diff options
| author | SmileTheory <SmileTheory@gmail.com> | 2013-11-04 22:50:53 -0800 |
|---|---|---|
| committer | Tim Angus <tim@ngus.net> | 2014-06-17 17:43:35 +0100 |
| commit | 6fc4c57dfe77e5768c71ac4a4a482562f424336a (patch) | |
| tree | dd80718ae1e682c2d995e97ff00f18c9ff58ac06 /src | |
| parent | c13f4e348f872cd9bbfe81d82175fcf61b7eacf6 (diff) | |
OpenGL2: Some small shader optimizations.
Diffstat (limited to 'src')
| -rw-r--r-- | src/renderergl2/glsl/lightall_fp.glsl | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/renderergl2/glsl/lightall_fp.glsl b/src/renderergl2/glsl/lightall_fp.glsl index 51e4634f..b937483e 100644 --- a/src/renderergl2/glsl/lightall_fp.glsl +++ b/src/renderergl2/glsl/lightall_fp.glsl @@ -332,8 +332,8 @@ void main() #endif #if defined(USE_DELUXEMAP) - L = (2.0 * texture2D(u_DeluxeMap, var_TexCoords.zw).xyz - vec3(1.0)); - L = L * u_EnableTextures.y + var_LightDir.xyz; + L = texture2D(u_DeluxeMap, var_TexCoords.zw).xyz - vec3(0.5); + L = L * u_EnableTextures.y + var_LightDir.xyz; #elif defined(USE_LIGHT) && !defined(USE_FAST_LIGHT) L = var_LightDir.xyz; #endif @@ -378,12 +378,12 @@ void main() #if defined(USE_LIGHT) && !defined(USE_FAST_LIGHT) #if defined(USE_NORMALMAP) #if defined(SWIZZLE_NORMALMAP) - N.xy = 2.0 * texture2D(u_NormalMap, texCoords).ag - vec2(1.0); + N.xy = texture2D(u_NormalMap, texCoords).ag - vec2(0.5); #else - N.xy = 2.0 * texture2D(u_NormalMap, texCoords).rg - vec2(1.0); + N.xy = texture2D(u_NormalMap, texCoords).rg - vec2(0.5); #endif N.xy *= u_EnableTextures.x; - N.z = sqrt(1.0 - clamp(dot(N.xy, N.xy), 0.0, 1.0)); + N.z = sqrt(0.25 - dot(N.xy, N.xy)); N = normalize(tangentToWorld * N); #else N = normalize(var_Normal.xyz); |