From 0a8cdd4ee4bd80f28bfe62252d286f5f9adee2b6 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Thu, 24 May 2012 12:24:24 -0500 Subject: MAINT-616 Fix for broken projectors. --- .../shaders/class1/deferred/spotLightF.glsl | 103 ++++++++++++++++----- 1 file changed, 81 insertions(+), 22 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl index 7ed8ed3370..cca63872de 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl @@ -24,18 +24,21 @@ */ -#extension GL_ARB_texture_rectangle : enable - #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_color; #else #define frag_color gl_FragColor #endif +//class 1 -- no shadows + +#extension GL_ARB_texture_rectangle : enable + uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; +uniform samplerCube environmentMap; uniform sampler2D noiseMap; uniform sampler2D projectionMap; @@ -46,6 +49,7 @@ 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; @@ -53,19 +57,66 @@ uniform float far_clip; uniform vec3 proj_origin; //origin of projection to be used for angular attenuation uniform float sun_wash; -uniform vec3 center; uniform vec3 color; uniform float falloff; uniform float size; VARYING vec4 vary_fragcoord; +VARYING vec3 trans_center; + uniform vec2 screen_res; uniform mat4 inv_proj; +vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + + vec2 dist = tc-vec2(0.5); + + float det = max(1.0-lod/(proj_lod*0.5), 0.0); + + float d = dot(dist,dist); + + ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0); + + return ret; +} + +vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + + vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); + + float det = min(lod/(proj_lod*0.5), 1.0); + + float d = min(dist.x, dist.y); + + float edge = 0.25*det; + + ret *= clamp(d/edge, 0.0, 1.0); + + return ret; +} + +vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) +{ + vec4 ret = texture2DLod(projectionMap, tc, lod); + + vec2 dist = tc-vec2(0.5); + + float d = dot(dist,dist); + + ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0); + + return ret; +} + + vec4 getPosition(vec2 pos_screen) { - float depth = texture2DRect(depthMap, pos_screen.xy).a; + float depth = texture2DRect(depthMap, pos_screen.xy).r; vec2 sc = pos_screen.xy*2.0; sc /= screen_res; sc -= vec2(1.0,1.0); @@ -84,16 +135,16 @@ void main() frag.xy *= screen_res; vec3 pos = getPosition(frag.xy).xyz; - vec3 lv = center.xyz-pos.xyz; + vec3 lv = trans_center.xyz-pos.xyz; float dist2 = dot(lv,lv); dist2 /= size; if (dist2 > 1.0) { discard; } - + vec3 norm = texture2DRect(normalMap, frag.xy).xyz; - norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm + norm = vec3((norm.xy-0.5)*2.0, norm.z); norm = normalize(norm); float l_dist = -dot(lv, proj_n); @@ -107,7 +158,11 @@ void main() proj_tc.xyz /= proj_tc.w; float fa = falloff+1.0; - float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 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); @@ -125,32 +180,32 @@ void main() 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); + vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod); vec3 lcol = color.rgb * plcol.rgb * plcol.a; lit = da * dist_atten * noise; col = lcol*lit*diff_tex; + amb_da += (da*0.5)*proj_ambiance; } - 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; - + //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); + vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_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*color.rgb*diff_tex.rgb*amb_plcol.rgb*amb_plcol.a; } @@ -168,18 +223,22 @@ void main() { vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - vec3 stc = (proj_mat * vec4(pfinal.xyz, 1.0)).xyz; + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); if (stc.z > 0.0) { - stc.xy /= stc.z+proj_near; - + stc.xy /= stc.w; + + float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0); + + stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5); + 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); + vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod); col += dist_atten*scol.rgb*color.rgb*scol.a*spec.rgb; } } -- cgit v1.2.3