clara/bluenoise-raytracer
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Refactoring

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This commit is contained in:
mklefrancois 2021-09-07 09:42:21 +02:00
parent 3e399adf0a
commit d90ce79135
222 changed files with 9045 additions and 5734 deletions
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43
ray_tracing_jitter_cam/shaders/raytrace.rgen
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@ -20,39 +20,26 @@
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_GOOGLE_include_directive : enable
#extension GL_EXT_shader_explicit_arithmetic_types_int64 : require
#include "random.glsl"
#include "raycommon.glsl"
#include "wavefront.glsl"
layout(binding = 0, set = 0) uniform accelerationStructureEXT topLevelAS;
layout(binding = 1, set = 0, rgba32f) uniform image2D image;
// clang-format off
layout(location = 0) rayPayloadEXT hitPayload prd;
layout(binding = 0, set = 1) uniform CameraProperties
{
mat4 view;
mat4 proj;
mat4 viewInverse;
mat4 projInverse;
}
cam;
layout(push_constant) uniform Constants
{
vec4 clearColor;
vec3 lightPosition;
float lightIntensity;
int lightType;
int frame;
}
pushC;
layout(set = 0, binding = eTlas) uniform accelerationStructureEXT topLevelAS;
layout(set = 0, binding = eOutImage, rgba32f) uniform image2D image;
layout(set = 1, binding = eGlobals) uniform _GlobalUniforms { GlobalUniforms uni; };
layout(push_constant) uniform _PushConstantRay { PushConstantRay pcRay; };
// clang-format on
const int NBSAMPLES = 10;
void main()
{
// Initialize the random number
uint seed = tea(gl_LaunchIDEXT.y * gl_LaunchSizeEXT.x + gl_LaunchIDEXT.x, pushC.frame);
uint seed = tea(gl_LaunchIDEXT.y * gl_LaunchSizeEXT.x + gl_LaunchIDEXT.x, pcRay.frame);
vec3 hitValues = vec3(0);
@ -63,15 +50,15 @@ void main()
float r2 = rnd(seed);
// Subpixel jitter: send the ray through a different position inside the pixel
// each time, to provide antialiasing.
vec2 subpixel_jitter = pushC.frame == 0 ? vec2(0.5f, 0.5f) : vec2(r1, r2);
vec2 subpixel_jitter = pcRay.frame == 0 ? vec2(0.5f, 0.5f) : vec2(r1, r2);
const vec2 pixelCenter = vec2(gl_LaunchIDEXT.xy) + subpixel_jitter;
const vec2 inUV = pixelCenter / vec2(gl_LaunchSizeEXT.xy);
vec2 d = inUV * 2.0 - 1.0;
vec4 origin = cam.viewInverse * vec4(0, 0, 0, 1);
vec4 target = cam.projInverse * vec4(d.x, d.y, 1, 1);
vec4 direction = cam.viewInverse * vec4(normalize(target.xyz), 0);
vec4 origin = uni.viewInverse * vec4(0, 0, 0, 1);
vec4 target = uni.projInverse * vec4(d.x, d.y, 1, 1);
vec4 direction = uni.viewInverse * vec4(normalize(target.xyz), 0);
uint rayFlags = gl_RayFlagsOpaqueEXT;
float tMin = 0.001;
@ -94,9 +81,9 @@ void main()
prd.hitValue = hitValues / NBSAMPLES;
// Do accumulation over time
if(pushC.frame > 0)
if(pcRay.frame > 0)
{
float a = 1.0f / float(pushC.frame + 1);
float a = 1.0f / float(pcRay.frame + 1);
vec3 old_color = imageLoad(image, ivec2(gl_LaunchIDEXT.xy)).xyz;
imageStore(image, ivec2(gl_LaunchIDEXT.xy), vec4(mix(old_color, prd.hitValue, a), 1.f));
}