Differential D1532 Diff 5096 source/blender/imbuf/intern/readimage.c

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source/blender/imbuf/intern/readimage.c

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#ifdef _WIN32		#ifdef _WIN32
# include <io.h>		# include <io.h>
# include <stddef.h>		# include <stddef.h>
# include <sys/types.h>		# include <sys/types.h>
# include "mmap_win.h"		# include "mmap_win.h"
#endif		#endif

		#include "MEM_guardedalloc.h"

#include <stdlib.h>		#include <stdlib.h>
#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_string.h"		#include "BLI_string.h"
#include "BLI_path_util.h"		#include "BLI_path_util.h"
#include "BLI_fileops.h"		#include "BLI_fileops.h"

#include "imbuf.h"		#include "imbuf.h"
#include "IMB_imbuf_types.h"		#include "IMB_imbuf_types.h"
▲ Show 20 Lines • Show All 119 Lines • ▼ Show 20 Lines	ImBuf IMB_loadifffile(int file, const char filepath, int flags, char colorspace[IM_MAX_SPACE], const char *descr)

if (file == -1) return NULL;		if (file == -1) return NULL;

if (imb_is_filepath_format(filepath))		if (imb_is_filepath_format(filepath))
return IMB_ibImageFromFile(filepath, flags, colorspace, descr);		return IMB_ibImageFromFile(filepath, flags, colorspace, descr);

size = BLI_file_descriptor_size(file);		size = BLI_file_descriptor_size(file);

mem = mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);		mem = MEM_mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
if (mem == (unsigned char *) -1) {		if (mem == (unsigned char *) -1) {
fprintf(stderr, "%s: couldn't get mapping %s\n", __func__, descr);		fprintf(stderr, "%s: couldn't get mapping %s\n", __func__, descr);
return NULL;		return NULL;
}		}

ibuf = IMB_ibImageFromMemory(mem, size, flags, colorspace, descr);		ibuf = IMB_ibImageFromMemory(mem, size, flags, colorspace, descr);

if (munmap(mem, size))		if (MEM_munmap(mem, size))
fprintf(stderr, "%s: couldn't unmap file %s\n", __func__, descr);		fprintf(stderr, "%s: couldn't unmap file %s\n", __func__, descr);

return ibuf;		return ibuf;
}		}

static void imb_cache_filename(char filename, const char name, int flags)		static void imb_cache_filename(char filename, const char name, int flags)
{		{
/* read .tx instead if it exists and is not older */		/* read .tx instead if it exists and is not older */
▲ Show 20 Lines • Show All 70 Lines • ▼ Show 20 Lines	static void imb_loadtilefile(ImBuf ibuf, int file, int tx, int ty, unsigned int rect)
const ImFileType *type;		const ImFileType *type;
unsigned char *mem;		unsigned char *mem;
size_t size;		size_t size;

if (file == -1) return;		if (file == -1) return;

size = BLI_file_descriptor_size(file);		size = BLI_file_descriptor_size(file);

mem = mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);		mem = MEM_mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
if (mem == (unsigned char *) -1) {		if (mem == (unsigned char *) -1) {
fprintf(stderr, "Couldn't get memory mapping for %s\n", ibuf->cachename);		fprintf(stderr, "Couldn't get memory mapping for %s\n", ibuf->cachename);
return;		return;
}		}

for (type = IMB_FILE_TYPES; type < IMB_FILE_TYPES_LAST; type++)		for (type = IMB_FILE_TYPES; type < IMB_FILE_TYPES_LAST; type++)
if (type->load_tile && type->ftype(type, ibuf))		if (type->load_tile && type->ftype(type, ibuf))
type->load_tile(ibuf, mem, size, tx, ty, rect);		type->load_tile(ibuf, mem, size, tx, ty, rect);

if (munmap(mem, size))		if (MEM_munmap(mem, size))
fprintf(stderr, "Couldn't unmap memory for %s.\n", ibuf->cachename);		fprintf(stderr, "Couldn't unmap memory for %s.\n", ibuf->cachename);
}		}

void imb_loadtile(ImBuf ibuf, int tx, int ty, unsigned int rect)		void imb_loadtile(ImBuf ibuf, int tx, int ty, unsigned int rect)
{		{
int file;		int file;

file = BLI_open(ibuf->cachename, O_BINARY \| O_RDONLY, 0);		file = BLI_open(ibuf->cachename, O_BINARY \| O_RDONLY, 0);
if (file == -1)		if (file == -1)
return;		return;

imb_loadtilefile(ibuf, file, tx, ty, rect);		imb_loadtilefile(ibuf, file, tx, ty, rect);

close(file);		close(file);
}		}