libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2025-01-19 07:16:21 +00:00
Code Issues Actions 25 Packages Projects Releases Wiki Activity

Move some code from rpng_common.h to rpng_decode_common.h

Browse Source
This commit is contained in:
twinaphex 2015-02-26 19:52:44 +01:00
parent 26b0b397c3
commit 9e000f64fe
2 changed files with 117 additions and 115 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

115
libretro-common/formats/png/rpng_common.h
View File

@ -101,119 +101,4 @@ static INLINE enum png_chunk_type png_chunk_type(const struct png_chunk *chunk)
return PNG_CHUNK_NOOP;
}
static INLINE void copy_line_rgb(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t r, g, b;
r = *decoded;
decoded += bpp;
g = *decoded;
decoded += bpp;
b = *decoded;
decoded += bpp;
data[i] = (0xffu << 24) | (r << 16) | (g << 8) | (b << 0);
}
}
static INLINE void copy_line_rgba(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t r, g, b, a;
r = *decoded;
decoded += bpp;
g = *decoded;
decoded += bpp;
b = *decoded;
decoded += bpp;
a = *decoded;
decoded += bpp;
data[i] = (a << 24) | (r << 16) | (g << 8) | (b << 0);
}
}
static INLINE void copy_line_bw(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned depth)
{
unsigned i, bit;
static const unsigned mul_table[] = { 0, 0xff, 0x55, 0, 0x11, 0, 0, 0, 0x01 };
unsigned mul, mask;
if (depth == 16)
{
for (i = 0; i < width; i++)
{
uint32_t val = decoded[i << 1];
data[i] = (val * 0x010101) | (0xffu << 24);
}
return;
}
mul = mul_table[depth];
mask = (1 << depth) - 1;
bit = 0;
for (i = 0; i < width; i++, bit += depth)
{
unsigned byte = bit >> 3;
unsigned val = decoded[byte] >> (8 - depth - (bit & 7));
val &= mask;
val *= mul;
data[i] = (val * 0x010101) | (0xffu << 24);
}
}
static INLINE void copy_line_gray_alpha(uint32_t *data,
const uint8_t *decoded, unsigned width,
unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t gray, alpha;
gray = *decoded;
decoded += bpp;
alpha = *decoded;
decoded += bpp;
data[i] = (gray * 0x010101) | (alpha << 24);
}
}
static INLINE void copy_line_plt(uint32_t *data,
const uint8_t *decoded, unsigned width,
unsigned depth, const uint32_t *palette)
{
unsigned i, bit;
unsigned mask = (1 << depth) - 1;
bit = 0;
for (i = 0; i < width; i++, bit += depth)
{
unsigned byte = bit >> 3;
unsigned val = decoded[byte] >> (8 - depth - (bit & 7));
val &= mask;
data[i] = palette[val];
}
}
#endif

117
libretro-common/formats/png/rpng_decode_common.h
View File

@ -23,6 +23,123 @@
#ifndef _RPNG_DECODE_COMMON_H
#define _RPNG_DECODE_COMMON_H
#include <retro_inline.h>
static INLINE void copy_line_rgb(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t r, g, b;
r = *decoded;
decoded += bpp;
g = *decoded;
decoded += bpp;
b = *decoded;
decoded += bpp;
data[i] = (0xffu << 24) | (r << 16) | (g << 8) | (b << 0);
}
}
static INLINE void copy_line_rgba(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t r, g, b, a;
r = *decoded;
decoded += bpp;
g = *decoded;
decoded += bpp;
b = *decoded;
decoded += bpp;
a = *decoded;
decoded += bpp;
data[i] = (a << 24) | (r << 16) | (g << 8) | (b << 0);
}
}
static INLINE void copy_line_bw(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned depth)
{
unsigned i, bit;
static const unsigned mul_table[] = { 0, 0xff, 0x55, 0, 0x11, 0, 0, 0, 0x01 };
unsigned mul, mask;
if (depth == 16)
{
for (i = 0; i < width; i++)
{
uint32_t val = decoded[i << 1];
data[i] = (val * 0x010101) | (0xffu << 24);
}
return;
}
mul = mul_table[depth];
mask = (1 << depth) - 1;
bit = 0;
for (i = 0; i < width; i++, bit += depth)
{
unsigned byte = bit >> 3;
unsigned val = decoded[byte] >> (8 - depth - (bit & 7));
val &= mask;
val *= mul;
data[i] = (val * 0x010101) | (0xffu << 24);
}
}
static INLINE void copy_line_gray_alpha(uint32_t *data,
const uint8_t *decoded, unsigned width,
unsigned bpp)
{
unsigned i;
bpp /= 8;
for (i = 0; i < width; i++)
{
uint32_t gray, alpha;
gray = *decoded;
decoded += bpp;
alpha = *decoded;
decoded += bpp;
data[i] = (gray * 0x010101) | (alpha << 24);
}
}
static INLINE void copy_line_plt(uint32_t *data,
const uint8_t *decoded, unsigned width,
unsigned depth, const uint32_t *palette)
{
unsigned i, bit;
unsigned mask = (1 << depth) - 1;
bit = 0;
for (i = 0; i < width; i++, bit += depth)
{
unsigned byte = bit >> 3;
unsigned val = decoded[byte] >> (8 - depth - (bit & 7));
val &= mask;
data[i] = palette[val];
}
}
static void png_pass_geom(const struct png_ihdr *ihdr,
unsigned width, unsigned height,
unsigned *bpp_out, unsigned *pitch_out, size_t *pass_size)