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-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl24
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl56
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl2
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl24
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl216
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl284
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl2
7 files changed, 45 insertions, 563 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 864ba4859d..1c5d3901f5 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -71,19 +71,11 @@ uniform vec2 screen_res;
uniform mat4 inv_proj;
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
vec3 decode_normal (vec2 enc);
-vec4 correctWithGamma(vec4 col)
-{
- return vec4(srgb_to_linear(col.rgb), col.a);
-}
-
vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret.rgb = srgb_to_linear(ret.rgb);
vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
@@ -103,7 +95,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret = correctWithGamma(ret);
vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
@@ -121,7 +112,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret = correctWithGamma(ret);
vec2 dist = tc-vec2(0.5);
@@ -132,19 +122,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
return ret;
}
-
-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 184ac13b27..c5d317ad37 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -74,37 +74,19 @@ VARYING vec2 vary_fragcoord;
uniform mat4 inv_proj;
uniform vec2 screen_res;
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
vec3 decode_normal (vec2 enc);
void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
-vec3 fullbrightScaleSoftClipFrag(vec3 l);
+vec3 fullbrightScaleSoftClipFrag(vec3 l, vec3 add, vec3 atten);
vec3 scaleSoftClipFrag(vec3 l);
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 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);
-}
-
+vec4 getPositionWithDepth(vec2 pos_screen, float depth);
+vec4 getPosition(vec2 pos_screen);
#ifdef WATER_FOG
vec4 applyWaterFogView(vec3 pos, vec4 color);
@@ -112,32 +94,29 @@ vec4 applyWaterFogView(vec3 pos, vec4 color);
void main()
{
- vec2 tc = vary_fragcoord.xy;
- float depth = texture2DRect(depthMap, tc.xy).r;
- vec3 pos = getPosition_d(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);
da = clamp(da, 0.0, 1.0);
- da = pow(da, global_gamma);
-
- vec4 diffuse = texture2DRect(diffuseRect, tc);
-
- //convert to gamma space
- //diffuse.rgb = linear_to_srgb(diffuse.rgb);
+ da = pow(da, global_gamma + 0.3);
+ vec4 diffuse = texture2DRect(diffuseRect, tc);
+
vec3 col;
float bloom = 0.0;
{
vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
- scol_ambocc = pow(scol_ambocc, vec2(global_gamma));
+ scol_ambocc = pow(scol_ambocc, vec2(global_gamma + 0.3));
float scol = max(scol_ambocc.r, diffuse.a);
float ambocc = scol_ambocc.g;
@@ -187,7 +166,7 @@ void main()
if (norm.w < 0.5)
{
col = mix(atmosFragLighting(col, additive, atten), fullbrightAtmosTransportFrag(col, additive, atten), diffuse.a);
- col = mix(scaleSoftClipFrag(col), fullbrightScaleSoftClipFrag(col), diffuse.a);
+ col = mix(scaleSoftClipFrag(col), fullbrightScaleSoftClipFrag(col, additive, atten), diffuse.a);
}
#ifdef WATER_FOG
@@ -195,9 +174,6 @@ void main()
col = fogged.rgb;
bloom = fogged.a;
#endif
-
- //col = srgb_to_linear(col);
-
}
frag_color.rgb = col;
frag_color.a = bloom;
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..36854b0e66 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -72,18 +72,10 @@ uniform vec2 screen_res;
uniform mat4 inv_proj;
vec3 decode_normal (vec2 enc);
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
-vec4 correctWithGamma(vec4 col)
-{
- return vec4(srgb_to_linear(col.rgb), col.a);
-}
vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret.rgb = srgb_to_linear(ret.rgb);
vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
@@ -103,7 +95,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret = correctWithGamma(ret);
vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
@@ -121,7 +112,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
{
vec4 ret = texture2DLod(projectionMap, tc, lod);
- ret = correctWithGamma(ret);
vec2 dist = tc-vec2(0.5);
@@ -132,19 +122,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
return ret;
}
-
-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 f2d04c95fe..fc5756beef 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -35,219 +35,27 @@ out vec4 frag_color;
//class 2, shadows, no SSAO
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2DShadow shadowMap0;
-uniform sampler2DShadow shadowMap1;
-uniform sampler2DShadow shadowMap2;
-uniform sampler2DShadow shadowMap3;
-uniform sampler2DShadow shadowMap4;
-uniform sampler2DShadow shadowMap5;
-
-
// 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;
-uniform mat4 inv_proj;
-uniform vec2 screen_res;
-uniform vec2 proj_shadow_res;
uniform vec3 sun_dir;
-uniform vec3 moon_dir;
-
-uniform vec2 shadow_res;
uniform float shadow_bias;
-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);
-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;
-}
-
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
-{
- stc.xyz /= stc.w;
- stc.z += shadow_bias;
-
- stc.x = floor(stc.x*shadow_res.x + fract(pos_screen.y*0.666666666))/shadow_res.x; // add some 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(-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;
-
-
- return shadow*0.2;
-}
-
-float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
-{
- stc.xyz /= stc.w;
- stc.z += spot_shadow_bias*scl;
- stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
-
- float cs = shadow2D(shadowMap, stc.xyz).x;
- float shadow = cs;
-
- vec2 off = 1.0/proj_shadow_res;
- off.y *= 1.5;
-
- shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
-
- return shadow*0.2;
-}
+float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
+float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen);
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
-
- /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
- {
- frag_color = vec4(0.0); // doesn't matter
- return;
- }*/
-
- float shadow = 0.0;
- float dp_sun = dot(norm, normalize(sun_dir.xyz));
- float dp_moon = dot(norm, normalize(moon_dir.xyz));
- float dp_directional_light = max(dp_sun, dp_moon);
- dp_directional_light = clamp(dp_directional_light, 0.0, 1.0);
-
- vec3 light_direction = (dp_moon > dp_sun) ? moon_dir : sun_dir;
-
- vec3 shadow_pos = pos.xyz;
- vec3 offset = light_direction.xyz * (1.0-dp_directional_light);
-
- vec4 spos = vec4(shadow_pos+offset*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;
-
- 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 += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*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 += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*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 += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*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 += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
- weight += w;
- }
-
-
- shadow /= weight;
-
- // 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;
- }
-
- frag_color[0] = shadow;
- frag_color[1] = 1.0;
-
- spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0);
-
- //spotlight shadow 1
- vec4 lpos = shadow_matrix[4]*spos;
- frag_color[2] = pcfSpotShadow(shadowMap4, lpos, 0.8, pos_screen);
-
- //spotlight shadow 2
- lpos = shadow_matrix[5]*spos;
- frag_color[3] = pcfSpotShadow(shadowMap5, lpos, 0.8, pos_screen);
-
- //frag_color.rgb = pos.xyz;
- //frag_color.b = shadow;
+ vec2 pos_screen = vary_fragcoord.xy;
+ vec4 pos = getPosition(pos_screen);
+ vec3 norm = getNorm(pos_screen);
+
+ frag_color.r = sampleDirectionalShadow(pos.xyz, norm, pos_screen);
+ frag_color.g = 1.0f;
+ frag_color.b = sampleSpotShadow(pos.xyz, norm, 0, pos_screen);
+ frag_color.a = sampleSpotShadow(pos.xyz, norm, 1, pos_screen);
}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index fd3256e9c8..390f9fc947 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -1,5 +1,5 @@
/**
- * @file sunLightSSAOF.glsl
+ * @file class2/deferred/sunLightSSAOF.glsl
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2007, Linden Research, Inc.
@@ -34,281 +34,25 @@ out vec4 frag_color;
//class 2 -- shadows and SSAO
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2DShadow shadowMap0;
-uniform sampler2DShadow shadowMap1;
-uniform sampler2DShadow shadowMap2;
-uniform sampler2DShadow shadowMap3;
-uniform sampler2DShadow shadowMap4;
-uniform sampler2DShadow shadowMap5;
-uniform sampler2D noiseMap;
-
-
// 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;
-uniform mat4 inv_proj;
-uniform vec2 screen_res;
-uniform vec2 proj_shadow_res;
-uniform vec3 sun_dir;
-uniform vec3 moon_dir;
-
-uniform vec2 shadow_res;
-
-uniform float shadow_bias;
-uniform float shadow_offset;
-
-uniform float spot_shadow_bias;
-uniform float spot_shadow_offset;
-
vec3 decode_normal (vec2 enc);
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
-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));
-
- ret = max(ret, 0.0);
- return min(ret, 1.0);
-}
-
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
-{
- stc.xyz /= stc.w;
- stc.z += shadow_bias;
-
- stc.x = floor(stc.x*shadow_res.x + fract(pos_screen.y*0.666666666))/shadow_res.x;
- 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 pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
-{
- stc.xyz /= stc.w;
- stc.z += spot_shadow_bias*scl;
- stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
-
- float cs = shadow2D(shadowMap, stc.xyz).x;
- float shadow = cs;
-
- vec2 off = 1.0/proj_shadow_res;
- off.y *= 1.5;
-
- shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
- shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
-
- return shadow*0.2;
-}
+float sampleDirectionalShadow(vec3 shadow_pos, vec3 norm, vec2 pos_screen);
+float sampleSpotShadow(vec3 shadow_pos, vec3 norm, int index, vec2 pos_screen);
+float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen);
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
-
- /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
- {
- frag_color = vec4(0.0); // doesn't matter
- return;
- }*/
-
- float shadow = 0.0;
- float dp_sun = dot(norm, normalize(sun_dir.xyz));
- float dp_moon = dot(norm, normalize(moon_dir.xyz));
- float dp_directional_light = max(dp_sun, dp_moon);
- dp_directional_light = max(0.0, dp_directional_light);
-
- vec3 light_direction = (dp_moon > dp_sun) ? moon_dir : sun_dir;
-
- vec3 shadow_pos = pos.xyz;
- vec3 offset = light_direction.xyz * (1.0-dp_directional_light);
-
- vec4 spos = vec4(shadow_pos+offset*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;
-
- 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 += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*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 += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*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 += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*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 += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
- weight += w;
- }
-
-
- shadow /= weight;
-
- // 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;
- }
-
- frag_color[0] = shadow;
- frag_color[1] = calcAmbientOcclusion(pos, norm);
-
- spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0);
-
- //spotlight shadow 1
- vec4 lpos = shadow_matrix[4]*spos;
- frag_color[2] = pcfSpotShadow(shadowMap4, lpos, 0.8, pos_screen);
-
- //spotlight shadow 2
- lpos = shadow_matrix[5]*spos;
- frag_color[3] = pcfSpotShadow(shadowMap5, lpos, 0.8, pos_screen);
-
- //frag_color.rgb = pos.xyz;
- //frag_color.b = shadow;
+ vec2 pos_screen = vary_fragcoord.xy;
+ vec4 pos = getPosition(pos_screen);
+ vec3 norm = getNorm(pos_screen);
+
+ frag_color.r = sampleDirectionalShadow(pos.xyz, norm, pos_screen);
+ frag_color.g = calcAmbientOcclusion(pos, norm, pos_screen);
+ frag_color.b = sampleSpotShadow(pos.xyz, norm, 0, pos_screen);
+ frag_color.a = sampleSpotShadow(pos.xyz, norm, 1, pos_screen);
}
diff --git a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
index ac7c57747e..143bafc9c9 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
@@ -47,7 +47,7 @@ vec3 scaleSoftClip(vec3 light)
return scaleSoftClipFrag(light);
}
-vec3 fullbrightScaleSoftClipFrag(vec3 light) {
+vec3 fullbrightScaleSoftClipFrag(vec3 light, vec3 add, vec3 atten) {
return scaleSoftClipFrag(light.rgb);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-31 07:48:43 +0000