diff options
Diffstat (limited to 'servers/rendering')
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl | 22 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl | 22 |
2 files changed, 38 insertions, 6 deletions
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl index abe1a09b06..58b4ded9f4 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl @@ -1479,62 +1479,78 @@ void main() { } else { //no soft shadows vec4 pssm_coord; + float blur_factor; + if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 0) pssm_coord = (directional_lights.data[i].shadow_matrix1 * v); + blur_factor = 1.0; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 1) pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.y; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 2) pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); - + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.z; } else { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 3) pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.w; } pssm_coord /= pssm_coord.w; - shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale * blur_factor, pssm_coord); if (directional_lights.data[i].blend_splits) { float pssm_blend; + float blur_factor2; if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 1) pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); pssm_blend = smoothstep(0.0, directional_lights.data[i].shadow_split_offsets.x, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.y; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 2) pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.x, directional_lights.data[i].shadow_split_offsets.y, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.z; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 3) pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.y, directional_lights.data[i].shadow_split_offsets.z, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.w; } else { pssm_blend = 0.0; //if no blend, same coord will be used (divide by z will result in same value, and already cached) + blur_factor2 = 1.0; } pssm_coord /= pssm_coord.w; - float shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); + float shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale * blur_factor2, pssm_coord); shadow = mix(shadow, shadow2, pssm_blend); } } diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl index 6911cab27b..b6ba244665 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl @@ -1282,6 +1282,7 @@ void main() { float depth_z = -vertex.z; vec4 pssm_coord; + float blur_factor; vec3 light_dir = directional_lights.data[i].direction; vec3 base_normal_bias = normalize(normal_interp) * (1.0 - max(0.0, dot(light_dir, -normalize(normal_interp)))); @@ -1297,56 +1298,71 @@ void main() { BIAS_FUNC(v, 0) pssm_coord = (directional_lights.data[i].shadow_matrix1 * v); + blur_factor = 1.0; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 1) pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.y; + ; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 2) pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); - + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.z; } else { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 3) pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.w; } pssm_coord /= pssm_coord.w; - shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale * blur_factor, pssm_coord); if (directional_lights.data[i].blend_splits) { float pssm_blend; + float blur_factor2; if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 1) pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); pssm_blend = smoothstep(0.0, directional_lights.data[i].shadow_split_offsets.x, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.y; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 2) pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.x, directional_lights.data[i].shadow_split_offsets.y, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.z; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { vec4 v = vec4(vertex, 1.0); BIAS_FUNC(v, 3) pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.y, directional_lights.data[i].shadow_split_offsets.z, depth_z); + // Adjust shadow blur with reference to the first split to reduce discrepancy between shadow splits. + blur_factor2 = directional_lights.data[i].shadow_split_offsets.x / directional_lights.data[i].shadow_split_offsets.w; } else { pssm_blend = 0.0; //if no blend, same coord will be used (divide by z will result in same value, and already cached) + blur_factor2 = 1.0; } pssm_coord /= pssm_coord.w; - float shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); + float shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale * blur_factor2, pssm_coord); shadow = mix(shadow, shadow2, pssm_blend); } |