LeenkxTeam/LNXSDK
3
3
Fork 1
Code Issues 14 Pull Requests Actions Packages Projects Releases Wiki Activity

Update leenkx/Shaders/voxel_light/voxel_light.comp.glsl

Browse Source
This commit is contained in:
Onek8 2025-04-07 16:04:17 +00:00
parent 03967c7a2b
commit 86661c1012
1 changed files with 44 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
leenkx/Shaders/voxel_light/voxel_light.comp.glsl
View File

@ -33,6 +33,7 @@ uniform layout(r32ui) uimage3D voxelsLight;
#ifdef _ShadowMap #ifdef _ShadowMap
uniform sampler2DShadow shadowMap; uniform sampler2DShadow shadowMap;
uniform sampler2D shadowMapTransparent;
uniform sampler2DShadow shadowMapSpot; uniform sampler2DShadow shadowMapSpot;
#ifdef _ShadowMapAtlas #ifdef _ShadowMapAtlas
uniform sampler2DShadow shadowMapPoint; uniform sampler2DShadow shadowMapPoint;
@ -86,53 +87,51 @@ float lpToDepth(vec3 lp, const vec2 lightProj) {
void main() { void main() {
int res = voxelgiResolution.x; int res = voxelgiResolution.x;
for (int i = 0; i < 6; i++) {
ivec3 dst = ivec3(gl_GlobalInvocationID.xyz);
vec3 P = (gl_GlobalInvocationID.xyz + 0.5) / voxelgiResolution;
P = P * 2.0 - 1.0;
ivec3 dst = ivec3(gl_GlobalInvocationID.xyz); float visibility;
dst.y += clipmapLevel * res; vec3 lp = lightPos - P;
vec3 l;
vec3 P = (gl_GlobalInvocationID.xyz + 0.5) / voxelgiResolution; if (lightType == 0) { l = lightDir; visibility = 1.0; }
P = P * 2.0 - 1.0; else { l = normalize(lp); visibility = attenuate(distance(P, lightPos)); }
P *= clipmaps[int(clipmapLevel * 10)];
P *= voxelgiResolution;
P += vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)]);
vec3 visibility;
vec3 lp = lightPos - P;
vec3 l;
if (lightType == 0) { l = lightDir; visibility = vec3(1.0); }
else { l = normalize(lp); visibility = vec3(attenuate(distance(P, lightPos))); }
#ifdef _ShadowMap #ifdef _ShadowMap
if (lightShadow == 1) { if (lightShadow == 1) {
vec4 lightPosition = LVP * vec4(P, 1.0); vec4 lightPosition = LVP * vec4(P, 1.0);
vec3 lPos = lightPosition.xyz / lightPosition.w; vec3 lPos = lightPosition.xyz / lightPosition.w;
visibility = texture(shadowMap, vec3(lPos.xy, lPos.z - shadowsBias)).rrr; visibility = texture(shadowMap, vec3(lPos.xy, lPos.z - shadowsBias)).r;
} }
else if (lightShadow == 2) { else if (lightShadow == 2) {
vec4 lightPosition = LVP * vec4(P, 1.0); vec4 lightPosition = LVP * vec4(P, 1.0);
vec3 lPos = lightPosition.xyz / lightPosition.w; vec3 lPos = lightPosition.xyz / lightPosition.w;
visibility *= texture(shadowMapSpot, vec3(lPos.xy, lPos.z - shadowsBias)).r; visibility *= texture(shadowMapSpot, vec3(lPos.xy, lPos.z - shadowsBias)).r;
} }
else if (lightShadow == 3) { else if (lightShadow == 3) {
#ifdef _ShadowMapAtlas #ifdef _ShadowMapAtlas
int faceIndex = 0; int faceIndex = 0;
const int lightIndex = index * 6; const int lightIndex = index * 6;
const vec2 uv = sampleCube(-l, faceIndex); const vec2 uv = sampleCube(-l, faceIndex);
vec4 pointLightTile = pointLightDataArray[lightIndex + faceIndex]; // x: tile X offset, y: tile Y offset, z: tile size relative to atlas vec4 pointLightTile = pointLightDataArray[lightIndex + faceIndex]; // x: tile X offset, y: tile Y offset, z: tile size relative to atlas
vec2 uvtiled = pointLightTile.z * uv + pointLightTile.xy; vec2 uvtiled = pointLightTile.z * uv + pointLightTile.xy;
#ifdef _FlipY #ifdef _FlipY
uvtiled.y = 1.0 - uvtiled.y; // invert Y coordinates for direct3d coordinate system uvtiled.y = 1.0 - uvtiled.y; // invert Y coordinates for direct3d coordinate system
#endif #endif
visibility *= texture(shadowMapPoint, vec3(uvtiled, lpToDepth(lp, lightProj) - shadowsBias)).r; visibility *= texture(shadowMapPoint, vec3(uvtiled, lpToDepth(lp, lightProj) - shadowsBias)).r;
#else #else
visibility *= texture(shadowMapPoint, vec4(-l, lpToDepth(lp, lightProj) - shadowsBias)).r; visibility *= texture(shadowMapPoint, vec4(-l, lpToDepth(lp, lightProj) - shadowsBias)).r;
#endif #endif
} }
#endif #endif
vec3 uvw_light = (P - vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]) * voxelgiResolution);
uvw_light = (uvw_light * 0.5 + 0.5);
if (any(notEqual(uvw_light, clamp(uvw_light, 0.0, 1.0)))) return;
vec3 writecoords_light = floor(uvw_light * voxelgiResolution);
vec3 light = visibility * lightColor; imageAtomicMax(voxelsLight, ivec3(writecoords_light), uint(visibility * lightColor.r * 255));
imageAtomicMax(voxelsLight, ivec3(writecoords_light) + ivec3(0, 0, voxelgiResolution.x), uint(visibility * lightColor.g * 255));
imageAtomicAdd(voxelsLight, dst + ivec3(0, 0, 0), uint(light.r * 255)); imageAtomicMax(voxelsLight, ivec3(writecoords_light) + ivec3(0, 0, voxelgiResolution.x * 2), uint(visibility * lightColor.b * 255));
imageAtomicAdd(voxelsLight, dst + ivec3(0, 0, voxelgiResolution.x), uint(light.g * 255)); }
imageAtomicAdd(voxelsLight, dst + ivec3(0, 0, voxelgiResolution.x * 2), uint(light.b * 255));
} }