From d614bf11357d9ff1fef59c7ff11eff73b211dcac Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Fri, 9 Nov 2018 21:11:37 +0000
Subject: [PATCH] Yes, Maurice, baby steps.
---
indra/llrender/llshadermgr.cpp | 19 ++-
.../shaders/class1/avatar/avatarSkinV.glsl | 7 -
.../shaders/class1/avatar/objectSkinV.glsl | 7 -
.../shaders/class1/deferred/pointLightV.glsl | 2 +-
.../shaders/class3/deferred/cloudsF.glsl | 77 +++++++---
.../shaders/class3/deferred/cloudsV.glsl | 136 ++----------------
.../class3/deferred/multiSpotLightF.glsl | 13 +-
.../shaders/class3/deferred/skyF.glsl | 13 +-
.../shaders/class3/deferred/skyV.glsl | 8 +-
.../shaders/class3/deferred/softenLightF.glsl | 107 ++++++++------
.../shaders/class3/deferred/softenLightV.glsl | 12 +-
.../shaders/class3/deferred/spotLightF.glsl | 13 +-
.../shaders/class3/deferred/sunLightF.glsl | 22 +--
.../class3/deferred/sunLightSSAOF.glsl | 89 +-----------
14 files changed, 168 insertions(+), 357 deletions(-)
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index d6fe35e2ca5..e128979a765 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -171,6 +171,8 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
// Attach Fragment Shader Features Next
///////////////////////////////////////
+// NOTE order of shader object attaching is VERY IMPORTANT!!!
+
if(features->calculatesAtmospherics)
{
if (features->hasWaterFog)
@@ -194,7 +196,22 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
}
}
- // NOTE order of shader object attaching is VERY IMPORTANT!!!
+ if (features->isDeferred || features->hasShadows)
+ {
+ if (!shader->attachObject("deferred/deferredUtil.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
+ if (features->hasIndirect)
+ {
+ if (!shader->attachObject("deferred/indirect.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
if (features->hasGamma)
{
if (!shader->attachObject("windlight/gammaF.glsl"))
diff --git a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
index 767fad016c9..c4caed4d719 100644
--- a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
@@ -38,12 +38,5 @@ mat4 getSkinnedTransform()
ret[1] = mix(matrixPalette[i+15],matrixPalette[i+16], x);
ret[2] = mix(matrixPalette[i+30],matrixPalette[i+31], x);
ret[3] = vec4(0,0,0,1);
-
return ret;
-
-#ifdef IS_AMD_CARD
- // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts.
- vec4 dummy1 = matrixPalette[0];
- vec4 dummy2 = matrixPalette[44];
-#endif
}
diff --git a/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
index 90bf2851c9e..94de2f7b539 100644
--- a/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
@@ -61,12 +61,5 @@ mat4 getObjectSkinnedTransform()
ret[3] = vec4(trans, 1.0);
return ret;
-
-#ifdef IS_AMD_CARD
- // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts.
- mat3x4 dummy1 = matrixPalette[0];
- mat3x4 dummy2 = matrixPalette[MAX_JOINTS_PER_MESH_OBJECT-1];
-#endif
-
}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index a5625fbc16e..3da85314428 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -1,5 +1,5 @@
/**
- * @file pointLightF.glsl
+ * @file pointLightV.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl
index 9f06319da31..f8373215f09 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsF.glsl
@@ -1,5 +1,5 @@
/**
- * @file WLCloudsF.glsl
+ * @file class3/deferred/cloudsF.glsl
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -24,9 +24,9 @@
*/
#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
+out vec4 frag_data[3];
#else
-#define frag_color gl_FragColor
+#define frag_data gl_FragData
#endif
/////////////////////////////////////////////////////////////////////////
@@ -36,20 +36,37 @@ out vec4 frag_color;
VARYING vec4 vary_CloudColorSun;
VARYING vec4 vary_CloudColorAmbient;
VARYING float vary_CloudDensity;
+VARYING vec2 vary_texcoord0;
+VARYING vec2 vary_texcoord1;
+VARYING vec2 vary_texcoord2;
+VARYING vec2 vary_texcoord3;
+VARYING vec3 vary_pos;
uniform sampler2D cloud_noise_texture;
uniform sampler2D cloud_noise_texture_next;
uniform float blend_factor;
uniform vec4 cloud_pos_density1;
uniform vec4 cloud_pos_density2;
-uniform vec4 gamma;
+uniform vec4 sunlight_color;
+uniform vec4 cloud_color;
+uniform float cloud_shadow;
uniform float cloud_scale;
uniform float cloud_variance;
-
-VARYING vec2 vary_texcoord0;
-VARYING vec2 vary_texcoord1;
-VARYING vec2 vary_texcoord2;
-VARYING vec2 vary_texcoord3;
+uniform vec3 ambient;
+uniform vec3 camPosLocal;
+uniform vec3 sun_dir;
+uniform float sun_size;
+uniform float far_z;
+
+uniform sampler2D transmittance_texture;
+uniform sampler3D scattering_texture;
+uniform sampler3D single_mie_scattering_texture;
+uniform sampler2D irradiance_texture;
+uniform sampler2D sh_input_r;
+uniform sampler2D sh_input_g;
+uniform sampler2D sh_input_b;
+
+vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance);
/// Soft clips the light with a gamma correction
vec3 scaleSoftClip(vec3 light);
@@ -67,11 +84,9 @@ void main()
// Set variables
vec2 uv1 = vary_texcoord0.xy;
vec2 uv2 = vary_texcoord1.xy;
-
- vec4 cloudColorSun = vary_CloudColorSun;
- vec4 cloudColorAmbient = vary_CloudColorAmbient;
- float cloudDensity = vary_CloudDensity;
vec2 uv3 = vary_texcoord2.xy;
+ float cloudDensity = 2.0 * (cloud_shadow - 0.25);
+
vec2 uv4 = vary_texcoord3.xy;
vec2 disturbance = vec2(cloudNoise(uv1 / 16.0f).x, cloudNoise((uv3 + uv1) / 16.0f).x) * cloud_variance * (1.0f - cloud_scale * 0.25f);
@@ -82,33 +97,53 @@ void main()
uv3 += cloud_pos_density2.xy + disturbance; //small texture, visible density
uv4 += cloud_pos_density2.xy; //small texture, self shadow
+ float density_variance = min(1.0, (disturbance.x* 2.0 + disturbance.y* 2.0));
- // Compute alpha1, the main cloud opacity
+ cloudDensity *= 1.0 - (density_variance * density_variance);
+ // Compute alpha1, the main cloud opacity
float alpha1 = (cloudNoise(uv1).x - 0.5) + (cloudNoise(uv3).x - 0.5) * cloud_pos_density2.z;
- alpha1 = min(max(alpha1 + cloudDensity, 0.) * (10. + disturbance.y) * cloud_pos_density1.z, 1.);
+ alpha1 = min(max(alpha1 + cloudDensity, 0.) * 10 * cloud_pos_density1.z, 1.);
// And smooth
alpha1 = 1. - alpha1 * alpha1;
alpha1 = 1. - alpha1 * alpha1;
+ if (alpha1 < 0.001f)
+ {
+ discard;
+ }
// Compute alpha2, for self shadowing effect
// (1 - alpha2) will later be used as percentage of incoming sunlight
float alpha2 = (cloudNoise(uv2).x - 0.5);
- alpha2 = min(max(alpha2 + cloudDensity, 0.) * (2.5 + disturbance.x) * cloud_pos_density1.z, 1.);
+ alpha2 = min(max(alpha2 + cloudDensity, 0.) * 2.5 * cloud_pos_density1.z, 1.);
// And smooth
alpha2 = 1. - alpha2;
alpha2 = 1. - alpha2 * alpha2;
+ vec3 view_ray = vary_pos.xyz + camPosLocal;
+
+ vec3 view_direction = normalize(view_ray);
+ vec3 sun_direction = normalize(sun_dir);
+ vec3 earth_center = vec3(0, 0, -6360.0f);
+ vec3 camPos = (camPosLocal / 1000.0f) - earth_center;
+
+ vec3 transmittance;
+ vec3 radiance_sun = GetSkyLuminance(camPos, view_direction, 1.0 - alpha1, sun_direction, transmittance);
+
+ vec3 sun_color = vec3(1.0) - exp(-radiance_sun * 0.0001);
+
// Combine
vec4 color;
- color = (cloudColorSun*(1.-alpha2) + cloudColorAmbient);
- color *= 2.;
- /// Gamma correct for WL (soft clip effect).
- frag_color.rgb = scaleSoftClip(color.rgb);
- frag_color.a = alpha1;
+ color.rgb = sun_color * cloud_color.rgb * (1. - alpha2);
+ color.rgb = pow(color.rgb, vec3(1.0 / 2.2));
+ color.rgb += ambient;
+
+ frag_data[0] = vec4(color.rgb, alpha1);
+ frag_data[1] = vec4(0);
+ frag_data[2] = vec4(0,1,0,1);
}
diff --git a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl b/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl
index c1dd45cd672..53b6d88ef5e 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/cloudsV.glsl
@@ -24,6 +24,7 @@
*/
uniform mat4 modelview_projection_matrix;
+uniform mat4 modelview_matrix;
ATTRIBUTE vec3 position;
ATTRIBUTE vec2 texcoord0;
@@ -33,158 +34,37 @@ ATTRIBUTE vec2 texcoord0;
///////////////////////////////////////////////////////////////////////////////
// Output parameters
-VARYING vec4 vary_CloudColorSun;
-VARYING vec4 vary_CloudColorAmbient;
-VARYING float vary_CloudDensity;
VARYING vec2 vary_texcoord0;
VARYING vec2 vary_texcoord1;
VARYING vec2 vary_texcoord2;
VARYING vec2 vary_texcoord3;
+VARYING vec3 vary_pos;
// Inputs
-uniform vec3 camPosLocal;
-
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 ambient;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
-uniform float haze_horizon;
-uniform float haze_density;
-
-uniform float cloud_shadow;
-uniform float density_multiplier;
-uniform float max_y;
-
-uniform vec4 glow;
-
-uniform vec4 cloud_color;
-
uniform float cloud_scale;
+uniform vec4 lightnorm;
+uniform vec3 camPosLocal;
void main()
{
+ vary_pos = position;
// World / view / projection
gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
- vary_texcoord0 = texcoord0;
-
- // Get relative position
- vec3 P = position.xyz - camPosLocal.xyz + vec3(0,50,0);
-
- // Set altitude
- if (P.y > 0.)
- {
- P *= (max_y / P.y);
- }
- else
- {
- P *= (-32000. / P.y);
- }
-
- // Can normalize then
- vec3 Pn = normalize(P);
- float Plen = length(P);
-
- // Initialize temp variables
- vec4 temp1 = vec4(0.);
- vec4 temp2 = vec4(0.);
- vec4 blue_weight;
- vec4 haze_weight;
- vec4 sunlight = sunlight_color;
- vec4 light_atten;
-
-
- // Sunlight attenuation effect (hue and brightness) due to atmosphere
- // this is used later for sunlight modulation at various altitudes
- light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
-
- // Calculate relative weights
- temp1 = blue_density + haze_density;
- blue_weight = blue_density / temp1;
- haze_weight = haze_density / temp1;
-
- // Compute sunlight from P & lightnorm (for long rays like sky)
- temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
- temp2.y = 1. / temp2.y;
- sunlight *= exp( - light_atten * temp2.y);
-
- // Distance
- temp2.z = Plen * density_multiplier;
-
- // Transparency (-> temp1)
- // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
- // compiler gets confused.
- temp1 = exp(-temp1 * temp2.z);
-
-
- // Compute haze glow
- temp2.x = dot(Pn, lightnorm.xyz);
- temp2.x = 1. - temp2.x;
- // temp2.x is 0 at the sun and increases away from sun
- temp2.x = max(temp2.x, .001);
- // Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot)
- temp2.x *= glow.x;
- // Higher glow.x gives dimmer glow (because next step is 1 / "angle")
- temp2.x = pow(temp2.x, glow.z);
- // glow.z should be negative, so we're doing a sort of (1 / "angle") function
-
- // Add "minimum anti-solar illumination"
- temp2.x += .25;
-
- // Increase ambient when there are more clouds
- vec4 tmpAmbient = ambient;
- tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5;
-
- // Dim sunlight by cloud shadow percentage
- sunlight *= (1. - cloud_shadow);
-
- // Haze color below cloud
- vec4 additiveColorBelowCloud = ( blue_horizon * blue_weight * (sunlight + tmpAmbient)
- + (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
- );
-
- // CLOUDS
-
- sunlight = sunlight_color;
- temp2.y = max(0., lightnorm.y * 2.);
- temp2.y = 1. / temp2.y;
- sunlight *= exp( - light_atten * temp2.y);
-
- // Cloud color out
- vary_CloudColorSun = (sunlight * temp2.x) * cloud_color;
- vary_CloudColorAmbient = tmpAmbient * cloud_color;
-
- // Attenuate cloud color by atmosphere
- temp1 = sqrt(temp1); //less atmos opacity (more transparency) below clouds
- vary_CloudColorSun *= temp1;
- vary_CloudColorAmbient *= temp1;
- vec4 oHazeColorBelowCloud = additiveColorBelowCloud * (1. - temp1);
-
- // Make a nice cloud density based on the cloud_shadow value that was passed in.
- vary_CloudDensity = 2. * (cloud_shadow - 0.25);
-
-
// Texture coords
vary_texcoord0 = texcoord0;
vary_texcoord0.xy -= 0.5;
- vary_texcoord0.xy /= cloud_scale;
- vary_texcoord0.xy += 0.5;
+ vary_texcoord0.xy /= cloud_scale;
+ vary_texcoord0.xy += 0.5;
vary_texcoord1 = vary_texcoord0;
vary_texcoord1.x += lightnorm.x * 0.0125;
- vary_texcoord1.y += lightnorm.z * 0.0125;
+ vary_texcoord1.y += lightnorm.z * 0.0125;
vary_texcoord2 = vary_texcoord0 * 16.;
vary_texcoord3 = vary_texcoord1 * 16.;
- // Combine these to minimize register use
- vary_CloudColorAmbient += oHazeColorBelowCloud;
-
- // needs this to compile on mac
- //vary_AtmosAttenuation = vec3(0.0,0.0,0.0);
-
// END CLOUDS
}
diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl
index 864ba4859da..0848adba730 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/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/class3/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
index 2073fc066f6..d0514f7d234 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
@@ -1,5 +1,5 @@
/**
- * @file class3/skyF.glsl
+ * @file class3/deferred/skyF.glsl
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -44,6 +44,7 @@ uniform sampler3D single_mie_scattering_texture;
uniform sampler2D irradiance_texture;
uniform sampler2D rainbow_map;
uniform sampler2D halo_map;
+uniform vec4 gamma;
uniform float moisture_level;
uniform float droplet_radius;
@@ -53,6 +54,7 @@ vec3 GetSolarLuminance();
vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance);
vec3 GetSkyLuminanceToPoint(vec3 camPos, vec3 pos, float shadow_length, vec3 dir, out vec3 transmittance);
+vec3 ColorFromRadiance(vec3 radiance);
vec3 rainbow(float d)
{
float rad = (droplet_radius - 5.0f) / 1024.0f;
@@ -93,18 +95,15 @@ void main()
}
s = smoothstep(0.9, 1.0, s) * 16.0f;
- vec3 color = vec3(1.0) - exp(-radiance_sun * 0.0001);
+ vec3 color = ColorFromRadiance(radiance_sun);
float optic_d = dot(view_direction, sun_direction);
-
vec3 halo_22 = halo22(optic_d);
- if (optic_d <= 0)
- color.rgb += rainbow(optic_d);
-
+ color.rgb += rainbow(optic_d) * optic_d;
color.rgb += halo_22;
- color = pow(color, vec3(1.0 / 2.2));
+ color = pow(color, vec3(1.0/2.2));
frag_data[0] = vec4(color, 1.0 + s);
frag_data[1] = vec4(0.0);
diff --git a/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl
index a5cc49ca300..2eb222ada4a 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/skyV.glsl
@@ -1,5 +1,5 @@
/**
- * @file advancedAtmoV.glsl
+ * @file class3/deferred/skyV.glsl
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -23,12 +23,6 @@
* $/LicenseInfo$
*/
-uniform vec3 cameraPosLocal;
-uniform mat4 modelview_projection_matrix;
-uniform mat4 modelview_matrix;
-uniform mat4 inv_proj;
-uniform mat4 inv_modelview;
-
ATTRIBUTE vec3 position;
ATTRIBUTE vec2 texcoord0;
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 2615400e52b..ecf6858136e 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -38,30 +38,21 @@ uniform sampler2DRect specularRect;
uniform sampler2DRect normalMap;
uniform sampler2DRect lightMap;
uniform sampler2DRect depthMap;
-uniform samplerCube environmentMap;
-uniform sampler2D lightFunc;
+uniform sampler2D lightFunc;
uniform float blur_size;
+uniform samplerCube environmentMap;
+
uniform float blur_fidelity;
// Inputs
uniform vec4 morphFactor;
uniform vec3 camPosLocal;
-//uniform vec4 camPosWorld;
uniform vec4 gamma;
-uniform vec4 sunlight_color;
-uniform vec4 ambient;
-uniform vec4 blue_horizon;
-uniform vec4 blue_density;
-uniform float haze_horizon;
-uniform float haze_density;
uniform float cloud_shadow;
-uniform float density_multiplier;
-uniform float distance_multiplier;
uniform float max_y;
uniform vec4 glow;
uniform float global_gamma;
-uniform float scene_light_strength;
uniform mat3 env_mat;
uniform vec4 shadow_clip;
uniform mat3 ssao_effect_mat;
@@ -74,28 +65,29 @@ uniform mat4 inv_modelview;
uniform vec2 screen_res;
+uniform sampler2D transmittance_texture;
+uniform sampler3D scattering_texture;
+uniform sampler3D single_mie_scattering_texture;
+uniform sampler2D irradiance_texture;
+
+uniform sampler2D sh_input_r;
+uniform sampler2D sh_input_g;
+uniform sampler2D sh_input_b;
+
+vec3 GetSunAndSkyIrradiance(vec3 camPos, vec3 norm, vec3 dir, out vec3 sky_irradiance);
+vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance);
+vec3 GetSkyLuminanceToPoint(vec3 camPos, vec3 pos, float shadow_length, vec3 dir, out vec3 transmittance);
+
+vec3 scaleSoftClipFrag(vec3 c);
+vec3 fullbrightScaleSoftClipFrag(vec3 c);
vec3 srgb_to_linear(vec3 cs);
vec3 linear_to_srgb(vec3 cl);
vec3 decode_normal (vec2 enc);
-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 ColorFromRadiance(vec3 radiance);
+vec4 getPositionWithDepth(vec2 pos_screen, float depth);
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
#ifdef WATER_FOG
vec4 applyWaterFogView(vec3 pos, vec4 color);
@@ -105,24 +97,22 @@ void main()
{
vec2 tc = vary_fragcoord.xy;
float depth = texture2DRect(depthMap, tc.xy).r;
- vec3 pos = getPosition_d(tc, depth).xyz;
+ vec3 pos = getPositionWithDepth(tc, depth).xyz;
vec4 norm = texture2DRect(normalMap, tc);
float envIntensity = norm.z;
- norm.xyz = decode_normal(norm.xy); // unpack norm
-
+ norm.xyz = decode_normal(norm.xy);
+
float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
float light_gamma = 1.0/1.3;
- da = pow(da, light_gamma);
- vec4 diffuse = texture2DRect(diffuseRect, tc);
+ vec4 diffuse = texture2DRect(diffuseRect, tc); // linear
- //convert to gamma space
- diffuse.rgb = linear_to_srgb(diffuse.rgb);
-
vec3 col;
float bloom = 0.0;
{
+ vec3 camPos = (camPosLocal / 1000.0f) + vec3(0, 0, 6360.0f);
+
vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
@@ -132,17 +122,37 @@ void main()
float ambocc = scol_ambocc.g;
- col *= diffuse.rgb;
-
+ vec4 l1tap = vec4(1.0/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265), sqrt(3)/sqrt(4*3.14159265));
+ vec4 l1r = texture2D(sh_input_r, vec2(0,0));
+ vec4 l1g = texture2D(sh_input_g, vec2(0,0));
+ vec4 l1b = texture2D(sh_input_b, vec2(0,0));
+
+ vec3 indirect = vec3(dot(l1r, l1tap * vec4(1, norm.xyz)),
+ dot(l1g, l1tap * vec4(1, norm.xyz)),
+ dot(l1b, l1tap * vec4(1, norm.xyz)));
+
+ indirect = clamp(indirect, vec3(0), vec3(1.0));
+
+ vec3 transmittance;
+ vec3 sky_irradiance;
+ vec3 sun_irradiance = GetSunAndSkyIrradiance(camPos, norm.xyz, sun_dir, sky_irradiance);
+ vec3 inscatter = GetSkyLuminanceToPoint(camPos, (pos / 1000.f) + vec3(0, 0, 6360.0f), scol, sun_dir, transmittance);
+
+ vec3 radiance = scol * (sun_irradiance + sky_irradiance) + inscatter;
+ vec3 atmo_color = ColorFromRadiance(radiance);
+
+ col = atmo_color + indirect;
+ col *= transmittance;
+ col *= diffuse.rgb;
+
vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
if (spec.a > 0.0) // specular reflection
{
// the old infinite-sky shiny reflection
//
-
float sa = dot(refnormpersp, sun_dir.xyz);
- vec3 dumbshiny = sunlit*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+ vec3 dumbshiny = scol * texture2D(lightFunc, vec2(sa, spec.a)).r * atmo_color;
// add the two types of shiny together
vec3 spec_contrib = dumbshiny * spec.rgb;
@@ -155,17 +165,24 @@ void main()
if (envIntensity > 0.0)
{ //add environmentmap
vec3 env_vec = env_mat * refnormpersp;
- vec3 refcol = textureCube(environmentMap, env_vec).rgb;
- col = mix(col.rgb, refcol, envintensity);
+ vec3 sun_direction = (inv_modelview * vec4(sun_dir, 1.0)).xyz;
+ vec3 radiance_sun = GetSkyLuminance(camPos, env_vec, 0.0f, sun_direction, transmittance);
+ vec3 refcol = ColorFromRadiance(radiance_sun);
+ col = mix(col.rgb, refcol, envIntensity);
}
+ /*if (norm.w < 0.5)
+ {
+ col = scaleSoftClipFrag(col);
+ }*/
+
#ifdef WATER_FOG
vec4 fogged = applyWaterFogView(pos,vec4(col, bloom));
col = fogged.rgb;
bloom = fogged.a;
#endif
- col = srgb_to_linear(col);
+ col = pow(col, vec3(light_gamma));
}
frag_color.rgb = col;
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl
index c840d727843..9d872b8df81 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightV.glsl
@@ -1,5 +1,5 @@
/**
- * @file softenLightF.glsl
+ * @file class3/deferred/softenLightV.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -22,21 +22,17 @@
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
-
-uniform mat4 modelview_projection_matrix;
-
ATTRIBUTE vec3 position;
-uniform vec2 screen_res;
-
VARYING vec2 vary_fragcoord;
+uniform mat4 modelview_projection_matrix;
+uniform vec2 screen_res;
+
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/class3/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl
index a7da140b31c..80e2a9dd559 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/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/class3/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl
index aa5e99a2f7b..894534b1051 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/sunLightF.glsl
@@ -68,19 +68,8 @@ uniform float spot_shadow_bias;
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;
-}
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
{
@@ -124,13 +113,8 @@ 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
+ 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/class3/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl
index 58f3f2f91ee..0870a80a32d 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/sunLightSSAOF.glsl
@@ -68,81 +68,11 @@ uniform float shadow_offset;
uniform float spot_shadow_bias;
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];
-}
+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)
-{
- 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 calcAmbientOcclusion(vec4 pos, vec3 norm, pos_screen);
float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
{
@@ -184,14 +114,9 @@ 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
{
@@ -291,7 +216,7 @@ 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);
--
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