From 2929998982f37221a58b9fa8037748a2e905f4b1 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Tue, 6 Nov 2018 19:33:04 +0000 Subject: Move to using a shared deferredUtil object for getting pos/norm from gbuffer. Eliminate 20+ callsites with copy-paste of getPosition and/or getNorm code. Make pipeline use getShadowTarget/releaseShadowTarget consistently. --- .../shaders/class2/deferred/multiSpotLightF.glsl | 13 +--- .../shaders/class2/deferred/softenLightF.glsl | 51 ++----------- .../shaders/class2/deferred/softenLightV.glsl | 2 - .../shaders/class2/deferred/spotLightF.glsl | 13 +--- .../shaders/class2/deferred/sunLightF.glsl | 26 ++----- .../shaders/class2/deferred/sunLightSSAOF.glsl | 86 ++-------------------- 6 files changed, 19 insertions(+), 172 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 864ba4859d..0848adba73 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl @@ -133,18 +133,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) } -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - 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; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index c92dbda185..33f3eb46c0 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -83,51 +83,12 @@ vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten); vec3 fullbrightScaleSoftClipFrag(vec3 l); vec3 scaleSoftClipFrag(vec3 l); -vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten) -{ - if (no_atmo == 1) - { - return light; - } - return (light + additive) * atten.r * 2.0; -} - -vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) { - if (no_atmo == 1) - { - return light; - } - float brightness = dot(light.rgb, vec3(0.33333)); - return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive.rgb, brightness * brightness); -} - -vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) { - if (no_atmo == 1) - { - return light; - } - float brightness = dot(light.rgb, vec3(0.33333)); - return mix(atmosTransportFrag(light.rgb, additive, atten), (light.rgb + additive.rgb) * (2.0 - brightness), brightness * brightness); -} - -vec4 getPosition_d(vec2 pos_screen, float depth) -{ - 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; -} - -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).r; - return getPosition_d(pos_screen, depth); -} +vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten); +vec4 getPositionWithDepth(vec2 pos_screen, float depth); +vec4 getPosition(vec2 pos_screen); #ifdef WATER_FOG vec4 applyWaterFogView(vec3 pos, vec4 color); @@ -137,7 +98,7 @@ void main() { vec2 tc = vary_fragcoord.xy; float depth = texture2DRect(depthMap, tc.xy).r; - vec3 pos = getPosition_d(tc, depth).xyz; + vec4 pos = getPositionWithDepth(tc, depth); vec4 norm = texture2DRect(normalMap, tc); float envIntensity = norm.z; norm.xyz = decode_normal(norm.xy); // unpack norm diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl index c840d72784..8b8b338f68 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl @@ -36,7 +36,5 @@ void main() //transform vertex vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0); gl_Position = pos; - - vary_fragcoord = (pos.xy*0.5+0.5)*screen_res; } diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl index a7da140b31..80e2a9dd55 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -133,18 +133,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) } -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - 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; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index aa5e99a2f7..c4018ca61a 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -67,20 +67,9 @@ uniform float shadow_offset; uniform float spot_shadow_bias; uniform float spot_shadow_offset; +vec3 getNorm(vec2 pos_screen); vec3 decode_normal (vec2 enc); - -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - 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; -} +vec4 getPosition(vec2 pos_screen); float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen) { @@ -123,14 +112,9 @@ float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_scr 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; - norm = decode_normal(norm.xy); // unpack norm + vec2 pos_screen = vary_fragcoord.xy; + vec4 pos = getPosition(pos_screen); + vec3 norm = getNorm(pos_screen); /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL { diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl index 58f3f2f91e..bd468306ee 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl @@ -70,79 +70,10 @@ uniform float spot_shadow_offset; vec3 decode_normal (vec2 enc); -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).r; - 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; -} - -vec2 getKern(int i) -{ - 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; - - return kern[i]; -} - -//calculate decreases in ambient lighting when crowded out (SSAO) -float calcAmbientOcclusion(vec4 pos, vec3 norm) -{ - float ret = 1.0; - - 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; - float 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(getKern(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) - - float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0; - angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv); - - // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" - float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0; - points = points + diffz_val; - } - - angle_hidden = min(ssao_factor*angle_hidden/points, 1.0); - - float points_val = (points > 0.0) ? 1.0 : 0.0; - ret = (1.0 - (points_val * angle_hidden)); +vec4 getPosition(vec2 pos_screen); +vec3 getNorm(vec2 pos_screen); - ret = max(ret, 0.0); - return min(ret, 1.0); -} +float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen); float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen) { @@ -185,13 +116,8 @@ float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_scr 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; - norm = decode_normal(norm.xy); // unpack norm + vec4 pos = getPosition(pos_screen); + vec3 norm = getNorm(pos_screen); /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL { @@ -291,7 +217,7 @@ void main() } frag_color[0] = shadow; - frag_color[1] = calcAmbientOcclusion(pos, norm); + frag_color[1] = calcAmbientOcclusion(pos, norm, pos_screen); spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0); -- cgit v1.2.3