diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl new file mode 100644 index 0000000000..5350359f75 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl @@ -0,0 +1,125 @@ +/** + * @file alphaF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $/LicenseInfo$ + */ + + + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRectShadow shadowMap0; +uniform sampler2DRectShadow shadowMap1; +uniform sampler2DRectShadow shadowMap2; +uniform sampler2DRectShadow shadowMap3; +uniform sampler2DRect depthMap; +uniform sampler2D diffuseMap; + +uniform mat4 shadow_matrix[6]; +uniform vec4 shadow_clip; +uniform vec2 screen_res; +uniform vec2 shadow_res; + +vec3 atmosLighting(vec3 light); +vec3 scaleSoftClip(vec3 light); + +varying vec3 vary_ambient; +varying vec3 vary_directional; +varying vec3 vary_fragcoord; +varying vec3 vary_position; +varying vec3 vary_pointlight_col; + +uniform float shadow_bias; + +uniform mat4 inv_proj; + +vec4 getPosition(vec2 pos_screen) +{ + float depth = texture2DRect(depthMap, pos_screen.xy).a; + vec2 sc = pos_screen.xy*2.0; + sc /= screen_res; + sc -= vec2(1.0,1.0); + vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); + vec4 pos = inv_proj * ndc; + pos.xyz /= pos.w; + pos.w = 1.0; + return pos; +} + +float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) +{ + stc.xyz /= stc.w; + stc.z += shadow_bias; + + float cs = shadow2DRect(shadowMap, stc.xyz).x; + float shadow = cs; + + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, scl, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, -scl, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, scl, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, -scl, 0.0)).x, cs); + + return shadow/5.0; +} + + +void main() +{ + vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; + frag *= screen_res; + + float shadow = 1.0; + vec4 pos = vec4(vary_position, 1.0); + + vec4 spos = pos; + + if (spos.z > -shadow_clip.w) + { + vec4 lpos; + + if (spos.z < -shadow_clip.z) + { + lpos = shadow_matrix[3]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap3, lpos, 1.5); + shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); + } + else if (spos.z < -shadow_clip.y) + { + lpos = shadow_matrix[2]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap2, lpos, 1.5); + } + else if (spos.z < -shadow_clip.x) + { + lpos = shadow_matrix[1]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap1, lpos, 1.5); + } + else + { + lpos = shadow_matrix[0]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap0, lpos, 1.5); + } + } + + vec4 diff = texture2D(diffuseMap,gl_TexCoord[0].xy); + + vec4 col = vec4(vary_ambient + vary_directional.rgb*shadow, gl_Color.a); + vec4 color = diff * col; + + color.rgb = atmosLighting(color.rgb); + + color.rgb = scaleSoftClip(color.rgb); + + color.rgb += diff.rgb * vary_pointlight_col.rgb; + + //gl_FragColor = gl_Color; + gl_FragColor = color; + //gl_FragColor.r = 0.0; + //gl_FragColor = vec4(1,shadow,1,1); + +} + |