diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd')
6 files changed, 282 insertions, 121 deletions
diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp index ec05c9e964..9d2a03ac76 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp @@ -77,6 +77,13 @@ static _FORCE_INLINE_ void store_camera(const CameraMatrix &p_mtx, float *p_arra } } +static _FORCE_INLINE_ void store_soft_shadow_kernel(const float *p_kernel, float *p_array) { + + for (int i = 0; i < 128; i++) { + p_array[i] = p_kernel[i]; + } +} + /* SCENE SHADER */ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { //compile @@ -962,10 +969,18 @@ void RasterizerSceneHighEndRD::_setup_environment(RID p_environment, const Camer scene_state.ubo.z_far = p_zfar; scene_state.ubo.z_near = p_znear; - scene_state.ubo.shadow_filter_mode = shadow_filter_get(); scene_state.ubo.pancake_shadows = p_pancake_shadows; - scene_state.ubo.shadow_blocker_count = 16; + + store_soft_shadow_kernel(directional_penumbra_shadow_kernel_get(), scene_state.ubo.directional_penumbra_shadow_kernel); + store_soft_shadow_kernel(directional_soft_shadow_kernel_get(), scene_state.ubo.directional_soft_shadow_kernel); + store_soft_shadow_kernel(penumbra_shadow_kernel_get(), scene_state.ubo.penumbra_shadow_kernel); + store_soft_shadow_kernel(soft_shadow_kernel_get(), scene_state.ubo.soft_shadow_kernel); + + scene_state.ubo.directional_penumbra_shadow_samples = directional_penumbra_shadow_samples_get(); + scene_state.ubo.directional_soft_shadow_samples = directional_soft_shadow_samples_get(); + scene_state.ubo.penumbra_shadow_samples = penumbra_shadow_samples_get(); + scene_state.ubo.soft_shadow_samples = soft_shadow_samples_get(); scene_state.ubo.screen_pixel_size[0] = p_screen_pixel_size.x; scene_state.ubo.screen_pixel_size[1] = p_screen_pixel_size.y; @@ -1585,6 +1600,8 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.fade_from = -light_data.shadow_split_offsets[3] * MIN(fade_start, 0.999); //using 1.0 would break smoothstep light_data.fade_to = -light_data.shadow_split_offsets[3]; + light_data.soft_shadow_scale = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BLUR); + float softshadow_angle = storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); if (softshadow_angle > 0.0) { // I know tan(0) is 0, but let's not risk it with numerical precision. @@ -1593,6 +1610,7 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.softshadow_angle = Math::tan(Math::deg2rad(softshadow_angle)); } else { light_data.softshadow_angle = 0; + light_data.soft_shadow_scale *= directional_shadow_quality_radius_get(); // Only use quality radius for PCF } } @@ -1703,6 +1721,8 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.atlas_rect[2] = rect.size.width; light_data.atlas_rect[3] = rect.size.height; + light_data.soft_shadow_scale = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BLUR); + if (type == RS::LIGHT_OMNI) { light_data.atlas_rect[3] *= 0.5; //one paraboloid on top of another @@ -1715,6 +1735,7 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.soft_shadow_size = size; } else { light_data.soft_shadow_size = 0.0; + light_data.soft_shadow_scale *= shadows_quality_radius_get(); // Only use quality radius for PCF } } else if (type == RS::LIGHT_SPOT) { @@ -1738,6 +1759,7 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.soft_shadow_size = (size * 0.5 / radius) / (half_np / cm.get_z_near()) * rect.size.width; } else { light_data.soft_shadow_size = 0.0; + light_data.soft_shadow_scale *= shadows_quality_radius_get(); // Only use quality radius for PCF } } } else { diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h index b4f5d25afd..67dd00c27c 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h @@ -265,8 +265,9 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float shadow_normal_bias; float transmittance_bias; float soft_shadow_size; + float soft_shadow_scale; uint32_t mask; - uint32_t pad[3]; + uint32_t pad[2]; }; struct DirectionalLightData { @@ -278,7 +279,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float specular; uint32_t mask; float softshadow_angle; - uint32_t pad[1]; + float soft_shadow_scale; uint32_t blend_splits; uint32_t shadow_enabled; float fade_from; @@ -350,10 +351,17 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float reflection_multiplier; uint32_t pancake_shadows; - uint32_t shadow_filter_mode; + uint32_t pad; + + float directional_penumbra_shadow_kernel[128]; //32 vec4s + float directional_soft_shadow_kernel[128]; + float penumbra_shadow_kernel[128]; + float soft_shadow_kernel[128]; - uint32_t shadow_blocker_count; - uint32_t shadow_pad[3]; + uint32_t directional_penumbra_shadow_samples; + uint32_t directional_soft_shadow_samples; + uint32_t penumbra_shadow_samples; + uint32_t soft_shadow_samples; float ambient_light_color_energy[4]; diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp index a0bbf8bd43..b2a843161b 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp @@ -36,6 +36,18 @@ uint64_t RasterizerSceneRD::auto_exposure_counter = 2; +void get_vogel_disk(float *r_kernel, int p_sample_count) { + const float golden_angle = 2.4; + + for (int i = 0; i < p_sample_count; i++) { + float r = Math::sqrt(float(i) + 0.5) / Math::sqrt(float(p_sample_count)); + float theta = float(i) * golden_angle; + + r_kernel[i * 4] = Math::cos(theta) * r; + r_kernel[i * 4 + 1] = Math::sin(theta) * r; + } +} + void RasterizerSceneRD::_clear_reflection_data(ReflectionData &rd) { rd.layers.clear(); @@ -3583,8 +3595,86 @@ void RasterizerSceneRD::sub_surface_scattering_set_scale(float p_scale, float p_ sss_depth_scale = p_depth_scale; } -void RasterizerSceneRD::shadow_filter_set(RS::ShadowFilter p_filter) { - shadow_filter = p_filter; +void RasterizerSceneRD::shadows_quality_set(RS::ShadowQuality p_quality) { + + ERR_FAIL_INDEX_MSG(p_quality, RS::SHADOW_QUALITY_MAX, "Shadow quality too high, please see RenderingServer's ShadowQuality enum"); + + if (shadows_quality != p_quality) { + shadows_quality = p_quality; + + switch (shadows_quality) { + case RS::SHADOW_QUALITY_HARD: { + penumbra_shadow_samples = 4; + soft_shadow_samples = 1; + shadows_quality_radius = 1.0; + } break; + case RS::SHADOW_QUALITY_SOFT_LOW: { + penumbra_shadow_samples = 8; + soft_shadow_samples = 4; + shadows_quality_radius = 2.0; + } break; + case RS::SHADOW_QUALITY_SOFT_MEDIUM: { + penumbra_shadow_samples = 12; + soft_shadow_samples = 8; + shadows_quality_radius = 2.0; + } break; + case RS::SHADOW_QUALITY_SOFT_HIGH: { + penumbra_shadow_samples = 24; + soft_shadow_samples = 16; + shadows_quality_radius = 3.0; + } break; + case RS::SHADOW_QUALITY_SOFT_ULTRA: { + penumbra_shadow_samples = 32; + soft_shadow_samples = 32; + shadows_quality_radius = 4.0; + } break; + case RS::SHADOW_QUALITY_MAX: + break; + } + get_vogel_disk(penumbra_shadow_kernel, penumbra_shadow_samples); + get_vogel_disk(soft_shadow_kernel, soft_shadow_samples); + } +} + +void RasterizerSceneRD::directional_shadow_quality_set(RS::ShadowQuality p_quality) { + + ERR_FAIL_INDEX_MSG(p_quality, RS::SHADOW_QUALITY_MAX, "Shadow quality too high, please see RenderingServer's ShadowQuality enum"); + + if (directional_shadow_quality != p_quality) { + directional_shadow_quality = p_quality; + + switch (directional_shadow_quality) { + case RS::SHADOW_QUALITY_HARD: { + directional_penumbra_shadow_samples = 4; + directional_soft_shadow_samples = 1; + directional_shadow_quality_radius = 1.0; + } break; + case RS::SHADOW_QUALITY_SOFT_LOW: { + directional_penumbra_shadow_samples = 8; + directional_soft_shadow_samples = 4; + directional_shadow_quality_radius = 2.0; + } break; + case RS::SHADOW_QUALITY_SOFT_MEDIUM: { + directional_penumbra_shadow_samples = 12; + directional_soft_shadow_samples = 8; + directional_shadow_quality_radius = 2.0; + } break; + case RS::SHADOW_QUALITY_SOFT_HIGH: { + directional_penumbra_shadow_samples = 24; + directional_soft_shadow_samples = 16; + directional_shadow_quality_radius = 3.0; + } break; + case RS::SHADOW_QUALITY_SOFT_ULTRA: { + directional_penumbra_shadow_samples = 32; + directional_soft_shadow_samples = 32; + directional_shadow_quality_radius = 4.0; + } break; + case RS::SHADOW_QUALITY_MAX: + break; + } + get_vogel_disk(directional_penumbra_shadow_kernel, directional_penumbra_shadow_samples); + get_vogel_disk(directional_soft_shadow_kernel, directional_soft_shadow_samples); + } } int RasterizerSceneRD::get_roughness_layers() const { @@ -4155,7 +4245,12 @@ RasterizerSceneRD::RasterizerSceneRD(RasterizerStorageRD *p_storage) { sss_quality = RS::SubSurfaceScatteringQuality(int(GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_quality"))); sss_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_scale"); sss_depth_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_depth_scale"); - shadow_filter = RS::ShadowFilter(int(GLOBAL_GET("rendering/quality/shadows/filter_mode"))); + directional_penumbra_shadow_kernel = memnew_arr(float, 128); + directional_soft_shadow_kernel = memnew_arr(float, 128); + penumbra_shadow_kernel = memnew_arr(float, 128); + soft_shadow_kernel = memnew_arr(float, 128); + shadows_quality_set(RS::ShadowQuality(int(GLOBAL_GET("rendering/quality/shadows/soft_shadow_quality")))); + directional_shadow_quality_set(RS::ShadowQuality(int(GLOBAL_GET("rendering/quality/directional_shadow/soft_shadow_quality")))); } RasterizerSceneRD::~RasterizerSceneRD() { @@ -4184,4 +4279,8 @@ RasterizerSceneRD::~RasterizerSceneRD() { memdelete_arr(sky_scene_state.last_frame_directional_lights); storage->free(sky_shader.default_shader); storage->free(sky_shader.default_material); + memdelete_arr(directional_penumbra_shadow_kernel); + memdelete_arr(directional_soft_shadow_kernel); + memdelete_arr(penumbra_shadow_kernel); + memdelete_arr(soft_shadow_kernel); } diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h index 3478c05fb1..fba2e0df3d 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h @@ -527,7 +527,19 @@ private: bool _shadow_atlas_find_shadow(ShadowAtlas *shadow_atlas, int *p_in_quadrants, int p_quadrant_count, int p_current_subdiv, uint64_t p_tick, int &r_quadrant, int &r_shadow); - RS::ShadowFilter shadow_filter = RS::SHADOW_FILTER_NONE; + RS::ShadowQuality shadows_quality = RS::SHADOW_QUALITY_MAX; //So it always updates when first set + RS::ShadowQuality directional_shadow_quality = RS::SHADOW_QUALITY_MAX; + float shadows_quality_radius = 1.0; + float directional_shadow_quality_radius = 1.0; + + float *directional_penumbra_shadow_kernel; + float *directional_soft_shadow_kernel; + float *penumbra_shadow_kernel; + float *soft_shadow_kernel; + int directional_penumbra_shadow_samples = 0; + int directional_soft_shadow_samples = 0; + int penumbra_shadow_samples = 0; + int soft_shadow_samples = 0; /* DIRECTIONAL SHADOW */ @@ -1177,8 +1189,22 @@ public: RS::SubSurfaceScatteringQuality sub_surface_scattering_get_quality() const; virtual void sub_surface_scattering_set_scale(float p_scale, float p_depth_scale); - virtual void shadow_filter_set(RS::ShadowFilter p_filter); - _FORCE_INLINE_ RS::ShadowFilter shadow_filter_get() const { return shadow_filter; } + virtual void shadows_quality_set(RS::ShadowQuality p_quality); + virtual void directional_shadow_quality_set(RS::ShadowQuality p_quality); + _FORCE_INLINE_ RS::ShadowQuality shadows_quality_get() const { return shadows_quality; } + _FORCE_INLINE_ RS::ShadowQuality directional_shadow_quality_get() const { return directional_shadow_quality; } + _FORCE_INLINE_ float shadows_quality_radius_get() const { return shadows_quality_radius; } + _FORCE_INLINE_ float directional_shadow_quality_radius_get() const { return directional_shadow_quality_radius; } + + _FORCE_INLINE_ float *directional_penumbra_shadow_kernel_get() { return directional_penumbra_shadow_kernel; } + _FORCE_INLINE_ float *directional_soft_shadow_kernel_get() { return directional_soft_shadow_kernel; } + _FORCE_INLINE_ float *penumbra_shadow_kernel_get() { return penumbra_shadow_kernel; } + _FORCE_INLINE_ float *soft_shadow_kernel_get() { return soft_shadow_kernel; } + + _FORCE_INLINE_ int directional_penumbra_shadow_samples_get() const { return directional_penumbra_shadow_samples; } + _FORCE_INLINE_ int directional_soft_shadow_samples_get() const { return directional_soft_shadow_samples; } + _FORCE_INLINE_ int penumbra_shadow_samples_get() const { return penumbra_shadow_samples; } + _FORCE_INLINE_ int soft_shadow_samples_get() const { return soft_shadow_samples; } int get_roughness_layers() const; bool is_using_radiance_cubemap_array() const; 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; |