Esempio n. 1
0
void *
fd2_blend_state_create(struct pipe_context *pctx,
		const struct pipe_blend_state *cso)
{
	const struct pipe_rt_blend_state *rt = &cso->rt[0];
	struct fd2_blend_stateobj *so;

	if (cso->logicop_enable) {
		DBG("Unsupported! logicop");
		return NULL;
	}

	if (cso->independent_blend_enable) {
		DBG("Unsupported! independent blend state");
		return NULL;
	}

	so = CALLOC_STRUCT(fd2_blend_stateobj);
	if (!so)
		return NULL;

	so->base = *cso;

	so->rb_colorcontrol = A2XX_RB_COLORCONTROL_ROP_CODE(12);

	so->rb_blendcontrol =
		A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(fd_blend_factor(rt->rgb_src_factor)) |
		A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(blend_func(rt->rgb_func)) |
		A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(fd_blend_factor(rt->rgb_dst_factor)) |
		A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(fd_blend_factor(rt->alpha_src_factor)) |
		A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(blend_func(rt->alpha_func)) |
		A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(fd_blend_factor(rt->alpha_dst_factor));

	if (rt->colormask & PIPE_MASK_R)
		so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_RED;
	if (rt->colormask & PIPE_MASK_G)
		so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_GREEN;
	if (rt->colormask & PIPE_MASK_B)
		so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_BLUE;
	if (rt->colormask & PIPE_MASK_A)
		so->rb_colormask |= A2XX_RB_COLOR_MASK_WRITE_ALPHA;

	if (!rt->blend_enable)
		so->rb_colorcontrol |= A2XX_RB_COLORCONTROL_BLEND_DISABLE;

	if (cso->dither)
		so->rb_colorcontrol |= A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_ALWAYS);

	return so;
}
Esempio n. 2
0
void *
fd4_blend_state_create(struct pipe_context *pctx,
		const struct pipe_blend_state *cso)
{
	struct fd4_blend_stateobj *so;
	enum a3xx_rop_code rop = ROP_COPY;
	bool reads_dest = false;
	unsigned i, mrt_blend = 0;

	if (cso->logicop_enable) {
		rop = cso->logicop_func;  /* maps 1:1 */

		switch (cso->logicop_func) {
		case PIPE_LOGICOP_NOR:
		case PIPE_LOGICOP_AND_INVERTED:
		case PIPE_LOGICOP_AND_REVERSE:
		case PIPE_LOGICOP_INVERT:
		case PIPE_LOGICOP_XOR:
		case PIPE_LOGICOP_NAND:
		case PIPE_LOGICOP_AND:
		case PIPE_LOGICOP_EQUIV:
		case PIPE_LOGICOP_NOOP:
		case PIPE_LOGICOP_OR_INVERTED:
		case PIPE_LOGICOP_OR_REVERSE:
		case PIPE_LOGICOP_OR:
			reads_dest = true;
			break;
		}
	}

	so = CALLOC_STRUCT(fd4_blend_stateobj);
	if (!so)
		return NULL;

	so->base = *cso;

	for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
		const struct pipe_rt_blend_state *rt;

		if (cso->independent_blend_enable)
			rt = &cso->rt[i];
		else
			rt = &cso->rt[0];

		so->rb_mrt[i].blend_control_rgb =
				A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor));

		so->rb_mrt[i].blend_control_alpha =
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(fd_blend_factor(rt->alpha_src_factor)) |
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(blend_func(rt->alpha_func)) |
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(fd_blend_factor(rt->alpha_dst_factor));

		so->rb_mrt[i].blend_control_no_alpha_rgb =
				A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_src_factor))) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_dst_factor)));


		so->rb_mrt[i].control =
				A4XX_RB_MRT_CONTROL_ROP_CODE(rop) |
				COND(cso->logicop_enable, A4XX_RB_MRT_CONTROL_ROP_ENABLE) |
				A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(rt->colormask);

		if (rt->blend_enable) {
			so->rb_mrt[i].control |=
					A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE |
					A4XX_RB_MRT_CONTROL_BLEND |
					A4XX_RB_MRT_CONTROL_BLEND2;
			mrt_blend |= (1 << i);
		}

		if (reads_dest) {
			so->rb_mrt[i].control |= A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE;
			mrt_blend |= (1 << i);
		}

		if (cso->dither)
			so->rb_mrt[i].buf_info |= A4XX_RB_MRT_BUF_INFO_DITHER_MODE(DITHER_ALWAYS);
	}

	so->rb_fs_output = A4XX_RB_FS_OUTPUT_ENABLE_BLEND(mrt_blend) |
		COND(cso->independent_blend_enable, A4XX_RB_FS_OUTPUT_INDEPENDENT_BLEND);

	return so;
}
Esempio n. 3
0
void *
fd4_blend_state_create(struct pipe_context *pctx,
		const struct pipe_blend_state *cso)
{
	struct fd4_blend_stateobj *so;
//	enum a3xx_rop_code rop = ROP_COPY;
	bool reads_dest = false;
	int i;

	if (cso->logicop_enable) {
//		rop = cso->logicop_func;  /* maps 1:1 */

		switch (cso->logicop_func) {
		case PIPE_LOGICOP_NOR:
		case PIPE_LOGICOP_AND_INVERTED:
		case PIPE_LOGICOP_AND_REVERSE:
		case PIPE_LOGICOP_INVERT:
		case PIPE_LOGICOP_XOR:
		case PIPE_LOGICOP_NAND:
		case PIPE_LOGICOP_AND:
		case PIPE_LOGICOP_EQUIV:
		case PIPE_LOGICOP_NOOP:
		case PIPE_LOGICOP_OR_INVERTED:
		case PIPE_LOGICOP_OR_REVERSE:
		case PIPE_LOGICOP_OR:
			reads_dest = true;
			break;
		}
	}

	if (cso->independent_blend_enable) {
		DBG("Unsupported! independent blend state");
		return NULL;
	}

	so = CALLOC_STRUCT(fd4_blend_stateobj);
	if (!so)
		return NULL;

	so->base = *cso;

	for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
		const struct pipe_rt_blend_state *rt = &cso->rt[i];

		so->rb_mrt[i].blend_control =
				A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor)) |
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(fd_blend_factor(rt->alpha_src_factor)) |
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(blend_func(rt->alpha_func)) |
				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(fd_blend_factor(rt->alpha_dst_factor));

		so->rb_mrt[i].control =
				0xc00 | /* XXX ROP_CODE ?? */
				A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(rt->colormask);

		if (rt->blend_enable) {
			so->rb_mrt[i].control |=
					A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE |
					A4XX_RB_MRT_CONTROL_BLEND |
					A4XX_RB_MRT_CONTROL_BLEND2;
			so->rb_fs_output |= A4XX_RB_FS_OUTPUT_ENABLE_BLEND(1);
		}

		if (reads_dest)
			so->rb_mrt[i].control |= A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE;

		if (cso->dither)
			so->rb_mrt[i].buf_info |= A4XX_RB_MRT_BUF_INFO_DITHER_MODE(DITHER_ALWAYS);
	}

	return so;
}