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Fix GLES3 light cutoff.

This commit is contained in:
Bruno Lourenço 2019-12-21 20:52:54 +00:00
parent a10449bbbc
commit d47374385c
1 changed files with 12 additions and 2 deletions
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14
drivers/gles3/shaders/scene.glsl
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@ -1254,7 +1254,12 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
float light_length = length(light_rel_vec);
float normalized_distance = light_length * omni_lights[idx].light_pos_inv_radius.w;
float omni_attenuation = pow(max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w);
float omni_attenuation;
if (normalized_distance < 1.0) {
omni_attenuation = pow(normalized_distance, omni_lights[idx].light_direction_attenuation.w);
} else {
omni_attenuation = 0.0;
}
vec3 light_attenuation = vec3(omni_attenuation);
#if !defined(SHADOWS_DISABLED)
@ -1313,7 +1318,12 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
float light_length = length(light_rel_vec);
float normalized_distance = light_length * spot_lights[idx].light_pos_inv_radius.w;
float spot_attenuation = pow(max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w);
float spot_attenuation;
if (normalized_distance < 1.0) {
spot_attenuation = pow(1.0 - normalized_distance, spot_lights[idx].light_direction_attenuation.w);
} else {
spot_attenuation = 0.0;
}
vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
float spot_cutoff = spot_lights[idx].light_params.y;
float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_cutoff);