makes imagecompare unhappy. Enforce the 3-component RGB type for
consistency.
This commit is contained in:
Ivan Avdeev 2025-02-06 13:55:58 -05:00
parent ceae5141c1
commit 6995a4cc46
1 changed files with 3 additions and 1 deletions

4
render/imagecompare.c

@ -24,7 +24,9 @@ typedef struct {
} image_t;
static int imageLoad(image_t* img, const char *f) {
img->data = stbi_load(f, &img->w, &img->h, &img->comp, 0);
const int components = 3; // enforce RGB, as magick/png will save empty images as 1-bit grayscale
img->data = stbi_load(f, &img->w, &img->h, &img->comp, components);
img->comp = components;
if (!img->data)
fprintf(stderr, "Unable to load image \"%s\"\n", f);
return !!(img->data);