diff options
| author | Elias Fleckenstein <eliasfleckenstein@web.de> | 2020-07-18 13:53:15 +0200 |
|---|---|---|
| committer | Elias Fleckenstein <eliasfleckenstein@web.de> | 2020-07-18 13:53:15 +0200 |
| commit | ffe3c2ae0db6fed0f2b08b71bfa69f3d3df3bb1f (patch) | |
| tree | cc7d9f74a43215c5d8e3965a2bfc2aea5867a7a0 /client/shaders/object_shader/opengl_vertex.glsl | |
| parent | 45aa2516b2fc675df7049bc9ed713600c95b6423 (diff) | |
| parent | 82731d0d3d8bfe9e56f89466991f13c037f3a61e (diff) | |
| download | dragonfireclient-ffe3c2ae0db6fed0f2b08b71bfa69f3d3df3bb1f.tar.xz | |
Update to minetest 5.4.0-dev
Diffstat (limited to 'client/shaders/object_shader/opengl_vertex.glsl')
| -rw-r--r-- | client/shaders/object_shader/opengl_vertex.glsl | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/client/shaders/object_shader/opengl_vertex.glsl b/client/shaders/object_shader/opengl_vertex.glsl index 488089392..968a07e22 100644 --- a/client/shaders/object_shader/opengl_vertex.glsl +++ b/client/shaders/object_shader/opengl_vertex.glsl @@ -38,7 +38,16 @@ void main(void) lightVec = sunPosition - worldPosition; eyeVec = -(gl_ModelViewMatrix * gl_Vertex).xyz; - vIDiff = directional_ambient(normalize(gl_Normal)); + +#if (MATERIAL_TYPE == TILE_MATERIAL_PLAIN) || (MATERIAL_TYPE == TILE_MATERIAL_PLAIN_ALPHA) + vIDiff = 1.0; +#else + // This is intentional comparison with zero without any margin. + // If normal is not equal to zero exactly, then we assume it's a valid, just not normalized vector + vIDiff = length(gl_Normal) == 0.0 + ? 1.0 + : directional_ambient(normalize(gl_Normal)); +#endif gl_FrontColor = gl_BackColor = gl_Color; } |