diff options
Diffstat (limited to 'src/mesa/main/state.c')
| -rw-r--r-- | src/mesa/main/state.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 3dbbfaac76c..45bce78fd4a 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -292,6 +292,19 @@ update_viewport_matrix(struct gl_context *ctx) /** + * Update the ctx->Polygon._FrontBit flag. + */ +static void +update_frontbit(struct gl_context *ctx) +{ + if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT) + ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CW); + else + ctx->Polygon._FrontBit = (ctx->Polygon.FrontFace == GL_CCW); +} + + +/** * Update derived multisample state. */ static void @@ -373,6 +386,9 @@ _mesa_update_state_locked( struct gl_context *ctx ) if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX)) _mesa_update_texture( ctx, new_state ); + if (new_state & _NEW_POLYGON) + update_frontbit( ctx ); + if (new_state & _NEW_BUFFERS) _mesa_update_framebuffer(ctx); |