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Replaced floor(log2(dim) with r_integer_log_2 #383

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Replaced floor(log2(dim) with r_integer_log_2 #383

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2 changes: 1 addition & 1 deletion src/renderer/api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -552,7 +552,7 @@ TextureType r_texture_type_from_pixmap_format(PixmapFormat fmt) {

uint r_texture_util_max_num_miplevels(uint width, uint height) {
uint dim = max(width, height);
return dim > 0 ? 1 + floor(log2(dim)) : 0; // TODO replace with integer log2
return dim > 0 ? 1 + r_integer_log_2(dim) : 0;
}

Framebuffer* r_framebuffer_create(void) {
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7 changes: 7 additions & 0 deletions src/renderer/api.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1012,3 +1012,10 @@ INLINE
bool r_supports(RendererFeature feature) {
return r_features() & r_feature_bit(feature);
}

INLINE
uint r_integer_log_2(uint x) {
uint log = 0;
while(x >>= 1) ++log;
return log;
}