diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_state_scissor.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_state_scissor.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_state_scissor.c b/src/gallium/drivers/nv40/nv40_state_scissor.c new file mode 100644 index 0000000000..9e9eadc511 --- /dev/null +++ b/src/gallium/drivers/nv40/nv40_state_scissor.c @@ -0,0 +1,34 @@ +#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; + + so = so_new(3, 0); + so_method(so, nv40->screen->curie, NV40TCL_SCISSOR_HORIZ, 2); + if (rast->scissor) { + 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]); + 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 + } +}; |