diff options
author | clayjohn <claynjohn@gmail.com> | 2020-04-10 02:30:36 -0700 |
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committer | clayjohn <claynjohn@gmail.com> | 2020-04-10 23:09:17 -0700 |
commit | 621f6f09a8e1450ad688463e8ea6c874b262edb7 (patch) | |
tree | 011d38361565836f308e9e812e52dcbec41ce921 /servers/rendering/rasterizer_rd/shaders | |
parent | 6a730ffeabe11c4ac3121bb248d1e8480771daf9 (diff) |
Add proper quality settings to soft shadows
Diffstat (limited to 'servers/rendering/rasterizer_rd/shaders')
-rw-r--r-- | servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl | 197 | ||||
-rw-r--r-- | servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl | 25 |
2 files changed, 114 insertions, 108 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index 70ce8d61e4..71dedc4967 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -686,61 +686,63 @@ LIGHT_SHADER_CODE #ifndef USE_NO_SHADOWS -const vec2 shadow_poisson_disk[16] = vec2[]( - vec2(-0.94201624, -0.39906216), - vec2(0.94558609, -0.76890725), - vec2(-0.094184101, -0.92938870), - vec2(0.34495938, 0.29387760), - vec2(-0.91588581, 0.45771432), - vec2(-0.81544232, -0.87912464), - vec2(-0.38277543, 0.27676845), - vec2(0.97484398, 0.75648379), - vec2(0.44323325, -0.97511554), - vec2(0.53742981, -0.47373420), - vec2(-0.26496911, -0.41893023), - vec2(0.79197514, 0.19090188), - vec2(-0.24188840, 0.99706507), - vec2(-0.81409955, 0.91437590), - vec2(0.19984126, 0.78641367), - vec2(0.14383161, -0.14100790)); - -float sample_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { +// Produces cheap but low-quality white noise, nothing special +float quick_hash(vec2 pos) { + return fract(sin(dot(pos * 19.19, vec2(49.5791, 97.413))) * 49831.189237); +} + +float sample_directional_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { vec2 pos = coord.xy; float depth = coord.z; - switch (scene_data.shadow_filter_mode) { - case SHADOW_MODE_NO_FILTER: { - return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - }; - case SHADOW_MODE_PCF5: { - float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - return avg * (1.0 / 5.0); - }; - case SHADOW_MODE_PCF13: { - - float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0)); - return avg * (1.0 / 13.0); - }; + //if only one sample is taken, take it from the center + if (scene_data.directional_soft_shadow_samples == 1) { + return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); } - return 0; + mat2 disk_rotation; + { + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; + float sr = sin(r); + float cr = cos(r); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); + } + + float avg = 0.0; + + for (uint i = 0; i < scene_data.directional_soft_shadow_samples; i++) { + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + shadow_pixel_size * (disk_rotation * scene_data.directional_soft_shadow_kernel[i].xy), depth, 1.0)); + } + + return avg * (1.0 / float(scene_data.directional_soft_shadow_samples)); +} + +float sample_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { + + vec2 pos = coord.xy; + float depth = coord.z; + + //if only one sample is taken, take it from the center + if (scene_data.soft_shadow_samples == 1) { + return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + } + + mat2 disk_rotation; + { + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; + float sr = sin(r); + float cr = cos(r); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); + } + + float avg = 0.0; + + for (uint i = 0; i < scene_data.soft_shadow_samples; i++) { + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + shadow_pixel_size * (disk_rotation * scene_data.soft_shadow_kernel[i].xy), depth, 1.0)); + } + + return avg * (1.0 / float(scene_data.soft_shadow_samples)); } float sample_directional_soft_shadow(texture2D shadow, vec3 pssm_coord, vec2 tex_scale) { @@ -749,17 +751,17 @@ float sample_directional_soft_shadow(texture2D shadow, vec3 pssm_coord, vec2 tex float blocker_count = 0.0; float blocker_average = 0.0; - mat2 poisson_rotate; - + mat2 disk_rotation; { - float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; float sr = sin(r); float cr = cos(r); - poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); } - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { - vec2 suv = pssm_coord.xy + (poisson_rotate * shadow_poisson_disk[i]) * tex_scale; + for (uint i = 0; i < scene_data.directional_penumbra_shadow_samples; i++) { + + vec2 suv = pssm_coord.xy + (disk_rotation * scene_data.directional_penumbra_shadow_kernel[i].xy) * tex_scale; float d = textureLod(sampler2D(shadow, material_samplers[SAMPLER_LINEAR_CLAMP]), suv, 0.0).r; if (d < pssm_coord.z) { blocker_average += d; @@ -775,12 +777,12 @@ float sample_directional_soft_shadow(texture2D shadow, vec3 pssm_coord, vec2 tex tex_scale *= penumbra; float s = 0.0; - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { - vec2 suv = pssm_coord.xy + (poisson_rotate * shadow_poisson_disk[i]) * tex_scale; + for (uint i = 0; i < scene_data.directional_penumbra_shadow_samples; i++) { + vec2 suv = pssm_coord.xy + (disk_rotation * scene_data.directional_penumbra_shadow_kernel[i].xy) * tex_scale; s += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(suv, pssm_coord.z, 1.0)); } - return s / float(scene_data.shadow_blocker_count); + return s / float(scene_data.directional_penumbra_shadow_samples); } else { //no blockers found, so no shadow @@ -862,13 +864,12 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a float blocker_count = 0.0; float blocker_average = 0.0; - mat2 poisson_rotate; - + mat2 disk_rotation; { - float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; float sr = sin(r); float cr = cos(r); - poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); } vec3 normal = normalize(splane.xyz); @@ -877,12 +878,14 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a vec3 bitangent = normalize(cross(tangent, normal)); float z_norm = shadow_len * lights.data[idx].inv_radius; - tangent *= lights.data[idx].soft_shadow_size; - bitangent *= lights.data[idx].soft_shadow_size; + tangent *= lights.data[idx].soft_shadow_size * lights.data[idx].soft_shadow_scale; + bitangent *= lights.data[idx].soft_shadow_size * lights.data[idx].soft_shadow_scale; - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { - vec2 poisson = (poisson_rotate * shadow_poisson_disk[i]); - vec3 pos = splane.xyz + tangent * poisson.x + bitangent * poisson.y; + for (uint i = 0; i < scene_data.penumbra_shadow_samples; i++) { + + vec2 disk = disk_rotation * scene_data.penumbra_shadow_kernel[i].xy; + + vec3 pos = splane.xyz + tangent * disk.x + bitangent * disk.y; pos = normalize(pos); vec4 uv_rect = lights.data[idx].atlas_rect; @@ -919,10 +922,10 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a z_norm -= lights.data[idx].inv_radius * lights.data[idx].shadow_bias; shadow = 0.0; - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + for (uint i = 0; i < scene_data.penumbra_shadow_samples; i++) { - vec2 poisson = (poisson_rotate * shadow_poisson_disk[i]); - vec3 pos = splane.xyz + tangent * poisson.x + bitangent * poisson.y; + vec2 disk = disk_rotation * scene_data.penumbra_shadow_kernel[i].xy; + vec3 pos = splane.xyz + tangent * disk.x + bitangent * disk.y; pos = normalize(pos); vec4 uv_rect = lights.data[idx].atlas_rect; @@ -943,7 +946,7 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a shadow += textureProj(sampler2DShadow(shadow_atlas, shadow_sampler), vec4(pos.xy, z_norm, 1.0)); } - shadow /= float(scene_data.shadow_blocker_count); + shadow /= float(scene_data.penumbra_shadow_samples); } else { //no blockers found, so no shadow @@ -970,7 +973,7 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a splane.z = (shadow_len - lights.data[idx].shadow_bias) * lights.data[idx].inv_radius; splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; splane.w = 1.0; //needed? i think it should be 1 already - shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); + shadow = sample_pcf_shadow(shadow_atlas, lights.data[idx].soft_shadow_scale * scene_data.shadow_atlas_pixel_size, splane); } #ifdef LIGHT_TRANSMITTANCE_USED @@ -1120,18 +1123,18 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a float blocker_count = 0.0; float blocker_average = 0.0; - mat2 poisson_rotate; - + mat2 disk_rotation; { - float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; float sr = sin(r); float cr = cos(r); - poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); } - float uv_size = lights.data[idx].soft_shadow_size * z_norm; - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { - vec2 suv = splane.xy + (poisson_rotate * shadow_poisson_disk[i]) * uv_size; + float uv_size = lights.data[idx].soft_shadow_size * z_norm * lights.data[idx].soft_shadow_scale; + for (uint i = 0; i < scene_data.penumbra_shadow_samples; i++) { + + vec2 suv = splane.xy + (disk_rotation * scene_data.penumbra_shadow_kernel[i].xy) * uv_size; suv = clamp(suv, lights.data[idx].atlas_rect.xy, lights.data[idx].atlas_rect.zw); float d = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), suv, 0.0).r; if (d < z_norm) { @@ -1148,13 +1151,13 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a uv_size *= penumbra; shadow = 0.0; - for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { - vec2 suv = splane.xy + (poisson_rotate * shadow_poisson_disk[i]) * uv_size; + for (uint i = 0; i < scene_data.penumbra_shadow_samples; i++) { + vec2 suv = splane.xy + (disk_rotation * scene_data.penumbra_shadow_kernel[i].xy) * uv_size; suv = clamp(suv, lights.data[idx].atlas_rect.xy, lights.data[idx].atlas_rect.zw); shadow += textureProj(sampler2DShadow(shadow_atlas, shadow_sampler), vec4(suv, z_norm, 1.0)); } - shadow /= float(scene_data.shadow_blocker_count); + shadow /= float(scene_data.penumbra_shadow_samples); } else { //no blockers found, so no shadow @@ -1164,7 +1167,7 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a } else { //hard shadow splane.z = z_norm; - shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); + shadow = sample_pcf_shadow(shadow_atlas, lights.data[idx].soft_shadow_scale * scene_data.shadow_atlas_pixel_size, splane); } shadow_attenuation = mix(shadow_color_enabled.rgb, vec3(1.0), shadow); @@ -1888,9 +1891,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.x; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale1 * test_radius; - shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } shadow_color = directional_lights.data[i].shadow_color1.rgb; @@ -1922,9 +1925,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.y; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale2 * test_radius; - shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } shadow_color = directional_lights.data[i].shadow_color2.rgb; @@ -1955,9 +1958,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.z; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale3 * test_radius; - shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } shadow_color = directional_lights.data[i].shadow_color3.rgb; @@ -1989,9 +1992,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.w; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale4 * test_radius; - shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } shadow_color = directional_lights.data[i].shadow_color4.rgb; @@ -2028,9 +2031,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.y; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale2 * test_radius; - shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } pssm_blend = smoothstep(0.0, directional_lights.data[i].shadow_split_offsets.x, depth_z); @@ -2046,9 +2049,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.z; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale3 * test_radius; - shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.x, directional_lights.data[i].shadow_split_offsets.y, depth_z); @@ -2064,9 +2067,9 @@ FRAGMENT_SHADER_CODE float range_begin = directional_lights.data[i].shadow_range_begin.w; float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; vec2 tex_scale = directional_lights.data[i].uv_scale4 * test_radius; - shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale * directional_lights.data[i].soft_shadow_scale); } else { - shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + shadow2 = sample_directional_pcf_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size * directional_lights.data[i].soft_shadow_scale, pssm_coord); } pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.y, directional_lights.data[i].shadow_split_offsets.z, depth_z); diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl index 59f326bc9b..db11e4b005 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl @@ -22,10 +22,6 @@ draw_call; #define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT 10 #define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT 11 -#define SHADOW_MODE_NO_FILTER 0 -#define SHADOW_MODE_PCF5 1 -#define SHADOW_MODE_PCF13 2 - layout(set = 0, binding = 1) uniform sampler material_samplers[12]; layout(set = 0, binding = 2) uniform sampler shadow_sampler; @@ -45,12 +41,18 @@ layout(set = 0, binding = 3, std140) uniform SceneData { float reflection_multiplier; // one normally, zero when rendering reflections bool pancake_shadows; - uint shadow_filter_mode; + uint pad; + + //use vec4s because std140 doesnt play nice with vec2s, z and w are wasted + vec4 directional_penumbra_shadow_kernel[32]; + vec4 directional_soft_shadow_kernel[32]; + vec4 penumbra_shadow_kernel[32]; + vec4 soft_shadow_kernel[32]; - uint shadow_blocker_count; - uint shadow_pad0; - uint shadow_pad1; - uint shadow_pad2; + uint directional_penumbra_shadow_samples; + uint directional_soft_shadow_samples; + uint penumbra_shadow_samples; + uint soft_shadow_samples; vec4 ambient_light_color_energy; @@ -157,8 +159,9 @@ struct LightData { //this structure needs to be as packed as possible float shadow_normal_bias; float transmittance_bias; float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle + float soft_shadow_scale; // scales the shadow kernel for blurrier shadows uint mask; - uint pad[3]; + uint pad[2]; }; layout(set = 0, binding = 5, std430) buffer Lights { @@ -191,7 +194,7 @@ struct DirectionalLightData { float specular; uint mask; float softshadow_angle; - uint pad1; + float soft_shadow_scale; bool blend_splits; bool shadow_enabled; float fade_from; |