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DS GX: Ensure palBase is non-null

This commit is contained in:
Vicki Pfau 2017-04-06 15:29:01 -07:00
parent 0bdf30f650
commit c24f31d2a7
1 changed files with 14 additions and 10 deletions
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24
src/ds/gx/software.c
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@ -94,6 +94,9 @@ static color_t _lookupColor(struct DSGXSoftwareRenderer* renderer, struct DSGXSo
if (!poly->texBase && poly->texFormat) {
return 0;
}
if (!poly->palBase && poly->texFormat && poly->texFormat != 7) {
return 0;
}
// TODO: Optimize
uint16_t texel;
@ -450,22 +453,23 @@ static void _preparePoly(struct DSGXRenderer* renderer, struct DSGXVertex* verts
poly->blendFormat = DSGXPolygonAttrsGetMode(poly->polyParams);
poly->texW = 8 << DSGXTexParamsGetSSize(poly->texParams);
poly->texH = 8 << DSGXTexParamsGetTSize(poly->texParams);
if (!renderer->tex[DSGXTexParamsGetVRAMBase(poly->texParams) >> VRAM_BLOCK_OFFSET]) {
poly->texBase = NULL;
poly->palBase = NULL;
} else {
poly->texBase = NULL;
poly->palBase = NULL;
if (renderer->tex[DSGXTexParamsGetVRAMBase(poly->texParams) >> VRAM_BLOCK_OFFSET]) {
switch (poly->texFormat) {
case 0:
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 >> 11][(poly->poly->palBase << 2) & 0x1FFF];
if (renderer->texPal[poly->poly->palBase >> 11]) {
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 << 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 >> 10][(poly->poly->palBase << 3) & 0x1FFF];
if (renderer->texPal[poly->poly->palBase >> 10]) {
poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
poly->palBase = &renderer->texPal[poly->poly->palBase >> 10][(poly->poly->palBase << 3) & 0x1FFF];
}
break;
}
}