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#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
}
};
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