From 3793360167fc118e21ba28074ad2feac42093de4 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