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color-management: implement set_tf_power

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This commit is contained in:
Julian Orth 2025-09-08 18:37:07 +02:00
parent a2d726e508
commit c37567f1cd
8 changed files with 121 additions and 28 deletions
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3
src/gfx_apis/vulkan/shaders/eotfs.glsl
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@ -13,6 +13,7 @@
#define TF_LOG100 8
#define TF_LOG316 9
#define TF_ST428 10
#define TF_POW 11
vec3 eotf_st2084_pq(vec3 c) {
c = clamp(c, 0.0, 1.0);
@ -92,6 +93,7 @@ vec3 apply_eotf(vec3 c) {
case TF_LOG100: return eotf_log100(c);
case TF_LOG316: return eotf_log316(c);
case TF_ST428: return eotf_st428(c);
case TF_POW: return sign(c) * pow(abs(c), vec3(cm_eotf_args.arg1));
default: return c;
}
}
@ -107,6 +109,7 @@ vec3 apply_inv_eotf(vec3 c) {
case TF_LOG100: return inv_eotf_log100(c);
case TF_LOG316: return inv_eotf_log316(c);
case TF_ST428: return inv_eotf_st428(c);
case TF_POW: return sign(c) * pow(abs(c), vec3(cm_inv_eotf_args.arg1));
default: return c;
}
}