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SL-13821 shader clean up and format

meow-7.2.2
Dave Houlton 2020-06-08 16:42:34 -06:00 committed by Andrey Lihatskiy
parent 84d3065596
commit 4c8821df9d
1 changed files with 98 additions and 106 deletions
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204
indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
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@ -1,24 +1,24 @@
/**
* @file multiPointLightF.glsl
/**
* @file class1/deferred/multiPointLightF.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2007, Linden Research, Inc.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@ -36,120 +36,112 @@ out vec4 frag_color;
uniform sampler2DRect depthMap;
uniform sampler2DRect diffuseRect;
uniform sampler2DRect specularRect;
uniform samplerCube environmentMap;
uniform sampler2D noiseMap;
uniform sampler2D lightFunc;
uniform samplerCube environmentMap;
uniform sampler2D noiseMap;
uniform sampler2D lightFunc;
uniform vec3 env_mat[3];
uniform vec3 env_mat[3];
uniform float sun_wash;
uniform int light_count;
uniform vec4 light[LIGHT_COUNT];
uniform vec4 light_col[LIGHT_COUNT];
uniform int light_count;
uniform vec4 light[LIGHT_COUNT];
uniform vec4 light_col[LIGHT_COUNT];
uniform vec2 screen_res;
uniform float far_z;
uniform mat4 inv_proj;
VARYING vec4 vary_fragcoord;
uniform vec2 screen_res;
uniform float far_z;
uniform mat4 inv_proj;
vec4 getPosition(vec2 pos_screen);
vec3 getNorm(vec2 pos_screen);
vec3 srgb_to_linear(vec3 c);
void main()
void main()
{
vec3 out_col = vec3(0,0,0);
#if defined(LOCAL_LIGHT_KILL)
discard;
#else
vec2 frag = (vary_fragcoord.xy*0.5+0.5)*screen_res;
vec3 pos = getPosition(frag.xy).xyz;
if (pos.z < far_z)
{
discard;
}
vec3 norm = getNorm(frag.xy);
vec4 spec = texture2DRect(specularRect, frag.xy);
spec.rgb = srgb_to_linear(spec.rgb);
vec3 diff = texture2DRect(diffuseRect, frag.xy).rgb;
diff.rgb = srgb_to_linear(diff.rgb);
float noise = texture2D(noiseMap, frag.xy/128.0).b;
vec3 npos = normalize(-pos);
// As of OSX 10.6.7 ATI Apple's crash when using a variable size loop
for (int i = 0; i < LIGHT_COUNT; ++i)
{
vec3 lv = light[i].xyz-pos;
float dist = length(lv);
dist /= light[i].w;
if (dist <= 1.0)
{
float da = dot(norm, lv);
if (da > 0.0)
{
lv = normalize(lv);
da = dot(norm, lv);
float fa = light_col[i].a+1.0;
float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
dist_atten *= dist_atten;
// Tweak falloff slightly to match pre-EEP attenuation
// NOTE: this magic number also shows up in a great many other places, search for dist_atten *= to audit
dist_atten *= 2.0;
dist_atten *= noise;
float lit = da * dist_atten;
vec3 col = light_col[i].rgb*lit*diff;
//vec3 col = vec3(dist2, light_col[i].a, lit);
if (spec.a > 0.0)
{
lit = min(da*6.0, 1.0) * dist_atten;
//vec3 ref = dot(pos+lv, norm);
vec3 h = normalize(lv+npos);
float nh = dot(norm, h);
float nv = dot(norm, npos);
float vh = dot(npos, h);
float sa = nh;
float fres = pow(1 - dot(h, npos), 5)*0.4+0.5;
float gtdenom = 2 * nh;
float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
if (nh > 0.0)
{
float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
col += lit*scol*light_col[i].rgb*spec.rgb;
//col += spec.rgb;
}
}
out_col += col;
}
}
}
discard; // Bail immediately
#endif
frag_color.rgb = out_col;
frag_color.a = 0.0;
vec3 out_col = vec3(0, 0, 0);
vec2 frag = (vary_fragcoord.xy * 0.5 + 0.5) * screen_res;
vec3 pos = getPosition(frag.xy).xyz;
if (pos.z < far_z)
{
discard;
}
vec3 norm = getNorm(frag.xy);
vec4 spec = texture2DRect(specularRect, frag.xy);
spec.rgb = srgb_to_linear(spec.rgb);
vec3 diff = texture2DRect(diffuseRect, frag.xy).rgb;
diff.rgb = srgb_to_linear(diff.rgb);
float noise = texture2D(noiseMap, frag.xy / 128.0).b;
vec3 npos = normalize(-pos);
// As of OSX 10.6.7 ATI Apple's crash when using a variable size loop
for (int i = 0; i < LIGHT_COUNT; ++i)
{
vec3 lv = light[i].xyz - pos;
float dist = length(lv);
dist /= light[i].w;
if (dist <= 1.0)
{
float da = dot(norm, lv);
if (da > 0.0)
{
lv = normalize(lv);
da = dot(norm, lv);
float fa = light_col[i].a + 1.0;
float dist_atten = clamp(1.0 - (dist - 1.0 * (1.0 - fa)) / fa, 0.0, 1.0);
dist_atten *= dist_atten;
// Tweak falloff slightly to match pre-EEP attenuation
// NOTE: this magic number also shows up in a great many other places, search for dist_atten *= to audit
dist_atten *= 2.0;
dist_atten *= noise;
float lit = da * dist_atten;
vec3 col = light_col[i].rgb * lit * diff;
if (spec.a > 0.0)
{
lit = min(da * 6.0, 1.0) * dist_atten;
vec3 h = normalize(lv + npos);
float nh = dot(norm, h);
float nv = dot(norm, npos);
float vh = dot(npos, h);
float sa = nh;
float fres = pow(1 - dot(h, npos), 5) * 0.4 + 0.5;
float gtdenom = 2 * nh;
float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
if (nh > 0.0)
{
float scol = fres * texture2D(lightFunc, vec2(nh, spec.a)).r * gt / (nh * da);
col += lit * scol * light_col[i].rgb * spec.rgb;
}
}
out_col += col;
}
}
}
frag_color.rgb = out_col;
frag_color.a = 0.0;
#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 = light[0];
vec4 dummy2 = light_col[0];
vec4 dummy3 = light[LIGHT_COUNT-1];
vec4 dummy4 = light_col[LIGHT_COUNT-1];
// 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 = light[0];
vec4 dummy2 = light_col[0];
vec4 dummy3 = light[LIGHT_COUNT - 1];
vec4 dummy4 = light_col[LIGHT_COUNT - 1];
#endif
}