r300_cmdbuf.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

	    cmdpacket0(R300_VAP_PROG_STREAM_CNTL_0, 1);
	ALLOC_STATE(vir[1], variable, R300_VIR_CMDSIZE, 1);
	r300->hw.vir[1].cmd[R300_VIR_CMD_0] =
	    cmdpacket0(R300_VAP_PROG_STREAM_CNTL_EXT_0, 1);
	ALLOC_STATE(vic, always, R300_VIC_CMDSIZE, 0);
	r300->hw.vic.cmd[R300_VIC_CMD_0] = cmdpacket0(R300_VAP_VTX_STATE_CNTL, 2);
	ALLOC_STATE(vap_psc_sgn_norm_cntl, always, 2, 0);
	r300->hw.vap_psc_sgn_norm_cntl.cmd[0] = cmdpacket0(R300_VAP_PSC_SGN_NORM_CNTL, SGN_NORM_ZERO_CLAMP_MINUS_ONE);

	if (has_tcl) {
		ALLOC_STATE(vap_clip_cntl, always, 2, 0);
		r300->hw.vap_clip_cntl.cmd[0] = cmdpacket0(R300_VAP_CLIP_CNTL, 1);
		ALLOC_STATE(vap_clip, always, 5, 0);
		r300->hw.vap_clip.cmd[0] = cmdpacket0(R300_VAP_GB_VERT_CLIP_ADJ, 4);
		ALLOC_STATE(vap_pvs_vtx_timeout_reg, always, 2, 0);
		r300->hw.vap_pvs_vtx_timeout_reg.cmd[0] = cmdpacket0(VAP_PVS_VTX_TIMEOUT_REG, 1);
	}

	ALLOC_STATE(vof, always, R300_VOF_CMDSIZE, 0);
	r300->hw.vof.cmd[R300_VOF_CMD_0] =
	    cmdpacket0(R300_VAP_OUTPUT_VTX_FMT_0, 2);

	if (has_tcl) {
		ALLOC_STATE(pvs, always, R300_PVS_CMDSIZE, 0);
		r300->hw.pvs.cmd[R300_PVS_CMD_0] =
		    cmdpacket0(R300_VAP_PVS_CODE_CNTL_0, 3);
	}

	ALLOC_STATE(gb_enable, always, 2, 0);
	r300->hw.gb_enable.cmd[0] = cmdpacket0(R300_GB_ENABLE, 1);
	ALLOC_STATE(gb_misc, always, R300_GB_MISC_CMDSIZE, 0);
	r300->hw.gb_misc.cmd[0] = cmdpacket0(R300_GB_MSPOS0, 5);
	ALLOC_STATE(txe, always, R300_TXE_CMDSIZE, 0);
	r300->hw.txe.cmd[R300_TXE_CMD_0] = cmdpacket0(R300_TX_ENABLE, 1);
	ALLOC_STATE(ga_point_s0, always, 5, 0);
	r300->hw.ga_point_s0.cmd[0] = cmdpacket0(R300_GA_POINT_S0, 4);
	ALLOC_STATE(ga_triangle_stipple, always, 2, 0);
	r300->hw.ga_triangle_stipple.cmd[0] = cmdpacket0(R300_GA_TRIANGLE_STIPPLE, 1);
	ALLOC_STATE(ps, always, R300_PS_CMDSIZE, 0);
	r300->hw.ps.cmd[0] = cmdpacket0(R300_GA_POINT_SIZE, 1);
	ALLOC_STATE(ga_point_minmax, always, 4, 0);
	r300->hw.ga_point_minmax.cmd[0] = cmdpacket0(R300_GA_POINT_MINMAX, 3);
	ALLOC_STATE(lcntl, always, 2, 0);
	r300->hw.lcntl.cmd[0] = cmdpacket0(R300_GA_LINE_CNTL, 1);
	ALLOC_STATE(ga_line_stipple, always, 4, 0);
	r300->hw.ga_line_stipple.cmd[0] = cmdpacket0(R300_GA_LINE_STIPPLE_VALUE, 3);
	ALLOC_STATE(shade, always, 5, 0);
	r300->hw.shade.cmd[0] = cmdpacket0(R300_GA_ENHANCE, 4);
	ALLOC_STATE(polygon_mode, always, 4, 0);
	r300->hw.polygon_mode.cmd[0] = cmdpacket0(R300_GA_POLY_MODE, 3);
	ALLOC_STATE(fogp, always, 3, 0);
	r300->hw.fogp.cmd[0] = cmdpacket0(R300_GA_FOG_SCALE, 2);
	ALLOC_STATE(zbias_cntl, always, 2, 0);
	r300->hw.zbias_cntl.cmd[0] = cmdpacket0(R300_SU_TEX_WRAP, 1);
	ALLOC_STATE(zbs, always, R300_ZBS_CMDSIZE, 0);
	r300->hw.zbs.cmd[R300_ZBS_CMD_0] =
	    cmdpacket0(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
	ALLOC_STATE(occlusion_cntl, always, 2, 0);
	r300->hw.occlusion_cntl.cmd[0] = cmdpacket0(R300_SU_POLY_OFFSET_ENABLE, 1);
	ALLOC_STATE(cul, always, R300_CUL_CMDSIZE, 0);
	r300->hw.cul.cmd[R300_CUL_CMD_0] = cmdpacket0(R300_SU_CULL_MODE, 1);
	ALLOC_STATE(su_depth_scale, always, 3, 0);
	r300->hw.su_depth_scale.cmd[0] = cmdpacket0(R300_SU_DEPTH_SCALE, 2);
	ALLOC_STATE(rc, always, R300_RC_CMDSIZE, 0);
	r300->hw.rc.cmd[R300_RC_CMD_0] = cmdpacket0(R300_RS_COUNT, 2);
	if (is_r500) {
		ALLOC_STATE(ri, always, R500_RI_CMDSIZE, 0);
		r300->hw.ri.cmd[R300_RI_CMD_0] = cmdpacket0(R500_RS_IP_0, 16);
		for (i = 0; i < 8; i++) {
			r300->hw.ri.cmd[R300_RI_CMD_0 + i +1] =
			  (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_S_SHIFT) |
                          (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_T_SHIFT) |
                          (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_R_SHIFT) |
                          (R500_RS_IP_PTR_K1 << R500_RS_IP_TEX_PTR_Q_SHIFT);
		}
		ALLOC_STATE(rr, variable, R300_RR_CMDSIZE, 0);
		r300->hw.rr.cmd[R300_RR_CMD_0] = cmdpacket0(R500_RS_INST_0, 1);
	} else {
		ALLOC_STATE(ri, always, R300_RI_CMDSIZE, 0);
		r300->hw.ri.cmd[R300_RI_CMD_0] = cmdpacket0(R300_RS_IP_0, 8);
		ALLOC_STATE(rr, variable, R300_RR_CMDSIZE, 0);
		r300->hw.rr.cmd[R300_RR_CMD_0] = cmdpacket0(R300_RS_INST_0, 1);
	}
	ALLOC_STATE(sc_hyperz, always, 3, 0);
	r300->hw.sc_hyperz.cmd[0] = cmdpacket0(R300_SC_HYPERZ, 2);
	ALLOC_STATE(sc_screendoor, always, 2, 0);
	r300->hw.sc_screendoor.cmd[0] = cmdpacket0(R300_SC_SCREENDOOR, 1);
	ALLOC_STATE(us_out_fmt, always, 6, 0);
	r300->hw.us_out_fmt.cmd[0] = cmdpacket0(R300_US_OUT_FMT, 5);

	if (is_r500) {
		ALLOC_STATE(fp, always, R500_FP_CMDSIZE, 0);
		r300->hw.fp.cmd[R500_FP_CMD_0] = cmdpacket0(R500_US_CONFIG, 2);
		r300->hw.fp.cmd[R500_FP_CNTL] = R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO;
		r300->hw.fp.cmd[R500_FP_CMD_1] = cmdpacket0(R500_US_CODE_ADDR, 3);
		r300->hw.fp.cmd[R500_FP_CMD_2] = cmdpacket0(R500_US_FC_CTRL, 1);
		r300->hw.fp.cmd[R500_FP_FC_CNTL] = 0; /* FIXME when we add flow control */

		ALLOC_STATE(r500fp, r500fp, R500_FPI_CMDSIZE, 0);
		r300->hw.r500fp.cmd[R300_FPI_CMD_0] = cmdr500fp(0, 0, 0, 0);
		ALLOC_STATE(r500fp_const, r500fp_const, R500_FPP_CMDSIZE, 0);
		r300->hw.r500fp_const.cmd[R300_FPI_CMD_0] = cmdr500fp(0, 0, 1, 0);
	} else {
		ALLOC_STATE(fp, always, R300_FP_CMDSIZE, 0);
		r300->hw.fp.cmd[R300_FP_CMD_0] = cmdpacket0(R300_US_CONFIG, 3);
		r300->hw.fp.cmd[R300_FP_CMD_1] = cmdpacket0(R300_US_CODE_ADDR_0, 4);
		ALLOC_STATE(fpt, variable, R300_FPT_CMDSIZE, 0);
		r300->hw.fpt.cmd[R300_FPT_CMD_0] = cmdpacket0(R300_US_TEX_INST_0, 0);

		ALLOC_STATE(fpi[0], variable, R300_FPI_CMDSIZE, 0);
		r300->hw.fpi[0].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_INST_0, 1);
		ALLOC_STATE(fpi[1], variable, R300_FPI_CMDSIZE, 1);
		r300->hw.fpi[1].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_RGB_ADDR_0, 1);
		ALLOC_STATE(fpi[2], variable, R300_FPI_CMDSIZE, 2);
		r300->hw.fpi[2].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_INST_0, 1);
		ALLOC_STATE(fpi[3], variable, R300_FPI_CMDSIZE, 3);
		r300->hw.fpi[3].cmd[R300_FPI_CMD_0] = cmdpacket0(R300_US_ALU_ALPHA_ADDR_0, 1);
		ALLOC_STATE(fpp, variable, R300_FPP_CMDSIZE, 0);
		r300->hw.fpp.cmd[R300_FPP_CMD_0] = cmdpacket0(R300_PFS_PARAM_0_X, 0);
	}
	ALLOC_STATE(fogs, always, R300_FOGS_CMDSIZE, 0);
	r300->hw.fogs.cmd[R300_FOGS_CMD_0] = cmdpacket0(R300_FG_FOG_BLEND, 1);
	ALLOC_STATE(fogc, always, R300_FOGC_CMDSIZE, 0);
	r300->hw.fogc.cmd[R300_FOGC_CMD_0] = cmdpacket0(R300_FG_FOG_COLOR_R, 3);
	ALLOC_STATE(at, always, R300_AT_CMDSIZE, 0);
	r300->hw.at.cmd[R300_AT_CMD_0] = cmdpacket0(R300_FG_ALPHA_FUNC, 2);
	ALLOC_STATE(fg_depth_src, always, 2, 0);
	r300->hw.fg_depth_src.cmd[0] = cmdpacket0(R300_FG_DEPTH_SRC, 1);
	ALLOC_STATE(rb3d_cctl, always, 2, 0);
	r300->hw.rb3d_cctl.cmd[0] = cmdpacket0(R300_RB3D_CCTL, 1);
	ALLOC_STATE(bld, always, R300_BLD_CMDSIZE, 0);
	r300->hw.bld.cmd[R300_BLD_CMD_0] = cmdpacket0(R300_RB3D_CBLEND, 2);
	ALLOC_STATE(cmk, always, R300_CMK_CMDSIZE, 0);
	r300->hw.cmk.cmd[R300_CMK_CMD_0] = cmdpacket0(RB3D_COLOR_CHANNEL_MASK, 1);
	if (is_r500) {
		ALLOC_STATE(blend_color, always, 3, 0);
		r300->hw.blend_color.cmd[0] = cmdpacket0(R500_RB3D_CONSTANT_COLOR_AR, 2);
	} else {
		ALLOC_STATE(blend_color, always, 2, 0);
		r300->hw.blend_color.cmd[0] = cmdpacket0(R300_RB3D_BLEND_COLOR, 1);
	}
	ALLOC_STATE(rop, always, 2, 0);
	r300->hw.rop.cmd[0] = cmdpacket0(R300_RB3D_ROPCNTL, 1);
	ALLOC_STATE(cb, always, R300_CB_CMDSIZE, 0);
	r300->hw.cb.cmd[R300_CB_CMD_0] = cmdpacket0(R300_RB3D_COLOROFFSET0, 1);
	r300->hw.cb.cmd[R300_CB_CMD_1] = cmdpacket0(R300_RB3D_COLORPITCH0, 1);
	ALLOC_STATE(rb3d_dither_ctl, always, 10, 0);
	r300->hw.rb3d_dither_ctl.cmd[0] = cmdpacket0(R300_RB3D_DITHER_CTL, 9);
	ALLOC_STATE(rb3d_aaresolve_ctl, always, 2, 0);
	r300->hw.rb3d_aaresolve_ctl.cmd[0] = cmdpacket0(R300_RB3D_AARESOLVE_CTL, 1);
	ALLOC_STATE(rb3d_discard_src_pixel_lte_threshold, always, 3, 0);
	r300->hw.rb3d_discard_src_pixel_lte_threshold.cmd[0] = cmdpacket0(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 2);
	ALLOC_STATE(zs, always, R300_ZS_CMDSIZE, 0);
	r300->hw.zs.cmd[R300_ZS_CMD_0] =
	    cmdpacket0(R300_ZB_CNTL, 3);
	ALLOC_STATE(zstencil_format, always, 5, 0);
	r300->hw.zstencil_format.cmd[0] =
	    cmdpacket0(R300_ZB_FORMAT, 4);
	ALLOC_STATE(zb, always, R300_ZB_CMDSIZE, 0);
	r300->hw.zb.cmd[R300_ZB_CMD_0] = cmdpacket0(R300_ZB_DEPTHOFFSET, 2);
	ALLOC_STATE(zb_depthclearvalue, always, 2, 0);
	r300->hw.zb_depthclearvalue.cmd[0] = cmdpacket0(R300_ZB_DEPTHCLEARVALUE, 1);
	ALLOC_STATE(unk4F30, always, 3, 0);
	r300->hw.unk4F30.cmd[0] = cmdpacket0(0x4F30, 2);
	ALLOC_STATE(zb_hiz_offset, always, 2, 0);
	r300->hw.zb_hiz_offset.cmd[0] = cmdpacket0(R300_ZB_HIZ_OFFSET, 1);
	ALLOC_STATE(zb_hiz_pitch, always, 2, 0);
	r300->hw.zb_hiz_pitch.cmd[0] = cmdpacket0(R300_ZB_HIZ_PITCH, 1);

	/* VPU only on TCL */
	if (has_tcl) {
   	        int i;
		ALLOC_STATE(vpi, vpu, R300_VPI_CMDSIZE, 0);
		r300->hw.vpi.cmd[R300_VPI_CMD_0] =
		    cmdvpu(R300_PVS_CODE_START, 0);

		if (is_r500) {
		    ALLOC_STATE(vpp, vpu, R300_VPP_CMDSIZE, 0);
		    r300->hw.vpp.cmd[R300_VPP_CMD_0] =
			cmdvpu(R500_PVS_CONST_START, 0);

		    ALLOC_STATE(vps, vpu, R300_VPS_CMDSIZE, 0);
		    r300->hw.vps.cmd[R300_VPS_CMD_0] =
			cmdvpu(R500_POINT_VPORT_SCALE_OFFSET, 1);

			for (i = 0; i < 6; i++) {
				ALLOC_STATE(vpucp[i], vpu, R300_VPUCP_CMDSIZE, 0);
				r300->hw.vpucp[i].cmd[R300_VPUCP_CMD_0] =
					cmdvpu(R500_PVS_UCP_START + i, 1);
			}
		} else {
		    ALLOC_STATE(vpp, vpu, R300_VPP_CMDSIZE, 0);
		    r300->hw.vpp.cmd[R300_VPP_CMD_0] =
			cmdvpu(R300_PVS_CONST_START, 0);

		    ALLOC_STATE(vps, vpu, R300_VPS_CMDSIZE, 0);
		    r300->hw.vps.cmd[R300_VPS_CMD_0] =
			cmdvpu(R300_POINT_VPORT_SCALE_OFFSET, 1);

			for (i = 0; i < 6; i++) {
				ALLOC_STATE(vpucp[i], vpu, R300_VPUCP_CMDSIZE, 0);
				r300->hw.vpucp[i].cmd[R300_VPUCP_CMD_0] =
					cmdvpu(R300_PVS_UCP_START + i, 1);
			}
		}
	}

	/* Textures */
	ALLOC_STATE(tex.filter, variable, mtu + 1, 0);
	r300->hw.tex.filter.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_FILTER0_0, 0);

	ALLOC_STATE(tex.filter_1, variable, mtu + 1, 0);
	r300->hw.tex.filter_1.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_FILTER1_0, 0);

	ALLOC_STATE(tex.size, variable, mtu + 1, 0);
	r300->hw.tex.size.cmd[R300_TEX_CMD_0] = cmdpacket0(R300_TX_SIZE_0, 0);

	ALLOC_STATE(tex.format, variable, mtu + 1, 0);
	r300->hw.tex.format.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_FORMAT_0, 0);

	ALLOC_STATE(tex.pitch, variable, mtu + 1, 0);
	r300->hw.tex.pitch.cmd[R300_TEX_CMD_0] = cmdpacket0(R300_TX_FORMAT2_0, 0);

	ALLOC_STATE(tex.offset, variable, mtu + 1, 0);
	r300->hw.tex.offset.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_OFFSET_0, 0);

	ALLOC_STATE(tex.chroma_key, variable, mtu + 1, 0);
	r300->hw.tex.chroma_key.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_CHROMA_KEY_0, 0);

	ALLOC_STATE(tex.border_color, variable, mtu + 1, 0);
	r300->hw.tex.border_color.cmd[R300_TEX_CMD_0] =
	    cmdpacket0(R300_TX_BORDER_COLOR_0, 0);

	r300->hw.is_dirty = GL_TRUE;
	r300->hw.all_dirty = GL_TRUE;

	/* Initialize command buffer */
	size =
	    256 * driQueryOptioni(&r300->radeon.optionCache,
				  "command_buffer_size");
	if (size < 2 * r300->hw.max_state_size) {
		size = 2 * r300->hw.max_state_size + 65535;
	}
	if (size > 64 * 256)
		size = 64 * 256;

	if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA)) {
		fprintf(stderr, "sizeof(drm_r300_cmd_header_t)=%zd\n",
			sizeof(drm_r300_cmd_header_t));
		fprintf(stderr, "sizeof(drm_radeon_cmd_buffer_t)=%zd\n",
			sizeof(drm_radeon_cmd_buffer_t));
		fprintf(stderr,
			"Allocating %d bytes command buffer (max state is %d bytes)\n",
			size * 4, r300->hw.max_state_size * 4);
	}

	r300->cmdbuf.size = size;
	r300->cmdbuf.cmd_buf = (uint32_t *) CALLOC(size * 4);
	r300->cmdbuf.count_used = 0;
	r300->cmdbuf.count_reemit = 0;
}

/**
 * Destroy the command buffer and state atoms.
 */
void r300DestroyCmdBuf(r300ContextPtr r300)
{
	struct r300_state_atom *atom;

	FREE(r300->cmdbuf.cmd_buf);

	foreach(atom, &r300->hw.atomlist) {
		FREE(atom->cmd);
	}
}

void r300EmitBlit(r300ContextPtr rmesa,
		  GLuint color_fmt,
		  GLuint src_pitch,
		  GLuint src_offset,
		  GLuint dst_pitch,
		  GLuint dst_offset,
		  GLint srcx, GLint srcy,
		  GLint dstx, GLint dsty, GLuint w, GLuint h)
{
	drm_r300_cmd_header_t *cmd;

	if (RADEON_DEBUG & DEBUG_IOCTL)
		fprintf(stderr,
			"%s src %x/%x %d,%d dst: %x/%x %d,%d sz: %dx%d\n",
			__FUNCTION__, src_pitch, src_offset, srcx, srcy,
			dst_pitch, dst_offset, dstx, dsty, w, h);

	assert((src_pitch & 63) == 0);
	assert((dst_pitch & 63) == 0);
	assert((src_offset & 1023) == 0);
	assert((dst_offset & 1023) == 0);
	assert(w < (1 << 16));
	assert(h < (1 << 16));

	cmd = (drm_r300_cmd_header_t *) r300AllocCmdBuf(rmesa, 8, __FUNCTION__);

	cmd[0].header.cmd_type = R300_CMD_PACKET3;
	cmd[0].header.pad0 = R300_CMD_PACKET3_RAW;
	cmd[1].u = R300_CP_CMD_BITBLT_MULTI | (5 << 16);
	cmd[2].u = (RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
		    RADEON_GMC_DST_PITCH_OFFSET_CNTL |
		    RADEON_GMC_BRUSH_NONE |
		    (color_fmt << 8) |
		    RADEON_GMC_SRC_DATATYPE_COLOR |
		    RADEON_ROP3_S |
		    RADEON_DP_SRC_SOURCE_MEMORY |
		    RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);

	cmd[3].u = ((src_pitch / 64) << 22) | (src_offset >> 10);
	cmd[4].u = ((dst_pitch / 64) << 22) | (dst_offset >> 10);
	cmd[5].u = (srcx << 16) | srcy;
	cmd[6].u = (dstx << 16) | dsty;	/* dst */
	cmd[7].u = (w << 16) | h;
}

void r300EmitWait(r300ContextPtr rmesa, GLuint flags)
{
	drm_r300_cmd_header_t *cmd;

	assert(!(flags & ~(R300_WAIT_2D | R300_WAIT_3D)));

	cmd = (drm_r300_cmd_header_t *) r300AllocCmdBuf(rmesa, 1, __FUNCTION__);
	cmd[0].u = 0;
	cmd[0].wait.cmd_type = R300_CMD_WAIT;
	cmd[0].wait.flags = flags;
}