diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/light.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index 3e7b5a3781..6f2eb16fd2 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1,4 +1,4 @@ -/* $Id: light.c,v 1.14 2000/06/26 23:37:46 brianp Exp $ */ +/* $Id: light.c,v 1.15 2000/06/29 04:56:30 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -1258,13 +1258,12 @@ void gl_update_lighting( GLcontext *ctx ) /* Precompute some shading values. */ - if (ctx->Visual->RGBAflag) - { + if (ctx->Visual->RGBAflag) { GLuint sides = ((ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) ? 2 : 1); GLuint side; for (side=0; side < sides; side++) { struct gl_material *mat = &ctx->Light.Material[side]; - + COPY_3V(ctx->Light.BaseColor[side], mat->Emission); ACC_SCALE_3V(ctx->Light.BaseColor[side], ctx->Light.Model.Ambient, @@ -1276,12 +1275,10 @@ void gl_update_lighting( GLcontext *ctx ) foreach (light, &ctx->Light.EnabledList) { for (side=0; side< sides; side++) { - struct gl_material *mat = &ctx->Light.Material[side]; - SCALE_3V( light->MatDiffuse[side], light->Diffuse, mat->Diffuse ); - SCALE_3V( light->MatAmbient[side], light->Ambient, mat->Ambient ); - ACC_3V( ctx->Light.BaseColor[side], light->MatAmbient[side] ); - if (light->Flags & LIGHT_SPECULAR) - { + const struct gl_material *mat = &ctx->Light.Material[side]; + SCALE_3V( light->MatDiffuse[side], light->Diffuse, mat->Diffuse ); + SCALE_3V( light->MatAmbient[side], light->Ambient, mat->Ambient ); + if (light->Flags & LIGHT_SPECULAR) { SCALE_3V( light->MatSpecular[side], light->Specular, mat->Specular); light->IsMatSpecular[side] = @@ -1292,10 +1289,8 @@ void gl_update_lighting( GLcontext *ctx ) } } } - else - { - static GLfloat ci[3] = { .30, .59, .11 }; - + else { + static const GLfloat ci[3] = { .30, .59, .11 }; foreach(light, &ctx->Light.EnabledList) { light->dli = DOT3(ci, light->Diffuse); light->sli = DOT3(ci, light->Specular); @@ -1303,6 +1298,8 @@ void gl_update_lighting( GLcontext *ctx ) } } + + /* Need to seriously restrict the circumstances under which these * calc's are performed. */ |