diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl | 73 |
1 files changed, 21 insertions, 52 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl index 24539c3c3a..a6a2543915 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl @@ -458,28 +458,24 @@ float sphereWeight(vec3 pos, vec3 dir, vec3 origin, float r, float min_da, int i // dir - pixel normal // w - weight of sample (distance and angular attenuation) // dw - weight of sample (distance only) -// vi - return value of intersection point with influence volume -// wi - return value of approximate world space position of sampled pixel -// lod - which mip to bias towards (lower is higher res, sharper reflections) +// lod - which mip to sample (lower is higher res, sharper reflections) // c - center of probe // r2 - radius of probe squared // i - index of probe -vec3 tapRefMap(vec3 pos, vec3 dir, out float w, out float dw, out vec3 vi, out vec3 wi, float lod, vec3 c, int i) +vec3 tapRefMap(vec3 pos, vec3 dir, out float w, out float dw, float lod, vec3 c, int i) { - //lod = max(lod, 1); // parallax adjustment - vec3 v; if (refIndex[i].w < 0) - { + { // box probe float d = 0; v = boxIntersect(pos, dir, i, d); w = max(d, 0.001); } else - { + { // sphere probe float r = refSphere[i].w; float rr = r * r; @@ -491,16 +487,12 @@ vec3 tapRefMap(vec3 pos, vec3 dir, out float w, out float dw, out vec3 vi, out v w = sphereWeight(pos, dir, refSphere[i].xyz, r, 0.25, i, dw); } - vi = v; - v -= c; vec3 d = normalize(v); v = env_mat * v; - vec4 ret = textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), lod); - - wi = d * ret.a * 256.0+c; + vec4 ret = textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), lod) * refParams[i].y; return ret.rgb; } @@ -542,7 +534,7 @@ vec3 tapIrradianceMap(vec3 pos, vec3 dir, out float w, out float dw, vec3 c, int } } -vec3 sampleProbes(vec3 pos, vec3 dir, float lod, bool errorCorrect) +vec3 sampleProbes(vec3 pos, vec3 dir, float lod) { float wsum[2]; wsum[0] = 0; @@ -568,34 +560,11 @@ vec3 sampleProbes(vec3 pos, vec3 dir, float lod, bool errorCorrect) float w = 0; float dw = 0; - vec3 vi, wi; vec3 refcol; { - if (errorCorrect && refIndex[i].w >= 0) - { // error correction is on and this probe is a sphere - //take a sample to get depth value, then error correct - refcol = tapRefMap(pos, dir, w, dw, vi, wi, abs(lod + 2), refSphere[i].xyz, i); - - //adjust lookup by distance result - float d = length(vi - wi); - vi += dir * d; - - vi -= refSphere[i].xyz; - - vi = env_mat * vi; - - refcol = textureLod(reflectionProbes, vec4(vi, refIndex[i].x), lod).rgb; - - // weight by vector correctness - vec3 pi = normalize(wi - pos); - w *= max(dot(pi, dir), 0.1); - } - else - { - refcol = tapRefMap(pos, dir, w, dw, vi, wi, lod, refSphere[i].xyz, i); - } + refcol = tapRefMap(pos, dir, w, dw, lod, refSphere[i].xyz, i); col[p] += refcol.rgb*w; wsum[p] += w; @@ -684,10 +653,10 @@ vec3 sampleProbeAmbient(vec3 pos, vec3 dir) } void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, - vec2 tc, vec3 pos, vec3 norm, float glossiness, bool errorCorrect) + vec2 tc, vec3 pos, vec3 norm, float glossiness) { // TODO - don't hard code lods - float reflection_lods = max_probe_lod; + float reflection_lods = max_probe_lod-1; preProbeSample(pos); vec3 refnormpersp = reflect(pos.xyz, norm.xyz); @@ -695,13 +664,12 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, ambenv = sampleProbeAmbient(pos, norm); float lod = (1.0-glossiness)*reflection_lods; - glossenv = sampleProbes(pos, normalize(refnormpersp), lod, errorCorrect); + glossenv = sampleProbes(pos, normalize(refnormpersp), lod); #if defined(SSR) if (cube_snapshot != 1 && glossiness >= 0.9) { vec4 ssr = vec4(0); - //float w = tapScreenSpaceReflection(errorCorrect ? 1 : 4, tc, pos, norm, ssr, sceneMap); float w = tapScreenSpaceReflection(1, tc, pos, norm, ssr, sceneMap); glossenv = mix(glossenv, ssr.rgb, w); @@ -709,6 +677,15 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, #endif } +void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv, + vec2 tc, vec3 pos, vec3 norm, float glossiness) +{ + sampleReflectionProbes(ambenv, glossenv, tc, pos, norm, glossiness); + + // fudge factor to get PBR water at a similar luminance ot legacy water + glossenv *= 0.25; +} + void debugTapRefMap(vec3 pos, vec3 dir, float depth, int i, inout vec4 col) { vec3 origin = vec3(0,0,0); @@ -749,14 +726,6 @@ vec4 sampleReflectionProbesDebug(vec3 pos) return col; } -void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, - vec2 tc, vec3 pos, vec3 norm, float glossiness) -{ - sampleReflectionProbes(ambenv, glossenv, - tc, pos, norm, glossiness, false); -} - - void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity) { @@ -770,12 +739,12 @@ void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout if (glossiness > 0.0) { float lod = (1.0-glossiness)*reflection_lods; - glossenv = sampleProbes(pos, normalize(refnormpersp), lod, false); + glossenv = sampleProbes(pos, normalize(refnormpersp), lod); } if (envIntensity > 0.0) { - legacyenv = sampleProbes(pos, normalize(refnormpersp), 0.0, false); + legacyenv = sampleProbes(pos, normalize(refnormpersp), 0.0); } #if defined(SSR) |