diff options
Diffstat (limited to 'indra/newview/app_settings')
4 files changed, 55 insertions, 17 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl index dac93cee3a..d560a49c1f 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl @@ -194,8 +194,12 @@ void main() vec3 light_dir = (sun_up_factor == 1) ? sun_dir: moon_dir; float da = dot(norm.xyz, light_dir.xyz); - da = clamp(da, 0.0, 1.0); - da = pow(da, 1.0 / 1.3); + + float final_da = da; + final_da = min(final_da, shadow); + final_da = max(final_da, 0.0f); + final_da = min(final_da, 1.0f); + final_da = pow(final_da, 1.0/1.3); vec4 color = vec4(0,0,0,0); @@ -205,9 +209,9 @@ void main() float ambient = abs(da); ambient *= 0.5; ambient *= ambient; - ambient = 1.0 - ambient; + ambient = 1.0 - max(0.9, ambient); - vec3 sun_contrib = min(da, shadow) * sunlit; + vec3 sun_contrib = final_da * sunlit; color.rgb *= ambient; color.rgb += sun_contrib; diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index c43b5b22bf..d389d975fa 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -302,7 +302,7 @@ void main() float ambient = abs(da); ambient *= 0.5; ambient *= ambient; - ambient = 1.0 - ambient; + ambient = 1.0 - max(0.9, ambient); float final_da = min(da, shadow); vec3 sun_contrib = final_da * sunlit; diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl index 6ff49c7dac..2d2d00cb51 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl @@ -46,21 +46,52 @@ uniform mat4 inv_proj; uniform vec2 screen_res; uniform int sun_up_factor; +const float sample_count = 5; + +float cGoldenAngle = 2.39996323f; + float pcfShadow(sampler2DShadow shadowMap, vec3 norm, vec4 stc, float bias_mul, vec2 pos_screen, vec3 light_dir) { stc.xyz /= stc.w; + stc.z += shadow_bias * bias_mul * 4.0; + + float shadow = 0.0; + float cs = shadow2D(shadowMap, stc.xyz).x; + float initialTheta = cGoldenAngle*fract((pos_screen.y+pos_screen.x)*shadow_res.y); + float theta = initialTheta; + int i; + for (i = 0; i < sample_count; i++) + { + float r = float(i) / float(sample_count); + float weight = sqrt(1.0 - r); + r = sqrt(r); + vec2 sampleOffset; + sampleOffset.x = cos(theta); + sampleOffset.y = sin(theta); + sampleOffset *= r * 2.0; + float s = shadow2D(shadowMap, stc.xyz + vec3(sampleOffset, 0)).x; + shadow += weight * s; + theta += cGoldenAngle; + } + shadow /= float(sample_count); + shadow += cs; + shadow *= 0.5; + return shadow; +} + +float pcfShadowOld(sampler2DShadow shadowMap, vec3 norm, vec4 stc, float bias_mul, vec2 pos_screen, vec3 light_dir) +{ + stc.xyz /= stc.w; + + float cs = shadow2D(shadowMap, stc.xyz).x; stc.z += shadow_bias * bias_mul * 2.0; stc.x = floor(stc.x*shadow_res.x + fract(stc.y*shadow_res.y))/shadow_res.x; // add some chaotic 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 * 4.0; - + 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 * 0.125; + return shadow * 0.2; } float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen) diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 7f1d518dd6..0c9dc5da58 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -98,15 +98,18 @@ void main() vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; float da = dot(normalize(norm.xyz), light_dir.xyz); - da = clamp(da, 0.0, 1.0); - - float light_gamma = 1.0/1.3; - da = pow(da, light_gamma); vec4 diffuse = texture2DRect(diffuseRect, tc); scol = max(scol_ambocc.r, diffuse.a); + float final_da = da; + final_da = min(final_da, scol); + final_da = clamp(final_da, 0.0, 1.0); + + float light_gamma = 1.0/1.3; + final_da = pow(final_da, light_gamma); + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); vec3 col; float bloom = 0.0; @@ -123,9 +126,9 @@ void main() float ambient = abs(da); ambient *= 0.5; ambient *= ambient; - ambient = 1.0 - ambient; + ambient = 1.0 - max(0.9, ambient); - vec3 sun_contrib = min(da,scol) * sunlit; + vec3 sun_contrib = final_da * sunlit; col.rgb = amblit; col.rgb *= ambient; |