1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <assert.h> 30 #include <stdlib.h> 31 #include <stdio.h> 32 #include <string.h> 33 #include <inttypes.h> 34 35 36 #define ARGB_8888_MAX 0xFFFFFFFF 37 #define ARGB_8888_MIN 0x00000000 38 #define RGB_565_MAX 0xFFFF 39 #define RGB_565_MIN 0x0000 40 41 struct test_t 42 { 43 char name[256]; 44 uint32_t src_color; 45 uint16_t dst_color; 46 size_t count; 47 }; 48 49 struct test_t tests[] = 50 { 51 {"Count 1, Src=Max, Dst=Min", ARGB_8888_MAX, RGB_565_MIN, 1}, 52 {"Count 2, Src=Min, Dst=Max", ARGB_8888_MIN, RGB_565_MAX, 2}, 53 {"Count 3, Src=Max, Dst=Max", ARGB_8888_MAX, RGB_565_MAX, 3}, 54 {"Count 4, Src=Min, Dst=Min", ARGB_8888_MAX, RGB_565_MAX, 4}, 55 {"Count 1, Src=Rand, Dst=Rand", 0x12345678, 0x9ABC, 1}, 56 {"Count 2, Src=Rand, Dst=Rand", 0xABCDEF12, 0x2345, 2}, 57 {"Count 3, Src=Rand, Dst=Rand", 0x11111111, 0xEDFE, 3}, 58 {"Count 4, Src=Rand, Dst=Rand", 0x12345678, 0x9ABC, 4}, 59 {"Count 5, Src=Rand, Dst=Rand", 0xEFEFFEFE, 0xFACC, 5}, 60 {"Count 10, Src=Rand, Dst=Rand", 0x12345678, 0x9ABC, 10} 61 }; 62 63 void scanline_col32cb16blend_mips64(uint16_t *dst, uint32_t src, size_t count); 64 void scanline_col32cb16blend_c(uint16_t * dst, uint32_t src, size_t count) 65 { 66 uint32_t srcAlpha = (src>>24); 67 uint32_t f = 0x100 - (srcAlpha + (srcAlpha>>7)); 68 69 while (count--) 70 { 71 uint16_t d = *dst; 72 int dstR = (d>>11)&0x1f; 73 int dstG = (d>>5)&0x3f; 74 int dstB = (d)&0x1f; 75 int srcR = (src >> ( 3))&0x1F; 76 int srcG = (src >> ( 8+2))&0x3F; 77 int srcB = (src >> (16+3))&0x1F; 78 srcR += (f*dstR)>>8; 79 srcG += (f*dstG)>>8; 80 srcB += (f*dstB)>>8; 81 *dst++ = (uint16_t)((srcR<<11)|(srcG<<5)|srcB); 82 } 83 } 84 85 void scanline_col32cb16blend_test() 86 { 87 uint16_t dst_c[16], dst_asm[16]; 88 uint32_t i, j; 89 90 for(i = 0; i < sizeof(tests)/sizeof(struct test_t); ++i) 91 { 92 struct test_t test = tests[i]; 93 94 printf("Testing - %s:",test.name); 95 96 memset(dst_c, 0, sizeof(dst_c)); 97 memset(dst_asm, 0, sizeof(dst_asm)); 98 99 for(j = 0; j < test.count; ++j) 100 { 101 dst_c[j] = test.dst_color; 102 dst_asm[j] = test.dst_color; 103 } 104 105 106 scanline_col32cb16blend_c(dst_c, test.src_color, test.count); 107 scanline_col32cb16blend_mips64(dst_asm, test.src_color, test.count); 108 109 if(memcmp(dst_c, dst_asm, sizeof(dst_c)) == 0) 110 printf("Passed\n"); 111 else 112 printf("Failed\n"); 113 114 for(j = 0; j < test.count; ++j) 115 { 116 printf("dst_c[%d] = %x, dst_asm[%d] = %x \n", j, dst_c[j], j, dst_asm[j]); 117 } 118 } 119 } 120 121 int main() 122 { 123 scanline_col32cb16blend_test(); 124 return 0; 125 } 126
