pm4::Buffer *
flushCommandBuffer(pm4::Buffer *cb)
{
auto core = coreinit::OSGetCoreId();
if (!cb) {
cb = gActiveBuffer[core];
} else if (cb != gActiveBuffer[core]) {
throw std::logic_error("Attempting to flush non-active buffer");
}
if (!cb) {
return nullptr;
}
if (cb->userBuffer) {
void *newList = nullptr;
uint32_t newSize = 0;
// End the active display list
GX2EndDisplayList(cb->buffer);
// Ask user to allocate new display list
std::tie(newList, newSize) = displayListOverrun(cb->buffer, cb->curSize * 4);
if (!newList || !newSize) {
throw std::logic_error("Unable to handle display list overrun");
}
// Begin new display list, it will update gActiveBuffer
GX2BeginDisplayList(newList, newSize);
} else {
// Send buffer to our driver!
gpu::queueCommandBuffer(cb);
// Allocate new buffer
gActiveBuffer[core] = allocateCommandBuffer();
}
return gActiveBuffer[core];
}
pm4::Buffer *
flushCommandBuffer(uint32_t neededSize)
{
auto core = coreinit::OSGetCoreId();
auto cb = sActiveBuffer[core];
decaf_check(cb);
if (cb->displayList) {
void *newList = nullptr;
uint32_t newSize = 0;
// End the active display list
padCommandBuffer(cb);
// Ask user to allocate new display list
std::tie(newList, newSize) = displayListOverrun(cb->buffer, cb->curSize * 4, neededSize * 4);
if (!newList || !newSize) {
decaf_abort("Unable to handle display list overrun");
}
// Record the new information returned from the application
cb->buffer = reinterpret_cast<uint32_t *>(newList);
cb->curSize = 0;
cb->maxSize = newSize / 4;
return cb;
}
// Flush the existing buffer
flushActiveCommandBuffer();
// Allocate new buffer
sActiveBuffer[core] = allocateCommandBuffer(neededSize);
return sActiveBuffer[core];
}
