diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl')
| -rw-r--r-- | servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl | 50 |
1 files changed, 37 insertions, 13 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index 792a1aa05f..837d7a3a5d 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -1237,7 +1237,7 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 v float shadow_z = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), splane.xy, 0.0).r; //reconstruct depth - shadow_z / lights.data[idx].inv_radius; + shadow_z /= lights.data[idx].inv_radius; //distance to light plane float z = dot(spot_dir, -light_rel_vec); transmittance_z = z - shadow_z; @@ -1601,6 +1601,21 @@ void sdfgi_process(uint cascade, vec3 cascade_pos, vec3 cam_pos, vec3 cam_normal #endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) +#ifndef MODE_RENDER_DEPTH + +vec4 volumetric_fog_process(vec2 screen_uv, float z) { + vec3 fog_pos = vec3(screen_uv, z * scene_data.volumetric_fog_inv_length); + if (fog_pos.z < 0.0) { + return vec4(0.0); + } else if (fog_pos.z < 1.0) { + fog_pos.z = pow(fog_pos.z, scene_data.volumetric_fog_detail_spread); + } + + return texture(sampler3D(volumetric_fog_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), fog_pos); +} + +#endif + void main() { #ifdef MODE_DUAL_PARABOLOID @@ -2187,8 +2202,8 @@ FRAGMENT_SHADER_CODE trans_coord /= trans_coord.w; float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; - shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.x; - float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.x; + shadow_z *= directional_lights.data[i].shadow_z_range.x; + float z = trans_coord.z * directional_lights.data[i].shadow_z_range.x; transmittance_z = z - shadow_z; } @@ -2219,8 +2234,8 @@ FRAGMENT_SHADER_CODE trans_coord /= trans_coord.w; float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; - shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.y; - float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.y; + shadow_z *= directional_lights.data[i].shadow_z_range.y; + float z = trans_coord.z * directional_lights.data[i].shadow_z_range.y; transmittance_z = z - shadow_z; } @@ -2251,8 +2266,8 @@ FRAGMENT_SHADER_CODE trans_coord /= trans_coord.w; float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; - shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.z; - float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.z; + shadow_z *= directional_lights.data[i].shadow_z_range.z; + float z = trans_coord.z * directional_lights.data[i].shadow_z_range.z; transmittance_z = z - shadow_z; } @@ -2285,8 +2300,8 @@ FRAGMENT_SHADER_CODE trans_coord /= trans_coord.w; float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; - shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.w; - float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.w; + shadow_z *= directional_lights.data[i].shadow_z_range.w; + float z = trans_coord.z * directional_lights.data[i].shadow_z_range.w; transmittance_z = z - shadow_z; } @@ -2662,8 +2677,6 @@ FRAGMENT_SHADER_CODE diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point ambient_light *= 1.0 - metallic; - //fog - #ifdef MODE_MULTIPLE_RENDER_TARGETS #ifdef MODE_UNSHADED @@ -2679,16 +2692,27 @@ FRAGMENT_SHADER_CODE specular_buffer = vec4(specular_light, metallic); #endif + if (scene_data.volumetric_fog_enabled) { + vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); + diffuse_buffer.rgb = mix(diffuse_buffer.rgb, fog.rgb, fog.a); + specular_buffer.rgb = mix(specular_buffer.rgb, vec3(0.0), fog.a); + ; + } + #else //MODE_MULTIPLE_RENDER_TARGETS #ifdef MODE_UNSHADED frag_color = vec4(albedo, alpha); #else frag_color = vec4(emission + ambient_light + diffuse_light + specular_light, alpha); - //frag_color = vec4(1.0);;; - + //frag_color = vec4(1.0); #endif //USE_NO_SHADING + if (scene_data.volumetric_fog_enabled) { + vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); + frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); + } + #endif //MODE_MULTIPLE_RENDER_TARGETS #endif //MODE_RENDER_DEPTH |