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PreShadow & PostShadow Support for PBRLighting.j3md (#1265)

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* Update PBRLighting.j3md

* Create PreShadowPBR.frag

* Create PostShadowPBR.frag
This commit is contained in:
Ryan McDonough 2020-01-27 01:42:52 -05:00 committed by Ali-RS
parent ffd9cfcf25
commit 233bc6f0da
3 changed files with 120 additions and 3 deletions
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6
jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.j3md
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@ -168,7 +168,7 @@ MaterialDef PBR Lighting {
Technique PreShadow {
VertexShader GLSL300 GLSL100 GLSL150 : Common/MatDefs/Shadow/PreShadow.vert
FragmentShader GLSL300 GLSL100 GLSL150 : Common/MatDefs/Shadow/PreShadow.frag
FragmentShader GLSL300 GLSL100 GLSL150 : Common/MatDefs/Shadow/PreShadowPBR.frag
WorldParameters {
WorldViewProjectionMatrix
@ -198,7 +198,7 @@ MaterialDef PBR Lighting {
Technique PostShadow{
VertexShader GLSL310 GLSL300 GLSL150: Common/MatDefs/Shadow/PostShadow.vert
FragmentShader GLSL310 GLSL300 GLSL150: Common/MatDefs/Shadow/PostShadow.frag
FragmentShader GLSL310 GLSL300 GLSL150: Common/MatDefs/Shadow/PostShadowPBR.frag
WorldParameters {
WorldViewProjectionMatrix
@ -233,7 +233,7 @@ MaterialDef PBR Lighting {
Technique PostShadow{
VertexShader GLSL100: Common/MatDefs/Shadow/PostShadow.vert
FragmentShader GLSL100: Common/MatDefs/Shadow/PostShadow.frag
FragmentShader GLSL100: Common/MatDefs/Shadow/PostShadowPBR.frag
WorldParameters {
WorldViewProjectionMatrix

89
jme3-core/src/main/resources/Common/MatDefs/Shadow/PostShadowPBR.frag Normal file
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@ -0,0 +1,89 @@
#import "Common/ShaderLib/GLSLCompat.glsllib"
#import "Common/ShaderLib/Shadows.glsllib"
#if defined(PSSM) || defined(FADE)
varying float shadowPosition;
#endif
varying vec4 projCoord0;
varying vec4 projCoord1;
varying vec4 projCoord2;
varying vec4 projCoord3;
#ifndef BACKFACE_SHADOWS
varying float nDotL;
#endif
#ifdef POINTLIGHT
varying vec4 projCoord4;
varying vec4 projCoord5;
uniform vec3 m_LightPos;
varying vec4 worldPos;
#else
#ifndef PSSM
varying float lightDot;
#endif
#endif
#ifdef DISCARD_ALPHA
#ifdef COLOR_MAP
uniform sampler2D m_ColorMap;
#else
uniform sampler2D m_BaseColorMap;
#endif
uniform float m_AlphaDiscardThreshold;
varying vec2 texCoord;
#endif
#ifdef FADE
uniform vec2 m_FadeInfo;
#endif
void main(){
#ifdef DISCARD_ALPHA
#ifdef COLOR_MAP
float alpha = texture2D(m_ColorMap,texCoord).a;
#else
float alpha = texture2D(m_BaseColorMap,texCoord).a;
#endif
if(alpha<=m_AlphaDiscardThreshold){
discard;
}
#endif
#ifndef BACKFACE_SHADOWS
if(nDotL > 0.0){
discard;
}
#endif
float shadow = 1.0;
#ifdef POINTLIGHT
shadow = getPointLightShadows(worldPos, m_LightPos,
m_ShadowMap0,m_ShadowMap1,m_ShadowMap2,m_ShadowMap3,m_ShadowMap4,m_ShadowMap5,
projCoord0, projCoord1, projCoord2, projCoord3, projCoord4, projCoord5);
#else
#ifdef PSSM
shadow = getDirectionalLightShadows(m_Splits, shadowPosition,
m_ShadowMap0,m_ShadowMap1,m_ShadowMap2,m_ShadowMap3,
projCoord0, projCoord1, projCoord2, projCoord3);
#else
//spotlight
if(lightDot < 0.0){
gl_FragColor = vec4(1.0);
return;
}
shadow = getSpotLightShadows(m_ShadowMap0,projCoord0);
#endif
#endif
#ifdef FADE
shadow = max(0.0, mix(shadow, 1.0, max(0.0, (shadowPosition - m_FadeInfo.x) * m_FadeInfo.y)));
#endif
shadow = shadow * m_ShadowIntensity + (1.0 - m_ShadowIntensity);
gl_FragColor = vec4(shadow, shadow, shadow, 1.0);
}

28
jme3-core/src/main/resources/Common/MatDefs/Shadow/PreShadowPBR.frag Normal file
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@ -0,0 +1,28 @@
#import "Common/ShaderLib/GLSLCompat.glsllib"
varying vec2 texCoord;
#ifdef DISCARD_ALPHA
#ifdef COLOR_MAP
uniform sampler2D m_ColorMap;
#else
uniform sampler2D m_BaseColorMap;
#endif
uniform float m_AlphaDiscardThreshold;
#endif
void main(){
#ifdef DISCARD_ALPHA
#ifdef COLOR_MAP
if (texture2D(m_ColorMap, texCoord).a <= m_AlphaDiscardThreshold){
discard;
}
#else
if (texture2D(m_BaseColorMap, texCoord).a <= m_AlphaDiscardThreshold){
discard;
}
#endif
#endif
gl_FragColor = vec4(1.0);
}