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/*
* Copyright (c) 2012
* MIPS Technologies, Inc., California.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Nemanja Lukic (nlukic@mips.com)
*/
#include "pixman-mips-dspr2-asm.h"
LEAF_MIPS_DSPR2(pixman_composite_src_8888_0565_asm_mips)
/*
* a0 - dst (r5g6b5)
* a1 - src (a8r8g8b8)
* a2 - w
*/
beqz a2, 3f
nop
addiu t1, a2, -1
beqz t1, 2f
nop
li t4, 0xf800f800
li t5, 0x07e007e0
li t6, 0x001f001f
1:
lw t0, 0(a1)
lw t1, 4(a1)
addiu a1, a1, 8
addiu a2, a2, -2
CONVERT_2x8888_TO_2x0565 t0, t1, t2, t3, t4, t5, t6, t7, t8
sh t2, 0(a0)
sh t3, 2(a0)
addiu t2, a2, -1
bgtz t2, 1b
addiu a0, a0, 4
2:
beqz a2, 3f
nop
lw t0, 0(a1)
CONVERT_1x8888_TO_1x0565 t0, t1, t2, t3
sh t1, 0(a0)
3:
j ra
nop
END(pixman_composite_src_8888_0565_asm_mips)
LEAF_MIPS_DSPR2(pixman_composite_src_0565_8888_asm_mips)
/*
* a0 - dst (a8r8g8b8)
* a1 - src (r5g6b5)
* a2 - w
*/
beqz a2, 3f
nop
addiu t1, a2, -1
beqz t1, 2f
nop
li t4, 0x07e007e0
li t5, 0x001F001F
1:
lhu t0, 0(a1)
lhu t1, 2(a1)
addiu a1, a1, 4
addiu a2, a2, -2
CONVERT_2x0565_TO_2x8888 t0, t1, t2, t3, t4, t5, t6, t7, t8, t9
sw t2, 0(a0)
sw t3, 4(a0)
addiu t2, a2, -1
bgtz t2, 1b
addiu a0, a0, 8
2:
beqz a2, 3f
nop
lhu t0, 0(a1)
CONVERT_1x0565_TO_1x8888 t0, t1, t2, t3
sw t1, 0(a0)
3:
j ra
nop
END(pixman_composite_src_0565_8888_asm_mips)
LEAF_MIPS_DSPR2(pixman_composite_src_x888_8888_asm_mips)
/*
* a0 - dst (a8r8g8b8)
* a1 - src (x8r8g8b8)
* a2 - w
*/
beqz a2, 4f
nop
li t9, 0xff000000
srl t8, a2, 3 /* t1 = how many multiples of 8 src pixels */
beqz t8, 3f /* branch if less than 8 src pixels */
nop
1:
addiu t8, t8, -1
beqz t8, 2f
addiu a2, a2, -8
pref 0, 32(a1)
lw t0, 0(a1)
lw t1, 4(a1)
lw t2, 8(a1)
lw t3, 12(a1)
lw t4, 16(a1)
lw t5, 20(a1)
lw t6, 24(a1)
lw t7, 28(a1)
addiu a1, a1, 32
or t0, t0, t9
or t1, t1, t9
or t2, t2, t9
or t3, t3, t9
or t4, t4, t9
or t5, t5, t9
or t6, t6, t9
or t7, t7, t9
pref 30, 32(a0)
sw t0, 0(a0)
sw t1, 4(a0)
sw t2, 8(a0)
sw t3, 12(a0)
sw t4, 16(a0)
sw t5, 20(a0)
sw t6, 24(a0)
sw t7, 28(a0)
b 1b
addiu a0, a0, 32
2:
lw t0, 0(a1)
lw t1, 4(a1)
lw t2, 8(a1)
lw t3, 12(a1)
lw t4, 16(a1)
lw t5, 20(a1)
lw t6, 24(a1)
lw t7, 28(a1)
addiu a1, a1, 32
or t0, t0, t9
or t1, t1, t9
or t2, t2, t9
or t3, t3, t9
or t4, t4, t9
or t5, t5, t9
or t6, t6, t9
or t7, t7, t9
sw t0, 0(a0)
sw t1, 4(a0)
sw t2, 8(a0)
sw t3, 12(a0)
sw t4, 16(a0)
sw t5, 20(a0)
sw t6, 24(a0)
sw t7, 28(a0)
beqz a2, 4f
addiu a0, a0, 32
3:
lw t0, 0(a1)
addiu a1, a1, 4
addiu a2, a2, -1
or t1, t0, t9
sw t1, 0(a0)
bnez a2, 3b
addiu a0, a0, 4
4:
jr ra
nop
END(pixman_composite_src_x888_8888_asm_mips)
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