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convert images on texture_image_load for gekko

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Toad King 2014-02-18 18:20:23 -05:00
parent 1ffc247a7f
commit 518b53e21c
1 changed files with 94 additions and 2 deletions
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96
gfx/image.c
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@ -224,13 +224,105 @@ bool texture_image_load_argb_shift(const char *path, struct texture_image *out_i
#endif
#ifdef GEKKO
#define GX_BLIT_LINE_32(off) \
{ \
const uint16_t *tmp_src = src; \
uint16_t *tmp_dst = dst; \
for (unsigned x = 0; x < width2 >> 2; x += 8, tmp_src += 32, tmp_dst += 128) \
{ \
tmp_dst[ 0 + off] = tmp_src[0]; \
tmp_dst[ 16 + off] = tmp_src[1]; \
tmp_dst[ 1 + off] = tmp_src[2]; \
tmp_dst[ 17 + off] = tmp_src[3]; \
tmp_dst[ 2 + off] = tmp_src[4]; \
tmp_dst[ 18 + off] = tmp_src[5]; \
tmp_dst[ 3 + off] = tmp_src[6]; \
tmp_dst[ 19 + off] = tmp_src[7]; \
tmp_dst[ 32 + off] = tmp_src[8]; \
tmp_dst[ 48 + off] = tmp_src[9]; \
tmp_dst[ 33 + off] = tmp_src[10]; \
tmp_dst[ 49 + off] = tmp_src[11]; \
tmp_dst[ 34 + off] = tmp_src[12]; \
tmp_dst[ 50 + off] = tmp_src[13]; \
tmp_dst[ 35 + off] = tmp_src[14]; \
tmp_dst[ 51 + off] = tmp_src[15]; \
tmp_dst[ 64 + off] = tmp_src[16]; \
tmp_dst[ 80 + off] = tmp_src[17]; \
tmp_dst[ 65 + off] = tmp_src[18]; \
tmp_dst[ 81 + off] = tmp_src[19]; \
tmp_dst[ 66 + off] = tmp_src[20]; \
tmp_dst[ 82 + off] = tmp_src[21]; \
tmp_dst[ 67 + off] = tmp_src[22]; \
tmp_dst[ 83 + off] = tmp_src[23]; \
tmp_dst[ 96 + off] = tmp_src[24]; \
tmp_dst[112 + off] = tmp_src[25]; \
tmp_dst[ 97 + off] = tmp_src[26]; \
tmp_dst[113 + off] = tmp_src[27]; \
tmp_dst[ 98 + off] = tmp_src[28]; \
tmp_dst[114 + off] = tmp_src[29]; \
tmp_dst[ 99 + off] = tmp_src[30]; \
tmp_dst[115 + off] = tmp_src[31]; \
} \
src += tmp_pitch; \
}
static bool gx_convert_texture32(struct texture_image *image)
{
// memory allocation in libogc is extremely primitive so try to avoid gaps in memory when converting
// by copying over to temp buffer first then converting over into main buffer again
void *tmp = malloc(width * height * sizeof(uint32_t));
if (!tmp)
{
RARCH_ERR("Failed to create temp buffer for conversion.\n");
return false;
}
memcpy(tmp, image->pixels, image->width * image->height * sizeof(uint32_t));
unsigned tmp_pitch = (image->width * sizeof(uint32_t)) >> 1;
image->width &= ~3;
image->height &= ~3;
unsigned width2 = image->width << 1;
const uint16_t *src = (uint16_t *) tmp;
uint16_t *dst = (uint16_t *) image->pixels;
for (unsigned i = 0; i < image->height; i += 4, dst += 4 * width2)
{
GX_BLIT_LINE_32(0)
GX_BLIT_LINE_32(4)
GX_BLIT_LINE_32(8)
GX_BLIT_LINE_32(12)
}
free(tmp);
return true;
}
#endif
bool texture_image_load(const char *path, struct texture_image *out_img)
{
bool ret;
// This interface "leak" is very ugly. FIXME: Fix this properly ...
if (driver.gfx_use_rgba)
return texture_image_load_argb_shift(path, out_img, 24, 0, 8, 16);
ret = texture_image_load_argb_shift(path, out_img, 24, 0, 8, 16);
else
return texture_image_load_argb_shift(path, out_img, 24, 16, 8, 0);
ret = texture_image_load_argb_shift(path, out_img, 24, 16, 8, 0);
#ifdef GEKKO
if (ret)
{
if (!gx_convert_texture32(out_img))
{
texture_image_free(out_img);
ret = false;
}
}
#endif
return ret;
}
void texture_image_free(struct texture_image *img)