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(RJPEG) Image needs to be converted from RGBA to ARGB

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This commit is contained in:
twinaphex 2016-05-17 12:17:45 +02:00
parent 9202256c3c
commit 609d00b3d7
1 changed files with 16 additions and 3 deletions
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13
libretro-common/formats/jpeg/rjpeg.c
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@ -2429,12 +2429,25 @@ int rjpeg_process_image(rjpeg_t *rjpeg, void **buf_data,
{
int comp;
uint8_t **buf = (uint8_t**)buf_data;
unsigned size_tex = 0;
if (!rjpeg)
return IMAGE_PROCESS_ERROR;
rjpeg->output_image = (uint32_t*)rjpeg_load_from_memory(rjpeg->buff_data, size, width, height, &comp, 4);
*buf_data = rjpeg->output_image;
size_tex = (*width) * (*height);
/* Convert RGBA to ARGB */
do
{
unsigned int texel = rjpeg->output_image[size_tex];
unsigned int A = texel & 0xFF000000;
unsigned int B = texel & 0x00FF0000;
unsigned int G = texel & 0x0000FF00;
unsigned int R = texel & 0x000000FF;
((unsigned int*)rjpeg->output_image)[size_tex] = A | (R << 16) | G | (B >> 16);
}while(size_tex--);
return IMAGE_PROCESS_END;
}