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DS GX: Fix depth test scaling

This commit is contained in:
Vicki Pfau 2020-07-28 16:03:10 -07:00
parent 656c3001ad
commit 2d8378ae95
2 changed files with 5 additions and 4 deletions
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1
CHANGES
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@ -21,6 +21,7 @@ Bugfixes:
- DS GX: Mask off invalid bits of the palette base
- DS: Properly close save file on close
- DS Video: Fix size of VRAM zeroes buffer
- DS GX: Fix depth test scaling
Misc:
- DS GX: Clean up and unify texture mapping
- DS Core: Add symbol loading

8
src/ds/gx/software.c
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@ -478,7 +478,7 @@ static void _preparePoly(struct DSGXRenderer* renderer, struct DSGXVertex* verts
poly->texBase = &renderer->tex[DSGXTexParamsGetVRAMBase(poly->poly->texParams) >> VRAM_BLOCK_OFFSET][(DSGXTexParamsGetVRAMBase(poly->poly->texParams) << 2) & 0xFFFF];
switch (poly->texFormat) {
case 0:
poly->texBase = NULL;
poly->texBase = NULL;
break;
case 2:
if (renderer->texPal[poly->poly->palBase >> 11]) {
@ -648,7 +648,7 @@ static void _drawSpan(struct DSGXSoftwareRenderer* softwareRenderer, struct DSGX
stencilValue |= S_BIT_SHADOW;
}
for (; x < (span->ep[1].coord[0] >> 12) && x < DS_VIDEO_HORIZONTAL_PIXELS; ++x) {
if (span->ep[0].coord[softwareRenderer->sort] < depth[x]) {
if ((span->ep[0].coord[softwareRenderer->sort] >> 4) < depth[x]) {
_resolveEndpoint(span);
color_t color = _lookupColor(softwareRenderer, &span->ep[0], span->poly);
unsigned a = color >> 27;
@ -661,7 +661,7 @@ static void _drawSpan(struct DSGXSoftwareRenderer* softwareRenderer, struct DSGX
}
if (a == 0x1F) {
// Opaque blending
depth[x] = span->ep[0].coord[softwareRenderer->sort];
depth[x] = span->ep[0].coord[softwareRenderer->sort] >> 4;
scanline[x] = color;
stencil[x] &= S_BIT_POLY_ID;
stencil[x] |= s & S_BIT_POLY_SHADOW_ID;
@ -675,7 +675,7 @@ static void _drawSpan(struct DSGXSoftwareRenderer* softwareRenderer, struct DSGX
if ((stencil[x] ^ s) & S_BIT_POLY_ID) {
if (!(s & S_BIT_SHADOW) || (((stencil[x] ^ s) & S_BIT_POLY_SHADOW_ID) && s & S_BIT_POLY_SHADOW_ID && stencil[x] & S_BIT_SHADOW)) {
if (DSGXPolygonAttrsIsUpdateDepth(span->poly->poly->polyParams)) {
depth[x] = span->ep[0].coord[softwareRenderer->sort];
depth[x] = span->ep[0].coord[softwareRenderer->sort] >> 4;
}
scanline[x] = color;
stencil[x] &= S_BIT_POLY_SHADOW_ID;