clip_rectangle.c


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#include <stdio.h>
#include <stdint.h>
#include "nouveau_class.h"
#include <nouveau_pushbuf.h>
#include <nouveau_notifier.h>

#include "screen.h"
#include "object.h"
#include "fifo.h"

void clip_rectangle_init(void)
{
	struct nouveau_grobj *subchClipRect = grobj[NvSubClipRect];

	printf("-- Clip rectangle, init\n");

	BEGIN_RING(chan, subchClipRect, NV01_CONTEXT_CLIP_RECTANGLE_DMA_NOTIFY, 1);
	OUT_RING  (chan, notifier->handle);

	BEGIN_RING(chan, subchClipRect, NV01_CONTEXT_CLIP_RECTANGLE_POINT, 2);
	OUT_RING  (chan, (viewport_y<<16) | viewport_x);
	OUT_RING  (chan, (viewport_h<<16) | viewport_w);

	FIRE_RING(chan);
}