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Single pass lighting now computes view dir in the appropriate space out of the lights loop as it's the same for all lights.

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This commit is contained in:
Nehon 2014-11-15 11:10:48 +01:00
parent 196744eec5
commit 3bad91ef19
1 changed files with 5 additions and 4 deletions
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9
jme3-core/src/main/resources/Common/MatDefs/Light/SPLighting.frag
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@ -162,6 +162,9 @@ void main(){
#ifdef NORMALMAP
mat3 tbnMat = mat3(normalize(vTangent.xyz) , normalize(vBinormal.xyz) , normalize(vNormal.xyz));
vec3 viewDir = normalize(-vPos.xyz * tbnMat);
#else
vec3 viewDir = normalize(-vPos.xyz);
#endif
for( int i = 0;i < NB_LIGHTS; i+=3){
@ -183,12 +186,10 @@ void main(){
#ifdef NORMALMAP
//Normal map -> lighting is computed in tangent space
lightDir.xyz = normalize(lightDir.xyz * tbnMat);
vec3 viewDir = normalize(-vPos.xyz * tbnMat);
lightDir.xyz = normalize(lightDir.xyz * tbnMat);
#else
//no Normal map -> lighting is computed in view space
lightDir.xyz = normalize(lightDir.xyz);
vec3 viewDir = normalize(-vPos.xyz);
lightDir.xyz = normalize(lightDir.xyz);
#endif
vec2 light = computeLighting(normal, viewDir, lightDir.xyz, lightDir.w * spotFallOff , m_Shininess);