diff options
author | Dave Parks <davep@lindenlab.com> | 2010-04-07 12:42:23 -0500 |
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committer | Dave Parks <davep@lindenlab.com> | 2010-04-07 12:42:23 -0500 |
commit | ea86f8c6f811397a80e23aade1f04e0bacf16780 (patch) | |
tree | 5b2c140654c2ed79f638cf379e59074364eac80b /indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | |
parent | b6d3d2281b855448bbeec33b2d229222d75cd6b1 (diff) | |
parent | 70aa3cf12405eb7c0deaedce4dd2ced81ca3e0c8 (diff) |
merge
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 04c9a4d19a..4974bbef9e 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -41,6 +41,9 @@ uniform vec2 proj_shadow_res; uniform float shadow_bias; uniform float shadow_offset; +uniform float spot_shadow_bias; +uniform float spot_shadow_offset; + vec4 getPosition(vec2 pos_screen) { float depth = texture2DRect(depthMap, pos_screen.xy).a; @@ -72,6 +75,24 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) //return shadow; } +float pcfSpotShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) +{ + stc.xyz /= stc.w; + stc.z += spot_shadow_bias*scl; + + float cs = shadow2DRect(shadowMap, stc.xyz).x; + float shadow = cs; + + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs); + shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs); + + return shadow/5.0; + + //return shadow; +} + float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) { stc.xyz /= stc.w; @@ -114,7 +135,10 @@ void main() float shadow = 1.0; float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); - vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0); + vec3 shadow_pos = pos.xyz + displace*norm; + vec3 offset = vary_light.xyz * (1.0-dp_directional_light); + + vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0); if (spos.z > -shadow_clip.w) { @@ -176,13 +200,15 @@ void main() gl_FragColor[0] = shadow; gl_FragColor[1] = 1.0; + spos.xyz = shadow_pos*offset*spot_shadow_offset; + //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; - gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; + gl_FragColor[2] = pcfSpotShadow(shadowMap4, lpos, 0.8).x; //spotlight shadow 2 lpos = shadow_matrix[5]*spos; - gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; + gl_FragColor[3] = pcfSpotShadow(shadowMap5, lpos, 0.8).x; //gl_FragColor.rgb = pos.xyz; //gl_FragColor.b = shadow; |