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DS GX: Texture mode 2

This commit is contained in:
Vicki Pfau 2017-03-02 01:07:38 -08:00
parent 908b0a425e
commit 61a4cc5d23
1 changed files with 11 additions and 2 deletions
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13
src/ds/gx/software.c
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@ -82,10 +82,15 @@ static color_t _lookupColor(struct DSGXSoftwareEndpoint* ep, struct DSGXSoftware
case 1:
return _finishColor(0, 0, 0x3F);
case 2:
return _finishColor(0, 0x3F, 0);
texel = ((uint8_t*) poly->texBase)[texelCoord >> 2];
if (texelCoord & 0x3) {
texel >>= 2 * texel & 3;
}
texel &= 0x3;
break;
case 3:
texel = ((uint8_t*) poly->texBase)[texelCoord >> 1];
if ((ep->s >> 4) & 0x1) {
if (texelCoord & 0x1) {
texel >>= 4;
}
texel &= 0xF;
@ -272,6 +277,10 @@ static void DSGXSoftwareRendererSetRAM(struct DSGXRenderer* renderer, struct DSG
poly->texBase = NULL;
poly->palBase = NULL;
break;
case 2:
poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
poly->palBase = &renderer->texPal[poly->poly->palBase >> 12][(poly->poly->palBase << 2) & 0x1FFF];
break;
default:
poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
poly->palBase = &renderer->texPal[poly->poly->palBase >> 11][(poly->poly->palBase << 3) & 0x1FFF];