diff options
Diffstat (limited to 'client/shaders/nodes_shader/opengl_fragment.glsl')
| -rw-r--r-- | client/shaders/nodes_shader/opengl_fragment.glsl | 85 |
1 files changed, 44 insertions, 41 deletions
diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl index e5f5c703a..adc8adccb 100644 --- a/client/shaders/nodes_shader/opengl_fragment.glsl +++ b/client/shaders/nodes_shader/opengl_fragment.glsl @@ -16,6 +16,7 @@ uniform float animationTimer; uniform float f_textureresolution; uniform mat4 m_ShadowViewProj; uniform float f_shadowfar; + uniform float f_shadow_strength; varying float normalOffsetScale; varying float adj_shadow_strength; varying float cosLight; @@ -483,55 +484,57 @@ void main(void) vec4 col = vec4(color.rgb * varColor.rgb, 1.0); #ifdef ENABLE_DYNAMIC_SHADOWS - float shadow_int = 0.0; - vec3 shadow_color = vec3(0.0, 0.0, 0.0); - vec3 posLightSpace = getLightSpacePosition(); + if (f_shadow_strength > 0.0) { + float shadow_int = 0.0; + vec3 shadow_color = vec3(0.0, 0.0, 0.0); + vec3 posLightSpace = getLightSpacePosition(); - float distance_rate = (1 - pow(clamp(2.0 * length(posLightSpace.xy - 0.5),0.0,1.0), 20.0)); - float f_adj_shadow_strength = max(adj_shadow_strength-mtsmoothstep(0.9,1.1, posLightSpace.z ),0.0); + float distance_rate = (1 - pow(clamp(2.0 * length(posLightSpace.xy - 0.5),0.0,1.0), 20.0)); + float f_adj_shadow_strength = max(adj_shadow_strength-mtsmoothstep(0.9,1.1, posLightSpace.z ),0.0); - if (distance_rate > 1e-7) { - + if (distance_rate > 1e-7) { + #ifdef COLORED_SHADOWS - vec4 visibility; - if (cosLight > 0.0) - visibility = getShadowColor(ShadowMapSampler, posLightSpace.xy, posLightSpace.z); - else - visibility = vec4(1.0, 0.0, 0.0, 0.0); - shadow_int = visibility.r; - shadow_color = visibility.gba; + vec4 visibility; + if (cosLight > 0.0) + visibility = getShadowColor(ShadowMapSampler, posLightSpace.xy, posLightSpace.z); + else + visibility = vec4(1.0, 0.0, 0.0, 0.0); + shadow_int = visibility.r; + shadow_color = visibility.gba; #else - if (cosLight > 0.0) - shadow_int = getShadow(ShadowMapSampler, posLightSpace.xy, posLightSpace.z); - else - shadow_int = 1.0; + if (cosLight > 0.0) + shadow_int = getShadow(ShadowMapSampler, posLightSpace.xy, posLightSpace.z); + else + shadow_int = 1.0; #endif - shadow_int *= distance_rate; - shadow_int = clamp(shadow_int, 0.0, 1.0); + shadow_int *= distance_rate; + shadow_int = clamp(shadow_int, 0.0, 1.0); - } + } - // turns out that nightRatio falls off much faster than - // actual brightness of artificial light in relation to natual light. - // Power ratio was measured on torches in MTG (brightness = 14). - float adjusted_night_ratio = pow(max(0.0, nightRatio), 0.6); - - // Apply self-shadowing when light falls at a narrow angle to the surface - // Cosine of the cut-off angle. - const float self_shadow_cutoff_cosine = 0.035; - if (f_normal_length != 0 && cosLight < self_shadow_cutoff_cosine) { - shadow_int = max(shadow_int, 1 - clamp(cosLight, 0.0, self_shadow_cutoff_cosine)/self_shadow_cutoff_cosine); - shadow_color = mix(vec3(0.0), shadow_color, min(cosLight, self_shadow_cutoff_cosine)/self_shadow_cutoff_cosine); - } + // turns out that nightRatio falls off much faster than + // actual brightness of artificial light in relation to natual light. + // Power ratio was measured on torches in MTG (brightness = 14). + float adjusted_night_ratio = pow(max(0.0, nightRatio), 0.6); + + // Apply self-shadowing when light falls at a narrow angle to the surface + // Cosine of the cut-off angle. + const float self_shadow_cutoff_cosine = 0.035; + if (f_normal_length != 0 && cosLight < self_shadow_cutoff_cosine) { + shadow_int = max(shadow_int, 1 - clamp(cosLight, 0.0, self_shadow_cutoff_cosine)/self_shadow_cutoff_cosine); + shadow_color = mix(vec3(0.0), shadow_color, min(cosLight, self_shadow_cutoff_cosine)/self_shadow_cutoff_cosine); + } - shadow_int *= f_adj_shadow_strength; - - // calculate fragment color from components: - col.rgb = - adjusted_night_ratio * col.rgb + // artificial light - (1.0 - adjusted_night_ratio) * ( // natural light - col.rgb * (1.0 - shadow_int * (1.0 - shadow_color)) + // filtered texture color - dayLight * shadow_color * shadow_int); // reflected filtered sunlight/moonlight + shadow_int *= f_adj_shadow_strength; + + // calculate fragment color from components: + col.rgb = + adjusted_night_ratio * col.rgb + // artificial light + (1.0 - adjusted_night_ratio) * ( // natural light + col.rgb * (1.0 - shadow_int * (1.0 - shadow_color)) + // filtered texture color + dayLight * shadow_color * shadow_int); // reflected filtered sunlight/moonlight + } #endif #if ENABLE_TONE_MAPPING |