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Move idat_buffer to rpng.h header and to rpng_t struct

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This commit is contained in:
twinaphex 2015-02-21 01:54:57 +01:00
parent 99d869abca
commit 7914c8a01c
3 changed files with 19 additions and 18 deletions
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6
libretro-common/formats/png/rpng_common.h
View File

@ -58,12 +58,6 @@ struct png_ihdr
uint8_t interlace;
};
struct idat_buffer
{
uint8_t *data;
size_t size;
};
enum png_chunk_type
{
PNG_CHUNK_NOOP = 0,

23
libretro-common/formats/png/rpng_nbio.c
View File

@ -170,7 +170,7 @@ static bool png_read_plte_into_buf(uint32_t *buffer, unsigned entries)
bool rpng_nbio_load_image_argb_iterate(uint8_t *buf,
struct png_chunk *chunk,
uint32_t *palette,
struct png_ihdr *ihdr, struct idat_buffer *idat_buf,
struct png_ihdr *ihdr,
struct rpng_t *rpng)
{
unsigned i;
@ -233,15 +233,15 @@ bool rpng_nbio_load_image_argb_iterate(uint8_t *buf,
if (!(rpng->has_ihdr) || rpng->has_iend || (ihdr->color_type == 3 && !(rpng->has_plte)))
return false;
if (!png_realloc_idat(chunk, idat_buf))
if (!png_realloc_idat(chunk, &rpng->idat_buf))
return false;
buf += 8;
for (i = 0; i < chunk->size; i++)
idat_buf->data[i + idat_buf->size] = buf[i];
rpng->idat_buf.data[i + rpng->idat_buf.size] = buf[i];
idat_buf->size += chunk->size;
rpng->idat_buf.size += chunk->size;
rpng->has_idat = true;
break;
@ -259,7 +259,7 @@ bool rpng_nbio_load_image_argb_iterate(uint8_t *buf,
bool rpng_nbio_load_image_argb_process(struct rpng_t *rpng,
struct png_ihdr *ihdr,
struct idat_buffer *idat_buf, uint32_t **data,
uint32_t **data,
uint32_t *palette,
unsigned *width, unsigned *height)
{
@ -278,8 +278,8 @@ bool rpng_nbio_load_image_argb_process(struct rpng_t *rpng,
if (!rpng->inflate_buf)
return false;
stream.next_in = idat_buf->data;
stream.avail_in = idat_buf->size;
stream.next_in = rpng->idat_buf.data;
stream.avail_in = rpng->idat_buf.size;
stream.avail_out = inflate_buf_size;
stream.next_out = rpng->inflate_buf;
@ -319,7 +319,6 @@ bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
{
size_t file_len;
struct nbio_t* nbread = NULL;
struct idat_buffer idat_buf = {0};
struct png_ihdr ihdr = {0};
uint32_t palette[256] = {0};
struct rpng_t rpng = {0};
@ -361,7 +360,7 @@ bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
GOTO_END_ERROR();
if (!rpng_nbio_load_image_argb_iterate(
rpng.buff_data, &chunk, palette, &ihdr, &idat_buf,
rpng.buff_data, &chunk, palette, &ihdr,
&rpng))
break;
@ -378,15 +377,15 @@ bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
GOTO_END_ERROR();
rpng_nbio_load_image_argb_process(&rpng,
&ihdr, &idat_buf, data, palette,
&ihdr, data, palette,
width, height);
end:
nbio_free(nbread);
if (!ret)
free(*data);
if (idat_buf.data)
free(idat_buf.data);
if (rpng.idat_buf.data)
free(rpng.idat_buf.data);
if (rpng.inflate_buf)
free(rpng.inflate_buf);
return ret;

8
libretro-common/include/formats/rpng.h
View File

@ -24,6 +24,7 @@
#define __LIBRETRO_SDK_FORMAT_RPNG_H__
#include <stdint.h>
#include <stddef.h>
#include <boolean.h>
@ -35,12 +36,19 @@
extern "C" {
#endif
struct idat_buffer
{
uint8_t *data;
size_t size;
};
struct rpng_t
{
bool has_ihdr;
bool has_idat;
bool has_iend;
bool has_plte;
struct idat_buffer idat_buf;
uint8_t *inflate_buf;
uint8_t *buff_data;
};