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#include "nvfx_context.h"
static boolean
nvfx_state_scissor_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe;
struct pipe_scissor_state *s = &nvfx->scissor;
if ((rast->scissor == 0 && nvfx->state.scissor_enabled == 0))
return FALSE;
nvfx->state.scissor_enabled = rast->scissor;
WAIT_RING(chan, 3);
OUT_RING(chan, RING_3D(NV34TCL_SCISSOR_HORIZ, 2));
if (nvfx->state.scissor_enabled) {
OUT_RING(chan, ((s->maxx - s->minx) << 16) | s->minx);
OUT_RING(chan, ((s->maxy - s->miny) << 16) | s->miny);
} else {
OUT_RING(chan, 4096 << 16);
OUT_RING(chan, 4096 << 16);
}
return TRUE;
}
struct nvfx_state_entry nvfx_state_scissor = {
.validate = nvfx_state_scissor_validate,
.dirty = {
.pipe = NVFX_NEW_SCISSOR | NVFX_NEW_RAST,
}
};
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