diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
3 files changed, 41 insertions, 24 deletions
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward.glsl b/servers/rendering/renderer_rd/shaders/scene_forward.glsl index adccf1e712..1cea9bf8db 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward.glsl @@ -799,13 +799,11 @@ LIGHT_SHADER_CODE #ifndef USE_NO_SHADOWS -// Produces cheap white noise, optimized for window-space -// Comes from: https://www.shadertoy.com/view/4djSRW -// Copyright: Dave Hoskins, MIT License +// Interleaved Gradient Noise +// http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare float quick_hash(vec2 pos) { - vec3 p3 = fract(vec3(pos.xyx) * .1031); - p3 += dot(p3, p3.yzx + 33.33); - return fract((p3.x + p3.y) * p3.z); + const vec3 magic = vec3(0.06711056f, 0.00583715f, 52.9829189f); + return fract(magic.z * fract(dot(pos, magic.xy))); } float sample_directional_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { diff --git a/servers/rendering/renderer_rd/shaders/sdfgi_direct_light.glsl b/servers/rendering/renderer_rd/shaders/sdfgi_direct_light.glsl index 5e8934adb4..dc7238abed 100644 --- a/servers/rendering/renderer_rd/shaders/sdfgi_direct_light.glsl +++ b/servers/rendering/renderer_rd/shaders/sdfgi_direct_light.glsl @@ -80,6 +80,7 @@ layout(set = 0, binding = 9, std140) buffer restrict readonly Lights { lights; layout(set = 0, binding = 10) uniform texture2DArray lightprobe_texture; +layout(set = 0, binding = 11) uniform texture3D occlusion_texture; layout(push_constant, binding = 0, std430) uniform Params { vec3 grid_size; @@ -91,9 +92,9 @@ layout(push_constant, binding = 0, std430) uniform Params { uint process_increment; int probe_axis_size; - bool multibounce; + float bounce_feedback; float y_mult; - uint pad; + bool use_occlusion; } params; @@ -159,7 +160,8 @@ void main() { // Add indirect light first, in order to save computation resources #ifdef MODE_PROCESS_DYNAMIC - if (params.multibounce) { + if (params.bounce_feedback > 0.001) { + vec3 feedback = (params.bounce_feedback < 1.0) ? (albedo * params.bounce_feedback) : mix(albedo, vec3(1.0), params.bounce_feedback - 1.0); vec3 pos = (vec3(positioni) + vec3(0.5)) * float(params.probe_axis_size - 1) / params.grid_size; ivec3 probe_base_pos = ivec3(pos); @@ -172,7 +174,7 @@ void main() { vec3 base_tex_posf = vec3(tex_pos); vec2 tex_pixel_size = 1.0 / vec2(ivec2((OCT_SIZE + 2) * params.probe_axis_size * params.probe_axis_size, (OCT_SIZE + 2) * params.probe_axis_size)); - vec3 probe_uv_offset = (ivec3(OCT_SIZE + 2, OCT_SIZE + 2, (OCT_SIZE + 2) * params.probe_axis_size)) * tex_pixel_size.xyx; + vec3 probe_uv_offset = vec3(ivec3(OCT_SIZE + 2, OCT_SIZE + 2, (OCT_SIZE + 2) * params.probe_axis_size)) * tex_pixel_size.xyx; for (uint j = 0; j < 8; j++) { ivec3 offset = (ivec3(j) >> ivec3(0, 1, 2)) & ivec3(1, 1, 1); @@ -192,18 +194,35 @@ void main() { for (uint k = 0; k < 6; k++) { if (bool(valid_aniso & (1 << k))) { vec3 n = aniso_dir[k]; - float weight = trilinear.x * trilinear.y * trilinear.z * max(0.005, dot(n, probe_dir)); - - vec3 tex_posf = base_tex_posf + vec3(octahedron_encode(n) * float(OCT_SIZE), 0.0); - tex_posf.xy *= tex_pixel_size; - - vec3 pos_uvw = tex_posf; - pos_uvw.xy += vec2(offset.xy) * probe_uv_offset.xy; - pos_uvw.x += float(offset.z) * probe_uv_offset.z; - vec3 indirect_light = textureLod(sampler2DArray(lightprobe_texture, linear_sampler), pos_uvw, 0.0).rgb; - - light_accum[k] += indirect_light * weight; - weight_accum[k] += weight; + float weight = trilinear.x * trilinear.y * trilinear.z * max(0, dot(n, probe_dir)); + + if (weight > 0.0 && params.use_occlusion) { + ivec3 occ_indexv = abs((cascades.data[params.cascade].probe_world_offset + probe_posi) & ivec3(1, 1, 1)) * ivec3(1, 2, 4); + vec4 occ_mask = mix(vec4(0.0), vec4(1.0), equal(ivec4(occ_indexv.x | occ_indexv.y), ivec4(0, 1, 2, 3))); + + vec3 occ_pos = (vec3(positioni) + aniso_dir[k] + vec3(0.5)) / params.grid_size; + occ_pos.z += float(params.cascade); + if (occ_indexv.z != 0) { //z bit is on, means index is >=4, so make it switch to the other half of textures + occ_pos.x += 1.0; + } + occ_pos *= vec3(0.5, 1.0, 1.0 / float(params.max_cascades)); //renormalize + float occlusion = dot(textureLod(sampler3D(occlusion_texture, linear_sampler), occ_pos, 0.0), occ_mask); + + weight *= occlusion; + } + + if (weight > 0.0) { + vec3 tex_posf = base_tex_posf + vec3(octahedron_encode(n) * float(OCT_SIZE), 0.0); + tex_posf.xy *= tex_pixel_size; + + vec3 pos_uvw = tex_posf; + pos_uvw.xy += vec2(offset.xy) * probe_uv_offset.xy; + pos_uvw.x += float(offset.z) * probe_uv_offset.z; + vec3 indirect_light = textureLod(sampler2DArray(lightprobe_texture, linear_sampler), pos_uvw, 0.0).rgb; + + light_accum[k] += indirect_light * weight; + weight_accum[k] += weight; + } } } } @@ -211,7 +230,7 @@ void main() { for (uint k = 0; k < 6; k++) { if (weight_accum[k] > 0.0) { light_accum[k] /= weight_accum[k]; - light_accum[k] *= albedo; + light_accum[k] *= feedback; } } } diff --git a/servers/rendering/renderer_rd/shaders/skeleton.glsl b/servers/rendering/renderer_rd/shaders/skeleton.glsl index b19f5a9ad3..680d1045cd 100644 --- a/servers/rendering/renderer_rd/shaders/skeleton.glsl +++ b/servers/rendering/renderer_rd/shaders/skeleton.glsl @@ -100,7 +100,7 @@ void main() { for (uint i = 0; i < params.blend_shape_count; i++) { float w = blend_shape_weights.data[i]; - if (w > 0.0001) { + if (abs(w) > 0.0001) { uint base_offset = (params.vertex_count * i + index) * params.vertex_stride; blend_vertex += uintBitsToFloat(uvec3(src_blend_shapes.data[base_offset + 0], src_blend_shapes.data[base_offset + 1], src_blend_shapes.data[base_offset + 2])) * w; |