diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl')
-rwxr-xr-x | indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl index 7d39ad7bc1..11220bfa47 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl @@ -84,15 +84,30 @@ vec3 decode_normal (vec2 enc) return n; } -vec4 correctWithGamma(vec4 col) +vec3 srgb_to_linear(vec3 cs) { - return vec4(pow(col.rgb, vec3(2.2)), col.a); + +/* { cs / 12.92, cs <= 0.04045 + cl = { + { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/ + + return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); +} + +vec3 linear_to_srgb(vec3 cl) +{ + /*{ 0.0, 0 <= cl + { 12.92 * c, 0 < cl < 0.0031308 + cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 + { 1.0, cl >= 1*/ + + return 1.055 * pow(cl, vec3(0.41666)) - 0.055; } vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = tc-vec2(0.5); @@ -108,7 +123,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = vec2(0.5) - abs(tc-vec2(0.5)); @@ -126,7 +141,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod) vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod) { vec4 ret = texture2DLod(projectionMap, tc, lod); - ret = correctWithGamma(ret); + ret.rgb = srgb_to_linear(ret.rgb); vec2 dist = tc-vec2(0.5); |