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Patch_2

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This commit is contained in:
Onek8
2026-02-24 11:44:01 -08:00
parent c9839c9be6
commit 1c3c30e6ce
34 changed files with 1629 additions and 1271 deletions
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3
leenkx/Shaders/std/brdf.glsl
View File

@ -36,7 +36,8 @@ float d_ggx(const float nh, const float a) {
vec3 specularBRDF(const vec3 f0, const float roughness, const float nl, const float nh, const float nv, const float vh) {
float a = roughness * roughness;
return d_ggx(nh, a) * g2_approx(nl, nv, a) * f_schlick(f0, vh) / max(4.0 * nv, 1e-5); //NdotL cancels out later
vec3 result = d_ggx(nh, a) * g2_approx(nl, nv, a) * f_schlick(f0, vh) / max(4.0 * nv, 1e-5); //NdotL cancels out later
return min(result, vec3(200.0));
}
// John Hable - Optimizing GGX Shaders

2
leenkx/Shaders/std/constants.glsl
View File

@ -24,7 +24,7 @@ const int DIFFUSE_CONE_COUNT = 16;
const float SHADOW_CONE_APERTURE = radians(15.0);
const float DIFFUSE_CONE_APERTURE = 0.872665; // 50 degrees in radians
const float DIFFUSE_CONE_APERTURE = 0.872665;
mat3 makeTangentBasis(const vec3 normal) {
// Create a tangent basis from normal vector

32
leenkx/Shaders/std/dof.glsl
View File

@ -8,10 +8,10 @@
// const float compoDOFLength = 160.0; // Focal length in mm 18-200
// const float compoDOFFstop = 128.0; // F-stop value
const int samples = 6; // Samples on the first ring
const int samples = 8; // Samples on the first ring
const int rings = 6; // Ring count
const vec2 focus = vec2(0.5, 0.5);
const float coc = 0.11; // Circle of confusion size in mm (35mm film = 0.03mm)
const float coc = 0.03; // Circle of confusion size in mm (35mm film = 0.03mm)
const float maxblur = 1.0;
const float threshold = 0.5; // Highlight threshold
const float gain = 2.0; // Highlight gain
@ -55,21 +55,26 @@ vec3 dof(
float f = DOFLength; // Focal length in mm
float d = fDepth * 1000.0; // Focal plane in mm
float o = depth * 1000.0; // Depth in mm
float a = (o * f) / (o - f);
float b = (d * f) / (d - f);
float c = (d - f) / (d * DOFFStop * coc);
float a = (o > f) ? (o * f) / (o - f) : 0.0;
float b = (d > f) ? (d * f) / (d - f) : 0.0;
float sensorSize = max(DOFFStop, 10.0);
float c = (d - f) / (d * sensorSize * coc);
float blur = abs(a - b) * c;
blur = clamp(blur, 0.0, 1.0);
vec2 noise = rand2(texCoord) * namount * blur;
float w = (texStep.x) * blur * maxblur + noise.x;
float h = (texStep.y) * blur * maxblur + noise.y;
vec3 col = vec3(0.0);
if (blur < 0.05) {
col = textureLod(tex, texCoord, 0.0).rgb;
}
else {
col = textureLod(tex, texCoord, 0.0).rgb;
vec3 sharpCol = textureLod(tex, texCoord, 0.0).rgb;
vec3 col = sharpCol;
float blurThreshold = 0.02;
float blurRange = 0.06;
if (blur > blurThreshold) {
float blurAmount = smoothstep(blurThreshold, blurThreshold + blurRange, blur);
vec3 blurredCol = sharpCol;
float s = 1.0;
int ringsamples;
@ -81,11 +86,12 @@ vec3 dof(
float ph = (sin(float(j) * step) * float(i));
float p = 1.0;
// if (pentagon) p = penta(vec2(pw, ph));
col += color(texCoord + vec2(pw * w, ph * h), blur, tex, texStep) * mix(1.0, (float(i)) / (float(rings)), bias) * p;
blurredCol += color(texCoord + vec2(pw * w, ph * h), blur, tex, texStep) * mix(1.0, (float(i)) / (float(rings)), bias) * p;
s += 1.0 * mix(1.0, (float(i)) / (float(rings)), bias) * p;
}
}
col /= s;
blurredCol /= s;
col = mix(sharpCol, blurredCol, blurAmount);
}
return col;
}

38
leenkx/Shaders/std/gbuffer.glsl
View File

@ -1,11 +1,11 @@
#ifndef _GBUFFER_GLSL_
#define _GBUFFER_GLSL_
vec2 octahedronWrap(const vec2 v) {
vec2 octahedronWrap(vec2 v) {
return (1.0 - abs(v.yx)) * (vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0));
}
vec3 getNor(const vec2 enc) {
vec3 getNor(vec2 enc) {
vec3 n;
n.z = 1.0 - abs(enc.x) - abs(enc.y);
n.xy = n.z >= 0.0 ? enc.xy : octahedronWrap(enc.xy);
@ -13,13 +13,13 @@ vec3 getNor(const vec2 enc) {
return n;
}
vec3 getPosView(const vec3 viewRay, const float depth, const vec2 cameraProj) {
vec3 getPosView(vec3 viewRay, float depth, vec2 cameraProj) {
float linearDepth = cameraProj.y / (cameraProj.x - depth);
//float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
return viewRay * linearDepth;
}
vec3 getPos(const vec3 eye, const vec3 eyeLook, const vec3 viewRay, const float depth, const vec2 cameraProj) {
vec3 getPos(vec3 eye, vec3 eyeLook, vec3 viewRay, float depth, vec2 cameraProj) {
// eyeLook, viewRay should be normalized
float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
float viewZDist = dot(eyeLook, viewRay);
@ -27,7 +27,7 @@ vec3 getPos(const vec3 eye, const vec3 eyeLook, const vec3 viewRay, const float
return wposition;
}
vec3 getPosNoEye(const vec3 eyeLook, const vec3 viewRay, const float depth, const vec2 cameraProj) {
vec3 getPosNoEye(vec3 eyeLook, vec3 viewRay, float depth, vec2 cameraProj) {
// eyeLook, viewRay should be normalized
float linearDepth = cameraProj.y / ((depth * 0.5 + 0.5) - cameraProj.x);
float viewZDist = dot(eyeLook, viewRay);
@ -36,10 +36,10 @@ vec3 getPosNoEye(const vec3 eyeLook, const vec3 viewRay, const float depth, cons
}
#if defined(HLSL) || defined(METAL)
vec3 getPos2(const mat4 invVP, const float depth, vec2 coord) {
vec3 getPos2(mat4 invVP, float depth, vec2 coord) {
coord.y = 1.0 - coord.y;
#else
vec3 getPos2(const mat4 invVP, const float depth, const vec2 coord) {
vec3 getPos2(mat4 invVP, float depth, vec2 coord) {
#endif
vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
pos = invVP * pos;
@ -48,10 +48,10 @@ vec3 getPos2(const mat4 invVP, const float depth, const vec2 coord) {
}
#if defined(HLSL) || defined(METAL)
vec3 getPosView2(const mat4 invP, const float depth, vec2 coord) {
vec3 getPosView2(mat4 invP, float depth, vec2 coord) {
coord.y = 1.0 - coord.y;
#else
vec3 getPosView2(const mat4 invP, const float depth, const vec2 coord) {
vec3 getPosView2(mat4 invP, float depth, vec2 coord) {
#endif
vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
pos = invP * pos;
@ -60,10 +60,10 @@ vec3 getPosView2(const mat4 invP, const float depth, const vec2 coord) {
}
#if defined(HLSL) || defined(METAL)
vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, vec2 coord) {
vec3 getPos2NoEye(vec3 eye, mat4 invVP, float depth, vec2 coord) {
coord.y = 1.0 - coord.y;
#else
vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, const vec2 coord) {
vec3 getPos2NoEye(vec3 eye, mat4 invVP, float depth, vec2 coord) {
#endif
vec4 pos = vec4(coord * 2.0 - 1.0, depth, 1.0);
pos = invVP * pos;
@ -71,24 +71,24 @@ vec3 getPos2NoEye(const vec3 eye, const mat4 invVP, const float depth, const vec
return pos.xyz - eye;
}
float packFloat(const float f1, const float f2) {
float packFloat(float f1, float f2) {
return floor(f1 * 100.0) + min(f2, 1.0 - 1.0 / 100.0);
}
vec2 unpackFloat(const float f) {
vec2 unpackFloat(float f) {
return vec2(floor(f) / 100.0, fract(f));
}
float packFloat2(const float f1, const float f2) {
float packFloat2(float f1, float f2) {
// Higher f1 = less precise f2
return floor(f1 * 255.0) + min(f2, 1.0 - 1.0 / 100.0);
}
vec2 unpackFloat2(const float f) {
vec2 unpackFloat2(float f) {
return vec2(floor(f) / 255.0, fract(f));
}
vec4 encodeRGBM(const vec3 rgb) {
vec4 encodeRGBM(vec3 rgb) {
const float maxRange = 6.0;
float maxRGB = max(rgb.x, max(rgb.g, rgb.b));
float m = maxRGB / maxRange;
@ -96,7 +96,7 @@ vec4 encodeRGBM(const vec3 rgb) {
return vec4(rgb / (m * maxRange), m);
}
vec3 decodeRGBM(const vec4 rgbm) {
vec3 decodeRGBM(vec4 rgbm) {
const float maxRange = 6.0;
return rgbm.rgb * rgbm.a * maxRange;
}
@ -150,7 +150,7 @@ vec3 decNor(uint val) {
/**
Packs a float in [0, 1] and an integer in [0..15] into a single 16 bit float value.
**/
float packFloatInt16(const float f, const uint i) {
float packFloatInt16(float f, uint i) {
const uint numBitFloat = 12;
const float maxValFloat = float((1 << numBitFloat) - 1);
@ -160,7 +160,7 @@ float packFloatInt16(const float f, const uint i) {
return float(bitsInt | bitsFloat);
}
void unpackFloatInt16(const float val, out float f, out uint i) {
void unpackFloatInt16(float val, out float f, out uint i) {
const uint numBitFloat = 12;
const float maxValFloat = float((1 << numBitFloat) - 1);

653
leenkx/Shaders/std/light.glsl
View File

@ -158,7 +158,7 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
#endif
direct *= attenuate(distance(p, lp));
direct *= lightCol;
direct *= min(lightCol, vec3(100.0));
#ifdef _MicroShadowing
direct *= clamp(dotNL + 2.0 * occ * occ - 1.0, 0.0, 1.0);
@ -181,55 +181,55 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
#ifdef _ShadowMap
if (receiveShadow) {
#ifdef _SinglePoint
vec4 lPos = LWVPSpot[0] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpot[0] * vec4(p + n * bias * 2, 1.0);
direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#ifdef _Clusters
vec4 lPos = LWVPSpot[index] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpot[index] * vec4(p + n * bias * 2, 1.0);
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
}
#endif
@ -243,76 +243,76 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
#ifdef _ShadowMap
if (receiveShadow) {
#ifdef _SinglePoint
vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 2, 1.0);
direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#ifdef _Clusters
vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 2, 1.0);
#ifdef _ShadowMapAtlas
direct *= shadowTest(
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasSpot
#else
shadowMapAtlas
#endif
#endif
, lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasSpot
#else
shadowMapAtlas
#endif
#endif
, lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#else
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
}
@ -330,74 +330,74 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
#ifdef _SinglePoint
#ifndef _Spot
direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
#ifdef _Clusters
#ifdef _ShadowMapAtlas
direct *= PCFFakeCube(
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasPoint, shadowMapAtlasPointTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasPoint
#else
shadowMapAtlas
#endif
#endif
, ld, -l, bias, lightProj, n, index
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasPoint, shadowMapAtlasPointTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasPoint
#else
shadowMapAtlas
#endif
#endif
, ld, -l, bias, lightProj, n, index
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#else
if (index == 0) direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
if (index == 0) direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= PCFCube(shadowMapPoint[1],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[1],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[1],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= PCFCube(shadowMapPoint[2],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[2],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[2],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= PCFCube(shadowMapPoint[3],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[3],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[3],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
}
@ -445,61 +445,62 @@ vec3 sampleLightVoxels(const vec3 p, const vec3 n, const vec3 v, const float dot
#endif
direct *= attenuate(distance(p, lp));
direct *= lightCol;
// CRITICAL: Clamp light color to prevent extreme HDR values causing white sphere artifacts
direct *= min(lightCol, vec3(100.0));
#ifdef _LTC
#ifdef _ShadowMap
if (receiveShadow) {
#ifdef _SinglePoint
vec4 lPos = LWVPSpot[0] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpot[0] * vec4(p + n * bias * 2, 1.0);
direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#ifdef _Clusters
vec4 lPos = LWVPSpot[index] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpot[index] * vec4(p + n * bias * 2, 1.0);
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
}
#endif
@ -513,76 +514,76 @@ vec3 sampleLightVoxels(const vec3 p, const vec3 n, const vec3 v, const float dot
#ifdef _ShadowMap
if (receiveShadow) {
#ifdef _SinglePoint
vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 2, 1.0);
direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#ifdef _Clusters
vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 10, 1.0);
vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 2, 1.0);
#ifdef _ShadowMapAtlas
direct *= shadowTest(
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasSpot
#else
shadowMapAtlas
#endif
#endif
, lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasSpot
#else
shadowMapAtlas
#endif
#endif
, lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#else
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
if (index == 0) direct *= shadowTest(shadowMapSpot[0],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[0],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[1],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[2],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapSpotTransparent[3],
#endif
lPos.xyz / lPos.w, bias
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
}
@ -600,74 +601,74 @@ vec3 sampleLightVoxels(const vec3 p, const vec3 n, const vec3 v, const float dot
#ifdef _SinglePoint
#ifndef _Spot
direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
#ifdef _Clusters
#ifdef _ShadowMapAtlas
direct *= PCFFakeCube(
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasPoint, shadowMapAtlasPointTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasPoint
#else
shadowMapAtlas
#endif
#endif
, ld, -l, bias, lightProj, n, index
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
#ifndef _SingleAtlas
shadowMapAtlasPoint, shadowMapAtlasPointTransparent
#else
shadowMapAtlas, shadowMapAtlasTransparent
#endif
#else
#ifndef _SingleAtlas
shadowMapAtlasPoint
#else
shadowMapAtlas
#endif
#endif
, ld, -l, bias, lightProj, n, index
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#else
if (index == 0) direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
if (index == 0) direct *= PCFCube(shadowMapPoint[0],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[0],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 1) direct *= PCFCube(shadowMapPoint[1],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[1],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[1],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 2) direct *= PCFCube(shadowMapPoint[2],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[2],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[2],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
else if (index == 3) direct *= PCFCube(shadowMapPoint[3],
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[3],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapPointTransparent[3],
#endif
ld, -l, bias, lightProj, n
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
#endif
}

38
leenkx/Shaders/std/morph_target.glsl
View File

@ -5,6 +5,7 @@ uniform vec2 morphDataDim;
uniform vec4 morphWeights[8];
void getMorphedVertex(vec2 uvCoord, inout vec3 A){
vec3 totalDelta = vec3(0.0);
for(int i = 0; i<8; i++ )
{
vec4 tempCoordY = vec4( uvCoord.y - (i * 4) * morphDataDim.y,
@ -13,21 +14,28 @@ void getMorphedVertex(vec2 uvCoord, inout vec3 A){
uvCoord.y - (i * 4 + 3) * morphDataDim.y);
vec3 morph = texture(morphDataPos, vec2(uvCoord.x, tempCoordY.x)).rgb * morphScaleOffset.x + morphScaleOffset.y;
A += morphWeights[i].x * morph;
totalDelta += morphWeights[i].x * morph;
morph = texture(morphDataPos, vec2(uvCoord.x, tempCoordY.y)).rgb * morphScaleOffset.x + morphScaleOffset.y;
A += morphWeights[i].y * morph;
totalDelta += morphWeights[i].y * morph;
morph = texture(morphDataPos, vec2(uvCoord.x, tempCoordY.z)).rgb * morphScaleOffset.x + morphScaleOffset.y;
A += morphWeights[i].z * morph;
totalDelta += morphWeights[i].z * morph;
morph = texture(morphDataPos, vec2(uvCoord.x, tempCoordY.w)).rgb * morphScaleOffset.x + morphScaleOffset.y;
A += morphWeights[i].w * morph;
totalDelta += morphWeights[i].w * morph;
}
//float deltaLength = length(totalDelta);
//if (deltaLength > 5.0) {
// clamp corrupted data
//totalDelta = normalize(totalDelta) * 5.0;
//}
A += totalDelta;
}
void getMorphedNormal(vec2 uvCoord, vec3 oldNor, inout vec3 morphNor){
vec3 normalDelta = vec3(0.0);
for(int i = 0; i<8; i++ )
{
vec4 tempCoordY = vec4( uvCoord.y - (i * 4) * morphDataDim.y,
@ -35,19 +43,11 @@ void getMorphedNormal(vec2 uvCoord, vec3 oldNor, inout vec3 morphNor){
uvCoord.y - (i * 4 + 2) * morphDataDim.y,
uvCoord.y - (i * 4 + 3) * morphDataDim.y);
vec3 norm = oldNor + morphWeights[i].x * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.x)).rgb * 2.0 - 1.0);
morphNor += norm;
norm = oldNor + morphWeights[i].y * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.y)).rgb * 2.0 - 1.0);
morphNor += norm;
norm = oldNor + morphWeights[i].z * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.z)).rgb * 2.0 - 1.0);
morphNor += norm;
norm = oldNor + morphWeights[i].w * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.w)).rgb * 2.0 - 1.0);
morphNor += norm;
normalDelta += morphWeights[i].x * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.x)).rgb * 2.0 - 1.0);
normalDelta += morphWeights[i].y * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.y)).rgb * 2.0 - 1.0);
normalDelta += morphWeights[i].z * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.z)).rgb * 2.0 - 1.0);
normalDelta += morphWeights[i].w * (texture(morphDataNor, vec2(uvCoord.x, tempCoordY.w)).rgb * 2.0 - 1.0);
}
morphNor = normalize(morphNor);
morphNor = normalize(oldNor + normalDelta);
}

1
leenkx/Shaders/std/shader_datas.lnx Normal file
View File

@ -0,0 +1 @@
<EFBFBD><EFBFBD>shader_datas<EFBFBD><EFBFBD><EFBFBD>name<EFBFBD>copy_pass<EFBFBD>contexts<EFBFBD><EFBFBD><EFBFBD>name<EFBFBD>copy_pass<EFBFBD>constants<EFBFBD><EFBFBD>texture_units<EFBFBD><EFBFBD><EFBFBD>name<EFBFBD>tex<EFBFBD>vertex_elements<EFBFBD><EFBFBD><EFBFBD>data<EFBFBD>float2<EFBFBD>name<EFBFBD>pos<EFBFBD>vertex_shader<EFBFBD>pass.vert<72>fragment_shader<65>pass_copy.frag<61>depth_write¬compare_mode<64>always<79>cull_mode<64>none<6E><65>name<6D>compositor_pass<73>contexts<74><73><EFBFBD>name<6D>compositor_pass<73>constants<74><73>texture_units<74><73><EFBFBD>name<6D>tex<65>vertex_elements<74><73><EFBFBD>data<74>float2<74>name<6D>pos<6F>vertex_shader<65>compositor_pass.vert<72>fragment_shader<65>compositor_pass.frag<61>depth_write¬compare_mode<64>always<79>cull_mode<64>none<6E><65>name<6D>deferred_light<68>contexts<74><73><EFBFBD>name<6D>deferred_light<68>constants<74><73><EFBFBD>type<70>mat4<74>name<6D>invVP<56>link<6E>_inverseViewProjectionMatrix<69><78>type<70>vec3<63>name<6D>eye<79>link<6E>_cameraPosition<6F><6E>type<70>float<61>name<6D>envmapStrength<74>link<6E>_envmapStrength<74><68>type<70>floats<74>name<6D>shirr<72>link<6E>_envmapIrradiance<63><65>type<70>int<6E>name<6D>envmapNumMipmaps<70>link<6E>_envmapNumMipmaps<70><73>type<70>vec2<63>name<6D>cameraProj<6F>link<6E>_cameraPlaneProj<6F><6A>type<70>vec3<63>name<6D>eyeLook<6F>link<6E>_cameraLook<6F><6B>type<70>vec2<63>name<6D>lightProj<6F>link<6E>_lightPlaneProj<6F><6A>type<70>vec3<63>name<6D>pointPos<6F>link<6E>_pointPosition<6F><6E>type<70>vec3<63>name<6D>pointCol<6F>link<6E>_pointColor<6F><72>type<70>float<61>name<6D>pointBias<61>link<6E>_pointShadowsBias<61>texture_units<74><73><EFBFBD>name<6D>gbufferD<72><44>name<6D>gbuffer0<72><30>name<6D>gbuffer1<72><31>name<6D>senvmapBrdf<64>link<6E>$brdf.png<6E><67>name<6D>senvmapRadiance<63>link<6E>_envmapRadiance<63><65>name<6D>shadowMapPoint[0]<5D>vertex_elements<74><73><EFBFBD>data<74>float2<74>name<6D>pos<6F>vertex_shader<65>pass_viewray.vert<72>fragment_shader<65>deferred_light.frag<61>color_attachments<74><73>RGBA64<36>depth_write¬compare_mode<64>always<79>cull_mode<64>none<6E><65>name<6D>water_pass<73>contexts<74><73><EFBFBD>name<6D>water_pass<73>constants<74><73><EFBFBD>type<70>mat4<74>name<6D>invVP<56><50>type<70>vec3<63>name<6D>eye<79>link<6E>_cameraPosition<6F><6E>type<70>float<61>name<6D>time<6D>link<6E>_time<6D><65>type<70>float<61>name<6D>holoOverallStrength<74><68>type<70>vec2<63>name<6D>cameraProj<6F>link<6E>_cameraPlaneProj<6F><6A>type<70>vec3<63>name<6D>eyeLook<6F>link<6E>_cameraLook<6F><6B>type<70>vec3<63>name<6D>ld<6C>link<6E>_lightDirection<6F>texture_units<74><73><EFBFBD>name<6D>tex<65><78>name<6D>gbufferD<72><44>name<6D>gbuffer0<72>vertex_elements<74><73><EFBFBD>data<74>float2<74>name<6D>pos<6F>vertex_shader<65>pass_viewray.vert<72>fragment_shader<65>water_pass.frag<61>depth_write¬compare_mode<64>always<79>cull_mode<64>none<6E>blend_source<63>source_alpha<68>blend_destination<6F>inverse_source_alpha<68>blend_operation<6F>add<64>alpha_blend_source<63>blend_one<6E>alpha_blend_destination<6F>blend_one<6E>alpha_blend_operation<6F>add<64><64>contexts<74><73><EFBFBD>name<6D>World_World<6C>depth_write¬compare_mode<64>less<73>cull_mode<64>clockwise<73>vertex_elements<74><73><EFBFBD>name<6D>pos<6F>data<74>float3<74><33>name<6D>nor<6F>data<74>float3<74>color_attachments<74><73>_HDR<44>texture_units<74><73>constants<74><73><EFBFBD>name<6D>SMVP<56>type<70>mat4<74>link<6E>_skydomeMatrix<69>vertex_shader<65>World_World.vert<72>fragment_shader<65>World_World.frag<61>name<6D>World_World

163
leenkx/Shaders/std/shadows.glsl
View File

@ -23,6 +23,59 @@ uniform vec2 smSizeUniform;
#endif
#ifdef _ShadowMapAtlas
// PCF that clamps samples to tile boundaries to prevent bleeding
vec3 PCFTileAware(sampler2DShadow shadowMap,
#ifdef _ShadowMapTransparent
sampler2D shadowMapTransparent,
#endif
const vec2 uv, const float compare, const vec2 smSize,
const vec2 tileMin, const vec2 tileMax
#ifdef _ShadowMapTransparent
, const bool transparent
#endif
) {
vec3 result = vec3(0.0);
vec2 offset;
offset = vec2(-1.0, -1.0) / smSize;
result.x = texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(-1.0, 0.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(-1.0, 1.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(0.0, -1.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
result.x += texture(shadowMap, vec3(uv, compare));
offset = vec2(0.0, 1.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(1.0, -1.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(1.0, 0.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
offset = vec2(1.0, 1.0) / smSize;
result.x += texture(shadowMap, vec3(clamp(uv + offset, tileMin, tileMax), compare));
result = result.xxx / 9.0;
#ifdef _ShadowMapTransparent
if (transparent == false) {
vec4 shadowmap_transparent = texture(shadowMapTransparent, uv);
if (shadowmap_transparent.a < compare)
result *= shadowmap_transparent.rgb;
}
#endif
return result;
}
// https://www.khronos.org/registry/OpenGL/specs/gl/glspec20.pdf // p:168
// https://www.gamedev.net/forums/topic/687535-implementing-a-cube-map-lookup-function/5337472/
vec2 sampleCube(vec3 dir, out int faceIndex) {
@ -251,7 +304,7 @@ vec3 PCFFakeCube(sampler2DShadow shadowMap,
#endif
if (any(lessThan(uvtiled, vec2(0.0))) || any(greaterThan(uvtiled, vec2(1.0)))) {
return vec3(1.0); // Handle edge cases by returning full light
return vec3(1.0);
}
vec3 result = vec3(0.0);
@ -334,30 +387,55 @@ vec3 PCFFakeCube(sampler2DShadow shadowMap,
}
#endif
#ifdef _ShadowMapAtlas
uniform vec4 tileBounds;
#endif
vec3 shadowTest(sampler2DShadow shadowMap,
#ifdef _ShadowMapTransparent
sampler2D shadowMapTransparent,
#endif
const vec3 lPos, const float shadowsBias
#ifdef _ShadowMapTransparent
, const bool transparent
#endif
) {
#ifdef _ShadowMapTransparent
sampler2D shadowMapTransparent,
#endif
const vec3 lPos, const float shadowsBias
#ifdef _ShadowMapTransparent
, const bool transparent
#endif
) {
if (lPos.x < 0.0 || lPos.y < 0.0 || lPos.x > 1.0 || lPos.y > 1.0) return vec3(1.0);
#ifdef _ShadowMapAtlas
// use tile PCF
#ifdef _SMSizeUniform
vec2 smSizeAtlas = smSizeUniform;
#else
const vec2 smSizeAtlas = shadowmapSize;
#endif
return PCFTileAware(shadowMap,
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSizeAtlas,
tileBounds.xy, tileBounds.zw
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#else
// use PCF for non-atlas shadows
#ifdef _SMSizeUniform
vec2 smSize = smSizeUniform;
#else
const vec2 smSize = shadowmapSize;
#endif
if (lPos.x < 0.0 || lPos.y < 0.0 || lPos.x > 1.0 || lPos.y > 1.0) return vec3(1.0);
return PCF(shadowMap,
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#endif
}
#ifdef _CSM
@ -390,14 +468,14 @@ mat4 getCascadeMat(const float d, out int casi, out int casIndex) {
}
vec3 shadowTestCascade(sampler2DShadow shadowMap,
#ifdef _ShadowMapTransparent
sampler2D shadowMapTransparent,
#endif
const vec3 eye, const vec3 p, const float shadowsBias
#ifdef _ShadowMapTransparent
, const bool transparent
#endif
) {
#ifdef _ShadowMapTransparent
sampler2D shadowMapTransparent,
#endif
const vec3 eye, const vec3 p, const float shadowsBias
#ifdef _ShadowMapTransparent
, const bool transparent
#endif
) {
#ifdef _SMSizeUniform
vec2 smSize = smSizeUniform;
#else
@ -413,14 +491,14 @@ vec3 shadowTestCascade(sampler2DShadow shadowMap,
vec3 visibility = vec3(1.0);
if (lPos.w > 0.0) visibility = PCF(shadowMap,
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
// Blend cascade
// https://github.com/TheRealMJP/Shadows
@ -439,15 +517,16 @@ vec3 shadowTestCascade(sampler2DShadow shadowMap,
vec4 lPos2 = LWVP2 * vec4(p, 1.0);
lPos2.xyz /= lPos2.w;
vec3 visibility2 = vec3(1.0);
// use lPos2 coordinates for second cascade, not lPos
if (lPos2.w > 0.0) visibility2 = PCF(shadowMap,
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos.xy, lPos.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
#ifdef _ShadowMapTransparent
shadowMapTransparent,
#endif
lPos2.xy, lPos2.z - shadowsBias, smSize
#ifdef _ShadowMapTransparent
, transparent
#endif
);
float lerpAmt = smoothstep(0.0, blendThres, splitDist);
return mix(visibility2, visibility, lerpAmt);

56
leenkx/Shaders/std/voxels_constants.glsl Normal file
View File

@ -0,0 +1,56 @@
/*
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.
*/
const int DIFFUSE_CONE_COUNT = 16;
const float DIFFUSE_CONE_APERTURE = radians(45.0);
const vec3 DIFFUSE_CONE_DIRECTIONS[16] = {
vec3(0.0000, 0.0000, 1.0000), // Central direction
vec3(0.3827, 0.0000, 0.9239), // Ring 1
vec3(-0.3827, 0.0000, 0.9239),
vec3(0.0000, 0.3827, 0.9239),
vec3(0.0000, -0.3827, 0.9239),
vec3(0.2706, 0.2706, 0.9239), // Ring 2
vec3(-0.2706, 0.2706, 0.9239),
vec3(0.2706, -0.2706, 0.9239),
vec3(-0.2706, -0.2706, 0.9239),
vec3(0.1802, 0.3604, 0.9239), // Ring 3
vec3(-0.1802, 0.3604, 0.9239),
vec3(0.1802, -0.3604, 0.9239),
vec3(-0.1802, -0.3604, 0.9239),
vec3(0.3604, 0.1802, 0.9239),
vec3(-0.3604, 0.1802, 0.9239),
vec3(0.3604, -0.1802, 0.9239)
};
const float BayerMatrix8[8][8] =
{
{ 1.0 / 65.0, 49.0 / 65.0, 13.0 / 65.0, 61.0 / 65.0, 4.0 / 65.0, 52.0 / 65.0, 16.0 / 65.0, 64.0 / 65.0 },
{ 33.0 / 65.0, 17.0 / 65.0, 45.0 / 65.0, 29.0 / 65.0, 36.0 / 65.0, 20.0 / 65.0, 48.0 / 65.0, 32.0 / 65.0 },
{ 9.0 / 65.0, 57.0 / 65.0, 5.0 / 65.0, 53.0 / 65.0, 12.0 / 65.0, 60.0 / 65.0, 8.0 / 65.0, 56.0 / 65.0 },
{ 41.0 / 65.0, 25.0 / 65.0, 37.0 / 65.0, 21.0 / 65.0, 44.0 / 65.0, 28.0 / 65.0, 40.0 / 65.0, 24.0 / 65.0 },
{ 3.0 / 65.0, 51.0 / 65.0, 15.0 / 65.0, 63.0 / 65.0, 2.0 / 65.0, 50.0 / 65.0, 14.0 / 65.0, 62.0 / 65.0 },
{ 35.0 / 65.0, 19.0 / 65.0, 47.0 / 65.0, 31.0 / 65.0, 34.0 / 65.0, 18.0 / 65.0, 46.0 / 65.0, 30.0 / 65.0 },
{ 11.0 / 65.0, 59.0 / 65.0, 7.0 / 65.0, 55.0 / 65.0, 10.0 / 65.0, 58.0 / 65.0, 6.0 / 65.0, 54.0 / 65.0 },
{ 43.0 / 65.0, 27.0 / 65.0, 39.0 / 65.0, 23.0 / 65.0, 42.0 / 65.0, 26.0 / 65.0, 38.0 / 65.0, 22.0 / 65.0 }
};