C++ (Cpp) NV30_SetupBlend Examples

Example #1

File: nv30_exa.c Project: Vikthor/xf86-video-nouveau

Bool
NV30EXAPrepareComposite(int op, PicturePtr psPict,
		PicturePtr pmPict,
		PicturePtr pdPict,
		PixmapPtr  psPix,
		PixmapPtr  pmPix,
		PixmapPtr  pdPix)
{
	ScrnInfoPtr pScrn = xf86ScreenToScrn(pdPix->drawable.pScreen);
	NVPtr pNv = NVPTR(pScrn);
	nv_pict_op_t *blend = NV30_GetPictOpRec(op);
	struct nouveau_pushbuf *push = pNv->pushbuf;
	uint32_t sc, sa, mc, ma, solid[2];

	if (!PUSH_SPACE(push, 128))
		return FALSE;
	PUSH_RESET(push);

	/* setup render target and blending */
	if (!NV30_SetupSurface(pScrn, pdPix, pdPict))
		return FALSE;
	NV30_SetupBlend(pScrn, blend, pdPict->format,
			(pmPict && pmPict->componentAlpha &&
			 PICT_FORMAT_RGB(pmPict->format)));

	/* select picture sources */
	if (!NV30EXAPicture(pScrn, psPix, psPict, 0, &sc, &sa, &solid[0]))
		return FALSE;
	if (!NV30EXAPicture(pScrn, pmPix, pmPict, 1, &mc, &ma, &solid[1]))
		return FALSE;

	/* configure register combiners */
	BEGIN_NV04(push, NV30_3D(RC_IN_ALPHA(0)), 6);
	PUSH_DATA (push, sa | ma);
	if (pmPict &&
	    pmPict->componentAlpha && PICT_FORMAT_RGB(pmPict->format)) {
		if (blend->src_alpha)
			PUSH_DATA(push, sa | mc);
		else
			PUSH_DATA(push, sc | mc);
	} else {
		PUSH_DATA(push, sc | ma);
	}
	PUSH_DATA (push, solid[0]);
	PUSH_DATA (push, solid[1]);
	PUSH_DATA (push, 0x00000c00);
	PUSH_DATA (push, 0x00000c00);
	BEGIN_NV04(push, NV30_3D(RC_FINAL0), 3);
	if (pdPict->format != PICT_a8)
		PUSH_DATA (push, 0x0000000c);
	else
		PUSH_DATA (push, 0x0000001c);
	PUSH_DATA (push, 0x00001c00);
	PUSH_DATA (push, 0x01000101);

	/* select fragprog which just sources textures for combiners */
	BEGIN_NV04(push, NV30_3D(FP_ACTIVE_PROGRAM), 1);
	PUSH_MTHD (push, NV30_3D(FP_ACTIVE_PROGRAM), pNv->scratch, PFP_PASS,
			 NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_LOW |
			 NOUVEAU_BO_OR,
			 NV30_3D_FP_ACTIVE_PROGRAM_DMA0,
			 NV30_3D_FP_ACTIVE_PROGRAM_DMA1);
	BEGIN_NV04(push, NV30_3D(FP_REG_CONTROL), 1);
	PUSH_DATA (push, 0x0001000f);
	BEGIN_NV04(push, NV30_3D(FP_CONTROL), 1);
	PUSH_DATA (push, 0x00000000);
	BEGIN_NV04(push, NV30_3D(TEX_UNITS_ENABLE), 1);
	PUSH_DATA (push, 3);

	nouveau_pushbuf_bufctx(push, pNv->bufctx);
	if (nouveau_pushbuf_validate(push)) {
		nouveau_pushbuf_bufctx(push, NULL);
		return FALSE;
	}

	return TRUE;
}

Example #2

File: nv30_exa.c Project: Plombo/xf86-video-nouveau

Bool
NV30EXAPrepareComposite(int op, PicturePtr psPict,
		PicturePtr pmPict,
		PicturePtr pdPict,
		PixmapPtr  psPix,
		PixmapPtr  pmPix,
		PixmapPtr  pdPix)
{
	ScrnInfoPtr pScrn = xf86Screens[psPix->drawable.pScreen->myNum];
	NVPtr pNv = NVPTR(pScrn);
	struct nouveau_channel *chan = pNv->chan;
	struct nouveau_grobj *rankine = pNv->Nv3D;
	nv_pict_op_t *blend;
	int fpid = NV30EXA_FPID_PASS_COL0;
	NV30EXA_STATE;

	if (MARK_RING(chan, 128, 1 + 1 + 4))
		return FALSE;

	blend = NV30_GetPictOpRec(op);

	NV30_SetupBlend(pScrn, blend, pdPict->format,
			(pmPict && pmPict->componentAlpha &&
			 PICT_FORMAT_RGB(pmPict->format)));

	if (!NV30_SetupSurface(pScrn, pdPix, pdPict) ||
	    !NV30EXATexture(pScrn, psPix, psPict, 0)) {
		MARK_UNDO(chan);
		return FALSE;
	}

#if 0
#define printformat(f) ErrorF("(%xh %s %dbpp A%dR%dG%dB%d)",f,(f>>16)&0xf==2?"ARGB":"ABGR",(f>>24),(f&0xf000)>>12,(f&0xf00)>>8,(f&0xf0)>>4,f&0xf)
	ErrorF("Preparecomposite src(%dx%d)",psPict->pDrawable->width,psPict->pDrawable->height);
	printformat((psPict->format));
	ErrorF(" dst(%dx%d)",pdPict->pDrawable->width,pdPict->pDrawable->height);
	printformat((pdPict->format));
	if (pmPict)
	{
		ErrorF(" mask(%dx%d)",pmPict->pDrawable->width,pmPict->pDrawable->height);
		printformat((pmPict->format));
	}
	ErrorF("\n");
#endif

	if (pmPict) {
		if (!NV30EXATexture(pScrn, pmPix, pmPict, 1)) {
			MARK_UNDO(chan);
			return FALSE;
		}

		if (pmPict->componentAlpha && PICT_FORMAT_RGB(pmPict->format)) {
			if (blend->src_alpha)
				fpid = NV30EXA_FPID_COMPOSITE_MASK_SA_CA;
			else
				fpid = NV30EXA_FPID_COMPOSITE_MASK_CA;
		} else {
			fpid = NV30EXA_FPID_COMPOSITE_MASK;
		}

		state->have_mask = TRUE;
	} else {
		fpid = NV30EXA_FPID_PASS_TEX0;

		state->have_mask = FALSE;
	}

	if (!NV30_LoadFragProg(pScrn, (pdPict->format == PICT_a8) ?
			       nv40_fp_map_a8[fpid] : nv40_fp_map[fpid])) {
		MARK_UNDO(chan);
		return FALSE;
	}

	BEGIN_RING(chan, rankine, 0x23c, 1);
	OUT_RING  (chan, pmPict?3:1);

	pNv->alu = op;
	pNv->pspict = psPict;
	pNv->pmpict = pmPict;
	pNv->pdpict = pdPict;
	pNv->pspix = psPix;
	pNv->pmpix = pmPix;
	pNv->pdpix = pdPix;
	chan->flush_notify = NV30EXAStateCompositeReemit;
	return TRUE;
}