From 854a7e0af7f9e106ff389ba0b2d4361021639fea Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Sun, 23 Dec 2001 14:25:32 +0000 Subject: adding hermes Original commit message from CVS: adding hermes --- ext/hermes/yuv2rgb_mmx16.s | 188 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) create mode 100644 ext/hermes/yuv2rgb_mmx16.s (limited to 'ext/hermes/yuv2rgb_mmx16.s') diff --git a/ext/hermes/yuv2rgb_mmx16.s b/ext/hermes/yuv2rgb_mmx16.s new file mode 100644 index 00000000..8f7b1f77 --- /dev/null +++ b/ext/hermes/yuv2rgb_mmx16.s @@ -0,0 +1,188 @@ +.globl mmx_80w +.data + .align 4 + .type mmx_80w,@object + .size mmx_80w,8 +mmx_80w: + .long 8388736 + .long 8388736 +.globl mmx_10w + .align 4 + .type mmx_10w,@object + .size mmx_10w,8 +mmx_10w: + .long 269488144 + .long 269488144 +.globl mmx_00ffw + .align 4 + .type mmx_00ffw,@object + .size mmx_00ffw,8 +mmx_00ffw: + .long 16711935 + .long 16711935 +.globl mmx_Y_coeff + .align 4 + .type mmx_Y_coeff,@object + .size mmx_Y_coeff,8 +mmx_Y_coeff: + .long 624895295 + .long 624895295 +.globl mmx_U_green + .align 4 + .type mmx_U_green,@object + .size mmx_U_green,8 +mmx_U_green: + .long -209849475 + .long -209849475 +.globl mmx_U_blue + .align 4 + .type mmx_U_blue,@object + .size mmx_U_blue,8 +mmx_U_blue: + .long 1083392147 + .long 1083392147 +.globl mmx_V_red + .align 4 + .type mmx_V_red,@object + .size mmx_V_red,8 +mmx_V_red: + .long 856830738 + .long 856830738 +.globl mmx_V_green + .align 4 + .type mmx_V_green,@object + .size mmx_V_green,8 +mmx_V_green: + .long -436410884 + .long -436410884 +.globl mmx_redmask + .align 4 + .type mmx_redmask,@object + .size mmx_redmask,8 +mmx_redmask: + .long -117901064 + .long -117901064 +.globl mmx_grnmask + .align 4 + .type mmx_grnmask,@object + .size mmx_grnmask,8 +mmx_grnmask: + .long -50529028 + .long -50529028 +.text + .align 4 +.globl gst_colorspace_yuv_to_bgr16_mmx + .type gst_colorspace_yuv_to_bgr16_mmx,@function +gst_colorspace_yuv_to_bgr16_mmx: + subl $8,%esp + pushl %ebp + pushl %edi + pushl %esi + movl 28(%esp),%edi + movl 32(%esp),%ecx + movl 36(%esp),%edx + movl $1,%ebp + movl 48(%esp),%esi + sarl $1,%esi + movl %esi,16(%esp) + + pxor %mm4, %mm4 # zero mm4 + + movl %esi,12(%esp) + sarl $2,12(%esp) + + movl 40(%esp),%esi + + .p2align 4,,7 +.L68: + + movd (%ecx), %mm0 # Load 4 Cb 00 00 00 00 00 u3 u2 u1 u0 + movd (%edx), %mm1 # Load 4 Cr 00 00 00 00 00 v2 v1 v0 + movq (%edi), %mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 + + movl 12(%esp),%eax + + .p2align 4,,7 +.L74: + punpcklbw %mm4, %mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 + punpcklbw %mm4, %mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 + psubsw mmx_80w, %mm0 # Cb -= 128 + psubsw mmx_80w, %mm1 # Cr -= 128 + psllw $3, %mm0 # Promote precision + psllw $3, %mm1 # Promote precision + movq %mm0, %mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 + movq %mm1, %mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 + pmulhw mmx_U_green, %mm2 # Mul Cb with green coeff -> Cb green + pmulhw mmx_V_green, %mm3 # Mul Cr with green coeff -> Cr green + pmulhw mmx_U_blue, %mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 + pmulhw mmx_V_red, %mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 + paddsw %mm3, %mm2 # Cb green + Cr green -> Cgreen + psubusb mmx_10w, %mm6 # Y -= 16 + movq %mm6, %mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 + pand mmx_00ffw, %mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0 + psrlw $8, %mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 + psllw $3, %mm6 # Promote precision + psllw $3, %mm7 # Promote precision + pmulhw mmx_Y_coeff, %mm6 # Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 + pmulhw mmx_Y_coeff, %mm7 # Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 + movq %mm0, %mm3 # Copy Cblue + movq %mm1, %mm4 # Copy Cred + movq %mm2, %mm5 # Copy Cgreen + paddsw %mm6, %mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0 + paddsw %mm7, %mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 + paddsw %mm6, %mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0 + paddsw %mm7, %mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1 + paddsw %mm6, %mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 + paddsw %mm7, %mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 + packuswb %mm0, %mm0 # B6 B4 B2 B0 | B6 B4 B2 B0 + packuswb %mm1, %mm1 # R6 R4 R2 R0 | R6 R4 R2 R0 + packuswb %mm2, %mm2 # G6 G4 G2 G0 | G6 G4 G2 G0 + packuswb %mm3, %mm3 # B7 B5 B3 B1 | B7 B5 B3 B1 + packuswb %mm4, %mm4 # R7 R5 R3 R1 | R7 R5 R3 R1 + packuswb %mm5, %mm5 # G7 G5 G3 G1 | G7 G5 G3 G1 + punpcklbw %mm3, %mm0 # B7 B6 B5 B4 B3 B2 B1 B0 + punpcklbw %mm4, %mm1 # R7 R6 R5 R4 R3 R2 R1 R0 + punpcklbw %mm5, %mm2 # G7 G6 G5 G4 G3 G2 G1 G0 + pand mmx_redmask, %mm0 # b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 + pand mmx_grnmask, %mm2 # g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 + pand mmx_redmask, %mm1 # r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 + psrlw $3,%mm0 #0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 + pxor %mm4, %mm4 # zero mm4 + movq %mm0, %mm5 # Copy B7-B0 + movq %mm2, %mm7 # Copy G7-G0 + punpcklbw %mm4, %mm2 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 + punpcklbw %mm1, %mm0 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 + psllw $3,%mm2 # 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 + por %mm2, %mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 + movq 8(%edi), %mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 + movq %mm0, (%esi) # store pixel 0-3 + punpckhbw %mm4, %mm7 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 + punpckhbw %mm1, %mm5 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 + psllw $3,%mm7 # 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 + movd 4(%ecx), %mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 + por %mm7, %mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 + movd 4(%edx), %mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 + movq %mm5, 8(%esi) # store pixel 4-7 + + addl $8,%edi + addl $4,%ecx + addl $4,%edx + addl $16,%esi + decl %eax + jnz .L74 +.L72: + xorl $1,%ebp + jne .L76 + subl 16(%esp),%ecx + subl 16(%esp),%edx +.L76: + subl $1,44(%esp) + jnz .L68 + + emms + + popl %esi + popl %edi + popl %ebp + addl $8,%esp + ret -- cgit v1.2.1