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examples: Fix alpha configuration of 3dsprites/alpha

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The backdrop needs to be added to the destination layers. If not,
transparent pixels in the backgrounds won't have correct alpha blending.
This commit is contained in:
Antonio Niño Díaz 2023-05-20 12:44:56 +01:00
parent 25511c82dd
commit eb91123a9a
1 changed files with 3 additions and 1 deletions
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4
examples/3dsprites/alpha/source/main.c
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@ -56,7 +56,9 @@ int main(int argc, char **argv)
NF_CreateTiledBg(0, 3, "bg3");
// Enable alpha blending between 3D sprites over 3D backgrounds
REG_BLDCNT = BLEND_ALPHA | BLEND_SRC_BG0 | BLEND_DST_BG1 | BLEND_DST_BG2 | BLEND_DST_BG3;
REG_BLDCNT = BLEND_ALPHA
| BLEND_SRC_BG0
| BLEND_DST_BG1 | BLEND_DST_BG2 | BLEND_DST_BG3 | BLEND_DST_BACKDROP;
// Variables
s16 x[MAXSPRITES];