diff options
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_basic_frag.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_basic_frag.glsl | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_basic_frag.glsl b/source/blender/gpu/shaders/gpu_shader_basic_frag.glsl index ea5f6aef005..01a335af048 100644 --- a/source/blender/gpu/shaders/gpu_shader_basic_frag.glsl +++ b/source/blender/gpu/shaders/gpu_shader_basic_frag.glsl @@ -28,8 +28,11 @@ #define STIPPLE_S3D_INTERLACE_CHECKERBOARD_SWAP 11 #if defined(USE_SOLID_LIGHTING) || defined(USE_SCENE_LIGHTING) +#if defined(USE_FLAT_NORMAL) +varying vec3 eyespace_vert_pos; +#else varying vec3 varying_normal; - +#endif #ifndef USE_SOLID_LIGHTING varying vec3 varying_position; #endif @@ -146,7 +149,11 @@ void main() #if defined(USE_SOLID_LIGHTING) || defined(USE_SCENE_LIGHTING) /* compute normal */ +#if defined(USE_FLAT_NORMAL) + vec3 N = normalize(cross(dFdx(eyespace_vert_pos), dFdy(eyespace_vert_pos))); +#else vec3 N = normalize(varying_normal); +#endif #ifdef USE_TWO_SIDED if (!gl_FrontFacing) |