static pm4::Buffer *
allocateCommandBuffer()
{
if (gx2::internal::getMainCoreId() != coreinit::OSGetCoreId()) {
// Only the main core can have command buffers
gLog->warn("Tried to allocate command buffer on non-main graphics core");
return nullptr;
}
auto retiredTimestamp = GX2GetRetiredTimeStamp();
auto buffer = &gCommandBufferPool.items[gCommandBufferPool.itemsHead];
if (buffer->submitTime > retiredTimestamp) {
GX2WaitTimeStamp(buffer->submitTime);
}
buffer->userBuffer = false;
buffer->submitTime = 0;
buffer->curSize = 0;
buffer->maxSize = gCommandBufferPool.itemSize / 4;
buffer->buffer = gCommandBufferPool.base + buffer->maxSize * gCommandBufferPool.itemsHead;
gCommandBufferPool.itemsHead++;
if (gCommandBufferPool.itemsHead >= gCommandBufferPool.items.size()) {
gCommandBufferPool.itemsHead = 0;
}
return buffer;
}
static pm4::Buffer *
allocateCommandBuffer(uint32_t size)
{
// This is to ensure that only one command buffer is lease from our
// pool at any particular time.
decaf_check(!sBufferPoolLeased);
// Only the main core can have command buffers
if (gx2::internal::getMainCoreId() != coreinit::OSGetCoreId()) {
gLog->warn("Tried to allocate command buffer on non-main graphics core");
return nullptr;
}
// Lets try to get ourselves a buffer from the pool
uint32_t *allocatedBuffer = nullptr;
uint32_t allocatedSize = 0;
while (!allocatedBuffer) {
allocatedBuffer = allocateFromPool(size, allocatedSize);
if (!allocatedBuffer) {
// If we failed to allocate from the pool, lets wait till
// a buffer has been freed, and then try again
GX2WaitTimeStamp(GX2GetRetiredTimeStamp() + 1);
}
}
// We need to grab a buffer object to hold the info
auto cb = allocateBufferObj();
cb->displayList = false;
cb->submitTime = 0;
cb->curSize = 0;
cb->maxSize = allocatedSize;
cb->buffer = allocatedBuffer;
sBufferPoolLeased = true;
return cb;
}