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perf(terrain): skip fog computation when fog opacity is zero #7476

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Merged
HarelM merged 2 commits into from
Apr 16, 2026
+3 −3
Merged

perf(terrain): skip fog computation when fog opacity is zero #7476

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6601d8a
perf(terrain): skip fog computation when fog opacity is zero
CommanderStorm Apr 15, 2026
aba6d1b
bump size
CommanderStorm Apr 15, 2026
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4 changes: 2 additions & 2 deletions src/shaders/glsl/terrain.fragment.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,8 @@ vec4 linearToGamma(vec4 color) {
void main() {
vec4 surface_color = texture(u_texture, vec2(v_texture_pos.x, 1.0 - v_texture_pos.y));

// Skip fog blending in globe mode
if (!u_is_globe_mode && v_fog_depth > u_fog_ground_blend) {
// Skip fog blending in globe mode or when fog opacity is zero
if (!u_is_globe_mode && u_fog_ground_blend_opacity > 0.0 && v_fog_depth > u_fog_ground_blend) {
vec4 surface_color_linear = gammaToLinear(surface_color);
float blend_color = smoothstep(0.0, 1.0, max((v_fog_depth - u_horizon_fog_blend) / (1.0 - u_horizon_fog_blend), 0.0));
vec4 fog_horizon_color_linear = mix(gammaToLinear(u_fog_color), gammaToLinear(u_horizon_color), blend_color);
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2 changes: 1 addition & 1 deletion test/build/bundle_size.json
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@@ -1 +1 @@
1053826
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