Beispiel #1
0
static void
setup_combiners(NVPtr pNv, PicturePtr src, PicturePtr mask)
{
	struct nouveau_channel *chan = pNv->chan;
	uint32_t rc_in_alpha = 0, rc_in_rgb = 0;

	if (PICT_FORMAT_A(src->format))
		rc_in_alpha |= RC_IN_TEX(A, ALPHA, 0);
	else
		rc_in_alpha |= RC_IN_ONE(A);

	if (mask && PICT_FORMAT_A(mask->format))
		rc_in_alpha |= RC_IN_TEX(B, ALPHA, 1);
	else
		rc_in_alpha |= RC_IN_ONE(B);

	if (effective_component_alpha(mask)) {
		if (!needs_src_alpha(pNv->alu)) {
			/* The alpha channels won't be used for blending. Drop
			 * them, as our pixels only have 4 components...
			 * output_i = src_i * mask_i
			 */
			if (PICT_FORMAT_RGB(src->format))
				rc_in_rgb |= RC_IN_TEX(A, RGB, 0);
		} else {
			/* The RGB channels won't be used for blending. Drop
			 * them.
			 * output_i = src_alpha * mask_i
			 */
			if (PICT_FORMAT_A(src->format))
				rc_in_rgb |= RC_IN_TEX(A, ALPHA, 0);
			else
				rc_in_rgb |= RC_IN_ONE(A);
		}

		rc_in_rgb |= RC_IN_TEX(B, RGB, 1);

	} else {
		if (PICT_FORMAT_RGB(src->format))
			rc_in_rgb |= RC_IN_TEX(A, RGB, 0);

		if (mask && PICT_FORMAT_A(mask->format))
			rc_in_rgb |= RC_IN_TEX(B, ALPHA, 1);
		else
			rc_in_rgb |= RC_IN_ONE(B);
	}

	BEGIN_NV04(chan, NV10_3D(RC_IN_ALPHA(0)), 1);
	OUT_RING  (chan, rc_in_alpha);
	BEGIN_NV04(chan, NV10_3D(RC_IN_RGB(0)), 1);
	OUT_RING  (chan, rc_in_rgb);
}
Beispiel #2
0
Bool
NV10EXAPrepareComposite(int op,
			PicturePtr pict_src,
			PicturePtr pict_mask,
			PicturePtr pict_dst,
			PixmapPtr src,
			PixmapPtr mask,
			PixmapPtr dst)
{
	ScrnInfoPtr pScrn = xf86ScreenToScrn(dst->drawable.pScreen);
	NVPtr pNv = NVPTR(pScrn);
	struct nouveau_pushbuf *push = pNv->pushbuf;
	uint32_t sc, sa, mc, ma;

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

	/* setup render target and blending */
	if (!setup_render_target(pNv, pict_dst, dst))
		return FALSE;
	setup_blend_function(pNv, pict_dst, op);

	/* select picture sources */
	if (!setup_picture(pNv, pict_src, src, 0, &sc, &sa))
		return FALSE;
	if (!setup_picture(pNv, pict_mask, mask, 1, &mc, &ma))
		return FALSE;

	/* configure register combiners */
	BEGIN_NV04(push, NV10_3D(RC_IN_ALPHA(0)), 1);
	PUSH_DATA (push, sa | ma);
	BEGIN_NV04(push, NV10_3D(RC_IN_RGB(0)), 1);
	if (effective_component_alpha(pict_mask)) {
		if (needs_src_alpha(op))
			PUSH_DATA(push, sa | mc);
		else
			PUSH_DATA(push, sc | mc);
	} else {
		PUSH_DATA(push, sc | ma);
	}

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

	pNv->pspict = pict_src;
	pNv->pmpict = pict_mask;
	return TRUE;
}
static void
nv20_hwctx_init(struct gl_context *ctx)
{
	struct nouveau_pushbuf *push = context_push(ctx);
	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
	struct nv04_fifo *fifo = hw->chan->data;
	int i;

	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
	PUSH_DATA (push, hw->eng3d->handle);
	BEGIN_NV04(push, NV20_3D(DMA_NOTIFY), 1);
	PUSH_DATA (push, hw->ntfy->handle);
	BEGIN_NV04(push, NV20_3D(DMA_TEXTURE0), 2);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->gart);
	BEGIN_NV04(push, NV20_3D(DMA_COLOR), 2);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->vram);
	BEGIN_NV04(push, NV20_3D(DMA_VTXBUF0), 2);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->gart);

	BEGIN_NV04(push, NV20_3D(DMA_QUERY), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
	PUSH_DATA (push, 0xfff << 16 | 0x0);
	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(0)), 1);
	PUSH_DATA (push, 0xfff << 16 | 0x0);

	for (i = 1; i < NV20_3D_VIEWPORT_CLIP_HORIZ__LEN; i++) {
		BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(i)), 1);
		PUSH_DATA (push, 0);
		BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(i)), 1);
		PUSH_DATA (push, 0);
	}

	BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_MODE), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, SUBC_3D(0x17e0), 3);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 1.0);

	if (context_chipset(ctx) >= 0x25) {
		BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
		PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL | 0xdb0);
	} else {
		BEGIN_NV04(push, SUBC_3D(0x1e68), 1);
		PUSH_DATA (push, 0x4b800000); /* 16777216.000000 */
		BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
		PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL);
	}

	BEGIN_NV04(push, SUBC_3D(0x290), 1);
	PUSH_DATA (push, 0x10 << 16 | 1);
	BEGIN_NV04(push, SUBC_3D(0x9fc), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, SUBC_3D(0x1d80), 1);
	PUSH_DATA (push, 1);
	BEGIN_NV04(push, SUBC_3D(0x9f8), 1);
	PUSH_DATA (push, 4);
	BEGIN_NV04(push, SUBC_3D(0x17ec), 3);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 0.0);

	if (context_chipset(ctx) >= 0x25) {
		BEGIN_NV04(push, SUBC_3D(0x1d88), 1);
		PUSH_DATA (push, 3);

		BEGIN_NV04(push, NV25_3D(DMA_HIERZ), 1);
		PUSH_DATA (push, fifo->vram);
		BEGIN_NV04(push, NV25_3D(UNK01AC), 1);
		PUSH_DATA (push, fifo->vram);
	}

	BEGIN_NV04(push, NV20_3D(DMA_FENCE), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV04_GRAPH(3D, NOTIFY), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, SUBC_3D(0x120), 3);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 1);
	PUSH_DATA (push, 2);

	if (context_chipset(ctx) >= 0x25) {
		BEGIN_NV04(push, SUBC_3D(0x1da4), 1);
		PUSH_DATA (push, 0);
	}

	BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
	PUSH_DATA (push, 0 << 16 | 0);
	PUSH_DATA (push, 0 << 16 | 0);

	BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_FUNC), 2);
	PUSH_DATA (push, NV20_3D_ALPHA_FUNC_FUNC_ALWAYS);
	PUSH_DATA (push, 0);

	for (i = 0; i < NV20_3D_TEX__LEN; i++) {
		BEGIN_NV04(push, NV20_3D(TEX_ENABLE(i)), 1);
		PUSH_DATA (push, 0);
	}

	BEGIN_NV04(push, NV20_3D(TEX_SHADER_OP), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(TEX_SHADER_CULL_MODE), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(RC_IN_ALPHA(0)), 4);
	PUSH_DATA (push, 0x30d410d0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(RC_OUT_RGB(0)), 4);
	PUSH_DATA (push, 0x00000c00);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(RC_ENABLE), 1);
	PUSH_DATA (push, 0x00011101);
	BEGIN_NV04(push, NV20_3D(RC_FINAL0), 2);
	PUSH_DATA (push, 0x130e0300);
	PUSH_DATA (push, 0x0c091c80);
	BEGIN_NV04(push, NV20_3D(RC_OUT_ALPHA(0)), 4);
	PUSH_DATA (push, 0x00000c00);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(RC_IN_RGB(0)), 4);
	PUSH_DATA (push, 0x20c400c0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(RC_COLOR0), 2);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(RC_CONSTANT_COLOR0(0)), 4);
	PUSH_DATA (push, 0x035125a0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0x40002000);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(MULTISAMPLE_CONTROL), 1);
	PUSH_DATA (push, 0xffff0000);
	BEGIN_NV04(push, NV20_3D(BLEND_FUNC_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(DITHER_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(STENCIL_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(BLEND_FUNC_SRC), 4);
	PUSH_DATA (push, NV20_3D_BLEND_FUNC_SRC_ONE);
	PUSH_DATA (push, NV20_3D_BLEND_FUNC_DST_ZERO);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, NV20_3D_BLEND_EQUATION_FUNC_ADD);
	BEGIN_NV04(push, NV20_3D(STENCIL_MASK), 7);
	PUSH_DATA (push, 0xff);
	PUSH_DATA (push, NV20_3D_STENCIL_FUNC_FUNC_ALWAYS);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0xff);
	PUSH_DATA (push, NV20_3D_STENCIL_OP_FAIL_KEEP);
	PUSH_DATA (push, NV20_3D_STENCIL_OP_ZFAIL_KEEP);
	PUSH_DATA (push, NV20_3D_STENCIL_OP_ZPASS_KEEP);

	BEGIN_NV04(push, NV20_3D(COLOR_LOGIC_OP_ENABLE), 2);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, NV20_3D_COLOR_LOGIC_OP_OP_COPY);
	BEGIN_NV04(push, SUBC_3D(0x17cc), 1);
	PUSH_DATA (push, 0);
	if (context_chipset(ctx) >= 0x25) {
		BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
		PUSH_DATA (push, 1);
	}
	BEGIN_NV04(push, NV20_3D(LIGHTING_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(LIGHT_MODEL), 1);
	PUSH_DATA (push, NV20_3D_LIGHT_MODEL_VIEWER_NONLOCAL);
	BEGIN_NV04(push, NV20_3D(SEPARATE_SPECULAR_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(LIGHT_MODEL_TWO_SIDE_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(ENABLED_LIGHTS), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(NORMALIZE_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_PATTERN(0)),
		   NV20_3D_POLYGON_STIPPLE_PATTERN__LEN);
	for (i = 0; i < NV20_3D_POLYGON_STIPPLE_PATTERN__LEN; i++) {
		PUSH_DATA (push, 0xffffffff);
	}

	BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_POINT_ENABLE), 3);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(DEPTH_FUNC), 1);
	PUSH_DATA (push, NV20_3D_DEPTH_FUNC_LESS);
	BEGIN_NV04(push, NV20_3D(DEPTH_WRITE_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(DEPTH_TEST_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_FACTOR), 2);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	BEGIN_NV04(push, NV20_3D(DEPTH_CLAMP), 1);
	PUSH_DATA (push, 1);
	if (context_chipset(ctx) < 0x25) {
		BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
		PUSH_DATA (push, 3);
	}
	BEGIN_NV04(push, NV20_3D(POINT_SIZE), 1);
	if (context_chipset(ctx) >= 0x25)
		PUSH_DATAf(push, 1.0);
	else
		PUSH_DATA (push, 8);

	if (context_chipset(ctx) >= 0x25) {
		BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 1);
		PUSH_DATA (push, 0);
		BEGIN_NV04(push, SUBC_3D(0x0a1c), 1);
		PUSH_DATA (push, 0x800);
	} else {
		BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 2);
		PUSH_DATA (push, 0);
		PUSH_DATA (push, 0);
	}

	BEGIN_NV04(push, NV20_3D(LINE_WIDTH), 1);
	PUSH_DATA (push, 8);
	BEGIN_NV04(push, NV20_3D(LINE_SMOOTH_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(POLYGON_MODE_FRONT), 2);
	PUSH_DATA (push, NV20_3D_POLYGON_MODE_FRONT_FILL);
	PUSH_DATA (push, NV20_3D_POLYGON_MODE_BACK_FILL);
	BEGIN_NV04(push, NV20_3D(CULL_FACE), 2);
	PUSH_DATA (push, NV20_3D_CULL_FACE_BACK);
	PUSH_DATA (push, NV20_3D_FRONT_FACE_CCW);
	BEGIN_NV04(push, NV20_3D(POLYGON_SMOOTH_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(CULL_FACE_ENABLE), 1);
	PUSH_DATA (push, 0);
	BEGIN_NV04(push, NV20_3D(SHADE_MODEL), 1);
	PUSH_DATA (push, NV20_3D_SHADE_MODEL_SMOOTH);
	BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_ENABLE), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(0,0)),
		   4 * NV20_3D_TEX_GEN_MODE__ESIZE);
	for (i=0; i < 4 * NV20_3D_TEX_GEN_MODE__LEN; i++)
		PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(FOG_COEFF(0)), 3);
	PUSH_DATAf(push, 1.5);
	PUSH_DATAf(push, -0.090168);
	PUSH_DATAf(push, 0.0);
	BEGIN_NV04(push, NV20_3D(FOG_MODE), 2);
	PUSH_DATA (push, NV20_3D_FOG_MODE_EXP_SIGNED);
	PUSH_DATA (push, NV20_3D_FOG_COORD_FOG);
	BEGIN_NV04(push, NV20_3D(FOG_ENABLE), 2);
	PUSH_DATA (push, 0);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(ENGINE), 1);
	PUSH_DATA (push, NV20_3D_ENGINE_FIXED);

	for (i = 0; i < NV20_3D_TEX_MATRIX_ENABLE__LEN; i++) {
		BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
		PUSH_DATA (push, 0);
	}

	BEGIN_NV04(push, NV20_3D(VERTEX_ATTR_4F_X(1)), 4 * 15);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 1.0);
	PUSH_DATAf(push, 1.0);
	for (i = 0; i < 12; i++) {
		PUSH_DATAf(push, 0.0);
		PUSH_DATAf(push, 0.0);
		PUSH_DATAf(push, 0.0);
		PUSH_DATAf(push, 1.0);
	}

	BEGIN_NV04(push, NV20_3D(EDGEFLAG_ENABLE), 1);
	PUSH_DATA (push, 1);
	BEGIN_NV04(push, NV20_3D(COLOR_MASK), 1);
	PUSH_DATA (push, 0x00010101);
	BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
	PUSH_DATA (push, 0);

	BEGIN_NV04(push, NV20_3D(DEPTH_RANGE_NEAR), 2);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 16777216.0);

	BEGIN_NV04(push, NV20_3D(VIEWPORT_TRANSLATE_X), 4);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 16777215.0);

	BEGIN_NV04(push, NV20_3D(VIEWPORT_SCALE_X), 4);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 0.0);
	PUSH_DATAf(push, 16777215.0 * 0.5);
	PUSH_DATAf(push, 65535.0);

	PUSH_KICK (push);
}
Beispiel #4
0
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;
}