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DS GX: Minor FIFO fixes

This commit is contained in:
Vicki Pfau 2017-03-29 12:22:02 -07:00
parent a98a302131
commit e60013ec93
1 changed files with 20 additions and 4 deletions
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24
src/ds/gx.c
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@ -527,14 +527,15 @@ static void _emitVertex(struct DSGX* gx, uint16_t x, uint16_t y, uint16_t z) {
static void _flushOutstanding(struct DSGX* gx) {
if (gx->p->cpuBlocked & DS_CPU_BLOCK_GX) {
gx->p->cpuBlocked &= ~DS_CPU_BLOCK_GX;
DSGXWriteFIFO(gx, gx->outstandingEntry);
struct DSGXEntry entry = gx->outstandingEntry;
gx->outstandingEntry.command = 0;
DSGXWriteFIFO(gx, entry);
}
while (gx->outstandingCommand[0] && !gx->outstandingParams[0]) {
DSGXWriteFIFO(gx, (struct DSGXEntry) { 0 });
if (CircleBufferSize(&gx->fifo) == (DS_GX_FIFO_SIZE * sizeof(struct DSGXEntry))) {
if (gx->p->cpuBlocked & DS_CPU_BLOCK_GX) {
return;
}
DSGXWriteFIFO(gx, (struct DSGXEntry) { gx->outstandingCommand[0] });
}
}
@ -1352,6 +1353,21 @@ static void DSGXUnpackCommand(struct DSGX* gx, uint32_t command) {
if (gx->outstandingCommand[3] >= DS_GX_CMD_MAX) {
gx->outstandingCommand[3] = 0;
}
if (!_gxCommandCycleBase[gx->outstandingCommand[0]]) {
gx->outstandingCommand[0] = gx->outstandingCommand[1];
gx->outstandingCommand[1] = gx->outstandingCommand[2];
gx->outstandingCommand[2] = gx->outstandingCommand[3];
gx->outstandingCommand[3] = 0;
}
if (!_gxCommandCycleBase[gx->outstandingCommand[1]]) {
gx->outstandingCommand[1] = gx->outstandingCommand[2];
gx->outstandingCommand[2] = gx->outstandingCommand[3];
gx->outstandingCommand[3] = 0;
}
if (!_gxCommandCycleBase[gx->outstandingCommand[2]]) {
gx->outstandingCommand[2] = gx->outstandingCommand[3];
gx->outstandingCommand[3] = 0;
}
gx->outstandingParams[0] = _gxCommandParams[gx->outstandingCommand[0]];
gx->outstandingParams[1] = _gxCommandParams[gx->outstandingCommand[1]];
gx->outstandingParams[2] = _gxCommandParams[gx->outstandingCommand[2]];
@ -1363,7 +1379,7 @@ static void DSGXUnpackCommand(struct DSGX* gx, uint32_t command) {
static void DSGXWriteFIFO(struct DSGX* gx, struct DSGXEntry entry) {
if (CircleBufferSize(&gx->fifo) == (DS_GX_FIFO_SIZE * sizeof(entry))) {
mLOG(DS_GX, INFO, "FIFO full");
if (gx->p->cpuBlocked & DS_CPU_BLOCK_GX) {
while (gx->p->cpuBlocked & DS_CPU_BLOCK_GX) {
// Can happen from STM
mTimingDeschedule(&gx->p->ds9.timing, &gx->fifoEvent);
_fifoRun(&gx->p->ds9.timing, gx, 0);