158 lines
3.2 KiB
NASM
158 lines
3.2 KiB
NASM
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;*****************************************************************************
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;* frame-a.asm: x86 SSE2 frame operations
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;*****************************************************************************
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;* Copyright (C) 2013 Arne Bochem <avs2bdnxml at ps-auxw de>
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;*
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;* This program is free software: you can redistribute it and/or modify
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;* it under the terms of the GNU General Public License as published by
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;* the Free Software Foundation, either version 3 of the License, or
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;* (at your option) any later version.
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;*
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;* This program is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;* GNU General Public License for more details.
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;*
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;* You should have received a copy of the GNU General Public License
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;* along with this program. If not, see <http://www.gnu.org/licenses/>.
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;*****************************************************************************
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%include "x86inc.asm"
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SECTION_RODATA
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zero: db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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a_mask: db 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff
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full: db 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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ag_mask: db 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff
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rb_mask: db 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00
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SECTION .text
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struc stream_info
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.width resd 1
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.height resd 1
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.fpsden resd 1
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.fpsnum resd 1
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endstruc
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INIT_XMM
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cglobal is_identical_sse2, 3,5,6
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mov r3, [r0+stream_info.width]
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imul r3, [r0+stream_info.height]
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lea r3, [r1+r3*4]
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mov r4, 0
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mova m0, [zero]
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mova m1, [a_mask]
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mova m2, [full]
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.loop:
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test r4, r4
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jnz .diff
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cmp r1, r3
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je .ident
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mova m3, [r1]
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mova m4, m3
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pand m4, m1
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mova m5, [r2]
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pcmpeqd m4, m0
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pxor m4, m2
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pand m3, m4
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mova [r1], m3
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psadbw m3, m5
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movd r4, m3
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add r1, 16
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add r2, 16
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jmp .loop
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.diff:
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mov eax, 0
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jmp .end
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.ident:
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mov eax, 1
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.end:
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RET
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INIT_XMM
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cglobal is_empty_sse2, 2,4,3
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mov r2, [r0+stream_info.width]
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imul r2, [r0+stream_info.height]
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lea r2, [r1+r2*4]
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mov r3, 0
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mova m0, [zero]
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mova m1, [a_mask]
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.loop:
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test r3, r3
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jnz .not
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cmp r1, r2
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je .empty
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mova m2, [r1]
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pand m2, m1
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psadbw m2, m0
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movd r3, m2
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add r1, 16
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jmp .loop
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.not:
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mov eax, 0
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jmp .end
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.empty:
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mov eax, 1
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.end:
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RET
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INIT_XMM
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cglobal zero_transparent_sse2, 2,3,5
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mov r2, [r0+stream_info.width]
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imul r2, [r0+stream_info.height]
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lea r2, [r1+r2*4]
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mova m0, [zero]
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mova m1, [a_mask]
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mova m2, [full]
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.loop:
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cmp r1, r2
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je .end
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mova m3, [r1]
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mova m4, m3
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pand m4, m1
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pcmpeqd m4, m0
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pxor m4, m2
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pand m3, m4
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mova [r1], m3
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add r1, 16
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jmp .loop
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.end:
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RET
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INIT_XMM
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cglobal swap_rb_sse2, 3,4,5
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mov r3, [r0+stream_info.width]
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imul r3, [r0+stream_info.height]
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lea r3, [r1+r3*4]
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mova m0, [ag_mask]
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mova m1, [rb_mask]
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.loop:
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cmp r1, r3
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je .end
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mova m2, [r1]
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mova m3, m2
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mova m4, m2
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psrld m3, 16
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pslld m2, 16
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por m2, m3
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pand m4, m0
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pand m2, m1
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por m2, m4
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mova [r2], m2
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add r1, 16
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add r2, 16
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jmp .loop
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.end:
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RET
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