diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl new file mode 100644 index 0000000000..45f727951e --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -0,0 +1,74 @@ +/** + * @file alphaV.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $/LicenseInfo$ + */ + +vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); +void calcAtmospherics(vec3 inPositionEye); + +float calcDirectionalLight(vec3 n, vec3 l); +float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight); + +vec3 atmosAmbient(vec3 light); +vec3 atmosAffectDirectionalLight(float lightIntensity); +vec3 scaleDownLight(vec3 light); +vec3 scaleUpLight(vec3 light); + +varying vec3 vary_ambient; +varying vec3 vary_directional; +varying vec3 vary_fragcoord; +varying vec3 vary_position; +varying vec3 vary_light; + +uniform float near_clip; +uniform float shadow_offset; +uniform float shadow_bias; + +void main() +{ + //transform vertex + gl_Position = ftransform(); + + gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0; + + vec4 pos = (gl_ModelViewMatrix * gl_Vertex); + vec3 norm = normalize(gl_NormalMatrix * gl_Normal); + + float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz)); + vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset; + + calcAtmospherics(pos.xyz); + + //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); + vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a); + + // Collect normal lights (need to be divided by two, as we later multiply by 2) + col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a); + col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); + col.rgb = scaleDownLight(col.rgb); + + // Add windlight lights + col.rgb += atmosAmbient(vec3(0.)); + + vary_light = gl_LightSource[0].position.xyz; + + vary_ambient = col.rgb*gl_Color.rgb; + vary_directional.rgb = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a))); + + col.rgb = min(col.rgb*gl_Color.rgb, 1.0); + + gl_FrontColor = col; + + gl_FogFragCoord = pos.z; + + pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip); + +} |