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image_texture_load_buffer

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This commit is contained in:
Huw Pascoe 2019-04-17 23:08:53 +01:00
parent 3e350afe93
commit cd714dbd0b
2 changed files with 47 additions and 52 deletions
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93
libretro-common/formats/image_texture.c
View File

@ -29,14 +29,27 @@
#include <formats/image.h>
#include <file/nbio.h>
enum video_image_format
enum image_type_enum image_texture_get_type(const char *path)
{
IMAGE_FORMAT_NONE = 0,
IMAGE_FORMAT_TGA,
IMAGE_FORMAT_PNG,
IMAGE_FORMAT_JPEG,
IMAGE_FORMAT_BMP
};
#ifdef HAVE_RTGA
if (strstr(path, ".tga"))
return IMAGE_TYPE_TGA;
#endif
#ifdef HAVE_RPNG
if (strstr(path, ".png"))
return IMAGE_TYPE_PNG;
#endif
#ifdef HAVE_RJPEG
if (strstr(path, ".jpg") || strstr(path, ".jpeg"))
return IMAGE_TYPE_JPEG;
#endif
#ifdef HAVE_RBMP
if (strstr(path, ".bmp"))
return IMAGE_TYPE_BMP;
#endif
return IMAGE_TYPE_NONE;
}
bool image_texture_set_color_shifts(
unsigned *r_shift, unsigned *g_shift, unsigned *b_shift,
@ -214,53 +227,29 @@ void image_texture_free(struct texture_image *img)
img->pixels = NULL;
}
static enum video_image_format image_texture_get_type(const char *path)
bool image_texture_load_buffer(struct texture_image *out_img,
enum image_type_enum type, void *buffer, size_t buffer_len)
{
#ifdef HAVE_RTGA
if (strstr(path, ".tga"))
return IMAGE_FORMAT_TGA;
#endif
#ifdef HAVE_RPNG
if (strstr(path, ".png"))
return IMAGE_FORMAT_PNG;
#endif
#ifdef HAVE_RJPEG
if (strstr(path, ".jpg") || strstr(path, ".jpeg"))
return IMAGE_FORMAT_JPEG;
#endif
#ifdef HAVE_RBMP
if (strstr(path, ".bmp"))
return IMAGE_FORMAT_BMP;
#endif
return IMAGE_FORMAT_NONE;
}
unsigned r_shift, g_shift, b_shift, a_shift;
image_texture_set_color_shifts(&r_shift, &g_shift, &b_shift,
&a_shift, out_img);
static enum image_type_enum image_texture_convert_fmt_to_type(enum video_image_format fmt)
{
switch (fmt)
if (type != IMAGE_TYPE_NONE)
{
#ifdef HAVE_RPNG
case IMAGE_FORMAT_PNG:
return IMAGE_TYPE_PNG;
#endif
#ifdef HAVE_RJPEG
case IMAGE_FORMAT_JPEG:
return IMAGE_TYPE_JPEG;
#endif
#ifdef HAVE_RBMP
case IMAGE_FORMAT_BMP:
return IMAGE_TYPE_BMP;
#endif
#ifdef HAVE_RTGA
case IMAGE_FORMAT_TGA:
return IMAGE_TYPE_TGA;
#endif
case IMAGE_FORMAT_NONE:
default:
break;
if (image_texture_load_internal(
type, buffer, buffer_len, out_img,
a_shift, r_shift, g_shift, b_shift))
{
return true;
}
}
return IMAGE_TYPE_NONE;
out_img->supports_rgba = false;
out_img->pixels = NULL;
out_img->width = 0;
out_img->height = 0;
return false;
}
bool image_texture_load(struct texture_image *out_img,
@ -270,12 +259,12 @@ bool image_texture_load(struct texture_image *out_img,
size_t file_len = 0;
struct nbio_t *handle = NULL;
void *ptr = NULL;
enum video_image_format fmt = image_texture_get_type(path);
enum image_type_enum type = image_texture_get_type(path);
image_texture_set_color_shifts(&r_shift, &g_shift, &b_shift,
&a_shift, out_img);
if (fmt != IMAGE_FORMAT_NONE)
if (type != IMAGE_TYPE_NONE)
{
handle = (struct nbio_t*)nbio_open(path, NBIO_READ);
if (!handle)
@ -290,7 +279,7 @@ bool image_texture_load(struct texture_image *out_img,
goto error;
if (image_texture_load_internal(
image_texture_convert_fmt_to_type(fmt),
type,
ptr, file_len, out_img,
a_shift, r_shift, g_shift, b_shift))
goto success;

6
libretro-common/include/formats/image.h
View File

@ -24,6 +24,7 @@
#define __RARCH_IMAGE_CONTEXT_H
#include <stdint.h>
#include <stddef.h>
#include <retro_common_api.h>
@ -56,6 +57,8 @@ enum image_type_enum
IMAGE_TYPE_TGA
};
enum image_type_enum image_texture_get_type(const char *path);
bool image_texture_set_color_shifts(unsigned *r_shift, unsigned *g_shift,
unsigned *b_shift, unsigned *a_shift,
struct texture_image *out_img);
@ -64,6 +67,9 @@ bool image_texture_color_convert(unsigned r_shift,
unsigned g_shift, unsigned b_shift, unsigned a_shift,
struct texture_image *out_img);
bool image_texture_load_buffer(struct texture_image *img,
enum image_type_enum type, void *buffer, size_t buffer_len);
bool image_texture_load(struct texture_image *img, const char *path);
void image_texture_free(struct texture_image *img);