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Issue 7003082:
Implements RGB to YV12 conversion in YASM. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/| OLD | NEW |
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| 1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
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Alpha Left Google
2011/08/22 14:16:59
Rename this to yuv_row_common_sse2.inc, there migh
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| 2 ; Use of this source code is governed by a BSD-style license that can be | |
| 3 ; found in the LICENSE file. | |
| 4 | |
| 5 %ifndef MEDIA_BASE_SIMD_COMMON_INC_ | |
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Alpha Left Google
2011/08/22 14:16:59
This should be MEDIA_BASE_YUV_ROW_COMMON_SSE2_INC_
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| 6 %define MEDIA_BASE_SIMD_COMMON_INC_ | |
| 7 | |
| 8 %define EXTN(name) name ; foo() -> foo | |
| 9 | |
| 10 %ifdef MACHO | |
| 11 %define PRIVATE :private_extern | |
| 12 %elifdef ELF | |
| 13 %define PRIVATE :hidden | |
| 14 %else | |
| 15 %define PRIVATE | |
| 16 %endif | |
| 17 | |
| 18 %ifdef MACHO | |
| 19 %define SEG_TEXT .text align=16 | |
| 20 %define SEG_CONST .rodata align=16 | |
| 21 %elifdef ELF | |
| 22 %ifdef __x86_64__ | |
| 23 %define SEG_TEXT .text progbits align=16 | |
| 24 %define SEG_CONST .rodata progbits align=16 | |
| 25 %else | |
| 26 %define SEG_TEXT .text progbits alloc exec nowrite align=16 | |
| 27 %define SEG_CONST .rodata progbits alloc noexec nowrite align=16 | |
| 28 %endif | |
| 29 %elifdef MSVC | |
| 30 %define SEG_TEXT .text align=16 | |
| 31 %define SEG_CONST .rdata align=16 | |
| 32 %endif | |
| 33 | |
| 34 %define SIZEOF_BYTE 1 ; sizeof(BYTE) | |
| 35 %define SIZEOF_WORD 2 ; sizeof(WORD) | |
| 36 %define SIZEOF_DWORD 4 ; sizeof(DWORD) | |
| 37 %define SIZEOF_QWORD 8 ; sizeof(QWORD) | |
| 38 %define SIZEOF_DQWORD 16 ; sizeof(DQWORD) | |
| 39 | |
| 40 %ifdef __x86_64__ | |
| 41 %define POINTER qword ; general pointer type | |
| 42 %define SIZEOF_POINTER SIZEOF_QWORD ; sizeof(POINTER) | |
| 43 %define POINTER_BIT QWORD_BIT ; sizeof(POINTER) * BYTE_BIT | |
| 44 %else | |
| 45 %define POINTER dword ; general pointer type | |
| 46 %define SIZEOF_POINTER SIZEOF_DWORD ; sizeof(POINTER) | |
| 47 %define POINTER_BIT DWORD_BIT ; sizeof(POINTER) * BYTE_BIT | |
| 48 %endif | |
| 49 | |
| 50 %define INT dword ; signed integer type | |
| 51 %define SIZEOF_INT SIZEOF_DWORD ; sizeof(INT) | |
| 52 %define INT_BIT DWORD_BIT ; sizeof(INT) * BYTE_BIT | |
| 53 | |
| 54 %define MMWORD qword ; int64 (MMX register) | |
| 55 %define SIZEOF_MMWORD SIZEOF_QWORD ; sizeof(MMWORD) | |
| 56 %define MMWORD_BIT QWORD_BIT ; sizeof(MMWORD) * BYTE_BIT | |
| 57 %define XMMWORD ; int128 (SSE register) | |
| 58 %define SIZEOF_XMMWORD SIZEOF_DQWORD ; sizeof(XMMWORD) | |
| 59 %define XMMWORD_BIT DQWORD_BIT ; sizeof(XMMWORD) * BYTE_BIT | |
| 60 | |
| 61 ; Aliases for x86 registers. | |
| 62 %ifdef __x86_64__ | |
| 63 %define _EAX_ rax | |
| 64 %define _EBX_ rbx | |
| 65 %define _ECX_ rcx | |
| 66 %define _EDX_ rdx | |
| 67 %define _ESI_ rsi | |
| 68 %define _EDI_ rdi | |
| 69 %define _ESP_ rsp | |
| 70 %define _EBP_ rbp | |
| 71 %else | |
| 72 %define _EAX_ eax | |
| 73 %define _EBX_ ebx | |
| 74 %define _ECX_ ecx | |
| 75 %define _EDX_ edx | |
| 76 %define _ESI_ esi | |
| 77 %define _EDI_ edi | |
| 78 %define _ESP_ esp | |
| 79 %define _EBP_ ebp | |
| 80 %endif | |
| 81 | |
| 82 ; LOADSYM register, symbol | |
| 83 ; Copies the address to a local symbol to the specified register. | |
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Alpha Left Google
2011/08/22 14:16:59
Do a one liner to explain why we need to do this:
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| 84 %ifdef MACHO | |
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Alpha Left Google
2011/08/22 14:16:59
Both Linux and Mac uses PIC.
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| 85 ; We create a PIC binary on Mac. | |
| 86 %imacro LOADSYM 2 | |
| 87 call %%geteip | |
| 88 add %1, %2 - $ | |
| 89 jmp %%end | |
| 90 %%geteip: | |
| 91 mov %1, POINTER [_ESP_] | |
| 92 ret | |
| 93 %%end: | |
| 94 %endmacro | |
| 95 %else | |
| 96 %imacro LOADSYM 2 | |
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Alpha Left Google
2011/08/22 14:16:59
Do a one liner explanation here.
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| 97 lea %1, [%2] | |
| 98 %endmacro | |
| 99 %endif ; MACHO | |
| 100 | |
| 101 %endif ; MEDIA_BASE_SIMD_COMMON_INC_ | |
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Alpha Left Google
2011/08/22 14:16:59
This one needs to change too.
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