i965_drv_video/shaders/render/exa_wm_write.g4a

/*
 * Copyright © 2006 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Wang Zhenyu <zhenyu.z.wang@intel.com>
 *    Keith Packard <keithp@keithp.com>
 */

include(`exa_wm.g4i')

/*
 * Prepare data in m2-m5 for subspan(1,0), m6-m9 for subspan(3,2),
 *
 * Note that the SIMD16 write message takes data for the first
 * two sub-spans followed by the data for the second two sub-spans
 * instead of having the two sub-spans interleaved by channel. Weird.
 */

mov (8) data_port_r_01<1>F	g14<8,8,1>F { align1 };
mov (8) data_port_g_01<1>F	g16<8,8,1>F { align1 };
mov (8) data_port_b_01<1>F	g18<8,8,1>F { align1 };
mov (8) data_port_a_01<1>F	src_sample_a_01<8,8,1>F { align1 };

mov (8) data_port_r_23<1>F	src_sample_r_23<8,8,1>F { sechalf align1 };
mov (8) data_port_g_23<1>F	src_sample_g_23<8,8,1>F { sechalf align1 };
mov (8) data_port_b_23<1>F	src_sample_b_23<8,8,1>F { sechalf align1 };
mov (8) data_port_a_23<1>F 	src_sample_a_23<8,8,1>F { sechalf align1 };


mov (8) data_port_r_01<1>F	src_sample_r_01<8,8,1>F { align1 };
mov (8) data_port_g_01<1>F	src_sample_g_01<8,8,1>F { align1 };
mov (8) data_port_b_01<1>F	src_sample_b_01<8,8,1>F { align1 };
mov (8) data_port_a_01<1>F	src_sample_a_01<8,8,1>F { align1 };

mov (8) data_port_r_23<1>F	src_sample_r_23<8,8,1>F { sechalf align1 };
mov (8) data_port_g_23<1>F	src_sample_g_23<8,8,1>F { sechalf align1 };
mov (8) data_port_b_23<1>F	src_sample_b_23<8,8,1>F { sechalf align1 };
mov (8) data_port_a_23<1>F 	src_sample_a_23<8,8,1>F { sechalf align1 };

/* m0, m1 are all direct passed by PS thread payload */
mov (8) data_port_msg_1<1>UD	g1<8,8,1>UD		{ mask_disable align1 };

/* write */
send (16) 
	data_port_msg_0_ind 
	acc0<1>UW 
	g0<8,8,1>UW 
	write (
	       0,  /* binding_table */
	       8,  /* pixel scordboard clear, msg type simd16 single source */
	       4,  /* render target write */
	       0   /* no write commit message */
	) 
	mlen 10
	rlen 0
	{ align1 EOT };

nop;
nop;
nop;
nop;
nop;
nop;
nop;
nop;