| #include "nv40_context.h" |
| |
| static boolean |
| nv40_state_scissor_validate(struct nv40_context *nv40) |
| { |
| struct pipe_rasterizer_state *rast = &nv40->rasterizer->pipe; |
| struct pipe_scissor_state *s = &nv40->scissor; |
| struct nouveau_stateobj *so; |
| |
| if (nv40->state.hw[NV40_STATE_SCISSOR] && |
| (rast->scissor == 0 && nv40->state.scissor_enabled == 0)) |
| return FALSE; |
| nv40->state.scissor_enabled = rast->scissor; |
| |
| so = so_new(3, 0); |
| so_method(so, nv40->screen->curie, NV40TCL_SCISSOR_HORIZ, 2); |
| if (nv40->state.scissor_enabled) { |
| so_data (so, ((s->maxx - s->minx) << 16) | s->minx); |
| so_data (so, ((s->maxy - s->miny) << 16) | s->miny); |
| } else { |
| so_data (so, 4096 << 16); |
| so_data (so, 4096 << 16); |
| } |
| |
| so_ref(so, &nv40->state.hw[NV40_STATE_SCISSOR]); |
| so_ref(NULL, &so); |
| return TRUE; |
| } |
| |
| struct nv40_state_entry nv40_state_scissor = { |
| .validate = nv40_state_scissor_validate, |
| .dirty = { |
| .pipe = NV40_NEW_SCISSOR | NV40_NEW_RAST, |
| .hw = NV40_STATE_SCISSOR |
| } |
| }; |