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authorRĂ©mi Verschelde <remi@verschelde.fr>2021-06-06 09:50:06 +0200
committerGitHub <noreply@github.com>2021-06-06 09:50:06 +0200
commitaa251c310a5b9cab45fa6c27ecf1694da42b00ea (patch)
tree6702d261aec1f5953db6e2341849b3b92e86474c /servers/rendering/renderer_rd/shaders/gi.glsl
parent94c31ba3006b071a6fe03b29a86d0a415351a50f (diff)
parent32625145c8ba20a304c1f70090c34dfe7e9be435 (diff)
Merge pull request #49325 from reduz/rename-gi-classes
Rename GI Classes
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/gi.glsl')
-rw-r--r--servers/rendering/renderer_rd/shaders/gi.glsl76
1 files changed, 38 insertions, 38 deletions
diff --git a/servers/rendering/renderer_rd/shaders/gi.glsl b/servers/rendering/renderer_rd/shaders/gi.glsl
index bfd5c4c88d..3977f4efa0 100644
--- a/servers/rendering/renderer_rd/shaders/gi.glsl
+++ b/servers/rendering/renderer_rd/shaders/gi.glsl
@@ -35,7 +35,7 @@ layout(set = 0, binding = 11) uniform texture2DArray lightprobe_texture;
layout(set = 0, binding = 12) uniform texture2D depth_buffer;
layout(set = 0, binding = 13) uniform texture2D normal_roughness_buffer;
-layout(set = 0, binding = 14) uniform utexture2D giprobe_buffer;
+layout(set = 0, binding = 14) uniform utexture2D voxel_gi_buffer;
layout(set = 0, binding = 15, std140) uniform SDFGI {
vec3 grid_size;
@@ -65,9 +65,9 @@ layout(set = 0, binding = 15, std140) uniform SDFGI {
}
sdfgi;
-#define MAX_GI_PROBES 8
+#define MAX_VOXEL_GI_INSTANCES 8
-struct GIProbeData {
+struct VoxelGIData {
mat4 xform;
vec3 bounds;
float dynamic_range;
@@ -83,12 +83,12 @@ struct GIProbeData {
uint mipmaps;
};
-layout(set = 0, binding = 16, std140) uniform GIProbes {
- GIProbeData data[MAX_GI_PROBES];
+layout(set = 0, binding = 16, std140) uniform VoxelGIs {
+ VoxelGIData data[MAX_VOXEL_GI_INSTANCES];
}
-gi_probes;
+voxel_gi_instances;
-layout(set = 0, binding = 17) uniform texture3D gi_probe_textures[MAX_GI_PROBES];
+layout(set = 0, binding = 17) uniform texture3D voxel_gi_textures[MAX_VOXEL_GI_INSTANCES];
layout(push_constant, binding = 0, std430) uniform Params {
ivec2 screen_size;
@@ -98,7 +98,7 @@ layout(push_constant, binding = 0, std430) uniform Params {
vec4 proj_info;
vec3 ao_color;
- uint max_giprobes;
+ uint max_voxel_gi_instances;
bool high_quality_vct;
bool orthogonal;
@@ -155,7 +155,7 @@ vec3 reconstruct_position(ivec2 screen_pos) {
return pos;
}
-void sdfgi_probe_process(uint cascade, vec3 cascade_pos, vec3 cam_pos, vec3 cam_normal, vec3 cam_specular_normal, float roughness, out vec3 diffuse_light, out vec3 specular_light) {
+void sdfvoxel_gi_process(uint cascade, vec3 cascade_pos, vec3 cam_pos, vec3 cam_normal, vec3 cam_specular_normal, float roughness, out vec3 diffuse_light, out vec3 specular_light) {
cascade_pos += cam_normal * sdfgi.normal_bias;
vec3 base_pos = floor(cascade_pos);
@@ -293,7 +293,7 @@ void sdfgi_process(vec3 vertex, vec3 normal, vec3 reflection, float roughness, o
float blend;
vec3 diffuse, specular;
- sdfgi_probe_process(cascade, cascade_pos, cam_pos, cam_normal, reflection, roughness, diffuse, specular);
+ sdfvoxel_gi_process(cascade, cascade_pos, cam_pos, cam_normal, reflection, roughness, diffuse, specular);
{
//process blend
@@ -323,7 +323,7 @@ void sdfgi_process(vec3 vertex, vec3 normal, vec3 reflection, float roughness, o
} else {
vec3 diffuse2, specular2;
cascade_pos = (cam_pos - sdfgi.cascades[cascade + 1].position) * sdfgi.cascades[cascade + 1].to_probe;
- sdfgi_probe_process(cascade + 1, cascade_pos, cam_pos, cam_normal, reflection, roughness, diffuse2, specular2);
+ sdfvoxel_gi_process(cascade + 1, cascade_pos, cam_pos, cam_normal, reflection, roughness, diffuse2, specular2);
diffuse = mix(diffuse, diffuse2, blend);
specular = mix(specular, specular2, blend);
}
@@ -494,26 +494,26 @@ vec4 voxel_cone_trace_45_degrees(texture3D probe, vec3 cell_size, vec3 pos, vec3
return color;
}
-void gi_probe_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3 normal_xform, float roughness, inout vec4 out_spec, inout vec4 out_diff, inout float out_blend) {
- position = (gi_probes.data[index].xform * vec4(position, 1.0)).xyz;
- ref_vec = normalize((gi_probes.data[index].xform * vec4(ref_vec, 0.0)).xyz);
- normal = normalize((gi_probes.data[index].xform * vec4(normal, 0.0)).xyz);
+void voxel_gi_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3 normal_xform, float roughness, inout vec4 out_spec, inout vec4 out_diff, inout float out_blend) {
+ position = (voxel_gi_instances.data[index].xform * vec4(position, 1.0)).xyz;
+ ref_vec = normalize((voxel_gi_instances.data[index].xform * vec4(ref_vec, 0.0)).xyz);
+ normal = normalize((voxel_gi_instances.data[index].xform * vec4(normal, 0.0)).xyz);
- position += normal * gi_probes.data[index].normal_bias;
+ position += normal * voxel_gi_instances.data[index].normal_bias;
//this causes corrupted pixels, i have no idea why..
- if (any(bvec2(any(lessThan(position, vec3(0.0))), any(greaterThan(position, gi_probes.data[index].bounds))))) {
+ if (any(bvec2(any(lessThan(position, vec3(0.0))), any(greaterThan(position, voxel_gi_instances.data[index].bounds))))) {
return;
}
- mat3 dir_xform = mat3(gi_probes.data[index].xform) * normal_xform;
+ mat3 dir_xform = mat3(voxel_gi_instances.data[index].xform) * normal_xform;
- vec3 blendv = abs(position / gi_probes.data[index].bounds * 2.0 - 1.0);
+ vec3 blendv = abs(position / voxel_gi_instances.data[index].bounds * 2.0 - 1.0);
float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0);
//float blend=1.0;
- float max_distance = length(gi_probes.data[index].bounds);
- vec3 cell_size = 1.0 / gi_probes.data[index].bounds;
+ float max_distance = length(voxel_gi_instances.data[index].bounds);
+ vec3 cell_size = 1.0 / voxel_gi_instances.data[index].bounds;
//irradiance
@@ -534,7 +534,7 @@ void gi_probe_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3
for (uint i = 0; i < cone_dir_count; i++) {
vec3 dir = normalize(dir_xform * cone_dirs[i]);
- light += cone_weights[i] * voxel_cone_trace(gi_probe_textures[index], cell_size, position, dir, cone_angle_tan, max_distance, gi_probes.data[index].bias);
+ light += cone_weights[i] * voxel_cone_trace(voxel_gi_textures[index], cell_size, position, dir, cone_angle_tan, max_distance, voxel_gi_instances.data[index].bias);
}
} else {
const uint cone_dir_count = 4;
@@ -547,42 +547,42 @@ void gi_probe_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3
float cone_weights[cone_dir_count] = float[](0.25, 0.25, 0.25, 0.25);
for (int i = 0; i < cone_dir_count; i++) {
vec3 dir = normalize(dir_xform * cone_dirs[i]);
- light += cone_weights[i] * voxel_cone_trace_45_degrees(gi_probe_textures[index], cell_size, position, dir, max_distance, gi_probes.data[index].bias);
+ light += cone_weights[i] * voxel_cone_trace_45_degrees(voxel_gi_textures[index], cell_size, position, dir, max_distance, voxel_gi_instances.data[index].bias);
}
}
- if (gi_probes.data[index].ambient_occlusion > 0.001) {
- float size = 1.0 + gi_probes.data[index].ambient_occlusion_size * 7.0;
+ if (voxel_gi_instances.data[index].ambient_occlusion > 0.001) {
+ float size = 1.0 + voxel_gi_instances.data[index].ambient_occlusion_size * 7.0;
float taps, blend;
blend = modf(size, taps);
float ao = 0.0;
for (float i = 1.0; i <= taps; i++) {
vec3 ofs = (position + normal * (i * 0.5 + 1.0)) * cell_size;
- ao += textureLod(sampler3D(gi_probe_textures[index], linear_sampler_with_mipmaps), ofs, i - 1.0).a * i;
+ ao += textureLod(sampler3D(voxel_gi_textures[index], linear_sampler_with_mipmaps), ofs, i - 1.0).a * i;
}
if (blend > 0.001) {
vec3 ofs = (position + normal * ((taps + 1.0) * 0.5 + 1.0)) * cell_size;
- ao += textureLod(sampler3D(gi_probe_textures[index], linear_sampler_with_mipmaps), ofs, taps).a * (taps + 1.0) * blend;
+ ao += textureLod(sampler3D(voxel_gi_textures[index], linear_sampler_with_mipmaps), ofs, taps).a * (taps + 1.0) * blend;
}
ao = 1.0 - min(1.0, ao);
- light.rgb = mix(params.ao_color, light.rgb, mix(1.0, ao, gi_probes.data[index].ambient_occlusion));
+ light.rgb = mix(params.ao_color, light.rgb, mix(1.0, ao, voxel_gi_instances.data[index].ambient_occlusion));
}
- light.rgb *= gi_probes.data[index].dynamic_range;
- if (!gi_probes.data[index].blend_ambient) {
+ light.rgb *= voxel_gi_instances.data[index].dynamic_range;
+ if (!voxel_gi_instances.data[index].blend_ambient) {
light.a = 1.0;
}
out_diff += light * blend;
//radiance
- vec4 irr_light = voxel_cone_trace(gi_probe_textures[index], cell_size, position, ref_vec, tan(roughness * 0.5 * M_PI * 0.99), max_distance, gi_probes.data[index].bias);
- irr_light.rgb *= gi_probes.data[index].dynamic_range;
- if (!gi_probes.data[index].blend_ambient) {
+ vec4 irr_light = voxel_cone_trace(voxel_gi_textures[index], cell_size, position, ref_vec, tan(roughness * 0.5 * M_PI * 0.99), max_distance, voxel_gi_instances.data[index].bias);
+ irr_light.rgb *= voxel_gi_instances.data[index].dynamic_range;
+ if (!voxel_gi_instances.data[index].blend_ambient) {
irr_light.a = 1.0;
}
@@ -614,9 +614,9 @@ void process_gi(ivec2 pos, vec3 vertex, inout vec4 ambient_light, inout vec4 ref
sdfgi_process(vertex, normal, reflection, roughness, ambient_light, reflection_light);
#endif
-#ifdef USE_GIPROBES
+#ifdef USE_VOXEL_GI_INSTANCES
{
- uvec2 giprobe_tex = texelFetch(usampler2D(giprobe_buffer, linear_sampler), pos, 0).rg;
+ uvec2 voxel_gi_tex = texelFetch(usampler2D(voxel_gi_buffer, linear_sampler), pos, 0).rg;
roughness *= roughness;
//find arbitrary tangent and bitangent, then build a matrix
vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
@@ -628,9 +628,9 @@ void process_gi(ivec2 pos, vec3 vertex, inout vec4 ambient_light, inout vec4 ref
vec4 spec_accum = vec4(0.0);
float blend_accum = 0.0;
- for (uint i = 0; i < params.max_giprobes; i++) {
- if (any(equal(uvec2(i), giprobe_tex))) {
- gi_probe_compute(i, vertex, normal, reflection, normal_mat, roughness, spec_accum, amb_accum, blend_accum);
+ for (uint i = 0; i < params.max_voxel_gi_instances; i++) {
+ if (any(equal(uvec2(i), voxel_gi_tex))) {
+ voxel_gi_compute(i, vertex, normal, reflection, normal_mat, roughness, spec_accum, amb_accum, blend_accum);
}
}
if (blend_accum > 0.0) {