+++ /dev/null
-/*
- * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-
-/****************************************************************************
-*
-* Module Title : scaleopt.cpp
-*
-* Description : Optimized scaling functions
-*
-****************************************************************************/
-#include "pragmas.h"
-
-/****************************************************************************
-* Module Statics
-****************************************************************************/
-__declspec(align(16)) const static unsigned short round_values[] = { 128, 128, 128, 128 };
-
-#include "vpx_scale/vpx_scale.h"
-#include "vpx_mem/vpx_mem.h"
-
-__declspec(align(16)) const static unsigned short const54_2[] = { 0, 64, 128, 192 };
-__declspec(align(16)) const static unsigned short const54_1[] = {256, 192, 128, 64 };
-
-
-/****************************************************************************
- *
- * ROUTINE : horizontal_line_5_4_scale_mmx
- *
- * INPUTS : const unsigned char *source : Pointer to source data.
- * unsigned int source_width : Stride of source.
- * unsigned char *dest : Pointer to destination data.
- * unsigned int dest_width : Stride of destination (NOT USED).
- *
- * OUTPUTS : None.
- *
- * RETURNS : void
- *
- * FUNCTION : Copies horizontal line of pixels from source to
- * destination scaling up by 4 to 5.
- *
- * SPECIAL NOTES : None.
- *
- ****************************************************************************/
-static
-void horizontal_line_5_4_scale_mmx
-(
- const unsigned char *source,
- unsigned int source_width,
- unsigned char *dest,
- unsigned int dest_width
-) {
- /*
- unsigned i;
- unsigned int a, b, c, d, e;
- unsigned char *des = dest;
- const unsigned char *src = source;
-
- (void) dest_width;
-
- for ( i=0; i<source_width; i+=5 )
- {
- a = src[0];
- b = src[1];
- c = src[2];
- d = src[3];
- e = src[4];
-
- des[0] = a;
- des[1] = ((b*192 + c* 64 + 128)>>8);
- des[2] = ((c*128 + d*128 + 128)>>8);
- des[3] = ((d* 64 + e*192 + 128)>>8);
-
- src += 5;
- des += 4;
- }
- */
- (void) dest_width;
-
- __asm {
-
- mov esi, source;
- mov edi, dest;
-
- mov ecx, source_width;
- movq mm5, const54_1;
-
- pxor mm7, mm7;
- movq mm6, const54_2;
-
- movq mm4, round_values;
- lea edx, [esi+ecx];
- horizontal_line_5_4_loop:
-
- movq mm0, QWORD PTR [esi];
- 00 01 02 03 04 05 06 07
- movq mm1, mm0;
- 00 01 02 03 04 05 06 07
-
- psrlq mm0, 8;
- 01 02 03 04 05 06 07 xx
- punpcklbw mm1, mm7;
- xx 00 xx 01 xx 02 xx 03
-
- punpcklbw mm0, mm7;
- xx 01 xx 02 xx 03 xx 04
- pmullw mm1, mm5
-
- pmullw mm0, mm6
- add esi, 5
-
- add edi, 4
- paddw mm1, mm0
-
- paddw mm1, mm4
- psrlw mm1, 8
-
- cmp esi, edx
- packuswb mm1, mm7
-
- movd DWORD PTR [edi-4], mm1
-
- jl horizontal_line_5_4_loop
-
- }
-
-}
-__declspec(align(16)) const static unsigned short one_fourths[] = { 64, 64, 64, 64 };
-__declspec(align(16)) const static unsigned short two_fourths[] = { 128, 128, 128, 128 };
-__declspec(align(16)) const static unsigned short three_fourths[] = { 192, 192, 192, 192 };
-
-static
-void vertical_band_5_4_scale_mmx(unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width) {
-
- __asm {
- push ebx
-
- mov esi, source // Get the source and destination pointer
- mov ecx, src_pitch // Get the pitch size
-
- mov edi, dest // tow lines below
- pxor mm7, mm7 // clear out mm7
-
- mov edx, dest_pitch // Loop counter
- mov ebx, dest_width
-
- vs_5_4_loop:
-
- movd mm0, DWORD ptr [esi] // src[0];
- movd mm1, DWORD ptr [esi+ecx] // src[1];
-
- movd mm2, DWORD ptr [esi+ecx*2]
- lea eax, [esi+ecx*2] //
-
- punpcklbw mm1, mm7
- punpcklbw mm2, mm7
-
- movq mm3, mm2
- pmullw mm1, three_fourths
-
- pmullw mm2, one_fourths
- movd mm4, [eax+ecx]
-
- pmullw mm3, two_fourths
- punpcklbw mm4, mm7
-
- movq mm5, mm4
- pmullw mm4, two_fourths
-
- paddw mm1, mm2
- movd mm6, [eax+ecx*2]
-
- pmullw mm5, one_fourths
- paddw mm1, round_values;
-
- paddw mm3, mm4
- psrlw mm1, 8
-
- punpcklbw mm6, mm7
- paddw mm3, round_values
-
- pmullw mm6, three_fourths
- psrlw mm3, 8
-
- packuswb mm1, mm7
- packuswb mm3, mm7
-
- movd DWORD PTR [edi], mm0
- movd DWORD PTR [edi+edx], mm1
-
-
- paddw mm5, mm6
- movd DWORD PTR [edi+edx*2], mm3
-
- lea eax, [edi+edx*2]
- paddw mm5, round_values
-
- psrlw mm5, 8
- add edi, 4
-
- packuswb mm5, mm7
- movd DWORD PTR [eax+edx], mm5
-
- add esi, 4
- sub ebx, 4
-
- jg vs_5_4_loop
-
- pop ebx
- }
-}
-
-
-__declspec(align(16)) const static unsigned short const53_1[] = { 0, 85, 171, 0 };
-__declspec(align(16)) const static unsigned short const53_2[] = {256, 171, 85, 0 };
-
-
-static
-void horizontal_line_5_3_scale_mmx
-(
- const unsigned char *source,
- unsigned int source_width,
- unsigned char *dest,
- unsigned int dest_width
-) {
-
- (void) dest_width;
- __asm {
-
- mov esi, source;
- mov edi, dest;
-
- mov ecx, source_width;
- movq mm5, const53_1;
-
- pxor mm7, mm7;
- movq mm6, const53_2;
-
- movq mm4, round_values;
- lea edx, [esi+ecx-5];
- horizontal_line_5_3_loop:
-
- movq mm0, QWORD PTR [esi];
- 00 01 02 03 04 05 06 07
- movq mm1, mm0;
- 00 01 02 03 04 05 06 07
-
- psllw mm0, 8;
- xx 00 xx 02 xx 04 xx 06
- psrlw mm1, 8;
- 01 xx 03 xx 05 xx 07 xx
-
- psrlw mm0, 8;
- 00 xx 02 xx 04 xx 06 xx
- psllq mm1, 16;
- xx xx 01 xx 03 xx 05 xx
-
- pmullw mm0, mm6
-
- pmullw mm1, mm5
- add esi, 5
-
- add edi, 3
- paddw mm1, mm0
-
- paddw mm1, mm4
- psrlw mm1, 8
-
- cmp esi, edx
- packuswb mm1, mm7
-
- movd DWORD PTR [edi-3], mm1
- jl horizontal_line_5_3_loop
-
-// exit condition
- movq mm0, QWORD PTR [esi];
- 00 01 02 03 04 05 06 07
- movq mm1, mm0;
- 00 01 02 03 04 05 06 07
-
- psllw mm0, 8;
- xx 00 xx 02 xx 04 xx 06
- psrlw mm1, 8;
- 01 xx 03 xx 05 xx 07 xx
-
- psrlw mm0, 8;
- 00 xx 02 xx 04 xx 06 xx
- psllq mm1, 16;
- xx xx 01 xx 03 xx 05 xx
-
- pmullw mm0, mm6
-
- pmullw mm1, mm5
- paddw mm1, mm0
-
- paddw mm1, mm4
- psrlw mm1, 8
-
- packuswb mm1, mm7
- movd eax, mm1
-
- mov edx, eax
- shr edx, 16
-
- mov WORD PTR[edi], ax
- mov BYTE PTR[edi+2], dl
-
- }
-
-}
-
-__declspec(align(16)) const static unsigned short one_thirds[] = { 85, 85, 85, 85 };
-__declspec(align(16)) const static unsigned short two_thirds[] = { 171, 171, 171, 171 };
-
-static
-void vertical_band_5_3_scale_mmx(unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width) {
-
- __asm {
- push ebx
-
- mov esi, source // Get the source and destination pointer
- mov ecx, src_pitch // Get the pitch size
-
- mov edi, dest // tow lines below
- pxor mm7, mm7 // clear out mm7
-
- mov edx, dest_pitch // Loop counter
- movq mm5, one_thirds
-
- movq mm6, two_thirds
- mov ebx, dest_width;
-
- vs_5_3_loop:
-
- movd mm0, DWORD ptr [esi] // src[0];
- movd mm1, DWORD ptr [esi+ecx] // src[1];
-
- movd mm2, DWORD ptr [esi+ecx*2]
- lea eax, [esi+ecx*2] //
-
- punpcklbw mm1, mm7
- punpcklbw mm2, mm7
-
- pmullw mm1, mm5
- pmullw mm2, mm6
-
- movd mm3, DWORD ptr [eax+ecx]
- movd mm4, DWORD ptr [eax+ecx*2]
-
- punpcklbw mm3, mm7
- punpcklbw mm4, mm7
-
- pmullw mm3, mm6
- pmullw mm4, mm5
-
-
- movd DWORD PTR [edi], mm0
- paddw mm1, mm2
-
- paddw mm1, round_values
- psrlw mm1, 8
-
- packuswb mm1, mm7
- paddw mm3, mm4
-
- paddw mm3, round_values
- movd DWORD PTR [edi+edx], mm1
-
- psrlw mm3, 8
- packuswb mm3, mm7
-
- movd DWORD PTR [edi+edx*2], mm3
-
-
- add edi, 4
- add esi, 4
-
- sub ebx, 4
- jg vs_5_3_loop
-
- pop ebx
- }
-}
-
-
-
-
-/****************************************************************************
- *
- * ROUTINE : horizontal_line_2_1_scale
- *
- * INPUTS : const unsigned char *source :
- * unsigned int source_width :
- * unsigned char *dest :
- * unsigned int dest_width :
- *
- * OUTPUTS : None.
- *
- * RETURNS : void
- *
- * FUNCTION : 1 to 2 up-scaling of a horizontal line of pixels.
- *
- * SPECIAL NOTES : None.
- *
- ****************************************************************************/
-static
-void horizontal_line_2_1_scale_mmx
-(
- const unsigned char *source,
- unsigned int source_width,
- unsigned char *dest,
- unsigned int dest_width
-) {
- (void) dest_width;
- (void) source_width;
- __asm {
- mov esi, source
- mov edi, dest
-
- pxor mm7, mm7
- mov ecx, dest_width
-
- xor edx, edx
- hs_2_1_loop:
-
- movq mm0, [esi+edx*2]
- psllw mm0, 8
-
- psrlw mm0, 8
- packuswb mm0, mm7
-
- movd DWORD Ptr [edi+edx], mm0;
- add edx, 4
-
- cmp edx, ecx
- jl hs_2_1_loop
-
- }
-}
-
-
-
-static
-void vertical_band_2_1_scale_mmx(unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width) {
- (void) dest_pitch;
- (void) src_pitch;
- vpx_memcpy(dest, source, dest_width);
-}
-
-
-__declspec(align(16)) const static unsigned short three_sixteenths[] = { 48, 48, 48, 48 };
-__declspec(align(16)) const static unsigned short ten_sixteenths[] = { 160, 160, 160, 160 };
-
-static
-void vertical_band_2_1_scale_i_mmx(unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width) {
-
- (void) dest_pitch;
- __asm {
- mov esi, source
- mov edi, dest
-
- mov eax, src_pitch
- mov edx, dest_width
-
- pxor mm7, mm7
- sub esi, eax // back one line
-
-
- lea ecx, [esi+edx];
- movq mm6, round_values;
-
- movq mm5, three_sixteenths;
- movq mm4, ten_sixteenths;
-
- vs_2_1_i_loop:
- movd mm0, [esi] //
- movd mm1, [esi+eax] //
-
- movd mm2, [esi+eax*2] //
- punpcklbw mm0, mm7
-
- pmullw mm0, mm5
- punpcklbw mm1, mm7
-
- pmullw mm1, mm4
- punpcklbw mm2, mm7
-
- pmullw mm2, mm5
- paddw mm0, round_values
-
- paddw mm1, mm2
- paddw mm0, mm1
-
- psrlw mm0, 8
- packuswb mm0, mm7
-
- movd DWORD PTR [edi], mm0
- add esi, 4
-
- add edi, 4;
- cmp esi, ecx
- jl vs_2_1_i_loop
-
- }
-}
-
-
-
-void
-register_mmxscalers(void) {
- vp8_vertical_band_5_4_scale = vertical_band_5_4_scale_mmx;
- vp8_vertical_band_5_3_scale = vertical_band_5_3_scale_mmx;
- vp8_vertical_band_2_1_scale = vertical_band_2_1_scale_mmx;
- vp8_vertical_band_2_1_scale_i = vertical_band_2_1_scale_i_mmx;
- vp8_horizontal_line_2_1_scale = horizontal_line_2_1_scale_mmx;
- vp8_horizontal_line_5_3_scale = horizontal_line_5_3_scale_mmx;
- vp8_horizontal_line_5_4_scale = horizontal_line_5_4_scale_mmx;
-}
projects / platform / upstream / libvpx.git / commitdiff