Add shaders back (sorry)
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redstrate
parent
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commit
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45 changed files with 4032 additions and 0 deletions
1
engine/shaders/PrismEditoroptions.json
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1
engine/shaders/PrismEditoroptions.json
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{"files":[],"height":856,"width":1269,"x":336,"y":437}
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107
engine/shaders/atmosphere.glsl
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107
engine/shaders/atmosphere.glsl
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#define PI 3.141592
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#define iSteps 16
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#define jSteps 8
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vec2 rsi(vec3 r0, vec3 rd, float sr) {
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// ray-sphere intersection that assumes
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// the sphere is centered at the origin.
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// No intersection when result.x > result.y
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float a = dot(rd, rd);
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float b = 2.0 * dot(rd, r0);
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float c = dot(r0, r0) - (sr * sr);
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float d = (b*b) - 4.0*a*c;
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if (d < 0.0) return vec2(1e5,-1e5);
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return vec2(
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(-b - sqrt(d))/(2.0*a),
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(-b + sqrt(d))/(2.0*a)
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);
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}
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vec3 atmosphere(vec3 r, vec3 r0, vec3 pSun, float iSun, float rPlanet, float rAtmos, vec3 kRlh, float kMie, float shRlh, float shMie, float g) {
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// Normalize the sun and view directions.
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pSun = normalize(pSun);
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r = normalize(r);
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// Calculate the step size of the primary ray.
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vec2 p = rsi(r0, r, rAtmos);
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if (p.x > p.y) return vec3(0,0,0);
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p.y = min(p.y, rsi(r0, r, rPlanet).x);
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float iStepSize = (p.y - p.x) / float(iSteps);
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// Initialize the primary ray time.
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float iTime = 0.0;
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// Initialize accumulators for Rayleigh and Mie scattering.
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vec3 totalRlh = vec3(0,0,0);
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vec3 totalMie = vec3(0,0,0);
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// Initialize optical depth accumulators for the primary ray.
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float iOdRlh = 0.0;
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float iOdMie = 0.0;
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// Calculate the Rayleigh and Mie phases.
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float mu = dot(r, pSun);
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float mumu = mu * mu;
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float gg = g * g;
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float pRlh = 3.0 / (16.0 * PI) * (1.0 + mumu);
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float pMie = 3.0 / (8.0 * PI) * ((1.0 - gg) * (mumu + 1.0)) / (pow(1.0 + gg - 2.0 * mu * g, 1.5) * (2.0 + gg));
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// Sample the primary ray.
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for (int i = 0; i < iSteps; i++) {
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// Calculate the primary ray sample position.
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vec3 iPos = r0 + r * (iTime + iStepSize * 0.5);
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// Calculate the height of the sample.
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float iHeight = length(iPos) - rPlanet;
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// Calculate the optical depth of the Rayleigh and Mie scattering for this step.
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float odStepRlh = exp(-iHeight / shRlh) * iStepSize;
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float odStepMie = exp(-iHeight / shMie) * iStepSize;
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// Accumulate optical depth.
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iOdRlh += odStepRlh;
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iOdMie += odStepMie;
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// Calculate the step size of the secondary ray.
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float jStepSize = rsi(iPos, pSun, rAtmos).y / float(jSteps);
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// Initialize the secondary ray time.
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float jTime = 0.0;
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// Initialize optical depth accumulators for the secondary ray.
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float jOdRlh = 0.0;
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float jOdMie = 0.0;
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// Sample the secondary ray.
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for (int j = 0; j < jSteps; j++) {
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// Calculate the secondary ray sample position.
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vec3 jPos = iPos + pSun * (jTime + jStepSize * 0.5);
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// Calculate the height of the sample.
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float jHeight = length(jPos) - rPlanet;
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// Accumulate the optical depth.
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jOdRlh += exp(-jHeight / shRlh) * jStepSize;
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jOdMie += exp(-jHeight / shMie) * jStepSize;
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// Increment the secondary ray time.
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jTime += jStepSize;
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}
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// Calculate attenuation.
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vec3 attn = exp(-(kMie * (iOdMie + jOdMie) + kRlh * (iOdRlh + jOdRlh)));
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// Accumulate scattering.
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totalRlh += odStepRlh * attn;
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totalMie += odStepMie * attn;
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// Increment the primary ray time.
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iTime += iStepSize;
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}
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// Calculate and return the final color.
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return iSun * (pRlh * kRlh * totalRlh + pMie * kMie * totalMie);
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}
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17
engine/shaders/billboard.frag.glsl
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17
engine/shaders/billboard.frag.glsl
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layout (location = 0) in vec2 inUV;
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layout (location = 0) out vec4 outColor;
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layout(push_constant, binding = 1) uniform readonly PushConstant{
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mat4 mvp;
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vec4 color;
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};
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layout (binding = 2) uniform sampler2D colorSampler;
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void main() {
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if(inUV.y < 0.0 || inUV.x > 1.0)
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discard;
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outColor = texture(colorSampler, inUV) * color;
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}
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25
engine/shaders/billboard.vert.glsl
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engine/shaders/billboard.vert.glsl
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layout (location = 0) out vec2 outUV;
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layout(push_constant, binding = 1) uniform readonly PushConstant{
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mat4 mvp;
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vec4 color;
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};
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layout(std430, binding = 3) buffer readonly SceneInformation {
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mat4 view;
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};
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void main() {
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vec2 p = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
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outUV = vec2(p.x, 1.0 - p.y);
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p = p * 2.0f + -1.0f;
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const vec3 right = {view[0][0], view[1][0], view[2][0]};
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const vec3 up = {view[0][1], view[1][1], view[2][1]};
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vec3 position = right * p.x * 0.25 + up * p.y * 0.25;
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gl_Position = mvp * vec4(position, 1.0);
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}
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16
engine/shaders/blend.frag.glsl
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engine/shaders/blend.frag.glsl
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#define SMAA_INCLUDE_PS 1
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#include "smaa_common.glsl"
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layout(location = 0) in vec2 inUV;
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layout(location = 1) in vec4 inOffset[3];
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layout(location = 5) in vec2 inPixUV;
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layout(location = 0) out vec4 outColor;
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layout(binding = 0) uniform sampler2D edgeSampler;
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layout(binding = 1) uniform sampler2D areaSampler;
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layout(binding = 3) uniform sampler2D searchSampler;
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void main() {
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outColor = SMAABlendingWeightCalculationPS(inUV, inPixUV, inOffset, edgeSampler, areaSampler, searchSampler, ivec4(0));
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}
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14
engine/shaders/blend.vert.glsl
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14
engine/shaders/blend.vert.glsl
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#define SMAA_INCLUDE_VS 1
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#define SMAA_INCLUDE_PS 0
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#include "smaa_common.glsl"
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layout(location = 0) out vec2 outUV;
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layout(location = 1) out vec4 outOffset[3];
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layout(location = 5) out vec2 outPixUV;
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void main() {
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outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
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gl_Position = correctionMatrix * vec4(outUV * 2.0 + -1.0, 0.0, 1.0);
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SMAABlendingWeightCalculationVS(outUV, outPixUV, outOffset);
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}
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48
engine/shaders/brdf.frag.glsl
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engine/shaders/brdf.frag.glsl
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#include "common.nocompile.glsl"
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layout(location = 0) in vec2 inUV;
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layout(location = 0) out vec2 outColor;
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vec2 IntegrateBRDF(float NdotV, float roughness) {
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vec3 V;
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V.x = sqrt(1.0 - NdotV*NdotV);
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V.y = 1.0;
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V.z = NdotV;
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float A = 0.0;
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float B = 0.0;
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const vec3 N = vec3(0.0, 0.0, 1.0);
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const uint SAMPLE_COUNT = 1024u;
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for(uint i = 0u; i < SAMPLE_COUNT; ++i) {
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// generates a sample vector that's biased towards the
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// preferred alignment direction (importance sampling).
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const vec2 Xi = hammersley(i, SAMPLE_COUNT);
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const vec3 H = importance_sample_ggx(Xi, N, roughness);
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const vec3 L = 2.0 * dot(V, H) * H - V;
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const float NdotL = max(L.z, 0.0);
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const float NdotH = max(H.z, 0.0);
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const float VdotH = max(dot(V, H), 0.0);
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if(NdotL > 0.0) {
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const float G = geometry_smith(N, V, L, roughness);
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const float G_Vis = (G * VdotH) / (NdotH * NdotV);
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const float Fc = pow(1.0 - VdotH, 5.0);
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A += (1.0 - Fc) * G_Vis;
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B += Fc * G_Vis;
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}
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}
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A /= float(SAMPLE_COUNT);
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B /= float(SAMPLE_COUNT);
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return vec2(A, B);
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}
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void main() {
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outColor = IntegrateBRDF(inUV.x, inUV.y);
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}
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6
engine/shaders/brdf.vert.glsl
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6
engine/shaders/brdf.vert.glsl
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layout(location = 0) out vec2 outUV;
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void main() {
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outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
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gl_Position = vec4(outUV * 2.0 + -1.0, 0.0, 1.0);
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}
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10
engine/shaders/color.frag.glsl
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10
engine/shaders/color.frag.glsl
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layout (location = 0) out vec4 outColor;
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layout(push_constant, binding = 1) uniform PushConstant{
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mat4 mvp;
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vec4 color;
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};
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void main() {
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outColor = color;
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}
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10
engine/shaders/color.vert.glsl
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engine/shaders/color.vert.glsl
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layout (location = 0) in vec3 inPosition;
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layout(push_constant, binding = 1) uniform PushConstant{
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mat4 mvp;
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vec4 color;
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};
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void main() {
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gl_Position = mvp * vec4(inPosition, 1.0);
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}
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161
engine/shaders/common.nocompile.glsl
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engine/shaders/common.nocompile.glsl
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const float PI = 3.14159265359;
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const float EPSILON = 0.005;
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const vec2 PoissonOffsets[64] = {
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vec2(0.0617981, 0.07294159),
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vec2(0.6470215, 0.7474022),
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vec2(-0.5987766, -0.7512833),
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vec2(-0.693034, 0.6913887),
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vec2(0.6987045, -0.6843052),
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vec2(-0.9402866, 0.04474335),
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vec2(0.8934509, 0.07369385),
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vec2(0.1592735, -0.9686295),
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vec2(-0.05664673, 0.995282),
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vec2(-0.1203411, -0.1301079),
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vec2(0.1741608, -0.1682285),
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vec2(-0.09369049, 0.3196758),
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vec2(0.185363, 0.3213367),
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vec2(-0.1493771, -0.3147511),
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vec2(0.4452095, 0.2580113),
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vec2(-0.1080467, -0.5329178),
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vec2(0.1604507, 0.5460774),
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vec2(-0.4037193, -0.2611179),
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vec2(0.5947998, -0.2146744),
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vec2(0.3276062, 0.9244621),
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vec2(-0.6518704, -0.2503952),
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vec2(-0.3580975, 0.2806469),
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vec2(0.8587891, 0.4838005),
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vec2(-0.1596546, -0.8791054),
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vec2(-0.3096867, 0.5588146),
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vec2(-0.5128918, 0.1448544),
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vec2(0.8581337, -0.424046),
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vec2(0.1562584, -0.5610626),
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vec2(-0.7647934, 0.2709858),
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vec2(-0.3090832, 0.9020988),
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vec2(0.3935608, 0.4609676),
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vec2(0.3929337, -0.5010948),
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vec2(-0.8682281, -0.1990303),
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vec2(-0.01973724, 0.6478714),
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vec2(-0.3897587, -0.4665619),
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vec2(-0.7416366, -0.4377831),
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vec2(-0.5523247, 0.4272514),
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vec2(-0.5325066, 0.8410385),
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vec2(0.3085465, -0.7842533),
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vec2(0.8400612, -0.200119),
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vec2(0.6632416, 0.3067062),
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vec2(-0.4462856, -0.04265022),
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vec2(0.06892014, 0.812484),
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vec2(0.5149567, -0.7502338),
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vec2(0.6464897, -0.4666451),
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vec2(-0.159861, 0.1038342),
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vec2(0.6455986, 0.04419327),
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vec2(-0.7445076, 0.5035095),
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vec2(0.9430245, 0.3139912),
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vec2(0.0349884, -0.7968109),
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vec2(-0.9517487, 0.2963554),
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vec2(-0.7304786, -0.01006928),
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vec2(-0.5862702, -0.5531025),
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vec2(0.3029106, 0.09497032),
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vec2(0.09025345, -0.3503742),
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vec2(0.4356628, -0.0710125),
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vec2(0.4112572, 0.7500054),
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vec2(0.3401214, -0.3047142),
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vec2(-0.2192158, -0.6911137),
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vec2(-0.4676369, 0.6570358),
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vec2(0.6295372, 0.5629555),
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vec2(0.1253822, 0.9892166),
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vec2(-0.1154335, 0.8248222),
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vec2(-0.4230408, -0.7129914)
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};
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// GGX/Trowbridge-Reitz Normal Distribution
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float ggx_distribution(const vec3 N, const vec3 H, const float roughness) {
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const float roughness_squared = roughness * roughness;
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const float NdotH = dot(N, H);
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const float denominator = (NdotH * NdotH) * (roughness_squared - 1.0) + 1.0;
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return roughness_squared / (PI * (denominator * denominator));
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}
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// Slick Geometry
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float geometry_slick_direct(const vec3 N, const vec3 V, const float roughness) {
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const float NdotV = clamp(dot(N, V), 0.0, 1.0);
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const float denominator = NdotV * (1.0 - roughness) + roughness;
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return NdotV / denominator;
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}
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// GGX Smith Geometry, using GGX slick but combining both the view direction and the light direction
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float geometry_smith(const vec3 N, const vec3 V, const vec3 L, float roughness) {
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const float dotNV = max(dot(N, V), 0.0);
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const float dotNL = max(dot(N, L), 0.0);
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const float k = (roughness * roughness) / 2.0;
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const float GL = dotNL / (dotNL * (1.0 - k) + k);
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const float GV = dotNV / (dotNV * (1.0 - k) + k);
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return GL * GV;
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}
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// Fresnel Shlick
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vec3 fresnel_schlick(const float cos_theta, const vec3 F0) {
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return F0 + (1.0 - F0) * pow(1.0 - cos_theta, 5.0);
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}
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vec3 fresnel_schlick_roughness(float cosTheta, vec3 F0, float roughness) {
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return F0 + (max(vec3(1.0 - roughness), F0) - F0) * pow(1.0 - cosTheta, 5.0);
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}
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// efficient VanDerCorpus calculation from http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html
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float radical_inverse(uint bits) {
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bits = (bits << 16u) | (bits >> 16u);
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bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);
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bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);
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bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);
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bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);
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return float(bits) * 2.3283064365386963e-10;
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}
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vec2 hammersley(const uint i, const uint N) {
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return vec2(float(i) / float(N), radical_inverse(i));
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}
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vec3 importance_sample_ggx(const vec2 Xi, const vec3 N, const float roughness) {
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const float a = roughness*roughness;
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const float phi = 2.0 * PI * Xi.x;
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const float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a*a - 1.0) * Xi.y));
|
||||
const float sinTheta = sqrt(1.0 - cosTheta*cosTheta);
|
||||
|
||||
// from spherical coordinates to cartesian coordinates - halfway vector
|
||||
vec3 H;
|
||||
H.x = cos(phi) * sinTheta;
|
||||
H.y = sin(phi) * sinTheta;
|
||||
H.z = cosTheta;
|
||||
|
||||
// from tangent-space H vector to world-space sample vector
|
||||
const vec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
|
||||
const vec3 tangent = normalize(cross(up, N));
|
||||
const vec3 bitangent = cross(N, tangent);
|
||||
|
||||
return normalize(tangent * H.x + bitangent * H.y + N * H.z);
|
||||
}
|
||||
|
||||
vec3 from_linear_to_srgb(const vec3 linearRGB) {
|
||||
bvec3 cutoff = lessThan(linearRGB, vec3(0.0031308));
|
||||
vec3 higher = vec3(1.055)*pow(linearRGB, vec3(1.0/2.4)) - vec3(0.055);
|
||||
vec3 lower = linearRGB * vec3(12.92);
|
||||
|
||||
return mix(higher, lower, cutoff);
|
||||
}
|
||||
|
||||
vec3 from_srgb_to_linear(const vec3 sRGB) {
|
||||
bvec3 cutoff = lessThan(sRGB, vec3(0.04045));
|
||||
vec3 higher = pow((sRGB + vec3(0.055))/vec3(1.055), vec3(2.4));
|
||||
vec3 lower = sRGB/vec3(12.92);
|
||||
|
||||
return mix(higher, lower, cutoff);
|
||||
}
|
||||
10
engine/shaders/debug.frag.glsl
Normal file
10
engine/shaders/debug.frag.glsl
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
layout(location = 0) out vec4 outColor;
|
||||
|
||||
layout(push_constant, binding = 1) uniform PushConstant {
|
||||
mat4 mvp;
|
||||
vec4 color;
|
||||
};
|
||||
|
||||
void main() {
|
||||
outColor = color;
|
||||
}
|
||||
10
engine/shaders/debug.vert.glsl
Normal file
10
engine/shaders/debug.vert.glsl
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
layout (location = 0) in vec3 inPosition;
|
||||
|
||||
layout(push_constant, binding = 1) uniform PushConstant{
|
||||
mat4 mvp;
|
||||
vec4 color;
|
||||
};
|
||||
|
||||
void main() {
|
||||
gl_Position = mvp * vec4(inPosition, 1.0);
|
||||
}
|
||||
28
engine/shaders/dof.frag.glsl
Normal file
28
engine/shaders/dof.frag.glsl
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
layout(location = 0) in vec2 inUV;
|
||||
layout(location = 1) in flat ivec2 inPixel;
|
||||
layout(location = 2) in float depth;
|
||||
|
||||
layout(location = 0) out vec4 outColor;
|
||||
|
||||
layout(rgba32f, binding = 0) uniform image2D color_sampler;
|
||||
layout(binding = 3) uniform sampler2D aperture_sampler;
|
||||
|
||||
layout(push_constant, binding = 2) uniform readonly PushConstant{
|
||||
vec4 params;
|
||||
};
|
||||
|
||||
void main() {
|
||||
// far field mode
|
||||
if(params.y == 0) {
|
||||
if(depth < 0.98)
|
||||
discard;
|
||||
}
|
||||
|
||||
if(inUV.y > 1.0 || inUV.x > 1.0)
|
||||
discard;
|
||||
|
||||
outColor = vec4(imageLoad(color_sampler, inPixel).rgb, 1.0);
|
||||
if(params.y == 0) {
|
||||
outColor = outColor * texture(aperture_sampler, inUV);
|
||||
}
|
||||
}
|
||||
35
engine/shaders/dof.vert.glsl
Normal file
35
engine/shaders/dof.vert.glsl
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
layout(constant_id = 0) const int width = 25;
|
||||
layout(constant_id = 1) const int height = 25;
|
||||
|
||||
layout(location = 0) out vec2 outUV;
|
||||
layout(location = 1) out flat ivec2 outPixel;
|
||||
layout(location = 2) out float outDepth;
|
||||
|
||||
layout(binding = 1) uniform sampler2D depth_sampler;
|
||||
|
||||
layout(push_constant, binding = 2) uniform readonly PushConstant{
|
||||
vec4 params;
|
||||
};
|
||||
|
||||
void main() {
|
||||
outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
|
||||
|
||||
ivec2 pixel = ivec2(gl_InstanceIndex % width, gl_InstanceIndex / width);
|
||||
outPixel = pixel;
|
||||
|
||||
const float depth = texture(depth_sampler, vec2(pixel) / vec2(width, height)).r;
|
||||
outDepth = depth;
|
||||
|
||||
vec2 pos = vec2(outUV * 2.0 + -1.0);
|
||||
|
||||
// far field mode
|
||||
if(params.y == 0) {
|
||||
pos *= params.x * depth;
|
||||
}
|
||||
|
||||
pos += vec2(pixel.x, pixel.y);
|
||||
pos *= 2.0 / vec2(width, height);
|
||||
pos += vec2(-1, -1);
|
||||
|
||||
gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);
|
||||
}
|
||||
16
engine/shaders/edge.frag.glsl
Normal file
16
engine/shaders/edge.frag.glsl
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
#define SMAA_INCLUDE_PS 1
|
||||
#include "smaa_common.glsl"
|
||||
|
||||
layout(location = 0) in vec2 inUV;
|
||||
layout(location = 1) in vec4 inOffset[3];
|
||||
|
||||
layout(location = 0) out vec4 outColor;
|
||||
|
||||
layout(binding = 0) uniform sampler2D imageSampler;
|
||||
layout(binding = 1) uniform sampler2D depthSampler;
|
||||
|
||||
void main() {
|
||||
vec2 edge = SMAALumaEdgeDetectionPS(inUV, inOffset, imageSampler, depthSampler);
|
||||
|
||||
outColor = vec4(edge, 0.0, 1.0);
|
||||
}
|
||||
13
engine/shaders/edge.vert.glsl
Normal file
13
engine/shaders/edge.vert.glsl
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
#define SMAA_INCLUDE_VS 1
|
||||
#define SMAA_INCLUDE_PS 0
|
||||
#include "smaa_common.glsl"
|
||||
|
||||
layout(location = 0) out vec2 outUV;
|
||||
layout(location = 1) out vec4 outOffset[3];
|
||||
|
||||
void main() {
|
||||
outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
|
||||
gl_Position = correctionMatrix * vec4(outUV * 2.0 + -1.0, 0.0, 1.0);
|
||||
|
||||
SMAAEdgeDetectionVS(outUV, outOffset);
|
||||
}
|
||||
51
engine/shaders/filter.frag.glsl
Normal file
51
engine/shaders/filter.frag.glsl
Normal file
|
|
@ -0,0 +1,51 @@
|
|||
#include "common.nocompile.glsl"
|
||||
|
||||
layout (constant_id = 0) const int texture_size = 512;
|
||||
|
||||
layout(location = 0) in vec3 inPos;
|
||||
layout(location = 0) out vec4 outColor;
|
||||
|
||||
layout(binding = 2) uniform samplerCube environmentSampler;
|
||||
|
||||
layout(push_constant, binding = 1) uniform readonly PushConstant{
|
||||
mat4 mvp;
|
||||
float roughness;
|
||||
};
|
||||
|
||||
void main() {
|
||||
vec3 N = normalize(inPos);
|
||||
|
||||
// make the simplyfying assumption that V equals R equals the normal
|
||||
const vec3 R = N;
|
||||
const vec3 V = R;
|
||||
|
||||
const uint SAMPLE_COUNT = 1024u;
|
||||
vec3 prefilteredColor = vec3(0.0);
|
||||
float totalWeight = 0.0;
|
||||
|
||||
for(uint i = 0u; i < SAMPLE_COUNT; ++i) {
|
||||
// generates a sample vector that's biased towards the preferred alignment direction (importance sampling).
|
||||
const vec2 Xi = hammersley(i, SAMPLE_COUNT);
|
||||
const vec3 H = importance_sample_ggx(Xi, N, roughness);
|
||||
const vec3 L = normalize(2.0 * dot(V, H) * H - V);
|
||||
|
||||
float NdotL = max(dot(N, L), 0.0);
|
||||
if(NdotL > 0.0) {
|
||||
// sample from the environment's mip level based on roughness/pdf
|
||||
const float D = geometry_slick_direct(N, H, roughness);
|
||||
const float NdotH = max(dot(N, H), 0.0);
|
||||
const float HdotV = max(dot(H, V), 0.0);
|
||||
const float pdf = D * NdotH / (4.0 * HdotV) + 0.0001;
|
||||
|
||||
const float saTexel = 4.0 * PI / (6.0 * texture_size * texture_size);
|
||||
const float saSample = 1.0 / (float(SAMPLE_COUNT) * pdf + 0.0001);
|
||||
|
||||
const float mipLevel = roughness == 0.0 ? 0.0 : 0.5 * log2(saSample / saTexel);
|
||||
|
||||
prefilteredColor += textureLod(environmentSampler, L, mipLevel).rgb * NdotL;
|
||||
totalWeight += NdotL;
|
||||
}
|
||||
}
|
||||
|
||||
outColor = vec4(prefilteredColor / totalWeight, 1.0);
|
||||
}
|
||||
13
engine/shaders/filter.vert.glsl
Normal file
13
engine/shaders/filter.vert.glsl
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
layout(location = 0) in vec3 inPosition;
|
||||
|
||||
layout(location = 0) out vec3 outPos;
|
||||
|
||||
layout(push_constant, binding = 1) uniform readonly PushConstant{
|
||||
mat4 mvp;
|
||||
float roughness;
|
||||
};
|
||||
|
||||
void main() {
|
||||
gl_Position = mvp * vec4(inPosition, 1.0);
|
||||
outPos = inPosition;
|
||||
}
|
||||
5
engine/shaders/font.glsl
Normal file
5
engine/shaders/font.glsl
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
uint getLower(const uint val) { return val & uint(0xFFFF); }
|
||||
uint getUpper(const uint val) { return val >> 16 & uint(0xFFFF); }
|
||||
float fixed_to_float(const uint val) { return float(val)/32.0; }
|
||||
vec2 fixed2_to_vec2(const uint val) { return vec2(fixed_to_float(getLower(val)), fixed_to_float(getUpper(val))); }
|
||||
vec2 uint_to_vec2(const uint val) { return vec2(getLower(val), getUpper(val)); }
|
||||
34
engine/shaders/gaussian.frag.glsl
Normal file
34
engine/shaders/gaussian.frag.glsl
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
layout (location = 0) in vec2 inUV;
|
||||
|
||||
layout (location = 0) out vec4 outColor;
|
||||
|
||||
layout(push_constant, binding = 1) uniform PushConstants {
|
||||
int horizontal;
|
||||
};
|
||||
|
||||
layout (binding = 0) uniform sampler2D image;
|
||||
|
||||
const float weight[5] = float[] (0.227027, 0.1945946, 0.1216216, 0.054054, 0.016216);
|
||||
|
||||
void main() {
|
||||
vec2 tex_offset = 1.0 / textureSize(image, 0); // gets size of single texel
|
||||
vec3 result = texture(image, inUV).rgb * weight[0]; // current fragment's contribution
|
||||
if(horizontal == 1)
|
||||
{
|
||||
for(int i = 1; i < 5; ++i)
|
||||
{
|
||||
result += max(texture(image, inUV + vec2(tex_offset.x * i, 0.0)).rgb * weight[i], vec3(0.0));
|
||||
result += max(texture(image, inUV - vec2(tex_offset.x * i, 0.0)).rgb * weight[i], vec3(0.0));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for(int i = 1; i < 5; ++i)
|
||||
{
|
||||
result += max(texture(image, inUV + vec2(0.0, tex_offset.y * i)).rgb * weight[i], vec3(0.0));
|
||||
result += max(texture(image, inUV - vec2(0.0, tex_offset.y * i)).rgb * weight[i], vec3(0.0));
|
||||
}
|
||||
}
|
||||
|
||||
outColor = vec4(result, 1.0);
|
||||
}
|
||||
6
engine/shaders/gaussian.vert.glsl
Normal file
6
engine/shaders/gaussian.vert.glsl
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
layout (location = 0) out vec2 outUV;
|
||||
|
||||
void main() {
|
||||
outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
|
||||
gl_Position = vec4(outUV * 2.0f + -1.0f, 0.0f, 1.0f);
|
||||
}
|
||||
44
engine/shaders/histogram-average.comp.glsl
Normal file
44
engine/shaders/histogram-average.comp.glsl
Normal file
|
|
@ -0,0 +1,44 @@
|
|||
#include "common.nocompile.glsl"
|
||||
|
||||
layout(local_size_x = 256, local_size_y = 1) in;
|
||||
|
||||
layout(r16f, binding = 0) uniform image2D target_image;
|
||||
|
||||
// adapated from https://bruop.github.io/exposure/ and http://www.alextardif.com/HistogramLuminance.html
|
||||
|
||||
shared uint histogram_shared[256];
|
||||
|
||||
layout(std430, binding = 1) buffer HistogramBuffer {
|
||||
uint histogram[];
|
||||
};
|
||||
|
||||
layout(push_constant, binding = 2) uniform readonly PushConstant{
|
||||
vec4 params;
|
||||
};
|
||||
|
||||
void main() {
|
||||
uint count_for_this_bin = histogram[gl_LocalInvocationIndex];
|
||||
histogram_shared[gl_LocalInvocationIndex] = count_for_this_bin * gl_LocalInvocationIndex;
|
||||
|
||||
groupMemoryBarrier();
|
||||
|
||||
histogram[gl_LocalInvocationIndex] = 0;
|
||||
|
||||
for(uint cutoff = (256 >> 1); cutoff > 0; cutoff >>= 1) {
|
||||
if(uint(gl_LocalInvocationIndex) < cutoff) {
|
||||
histogram_shared[gl_LocalInvocationIndex] += histogram_shared[gl_LocalInvocationIndex + cutoff];
|
||||
}
|
||||
|
||||
groupMemoryBarrier();
|
||||
}
|
||||
|
||||
if(gl_LocalInvocationIndex == 0) {
|
||||
float weightedLogAverage = (histogram_shared[0] / max(params.w - float(count_for_this_bin), 1.0)) - 1.0;
|
||||
|
||||
float weightedAvgLum = exp2(weightedLogAverage / 254.0 * params.y + params.x);
|
||||
|
||||
float lumLastFrame = imageLoad(target_image, ivec2(0, 0)).x;
|
||||
float adaptedLum = lumLastFrame + (weightedAvgLum - lumLastFrame) * params.z;
|
||||
imageStore(target_image, ivec2(0, 0), vec4(adaptedLum, 0.0, 0.0, 0.0));
|
||||
}
|
||||
}
|
||||
49
engine/shaders/histogram.comp.glsl
Normal file
49
engine/shaders/histogram.comp.glsl
Normal file
|
|
@ -0,0 +1,49 @@
|
|||
#include "common.nocompile.glsl"
|
||||
|
||||
layout(local_size_x = 16, local_size_y = 16) in;
|
||||
|
||||
layout(rgba32f, binding = 0) uniform image2D hdr_image;
|
||||
|
||||
// adapated from https://bruop.github.io/exposure/ and http://www.alextardif.com/HistogramLuminance.html
|
||||
|
||||
// Taken from RTR vol 4 pg. 278
|
||||
#define RGB_TO_LUM vec3(0.2125, 0.7154, 0.0721)
|
||||
|
||||
shared uint histogram_shared[256];
|
||||
|
||||
layout(std430, binding = 1) buffer HistogramBuffer {
|
||||
uint histogram[];
|
||||
};
|
||||
|
||||
layout(push_constant, binding = 2) uniform readonly PushConstant{
|
||||
vec4 params;
|
||||
};
|
||||
|
||||
uint color_to_bin(const vec3 hdr_color, const float min_log_lum, const float inverse_log_lum_range) {
|
||||
const float lum = dot(hdr_color, RGB_TO_LUM);
|
||||
|
||||
if (lum < EPSILON) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
const float log_lum = clamp((log2(lum) - min_log_lum) * inverse_log_lum_range, 0.0, 1.0);
|
||||
|
||||
return uint(log_lum * 254.0 + 1.0);
|
||||
}
|
||||
|
||||
void main() {
|
||||
histogram_shared[gl_LocalInvocationIndex] = 0;
|
||||
groupMemoryBarrier();
|
||||
|
||||
uvec2 dim = uvec2(params.zw);
|
||||
if(gl_GlobalInvocationID.x < dim.x && gl_GlobalInvocationID.y < dim.y) {
|
||||
vec3 hdr_color = imageLoad(hdr_image, ivec2(gl_GlobalInvocationID.xy)).rgb;
|
||||
uint bin_index = color_to_bin(hdr_color, params.x, params.y);
|
||||
|
||||
atomicAdd(histogram_shared[bin_index], 1);
|
||||
}
|
||||
|
||||
groupMemoryBarrier();
|
||||
|
||||
atomicAdd(histogram[gl_LocalInvocationIndex], histogram_shared[gl_LocalInvocationIndex]);
|
||||
}
|
||||
10
engine/shaders/imgui.frag.glsl
Normal file
10
engine/shaders/imgui.frag.glsl
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
layout(location = 0) in vec4 in_color;
|
||||
layout(location = 1) in vec2 in_uv;
|
||||
|
||||
layout(location = 0) out vec4 out_color;
|
||||
|
||||
layout(binding = 2) uniform sampler2D bound_texture;
|
||||
|
||||
void main() {
|
||||
out_color = in_color * texture(bound_texture, in_uv);
|
||||
}
|
||||
883
engine/shaders/imgui.ini
Normal file
883
engine/shaders/imgui.ini
Normal file
|
|
@ -0,0 +1,883 @@
|
|||
[Window][dockspace]
|
||||
Pos=0,0
|
||||
Size=1269,856
|
||||
Collapsed=0
|
||||
|
||||
[Window][Debug##Default]
|
||||
Pos=60,60
|
||||
Size=400,400
|
||||
Collapsed=0
|
||||
|
||||
[Window][General]
|
||||
Pos=572,328
|
||||
Size=118,78
|
||||
Collapsed=0
|
||||
|
||||
[Window][Lighting]
|
||||
Pos=388,328
|
||||
Size=316,282
|
||||
Collapsed=0
|
||||
|
||||
[Window][Assets]
|
||||
Pos=58,328
|
||||
Size=264,269
|
||||
Collapsed=0
|
||||
|
||||
[Window][Rendering]
|
||||
Pos=742,163
|
||||
Size=391,675
|
||||
Collapsed=0
|
||||
|
||||
[Window][Shader Editor]
|
||||
Pos=314,328
|
||||
Size=594,516
|
||||
Collapsed=0
|
||||
|
||||
[Window][###3399662586]
|
||||
Pos=0,23
|
||||
Size=2560,1354
|
||||
Collapsed=0
|
||||
DockId=0xECD066A1,0
|
||||
|
||||
[Window][Viewport##2188575507216]
|
||||
Pos=0,69
|
||||
Size=706,1308
|
||||
Collapsed=0
|
||||
DockId=0x00000001,0
|
||||
|
||||
[Window][Node Editor##2188575507216]
|
||||
Pos=708,69
|
||||
Size=1852,1308
|
||||
Collapsed=0
|
||||
DockId=0x00000002,0
|
||||
|
||||
[Window][###2131036754]
|
||||
Pos=0,23
|
||||
Size=1403,1001
|
||||
Collapsed=0
|
||||
DockId=0xECD066A1,0
|
||||
|
||||
[Window][Viewport##2166618067536]
|
||||
Pos=0,69
|
||||
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16
engine/shaders/imgui.vert.glsl
Normal file
16
engine/shaders/imgui.vert.glsl
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
layout(location = 0) in vec2 in_position;
|
||||
layout(location = 1) in vec2 in_uv;
|
||||
layout(location = 2) in vec4 in_color;
|
||||
|
||||
layout(location = 0) out vec4 out_color;
|
||||
layout(location = 1) out vec2 out_uv;
|
||||
|
||||
layout(std430, push_constant, binding = 1) uniform PushConstant {
|
||||
mat4 projection;
|
||||
};
|
||||
|
||||
void main() {
|
||||
gl_Position = projection * vec4(in_position, 0.0, 1.0);
|
||||
out_color = in_color;
|
||||
out_uv = in_uv;
|
||||
}
|
||||
36
engine/shaders/irradiance.frag.glsl
Normal file
36
engine/shaders/irradiance.frag.glsl
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
layout(location = 0) in vec3 inPos;
|
||||
layout(location = 0) out vec4 outColor;
|
||||
|
||||
layout(binding = 2) uniform samplerCube environmentSampler;
|
||||
|
||||
const float PI = 3.14159265359;
|
||||
|
||||
void main() {
|
||||
vec3 N = normalize(inPos);
|
||||
|
||||
vec3 irradiance = vec3(0.0);
|
||||
|
||||
// tangent space calculation from origin point
|
||||
vec3 up = vec3(0.0, 1.0, 0.0);
|
||||
vec3 right = cross(up, N);
|
||||
up = cross(N, right);
|
||||
|
||||
float sampleDelta = 0.025;
|
||||
float nrSamples = 0.0f;
|
||||
for(float phi = 0.0; phi < 2.0 * PI; phi += sampleDelta)
|
||||
{
|
||||
for(float theta = 0.0; theta < 0.5 * PI; theta += sampleDelta)
|
||||
{
|
||||
// spherical to cartesian (in tangent space)
|
||||
vec3 tangentSample = vec3(sin(theta) * cos(phi), sin(theta) * sin(phi), cos(theta));
|
||||
// tangent space to world
|
||||
vec3 sampleVec = tangentSample.x * right + tangentSample.y * up + tangentSample.z * N;
|
||||
|
||||
irradiance += texture(environmentSampler, sampleVec).rgb * cos(theta) * sin(theta);
|
||||
nrSamples++;
|
||||
}
|
||||
}
|
||||
irradiance = PI * irradiance * (1.0 / float(nrSamples));
|
||||
|
||||
outColor = vec4(irradiance, 1.0);
|
||||
}
|
||||
12
engine/shaders/irradiance.vert.glsl
Normal file
12
engine/shaders/irradiance.vert.glsl
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
layout(location = 0) in vec3 inPosition;
|
||||
|
||||
layout(location = 0) out vec3 outPos;
|
||||
|
||||
layout(push_constant, binding = 1) uniform readonly PushConstant{
|
||||
mat4 mvp;
|
||||
};
|
||||
|
||||
void main() {
|
||||
gl_Position = mvp * vec4(inPosition, 1.0);
|
||||
outPos = inPosition;
|
||||
}
|
||||
123
engine/shaders/mesh.vert.nocompile.glsl
Normal file
123
engine/shaders/mesh.vert.nocompile.glsl
Normal file
|
|
@ -0,0 +1,123 @@
|
|||
layout (constant_id = 0) const int max_materials = 25;
|
||||
layout (constant_id = 1) const int max_lights = 25;
|
||||
layout (constant_id = 2) const int max_spot_lights = 4;
|
||||
layout (constant_id = 3) const int max_probes = 4;
|
||||
|
||||
layout (location = 0) in vec3 inPosition;
|
||||
layout (location = 1) in vec3 inNormal;
|
||||
layout (location = 2) in vec2 inUV;
|
||||
layout (location = 3) in vec3 inTangent;
|
||||
layout (location = 4) in vec3 inBitangent;
|
||||
|
||||
#ifdef BONE
|
||||
layout (location = 5) in ivec4 inBoneID;
|
||||
layout (location = 6) in vec4 inBoneWeight;
|
||||
#endif
|
||||
|
||||
layout (location = 0) out vec3 outFragPos;
|
||||
layout (location = 1) out vec3 outNormal;
|
||||
layout (location = 2) out vec2 outUV;
|
||||
layout (location = 4) out vec4 fragPosLightSpace;
|
||||
layout (location = 5) out mat3 outTBN;
|
||||
layout (location = 14) out vec4 fragPostSpotLightSpace[max_spot_lights];
|
||||
|
||||
struct Material {
|
||||
vec4 color, info;
|
||||
};
|
||||
|
||||
struct Light {
|
||||
vec4 positionType;
|
||||
vec4 directionPower;
|
||||
vec4 color;
|
||||
};
|
||||
|
||||
struct Probe {
|
||||
vec4 position, size;
|
||||
};
|
||||
|
||||
layout(std430, binding = 1) buffer readonly SceneInformation {
|
||||
vec4 options;
|
||||
vec4 camPos;
|
||||
mat4 vp, lightSpace;
|
||||
mat4 spotLightSpaces[max_spot_lights];
|
||||
Material materials[max_materials];
|
||||
Light lights[max_lights];
|
||||
Probe probes[max_probes];
|
||||
int numLights;
|
||||
} scene;
|
||||
|
||||
#ifdef CUBEMAP
|
||||
layout(push_constant, binding = 0) uniform readonly PushConstant{
|
||||
mat4 model, view;
|
||||
};
|
||||
#else
|
||||
layout(push_constant, binding = 0) uniform readonly PushConstant{
|
||||
mat4 model;
|
||||
};
|
||||
#endif
|
||||
|
||||
const mat4 biasMat = mat4(
|
||||
0.5, 0.0, 0.0, 0.0,
|
||||
0.0, 0.5, 0.0, 0.0,
|
||||
0.0, 0.0, 1.0, 0.0,
|
||||
0.5, 0.5, 0.0, 1.0);
|
||||
|
||||
#ifdef BONE
|
||||
layout(std430, binding = 14) buffer readonly BoneInformation {
|
||||
mat4 bones[128];
|
||||
};
|
||||
#endif
|
||||
|
||||
void main() {
|
||||
const mat3 mat = mat3(model);
|
||||
const vec3 T = normalize(mat * inTangent);
|
||||
const vec3 N = normalize(mat * inNormal);
|
||||
const vec3 B = normalize(mat * inBitangent);
|
||||
const mat3 TBN = mat3(T, B, N);
|
||||
|
||||
#ifdef BONE
|
||||
mat4 BoneTransform = bones[inBoneID[0]] * inBoneWeight[0];
|
||||
BoneTransform += bones[inBoneID[1]] * inBoneWeight[1];
|
||||
BoneTransform += bones[inBoneID[2]] * inBoneWeight[2];
|
||||
BoneTransform += bones[inBoneID[3]] * inBoneWeight[3];
|
||||
|
||||
BoneTransform = model * BoneTransform;
|
||||
|
||||
vec4 bPos = BoneTransform * vec4(inPosition, 1.0);
|
||||
vec4 bNor = BoneTransform * vec4(inNormal, 0.0);
|
||||
|
||||
gl_Position = scene.vp * bPos;
|
||||
outFragPos = vec3(model * vec4(inPosition, 1.0));
|
||||
outNormal = bNor.xyz;
|
||||
outUV = inUV;
|
||||
fragPosLightSpace = (biasMat * scene.lightSpace) * bPos;
|
||||
|
||||
for(int i = 0; i < max_spot_lights; i++) {
|
||||
fragPostSpotLightSpace[i] = (biasMat * scene.spotLightSpaces[i]) * bPos;
|
||||
}
|
||||
#else
|
||||
#ifdef CUBEMAP
|
||||
gl_Position = scene.vp * view * model * vec4(inPosition, 1.0);
|
||||
outFragPos = vec3(model * vec4(inPosition, 1.0));
|
||||
outNormal = mat3(model) * inNormal;
|
||||
outUV = inUV;
|
||||
fragPosLightSpace = (biasMat * scene.lightSpace * model) * vec4(inPosition, 1.0);
|
||||
|
||||
for(int i = 0; i < max_spot_lights; i++) {
|
||||
fragPostSpotLightSpace[i] = (biasMat * scene.spotLightSpaces[i] * model) * vec4(inPosition, 1.0);
|
||||
}
|
||||
#else
|
||||
gl_Position = scene.vp * model * vec4(inPosition, 1.0);
|
||||
|
||||
outFragPos = vec3(model * vec4(inPosition, 1.0));
|
||||
outNormal = mat3(model) * inNormal;
|
||||
outUV = inUV;
|
||||
fragPosLightSpace = (biasMat * scene.lightSpace * model) * vec4(inPosition, 1.0);
|
||||
|
||||
for(int i = 0; i < max_spot_lights; i++) {
|
||||
fragPostSpotLightSpace[i] = (biasMat * scene.spotLightSpaces[i] * model) * vec4(inPosition, 1.0);
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
outTBN = TBN;
|
||||
}
|
||||
14
engine/shaders/omnishadow.frag.glsl
Normal file
14
engine/shaders/omnishadow.frag.glsl
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
layout (constant_id = 0) const int max_lights = 25;
|
||||
|
||||
layout (location = 0) in vec3 inPos;
|
||||
layout (location = 1) flat in int index;
|
||||
|
||||
layout (location = 0) out float outFragColor;
|
||||
|
||||
layout(std430, binding = 2) buffer readonly LightInformation {
|
||||
vec3 light_locations[max_lights];
|
||||
};
|
||||
|
||||
void main() {
|
||||
outFragColor = length(inPos - light_locations[index]);
|
||||
}
|
||||
159
engine/shaders/post.frag.glsl
Normal file
159
engine/shaders/post.frag.glsl
Normal file
|
|
@ -0,0 +1,159 @@
|
|||
#define SMAA_RT_METRICS viewport
|
||||
|
||||
#define SMAA_PRESET_ULTRA 1
|
||||
#define SMAA_GLSL_4 1
|
||||
#define SMAA_INCLUDE_VS 0
|
||||
#define SMAA_INCLUDE_PS 1
|
||||
|
||||
layout(std430, push_constant, binding = 4) uniform PushConstant {
|
||||
vec4 viewport;
|
||||
vec4 options;
|
||||
vec4 transform_ops;
|
||||
};
|
||||
|
||||
#include "smaa.glsl"
|
||||
#include "common.nocompile.glsl"
|
||||
|
||||
layout (location = 0) in vec2 inUV;
|
||||
layout(location = 1) in vec4 inOffset;
|
||||
|
||||
layout (location = 0) out vec4 outColor;
|
||||
|
||||
layout (binding = 1) uniform sampler2D colorSampler;
|
||||
layout (binding = 2) uniform sampler2D backSampler;
|
||||
layout (binding = 3) uniform sampler2D blendSampler;
|
||||
layout (binding = 5) uniform sampler2D sobelSampler;
|
||||
layout (binding = 6) uniform sampler2D averageLuminanceSampler;
|
||||
layout (binding = 7) uniform sampler2D farFieldSampler;
|
||||
|
||||
float calculate_sobel() {
|
||||
float x = 1.0 / viewport.z;
|
||||
float y = 1.0 / viewport.w;
|
||||
vec4 horizEdge = vec4( 0.0 );
|
||||
horizEdge -= texture( sobelSampler, vec2( inUV.x - x, inUV.y - y ) ) * 1.0;
|
||||
horizEdge -= texture( sobelSampler, vec2( inUV.x - x, inUV.y ) ) * 2.0;
|
||||
horizEdge -= texture( sobelSampler, vec2( inUV.x - x, inUV.y + y ) ) * 1.0;
|
||||
horizEdge += texture( sobelSampler, vec2( inUV.x + x, inUV.y - y ) ) * 1.0;
|
||||
horizEdge += texture( sobelSampler, vec2( inUV.x + x, inUV.y ) ) * 2.0;
|
||||
horizEdge += texture( sobelSampler, vec2( inUV.x + x, inUV.y + y ) ) * 1.0;
|
||||
vec4 vertEdge = vec4( 0.0 );
|
||||
vertEdge -= texture( sobelSampler, vec2( inUV.x - x, inUV.y - y ) ) * 1.0;
|
||||
vertEdge -= texture( sobelSampler, vec2( inUV.x , inUV.y - y ) ) * 2.0;
|
||||
vertEdge -= texture( sobelSampler, vec2( inUV.x + x, inUV.y - y ) ) * 1.0;
|
||||
vertEdge += texture( sobelSampler, vec2( inUV.x - x, inUV.y + y ) ) * 1.0;
|
||||
vertEdge += texture( sobelSampler, vec2( inUV.x , inUV.y + y ) ) * 2.0;
|
||||
vertEdge += texture( sobelSampler, vec2( inUV.x + x, inUV.y + y ) ) * 1.0;
|
||||
return sqrt((horizEdge.rgb * horizEdge.rgb) + (vertEdge.rgb * vertEdge.rgb)).r;
|
||||
}
|
||||
|
||||
// adapted from https://bruop.github.io/exposure/
|
||||
|
||||
vec3 convertRGB2XYZ(vec3 _rgb)
|
||||
{
|
||||
// Reference:
|
||||
// RGB/XYZ Matrices
|
||||
// http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
|
||||
vec3 xyz;
|
||||
xyz.x = dot(vec3(0.4124564, 0.3575761, 0.1804375), _rgb);
|
||||
xyz.y = dot(vec3(0.2126729, 0.7151522, 0.0721750), _rgb);
|
||||
xyz.z = dot(vec3(0.0193339, 0.1191920, 0.9503041), _rgb);
|
||||
return xyz;
|
||||
}
|
||||
|
||||
vec3 convertXYZ2RGB(vec3 _xyz)
|
||||
{
|
||||
vec3 rgb;
|
||||
rgb.x = dot(vec3( 3.2404542, -1.5371385, -0.4985314), _xyz);
|
||||
rgb.y = dot(vec3(-0.9692660, 1.8760108, 0.0415560), _xyz);
|
||||
rgb.z = dot(vec3( 0.0556434, -0.2040259, 1.0572252), _xyz);
|
||||
return rgb;
|
||||
}
|
||||
|
||||
vec3 convertXYZ2Yxy(vec3 _xyz)
|
||||
{
|
||||
// Reference:
|
||||
// http://www.brucelindbloom.com/index.html?Eqn_XYZ_to_xyY.html
|
||||
float inv = 1.0/dot(_xyz, vec3(1.0, 1.0, 1.0) );
|
||||
return vec3(_xyz.y, _xyz.x*inv, _xyz.y*inv);
|
||||
}
|
||||
|
||||
vec3 convertYxy2XYZ(vec3 _Yxy)
|
||||
{
|
||||
// Reference:
|
||||
// http://www.brucelindbloom.com/index.html?Eqn_xyY_to_XYZ.html
|
||||
vec3 xyz;
|
||||
xyz.x = _Yxy.x*_Yxy.y/_Yxy.z;
|
||||
xyz.y = _Yxy.x;
|
||||
xyz.z = _Yxy.x*(1.0 - _Yxy.y - _Yxy.z)/_Yxy.z;
|
||||
return xyz;
|
||||
}
|
||||
|
||||
vec3 convertRGB2Yxy(vec3 _rgb)
|
||||
{
|
||||
return convertXYZ2Yxy(convertRGB2XYZ(_rgb) );
|
||||
}
|
||||
|
||||
vec3 convertYxy2RGB(vec3 _Yxy)
|
||||
{
|
||||
return convertXYZ2RGB(convertYxy2XYZ(_Yxy) );
|
||||
}
|
||||
|
||||
float reinhard2(float _x, float _whiteSqr)
|
||||
{
|
||||
return (_x * (1.0 + _x/_whiteSqr) ) / (1.0 + _x);
|
||||
}
|
||||
|
||||
void main() {
|
||||
// passthrough
|
||||
if(options.w == 1) {
|
||||
outColor = texture(colorSampler, inUV);
|
||||
return;
|
||||
}
|
||||
|
||||
bool enable_dof = options.w == 2;
|
||||
vec3 sceneColor = vec3(0);
|
||||
if(enable_dof) {
|
||||
sceneColor = texture(farFieldSampler, inUV).rgb;
|
||||
sceneColor += texture(colorSampler, inUV).rgb;
|
||||
} else {
|
||||
if(options.x == 1) // enable AA
|
||||
sceneColor = SMAANeighborhoodBlendingPS(inUV, inOffset, colorSampler, blendSampler).rgb;
|
||||
else
|
||||
sceneColor = texture(colorSampler, inUV).rgb;
|
||||
}
|
||||
|
||||
float sobel = 0.0;
|
||||
if(textureSize(sobelSampler, 0).x > 1)
|
||||
sobel = calculate_sobel();
|
||||
|
||||
vec3 sobelColor = vec3(0, 1, 1);
|
||||
|
||||
vec3 hdrColor = sceneColor; // fading removed
|
||||
|
||||
float avg_lum = texture(averageLuminanceSampler, inUV).r;
|
||||
|
||||
vec3 transformed_color = hdrColor;
|
||||
|
||||
if(transform_ops.y == 1) {
|
||||
transformed_color = vec3(1.0) - exp(-transformed_color * options.z);
|
||||
} else if(transform_ops.y == 2) {
|
||||
vec3 Yxy = convertRGB2Yxy(transformed_color);
|
||||
|
||||
// hard-coded for now
|
||||
float whitePoint = 4.0;
|
||||
|
||||
float lp = Yxy.x / (9.6 * avg_lum + 0.0001);
|
||||
|
||||
// Replace this line with other tone mapping functions
|
||||
// Here we applying the curve to the luminance exclusively
|
||||
Yxy.x = reinhard2(lp, whitePoint);
|
||||
|
||||
transformed_color = convertYxy2RGB(Yxy);
|
||||
}
|
||||
|
||||
if(transform_ops.x == 1) {
|
||||
transformed_color = from_linear_to_srgb(transformed_color);
|
||||
}
|
||||
|
||||
outColor = vec4(transformed_color + (sobelColor * sobel), 1.0);
|
||||
}
|
||||
25
engine/shaders/post.vert.glsl
Normal file
25
engine/shaders/post.vert.glsl
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
#define SMAA_RT_METRICS viewport
|
||||
|
||||
#define SMAA_PRESET_ULTRA 1
|
||||
#define SMAA_GLSL_4 1
|
||||
#define SMAA_INCLUDE_VS 1
|
||||
#define SMAA_INCLUDE_PS 0
|
||||
|
||||
layout(std430, push_constant, binding = 4) uniform readonlPushConstant {
|
||||
vec4 viewport;
|
||||
float fade;
|
||||
vec4 transform_ops;
|
||||
};
|
||||
|
||||
#include "smaa.glsl"
|
||||
|
||||
layout (location = 0) out vec2 outUV;
|
||||
layout(location = 1) out vec4 outOffset;
|
||||
|
||||
void main() {
|
||||
outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
|
||||
gl_Position = vec4(outUV * 2.0f + -1.0f, 0.0f, 1.0f);
|
||||
outUV.y = 1.0 - outUV.y;
|
||||
|
||||
SMAANeighborhoodBlendingVS(outUV, outOffset);
|
||||
}
|
||||
305
engine/shaders/rendering.nocompile.glsl
Normal file
305
engine/shaders/rendering.nocompile.glsl
Normal file
|
|
@ -0,0 +1,305 @@
|
|||
struct ComputedSurfaceInfo {
|
||||
vec3 N;
|
||||
vec3 V;
|
||||
vec3 F0, diffuse_color;
|
||||
|
||||
float NdotV;
|
||||
|
||||
float roughness, metallic;
|
||||
};
|
||||
|
||||
ComputedSurfaceInfo compute_surface(const vec3 diffuse, const vec3 normal, const float metallic, const float roughness) {
|
||||
ComputedSurfaceInfo info;
|
||||
|
||||
info.N = normalize(normal);
|
||||
info.V = normalize(scene.camPos.xyz - in_frag_pos);
|
||||
info.NdotV = max(dot(info.N, info.V), 0.0);
|
||||
|
||||
info.metallic = metallic;
|
||||
info.roughness = max(0.0001, roughness);
|
||||
|
||||
info.F0 = 0.16 * (1.0 - info.metallic) + diffuse * info.metallic;
|
||||
info.diffuse_color = (1.0 - info.metallic) * diffuse;
|
||||
|
||||
return info;
|
||||
}
|
||||
|
||||
struct SurfaceBRDF {
|
||||
vec3 diffuse, specular;
|
||||
float NdotL;
|
||||
};
|
||||
|
||||
SurfaceBRDF brdf(const vec3 L, const ComputedSurfaceInfo surface_info) {
|
||||
SurfaceBRDF info;
|
||||
|
||||
// half-vector
|
||||
const vec3 H = normalize(surface_info.V + L);
|
||||
|
||||
// fresnel reflectance function
|
||||
const vec3 F = fresnel_schlick(surface_info.NdotV, surface_info.F0);
|
||||
|
||||
// geometry function
|
||||
const float D = ggx_distribution(surface_info.N, H, surface_info.roughness);
|
||||
|
||||
// normal distribution function
|
||||
const float G = geometry_smith(surface_info.N, surface_info.V, L, surface_info.roughness);
|
||||
|
||||
const vec3 numerator = F * G * D;
|
||||
const float denominator = 4.0 * surface_info.NdotV * clamp(dot(surface_info.N, L), 0.0, 1.0);
|
||||
|
||||
// cook-torrance specular brdf
|
||||
info.specular = numerator / (denominator + 0.001);
|
||||
|
||||
// lambertian diffuse
|
||||
info.diffuse = surface_info.diffuse_color * (1.0 / PI);
|
||||
|
||||
info.NdotL = clamp(dot(surface_info.N, L), 0.0, 1.0);
|
||||
|
||||
return info;
|
||||
}
|
||||
|
||||
struct ComputedLightInformation {
|
||||
vec3 direction;
|
||||
float radiance;
|
||||
};
|
||||
|
||||
float pcf_sun(const vec4 shadowCoords, const float uvRadius) {
|
||||
float sum = 0;
|
||||
for(int i = 0; i < 16; i++) {
|
||||
const float z = texture(sun_shadow, shadowCoords.xy + PoissonOffsets[i] * uvRadius).r;
|
||||
sum += (z < (shadowCoords.z - 0.005)) ? 0.0 : 1.0;
|
||||
}
|
||||
|
||||
return sum / 16;
|
||||
}
|
||||
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
float search_width(const float uvLightSize, const float receiverDistance) {
|
||||
return uvLightSize * (receiverDistance - 0.1f) / receiverDistance;
|
||||
}
|
||||
|
||||
float penumbra_size(const float zReceiver, const float zBlocker) {
|
||||
return (zReceiver - zBlocker) / zBlocker;
|
||||
}
|
||||
|
||||
const int numBlockerSearchSamples = 16;
|
||||
|
||||
void blocker_distance_sun(const vec3 shadowCoords, const float uvLightSize, inout float avgBlockerDistance, inout int blockers) {
|
||||
const float searchWidth = search_width(uvLightSize, shadowCoords.z);
|
||||
|
||||
float blockerSum = 0.0;
|
||||
blockers = 0;
|
||||
|
||||
for(int i = 0; i < numBlockerSearchSamples; i++) {
|
||||
const float z = texture(sun_shadow,
|
||||
shadowCoords.xy + PoissonOffsets[i] * searchWidth).r;
|
||||
if(z < shadowCoords.z) {
|
||||
blockerSum += z;
|
||||
blockers++;
|
||||
}
|
||||
}
|
||||
|
||||
avgBlockerDistance = blockerSum / blockers;
|
||||
}
|
||||
|
||||
float pcss_sun(const vec4 shadowCoords, float light_size_uv) {
|
||||
float average_blocker_depth = 0.0;
|
||||
int num_blockers = 0;
|
||||
blocker_distance_sun(shadowCoords.xyz, light_size_uv, average_blocker_depth, num_blockers);
|
||||
if(num_blockers < 1)
|
||||
return 1.0;
|
||||
|
||||
const float penumbraWidth = penumbra_size(-shadowCoords.z, average_blocker_depth);
|
||||
|
||||
const float uvRadius = penumbraWidth * light_size_uv * 0.1 / shadowCoords.z;
|
||||
return pcf_sun(shadowCoords, uvRadius);
|
||||
}
|
||||
#endif
|
||||
|
||||
ComputedLightInformation calculate_sun(Light light) {
|
||||
ComputedLightInformation light_info;
|
||||
light_info.direction = normalize(light.positionType.xyz - vec3(0));
|
||||
|
||||
float shadow = 1.0;
|
||||
if(light.shadowsEnable.x == 1.0) {
|
||||
const vec4 shadowCoords = fragPosLightSpace / fragPosLightSpace.w;
|
||||
|
||||
if(shadowCoords.z > -1.0 && shadowCoords.z < 1.0) {
|
||||
#ifdef SHADOW_FILTER_NONE
|
||||
shadow = (texture(sun_shadow, shadowCoords.xy).r < shadowCoords.z - 0.005) ? 0.0 : 1.0;
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCF
|
||||
shadow = pcf_sun(shadowCoords, 0.1);
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
shadow = pcss_sun(shadowCoords, light.shadowsEnable.y);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
light_info.radiance = light.directionPower.w * shadow;
|
||||
|
||||
return light_info;
|
||||
}
|
||||
|
||||
float pcf_spot(const vec4 shadowCoords, const int index, const float uvRadius) {
|
||||
float sum = 0;
|
||||
for(int i = 0; i < 16; i++) {
|
||||
const float z = texture(spot_shadow, vec3(shadowCoords.xy + PoissonOffsets[i] * uvRadius, index)).r;
|
||||
sum += (z < (shadowCoords.z - 0.001)) ? 0.0 : 1.0;
|
||||
}
|
||||
|
||||
return sum / 16;
|
||||
}
|
||||
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
void blocker_distance_spot(const vec3 shadowCoords, const int index, const float uvLightSize, inout float avgBlockerDistance, inout int blockers) {
|
||||
const float searchWidth = search_width(uvLightSize, shadowCoords.z);
|
||||
|
||||
float blockerSum = 0.0;
|
||||
blockers = 0;
|
||||
|
||||
for(int i = 0; i < numBlockerSearchSamples; i++) {
|
||||
const float z = texture(spot_shadow,
|
||||
vec3(shadowCoords.xy + PoissonOffsets[i] * searchWidth, index)).r;
|
||||
if(z < shadowCoords.z) {
|
||||
blockerSum += z;
|
||||
blockers++;
|
||||
}
|
||||
}
|
||||
|
||||
avgBlockerDistance = blockerSum / blockers;
|
||||
}
|
||||
|
||||
float pcss_spot(const vec4 shadowCoords, const int index, float light_size_uv) {
|
||||
float average_blocker_depth = 0.0;
|
||||
int num_blockers = 0;
|
||||
blocker_distance_spot(shadowCoords.xyz, index, light_size_uv, average_blocker_depth, num_blockers);
|
||||
if(num_blockers < 1)
|
||||
return 1.0;
|
||||
|
||||
const float penumbraWidth = penumbra_size(-shadowCoords.z, average_blocker_depth);
|
||||
|
||||
const float uvRadius = penumbraWidth * light_size_uv * 0.1 / shadowCoords.z;
|
||||
return pcf_spot(shadowCoords, index, uvRadius);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
int last_spot_light = 0;
|
||||
|
||||
ComputedLightInformation calculate_spot(Light light) {
|
||||
ComputedLightInformation light_info;
|
||||
light_info.direction = normalize(light.positionType.xyz - in_frag_pos);
|
||||
|
||||
float shadow = 1.0;
|
||||
if(light.shadowsEnable.x == 1.0) {
|
||||
const vec4 shadowCoord = fragPostSpotLightSpace[last_spot_light] / fragPostSpotLightSpace[last_spot_light].w;
|
||||
|
||||
#ifdef SHADOW_FILTER_NONE
|
||||
shadow = (texture(spot_shadow, vec3(shadowCoord.xy, last_spot_light)).r < shadowCoord.z) ? 0.0 : 1.0;
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCF
|
||||
shadow = pcf_spot(shadowCoord, last_spot_light, 0.01);
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
shadow = pcss_spot(shadowCoord, last_spot_light, light.shadowsEnable.y);
|
||||
#endif
|
||||
|
||||
last_spot_light++;
|
||||
}
|
||||
|
||||
const float inner_cutoff = light.colorSize.w + radians(5);
|
||||
const float outer_cutoff = light.colorSize.w;
|
||||
|
||||
const float theta = dot(light_info.direction, normalize(light.directionPower.xyz));
|
||||
const float epsilon = inner_cutoff - outer_cutoff;
|
||||
const float intensity = clamp((theta - outer_cutoff) / epsilon, 0.0, 1.0);
|
||||
|
||||
light_info.radiance = light.directionPower.w * shadow * intensity;
|
||||
|
||||
return light_info;
|
||||
}
|
||||
|
||||
#ifdef POINT_SHADOWS_SUPPORTED
|
||||
|
||||
float pcf_point(const vec3 shadowCoords, const int index, const float uvRadius) {
|
||||
float sum = 0;
|
||||
for(int i = 0; i < 16; i++) {
|
||||
const float z = texture(point_shadow, vec4(shadowCoords.xyz + vec3(PoissonOffsets[i].xy, PoissonOffsets[i].x) * uvRadius, index)).r;
|
||||
sum += (z < length(shadowCoords) - 0.05) ? 0.0 : 1.0;
|
||||
}
|
||||
|
||||
return sum / 16;
|
||||
}
|
||||
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
void blocker_distance_point(const vec3 shadowCoords, const int index, const float uvLightSize, inout float avgBlockerDistance, inout int blockers) {
|
||||
const float searchWidth = search_width(uvLightSize, length(shadowCoords));
|
||||
|
||||
float blockerSum = 0.0;
|
||||
blockers = 0;
|
||||
|
||||
for(int i = 0; i < numBlockerSearchSamples; i++) {
|
||||
const float z = texture(point_shadow,
|
||||
vec4(shadowCoords + vec3(PoissonOffsets[i], PoissonOffsets[i].x) * searchWidth, index)).r;
|
||||
if(z < length(shadowCoords)) {
|
||||
blockerSum += z;
|
||||
blockers++;
|
||||
}
|
||||
}
|
||||
|
||||
avgBlockerDistance = blockerSum / blockers;
|
||||
}
|
||||
|
||||
float pcss_point(const vec3 shadowCoords, const int index, float light_size_uv) {
|
||||
float average_blocker_depth = 0.0;
|
||||
int num_blockers = 0;
|
||||
blocker_distance_point(shadowCoords.xyz, index, light_size_uv, average_blocker_depth, num_blockers);
|
||||
if(num_blockers < 1)
|
||||
return 1.0;
|
||||
|
||||
const float depth = length(shadowCoords);
|
||||
const float penumbraWidth = penumbra_size(-depth, average_blocker_depth);
|
||||
|
||||
const float uvRadius = penumbraWidth * light_size_uv;
|
||||
return pcf_point(shadowCoords, index, uvRadius);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
int last_point_light = 0;
|
||||
|
||||
ComputedLightInformation calculate_point(Light light) {
|
||||
ComputedLightInformation light_info;
|
||||
light_info.direction = normalize(light.positionType.xyz - in_frag_pos);
|
||||
|
||||
const vec3 lightVec = in_frag_pos - light.positionType.xyz;
|
||||
|
||||
// Check if fragment is in shadow
|
||||
float shadow = 1.0;
|
||||
#ifdef POINT_SHADOWS_SUPPORTED
|
||||
if(light.shadowsEnable.x == 1.0) {
|
||||
#ifdef SHADOW_FILTER_NONE
|
||||
const float sampledDist = texture(point_shadow, vec4(lightVec, last_point_light++)).r;
|
||||
const float dist = length(lightVec);
|
||||
|
||||
shadow = (dist <= sampledDist + 0.05) ? 1.0 : 0.0;
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCF
|
||||
shadow = pcf_point(lightVec, last_point_light++, 1.0);
|
||||
#endif
|
||||
#ifdef SHADOW_FILTER_PCSS
|
||||
shadow = pcss_point(lightVec, last_point_light++, light.shadowsEnable.y);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
const float distance = length(light.positionType.xyz - in_frag_pos);
|
||||
const float attenuation = 1.0 / (distance * distance);
|
||||
|
||||
light_info.radiance = attenuation * light.directionPower.w * shadow;
|
||||
|
||||
return light_info;
|
||||
}
|
||||
58
engine/shaders/scenecapture.vert.nocompile.glsl
Normal file
58
engine/shaders/scenecapture.vert.nocompile.glsl
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
layout (constant_id = 0) const int max_materials = 25;
|
||||
layout (constant_id = 1) const int max_lights = 25;
|
||||
layout (constant_id = 2) const int max_spot_lights = 4;
|
||||
|
||||
layout (location = 0) in vec3 inPosition;
|
||||
layout (location = 1) in vec3 inNormal;
|
||||
layout (location = 2) in vec2 inUV;
|
||||
|
||||
layout (location = 0) out vec3 outFragPos;
|
||||
layout (location = 1) out vec3 outNormal;
|
||||
layout (location = 2) out vec2 outUV;
|
||||
layout (location = 3) out flat int outMaterialId;
|
||||
layout (location = 4) out vec4 fragPosLightSpace;
|
||||
layout (location = 5) out vec4 fragPostSpotLightSpace[max_spot_lights];
|
||||
|
||||
struct Material {
|
||||
vec4 color, info;
|
||||
};
|
||||
|
||||
struct Light {
|
||||
vec4 positionType;
|
||||
vec4 directionPower;
|
||||
vec4 color;
|
||||
};
|
||||
|
||||
layout(std430, binding = 5) buffer readonly SceneInformation {
|
||||
vec4 camPos;
|
||||
mat4 projection, lightSpace;
|
||||
vec4 skyColor;
|
||||
mat4 spotLightSpaces[max_spot_lights];
|
||||
Material materials[max_materials];
|
||||
Light lights[max_lights];
|
||||
int numLights;
|
||||
} scene;
|
||||
|
||||
layout(push_constant, binding = 6) uniform readonly PushConstant{
|
||||
mat4 model, view;
|
||||
int materialOffset;
|
||||
};
|
||||
|
||||
const mat4 biasMat = mat4(
|
||||
0.5, 0.0, 0.0, 0.0,
|
||||
0.0, 0.5, 0.0, 0.0,
|
||||
0.0, 0.0, 1.0, 0.0,
|
||||
0.5, 0.5, 0.0, 1.0);
|
||||
|
||||
void main() {
|
||||
gl_Position = scene.projection * view * model * vec4(inPosition, 1.0);
|
||||
outFragPos = vec3(model * vec4(inPosition, 1.0));
|
||||
outNormal = mat3(model) * inNormal;
|
||||
outUV = inUV;
|
||||
outMaterialId = materialOffset;
|
||||
fragPosLightSpace = (biasMat * scene.lightSpace * model) * vec4(inPosition, 1.0);
|
||||
|
||||
for(int i = 0; i < max_spot_lights; i++) {
|
||||
fragPostSpotLightSpace[i] = (biasMat * scene.spotLightSpaces[i] * model) * vec4(inPosition, 1.0);
|
||||
}
|
||||
}
|
||||
5
engine/shaders/shadow.frag.glsl
Normal file
5
engine/shaders/shadow.frag.glsl
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
layout (location = 0) in vec3 inPos;
|
||||
layout (location = 1) flat in int index;
|
||||
|
||||
void main() {
|
||||
}
|
||||
43
engine/shaders/shadow.vert.nocompile.glsl
Normal file
43
engine/shaders/shadow.vert.nocompile.glsl
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
layout (constant_id = 0) const int max_lights = 25;
|
||||
|
||||
layout (location = 0) in vec3 inPosition;
|
||||
|
||||
#ifdef BONE
|
||||
layout (location = 4) in ivec4 inBoneID;
|
||||
layout (location = 5) in vec4 inBoneWeight;
|
||||
#endif
|
||||
|
||||
layout (location = 0) out vec3 outPos;
|
||||
layout (location = 1) flat out int index;
|
||||
|
||||
layout(push_constant, binding = 0) uniform PushConstant {
|
||||
mat4 mvp, model;
|
||||
};
|
||||
|
||||
#ifdef BONE
|
||||
layout(std430, binding = 14) buffer readonly BoneInformation {
|
||||
mat4 bones[128];
|
||||
};
|
||||
#endif
|
||||
|
||||
layout(std430, binding = 2) buffer readonly LightInformation {
|
||||
vec3 light_locations[max_lights];
|
||||
};
|
||||
|
||||
void main() {
|
||||
#ifdef BONE
|
||||
mat4 BoneTransform;
|
||||
|
||||
BoneTransform = bones[inBoneID[0]] * inBoneWeight[0];
|
||||
BoneTransform += bones[inBoneID[1]] * inBoneWeight[1];
|
||||
BoneTransform += bones[inBoneID[2]] * inBoneWeight[2];
|
||||
BoneTransform += bones[inBoneID[3]] * inBoneWeight[3];
|
||||
|
||||
gl_Position = mvp * BoneTransform * vec4(inPosition, 1.0);
|
||||
outPos = vec3(model * vec4(inPosition, 1.0));
|
||||
#else
|
||||
gl_Position = mvp * vec4(inPosition, 1.0);
|
||||
outPos = vec3(model * vec4(inPosition, 1.0));
|
||||
#endif
|
||||
index = gl_BaseInstance;
|
||||
}
|
||||
47
engine/shaders/sky.frag.glsl
Normal file
47
engine/shaders/sky.frag.glsl
Normal file
|
|
@ -0,0 +1,47 @@
|
|||
#include "atmosphere.glsl"
|
||||
|
||||
layout (location = 0) in vec2 in_uv;
|
||||
|
||||
layout (location = 0) out vec4 out_color;
|
||||
|
||||
layout(push_constant, binding = 1) uniform PushConstant{
|
||||
mat4 view;
|
||||
vec4 sun_position_fov;
|
||||
float aspect;
|
||||
};
|
||||
|
||||
vec3 sky_ray(const vec2 uv) {
|
||||
const float d = 0.5 / tan(sun_position_fov.w / 2.0);
|
||||
return normalize(vec3((uv.x - 0.5) * aspect,
|
||||
uv.y - 0.5,
|
||||
d));
|
||||
}
|
||||
|
||||
void main() {
|
||||
const vec3 color = atmosphere(
|
||||
// ray direction
|
||||
normalize(mat3(view) * sky_ray(in_uv)),
|
||||
// ray origin
|
||||
vec3(0, 6372e3, 0),
|
||||
// position of the sun in world space (this will be normalized)
|
||||
sun_position_fov.xyz,
|
||||
// intensity of the sun
|
||||
22.0,
|
||||
// radius of the plant in meters
|
||||
6371e3,
|
||||
// radius of the atmosphere in meters
|
||||
6471e3,
|
||||
// Rayleigh scattering coefficient
|
||||
vec3(5.5e-6, 13.0e-6, 22.4e-6),
|
||||
// Mie scattering coefficient
|
||||
21e-6,
|
||||
// Rayleigh scale height
|
||||
8e3,
|
||||
// Mie scale height
|
||||
1.2e3,
|
||||
// Mie preferred scattering direction
|
||||
0.758
|
||||
);
|
||||
|
||||
out_color = vec4(color, 1.0);
|
||||
}
|
||||
12
engine/shaders/sky.vert.glsl
Normal file
12
engine/shaders/sky.vert.glsl
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
layout (location = 0) out vec2 out_uv;
|
||||
|
||||
layout(push_constant, binding = 1) uniform PushConstant{
|
||||
mat4 view;
|
||||
vec4 sun_position_fov;
|
||||
float aspect;
|
||||
};
|
||||
|
||||
void main() {
|
||||
out_uv = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
|
||||
gl_Position = vec4(out_uv * 2.0f + -1.0f, 1.0f, 1.0f);
|
||||
}
|
||||
1407
engine/shaders/smaa.glsl
Normal file
1407
engine/shaders/smaa.glsl
Normal file
File diff suppressed because it is too large
Load diff
12
engine/shaders/smaa_common.glsl
Normal file
12
engine/shaders/smaa_common.glsl
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
#define SMAA_RT_METRICS viewport
|
||||
|
||||
#define SMAA_PRESET_ULTRA 1
|
||||
#define SMAA_GLSL_4 1
|
||||
#define SMAA_PREDICATION 1
|
||||
|
||||
layout(std430, push_constant, binding = 2) uniform PushConstant {
|
||||
vec4 viewport;
|
||||
mat4 correctionMatrix;
|
||||
};
|
||||
|
||||
#include "smaa.glsl"
|
||||
15
engine/shaders/text.frag.glsl
Normal file
15
engine/shaders/text.frag.glsl
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
layout(location = 0) in vec2 inUV;
|
||||
|
||||
layout (location = 0) out vec4 outColor;
|
||||
|
||||
layout (binding = 3) uniform sampler2D fontSampler;
|
||||
|
||||
vec4 toSRGB(vec4 v) {
|
||||
return vec4(pow(v.rgb, vec3(2.2)), v.a);
|
||||
}
|
||||
|
||||
void main() {
|
||||
outColor = vec4(vec3(texture(fontSampler, inUV).r), texture(fontSampler, inUV).r);
|
||||
|
||||
outColor = toSRGB(outColor);
|
||||
}
|
||||
61
engine/shaders/text.vert.glsl
Normal file
61
engine/shaders/text.vert.glsl
Normal file
|
|
@ -0,0 +1,61 @@
|
|||
#extension GL_GOOGLE_include_directive : require
|
||||
#include "font.glsl"
|
||||
|
||||
layout(location = 0) out vec2 outUV;
|
||||
|
||||
struct GlyphInstance {
|
||||
uint position, index, instance;
|
||||
};
|
||||
|
||||
struct StringInstance {
|
||||
uint xy;
|
||||
};
|
||||
|
||||
struct GlyphMetric {
|
||||
uint x0_y0, x1_y1;
|
||||
float xoff, yoff;
|
||||
float xoff2, yoff2;
|
||||
};
|
||||
|
||||
layout(std430, binding = 0) buffer readonly InstanceBuffer {
|
||||
GlyphInstance instances[];
|
||||
};
|
||||
|
||||
layout(std430, binding = 1) buffer readonly MetricBuffer {
|
||||
GlyphMetric metrics[];
|
||||
};
|
||||
|
||||
layout(std430, binding = 2) buffer readonly StringBuffer {
|
||||
StringInstance strings[];
|
||||
};
|
||||
|
||||
layout(push_constant, binding = 4) uniform readonly PushConstant{
|
||||
vec2 screenSize;
|
||||
mat4 mvp;
|
||||
};
|
||||
|
||||
void main() {
|
||||
const GlyphInstance instance = instances[gl_InstanceIndex];
|
||||
const GlyphMetric metric = metrics[getLower(instance.index)];
|
||||
|
||||
vec2 p = vec2(gl_VertexIndex % 2, gl_VertexIndex / 2);
|
||||
|
||||
const vec2 p0 = uint_to_vec2(metric.x0_y0);
|
||||
const vec2 p1 = uint_to_vec2(metric.x1_y1);
|
||||
|
||||
outUV = (p0 + (p1 - p0) * p) / vec2(2048, 1132);
|
||||
|
||||
p *= vec2(metric.xoff2 - metric.xoff, metric.yoff2 - metric.yoff);
|
||||
p += vec2(metric.xoff, metric.yoff);
|
||||
p += fixed2_to_vec2(instance.position);
|
||||
p += vec2(0, 18.2316);
|
||||
|
||||
const StringInstance string = strings[instance.instance];
|
||||
|
||||
p += fixed2_to_vec2(string.xy);
|
||||
p *= vec2(1, -1);
|
||||
p *= 2.0 / screenSize;
|
||||
p += vec2(-1, 1);
|
||||
|
||||
gl_Position = mvp * vec4(p, 0.0, 1.0);
|
||||
}
|
||||
22
engine/shaders/ui.frag.glsl
Normal file
22
engine/shaders/ui.frag.glsl
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
layout (location = 0) in vec2 inUV;
|
||||
layout (location = 1) in vec4 inColor;
|
||||
|
||||
layout (location = 0) out vec4 outColor;
|
||||
|
||||
layout (binding = 2) uniform sampler2D colorSampler;
|
||||
|
||||
vec4 toSRGB(vec4 v) {
|
||||
return vec4(pow(v.rgb, vec3(2.2)), v.a);
|
||||
}
|
||||
|
||||
void main() {
|
||||
if(inColor.a == 0.0)
|
||||
discard;
|
||||
|
||||
if(textureSize(colorSampler, 0).x > 1)
|
||||
outColor = texture(colorSampler, inUV);
|
||||
else
|
||||
outColor = inColor;
|
||||
|
||||
outColor = toSRGB(outColor);
|
||||
}
|
||||
38
engine/shaders/ui.vert.glsl
Normal file
38
engine/shaders/ui.vert.glsl
Normal file
|
|
@ -0,0 +1,38 @@
|
|||
#extension GL_GOOGLE_include_directive : require
|
||||
#include "font.glsl"
|
||||
|
||||
layout (location = 0) out vec2 outUV;
|
||||
layout (location = 1) out vec4 outColor;
|
||||
|
||||
struct ElementInstance {
|
||||
vec4 color;
|
||||
uint position, size;
|
||||
uint padding[2];
|
||||
};
|
||||
|
||||
layout(std430, binding = 0) buffer readonly ElementBuffer {
|
||||
ElementInstance elements[];
|
||||
};
|
||||
|
||||
layout(push_constant, binding = 1) uniform readonly PushConstant{
|
||||
vec2 screenSize;
|
||||
mat4 mvp;
|
||||
};
|
||||
|
||||
void main() {
|
||||
const ElementInstance instance = elements[gl_InstanceIndex];
|
||||
|
||||
vec2 p = vec2(gl_VertexIndex % 2, gl_VertexIndex / 2);
|
||||
outUV = p;
|
||||
|
||||
p *= fixed2_to_vec2(instance.size);
|
||||
p += fixed2_to_vec2(instance.position);
|
||||
p *= vec2(1, -1);
|
||||
p *= 2.0 / screenSize;
|
||||
p += vec2(-1, 1);
|
||||
|
||||
outColor = instance.color;
|
||||
|
||||
gl_Position = mvp * vec4(p, 0.0, 1.0);
|
||||
}
|
||||
|
||||
Reference in a new issue