From c007e1197c521a1b48736cbba29e7c7dadf39c20 Mon Sep 17 00:00:00 2001 From: Graham Linden Date: Fri, 4 Jan 2019 13:26:47 -0800 Subject: Convert to using shared shadow sampling function (reduce duplicated code blocks in several shaders). --- .../shaders/class1/deferred/alphaF.glsl | 93 +---------------- .../shaders/class1/deferred/blurLightF.glsl | 4 - .../shaders/class1/deferred/materialF.glsl | 115 +-------------------- .../shaders/class1/deferred/pointLightF.glsl | 1 - .../shaders/class1/deferred/postgiF.glsl | 13 +-- .../shaders/class1/deferred/shadowUtil.glsl | 34 ++++-- .../shaders/class1/deferred/softenLightF.glsl | 29 ++---- .../shaders/class1/deferred/sunLightSSAOF.glsl | 23 ++--- 8 files changed, 49 insertions(+), 263 deletions(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred') diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index 33e61f2062..9670b39fdb 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -92,6 +92,8 @@ vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten); vec3 atmosFragAffectDirectionalLight(float light, vec3 sunlit); void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive); +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); + vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight) { //get light vector @@ -132,28 +134,6 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec return max(col, vec3(0.0,0.0,0.0)); } -#if HAS_SHADOW -float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias; - - stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here - - float cs = shadow2D(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - - return shadow*0.2; -} -#endif - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen); - void main() { vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5; @@ -162,74 +142,7 @@ void main() vec4 pos = vec4(vary_position, 1.0); vec3 norm = vary_norm; - float shadow = 1.0; - -#if HAS_SHADOW - vec4 spos = pos; - - if (spos.z > -shadow_clip.w) - { - shadow = 0.0; - - vec4 lpos; - - vec4 near_split = shadow_clip*-0.75; - vec4 far_split = shadow_clip*-1.25; - vec4 transition_domain = near_split-far_split; - float weight = 0.0; - - if (spos.z < near_split.z) - { - lpos = shadow_matrix[3]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; - shadow += pcfShadowLegacy(shadowMap3, lpos)*w; - weight += w; - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - - if (spos.z < near_split.y && spos.z > far_split.z) - { - lpos = shadow_matrix[2]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.y, 0.0)/transition_domain.y; - w -= max(near_split.z-spos.z, 0.0)/transition_domain.z; - shadow += pcfShadowLegacy(shadowMap2, lpos)*w; - weight += w; - } - - if (spos.z < near_split.x && spos.z > far_split.y) - { - lpos = shadow_matrix[1]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.x, 0.0)/transition_domain.x; - w -= max(near_split.y-spos.z, 0.0)/transition_domain.y; - shadow += pcfShadowLegacy(shadowMap1, lpos)*w; - weight += w; - } - - if (spos.z > far_split.x) - { - lpos = shadow_matrix[0]*spos; - - float w = 1.0; - w -= max(near_split.x-spos.z, 0.0)/transition_domain.x; - - shadow += pcfShadowLegacy(shadowMap0, lpos)*w; - weight += w; - } - - - shadow /= weight; - } - else - { - shadow = 1.0; - } -#endif + float shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, frag); #ifdef USE_INDEXED_TEX vec4 diff = diffuseLookup(vary_texcoord0.xy); diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl index 868eec3926..812f375f42 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl @@ -33,7 +33,6 @@ out vec4 frag_color; #define frag_color gl_FragColor #endif -uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; uniform sampler2DRect lightMap; @@ -45,9 +44,6 @@ uniform float kern_scale; VARYING vec2 vary_fragcoord; -uniform mat4 inv_proj; -uniform vec2 screen_res; - vec4 getPosition(vec2 pos_screen); vec3 getNorm(vec2 pos_screen); vec3 decode_normal (vec2 enc); diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index a0da8563a2..0f7c514e94 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -50,38 +50,7 @@ out vec4 frag_color; #define frag_color gl_FragColor #endif -#if HAS_SUN_SHADOW - -uniform sampler2DShadow shadowMap0; -uniform sampler2DShadow shadowMap1; -uniform sampler2DShadow shadowMap2; -uniform sampler2DShadow shadowMap3; - -uniform mat4 shadow_matrix[6]; -uniform vec4 shadow_clip; -uniform vec2 shadow_res; -uniform float shadow_bias; - -float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc) -{ - stc.xyz /= stc.w; - stc.z += shadow_bias; - - stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here - - float cs = shadow2D(shadowMap, stc.xyz).x; - float shadow = cs; - - shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; - shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; - - return shadow*0.2; -} - -float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen); -#endif +float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen); uniform samplerCube environmentMap; uniform sampler2D lightFunc; @@ -174,19 +143,6 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe } -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; -} - - #else #ifdef DEFINE_GL_FRAGCOLOR out vec4 frag_data[3]; @@ -295,74 +251,7 @@ void main() //forward rendering, output just lit RGBA vec3 pos = vary_position; -#if HAS_SUN_SHADOW - float shadow = 0.0; - - vec4 spos = vec4(pos,1.0); - - if (spos.z > -shadow_clip.w) - { - vec4 lpos; - - vec4 near_split = shadow_clip*-0.75; - vec4 far_split = shadow_clip*-1.25; - vec4 transition_domain = near_split-far_split; - float weight = 0.0; - - if (spos.z < near_split.z) - { - lpos = shadow_matrix[3]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; - shadow += pcfShadowLegacy(shadowMap3, lpos)*w; - weight += w; - shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); - } - - if (spos.z < near_split.y && spos.z > far_split.z) - { - lpos = shadow_matrix[2]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.y, 0.0)/transition_domain.y; - w -= max(near_split.z-spos.z, 0.0)/transition_domain.z; - shadow += pcfShadowLegacy(shadowMap2, lpos)*w; - weight += w; - } - - if (spos.z < near_split.x && spos.z > far_split.y) - { - lpos = shadow_matrix[1]*spos; - - float w = 1.0; - w -= max(spos.z-far_split.x, 0.0)/transition_domain.x; - w -= max(near_split.y-spos.z, 0.0)/transition_domain.y; - shadow += pcfShadowLegacy(shadowMap1, lpos)*w; - weight += w; - } - - if (spos.z > far_split.x) - { - lpos = shadow_matrix[0]*spos; - - float w = 1.0; - w -= max(near_split.x-spos.z, 0.0)/transition_domain.x; - - shadow += pcfShadowLegacy(shadowMap0, lpos)*w; - weight += w; - } - - - shadow /= weight; - } - else - { - shadow = 1.0; - } -#else - float shadow = 1.0; -#endif + float shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, pos_screen); spec = final_specular; vec4 diffuse = final_color; diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl index 8e756c37bf..df48a66fab 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl @@ -57,7 +57,6 @@ uniform mat4 inv_proj; uniform vec4 viewport; vec3 decode_normal (vec2 enc); - vec4 getPosition(vec2 pos_screen); void main() diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl index e33254304b..cf994d3547 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl @@ -49,18 +49,7 @@ VARYING vec2 vary_fragcoord; uniform mat4 inv_proj; uniform vec2 screen_res; -vec4 getPosition(vec2 pos_screen) -{ - float depth = texture2DRect(depthMap, pos_screen.xy).a; - vec2 sc = pos_screen.xy*2.0; - sc /= screen_res; - sc -= vec2(1.0,1.0); - vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0); - vec4 pos = inv_proj * ndc; - pos /= pos.w; - pos.w = 1.0; - return pos; -} +vec4 getPosition(vec2 pos_screen); void main() { diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl index ae5cb7cbc1..f626609fc2 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl @@ -54,12 +54,30 @@ uniform vec2 screen_res; vec3 decode_normal(vec2 enc); +float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc) +{ + stc.xyz /= stc.w; + stc.z += shadow_bias; + + stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here + + float cs = shadow2D(shadowMap, stc.xyz).x; + float shadow = cs; + + shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x; + shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x; + + return shadow*0.2; +} + float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) { stc.xyz /= stc.w; - stc.z += shadow_bias; - - stc.x = floor(stc.x*pos_screen.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here + stc.z += shadow_bias * bias_scale; + + stc.x = floor(stc.x*pos_screen.x + fract(stc.y*pos_screen.y*0.666666666))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here float cs = shadow2D(shadowMap, stc.xyz).x; float shadow = cs; @@ -96,7 +114,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) float dp_directional_light = max(dp_sun,dp_moon); dp_directional_light = clamp(dp_directional_light, 0.0, 1.0); - vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir; + vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir; vec3 offset = light_dir * (1.0-dp_directional_light); vec3 shadow_pos = pos.xyz + (offset * shadow_bias); @@ -116,7 +134,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) float w = 1.0; w -= max(spos.z-far_split.z, 0.0)/transition_domain.z; - shadow += pcfShadow(shadowMap3, lpos, 0.5, pos_screen)*w; + shadow += pcfShadowLegacy(shadowMap3, lpos)*w; weight += w; shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0); } @@ -128,7 +146,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) float w = 1.0; w -= max(spos.z-far_split.y, 0.0)/transition_domain.y; w -= max(near_split.z-spos.z, 0.0)/transition_domain.z; - shadow += pcfShadow(shadowMap2, lpos, 0.75, pos_screen)*w; + shadow += pcfShadowLegacy(shadowMap2, lpos)*w; weight += w; } @@ -139,7 +157,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) float w = 1.0; w -= max(spos.z-far_split.x, 0.0)/transition_domain.x; w -= max(near_split.y-spos.z, 0.0)/transition_domain.y; - shadow += pcfShadow(shadowMap1, lpos, 0.88, pos_screen)*w; + shadow += pcfShadowLegacy(shadowMap1, lpos)*w; weight += w; } @@ -150,7 +168,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen) float w = 1.0; w -= max(near_split.x-spos.z, 0.0)/transition_domain.x; - shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w; + shadow += pcfShadowLegacy(shadowMap0, lpos)*w; weight += w; } diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 0de38a3d62..f0b038cc93 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -74,31 +74,18 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, vec3 scaleSoftClip(vec3 l); vec3 fullbrightScaleSoftClip(vec3 l); -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 getPositionWithDepth(vec2 pos_screen, float depth); -vec4 getPosition(vec2 pos_screen); void main() { - vec2 tc = vary_fragcoord.xy; - float depth = texture2DRect(depthMap, tc.xy).r; - vec3 pos = getPositionWithDepth(tc, depth).xyz; - vec4 norm = texture2DRect(normalMap, tc); - float envIntensity = norm.z; - norm.xyz = decode_normal(norm.xy); // unpack norm - - float da_sun = dot(norm.xyz, normalize(sun_dir.xyz)); + vec2 tc = vary_fragcoord.xy; + float depth = texture2DRect(depthMap, tc.xy).r; + vec4 pos = getPositionWithDepth(tc, depth); + vec4 norm = texture2DRect(normalMap, tc); + float envIntensity = norm.z; + norm.xyz = decode_normal(norm.xy); // unpack norm + + float da_sun = dot(norm.xyz, normalize(sun_dir.xyz)); float da_moon = dot(norm.xyz, normalize(moon_dir.xyz)); float da = max(da_sun, da_moon); diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl index 6d65ee2add..e98ab1f2eb 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl @@ -35,20 +35,15 @@ out vec4 frag_color; //class 1 -- no shadow, SSAO only -uniform sampler2DRect depthMap; uniform sampler2DRect normalMap; -uniform sampler2D noiseMap; - // Inputs VARYING vec2 vary_fragcoord; -uniform mat4 inv_proj; -uniform vec2 screen_res; - vec3 decode_normal (vec2 enc); vec4 getPosition(vec2 pos_screen); -vec3 getNorm(vec2 pos_screen); + +//calculate decreases in ambient lighting when crowded out (SSAO) float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen); void main() @@ -57,11 +52,11 @@ void main() //try doing an unproject here - vec4 pos = getPosition(pos_screen); - vec3 norm = getNorm(pos_screen); - - frag_color.r = 1.0; - frag_color.g = calcAmbientOcclusion(pos, norm, pos_screen); - frag_color.b = 1.0; - frag_color.a = 1.0; + vec4 pos = getPosition(pos_screen); + vec3 norm = decode_normal(texture2DRect(normalMap, pos_screen).xy); + + frag_color[0] = 1.0; + frag_color[1] = calcAmbientOcclusion(pos, norm, pos_screen); + frag_color[2] = 1.0; + frag_color[3] = 1.0; } -- cgit v1.2.3