1606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes/* 2606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** Copyright 2015, The Android Open Source Project 3606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** 4606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** Licensed under the Apache License, Version 2.0 (the "License"); 5606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** you may not use this file except in compliance with the License. 6606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** You may obtain a copy of the License at 7606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** 8606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** http://www.apache.org/licenses/LICENSE-2.0 9606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** 10606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** Unless required by applicable law or agreed to in writing, software 11606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** distributed under the License is distributed on an "AS IS" BASIS, 12606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** See the License for the specific language governing permissions and 14606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes** limitations under the License. 15606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes*/ 16606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 17606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .macro pixel dreg src f sR sG sB shift 18606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 19606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* extract red */ 20606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.if \shift < 32 21606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dext $t0,\src,\shift+11,5 22606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.else 23606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dextu $t0,\src,\shift+11,5 24606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.endif 25606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes mul $t0,$t0,\f 26606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 27606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* extract green */ 28606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.if \shift < 32 29606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dext $t1,\src,\shift+5,6 30606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.else 31606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dextu $t1,\src,\shift+5,6 32606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.endif 33606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes mul $t1,$t1,\f 34606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 35606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* extract blue */ 36606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.if \shift < 32 37606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dext $t2,\src,\shift,5 38606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.else 39606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dextu $t2,\src,\shift,5 40606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes.endif 41606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes mul $t2,$t2,\f 42606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 43606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes srl $t0,$t0,8 44606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes srl $t1,$t1,8 45606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes srl $t2,$t2,8 46606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addu $t0,$t0,\sR 47606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addu $t1,$t1,\sG 48606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addu \dreg,$t2,\sB 49606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes sll $t0,$t0,11 50606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes sll $t1,$t1,5 51606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes or \dreg,\dreg,$t0 52606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes or \dreg,\dreg,$t1 53606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .endm 54606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 55606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .text 561109f115bd016e82a4d8304b17fdaa4d3e577ba4Nikola Veljkovic .balign 4 57606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 58606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .global scanline_col32cb16blend_mips64 59606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .ent scanline_col32cb16blend_mips64 60606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughesscanline_col32cb16blend_mips64: 61606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 62606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* check if count is zero */ 63606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes srl $v0,$a1,24 /* sA */ 64606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes beqz $a2,done 65606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes li $t0, 0x100 66606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes srl $v1,$v0,7 67606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addu $v0,$v1,$v0 68606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes subu $v0,$t0,$v0 /* f */ 69606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes ext $a3,$a1,3,5 /* sR */ 70606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes ext $a4,$a1,10,6 /* sG */ 71606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes ext $a5,$a1,19,5 /* sB */ 72606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 73606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* check if cnt is at least 4 */ 74606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addiu $a2,$a2,-4 75606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes bltz $a2,tail 76606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 77606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughesloop_4pixels: 78606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes ld $t3,0($a0) 79606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes daddiu $a0,$a0,8 80606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addiu $a2,$a2,-4 81606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes pixel $a6 $t3 $v0 $a3 $a4 $a5 0 82606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes pixel $a7 $t3 $v0 $a3 $a4 $a5 16 83606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes pixel $t8 $t3 $v0 $a3 $a4 $a5 32 84606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes pixel $t9 $t3 $v0 $a3 $a4 $a5 48 85606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dins $a6,$a7,16,16 86606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dinsu $a6,$t8,32,16 87606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes dinsu $a6,$t9,48,16 88606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes sd $a6,-8($a0) 89606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes bgez $a2, loop_4pixels 90606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 91606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughestail: 92606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* the pixel count underran, restore it now */ 93606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addiu $a2,$a2,4 94606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 95606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes /* handle the last 0..3 pixels */ 96606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes beqz $a2,done 97606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 98606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughesloop_1pixel: 99606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes lhu $t3,0($a0) 100606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes daddiu $a0,$a0,2 101606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes addiu $a2,$a2,-1 102606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes pixel $a6 $t3 $v0 $a3 $a4 $a5 0 103606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes sh $a6, -2($a0) 104606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes bnez $a2,loop_1pixel 105606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes 106606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughesdone: 107606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes j $ra 108606d4aecfb6a1e911dac207caeba617d1379c1f7Elliott Hughes .end scanline_col32cb16blend_mips64 109