diff options
Diffstat (limited to 'libass/x86/blend_bitmaps.asm')
| -rw-r--r-- | libass/x86/blend_bitmaps.asm | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libass/x86/blend_bitmaps.asm b/libass/x86/blend_bitmaps.asm index 118feea..b6316f0 100644 --- a/libass/x86/blend_bitmaps.asm +++ b/libass/x86/blend_bitmaps.asm @@ -23,6 +23,8 @@ SECTION_RODATA 32 words_255: dw 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF +last_255: dw 0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0xFF +magic_0x4000: dd -2139062143,-2139062143,-2139062143,-2139062143,-2139062143,-2139062143,-2139062143,-2139062143 SECTION .text @@ -302,4 +304,105 @@ cglobal mul_bitmaps, 8,12 jl .height_loop RET +;------------------------------------------------------------------------------ +; void rgba_blend(uint8_t *dst, intptr_t dst_stride, +; uint8_t *src, intptr_t src_stride, +; intptr_t src_w, intptr_t src_h, +; uint32_t color); +;------------------------------------------------------------------------------ + +;INIT_XMM sse2 +;INIT_YMM avx2 +%macro RGBA_BLEND 0 +cglobal rgba_blend, 7,12 + cmp r6b, 0xFF + je .end + test r4, r4 + je .end + test r5, r5 + je .end + pxor m0, m0 + movd xm1, r6d ; m1 = rgba + punpcklbw m1, m0 + pshuflw m1, m1, 0x39 + %if mmsize == 16 + punpcklqdq m1, m1 + %else + vpbroadcastq m1, xm1 + %endif + por m1, [last_255 wrt rip] + movd xm2, r6d ; m2 = alpha + %if mmsize == 16 + punpcklbw m2, m2 + punpcklbw m2, m2 + pshufd m2, m2, 0 + %else + vpbroadcastb m2, xm2 + %endif + imul r5, r3 + add r5, r2 ; end = src + (src_stride * src_h) +.height_loop: + xor r6, r6 ; i = 0 +.width_loop: + %if mmsize == 16 + movzx r7d, word [r2 + r6] + %else + mov r7d, [r2 + r6] + %endif + movd xm3, r7d ; m3 = v + punpcklbw m3, m0 + punpcklwd m3, m0 + %if mmsize == 32 + vpermq m3, m3, 0x98 + %endif + punpckldq m3, m0 + psllq m3, 14 + pmuludq m3, [magic_0x4000 wrt rip] + psrlq m3, 39 + pshuflw m3, m3, 0 + pshufhw m3, m3, 0 + %if mmsize == 16 + movdqu m4, m3 + pmulhuw m4, m2 + %else + vpmulhuw m4, m3, m2 + %endif + psubw m3, m4 + %if mmsize == 16 + movq m4, [r0 + r6 * 4] + punpcklbw m4, m0 + %else + vmovdqu xm4, [r0 + r6 * 4] + vpermq m4, m4, 0x98 + punpcklbw m4, m0 + %endif + mova m5, m1 + psubw m5, m4 + psllw m5, 1 + pmulhrsw m5, m3 + paddw m4, m5 + %if mmsize == 16 + packuswb m4, m4 + movh [r0 + r6 * 4], m4 + %else + vpackuswb m4, m4 + vpermq m4, m4, 0x8 + movu [r0 + r6 * 4], xm4 + %endif + add r6, mmsize / 8 ; i += 2 (or 4) + cmp r6, r4 ; i < w + jl .width_loop + add r0, r1 ; dst += dst_stride + add r2, r3 ; src += src_stride + cmp r2, r5 ; src < end + jl .height_loop +.end: + RET +%endmacro + +INIT_XMM sse2 +RGBA_BLEND +INIT_YMM avx2 +RGBA_BLEND + %endif |