diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl index 0848adba73..864ba4859d 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl @@ -133,7 +133,18 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) } -vec4 getPosition(vec2 pos_screen); +vec4 getPosition(vec2 pos_screen) +{ + float depth = texture2DRect(depthMap, pos_screen.xy).r; + 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 /= pos.w; + pos.w = 1.0; + return pos; +} void main() { |