diff options
author | David Parks <davep@lindenlab.com> | 2009-09-22 11:11:45 +0000 |
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committer | David Parks <davep@lindenlab.com> | 2009-09-22 11:11:45 +0000 |
commit | 536e38ad51b89808f26d8e3cd107fe093862d22a (patch) | |
tree | 230159ae9e319f5c419f1a643177b2bbb17d52c5 /indra/newview/app_settings/shaders/class2 | |
parent | 760adead96e62cab8f9cdacc6469773a87dfbc1a (diff) |
Merging render-pipeline-6-qa-2 into viewer-2
Self reviewed.
Diffstat (limited to 'indra/newview/app_settings/shaders/class2')
16 files changed, 1619 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl new file mode 100644 index 0000000000..ad16de6d81 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl @@ -0,0 +1,132 @@ +/** + * @file alphaF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2D diffuseMap; +uniform sampler2DRectShadow shadowMap0; +uniform sampler2DRectShadow shadowMap1; +uniform sampler2DRectShadow shadowMap2; +uniform sampler2DRectShadow shadowMap3; +uniform sampler2D noiseMap; +uniform sampler2DRect depthMap; + +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_light; + +uniform float alpha_soften; + +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; + + vec3 samp_pos = getPosition(frag).xyz; + + 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 col = vec4(vary_ambient + vary_directional.rgb*shadow, gl_Color.a); + vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy) * col; + + color.rgb = atmosLighting(color.rgb); + + color.rgb = scaleSoftClip(color.rgb); + + if (samp_pos.z != 0.0 && gl_Color.a < 1.0) + { + float dist_factor = alpha_soften; + float a = gl_Color.a; + a *= a; + dist_factor *= 1.0/(1.0-a); + color.a *= min((pos.z-samp_pos.z)*dist_factor, 1.0); + } + + //gl_FragColor = gl_Color; + gl_FragColor = color; + //gl_FragColor = vec4(1,0,1,1)*shadow; + +} + 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..5991e1f3b5 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -0,0 +1,76 @@ +/** + * @file alphaV.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); +void calcAtmospherics(vec3 inPositionEye); + +float calcDirectionalLight(vec3 n, vec3 l); +float calcPointLight(vec3 v, vec3 n, vec4 lp, float la); + +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; + col.a = gl_Color.a; + + // Add windlight lights + col.rgb = atmosAmbient(vec3(0.)); + col.rgb = scaleUpLight(col.rgb); + + // Collect normal lights (need to be divided by two, as we later multiply by 2) + col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation); + col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); + col.rgb = scaleDownLight(col.rgb); + + 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); + +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl new file mode 100644 index 0000000000..a81e4caf4c --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaF.glsl @@ -0,0 +1,98 @@ +/** + * @file avatarAlphaF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2D diffuseMap; +uniform sampler2DRectShadow shadowMap0; +uniform sampler2DRectShadow shadowMap1; +uniform sampler2DRectShadow shadowMap2; +uniform sampler2DRectShadow shadowMap3; +uniform sampler2D noiseMap; + +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_position; +varying vec3 vary_normal; + +uniform float shadow_bias; + +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() +{ + float shadow = 1.0; + vec4 pos = vec4(vary_position, 1.0); + vec3 norm = normalize(vary_normal); + + //vec3 nz = texture2D(noiseMap, gl_FragCoord.xy/128.0).xyz; + + 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 col = vec4(vary_ambient + vary_directional*shadow, gl_Color.a); + vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy) * col; + + color.rgb = atmosLighting(color.rgb); + + color.rgb = scaleSoftClip(color.rgb); + + gl_FragColor = color; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl new file mode 100644 index 0000000000..a939499b17 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl @@ -0,0 +1,84 @@ +/** + * @file avatarAlphaV.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol); +mat4 getSkinnedTransform(); +void calcAtmospherics(vec3 inPositionEye); + +float calcDirectionalLight(vec3 n, vec3 l); +float calcPointLight(vec3 v, vec3 n, vec4 lp, float la); + +vec3 atmosAmbient(vec3 light); +vec3 atmosAffectDirectionalLight(float lightIntensity); +vec3 scaleDownLight(vec3 light); +vec3 scaleUpLight(vec3 light); + +varying vec3 vary_position; +varying vec3 vary_ambient; +varying vec3 vary_directional; +varying vec3 vary_normal; + +uniform float near_clip; +uniform float shadow_offset; +uniform float shadow_bias; + +void main() +{ + gl_TexCoord[0] = gl_MultiTexCoord0; + + vec4 pos; + vec3 norm; + + mat4 trans = getSkinnedTransform(); + pos.x = dot(trans[0], gl_Vertex); + pos.y = dot(trans[1], gl_Vertex); + pos.z = dot(trans[2], gl_Vertex); + pos.w = 1.0; + + norm.x = dot(trans[0].xyz, gl_Normal); + norm.y = dot(trans[1].xyz, gl_Normal); + norm.z = dot(trans[2].xyz, gl_Normal); + norm = normalize(norm); + + gl_Position = gl_ProjectionMatrix * pos; + + 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; + vary_normal = norm; + + calcAtmospherics(pos.xyz); + + //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); + vec4 col; + col.a = gl_Color.a; + + // Add windlight lights + col.rgb = atmosAmbient(vec3(0.)); + col.rgb = scaleUpLight(col.rgb); + + // Collect normal lights (need to be divided by two, as we later multiply by 2) + col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation); + col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); + col.rgb = scaleDownLight(col.rgb); + + vary_ambient = col.rgb*gl_Color.rgb; + vary_directional = 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; + +} + + diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl new file mode 100644 index 0000000000..8bd702a8da --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl @@ -0,0 +1,96 @@ +/** + * @file blurLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect depthMap; +uniform sampler2DRect normalMap; +uniform sampler2DRect lightMap; +uniform sampler2DRect edgeMap; + +uniform float dist_factor; +uniform float blur_size; +uniform vec2 delta; +uniform vec3 kern[4]; +uniform float kern_scale; + +varying vec2 vary_fragcoord; + +uniform mat4 inv_proj; +uniform vec2 screen_res; + +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 /= pos.w; + pos.w = 1.0; + return pos; +} + +void main() +{ + vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0; + vec3 pos = getPosition(vary_fragcoord.xy).xyz; + vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba; + + vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy); + + dlt /= max(-pos.z*dist_factor, 1.0); + + vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free' + vec4 col = defined_weight.xyxx * ccol; + + float e = 1.0; + for (int i = 0; i < 4; i++) + { + vec2 tc = vary_fragcoord.xy + kern[i].z*dlt; + + e = max(e, 0.0); + + vec2 wght = kern[i].xy*e; + + col += texture2DRect(lightMap, tc)*wght.xyxx; + defined_weight += wght; + + e *= e; + e -= texture2DRect(edgeMap, tc.xy).a+ + texture2DRect(edgeMap, tc.xy+dlt*0.333).a+ + texture2DRect(edgeMap, tc.xy-dlt*0.333).a; + } + + + e = 1.0; + + for (int i = 0; i < 4; i++) + { + vec2 tc = vary_fragcoord.xy - kern[i].z*dlt; + + e = max(e, 0.0); + + vec2 wght = kern[i].xy*e; + + col += texture2DRect(lightMap, tc)*wght.xyxx; + defined_weight += wght; + + e *= e; + e -= texture2DRect(edgeMap, tc.xy).a+ + texture2DRect(edgeMap, tc.xy+dlt*0.333).a+ + texture2DRect(edgeMap, tc.xy-dlt*0.333).a; + } + + + col /= defined_weight.xyxx; + + gl_FragColor = col; + + //gl_FragColor = ccol; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl new file mode 100644 index 0000000000..b7f07e5702 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/blurLightV.glsl @@ -0,0 +1,17 @@ +/** + * @file blurLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +varying vec2 vary_fragcoord; +uniform vec2 screen_res; + +void main() +{ + //transform vertex + gl_Position = ftransform(); + vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl new file mode 100644 index 0000000000..02beddd43b --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl @@ -0,0 +1,58 @@ +/** + * @file edgeF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect depthMap; +uniform sampler2DRect normalMap; + +uniform float gi_dist_cutoff; + +varying vec2 vary_fragcoord; + +uniform float depth_cutoff; +uniform float norm_cutoff; + +uniform mat4 inv_proj; +uniform vec2 screen_res; + +float getDepth(vec2 pos_screen) +{ + float z = texture2DRect(depthMap, pos_screen.xy).a; + z = z*2.0-1.0; + vec4 ndc = vec4(0.0, 0.0, z, 1.0); + vec4 p = inv_proj*ndc; + return p.z/p.w; +} + +void main() +{ + vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0; + float depth = getDepth(vary_fragcoord.xy); + + vec2 tc = vary_fragcoord.xy; + + float sc = 0.75; + + vec2 de; + de.x = (depth-getDepth(tc+vec2(sc, sc))) + (depth-getDepth(tc+vec2(-sc, -sc))); + de.y = (depth-getDepth(tc+vec2(-sc, sc))) + (depth-getDepth(tc+vec2(sc, -sc))); + de /= depth; + de *= de; + de = step(depth_cutoff, de); + + vec2 ne; + ne.x = dot(texture2DRect(normalMap, tc+vec2(-sc,-sc)).rgb*2.0-1.0, norm); + ne.y = dot(texture2DRect(normalMap, tc+vec2(sc,sc)).rgb*2.0-1.0, norm); + + ne = 1.0-ne; + + ne = step(norm_cutoff, ne); + + gl_FragColor.a = dot(de,de)+dot(ne,ne); + //gl_FragColor.a = dot(de,de); +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl new file mode 100644 index 0000000000..f1938c92b8 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl @@ -0,0 +1,17 @@ +/** + * @file edgeV.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +varying vec2 vary_fragcoord; +uniform vec2 screen_res; + +void main() +{ + //transform vertex + gl_Position = ftransform(); + vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl new file mode 100644 index 0000000000..651959413c --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -0,0 +1,188 @@ +/** + * @file multiSpotLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#version 120 + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect diffuseRect; +uniform sampler2DRect specularRect; +uniform sampler2DRect depthMap; +uniform sampler2DRect normalMap; +uniform samplerCube environmentMap; +uniform sampler2DRect lightMap; +uniform sampler2D noiseMap; +uniform sampler2D lightFunc; +uniform sampler2D projectionMap; + +uniform mat4 proj_mat; //screen space to light space +uniform float proj_near; //near clip for projection +uniform vec3 proj_p; //plane projection is emitting from (in screen space) +uniform vec3 proj_n; +uniform float proj_focus; //distance from plane to begin blurring +uniform float proj_lod; //(number of mips in proj map) +uniform float proj_range; //range between near clip and far clip plane of projection +uniform float proj_ambient_lod; +uniform float proj_ambiance; +uniform float near_clip; +uniform float far_clip; + +uniform vec3 proj_origin; //origin of projection to be used for angular attenuation +uniform float sun_wash; +uniform int proj_shadow_idx; +uniform float shadow_fade; + +varying vec4 vary_light; + +varying vec4 vary_fragcoord; +uniform vec2 screen_res; + +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 /= pos.w; + pos.w = 1.0; + return pos; +} + +void main() +{ + vec4 frag = vary_fragcoord; + frag.xyz /= frag.w; + frag.xyz = frag.xyz*0.5+0.5; + frag.xy *= screen_res; + + vec3 pos = getPosition(frag.xy).xyz; + vec3 lv = vary_light.xyz-pos.xyz; + float dist2 = dot(lv,lv); + dist2 /= vary_light.w; + if (dist2 > 1.0) + { + discard; + } + + float shadow = 1.0; + + if (proj_shadow_idx >= 0) + { + vec4 shd = texture2DRect(lightMap, frag.xy); + float sh[2]; + sh[0] = shd.b; + sh[1] = shd.a; + shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0); + } + + vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0; + + norm = normalize(norm); + float l_dist = -dot(lv, proj_n); + + vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); + if (proj_tc.z < 0.0) + { + discard; + } + + proj_tc.xyz /= proj_tc.w; + + float fa = gl_Color.a+1.0; + float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0); + if (dist_atten <= 0.0) + { + discard; + } + + lv = proj_origin-pos.xyz; + lv = normalize(lv); + float da = dot(norm, lv); + + vec3 col = vec3(0,0,0); + + vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; + + float noise = texture2D(noiseMap, frag.xy/128.0).b; + if (proj_tc.z > 0.0 && + proj_tc.x < 1.0 && + proj_tc.y < 1.0 && + proj_tc.x > 0.0 && + proj_tc.y > 0.0) + { + float lit = 0.0; + float amb_da = proj_ambiance; + + if (da > 0.0) + { + float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); + float lod = diff * proj_lod; + + vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod); + + vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a; + + lit = da * dist_atten * noise; + + col = lcol*lit*diff_tex*shadow; + amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; + } + + //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); + vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod); + + amb_da += (da*da*0.5+0.5)*proj_ambiance; + + amb_da *= dist_atten * noise; + + amb_da = min(amb_da, 1.0-lit); + + col += amb_da*gl_Color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; + } + + + vec4 spec = texture2DRect(specularRect, frag.xy); + if (spec.a > 0.0) + { + vec3 ref = reflect(normalize(pos), norm); + + //project from point pos in direction ref to plane proj_p, proj_n + vec3 pdelta = proj_p-pos; + float ds = dot(ref, proj_n); + + if (ds < 0.0) + { + vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; + + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); + + if (stc.z > 0.0) + { + stc.xy /= stc.w; + + if (stc.x < 1.0 && + stc.y < 1.0 && + stc.x > 0.0 && + stc.y > 0.0) + { + vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); + col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb*shadow; + } + } + } + } + + //attenuate point light contribution by SSAO component + col *= texture2DRect(lightMap, frag.xy).g; + + gl_FragColor.rgb = col; + gl_FragColor.a = 0.0; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class2/deferred/postDeferredF.glsl new file mode 100644 index 0000000000..ee0e9d6367 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/postDeferredF.glsl @@ -0,0 +1,59 @@ +/** + * @file postDeferredF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +uniform sampler2DRect diffuseRect; +uniform sampler2DRect localLightMap; +uniform sampler2DRect sunLightMap; +uniform sampler2DRect giLightMap; +uniform sampler2D luminanceMap; +uniform sampler2DRect lightMap; + +uniform vec3 gi_lum_quad; +uniform vec3 sun_lum_quad; +uniform vec3 lum_quad; +uniform float lum_lod; +uniform vec4 ambient; + +uniform vec3 gi_quad; + +uniform vec2 screen_res; +varying vec2 vary_fragcoord; + +void main() +{ + vec2 tc = vary_fragcoord.xy; + vec3 lcol = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb; + + float lum = sqrt(lcol.r)*lum_quad.x+lcol.r*lcol.r*lum_quad.y+lcol.r*lum_quad.z; + + vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy); + + float ambocc = texture2DRect(lightMap, vary_fragcoord.xy).g; + + vec3 gi_col = texture2DRect(giLightMap, vary_fragcoord.xy).rgb; + gi_col = gi_col*gi_col*gi_quad.x + gi_col*gi_quad.y+gi_quad.z*ambocc*ambient.rgb; + gi_col *= diff; + + vec4 sun_col = texture2DRect(sunLightMap, vary_fragcoord.xy); + + vec3 local_col = texture2DRect(localLightMap, vary_fragcoord.xy).rgb; + + + float sun_lum = 1.0-lum; + sun_lum = sun_lum*sun_lum*sun_lum_quad.x + sun_lum*sun_lum_quad.y+sun_lum_quad.z; + + float gi_lum = lum; + gi_lum = gi_lum*gi_lum*gi_lum_quad.x+gi_lum*gi_lum_quad.y+gi_lum_quad.z; + gi_col *= 1.0/gi_lum; + + vec3 col = sun_col.rgb*(1.0+max(sun_lum,0.0))+gi_col+local_col; + + gl_FragColor.rgb = col.rgb; + gl_FragColor.a = max(sun_lum*min(sun_col.r+sun_col.g+sun_col.b, 1.0), sun_col.a); + + //gl_FragColor.rgb = texture2DRect(giLightMap, vary_fragcoord.xy).rgb; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/postDeferredV.glsl b/indra/newview/app_settings/shaders/class2/deferred/postDeferredV.glsl new file mode 100644 index 0000000000..9819232fd5 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/postDeferredV.glsl @@ -0,0 +1,17 @@ +/** + * @file postDeferredV.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +varying vec2 vary_fragcoord; +uniform vec2 screen_res; + +void main() +{ + //transform vertex + gl_Position = ftransform(); + vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl new file mode 100644 index 0000000000..531f7376a3 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -0,0 +1,294 @@ +/** + * @file softenLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect diffuseRect; +uniform sampler2DRect specularRect; +uniform sampler2DRect normalMap; +uniform sampler2DRect lightMap; +uniform sampler2D noiseMap; +uniform samplerCube environmentMap; +uniform sampler2D lightFunc; +uniform vec3 gi_quad; + +uniform float blur_size; +uniform float blur_fidelity; + +// Inputs +uniform vec4 morphFactor; +uniform vec3 camPosLocal; +//uniform vec4 camPosWorld; +uniform vec4 gamma; +uniform vec4 lightnorm; +uniform vec4 sunlight_color; +uniform vec4 ambient; +uniform vec4 blue_horizon; +uniform vec4 blue_density; +uniform vec4 haze_horizon; +uniform vec4 haze_density; +uniform vec4 cloud_shadow; +uniform vec4 density_multiplier; +uniform vec4 distance_multiplier; +uniform vec4 max_y; +uniform vec4 glow; +uniform float scene_light_strength; +uniform vec3 env_mat[3]; +uniform vec4 shadow_clip; +uniform mat3 ssao_effect_mat; + +uniform sampler2DRect depthMap; +uniform mat4 inv_proj; +uniform vec2 screen_res; + +varying vec4 vary_light; +varying vec2 vary_fragcoord; + +vec3 vary_PositionEye; + +vec3 vary_SunlitColor; +vec3 vary_AmblitColor; +vec3 vary_AdditiveColor; +vec3 vary_AtmosAttenuation; + +vec4 getPosition(vec2 pos_screen) +{ //get position in screen space (world units) given window coordinate and depth map + 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 /= pos.w; + pos.w = 1.0; + return pos; +} + +vec3 getPositionEye() +{ + return vary_PositionEye; +} +vec3 getSunlitColor() +{ + return vary_SunlitColor; +} +vec3 getAmblitColor() +{ + return vary_AmblitColor; +} +vec3 getAdditiveColor() +{ + return vary_AdditiveColor; +} +vec3 getAtmosAttenuation() +{ + return vary_AtmosAttenuation; +} + + +void setPositionEye(vec3 v) +{ + vary_PositionEye = v; +} + +void setSunlitColor(vec3 v) +{ + vary_SunlitColor = v; +} + +void setAmblitColor(vec3 v) +{ + vary_AmblitColor = v; +} + +void setAdditiveColor(vec3 v) +{ + vary_AdditiveColor = v; +} + +void setAtmosAttenuation(vec3 v) +{ + vary_AtmosAttenuation = v; +} + +void calcAtmospherics(vec3 inPositionEye, float ambFactor) { + + vec3 P = inPositionEye; + setPositionEye(P); + + //(TERRAIN) limit altitude + if (P.y > max_y.x) P *= (max_y.x / P.y); + if (P.y < -max_y.x) P *= (-max_y.x / P.y); + + vec3 tmpLightnorm = lightnorm.xyz; + + vec3 Pn = normalize(P); + float Plen = length(P); + + vec4 temp1 = vec4(0); + vec3 temp2 = vec3(0); + vec4 blue_weight; + vec4 haze_weight; + vec4 sunlight = sunlight_color; + vec4 light_atten; + + //sunlight attenuation effect (hue and brightness) due to atmosphere + //this is used later for sunlight modulation at various altitudes + light_atten = (blue_density * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x); + //I had thought blue_density and haze_density should have equal weighting, + //but attenuation due to haze_density tends to seem too strong + + temp1 = blue_density + vec4(haze_density.r); + blue_weight = blue_density / temp1; + haze_weight = vec4(haze_density.r) / temp1; + + //(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain) + temp2.y = max(0.0, tmpLightnorm.y); + temp2.y = 1. / temp2.y; + sunlight *= exp( - light_atten * temp2.y); + + // main atmospheric scattering line integral + temp2.z = Plen * density_multiplier.x; + + // Transparency (-> temp1) + // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati + // compiler gets confused. + temp1 = exp(-temp1 * temp2.z * distance_multiplier.x); + + //final atmosphere attenuation factor + setAtmosAttenuation(temp1.rgb); + + //compute haze glow + //(can use temp2.x as temp because we haven't used it yet) + temp2.x = dot(Pn, tmpLightnorm.xyz); + temp2.x = 1. - temp2.x; + //temp2.x is 0 at the sun and increases away from sun + temp2.x = max(temp2.x, .03); //was glow.y + //set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + temp2.x *= glow.x; + //higher glow.x gives dimmer glow (because next step is 1 / "angle") + temp2.x = pow(temp2.x, glow.z); + //glow.z should be negative, so we're doing a sort of (1 / "angle") function + + //add "minimum anti-solar illumination" + temp2.x += .25; + + //increase ambient when there are more clouds + vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5; + + /* decrease value and saturation (that in HSV, not HSL) for occluded areas + * // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html + * // The following line of code performs the equivalent of: + * float ambAlpha = tmpAmbient.a; + * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis + * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue); + * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha); + */ + tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a); + + //haze color + setAdditiveColor( + vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient) + + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x + + tmpAmbient))); + + //brightness of surface both sunlight and ambient + setSunlitColor(vec3(sunlight * .5)); + setAmblitColor(vec3(tmpAmbient * .25)); + setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1)); +} + +vec3 atmosLighting(vec3 light) +{ + light *= getAtmosAttenuation().r; + light += getAdditiveColor(); + return (2.0 * light); +} + +vec3 atmosTransport(vec3 light) { + light *= getAtmosAttenuation().r; + light += getAdditiveColor() * 2.0; + return light; +} +vec3 atmosGetDiffuseSunlightColor() +{ + return getSunlitColor(); +} + +vec3 scaleDownLight(vec3 light) +{ + return (light / scene_light_strength ); +} + +vec3 scaleUpLight(vec3 light) +{ + return (light * scene_light_strength); +} + +vec3 atmosAmbient(vec3 light) +{ + return getAmblitColor() + light / 2.0; +} + +vec3 atmosAffectDirectionalLight(float lightIntensity) +{ + return getSunlitColor() * lightIntensity; +} + +vec3 scaleSoftClip(vec3 light) +{ + //soft clip effect: + light = 1. - clamp(light, vec3(0.), vec3(1.)); + light = 1. - pow(light, gamma.xxx); + + return light; +} + +void main() +{ + vec2 tc = vary_fragcoord.xy; + vec3 pos = getPosition(tc).xyz; + vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0; + //vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz; + + float da = max(dot(norm.xyz, vary_light.xyz), 0.0); + + vec4 diffuse = texture2DRect(diffuseRect, tc); + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); + + vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; + float scol = max(scol_ambocc.r, diffuse.a); + float ambocc = scol_ambocc.g; + + calcAtmospherics(pos.xyz, ambocc); + + vec3 col = atmosAmbient(vec3(0)); + col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a)); + + col *= diffuse.rgb; + + if (spec.a > 0.0) + { + vec3 ref = normalize(reflect(pos.xyz, norm.xyz)); + float sa = dot(ref, vary_light.xyz); + col.rgb += vary_SunlitColor*scol*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a; + } + + col = atmosLighting(col); + col = scaleSoftClip(col); + + gl_FragColor.rgb = col; + + //gl_FragColor.rgb = gi_col.rgb; + gl_FragColor.a = 0.0; + + //gl_FragColor.rg = scol_ambocc.rg; + //gl_FragColor.rgb = texture2DRect(lightMap, vary_fragcoord.xy).rgb; + //gl_FragColor.rgb = norm.rgb*0.5+0.5; + //gl_FragColor.rgb = vec3(ambocc); + //gl_FragColor.rgb = vec3(scol); +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl new file mode 100644 index 0000000000..ad8af4780d --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl @@ -0,0 +1,24 @@ +/** + * @file softenLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +uniform vec2 screen_res; + +varying vec4 vary_light; +varying vec2 vary_fragcoord; +void main() +{ + //transform vertex + gl_Position = ftransform(); + + vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; + + vec4 tex = gl_MultiTexCoord0; + tex.w = 1.0; + + vary_light = gl_MultiTexCoord0; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl new file mode 100644 index 0000000000..d6534083cf --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -0,0 +1,199 @@ +/** + * @file spotLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#version 120 + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect diffuseRect; +uniform sampler2DRect specularRect; +uniform sampler2DRect depthMap; +uniform sampler2DRect normalMap; +uniform samplerCube environmentMap; +uniform sampler2DRect lightMap; +uniform sampler2D noiseMap; +uniform sampler2D lightFunc; +uniform sampler2D projectionMap; + +uniform mat4 proj_mat; //screen space to light space +uniform float proj_near; //near clip for projection +uniform vec3 proj_p; //plane projection is emitting from (in screen space) +uniform vec3 proj_n; +uniform float proj_focus; //distance from plane to begin blurring +uniform float proj_lod; //(number of mips in proj map) +uniform float proj_range; //range between near clip and far clip plane of projection +uniform float proj_ambiance; +uniform float near_clip; +uniform float far_clip; + +uniform vec3 proj_origin; //origin of projection to be used for angular attenuation +uniform float sun_wash; +uniform int proj_shadow_idx; +uniform float shadow_fade; + +varying vec4 vary_light; + +varying vec4 vary_fragcoord; +uniform vec2 screen_res; + +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 /= pos.w; + pos.w = 1.0; + return pos; +} + +void main() +{ + vec4 frag = vary_fragcoord; + frag.xyz /= frag.w; + frag.xyz = frag.xyz*0.5+0.5; + frag.xy *= screen_res; + + float shadow = 1.0; + + if (proj_shadow_idx >= 0) + { + vec4 shd = texture2DRect(lightMap, frag.xy); + float sh[2]; + sh[0] = shd.b; + sh[1] = shd.a; + shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0); + } + + vec3 pos = getPosition(frag.xy).xyz; + vec3 lv = vary_light.xyz-pos.xyz; + float dist2 = dot(lv,lv); + dist2 /= vary_light.w; + if (dist2 > 1.0) + { + discard; + } + + vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0; + + norm = normalize(norm); + float l_dist = -dot(lv, proj_n); + + vec4 proj_tc = (proj_mat * vec4(pos.xyz, 1.0)); + if (proj_tc.z < 0.0) + { + discard; + } + + proj_tc.xyz /= proj_tc.w; + + float fa = gl_Color.a+1.0; + float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0); + + lv = proj_origin-pos.xyz; + lv = normalize(lv); + float da = dot(norm, lv); + + vec3 col = vec3(0,0,0); + + vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb; + + float noise = texture2D(noiseMap, frag.xy/128.0).b; + if (proj_tc.z > 0.0 && + proj_tc.x < 1.0 && + proj_tc.y < 1.0 && + proj_tc.x > 0.0 && + proj_tc.y > 0.0) + { + float lit = 0.0; + if (da > 0.0) + { + float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0); + float lod = diff * proj_lod; + + vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod); + + vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a; + + lit = da * dist_atten * noise; + + col = lcol*lit*diff_tex*shadow; + } + + float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); + float lod = diff * proj_lod; + vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, lod); + //float amb_da = mix(proj_ambiance, proj_ambiance*max(-da, 0.0), max(da, 0.0)); + float amb_da = proj_ambiance; + if (da > 0.0) + { + amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance; + } + + amb_da += (da*da*0.5+0.5)*proj_ambiance; + + amb_da *= dist_atten * noise; + + amb_da = min(amb_da, 1.0-lit); + + col += amb_da*gl_Color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; + } + + + vec4 spec = texture2DRect(specularRect, frag.xy); + if (spec.a > 0.0) + { + vec3 ref = reflect(normalize(pos), norm); + + //project from point pos in direction ref to plane proj_p, proj_n + vec3 pdelta = proj_p-pos; + float ds = dot(ref, proj_n); + + if (ds < 0.0) + { + vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; + + vec3 stc = (proj_mat * vec4(pfinal.xyz, 1.0)).xyz; + + if (stc.z > 0.0) + { + stc.xy /= stc.z+proj_near; + + if (stc.x < 1.0 && + stc.y < 1.0 && + stc.x > 0.0 && + stc.y > 0.0) + { + vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); + col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb*shadow; + } + } + } + } + + /*if (spec.a > 0.0) + { + //vec3 ref = reflect(normalize(pos), norm); + float sa = dot(normalize(lv-normalize(pos)),norm);; + //sa = max(sa, 0.0); + //sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0); + sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0); + sa *= noise; + col += da*sa*lcol*spec.rgb; + }*/ + + //attenuate point light contribution by SSAO component + col *= texture2DRect(lightMap, frag.xy).g; + + + gl_FragColor.rgb = col; + gl_FragColor.a = 0.0; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl new file mode 100644 index 0000000000..a0026edcd2 --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -0,0 +1,235 @@ +/** + * @file sunLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +uniform sampler2DRect depthMap; +uniform sampler2DRect normalMap; +uniform sampler2DRectShadow shadowMap0; +uniform sampler2DRectShadow shadowMap1; +uniform sampler2DRectShadow shadowMap2; +uniform sampler2DRectShadow shadowMap3; +uniform sampler2DShadow shadowMap4; +uniform sampler2DShadow shadowMap5; +uniform sampler2D noiseMap; + +uniform sampler2D lightFunc; + + +// Inputs +uniform mat4 shadow_matrix[6]; +uniform vec4 shadow_clip; +uniform float ssao_radius; +uniform float ssao_max_radius; +uniform float ssao_factor; +uniform float ssao_factor_inv; + +varying vec2 vary_fragcoord; +varying vec4 vary_light; + +uniform mat4 inv_proj; +uniform vec2 screen_res; +uniform vec2 shadow_res; +uniform vec2 proj_shadow_res; + +uniform float shadow_bias; +uniform float shadow_offset; + +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 /= pos.w; + pos.w = 1.0; + return pos; +} + +//calculate decreases in ambient lighting when crowded out (SSAO) +float calcAmbientOcclusion(vec4 pos, vec3 norm) +{ + vec2 kern[8]; + // exponentially (^2) distant occlusion samples spread around origin + kern[0] = vec2(-1.0, 0.0) * 0.125*0.125; + kern[1] = vec2(1.0, 0.0) * 0.250*0.250; + kern[2] = vec2(0.0, 1.0) * 0.375*0.375; + kern[3] = vec2(0.0, -1.0) * 0.500*0.500; + kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625; + kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750; + kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875; + kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000; + + vec2 pos_screen = vary_fragcoord.xy; + vec3 pos_world = pos.xyz; + vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy; + + float angle_hidden = 0.0; + int points = 0; + + float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); + + // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?) + for (int i = 0; i < 8; i++) + { + vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect); + vec3 samppos_world = getPosition(samppos_screen).xyz; + + vec3 diff = pos_world - samppos_world; + float dist2 = dot(diff, diff); + + // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area + // --> solid angle shrinking by the square of distance + //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2 + //(k should vary inversely with # of samples, but this is taken care of later) + + //if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) // -0.05*norm to shift sample point back slightly for flat surfaces + // angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional. max of 1.0 (= ssao_factor_inv * ssao_factor) + angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv); + + // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" + points = points + int(diff.z > -1.0); + } + + angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); + + return (1.0 - (float(points != 0) * angle_hidden)); +} + +float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) +{ + stc.xyz /= stc.w; + stc.z += 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; + + float cs = shadow2D(shadowMap, stc.xyz).x; + float shadow = cs; + + vec2 off = 1.5/proj_shadow_res; + + 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); + shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs); + + + return shadow/5.0; + + //return shadow; +} + +void main() +{ + vec2 pos_screen = vary_fragcoord.xy; + + //try doing an unproject here + + vec4 pos = getPosition(pos_screen); + + vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0; + + /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL + { + gl_FragColor = vec4(0.0); // doesn't matter + return; + }*/ + + float shadow = 1.0; + float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); + + vec4 spos = vec4(pos.xyz + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0); + + if (spos.z > -shadow_clip.w) + { + if (dp_directional_light == 0.0) + { + // if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup + shadow = 0.0; + } + else + { + vec4 lpos; + + if (spos.z < -shadow_clip.z) + { + lpos = shadow_matrix[3]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap3, lpos, 0.25); + 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, 0.5); + } + else if (spos.z < -shadow_clip.x) + { + lpos = shadow_matrix[1]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap1, lpos, 0.75); + } + else + { + lpos = shadow_matrix[0]*spos; + lpos.xy *= shadow_res; + shadow = pcfShadow(shadowMap0, lpos, 1.0); + } + + // take the most-shadowed value out of these two: + // * the blurred sun shadow in the light (shadow) map + // * an unblurred dot product between the sun and this norm + // the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting + shadow = min(shadow, dp_directional_light); + + //lpos.xy /= lpos.w*32.0; + //if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1) + //{ + // shadow = 0.0; + //} + + } + } + else + { + // more distant than the shadow map covers + shadow = 1.0; + } + + gl_FragColor[0] = shadow; + gl_FragColor[1] = calcAmbientOcclusion(pos, norm); + + //spotlight shadow 1 + vec4 lpos = shadow_matrix[4]*spos; + gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.1).x; + + //spotlight shadow 2 + lpos = shadow_matrix[5]*spos; + gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.1).x; + + //gl_FragColor.rgb = pos.xyz; + //gl_FragColor.b = shadow; +} diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl new file mode 100644 index 0000000000..5081485c4b --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl @@ -0,0 +1,25 @@ +/** + * @file sunLightF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +varying vec4 vary_light; +varying vec2 vary_fragcoord; + +uniform vec2 screen_res; + +void main() +{ + //transform vertex + gl_Position = ftransform(); + vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex; + vary_fragcoord = (pos.xy * 0.5 + 0.5)*screen_res; + vec4 tex = gl_MultiTexCoord0; + tex.w = 1.0; + + vary_light = gl_MultiTexCoord0; + + gl_FrontColor = gl_Color; +} |