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nvflinger: Create layers when they are queried but not found

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Fixes Shantae softlock on boot.
This commit is contained in:
ameerj 2021-05-06 11:20:52 -04:00
parent 260b841dc3
commit da62e92784
2 changed files with 35 additions and 5 deletions
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30
src/core/hle/service/nvflinger/nvflinger.cpp
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@ -139,11 +139,15 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
}
const u64 layer_id = next_layer_id++;
CreateLayerAtId(*display, layer_id);
return layer_id;
}
void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
const u32 buffer_queue_id = next_buffer_queue_id++;
buffer_queues.emplace_back(
std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id));
display->CreateLayer(layer_id, *buffer_queues.back());
return layer_id;
display.CreateLayer(layer_id, *buffer_queues.back());
}
void NVFlinger::CloseLayer(u64 layer_id) {
@ -154,9 +158,9 @@ void NVFlinger::CloseLayer(u64 layer_id) {
}
}
std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) const {
std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) {
const auto lock_guard = Lock();
const auto* const layer = FindLayer(display_id, layer_id);
const auto* const layer = FindOrCreateLayer(display_id, layer_id);
if (layer == nullptr) {
return std::nullopt;
@ -232,6 +236,24 @@ const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
return display->FindLayer(layer_id);
}
VI::Layer* NVFlinger::FindOrCreateLayer(u64 display_id, u64 layer_id) {
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
return nullptr;
}
auto* layer = display->FindLayer(layer_id);
if (layer == nullptr) {
LOG_DEBUG(Service, "Layer at id {} not found. Trying to create it.", layer_id);
CreateLayerAtId(*display, layer_id);
return display->FindLayer(layer_id);
}
return layer;
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing