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Overlays.

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This commit is contained in:
Lubos Lenco 2016-07-21 11:22:34 +02:00
parent 08ebff641e
commit e90c151cd4
12 changed files with 1887 additions and 13 deletions
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9
blender/exporter.py
View file

@ -1431,9 +1431,6 @@ class ArmoryExporter(bpy.types.Operator, ExportHelper):
self.ExportParticleSystemRef(node.particle_systems[i], i, o)
o['dimensions'] = [node.dimensions[0], node.dimensions[1], node.dimensions[2]]
if node.model_overlay: # X-Ray enabled
o['type'] = 'overlay_node'
#shapeKeys = ArmoryExporter.GetShapeKeys(object)
#if (shapeKeys):
@ -2301,6 +2298,7 @@ class ArmoryExporter(bpy.types.Operator, ExportHelper):
ArmoryExporter.geometry_context = bpy.data.cameras[0].geometry_context
ArmoryExporter.shadows_context = bpy.data.cameras[0].shadows_context
ArmoryExporter.translucent_context = bpy.data.cameras[0].translucent_context
ArmoryExporter.overlay_context = bpy.data.cameras[0].overlay_context
def cb_preprocess_node(self, node): # Returns false if node should not be exported
#return True
@ -2496,6 +2494,11 @@ class ArmoryExporter(bpy.types.Operator, ExportHelper):
self.finalize_shader(o2, defs2, [decal_context])
self.output['material_resources'].append(o2)
# X-Ray enabled
if material.overlay:
# Change to overlay context
c['id'] = ArmoryExporter.overlay_context
# If material has transparency change to translucent context
if '_Translucent' in defs:
defs.remove('_Translucent')

8
blender/nodes_pipeline.py
View file

@ -330,8 +330,9 @@ class BeginNode(Node, CGPipelineTreeNode):
self.inputs.new('NodeSocketString', "Geometry")
self.inputs.new('NodeSocketString', "Shadows")
self.inputs.new('NodeSocketString', "Translucent")
self.inputs.new('NodeSocketString', "Overlay")
self.inputs.new('NodeSocketBool', "HDR Space")
self.inputs[4].default_value = True
self.inputs[5].default_value = True
self.outputs.new('NodeSocketShader', "Stage")
def copy(self, node):
@ -608,7 +609,7 @@ class DrawWorldNode(Node, CGPipelineTreeNode):
def init(self, context):
self.inputs.new('NodeSocketShader', "Stage")
self.inputs.new('NodeSocketShader', "Depth")
# self.inputs.new('NodeSocketShader', "Depth")
self.outputs.new('NodeSocketShader', "Stage")
@ -1323,7 +1324,8 @@ def getRootNode(node_group):
bpy.data.cameras[0].geometry_context = n.inputs[1].default_value
bpy.data.cameras[0].shadows_context = n.inputs[2].default_value
bpy.data.cameras[0].translucent_context = n.inputs[3].default_value
if n.inputs[4].default_value == False: # No HDR space lighting, append def
bpy.data.cameras[0].overlay_context = n.inputs[4].default_value
if n.inputs[5].default_value == False: # No HDR space lighting, append def
bpy.data.worlds[0].world_defs += '_LDR'
return findNodeByLinkFrom(node_group, n, n.outputs[0])

5
blender/props.py
View file

@ -50,7 +50,6 @@ def initProperties():
bpy.types.Object.custom_material = bpy.props.BoolProperty(name="Custom Material", default=False)
bpy.types.Object.custom_material_name = bpy.props.StringProperty(name="Name", default="")
bpy.types.Object.game_export = bpy.props.BoolProperty(name="Game Export", default=True)
bpy.types.Object.model_overlay = bpy.props.BoolProperty(name="X-Ray", default=False)
# For geometry
bpy.types.Mesh.static_usage = bpy.props.BoolProperty(name="Static Usage", default=True)
# For camera
@ -61,6 +60,7 @@ def initProperties():
bpy.types.Camera.geometry_context = bpy.props.StringProperty(name="Geometry", default="deferred")
bpy.types.Camera.shadows_context = bpy.props.StringProperty(name="Shadows", default="shadowmap")
bpy.types.Camera.translucent_context = bpy.props.StringProperty(name="Translucent", default="translucent")
bpy.types.Camera.overlay_context = bpy.props.StringProperty(name="Overlay", default="overlay")
bpy.types.Camera.is_probe = bpy.props.BoolProperty(name="Probe", default=False)
bpy.types.Camera.probe_generate_radiance = bpy.props.BoolProperty(name="Generate Radiance", default=False)
bpy.types.Camera.probe_texture = bpy.props.StringProperty(name="Texture", default="")
@ -122,6 +122,7 @@ def initProperties():
bpy.types.Material.stencil_mask = bpy.props.IntProperty(name="Stencil Mask", default=0)
bpy.types.Material.export_tangents = bpy.props.BoolProperty(name="Export Tangents", default=False)
bpy.types.Material.skip_context = bpy.props.StringProperty(name="Skip Context", default='')
bpy.types.Material.overlay = bpy.props.BoolProperty(name="X-Ray", default=False)
# For scene
bpy.types.Scene.game_export = bpy.props.BoolProperty(name="Game Export", default=True)
# For light
@ -140,7 +141,6 @@ class ObjectPropsPanel(bpy.types.Panel):
obj = bpy.context.object
layout.prop(obj, 'game_export')
if obj.type == 'MESH':
layout.prop(obj, 'model_overlay')
layout.prop(obj, 'instanced_children')
layout.prop(obj, 'custom_material')
if obj.custom_material:
@ -234,6 +234,7 @@ class MatsPropsPanel(bpy.types.Panel):
layout.prop(mat, 'custom_shader_name')
layout.prop(mat, 'stencil_mask')
layout.prop(mat, 'skip_context')
layout.prop(mat, 'overlay')
# Menu in world region
class WorldPropsPanel(bpy.types.Panel):

2
blender/write_data.py
View file

@ -30,7 +30,7 @@ project.addAssets('Assets/**');
f.write('project.addLibrary("../' + bpy.path.relpath(sdk_path + '/iron')[2:] + '");\n')
f.write('project.addLibrary("../' + bpy.path.relpath(sdk_path + '/zui')[2:] + '");\n')
if bpy.data.worlds[0].CGPhysics != 0:
if bpy.data.worlds[0].CGPhysics != 'Disabled':
f.write("\nproject.addDefine('WITH_PHYSICS')\n")
f.write('project.addLibrary("../' + bpy.path.relpath(sdk_path + '/haxebullet')[2:] + '");\n')

95
raw/deferred/deferred.shader.json
View file

@ -72,6 +72,101 @@
"vertex_shader": "deferred.vert.glsl",
"fragment_shader": "deferred.frag.glsl"
},
{
"id": "overlay",
"params": [
{
"id": "depth_write",
"value": "true"
},
{
"id": "compare_mode",
"value": "less"
},
{
"id": "cull_mode",
"value": "counter_clockwise"
}
],
"links": [
{
"id": "M",
"link": "_modelMatrix"
},
{
"id": "NM",
"link": "_normalMatrix"
},
{
"id": "V",
"link": "_viewMatrix"
},
{
"id": "P",
"link": "_projectionMatrix"
},
{
"id": "LMVP",
"link": "_lightModelViewProjectionMatrix"
},
{
"id": "lightDir",
"link": "_lightDirection"
},
{
"id": "lightColor",
"link": "_lightColor"
},
{
"id": "lightStrength",
"link": "_lightStrength"
},
{
"id": "eye",
"link": "_cameraPosition"
},
{
"id": "skinBones",
"link": "_skinBones",
"ifdef": ["_Skinning"]
},
{
"id": "shirr",
"link": "_envmapIrradiance"
},
{
"id": "senvmapRadiance",
"link": "_envmapRadiance",
"ifdef": ["_Rad"]
},
{
"id": "envmapNumMipmaps",
"link": "_envmapNumMipmaps",
"ifdef": ["_Rad"]
},
{
"id": "senvmapBrdf",
"link": "_envmapBrdf",
"ifdef": ["_Rad"]
},
{
"id": "envmapStrength",
"link": "_envmapStrength"
},
{
"id": "sltcMat",
"link": "_ltcMat",
"ifdef": ["_PolyLight"]
},
{
"id": "sltcMag",
"link": "_ltcMag",
"ifdef": ["_PolyLight"]
}
],
"vertex_shader": "overlay.vert.glsl",
"fragment_shader": "overlay.frag.glsl"
},
{
"id": "shadowmap",
"params": [

699
raw/deferred/overlay.frag.glsl Normal file
View file

@ -0,0 +1,699 @@
#version 450
#ifdef GL_ES
precision mediump float;
#endif
#include "../compiled.glsl"
// #ifdef _NMTex
// #define _Tex
// #endif
#ifdef _AMTex
uniform sampler2D salbedo;
#endif
#ifndef _NoShadows
uniform sampler2D shadowMap;
#endif
uniform float shirr[27];
#ifdef _Rad
uniform sampler2D senvmapRadiance;
uniform sampler2D senvmapBrdf;
uniform int envmapNumMipmaps;
#endif
// uniform sampler2D sltcMat;
// uniform sampler2D sltcMag;
#ifdef _NMTex
uniform sampler2D snormal;
#endif
#ifdef _OMTex
uniform sampler2D som;
#else
uniform float occlusion;
#endif
#ifdef _RMTex
uniform sampler2D srm;
#else
uniform float roughness;
#endif
#ifdef _MMTex
uniform sampler2D smm;
#else
uniform float metalness;
#endif
#ifdef _HMTex
uniform sampler2D shm;
uniform float heightStrength;
#endif
uniform float envmapStrength;
uniform bool receiveShadow;
uniform vec3 lightDir;
uniform vec3 lightColor;
uniform float lightStrength;
// LTC
/*uniform vec3 light;
// const float roughness = 0.25;
const vec3 dcolor = vec3(1.0, 1.0, 1.0);
const vec3 scolor = vec3(1.0, 1.0, 1.0);
const float intensity = 4.0; // 0-10
const float width = 4.0;
const float height = 4.0;
const vec2 resolution = vec2(800.0, 600.0);
const int sampleCount = 0;
const int NUM_SAMPLES = 8;
const float LUT_SIZE = 64.0;
const float LUT_SCALE = (LUT_SIZE - 1.0)/LUT_SIZE;
const float LUT_BIAS = 0.5/LUT_SIZE;
// vec2 mys[NUM_SAMPLES];
vec3 L0 = vec3(0.0);
vec3 L1 = vec3(0.0);
vec3 L2 = vec3(0.0);
vec3 L3 = vec3(0.0);
vec3 L4 = vec3(0.0);*/
in vec3 position;
#ifdef _Tex
in vec2 texCoord;
#endif
in vec4 lPos;
in vec4 matColor;
in vec3 eyeDir;
#ifdef _NMTex
in mat3 TBN;
#else
in vec3 normal;
#endif
#ifndef _NoShadows
// float linstep(float low, float high, float v) {
// return clamp((v - low) / (high - low), 0.0, 1.0);
// }
// float VSM(vec2 uv, float compare) {
// vec2 moments = texture(shadowMap, uv).xy;
// float p = smoothstep(compare - 0.02, compare, moments.x);
// float variance = max(moments.y - moments.x * moments.x, -0.001);
// float d = compare - moments.x;
// float p_max = linstep(0.2, 1.0, variance / (variance + d * d));
// return clamp(max(p, p_max), 0.0, 1.0);
// }
float texture2DCompare(vec2 uv, float compare){
float depth = texture(shadowMap, uv).r * 2.0 - 1.0;
return step(compare, depth);
}
float texture2DShadowLerp(vec2 size, vec2 uv, float compare){
vec2 texelSize = vec2(1.0) / size;
vec2 f = fract(uv * size + 0.5);
vec2 centroidUV = floor(uv * size + 0.5) / size;
float lb = texture2DCompare(centroidUV + texelSize * vec2(0.0, 0.0), compare);
float lt = texture2DCompare(centroidUV + texelSize * vec2(0.0, 1.0), compare);
float rb = texture2DCompare(centroidUV + texelSize * vec2(1.0, 0.0), compare);
float rt = texture2DCompare(centroidUV + texelSize * vec2(1.0, 1.0), compare);
float a = mix(lb, lt, f.y);
float b = mix(rb, rt, f.y);
float c = mix(a, b, f.x);
return c;
}
float PCF(vec2 uv, float compare) {
float result = 0.0;
// for (int x = -1; x <= 1; x++){
// for(int y = -1; y <= 1; y++){
// vec2 off = vec2(x, y) / shadowmapSize;
// result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
vec2 off = vec2(-1, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(-1, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(-1, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
// }
// }
return result / 9.0;
}
float shadowTest(vec4 lPos) {
vec4 lPosH = lPos / lPos.w;
lPosH.x = (lPosH.x + 1.0) / 2.0;
lPosH.y = (lPosH.y + 1.0) / 2.0;
return PCF(lPosH.xy, lPosH.z - shadowsBias);
// return VSM(lPosH.xy, lPosH.z);
// Basic
// float distanceFromLight = texture(shadowMap, lPosH.xy).r * 2.0 - 1.0;
// return float(distanceFromLight > lPosH.z - bias);
}
#endif
vec3 shIrradiance(vec3 nor, float scale) {
const float c1 = 0.429043;
const float c2 = 0.511664;
const float c3 = 0.743125;
const float c4 = 0.886227;
const float c5 = 0.247708;
vec3 cl00, cl1m1, cl10, cl11, cl2m2, cl2m1, cl20, cl21, cl22;
cl00 = vec3(shirr[0], shirr[1], shirr[2]);
cl1m1 = vec3(shirr[3], shirr[4], shirr[5]);
cl10 = vec3(shirr[6], shirr[7], shirr[8]);
cl11 = vec3(shirr[9], shirr[10], shirr[11]);
cl2m2 = vec3(shirr[12], shirr[13], shirr[14]);
cl2m1 = vec3(shirr[15], shirr[16], shirr[17]);
cl20 = vec3(shirr[18], shirr[19], shirr[20]);
cl21 = vec3(shirr[21], shirr[22], shirr[23]);
cl22 = vec3(shirr[24], shirr[25], shirr[26]);
return (
c1 * cl22 * (nor.x * nor.x - (-nor.z) * (-nor.z)) +
c3 * cl20 * nor.y * nor.y +
c4 * cl00 -
c5 * cl20 +
2.0 * c1 * cl2m2 * nor.x * (-nor.z) +
2.0 * c1 * cl21 * nor.x * nor.y +
2.0 * c1 * cl2m1 * (-nor.z) * nor.y +
2.0 * c2 * cl11 * nor.x +
2.0 * c2 * cl1m1 * (-nor.z) +
2.0 * c2 * cl10 * nor.y
) * scale;
}
vec2 envMapEquirect(vec3 normal) {
float phi = acos(normal.z);
float theta = atan(-normal.y, normal.x) + PI;
return vec2(theta / PI2, phi / PI);
}
vec2 LightingFuncGGX_FV(float dotLH, float roughness) {
float alpha = roughness*roughness;
// F
float F_a, F_b;
float dotLH5 = pow(1.0 - dotLH, 5.0);
F_a = 1.0;
F_b = dotLH5;
// V
float vis;
float k = alpha / 2.0;
float k2 = k * k;
float invK2 = 1.0 - k2;
//vis = rcp(dotLH * dotLH * invK2 + k2);
vis = inversesqrt(dotLH * dotLH * invK2 + k2);
return vec2(F_a * vis, F_b * vis);
}
float LightingFuncGGX_D(float dotNH, float roughness) {
float alpha = roughness * roughness;
float alphaSqr = alpha * alpha;
float pi = 3.14159;
float denom = dotNH * dotNH * (alphaSqr - 1.0) + 1.0;
float D = alphaSqr / (pi * denom * denom);
return D;
}
// John Hable - Optimizing GGX Shaders
// http://www.filmicworlds.com/2014/04/21/optimizing-ggx-shaders-with-dotlh/
float LightingFuncGGX_OPT3(float dotNL, float dotLH, float dotNH, float roughness, float F0) {
// vec3 H = normalize(V + L);
// float dotNL = clamp(dot(N, L), 0.0, 1.0);
// float dotLH = clamp(dot(L, H), 0.0, 1.0);
// float dotNH = clamp(dot(N, H), 0.0, 1.0);
float D = LightingFuncGGX_D(dotNH, roughness);
vec2 FV_helper = LightingFuncGGX_FV(dotLH, roughness);
float FV = F0 * FV_helper.x + (1.0 - F0) * FV_helper.y;
float specular = dotNL * D * FV;
return specular;
}
vec3 f_schlick(vec3 f0, float vh) {
return f0 + (1.0-f0)*exp2((-5.55473 * vh - 6.98316)*vh);
}
float v_smithschlick(float nl, float nv, float a) {
return 1.0 / ( (nl*(1.0-a)+a) * (nv*(1.0-a)+a) );
}
float d_ggx(float nh, float a) {
float a2 = a*a;
float denom = pow(nh*nh * (a2-1.0) + 1.0, 2.0);
return a2 * (1.0 / 3.1415926535) / denom;
}
vec3 specularBRDF(vec3 f0, float roughness, float nl, float nh, float nv, float vh, float lh) {
float a = roughness * roughness;
return d_ggx(nh, a) * clamp(v_smithschlick(nl, nv, a), 0.0, 1.0) * f_schlick(f0, vh) / 4.0;
//return vec3(LightingFuncGGX_OPT3(nl, lh, nh, roughness, f0[0]));
}
vec3 lambert(vec3 albedo, float nl) {
return albedo * max(0.0, nl);
}
vec3 burley(vec3 albedo, float roughness, float NoV, float NoL, float VoH) {
float FD90 = 0.5 + 2 * VoH * VoH * roughness;
float FdV = 1 + (FD90 - 1) * pow( 1 - NoV, 5 );
float FdL = 1 + (FD90 - 1) * pow( 1 - NoL, 5 );
return albedo * ( (1.0 / 3.1415926535) * FdV * FdL );
}
vec3 orenNayar(vec3 albedo, float roughness, float NoV, float NoL, float VoH ) {
float pi = 3.1415926535;
float a = roughness * roughness;
float s = a;// / ( 1.29 + 0.5 * a );
float s2 = s * s;
float VoL = 2.0 * VoH * VoH - 1.0; // double angle identity
float Cosri = VoL - NoV * NoL;
float C1 = 1.0 - 0.5 * s2 / (s2 + 0.33);
float test = 1.0;
if (Cosri >= 0.0) test = (1.0 / ( max( NoL, NoV ) ));
float C2 = 0.45 * s2 / (s2 + 0.09) * Cosri * test;
return albedo / pi * ( C1 + C2 ) * ( 1.0 + roughness * 0.5 );
}
vec3 diffuseBRDF(vec3 albedo, float roughness, float nv, float nl, float vh, float lv) {
return lambert(albedo, nl);
//return burley(albedo, roughness, nv, nl, vh);
//return orenNayar(albedo, roughness, lv, nl, nv);
}
vec3 surfaceAlbedo(vec3 baseColor, float metalness) {
return mix(baseColor, vec3(0.0), metalness);
}
vec3 surfaceF0(vec3 baseColor, float metalness) {
return mix(vec3(0.04), baseColor, metalness);
}
#ifdef _Rad
float getMipLevelFromRoughness(float roughness) {
// First mipmap level = roughness 0, last = roughness = 1
return roughness * envmapNumMipmaps;
}
#endif
// Linearly Transformed Cosines
/*
vec3 mul(mat3 m, vec3 v) {
return m * v;
}
mat3 mul(mat3 m1, mat3 m2) {
return m1 * m2;
}
mat3 transpose2(mat3 v) {
mat3 tmp;
tmp[0] = vec3(v[0].x, v[1].x, v[2].x);
tmp[1] = vec3(v[0].y, v[1].y, v[2].y);
tmp[2] = vec3(v[0].z, v[1].z, v[2].z);
return tmp;
}
float IntegrateEdge(vec3 v1, vec3 v2) {
float cosTheta = dot(v1, v2);
cosTheta = clamp(cosTheta, -0.9999, 0.9999);
float theta = acos(cosTheta);
float res = cross(v1, v2).z * theta / sin(theta);
return res;
}
int ClipQuadToHorizon() { //inout vec3 L[5], out int n) {
// detect clipping config
int config = 0;
if (L0.z > 0.0) config += 1;
if (L1.z > 0.0) config += 2;
if (L2.z > 0.0) config += 4;
if (L3.z > 0.0) config += 8;
// clip
int n = 0;
if (config == 0) {
// clip all
}
else if (config == 1) { // V1 clip V2 V3 V4
n = 3;
L1 = -L1.z * L0 + L0.z * L1;
L2 = -L3.z * L0 + L0.z * L3;
}
else if (config == 2) { // V2 clip V1 V3 V4
n = 3;
L0 = -L0.z * L1 + L1.z * L0;
L2 = -L2.z * L1 + L1.z * L2;
}
else if (config == 3) { // V1 V2 clip V3 V4
n = 4;
L2 = -L2.z * L1 + L1.z * L2;
L3 = -L3.z * L0 + L0.z * L3;
}
else if (config == 4) { // V3 clip V1 V2 V4
n = 3;
L0 = -L3.z * L2 + L2.z * L3;
L1 = -L1.z * L2 + L2.z * L1;
}
else if (config == 5) { // V1 V3 clip V2 V4) impossible
n = 0;
}
else if (config == 6) { // V2 V3 clip V1 V4
n = 4;
L0 = -L0.z * L1 + L1.z * L0;
L3 = -L3.z * L2 + L2.z * L3;
}
else if (config == 7) { // V1 V2 V3 clip V4
n = 5;
L4 = -L3.z * L0 + L0.z * L3;
L3 = -L3.z * L2 + L2.z * L3;
}
else if (config == 8) { // V4 clip V1 V2 V3
n = 3;
L0 = -L0.z * L3 + L3.z * L0;
L1 = -L2.z * L3 + L3.z * L2;
L2 = L3;
}
else if (config == 9) { // V1 V4 clip V2 V3
n = 4;
L1 = -L1.z * L0 + L0.z * L1;
L2 = -L2.z * L3 + L3.z * L2;
}
else if (config == 10) { // V2 V4 clip V1 V3) impossible
n = 0;
}
else if (config == 11) { // V1 V2 V4 clip V3
n = 5;
L4 = L3;
L3 = -L2.z * L3 + L3.z * L2;
L2 = -L2.z * L1 + L1.z * L2;
}
else if (config == 12) { // V3 V4 clip V1 V2
n = 4;
L1 = -L1.z * L2 + L2.z * L1;
L0 = -L0.z * L3 + L3.z * L0;
}
else if (config == 13) { // V1 V3 V4 clip V2
n = 5;
L4 = L3;
L3 = L2;
L2 = -L1.z * L2 + L2.z * L1;
L1 = -L1.z * L0 + L0.z * L1;
}
else if (config == 14) { // V2 V3 V4 clip V1
n = 5;
L4 = -L0.z * L3 + L3.z * L0;
L0 = -L0.z * L1 + L1.z * L0;
}
else if (config == 15) { // V1 V2 V3 V4
n = 4;
}
if (n == 3)
L3 = L0;
if (n == 4)
L4 = L0;
return n;
}
vec3 LTC_Evaluate(vec3 N, vec3 V, vec3 P, mat3 Minv, vec3 points0, vec3 points1, vec3 points2, vec3 points3, bool twoSided) {
// construct orthonormal basis around N
vec3 T1, T2;
T1 = normalize(V - N*dot(V, N));
T2 = cross(N, T1);
// rotate area light in (T1, T2, R) basis
Minv = mul(Minv, transpose2(mat3(T1, T2, N)));
// polygon (allocate 5 vertices for clipping)
// vec3 L[5];
L0 = mul(Minv, points0 - P);
L1 = mul(Minv, points1 - P);
L2 = mul(Minv, points2 - P);
L3 = mul(Minv, points3 - P);
int n = ClipQuadToHorizon(); //L, n);
if (n == 0) {
return vec3(0, 0, 0);
}
// project onto sphere
L0 = normalize(L0);
L1 = normalize(L1);
L2 = normalize(L2);
L3 = normalize(L3);
L4 = normalize(L4);
// integrate
float sum = 0.0;
sum += IntegrateEdge(L0, L1);
sum += IntegrateEdge(L1, L2);
sum += IntegrateEdge(L2, L3);
if (n >= 4) {
sum += IntegrateEdge(L3, L4);
}
if (n == 5) {
sum += IntegrateEdge(L4, L0);
}
sum = twoSided ? abs(sum) : max(0.0, -sum);
vec3 Lo_i = vec3(sum, sum, sum);
return Lo_i;
}*/
#ifdef _Toon
float stepmix(float edge0, float edge1, float E, float x) {
float T = clamp(0.5 * (x - edge0 + E) / E, 0.0, 1.0);
return mix(edge0, edge1, T);
}
#endif
void main() {
#ifdef _NMTex
vec3 n = (texture(snormal, texCoord).rgb * 2.0 - 1.0);
n = normalize(TBN * normalize(n));
// vec3 nn = normalize(normal);
// vec3 dp1 = dFdx( position );
// vec3 dp2 = dFdy( position );
// vec2 duv1 = dFdx( texCoord );
// vec2 duv2 = dFdy( texCoord );
// vec3 dp2perp = cross( dp2, nn );
// vec3 dp1perp = cross( nn, dp1 );
// vec3 T = dp2perp * duv1.x + dp1perp * duv2.x;
// vec3 B = dp2perp * duv1.y + dp1perp * duv2.y;
// float invmax = inversesqrt( max( dot(T,T), dot(B,B) ) );
// mat3 TBN = mat3(T * invmax, B * invmax, nn);
// vec3 n = normalize(TBN * nn);
#else
vec3 n = normalize(normal);
#endif
vec3 l = normalize(lightDir);
float dotNL = max(dot(n, l), 0.0);
float visibility = 1.0;
#ifndef _NoShadows
if (receiveShadow) {
if (lPos.w > 0.0) {
visibility = shadowTest(lPos);
}
}
#endif
vec3 baseColor = matColor.rgb;
#ifdef _AMTex
vec4 texel = texture(salbedo, texCoord);
#ifdef _AlphaTest
if (texel.a < 0.4)
discard;
#endif
texel.rgb = pow(texel.rgb, vec3(2.2));
baseColor *= texel.rgb;
#endif
vec4 outColor;
vec3 v = normalize(eyeDir);
vec3 h = normalize(v + l);
float dotNV = max(dot(n, v), 0.0);
float dotNH = max(dot(n, h), 0.0);
float dotVH = max(dot(v, h), 0.0);
float dotLV = max(dot(l, v), 0.0);
float dotLH = max(dot(l, h), 0.0);
#ifdef _MMTex
float metalness = texture(smm, texCoord).r;
#endif
vec3 albedo = surfaceAlbedo(baseColor, metalness);
vec3 f0 = surfaceF0(baseColor, metalness);
#ifdef _RMTex
float roughness = texture(srm, texCoord).r;
#endif
#ifdef _Toon
vec3 v = normalize(eyeDir);
vec3 h = normalize(v + l);
const vec3 ambientMaterial = baseColor * vec3(0.35, 0.35, 0.35) + vec3(0.15);
const vec3 diffuseMaterial = baseColor;
const vec3 specularMaterial = vec3(0.45, 0.35, 0.35);
const float shininess = 0.5;
float df = max(0.0, dotNL);
float sf = max(0.0, dot(n, h));
sf = pow(sf, shininess);
const float A = 0.1;
const float B = 0.3;
const float C = 0.6;
const float D = 1.0;
float E = fwidth(df);
bool f = false;
if (df > A - E) if (df < A + E) {
f = true;
df = stepmix(A, B, E, df);
}
/*else*/if (!f) if (df > B - E) if(df < B + E) {
f = true;
df = stepmix(B, C, E, df);
}
/*else*/if (!f) if (df > C - E) if (df < C + E) {
f = true;
df = stepmix(C, D, E, df);
}
/*else*/if (!f) if (df < A) {
df = 0.0;
}
else if (df < B) {
df = B;
}
else if (df < C) {
df = C;
}
else df = D;
E = fwidth(sf);
if (sf > 0.5 - E && sf < 0.5 + E) {
sf = smoothstep(0.5 - E, 0.5 + E, sf);
}
else {
sf = step(0.5, sf);
}
outColor.rgb = ambientMaterial + (df * diffuseMaterial + sf * specularMaterial) * visibility;
float edgeDetection = (dot(v, n) < 0.1) ? 0.0 : 1.0;
outColor.rgb *= edgeDetection;
// const int levels = 4;
// const float scaleFactor = 1.0 / levels;
// float diffuse = max(0, dotNL);
// const float material_kd = 0.8;
// const float material_ks = 0.3;
// vec3 diffuseColor = vec3(0.40, 0.60, 0.70);
// diffuseColor = diffuseColor * material_kd * floor(diffuse * levels) * scaleFactor;
// float specular = 0.0;
// if(dotNL > 0.0) {
// specular = material_ks * pow( max(0, dot( h, n)), shininess);
// }
// // Limit specular
// float specMask = (pow(dot(h, n), shininess) > 0.4) ? 1.0 : 0.0;
// float edgeDetection = (dot(v, n) > 0.3) ? 1.0 : 0.0;
// outColor.rgb = edgeDetection * ((diffuseColor + specular * specMask) * visibility + ambientMaterial);
#endif
// LTC
// const float rectSizeX = 2.5;
// const float rectSizeY = 1.2;
// vec3 ex = vec3(1, 0, 0)*rectSizeX;
// vec3 ey = vec3(0, 0, 1)*rectSizeY;
// vec3 p1 = light - ex + ey;
// vec3 p2 = light + ex + ey;
// vec3 p3 = light + ex - ey;
// vec3 p4 = light - ex - ey;
// float theta = acos(dotNV);
// vec2 tuv = vec2(roughness, theta/(0.5*PI));
// tuv = tuv*LUT_SCALE + LUT_BIAS;
// vec4 t = texture(sltcMat, tuv);
// mat3 Minv = mat3(
// vec3( 1, t.y, 0),
// vec3( 0, 0, t.z),
// vec3(t.w, 0, t.x)
// );
// vec3 ltcspec = LTC_Evaluate(n, v, position, Minv, p1, p2, p3, p4, true);
// ltcspec *= texture(sltcMag, tuv).a;
// vec3 ltcdiff = LTC_Evaluate(n, v, position, mat3(1), p1, p2, p3, p4, true);
// vec3 ltccol = ltcspec + ltcdiff * albedo;
// ltccol /= 2.0*PI;
// Direct
vec3 direct = diffuseBRDF(albedo, roughness, dotNV, dotNL, dotVH, dotLV) + specularBRDF(f0, roughness, dotNL, dotNH, dotNV, dotVH, dotLH);
direct = direct * lightColor * lightStrength;
// Indirect
vec3 indirectDiffuse = shIrradiance(n, 2.2) / PI;
#ifdef _EnvLDR
indirectDiffuse = pow(indirectDiffuse, vec3(2.2));
#endif
indirectDiffuse *= albedo;
vec3 indirect = indirectDiffuse;
#ifdef _Rad
vec3 reflectionWorld = reflect(-v, n);
float lod = getMipLevelFromRoughness(roughness);// + 1.0;
vec3 prefilteredColor = textureLod(senvmapRadiance, envMapEquirect(reflectionWorld), lod).rgb;
#ifdef _EnvLDR
prefilteredColor = pow(prefilteredColor, vec3(2.2));
#endif
vec2 envBRDF = texture(senvmapBrdf, vec2(roughness, 1.0 - dotNV)).xy;
vec3 indirectSpecular = prefilteredColor * (f0 * envBRDF.x + envBRDF.y);
indirect += indirectSpecular;
#endif
indirect = indirect * lightColor * lightStrength * envmapStrength;
outColor = vec4(vec3(direct * visibility + indirect), 1.0);
#ifdef _OMTex
vec3 occ = texture(som, texCoord).rgb;
outColor.rgb *= occ;
#else
outColor.rgb *= occlusion;
#endif
// LTC
// outColor.rgb = ltccol * 10.0 * visibility + indirect / 14.0;
#ifdef _LDR
gl_FragColor = vec4(pow(outColor.rgb, vec3(1.0 / 2.2)), outColor.a);
#else
gl_FragColor = vec4(outColor.rgb, outColor.a);
#endif
}

141
raw/deferred/overlay.vert.glsl Normal file
View file

@ -0,0 +1,141 @@
#version 450
#ifdef GL_ES
precision highp float;
#endif
#ifdef _NMTex
#define _Tex
#endif
in vec3 pos;
in vec3 nor;
#ifdef _AMTex
in vec2 tex;
#endif
#ifdef _VCols
in vec3 col;
#endif
#ifdef _NMTex
in vec3 tan;
#endif
#ifdef _Skinning
in vec4 bone;
in vec4 weight;
#endif
#ifdef _Instancing
in vec3 off;
#endif
uniform mat4 M;
uniform mat4 NM;
uniform mat4 V;
uniform mat4 P;
uniform mat4 LMVP;
uniform vec4 albedo_color;
uniform vec3 eye;
#ifdef _Skinning
uniform float skinBones[50 * 12];
#endif
out vec3 position;
#ifdef _Tex
out vec2 texCoord;
#endif
out vec4 lPos;
out vec4 matColor;
out vec3 eyeDir;
#ifdef _NMTex
out mat3 TBN;
#else
out vec3 normal;
#endif
#ifdef _Skinning
mat4 getBoneMat(const int boneIndex) {
vec4 v0 = vec4(skinBones[boneIndex * 12 + 0],
skinBones[boneIndex * 12 + 1],
skinBones[boneIndex * 12 + 2],
skinBones[boneIndex * 12 + 3]);
vec4 v1 = vec4(skinBones[boneIndex * 12 + 4],
skinBones[boneIndex * 12 + 5],
skinBones[boneIndex * 12 + 6],
skinBones[boneIndex * 12 + 7]);
vec4 v2 = vec4(skinBones[boneIndex * 12 + 8],
skinBones[boneIndex * 12 + 9],
skinBones[boneIndex * 12 + 10],
skinBones[boneIndex * 12 + 11]);
return mat4(v0.x, v0.y, v0.z, v0.w,
v1.x, v1.y, v1.z, v1.w,
v2.x, v2.y, v2.z, v2.w,
0, 0, 0, 1);
}
mat4 getSkinningMat() {
return weight.x * getBoneMat(int(bone.x)) +
weight.y * getBoneMat(int(bone.y)) +
weight.z * getBoneMat(int(bone.z)) +
weight.w * getBoneMat(int(bone.w));
}
mat3 getSkinningMatVec(const mat4 skinningMat) {
return mat3(skinningMat[0].xyz, skinningMat[1].xyz, skinningMat[2].xyz);
}
#endif
void main() {
#ifdef _Instancing
vec4 sPos = (vec4(pos + off, 1.0));
#else
vec4 sPos = (vec4(pos, 1.0));
#endif
#ifdef _Skinning
mat4 skinningMat = getSkinningMat();
mat3 skinningMatVec = getSkinningMatVec(skinningMat);
sPos = sPos * skinningMat;
#endif
lPos = LMVP * sPos;
mat4 VM = V * M;
#ifdef _Billboard
// Spherical
VM[0][0] = 1.0; VM[0][1] = 0.0; VM[0][2] = 0.0;
VM[1][0] = 0.0; VM[1][1] = 1.0; VM[1][2] = 0.0;
VM[2][0] = 0.0; VM[2][1] = 0.0; VM[2][2] = 1.0;
// Cylindrical
//VM[0][0] = 1.0; VM[0][1] = 0.0; VM[0][2] = 0.0;
//VM[2][0] = 0.0; VM[2][1] = 0.0; VM[2][2] = 1.0;
#endif
gl_Position = P * VM * sPos;
#ifdef _Tex
texCoord = tex;
#endif
#ifdef _Skinning
vec3 _normal = normalize(mat3(NM) * (nor * skinningMatVec));
#else
vec3 _normal = normalize(mat3(NM) * nor);
#endif
matColor = albedo_color;
#ifdef _VCols
matColor.rgb *= col;
#endif
vec3 mPos = vec4(M * sPos).xyz;
position = mPos;
eyeDir = eye - mPos;
#ifdef _NMTex
vec3 tangent = (mat3(NM) * (tan));
vec3 bitangent = normalize(cross(_normal, tangent));
TBN = mat3(tangent, bitangent, _normal);
#else
normal = _normal;
#endif
}

4
raw/deferred_light/deferred_light.frag.glsl
View file

@ -707,9 +707,7 @@ vec3 shIrradiance(vec3 nor, float scale) {
void main() {
float depth = texture(gbufferD, texCoord).r * 2.0 - 1.0;
// float depth = 1.0 - g0.a;
// if (depth == 0.0) discard;
if (depth == 1.0) discard;
// if (depth == 1.0) discard;
vec4 g0 = texture(gbuffer0, texCoord); // Normal.xy, occlusion, mask
vec4 g1 = texture(gbuffer1, texCoord); // Base color.rgb, roughn/met

2
raw/env_map/env_map.shader.json
View file

@ -5,7 +5,7 @@
"params": [
{
"id": "depth_write",
"value": "false"
"value": "true"
},
{
"id": "compare_mode",

95
raw/forward/forward.shader.json
View file

@ -95,6 +95,101 @@
"vertex_shader": "forward.vert.glsl",
"fragment_shader": "forward.frag.glsl"
},
{
"id": "overlay",
"params": [
{
"id": "depth_write",
"value": "true"
},
{
"id": "compare_mode",
"value": "less"
},
{
"id": "cull_mode",
"value": "counter_clockwise"
}
],
"links": [
{
"id": "M",
"link": "_modelMatrix"
},
{
"id": "NM",
"link": "_normalMatrix"
},
{
"id": "V",
"link": "_viewMatrix"
},
{
"id": "P",
"link": "_projectionMatrix"
},
{
"id": "LMVP",
"link": "_lightModelViewProjectionMatrix"
},
{
"id": "lightDir",
"link": "_lightDirection"
},
{
"id": "lightColor",
"link": "_lightColor"
},
{
"id": "lightStrength",
"link": "_lightStrength"
},
{
"id": "eye",
"link": "_cameraPosition"
},
{
"id": "skinBones",
"link": "_skinBones",
"ifdef": ["_Skinning"]
},
{
"id": "shirr",
"link": "_envmapIrradiance"
},
{
"id": "senvmapRadiance",
"link": "_envmapRadiance",
"ifdef": ["_Rad"]
},
{
"id": "envmapNumMipmaps",
"link": "_envmapNumMipmaps",
"ifdef": ["_Rad"]
},
{
"id": "senvmapBrdf",
"link": "_envmapBrdf",
"ifdef": ["_Rad"]
},
{
"id": "envmapStrength",
"link": "_envmapStrength"
},
{
"id": "sltcMat",
"link": "_ltcMat",
"ifdef": ["_PolyLight"]
},
{
"id": "sltcMag",
"link": "_ltcMag",
"ifdef": ["_PolyLight"]
}
],
"vertex_shader": "overlay.vert.glsl",
"fragment_shader": "overlay.frag.glsl"
},
{
"id": "shadowmap",
"params": [

699
raw/forward/overlay.frag.glsl Normal file
View file

@ -0,0 +1,699 @@
#version 450
#ifdef GL_ES
precision mediump float;
#endif
#include "../compiled.glsl"
// #ifdef _NMTex
// #define _Tex
// #endif
#ifdef _AMTex
uniform sampler2D salbedo;
#endif
#ifndef _NoShadows
uniform sampler2D shadowMap;
#endif
uniform float shirr[27];
#ifdef _Rad
uniform sampler2D senvmapRadiance;
uniform sampler2D senvmapBrdf;
uniform int envmapNumMipmaps;
#endif
// uniform sampler2D sltcMat;
// uniform sampler2D sltcMag;
#ifdef _NMTex
uniform sampler2D snormal;
#endif
#ifdef _OMTex
uniform sampler2D som;
#else
uniform float occlusion;
#endif
#ifdef _RMTex
uniform sampler2D srm;
#else
uniform float roughness;
#endif
#ifdef _MMTex
uniform sampler2D smm;
#else
uniform float metalness;
#endif
#ifdef _HMTex
uniform sampler2D shm;
uniform float heightStrength;
#endif
uniform float envmapStrength;
uniform bool receiveShadow;
uniform vec3 lightDir;
uniform vec3 lightColor;
uniform float lightStrength;
// LTC
/*uniform vec3 light;
// const float roughness = 0.25;
const vec3 dcolor = vec3(1.0, 1.0, 1.0);
const vec3 scolor = vec3(1.0, 1.0, 1.0);
const float intensity = 4.0; // 0-10
const float width = 4.0;
const float height = 4.0;
const vec2 resolution = vec2(800.0, 600.0);
const int sampleCount = 0;
const int NUM_SAMPLES = 8;
const float LUT_SIZE = 64.0;
const float LUT_SCALE = (LUT_SIZE - 1.0)/LUT_SIZE;
const float LUT_BIAS = 0.5/LUT_SIZE;
// vec2 mys[NUM_SAMPLES];
vec3 L0 = vec3(0.0);
vec3 L1 = vec3(0.0);
vec3 L2 = vec3(0.0);
vec3 L3 = vec3(0.0);
vec3 L4 = vec3(0.0);*/
in vec3 position;
#ifdef _Tex
in vec2 texCoord;
#endif
in vec4 lPos;
in vec4 matColor;
in vec3 eyeDir;
#ifdef _NMTex
in mat3 TBN;
#else
in vec3 normal;
#endif
#ifndef _NoShadows
// float linstep(float low, float high, float v) {
// return clamp((v - low) / (high - low), 0.0, 1.0);
// }
// float VSM(vec2 uv, float compare) {
// vec2 moments = texture(shadowMap, uv).xy;
// float p = smoothstep(compare - 0.02, compare, moments.x);
// float variance = max(moments.y - moments.x * moments.x, -0.001);
// float d = compare - moments.x;
// float p_max = linstep(0.2, 1.0, variance / (variance + d * d));
// return clamp(max(p, p_max), 0.0, 1.0);
// }
float texture2DCompare(vec2 uv, float compare){
float depth = texture(shadowMap, uv).r * 2.0 - 1.0;
return step(compare, depth);
}
float texture2DShadowLerp(vec2 size, vec2 uv, float compare){
vec2 texelSize = vec2(1.0) / size;
vec2 f = fract(uv * size + 0.5);
vec2 centroidUV = floor(uv * size + 0.5) / size;
float lb = texture2DCompare(centroidUV + texelSize * vec2(0.0, 0.0), compare);
float lt = texture2DCompare(centroidUV + texelSize * vec2(0.0, 1.0), compare);
float rb = texture2DCompare(centroidUV + texelSize * vec2(1.0, 0.0), compare);
float rt = texture2DCompare(centroidUV + texelSize * vec2(1.0, 1.0), compare);
float a = mix(lb, lt, f.y);
float b = mix(rb, rt, f.y);
float c = mix(a, b, f.x);
return c;
}
float PCF(vec2 uv, float compare) {
float result = 0.0;
// for (int x = -1; x <= 1; x++){
// for(int y = -1; y <= 1; y++){
// vec2 off = vec2(x, y) / shadowmapSize;
// result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
vec2 off = vec2(-1, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(-1, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(-1, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(0, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, -1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, 0) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
off = vec2(1, 1) / shadowmapSize;
result += texture2DShadowLerp(shadowmapSize, uv + off, compare);
// }
// }
return result / 9.0;
}
float shadowTest(vec4 lPos) {
vec4 lPosH = lPos / lPos.w;
lPosH.x = (lPosH.x + 1.0) / 2.0;
lPosH.y = (lPosH.y + 1.0) / 2.0;
return PCF(lPosH.xy, lPosH.z - shadowsBias);
// return VSM(lPosH.xy, lPosH.z);
// Basic
// float distanceFromLight = texture(shadowMap, lPosH.xy).r * 2.0 - 1.0;
// return float(distanceFromLight > lPosH.z - bias);
}
#endif
vec3 shIrradiance(vec3 nor, float scale) {
const float c1 = 0.429043;
const float c2 = 0.511664;
const float c3 = 0.743125;
const float c4 = 0.886227;
const float c5 = 0.247708;
vec3 cl00, cl1m1, cl10, cl11, cl2m2, cl2m1, cl20, cl21, cl22;
cl00 = vec3(shirr[0], shirr[1], shirr[2]);
cl1m1 = vec3(shirr[3], shirr[4], shirr[5]);
cl10 = vec3(shirr[6], shirr[7], shirr[8]);
cl11 = vec3(shirr[9], shirr[10], shirr[11]);
cl2m2 = vec3(shirr[12], shirr[13], shirr[14]);
cl2m1 = vec3(shirr[15], shirr[16], shirr[17]);
cl20 = vec3(shirr[18], shirr[19], shirr[20]);
cl21 = vec3(shirr[21], shirr[22], shirr[23]);
cl22 = vec3(shirr[24], shirr[25], shirr[26]);
return (
c1 * cl22 * (nor.x * nor.x - (-nor.z) * (-nor.z)) +
c3 * cl20 * nor.y * nor.y +
c4 * cl00 -
c5 * cl20 +
2.0 * c1 * cl2m2 * nor.x * (-nor.z) +
2.0 * c1 * cl21 * nor.x * nor.y +
2.0 * c1 * cl2m1 * (-nor.z) * nor.y +
2.0 * c2 * cl11 * nor.x +
2.0 * c2 * cl1m1 * (-nor.z) +
2.0 * c2 * cl10 * nor.y
) * scale;
}
vec2 envMapEquirect(vec3 normal) {
float phi = acos(normal.z);
float theta = atan(-normal.y, normal.x) + PI;
return vec2(theta / PI2, phi / PI);
}
vec2 LightingFuncGGX_FV(float dotLH, float roughness) {
float alpha = roughness*roughness;
// F
float F_a, F_b;
float dotLH5 = pow(1.0 - dotLH, 5.0);
F_a = 1.0;
F_b = dotLH5;
// V
float vis;
float k = alpha / 2.0;
float k2 = k * k;
float invK2 = 1.0 - k2;
//vis = rcp(dotLH * dotLH * invK2 + k2);
vis = inversesqrt(dotLH * dotLH * invK2 + k2);
return vec2(F_a * vis, F_b * vis);
}
float LightingFuncGGX_D(float dotNH, float roughness) {
float alpha = roughness * roughness;
float alphaSqr = alpha * alpha;
float pi = 3.14159;
float denom = dotNH * dotNH * (alphaSqr - 1.0) + 1.0;
float D = alphaSqr / (pi * denom * denom);
return D;
}
// John Hable - Optimizing GGX Shaders
// http://www.filmicworlds.com/2014/04/21/optimizing-ggx-shaders-with-dotlh/
float LightingFuncGGX_OPT3(float dotNL, float dotLH, float dotNH, float roughness, float F0) {
// vec3 H = normalize(V + L);
// float dotNL = clamp(dot(N, L), 0.0, 1.0);
// float dotLH = clamp(dot(L, H), 0.0, 1.0);
// float dotNH = clamp(dot(N, H), 0.0, 1.0);
float D = LightingFuncGGX_D(dotNH, roughness);
vec2 FV_helper = LightingFuncGGX_FV(dotLH, roughness);
float FV = F0 * FV_helper.x + (1.0 - F0) * FV_helper.y;
float specular = dotNL * D * FV;
return specular;
}
vec3 f_schlick(vec3 f0, float vh) {
return f0 + (1.0-f0)*exp2((-5.55473 * vh - 6.98316)*vh);
}
float v_smithschlick(float nl, float nv, float a) {
return 1.0 / ( (nl*(1.0-a)+a) * (nv*(1.0-a)+a) );
}
float d_ggx(float nh, float a) {
float a2 = a*a;
float denom = pow(nh*nh * (a2-1.0) + 1.0, 2.0);
return a2 * (1.0 / 3.1415926535) / denom;
}
vec3 specularBRDF(vec3 f0, float roughness, float nl, float nh, float nv, float vh, float lh) {
float a = roughness * roughness;
return d_ggx(nh, a) * clamp(v_smithschlick(nl, nv, a), 0.0, 1.0) * f_schlick(f0, vh) / 4.0;
//return vec3(LightingFuncGGX_OPT3(nl, lh, nh, roughness, f0[0]));
}
vec3 lambert(vec3 albedo, float nl) {
return albedo * max(0.0, nl);
}
vec3 burley(vec3 albedo, float roughness, float NoV, float NoL, float VoH) {
float FD90 = 0.5 + 2 * VoH * VoH * roughness;
float FdV = 1 + (FD90 - 1) * pow( 1 - NoV, 5 );
float FdL = 1 + (FD90 - 1) * pow( 1 - NoL, 5 );
return albedo * ( (1.0 / 3.1415926535) * FdV * FdL );
}
vec3 orenNayar(vec3 albedo, float roughness, float NoV, float NoL, float VoH ) {
float pi = 3.1415926535;
float a = roughness * roughness;
float s = a;// / ( 1.29 + 0.5 * a );
float s2 = s * s;
float VoL = 2.0 * VoH * VoH - 1.0; // double angle identity
float Cosri = VoL - NoV * NoL;
float C1 = 1.0 - 0.5 * s2 / (s2 + 0.33);
float test = 1.0;
if (Cosri >= 0.0) test = (1.0 / ( max( NoL, NoV ) ));
float C2 = 0.45 * s2 / (s2 + 0.09) * Cosri * test;
return albedo / pi * ( C1 + C2 ) * ( 1.0 + roughness * 0.5 );
}
vec3 diffuseBRDF(vec3 albedo, float roughness, float nv, float nl, float vh, float lv) {
return lambert(albedo, nl);
//return burley(albedo, roughness, nv, nl, vh);
//return orenNayar(albedo, roughness, lv, nl, nv);
}
vec3 surfaceAlbedo(vec3 baseColor, float metalness) {
return mix(baseColor, vec3(0.0), metalness);
}
vec3 surfaceF0(vec3 baseColor, float metalness) {
return mix(vec3(0.04), baseColor, metalness);
}
#ifdef _Rad
float getMipLevelFromRoughness(float roughness) {
// First mipmap level = roughness 0, last = roughness = 1
return roughness * envmapNumMipmaps;
}
#endif
// Linearly Transformed Cosines
/*
vec3 mul(mat3 m, vec3 v) {
return m * v;
}
mat3 mul(mat3 m1, mat3 m2) {
return m1 * m2;
}
mat3 transpose2(mat3 v) {
mat3 tmp;
tmp[0] = vec3(v[0].x, v[1].x, v[2].x);
tmp[1] = vec3(v[0].y, v[1].y, v[2].y);
tmp[2] = vec3(v[0].z, v[1].z, v[2].z);
return tmp;
}
float IntegrateEdge(vec3 v1, vec3 v2) {
float cosTheta = dot(v1, v2);
cosTheta = clamp(cosTheta, -0.9999, 0.9999);
float theta = acos(cosTheta);
float res = cross(v1, v2).z * theta / sin(theta);
return res;
}
int ClipQuadToHorizon() { //inout vec3 L[5], out int n) {
// detect clipping config
int config = 0;
if (L0.z > 0.0) config += 1;
if (L1.z > 0.0) config += 2;
if (L2.z > 0.0) config += 4;
if (L3.z > 0.0) config += 8;
// clip
int n = 0;
if (config == 0) {
// clip all
}
else if (config == 1) { // V1 clip V2 V3 V4
n = 3;
L1 = -L1.z * L0 + L0.z * L1;
L2 = -L3.z * L0 + L0.z * L3;
}
else if (config == 2) { // V2 clip V1 V3 V4
n = 3;
L0 = -L0.z * L1 + L1.z * L0;
L2 = -L2.z * L1 + L1.z * L2;
}
else if (config == 3) { // V1 V2 clip V3 V4
n = 4;
L2 = -L2.z * L1 + L1.z * L2;
L3 = -L3.z * L0 + L0.z * L3;
}
else if (config == 4) { // V3 clip V1 V2 V4
n = 3;
L0 = -L3.z * L2 + L2.z * L3;
L1 = -L1.z * L2 + L2.z * L1;
}
else if (config == 5) { // V1 V3 clip V2 V4) impossible
n = 0;
}
else if (config == 6) { // V2 V3 clip V1 V4
n = 4;
L0 = -L0.z * L1 + L1.z * L0;
L3 = -L3.z * L2 + L2.z * L3;
}
else if (config == 7) { // V1 V2 V3 clip V4
n = 5;
L4 = -L3.z * L0 + L0.z * L3;
L3 = -L3.z * L2 + L2.z * L3;
}
else if (config == 8) { // V4 clip V1 V2 V3
n = 3;
L0 = -L0.z * L3 + L3.z * L0;
L1 = -L2.z * L3 + L3.z * L2;
L2 = L3;
}
else if (config == 9) { // V1 V4 clip V2 V3
n = 4;
L1 = -L1.z * L0 + L0.z * L1;
L2 = -L2.z * L3 + L3.z * L2;
}
else if (config == 10) { // V2 V4 clip V1 V3) impossible
n = 0;
}
else if (config == 11) { // V1 V2 V4 clip V3
n = 5;
L4 = L3;
L3 = -L2.z * L3 + L3.z * L2;
L2 = -L2.z * L1 + L1.z * L2;
}
else if (config == 12) { // V3 V4 clip V1 V2
n = 4;
L1 = -L1.z * L2 + L2.z * L1;
L0 = -L0.z * L3 + L3.z * L0;
}
else if (config == 13) { // V1 V3 V4 clip V2
n = 5;
L4 = L3;
L3 = L2;
L2 = -L1.z * L2 + L2.z * L1;
L1 = -L1.z * L0 + L0.z * L1;
}
else if (config == 14) { // V2 V3 V4 clip V1
n = 5;
L4 = -L0.z * L3 + L3.z * L0;
L0 = -L0.z * L1 + L1.z * L0;
}
else if (config == 15) { // V1 V2 V3 V4
n = 4;
}
if (n == 3)
L3 = L0;
if (n == 4)
L4 = L0;
return n;
}
vec3 LTC_Evaluate(vec3 N, vec3 V, vec3 P, mat3 Minv, vec3 points0, vec3 points1, vec3 points2, vec3 points3, bool twoSided) {
// construct orthonormal basis around N
vec3 T1, T2;
T1 = normalize(V - N*dot(V, N));
T2 = cross(N, T1);
// rotate area light in (T1, T2, R) basis
Minv = mul(Minv, transpose2(mat3(T1, T2, N)));
// polygon (allocate 5 vertices for clipping)
// vec3 L[5];
L0 = mul(Minv, points0 - P);
L1 = mul(Minv, points1 - P);
L2 = mul(Minv, points2 - P);
L3 = mul(Minv, points3 - P);
int n = ClipQuadToHorizon(); //L, n);
if (n == 0) {
return vec3(0, 0, 0);
}
// project onto sphere
L0 = normalize(L0);
L1 = normalize(L1);
L2 = normalize(L2);
L3 = normalize(L3);
L4 = normalize(L4);
// integrate
float sum = 0.0;
sum += IntegrateEdge(L0, L1);
sum += IntegrateEdge(L1, L2);
sum += IntegrateEdge(L2, L3);
if (n >= 4) {
sum += IntegrateEdge(L3, L4);
}
if (n == 5) {
sum += IntegrateEdge(L4, L0);
}
sum = twoSided ? abs(sum) : max(0.0, -sum);
vec3 Lo_i = vec3(sum, sum, sum);
return Lo_i;
}*/
#ifdef _Toon
float stepmix(float edge0, float edge1, float E, float x) {
float T = clamp(0.5 * (x - edge0 + E) / E, 0.0, 1.0);
return mix(edge0, edge1, T);
}
#endif
void main() {
#ifdef _NMTex
vec3 n = (texture(snormal, texCoord).rgb * 2.0 - 1.0);
n = normalize(TBN * normalize(n));
// vec3 nn = normalize(normal);
// vec3 dp1 = dFdx( position );
// vec3 dp2 = dFdy( position );
// vec2 duv1 = dFdx( texCoord );
// vec2 duv2 = dFdy( texCoord );
// vec3 dp2perp = cross( dp2, nn );
// vec3 dp1perp = cross( nn, dp1 );
// vec3 T = dp2perp * duv1.x + dp1perp * duv2.x;
// vec3 B = dp2perp * duv1.y + dp1perp * duv2.y;
// float invmax = inversesqrt( max( dot(T,T), dot(B,B) ) );
// mat3 TBN = mat3(T * invmax, B * invmax, nn);
// vec3 n = normalize(TBN * nn);
#else
vec3 n = normalize(normal);
#endif
vec3 l = normalize(lightDir);
float dotNL = max(dot(n, l), 0.0);
float visibility = 1.0;
#ifndef _NoShadows
if (receiveShadow) {
if (lPos.w > 0.0) {
visibility = shadowTest(lPos);
}
}
#endif
vec3 baseColor = matColor.rgb;
#ifdef _AMTex
vec4 texel = texture(salbedo, texCoord);
#ifdef _AlphaTest
if (texel.a < 0.4)
discard;
#endif
texel.rgb = pow(texel.rgb, vec3(2.2));
baseColor *= texel.rgb;
#endif
vec4 outColor;
vec3 v = normalize(eyeDir);
vec3 h = normalize(v + l);
float dotNV = max(dot(n, v), 0.0);
float dotNH = max(dot(n, h), 0.0);
float dotVH = max(dot(v, h), 0.0);
float dotLV = max(dot(l, v), 0.0);
float dotLH = max(dot(l, h), 0.0);
#ifdef _MMTex
float metalness = texture(smm, texCoord).r;
#endif
vec3 albedo = surfaceAlbedo(baseColor, metalness);
vec3 f0 = surfaceF0(baseColor, metalness);
#ifdef _RMTex
float roughness = texture(srm, texCoord).r;
#endif
#ifdef _Toon
vec3 v = normalize(eyeDir);
vec3 h = normalize(v + l);
const vec3 ambientMaterial = baseColor * vec3(0.35, 0.35, 0.35) + vec3(0.15);
const vec3 diffuseMaterial = baseColor;
const vec3 specularMaterial = vec3(0.45, 0.35, 0.35);
const float shininess = 0.5;
float df = max(0.0, dotNL);
float sf = max(0.0, dot(n, h));
sf = pow(sf, shininess);
const float A = 0.1;
const float B = 0.3;
const float C = 0.6;
const float D = 1.0;
float E = fwidth(df);
bool f = false;
if (df > A - E) if (df < A + E) {
f = true;
df = stepmix(A, B, E, df);
}
/*else*/if (!f) if (df > B - E) if(df < B + E) {
f = true;
df = stepmix(B, C, E, df);
}
/*else*/if (!f) if (df > C - E) if (df < C + E) {
f = true;
df = stepmix(C, D, E, df);
}
/*else*/if (!f) if (df < A) {
df = 0.0;
}
else if (df < B) {
df = B;
}
else if (df < C) {
df = C;
}
else df = D;
E = fwidth(sf);
if (sf > 0.5 - E && sf < 0.5 + E) {
sf = smoothstep(0.5 - E, 0.5 + E, sf);
}
else {
sf = step(0.5, sf);
}
outColor.rgb = ambientMaterial + (df * diffuseMaterial + sf * specularMaterial) * visibility;
float edgeDetection = (dot(v, n) < 0.1) ? 0.0 : 1.0;
outColor.rgb *= edgeDetection;
// const int levels = 4;
// const float scaleFactor = 1.0 / levels;
// float diffuse = max(0, dotNL);
// const float material_kd = 0.8;
// const float material_ks = 0.3;
// vec3 diffuseColor = vec3(0.40, 0.60, 0.70);
// diffuseColor = diffuseColor * material_kd * floor(diffuse * levels) * scaleFactor;
// float specular = 0.0;
// if(dotNL > 0.0) {
// specular = material_ks * pow( max(0, dot( h, n)), shininess);
// }
// // Limit specular
// float specMask = (pow(dot(h, n), shininess) > 0.4) ? 1.0 : 0.0;
// float edgeDetection = (dot(v, n) > 0.3) ? 1.0 : 0.0;
// outColor.rgb = edgeDetection * ((diffuseColor + specular * specMask) * visibility + ambientMaterial);
#endif
// LTC
// const float rectSizeX = 2.5;
// const float rectSizeY = 1.2;
// vec3 ex = vec3(1, 0, 0)*rectSizeX;
// vec3 ey = vec3(0, 0, 1)*rectSizeY;
// vec3 p1 = light - ex + ey;
// vec3 p2 = light + ex + ey;
// vec3 p3 = light + ex - ey;
// vec3 p4 = light - ex - ey;
// float theta = acos(dotNV);
// vec2 tuv = vec2(roughness, theta/(0.5*PI));
// tuv = tuv*LUT_SCALE + LUT_BIAS;
// vec4 t = texture(sltcMat, tuv);
// mat3 Minv = mat3(
// vec3( 1, t.y, 0),
// vec3( 0, 0, t.z),
// vec3(t.w, 0, t.x)
// );
// vec3 ltcspec = LTC_Evaluate(n, v, position, Minv, p1, p2, p3, p4, true);
// ltcspec *= texture(sltcMag, tuv).a;
// vec3 ltcdiff = LTC_Evaluate(n, v, position, mat3(1), p1, p2, p3, p4, true);
// vec3 ltccol = ltcspec + ltcdiff * albedo;
// ltccol /= 2.0*PI;
// Direct
vec3 direct = diffuseBRDF(albedo, roughness, dotNV, dotNL, dotVH, dotLV) + specularBRDF(f0, roughness, dotNL, dotNH, dotNV, dotVH, dotLH);
direct = direct * lightColor * lightStrength;
// Indirect
vec3 indirectDiffuse = shIrradiance(n, 2.2) / PI;
#ifdef _EnvLDR
indirectDiffuse = pow(indirectDiffuse, vec3(2.2));
#endif
indirectDiffuse *= albedo;
vec3 indirect = indirectDiffuse;
#ifdef _Rad
vec3 reflectionWorld = reflect(-v, n);
float lod = getMipLevelFromRoughness(roughness);// + 1.0;
vec3 prefilteredColor = textureLod(senvmapRadiance, envMapEquirect(reflectionWorld), lod).rgb;
#ifdef _EnvLDR
prefilteredColor = pow(prefilteredColor, vec3(2.2));
#endif
vec2 envBRDF = texture(senvmapBrdf, vec2(roughness, 1.0 - dotNV)).xy;
vec3 indirectSpecular = prefilteredColor * (f0 * envBRDF.x + envBRDF.y);
indirect += indirectSpecular;
#endif
indirect = indirect * lightColor * lightStrength * envmapStrength;
outColor = vec4(vec3(direct * visibility + indirect), 1.0);
#ifdef _OMTex
vec3 occ = texture(som, texCoord).rgb;
outColor.rgb *= occ;
#else
outColor.rgb *= occlusion;
#endif
// LTC
// outColor.rgb = ltccol * 10.0 * visibility + indirect / 14.0;
#ifdef _LDR
gl_FragColor = vec4(pow(outColor.rgb, vec3(1.0 / 2.2)), outColor.a);
#else
gl_FragColor = vec4(outColor.rgb, outColor.a);
#endif
}

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#version 450
#ifdef GL_ES
precision highp float;
#endif
#ifdef _NMTex
#define _Tex
#endif
in vec3 pos;
in vec3 nor;
#ifdef _AMTex
in vec2 tex;
#endif
#ifdef _VCols
in vec3 col;
#endif
#ifdef _NMTex
in vec3 tan;
#endif
#ifdef _Skinning
in vec4 bone;
in vec4 weight;
#endif
#ifdef _Instancing
in vec3 off;
#endif
uniform mat4 M;
uniform mat4 NM;
uniform mat4 V;
uniform mat4 P;
uniform mat4 LMVP;
uniform vec4 albedo_color;
uniform vec3 eye;
#ifdef _Skinning
uniform float skinBones[50 * 12];
#endif
out vec3 position;
#ifdef _Tex
out vec2 texCoord;
#endif
out vec4 lPos;
out vec4 matColor;
out vec3 eyeDir;
#ifdef _NMTex
out mat3 TBN;
#else
out vec3 normal;
#endif
#ifdef _Skinning
mat4 getBoneMat(const int boneIndex) {
vec4 v0 = vec4(skinBones[boneIndex * 12 + 0],
skinBones[boneIndex * 12 + 1],
skinBones[boneIndex * 12 + 2],
skinBones[boneIndex * 12 + 3]);
vec4 v1 = vec4(skinBones[boneIndex * 12 + 4],
skinBones[boneIndex * 12 + 5],
skinBones[boneIndex * 12 + 6],
skinBones[boneIndex * 12 + 7]);
vec4 v2 = vec4(skinBones[boneIndex * 12 + 8],
skinBones[boneIndex * 12 + 9],
skinBones[boneIndex * 12 + 10],
skinBones[boneIndex * 12 + 11]);
return mat4(v0.x, v0.y, v0.z, v0.w,
v1.x, v1.y, v1.z, v1.w,
v2.x, v2.y, v2.z, v2.w,
0, 0, 0, 1);
}
mat4 getSkinningMat() {
return weight.x * getBoneMat(int(bone.x)) +
weight.y * getBoneMat(int(bone.y)) +
weight.z * getBoneMat(int(bone.z)) +
weight.w * getBoneMat(int(bone.w));
}
mat3 getSkinningMatVec(const mat4 skinningMat) {
return mat3(skinningMat[0].xyz, skinningMat[1].xyz, skinningMat[2].xyz);
}
#endif
void main() {
#ifdef _Instancing
vec4 sPos = (vec4(pos + off, 1.0));
#else
vec4 sPos = (vec4(pos, 1.0));
#endif
#ifdef _Skinning
mat4 skinningMat = getSkinningMat();
mat3 skinningMatVec = getSkinningMatVec(skinningMat);
sPos = sPos * skinningMat;
#endif
lPos = LMVP * sPos;
mat4 VM = V * M;
#ifdef _Billboard
// Spherical
VM[0][0] = 1.0; VM[0][1] = 0.0; VM[0][2] = 0.0;
VM[1][0] = 0.0; VM[1][1] = 1.0; VM[1][2] = 0.0;
VM[2][0] = 0.0; VM[2][1] = 0.0; VM[2][2] = 1.0;
// Cylindrical
//VM[0][0] = 1.0; VM[0][1] = 0.0; VM[0][2] = 0.0;
//VM[2][0] = 0.0; VM[2][1] = 0.0; VM[2][2] = 1.0;
#endif
gl_Position = P * VM * sPos;
#ifdef _Tex
texCoord = tex;
#endif
#ifdef _Skinning
vec3 _normal = normalize(mat3(NM) * (nor * skinningMatVec));
#else
vec3 _normal = normalize(mat3(NM) * nor);
#endif
matColor = albedo_color;
#ifdef _VCols
matColor.rgb *= col;
#endif
vec3 mPos = vec4(M * sPos).xyz;
position = mPos;
eyeDir = eye - mPos;
#ifdef _NMTex
vec3 tangent = (mat3(NM) * (tan));
vec3 bitangent = normalize(cross(_normal, tangent));
TBN = mat3(tangent, bitangent, _normal);
#else
normal = _normal;
#endif
}