diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl | 109 |
1 files changed, 46 insertions, 63 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl index 1ea801d7d7..d31b37fb60 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl @@ -25,16 +25,6 @@ /*[EXTRA_CODE_HERE]*/ -#define DEBUG_ANY_LIGHT_TYPE 0 // Output green light cone -#define DEBUG_LEG_LIGHT_TYPE 0 // Show Legacy objects in green -#define DEBUG_PBR_LIGHT_TYPE 0 // Show PBR objects in green -#define DEBUG_PBR_SPOT 0 -#define DEBUG_PBR_SPOT_DIFFUSE 0 -#define DEBUG_PBR_SPOT_SPECULAR 0 - -#define DEBUG_SPOT_NL 0 // monochome area effected by light -#define DEBUG_SPOT_ZERO 0 // Output zero for spotlight - out vec4 frag_color; uniform sampler2D diffuseRect; @@ -64,11 +54,16 @@ uniform float sun_wash; uniform int proj_shadow_idx; uniform float shadow_fade; +// Light params +#if defined(MULTI_SPOTLIGHT) +uniform vec3 center; +#else +in vec3 trans_center; +#endif uniform float size; uniform vec3 color; uniform float falloff; -in vec3 trans_center; in vec4 vary_fragcoord; uniform vec2 screen_res; @@ -80,11 +75,8 @@ bool clipProjectedLightVars(vec3 center, vec3 pos, out float dist, out float l_d vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensity); vec3 getProjectedLightAmbiance(float amb_da, float attenuation, float lit, float nl, float noise, vec2 projected_uv); vec3 getProjectedLightDiffuseColor(float light_distance, vec2 projected_uv ); -vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n); -vec2 getScreenXY(vec4 clip_point); -vec2 getScreenCoord(vec4 clip_point); -vec3 srgb_to_linear(vec3 c); -vec3 legacy_adjust(vec3 c); +vec2 getScreenCoord(vec4 clip); +vec3 srgb_to_linear(vec3 cs); vec4 texture2DLodSpecular(vec2 tc, float lod); vec4 getPosition(vec2 pos_screen); @@ -100,9 +92,6 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, void main() { -#if defined(LOCAL_LIGHT_KILL) - discard; -#else vec3 final_color = vec3(0,0,0); vec2 tc = getScreenCoord(vary_fragcoord); vec3 pos = getPosition(tc).xyz; @@ -110,24 +99,31 @@ void main() vec3 lv; vec4 proj_tc; float dist, l_dist; - if (clipProjectedLightVars(trans_center, pos, dist, l_dist, lv, proj_tc)) + vec3 c; +#if defined(MULTI_SPOTLIGHT) + c = center; +#else + c = trans_center; +#endif + + if (clipProjectedLightVars(c, pos, dist, l_dist, lv, proj_tc)) { discard; } float shadow = 1.0; - + if (proj_shadow_idx >= 0) { vec4 shd = texture(lightMap, tc); - shadow = (proj_shadow_idx == 0) ? shd.b : shd.a; + shadow = (proj_shadow_idx==0)?shd.b:shd.a; shadow += shadow_fade; - shadow = clamp(shadow, 0.0, 1.0); + shadow = clamp(shadow, 0.0, 1.0); } float envIntensity; vec3 n; - vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); // need `norm.w` for GET_GBUFFER_FLAG() + vec4 norm = getNormalEnvIntensityFlags(tc, n, envIntensity); float dist_atten = calcLegacyDistanceAttenuation(dist, falloff); if (dist_atten <= 0.0) @@ -135,7 +131,7 @@ void main() discard; } - lv = proj_origin-pos.xyz; // NOTE: Re-using lv + lv = proj_origin-pos.xyz; vec3 h, l, v = -normalize(pos); float nh, nl, nv, vh, lightDist; calcHalfVectors(lv, n, v, h, l, nh, nl, nv, vh, lightDist); @@ -146,10 +142,11 @@ void main() vec3 slit = vec3(0, 0, 0); vec3 amb_rgb = vec3(0); + if (GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_PBR)) { - vec3 colorEmissive = texture(emissiveRect, tc).rgb; - vec3 orm = spec.rgb; + vec3 colorEmissive = texture(emissiveRect, tc).rgb; + vec3 orm = spec.rgb; float perceptualRoughness = orm.g; float metallic = orm.b; vec3 f0 = vec3(0.04); @@ -167,33 +164,34 @@ void main() float lit = 0.0; float amb_da = 0.0; + lv = normalize(lv); + if (nl > 0.0) { amb_da += (nl*0.5 + 0.5) * proj_ambiance; dlit = getProjectedLightDiffuseColor( l_dist, proj_tc.xy ); - vec3 intensity = dist_atten * dlit * 3.9 * shadow; // Legacy attenuation - final_color += intensity*pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n.xyz, v, normalize(lv)); + vec3 intensity = dist_atten * dlit * 3.25 * shadow; // Legacy attenuation, magic number to balance with legacy materials + final_color += intensity*pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n.xyz, v, lv); } - amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ); - final_color += diffuse.rgb * amb_rgb; + amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ) * 3.25; //magic number to balance with legacy ambiance + final_color += amb_rgb * pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n.xyz, v, -lv); } } else { - diffuse = legacy_adjust(diffuse); diffuse = srgb_to_linear(diffuse); spec.rgb = srgb_to_linear(spec.rgb); - + if (proj_tc.z > 0.0 && proj_tc.x < 1.0 && proj_tc.y < 1.0 && proj_tc.x > 0.0 && proj_tc.y > 0.0) { - float amb_da = proj_ambiance; + float amb_da = 0; float lit = 0.0; if (nl > 0.0) @@ -204,24 +202,23 @@ void main() final_color = dlit*lit*diffuse*shadow; + // unshadowed for consistency between forward and deferred? amb_da += (nl*0.5+0.5) /* * (1.0-shadow) */ * proj_ambiance; } - - vec3 amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ); - final_color += diffuse.rgb*amb_rgb; - #if DEBUG_LEG_LIGHT_TYPE - final_color = vec3(0,0.5,0); - #endif + + amb_rgb = getProjectedLightAmbiance( amb_da, dist_atten, lit, nl, 1.0, proj_tc.xy ); + final_color += diffuse.rgb * amb_rgb * max(dot(-normalize(lv), n), 0.0); } - + if (spec.a > 0.0) { dlit *= min(nl*6.0, 1.0) * dist_atten; - float fres = pow(1 - dot(h, v), 5)*0.4+0.5; + + float fres = pow(1 - vh, 5)*0.4+0.5; float gtdenom = 2 * nh; float gt = max(0, min(gtdenom * nv / vh, gtdenom * nl / vh)); - + if (nh > 0.0) { float scol = fres*texture(lightFunc, vec2(nh, spec.a)).r*gt/(nh*nl); @@ -229,26 +226,26 @@ void main() speccol = clamp(speccol, vec3(0), vec3(1)); final_color += speccol; } - } + } if (envIntensity > 0.0) { vec3 ref = reflect(normalize(pos), n); - + //project from point pos in direction ref to plane proj_p, proj_n vec3 pdelta = proj_p-pos; float ds = dot(ref, proj_n); - + if (ds < 0.0) { vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds; - + vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0)); if (stc.z > 0.0) { stc /= stc.w; - + if (stc.x < 1.0 && stc.y < 1.0 && stc.x > 0.0 && @@ -261,24 +258,10 @@ void main() } } -#if DEBUG_PBR_SPOT_DIFFUSE - final_color = vec3(nl * dist_atten); -#endif -#if DEBUG_SPOT_NL - final_color = vec3(nl); -#endif -#if DEBUG_SPOT_ZERO - final_color = vec3(0,0,0); -#endif -#if DEBUG_ANY_LIGHT_TYPE - final_color = vec3(0,0.3333,0); -#endif - //not sure why, but this line prevents MATBUG-194 final_color = max(final_color, vec3(0.0)); - //output linear colors as gamma correction happens down stream + //output linear frag_color.rgb = final_color; frag_color.a = 0.0; -#endif // LOCAL_LIGHT_KILL } |