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Imported from libpng-1.2.20beta04.tar

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This commit is contained in:
Glenn Randers-Pehrson
2007-08-21 17:08:29 -05:00
parent 268f0d64fc
commit b56c1f6023
54 changed files with 156 additions and 156 deletions
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90
pngvcrd.c
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@@ -3,7 +3,7 @@
*
* For Intel x86 CPU and Microsoft Visual C++ compiler
*
* Last changed in libpng 1.2.19 August 21, 2007
* Last changed in libpng 1.2.20 August 21, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
@@ -27,6 +27,8 @@
*
* [move instances of uAll union into local, except for two constant
* instances, GR-P 20070805]
*
* [revised handling of static constants for efficiency, Steve Snyder 20070821]
*/
#define PNG_INTERNAL
@@ -34,6 +36,9 @@
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD)
#ifdef PNG_USE_LOCAL_ARRAYS
static PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
#endif
static int mmx_supported=2;
@@ -114,9 +119,7 @@ NOT_SUPPORTED:
void /* PRIVATE */
png_combine_row(png_structp png_ptr, png_bytep row, int mask)
{
#ifdef PNG_USE_LOCAL_ARRAYS
PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
#endif
static PNG_CONST int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
png_debug(1,"in png_combine_row_asm\n");
@@ -147,9 +150,9 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_uint_32 len;
int unmask, diff;
__int64 mask2=0x0101010202020404, //24bpp
mask1=0x0408080810101020,
mask0=0x2020404040808080;
static PNG_CONST __int64 bpp24_mask2=0x0101010202020404, //24bpp
bpp24_mask1=0x0408080810101020,
bpp24_mask0=0x2020404040808080;
srcptr = png_ptr->row_buf + 1;
dstptr = row;
@@ -173,9 +176,9 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
punpcklwd mm7,mm7
punpckldq mm7,mm7 //fill register with 8 masks
movq mm0,mask0
movq mm1,mask1
movq mm2,mask2
movq mm0,bpp24_mask0
movq mm1,bpp24_mask1
movq mm2,bpp24_mask2
pand mm0,mm7
pand mm1,mm7
@@ -255,7 +258,6 @@ end24:
png_size_t pixel_bytes;
png_uint_32 i;
register int disp = png_pass_inc[png_ptr->pass];
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
srcptr = png_ptr->row_buf + 1 + offset_table[png_ptr->pass]*
@@ -282,10 +284,10 @@ end24:
png_uint_32 len;
int unmask, diff;
__int64 mask3=0x0101010102020202, //32bpp
mask2=0x0404040408080808,
mask1=0x1010101020202020,
mask0=0x4040404080808080;
static PNG_CONST __int64 bpp32_mask3=0x0101010102020202, //32bpp
bpp32_mask2=0x0404040408080808,
bpp32_mask1=0x1010101020202020,
bpp32_mask0=0x4040404080808080;
srcptr = png_ptr->row_buf + 1;
dstptr = row;
@@ -309,10 +311,10 @@ end24:
punpcklwd mm7,mm7
punpckldq mm7,mm7 //fill register with 8 masks
movq mm0,mask0
movq mm1,mask1
movq mm2,mask2
movq mm3,mask3
movq mm0,bpp32_mask0
movq mm1,bpp32_mask1
movq mm2,bpp32_mask2
movq mm3,bpp32_mask3
pand mm0,mm7
pand mm1,mm7
@@ -399,7 +401,6 @@ end32:
png_size_t pixel_bytes;
png_uint_32 i;
register int disp = png_pass_inc[png_ptr->pass];
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
srcptr = png_ptr->row_buf + 1 + offset_table[png_ptr->pass]*
@@ -427,7 +428,7 @@ end32:
int m;
int diff, unmask;
__int64 mask0=0x0102040810204080;
static PNG_CONST __int64 bpp08_mask0=0x0102040810204080;
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
@@ -451,7 +452,7 @@ end32:
punpcklwd mm7,mm7
punpckldq mm7,mm7 //fill register with 8 masks
movq mm0,mask0
movq mm0,bpp08_mask0
pand mm0,mm7 //nonzero if keep byte
pcmpeqb mm0,mm6 //zeros->1s, v versa
@@ -505,7 +506,6 @@ end8:
png_size_t pixel_bytes;
png_uint_32 i;
register int disp = png_pass_inc[png_ptr->pass];
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
srcptr = png_ptr->row_buf + 1 + offset_table[png_ptr->pass]*
@@ -697,8 +697,8 @@ end8:
png_bytep dstptr;
png_uint_32 len;
int unmask, diff;
__int64 mask1=0x0101020204040808,
mask0=0x1010202040408080;
static PNG_CONST __int64 bpp16_mask1=0x0101020204040808,
bpp16_mask0=0x1010202040408080;
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
@@ -721,8 +721,8 @@ end8:
punpcklwd mm7,mm7
punpckldq mm7,mm7 //fill register with 8 masks
movq mm0,mask0
movq mm1,mask1
movq mm0,bpp16_mask0
movq mm1,bpp16_mask1
pand mm0,mm7
pand mm1,mm7
@@ -787,7 +787,6 @@ end16:
png_size_t pixel_bytes;
png_uint_32 i;
register int disp = png_pass_inc[png_ptr->pass];
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
srcptr = png_ptr->row_buf + 1 + offset_table[png_ptr->pass]*
@@ -814,12 +813,12 @@ end16:
png_uint_32 len;
int unmask, diff;
__int64 mask5=0x0101010101010202,
mask4=0x0202020204040404,
mask3=0x0404080808080808,
mask2=0x1010101010102020,
mask1=0x2020202040404040,
mask0=0x4040808080808080;
static PNG_CONST __int64 bpp48_mask5=0x0101010101010202,
bpp48_mask4=0x0202020204040404,
bpp48_mask3=0x0404080808080808,
bpp48_mask2=0x1010101010102020,
bpp48_mask1=0x2020202040404040,
bpp48_mask0=0x4040808080808080;
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
@@ -842,12 +841,12 @@ end16:
punpcklwd mm7,mm7
punpckldq mm7,mm7 //fill register with 8 masks
movq mm0,mask0
movq mm1,mask1
movq mm2,mask2
movq mm3,mask3
movq mm4,mask4
movq mm5,mask5
movq mm0,bpp48_mask0
movq mm1,bpp48_mask1
movq mm2,bpp48_mask2
movq mm3,bpp48_mask3
movq mm4,bpp48_mask4
movq mm5,bpp48_mask5
pand mm0,mm7
pand mm1,mm7
@@ -951,7 +950,6 @@ end48:
png_size_t pixel_bytes;
png_uint_32 i;
register int disp = png_pass_inc[png_ptr->pass];
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
pixel_bytes = (png_ptr->row_info.pixel_depth >> 3);
srcptr = png_ptr->row_buf + 1 + offset_table[png_ptr->pass]*
@@ -976,7 +974,6 @@ end48:
png_bytep sptr;
png_bytep dp;
png_size_t pixel_bytes;
int offset_table[7] = {0, 4, 0, 2, 0, 1, 0};
unsigned int i;
register int disp = png_pass_inc[png_ptr->pass]; // get the offset
register unsigned int incr1, initial_val, final_val;
@@ -1011,9 +1008,6 @@ png_do_read_interlace(png_structp png_ptr)
png_bytep row = png_ptr->row_buf + 1;
int pass = png_ptr->pass;
png_uint_32 transformations = png_ptr->transformations;
#ifdef PNG_USE_LOCAL_ARRAYS
PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
#endif
png_debug(1,"in png_do_read_interlace\n");
@@ -1205,9 +1199,9 @@ png_do_read_interlace(png_structp png_ptr)
default: // This is the place where the routine is modified
{
__int64 const4 = 0x0000000000FFFFFF;
// __int64 const5 = 0x000000FFFFFF0000; // unused...
__int64 const6 = 0x00000000000000FF;
static PNG_CONST __int64 const4 = 0x0000000000FFFFFF;
// static PNG_CONST __int64 const5 = 0x000000FFFFFF0000; // unused...
static PNG_CONST __int64 const6 = 0x00000000000000FF;
png_bytep sptr, dp;
png_uint_32 i;
png_size_t pixel_bytes;