79 lines
2.6 KiB
GLSL
79 lines
2.6 KiB
GLSL
/*
|
|
Copyright (c) 2024 Turánszki János
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
#version 450
|
|
|
|
layout (local_size_x = 8, local_size_y = 8, local_size_z = 8) in;
|
|
|
|
#include "compiled.inc"
|
|
#include "std/math.glsl"
|
|
#include "std/gbuffer.glsl"
|
|
#include "std/imageatomic.glsl"
|
|
#include "std/constants.glsl"
|
|
|
|
#ifdef _VoxelGI
|
|
uniform layout(rgba16f) image3D voxelsB;
|
|
uniform layout(rgba16f) image3D voxelsOut;
|
|
#else
|
|
uniform layout(r16f) image3D voxelsB;
|
|
uniform layout(r16f) image3D voxelsOut;
|
|
#endif
|
|
|
|
uniform int clipmapLevel;
|
|
uniform float voxelBlend;
|
|
|
|
uniform float clipmaps[voxelgiClipmapCount * 10];
|
|
|
|
void main() {
|
|
const int res = voxelgiResolution.x;
|
|
ivec3 src = ivec3(gl_GlobalInvocationID.xyz);
|
|
src.y += clipmapLevel * res;
|
|
|
|
for (int i = 0; i < 6 + DIFFUSE_CONE_COUNT; i++)
|
|
{
|
|
vec4 col = vec4(0.0);
|
|
|
|
ivec3 dst = src;
|
|
dst.x += i * res;
|
|
|
|
if (any(notEqual(vec3(clipmaps[clipmapLevel * 10 + 7], clipmaps[clipmapLevel * 10 + 8], clipmaps[clipmapLevel * 10 + 9]), vec3(0.0))))
|
|
{
|
|
ivec3 coords = ivec3(dst - vec3(clipmaps[clipmapLevel * 10 + 7], clipmaps[clipmapLevel * 10 + 8], clipmaps[clipmapLevel * 10 + 9]));
|
|
int aniso_face_start_x = i * res;
|
|
int aniso_face_end_x = aniso_face_start_x + res;
|
|
int clipmap_face_start_y = clipmapLevel * res;
|
|
int clipmap_face_end_y = clipmap_face_start_y + res;
|
|
if (
|
|
coords.x >= aniso_face_start_x && coords.x < aniso_face_end_x &&
|
|
coords.y >= clipmap_face_start_y && coords.y < clipmap_face_end_y &&
|
|
coords.z >= 0 && coords.z < res
|
|
)
|
|
col = imageLoad(voxelsB, coords);
|
|
else
|
|
col = vec4(0.0);
|
|
}
|
|
else
|
|
col = imageLoad(voxelsB, dst);
|
|
|
|
imageStore(voxelsOut, dst, col);
|
|
}
|
|
}
|