From 0afe1fd41dbc3ec593931e6626b210a29130fa0b Mon Sep 17 00:00:00 2001 From: Palmer Date: Fri, 26 Mar 2010 13:19:01 -0700 Subject: Applied (manually in places) diff from svn.lindenlab.com/svn/linden/branches/render-pipeline/render-pipeline-7@135361 to get deferred rendering changes from the svn branch. Bleh! --- .../newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 2 +- indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index 651959413c..45884d5732 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -137,7 +137,7 @@ void main() } //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod); + vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_lod); amb_da += (da*da*0.5+0.5)*proj_ambiance; diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index a0026edcd2..4333cc64a7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -224,11 +224,11 @@ void main() //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; - gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.1).x; + gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; //spotlight shadow 2 lpos = shadow_matrix[5]*spos; - gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.1).x; + gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; //gl_FragColor.rgb = pos.xyz; //gl_FragColor.b = shadow; -- cgit v1.2.3 From ce7eb236fc3f0ed708899e2aa65dd9b876769850 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 4 Jan 2010 11:50:04 -0600 Subject: CTS-54 Fix for SSAO artifacts far away. --- .../shaders/class2/deferred/sunLightF.glsl | 82 ++++++++++++---------- 1 file changed, 46 insertions(+), 36 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 4333cc64a7..74a948f584 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -55,51 +55,61 @@ vec4 getPosition(vec2 pos_screen) //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 ret = 1.0; - float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); + float dist = dot(pos.xyz,pos.xyz); - // 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++) + if (dist < 64.0*64.0) { - vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect); - vec3 samppos_world = getPosition(samppos_screen).xyz; + 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; - vec3 diff = pos_world - samppos_world; - float dist2 = dot(diff, diff); + float angle_hidden = 0.0; + int points = 0; - // 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) + float scale = min(ssao_radius / -pos_world.z, ssao_max_radius); - //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); + // 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); + } - // '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); + + ret = (1.0 - (float(points != 0) * angle_hidden)); + ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0); } - angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0); - - return (1.0 - (float(points != 0) * angle_hidden)); + return min(ret, 1.0); } float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) -- cgit v1.2.3 From 5afb4373c4be036bd2f8e8aa7c3a192fbdf91c20 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 8 Jan 2010 13:31:04 -0600 Subject: Cleaned up visible edges of projector frustum in diffuse/specular/ambient lighting from projectors. --- .../shaders/class2/deferred/multiSpotLightF.glsl | 58 ++++++++++++++++++++-- .../shaders/class2/deferred/spotLightF.glsl | 11 ---- 2 files changed, 54 insertions(+), 15 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index 45884d5732..3e29c684e8 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -43,6 +43,52 @@ 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; @@ -126,7 +172,7 @@ void main() 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 = gl_Color.rgb * plcol.rgb * plcol.a; @@ -137,7 +183,7 @@ void main() } //float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0); - vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_lod); + vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod); amb_da += (da*da*0.5+0.5)*proj_ambiance; @@ -167,13 +213,17 @@ void main() if (stc.z > 0.0) { 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*gl_Color.rgb*scol.a*spec.rgb*shadow; } } diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl index d6534083cf..6617e33c0d 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -179,17 +179,6 @@ void main() } } - /*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; -- cgit v1.2.3 From 0fcdf05366c604c66e11cf0b6cc26c5fdbe3265f Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 00:22:13 -0800 Subject: spot-aware light func usage in ALL shaders. --- .../app_settings/shaders/class2/deferred/alphaV.glsl | 14 +++++++------- .../app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 14 +++++++------- 2 files changed, 14 insertions(+), 14 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 5991e1f3b5..eec655e3df 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -9,7 +9,7 @@ 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); +float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight); vec3 atmosAmbient(vec3 light); vec3 atmosAffectDirectionalLight(float lightIntensity); @@ -50,12 +50,12 @@ void main() 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[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a); col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl index a939499b17..488bd677e1 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl @@ -10,7 +10,7 @@ mat4 getSkinnedTransform(); void calcAtmospherics(vec3 inPositionEye); float calcDirectionalLight(vec3 n, vec3 l); -float calcPointLight(vec3 v, vec3 n, vec4 lp, float la); +float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight); vec3 atmosAmbient(vec3 light); vec3 atmosAffectDirectionalLight(float lightIntensity); @@ -61,12 +61,12 @@ void main() 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[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); + col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a); + col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a); + col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a); + col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a); + col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a); col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); -- cgit v1.2.3 From 35ed9dd2986aac6471a9c089bad6ff6062e34177 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 00:31:39 -0800 Subject: Don't scale windlight lights up just to scale them down again later. avoid this with rearrangement. not tested. --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 10 ++++------ .../app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 10 ++++------ 2 files changed, 8 insertions(+), 12 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index eec655e3df..05a32578c1 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -42,12 +42,7 @@ void main() 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); + vec4 col(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); @@ -59,6 +54,9 @@ void main() col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); + // Add windlight lights + col.rgb += atmosAmbient(vec3(0.)); + vary_light = gl_LightSource[0].position.xyz; vary_ambient = col.rgb*gl_Color.rgb; diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl index 488bd677e1..d63baeb913 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl @@ -53,12 +53,7 @@ void main() 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); + vec4 col(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); @@ -70,6 +65,9 @@ void main() col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz); col.rgb = scaleDownLight(col.rgb); + // Add windlight lights + col.rgb += atmosAmbient(vec3(0.)); + 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))); -- cgit v1.2.3 From a857a71e097f3778a167c88980dc59c6960958bd Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 29 Jan 2010 01:45:13 -0800 Subject: fix a variety of shader errors, mostly due to my confusing glsl with C++... again --- indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 2 +- indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl index 05a32578c1..1fae8c4da3 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl @@ -42,7 +42,7 @@ void main() calcAtmospherics(pos.xyz); //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); - vec4 col(0.0, 0.0, 0.0, gl_Color.a); + vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl index d63baeb913..f8dd1b7431 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl @@ -53,7 +53,8 @@ void main() calcAtmospherics(pos.xyz); //vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.)); - vec4 col(0.0, 0.0, 0.0, gl_Color.a); + + vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a); // Collect normal lights (need to be divided by two, as we later multiply by 2) col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a); -- cgit v1.2.3 From 69befdfb34db1a18170de5e75f3076e4cbe5dc53 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 5 Mar 2010 10:49:52 -0600 Subject: Fix for sun specular highlights showing up in shadow when diffuse ambiance greater than 0. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 531f7376a3..249ac7ef9b 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -275,7 +275,7 @@ void main() { 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.rgb += vary_SunlitColor*scol_ambocc.r*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a; } col = atmosLighting(col); -- cgit v1.2.3 From 18432d1bc5bdab244b6054af73c5e4cf3d855164 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Sun, 7 Mar 2010 11:34:31 +0000 Subject: Add a touch of fakey ripple to shadows on the surface of water, as if the water has depth. Using 4th component of the normal map to encode a position displacement (along the normal) in the class2 shadow lookup. --- indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 74a948f584..50502dbdad 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -159,7 +159,9 @@ void main() vec4 pos = getPosition(pos_screen); - vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0; + vec4 nmap4 = texture2DRect(normalMap, pos_screen); + float displace = nmap4.w; + vec3 norm = nmap4.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 { @@ -168,9 +170,9 @@ void main() }*/ float shadow = 1.0; - float dp_directional_light = max(0.0, dot(norm, vary_light.xyz)); + 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); + vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0); if (spos.z > -shadow_clip.w) { -- cgit v1.2.3 From 3de4396aa4e96ae5ad1b9384b57d19caf8e674ac Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 17 Mar 2010 22:22:02 -0500 Subject: CTS-110 Remove soft alpha in deferred pipeline (breaks some content). Will revisit soft alpha in materials project. --- .../newview/app_settings/shaders/class2/deferred/alphaF.glsl | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl index ad16de6d81..665fe16b43 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl @@ -29,8 +29,6 @@ varying vec3 vary_fragcoord; varying vec3 vary_position; varying vec3 vary_light; -uniform float alpha_soften; - uniform float shadow_bias; uniform mat4 inv_proj; @@ -115,15 +113,6 @@ void main() 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; -- cgit v1.2.3 From 32d0d01e864409d966430d005e62869564902b12 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Fri, 19 Mar 2010 18:14:17 -0500 Subject: RenderDeferredSSAO works as an independent setting -- decoupled shadows from SSAO. --- .../shaders/class2/deferred/multiSpotLightF.glsl | 3 - .../shaders/class2/deferred/softenLightF.glsl | 10 +--- .../shaders/class2/deferred/spotLightF.glsl | 4 -- .../shaders/class2/deferred/sunLightF.glsl | 64 +--------------------- 4 files changed, 4 insertions(+), 77 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl index 3e29c684e8..5308e5bb1e 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -230,9 +230,6 @@ void main() } } - //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/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 249ac7ef9b..589a292751 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -11,6 +11,7 @@ uniform sampler2DRect diffuseRect; uniform sampler2DRect specularRect; uniform sampler2DRect normalMap; uniform sampler2DRect lightMap; +uniform sampler2DRect depthMap; uniform sampler2D noiseMap; uniform samplerCube environmentMap; uniform sampler2D lightFunc; @@ -41,7 +42,6 @@ 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; @@ -282,13 +282,5 @@ void main() 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/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl index 6617e33c0d..eeaecc157f 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -179,10 +179,6 @@ void main() } } - //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 index 50502dbdad..04c9a4d19a 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -7,6 +7,8 @@ #extension GL_ARB_texture_rectangle : enable +//class 2, shadows, no SSAO + uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; uniform sampler2DRectShadow shadowMap0; @@ -52,66 +54,6 @@ vec4 getPosition(vec2 pos_screen) return pos; } -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm) -{ - float ret = 1.0; - - float dist = dot(pos.xyz,pos.xyz); - - if (dist < 64.0*64.0) - { - 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); - - ret = (1.0 - (float(points != 0) * angle_hidden)); - ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0); - } - - return min(ret, 1.0); -} - float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl) { stc.xyz /= stc.w; @@ -232,7 +174,7 @@ void main() } gl_FragColor[0] = shadow; - gl_FragColor[1] = calcAmbientOcclusion(pos, norm); + gl_FragColor[1] = 1.0; //spotlight shadow 1 vec4 lpos = shadow_matrix[4]*spos; -- cgit v1.2.3 From b576cbfb4289adfe8eecc793cf5e4e7a8f1b502e Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Sat, 20 Mar 2010 14:15:13 -0500 Subject: SSAO version of sunLight shaders. --- .../shaders/class2/deferred/sunLightSSAOF.glsl | 248 +++++++++++++++++++++ 1 file changed, 248 insertions(+) create mode 100644 indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl new file mode 100644 index 0000000000..d77d17942a --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -0,0 +1,248 @@ +/** + * @file sunLightSSAOF.glsl + * + * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#extension GL_ARB_texture_rectangle : enable + +//class 2 -- shadows and SSAO + +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) +{ + float ret = 1.0; + + float dist = dot(pos.xyz,pos.xyz); + + if (dist < 64.0*64.0) + { + 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); + + ret = (1.0 - (float(points != 0) * angle_hidden)); + ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0); + } + + return min(ret, 1.0); +} + +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); + + vec4 nmap4 = texture2DRect(normalMap, pos_screen); + float displace = nmap4.w; + vec3 norm = nmap4.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 + displace*norm + 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, 0.8).x; + + //spotlight shadow 2 + lpos = shadow_matrix[5]*spos; + gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; + + //gl_FragColor.rgb = pos.xyz; + //gl_FragColor.b = shadow; +} -- cgit v1.2.3 From 61a47a0f626830cef6c430780f69b5c9ed2d321e Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Mon, 22 Mar 2010 16:10:34 +0000 Subject: screen-space reflections mk4. generally subtle. very cheap. --- .../shaders/class2/deferred/softenLightF.glsl | 48 ++++++++++++++++++---- 1 file changed, 40 insertions(+), 8 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 589a292751..c5530c5f59 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -55,9 +55,8 @@ 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; +vec4 getPosition_d(vec2 pos_screen, float depth) +{ vec2 sc = pos_screen.xy*2.0; sc /= screen_res; sc -= vec2(1.0,1.0); @@ -68,6 +67,12 @@ vec4 getPosition(vec2 pos_screen) return pos; } +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; + return getPosition_d(pos_screen, depth); +} + vec3 getPositionEye() { return vary_PositionEye; @@ -251,7 +256,8 @@ vec3 scaleSoftClip(vec3 light) void main() { vec2 tc = vary_fragcoord.xy; - vec3 pos = getPosition(tc).xyz; + float depth = texture2DRect(depthMap, tc.xy).a; + vec3 pos = getPosition_d(tc, depth).xyz; vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0; //vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz; @@ -271,11 +277,37 @@ void main() col *= diffuse.rgb; - if (spec.a > 0.0) + if (spec.a > 0.0) // specular reflection { - vec3 ref = normalize(reflect(pos.xyz, norm.xyz)); - float sa = dot(ref, vary_light.xyz); - col.rgb += vary_SunlitColor*scol_ambocc.r*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a; + // the old infinite-sky shiny reflection + // + vec3 refnorm = normalize(reflect(pos.xyz, norm.xyz)); + float sa = dot(refnorm, vary_light.xyz); + vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a; + + // screen-space cheap fakey reflection map + // + // first figure out where we'll make our 2D guess from + vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + // get attributes from the 2D guess point + float refdepth = texture2DRect(depthMap, ref2d).a; + vec3 refpos = getPosition_d(ref2d, refdepth).xyz; + vec3 refcol = texture2DRect(diffuseRect, ref2d).rgb; + float refshad = texture2DRect(lightMap, ref2d).r; + vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0); + // figure out how appropriate our guess actually was + float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos))); + // darken reflections from points which face away from the reflected ray - our guess was a back-face + //refapprop *= step(dot(refnorm, refn), 0.0); + refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant + // get appropriate light strength for guess-point + float reflit = min(max(dot(refn, vary_light.xyz), 0.0), refshad); + // apply sun color to guess-point, dampen according to inappropriateness of guess + vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop; + vec3 ssshiny = (refprod * spec.a); + + // add the two types of shiny together + col += (ssshiny + dumbshiny) * spec.rgb; } col = atmosLighting(col); -- cgit v1.2.3 From 42b7edb0f1d7e18fae87aa67cbcbca06e8ee1969 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 26 Mar 2010 09:07:08 +0000 Subject: screen-space reflections: remember to unbias the value from the depth map. don't use varying version of lightnorm for lighting the reflection-guess-point. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index c5530c5f59..9305d77ddb 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -287,6 +287,7 @@ void main() // screen-space cheap fakey reflection map // + depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; // get attributes from the 2D guess point @@ -301,7 +302,7 @@ void main() //refapprop *= step(dot(refnorm, refn), 0.0); refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant // get appropriate light strength for guess-point - float reflit = min(max(dot(refn, vary_light.xyz), 0.0), refshad); + float reflit = min(max(dot(refn, lightnorm.xyz), 0.0), refshad); // apply sun color to guess-point, dampen according to inappropriateness of guess vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop; vec3 ssshiny = (refprod * spec.a); -- cgit v1.2.3 From d6cc8b9226d78addd85ef5f2095b230a3a426ad3 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Sun, 28 Mar 2010 21:45:32 +0100 Subject: ss reflections: make the guess less far from the source. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 9305d77ddb..78e4c179d7 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -289,7 +289,7 @@ void main() // depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from - vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3 From a6d45be78af9e5ef547fa594c284a878bdf19ffb Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Mon, 29 Mar 2010 11:30:08 +0100 Subject: ss reflections tweakage: + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // of the diffuse map. LOD would be better in that regard. + // The goal of the blur is to soften reflections in surfaces + // with low shinyness, and also to disguise our lameness. --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 78e4c179d7..5769288a36 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -290,6 +290,14 @@ void main() depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // of the diffuse map. LOD would be better in that regard. + // The goal of the blur is to soften reflections in surfaces + // with low shinyness, and also to disguise our lameness. + float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 + ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3 From 8294a543625e24ffa239e0d838b4f5a86e527efe Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Wed, 31 Mar 2010 18:27:50 +0100 Subject: debug ssreflection blur direction. minor. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 5769288a36..922a07c306 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -289,7 +289,7 @@ void main() // depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from - vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; // Offset the guess source a little according to a trivial // checkerboard dither function and spec.a. // This is meant to be similar to sampling a blurred version @@ -298,6 +298,7 @@ void main() // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); + ref2d += tc.xy; // use as offset from destination // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3 From e9d8427d0542ebd147ad9680deba61e283f032ac Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 2 Apr 2010 16:03:20 +0100 Subject: apply ssreflection changes to class2 and class3 too. --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 922a07c306..d6fbae7b22 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -281,12 +281,13 @@ void main() { // the old infinite-sky shiny reflection // - vec3 refnorm = normalize(reflect(pos.xyz, norm.xyz)); - float sa = dot(refnorm, vary_light.xyz); + vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + float sa = dot(refnormpersp, vary_light.xyz); vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a; // screen-space cheap fakey reflection map // + vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz)); depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; @@ -311,9 +312,13 @@ void main() //refapprop *= step(dot(refnorm, refn), 0.0); refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant // get appropriate light strength for guess-point - float reflit = min(max(dot(refn, lightnorm.xyz), 0.0), refshad); + // reflect light direction to increase the illusion that + // these are reflections. + vec3 reflight = reflect(lightnorm.xyz, norm.xyz); + float reflit = max(dot(refn, reflight.xyz), 0.0); // apply sun color to guess-point, dampen according to inappropriateness of guess - vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop; + float refmod = min(refapprop, reflit); + vec3 refprod = vary_SunlitColor * refcol.rgb * refmod; vec3 ssshiny = (refprod * spec.a); // add the two types of shiny together -- cgit v1.2.3 From 45a99b8d0d061e5c703141e51f19579b0de00f02 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 2 Apr 2010 16:09:31 +0100 Subject: ssreflection: restore the shadow factor I accidentally removed with the last update. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index d6fbae7b22..00a6a9dcb5 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -315,7 +315,7 @@ void main() // reflect light direction to increase the illusion that // these are reflections. vec3 reflight = reflect(lightnorm.xyz, norm.xyz); - float reflit = max(dot(refn, reflight.xyz), 0.0); + float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad); // apply sun color to guess-point, dampen according to inappropriateness of guess float refmod = min(refapprop, reflit); vec3 refprod = vary_SunlitColor * refcol.rgb * refmod; -- cgit v1.2.3 From 429beb3049dd0bac811de2faf4501f2fab597d2f Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Wed, 7 Apr 2010 10:31:56 +0100 Subject: apply latest ssreflections tweaks to class2 and class3. --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 00a6a9dcb5..dbccb7fb8b 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -298,12 +298,19 @@ void main() // The goal of the blur is to soften reflections in surfaces // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 - ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); + vec2 checkoffset = normalize(ref2d)*5.0*(1.0-spec.a)*(checkerboard-0.5); + ref2d += checkoffset; ref2d += tc.xy; // use as offset from destination - // get attributes from the 2D guess point + // Get attributes from the 2D guess point. + // We average two samples of diffuse (not of anything else) per + // pixel to try to reduce aliasing some more. + // --------------------- + // ^ ^ ^ ^ ^ + // a . b o c . d check=0:avg(a,b) check=1:avg(c,d) + vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d).rgb + + texture2DRect(diffuseRect, ref2d + checkoffset*2.0).rgb); float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; - vec3 refcol = texture2DRect(diffuseRect, ref2d).rgb; float refshad = texture2DRect(lightMap, ref2d).r; vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0); // figure out how appropriate our guess actually was -- cgit v1.2.3 From 4d6c9c33fa564e13deaa79363a484b391e175477 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 7 Apr 2010 12:41:44 -0500 Subject: Shadow aliasing fix WIP --- .../shaders/class2/deferred/sunLightF.glsl | 32 ++++++++++++++++++++-- 1 file changed, 29 insertions(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') 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; -- cgit v1.2.3 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/deferred') 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 From f3d4648ef5c670d519945ca72958e161d5aa12f4 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 16 Apr 2010 12:19:30 +0100 Subject: strengthen the fakey blur in the fakey ssreflections. (transplanted from 940e02cbe4fa2f996d11500392e71f3a00e1cfed) (transplanted from 1ee9eaf155ed897a5a7b86369c1f5160455094f0) --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index dbccb7fb8b..1fd54b5607 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -298,7 +298,7 @@ void main() // The goal of the blur is to soften reflections in surfaces // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 - vec2 checkoffset = normalize(ref2d)*5.0*(1.0-spec.a)*(checkerboard-0.5); + vec2 checkoffset = normalize(ref2d)*9.0*(1.0-spec.a)*(checkerboard-0.5); ref2d += checkoffset; ref2d += tc.xy; // use as offset from destination // Get attributes from the 2D guess point. -- cgit v1.2.3 From bcf60463c90f65caf13bcb94e2d4a77bee07fe8e Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Wed, 21 Apr 2010 14:27:54 +0100 Subject: port class1 ssreflections tweaks to class2 and class3 (transplanted from 19036fc277d88c364e957019a66b4cdf4cce8b53) --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 1fd54b5607..2982cd3e09 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -298,17 +298,14 @@ void main() // The goal of the blur is to soften reflections in surfaces // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 - vec2 checkoffset = normalize(ref2d)*9.0*(1.0-spec.a)*(checkerboard-0.5); - ref2d += checkoffset; + float checkoffset = 1.0 + (7.0*(1.0-spec.a))*(checkerboard-0.5); + ref2d += vec2(checkoffset, checkoffset); ref2d += tc.xy; // use as offset from destination // Get attributes from the 2D guess point. // We average two samples of diffuse (not of anything else) per // pixel to try to reduce aliasing some more. - // --------------------- - // ^ ^ ^ ^ ^ - // a . b o c . d check=0:avg(a,b) check=1:avg(c,d) - vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d).rgb + - texture2DRect(diffuseRect, ref2d + checkoffset*2.0).rgb); + vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb + + texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb); float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; float refshad = texture2DRect(lightMap, ref2d).r; -- cgit v1.2.3 From 31f8565e35b1759a6f0d82141ca2538a40fc39c4 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Thu, 22 Apr 2010 21:33:10 +0100 Subject: ssreflections: dampen/blur ssreflections rather more. (transplanted from 4c4ae8d8f0795244fda258c157177e2778bfc444) --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 2982cd3e09..28cfc6322e 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -298,7 +298,7 @@ void main() // The goal of the blur is to soften reflections in surfaces // with low shinyness, and also to disguise our lameness. float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 - float checkoffset = 1.0 + (7.0*(1.0-spec.a))*(checkerboard-0.5); + float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5); ref2d += vec2(checkoffset, checkoffset); ref2d += tc.xy; // use as offset from destination // Get attributes from the 2D guess point. @@ -324,6 +324,7 @@ void main() float refmod = min(refapprop, reflit); vec3 refprod = vary_SunlitColor * refcol.rgb * refmod; vec3 ssshiny = (refprod * spec.a); + ssshiny *= 0.3; // dampen it even more // add the two types of shiny together col += (ssshiny + dumbshiny) * spec.rgb; -- cgit v1.2.3 From a8e51a64d21f34710eb7de8f06d1e0dc4bf4951a Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 23 Apr 2010 13:37:03 +0100 Subject: Restore a bit of the non-deferred renderer's sun/moon waterglow in deferred rendering. This also adds a slight pinch of glow to shiny sun-spots. So be it. (transplanted from 5a0d9e5b5cfb2ecd96685f0275ab8e999ab86263) (transplanted from 90f0ce75b2d7bb9fc03e84245db27a16508cde63) --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 28cfc6322e..67ef3d5280 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -269,6 +269,7 @@ void main() vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; float scol = max(scol_ambocc.r, diffuse.a); float ambocc = scol_ambocc.g; + float glowresult = 0.0; calcAtmospherics(pos.xyz, ambocc); @@ -284,6 +285,7 @@ void main() vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); float sa = dot(refnormpersp, vary_light.xyz); vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a; + glowresult = 0.08 * dot(dumbshiny.rgb, spec.rgb); // screen-space cheap fakey reflection map // @@ -334,5 +336,5 @@ void main() col = scaleSoftClip(col); gl_FragColor.rgb = col; - gl_FragColor.a = 0.0; + gl_FragColor.a = glowresult; } -- cgit v1.2.3 From 2101531e7f04662ad23f33bad1e4642b6e47bb2c Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Fri, 23 Apr 2010 17:35:26 +0100 Subject: Backed out changeset b379d162769e --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 67ef3d5280..28cfc6322e 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -269,7 +269,6 @@ void main() vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; float scol = max(scol_ambocc.r, diffuse.a); float ambocc = scol_ambocc.g; - float glowresult = 0.0; calcAtmospherics(pos.xyz, ambocc); @@ -285,7 +284,6 @@ void main() vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); float sa = dot(refnormpersp, vary_light.xyz); vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a; - glowresult = 0.08 * dot(dumbshiny.rgb, spec.rgb); // screen-space cheap fakey reflection map // @@ -336,5 +334,5 @@ void main() col = scaleSoftClip(col); gl_FragColor.rgb = col; - gl_FragColor.a = glowresult; + gl_FragColor.a = 0.0; } -- cgit v1.2.3 From e996eab27850d635461e919549060da569e9dc6b Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Thu, 6 May 2010 13:53:52 +0100 Subject: EXT-6912 FIXED Deferred Rendering - shiny objects look like a projection instead of a reflection Disable screen-space shiny while I chew on it some more. --- indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 +++ 1 file changed, 3 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 28cfc6322e..bc84720b86 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -285,6 +285,7 @@ void main() float sa = dot(refnormpersp, vary_light.xyz); vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a; + /* // screen-space cheap fakey reflection map // vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz)); @@ -325,6 +326,8 @@ void main() vec3 refprod = vary_SunlitColor * refcol.rgb * refmod; vec3 ssshiny = (refprod * spec.a); ssshiny *= 0.3; // dampen it even more + */ + vec3 ssshiny = vec3(0,0,0); // add the two types of shiny together col += (ssshiny + dumbshiny) * spec.rgb; -- cgit v1.2.3