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DS GX: Fix unmapped slot 1 for compressed textures

This commit is contained in:
Vicki Pfau 2017-03-20 14:02:51 -07:00
parent 78b6125952
commit 9b29344a87
1 changed files with 3 additions and 1 deletions
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4
src/ds/gx/software.c
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@ -177,7 +177,9 @@ static color_t _lookupColor(struct DSGXSoftwareRenderer* renderer, struct DSGXSo
uint8_t r, g, b;
unsigned wr, wg, wb, wa;
if (poly->texFormat == 5) {
// TODO: Slot 2 uses upper half
if (!renderer->d.tex[1]) {
return 0;
}
uint16_t half = DSGXTexParamsGetVRAMBase(poly->poly->texParams) & 0x8000;
uint32_t slot1Base = (DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 1) + (texelCoord >> 2) + half;
uint16_t texel2 = renderer->d.tex[1][slot1Base];