From 49b1995d27e65f1836224c80f3980e133441b0c8 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 9 Apr 2010 01:42:50 -0500 Subject: Tweak bias on projectors. Fix some silly shader mistakes. --- .../shaders/class2/deferred/sunLightF.glsl | 29 ++++------------------ .../shaders/class2/deferred/sunLightSSAOF.glsl | 16 +++++++++--- 2 files changed, 17 insertions(+), 28 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 4974bbef9e..46db3c990c 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -75,28 +75,10 @@ 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; - stc.z += shadow_bias*scl; + stc.z += spot_shadow_bias*scl; float cs = shadow2D(shadowMap, stc.xyz).x; float shadow = cs; @@ -107,8 +89,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs); shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs); shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs); - - + return shadow/5.0; //return shadow; @@ -200,15 +181,15 @@ void main() gl_FragColor[0] = shadow; gl_FragColor[1] = 1.0; - spos.xyz = shadow_pos*offset*spot_shadow_offset; + spos.xyz = shadow_pos+offset*spot_shadow_offset; //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; - gl_FragColor[2] = pcfSpotShadow(shadowMap4, lpos, 0.8).x; + gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); //spotlight shadow 2 lpos = shadow_matrix[5]*spos; - gl_FragColor[3] = pcfSpotShadow(shadowMap5, lpos, 0.8).x; + gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); //gl_FragColor.rgb = pos.xyz; //gl_FragColor.b = shadow; diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index d77d17942a..a0dfc96f14 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -40,6 +40,9 @@ 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; @@ -134,7 +137,7 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl) { stc.xyz /= stc.w; - stc.z += shadow_bias*scl; + stc.z += spot_shadow_bias*scl; float cs = shadow2D(shadowMap, stc.xyz).x; float shadow = cs; @@ -173,7 +176,10 @@ 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) { @@ -235,13 +241,15 @@ void main() gl_FragColor[0] = shadow; gl_FragColor[1] = calcAmbientOcclusion(pos, norm); + 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] = pcfShadow(shadowMap4, lpos, 0.8); //spotlight shadow 2 lpos = shadow_matrix[5]*spos; - gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; + gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); //gl_FragColor.rgb = pos.xyz; //gl_FragColor.b = shadow; -- cgit v1.2.3