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DS GX: Fix offscreen vertices

This commit is contained in:
Vicki Pfau 2017-03-01 11:16:30 -08:00
parent 2609c362db
commit 4061d4d39c
1 changed files with 5 additions and 5 deletions
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10
src/ds/gx/software.c
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@ -262,7 +262,7 @@ static void DSGXSoftwareRendererDrawScanline(struct DSGXRenderer* renderer, int
struct DSGXSoftwareRenderer* softwareRenderer = (struct DSGXSoftwareRenderer*) renderer;
DSGXSoftwareSpanListClear(&softwareRenderer->activeSpans);
memset(softwareRenderer->bucket, 0, sizeof(*softwareRenderer->bucket) * DS_GX_POLYGON_BUFFER_SIZE);
size_t i;
int i;
for (i = DSGXSoftwareEdgeListSize(&softwareRenderer->activeEdges); i; --i) {
size_t idx = i - 1;
struct DSGXSoftwareEdge* edge = DSGXSoftwareEdgeListGetPointer(&softwareRenderer->activeEdges, idx);
@ -294,7 +294,7 @@ static void DSGXSoftwareRendererDrawScanline(struct DSGXRenderer* renderer, int
y %= 48;
color_t* scanline = &softwareRenderer->scanlineCache[DS_VIDEO_HORIZONTAL_PIXELS * y];
size_t nextSpanX = DS_VIDEO_HORIZONTAL_PIXELS;
int nextSpanX = DS_VIDEO_HORIZONTAL_PIXELS;
if (DSGXSoftwareSpanListSize(&softwareRenderer->activeSpans)) {
nextSpanX = DSGXSoftwareSpanListGetPointer(&softwareRenderer->activeSpans, DSGXSoftwareSpanListSize(&softwareRenderer->activeSpans) - 1)->ep[0].x;
nextSpanX >>= 12;
@ -306,7 +306,7 @@ static void DSGXSoftwareRendererDrawScanline(struct DSGXRenderer* renderer, int
if (i >= nextSpanX) {
size_t nextSpanId = DSGXSoftwareSpanListSize(&softwareRenderer->activeSpans);
span = DSGXSoftwareSpanListGetPointer(&softwareRenderer->activeSpans, nextSpanId - 1);
while (i > (uint32_t) (span->ep[1].x >> 12)) {
while (i > (span->ep[1].x >> 12) || !span->ep[1].x) {
DSGXSoftwareSpanListShift(&softwareRenderer->activeSpans, nextSpanId - 1, 1);
--nextSpanId;
if (!nextSpanId) {
@ -321,8 +321,8 @@ static void DSGXSoftwareRendererDrawScanline(struct DSGXRenderer* renderer, int
span = NULL;
} else {
struct DSGXSoftwareSpan* testSpan = DSGXSoftwareSpanListGetPointer(&softwareRenderer->activeSpans, nextSpanId - 1);
while (i > (uint32_t) (testSpan->ep[0].x >> 12)) {
if (i <= (uint32_t) (testSpan->ep[1].x >> 12)) {
while (i > (testSpan->ep[0].x >> 12)) {
if (i <= (testSpan->ep[1].x >> 12)) {
_lerpEndpoint(testSpan, &ep, i);
if (ep.w > depth) {
depth = ep.w;