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gpu_thread: Remove Async NVDEC placeholders

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This commit removes early placeholders for an implementation of async nvdec. With recent changes to the source code, the placeholders are no longer accurate, and can cause a nullptr dereference due to the nature of the cdma_pusher lifetime.
This commit is contained in:
ameerj 2021-02-28 22:03:00 -05:00
parent 9e9341f4b4
commit 52e9d7fa49
3 changed files with 8 additions and 26 deletions
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2
src/video_core/gpu.cpp
View file

@ -459,7 +459,7 @@ void GPU::ProcessSemaphoreAcquire() {
}
void GPU::Start() {
gpu_thread.StartThread(*renderer, renderer->Context(), *dma_pusher, *cdma_pusher);
gpu_thread.StartThread(*renderer, renderer->Context(), *dma_pusher);
cpu_context = renderer->GetRenderWindow().CreateSharedContext();
cpu_context->MakeCurrent();
}

13
src/video_core/gpu_thread.cpp
View file

@ -19,7 +19,7 @@ namespace VideoCommon::GPUThread {
/// Runs the GPU thread
static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
Core::Frontend::GraphicsContext& context, Tegra::DmaPusher& dma_pusher,
SynchState& state, Tegra::CDmaPusher& cdma_pusher) {
SynchState& state) {
std::string name = "yuzu:GPU";
MicroProfileOnThreadCreate(name.c_str());
SCOPE_EXIT({ MicroProfileOnThreadExit(); });
@ -46,9 +46,6 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
if (auto* submit_list = std::get_if<SubmitListCommand>(&next.data)) {
dma_pusher.Push(std::move(submit_list->entries));
dma_pusher.DispatchCalls();
} else if (auto* command_list = std::get_if<SubmitChCommandEntries>(&next.data)) {
// NVDEC
cdma_pusher.ProcessEntries(std::move(command_list->entries));
} else if (const auto* data = std::get_if<SwapBuffersCommand>(&next.data)) {
renderer.SwapBuffers(data->framebuffer ? &*data->framebuffer : nullptr);
} else if (std::holds_alternative<OnCommandListEndCommand>(next.data)) {
@ -83,20 +80,16 @@ ThreadManager::~ThreadManager() {
void ThreadManager::StartThread(VideoCore::RendererBase& renderer,
Core::Frontend::GraphicsContext& context,
Tegra::DmaPusher& dma_pusher, Tegra::CDmaPusher& cdma_pusher) {
Tegra::DmaPusher& dma_pusher) {
rasterizer = renderer.ReadRasterizer();
thread = std::thread(RunThread, std::ref(system), std::ref(renderer), std::ref(context),
std::ref(dma_pusher), std::ref(state), std::ref(cdma_pusher));
std::ref(dma_pusher), std::ref(state));
}
void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
PushCommand(SubmitListCommand(std::move(entries)));
}
void ThreadManager::SubmitCommandBuffer(Tegra::ChCommandHeaderList&& entries) {
PushCommand(SubmitChCommandEntries(std::move(entries)));
}
void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
PushCommand(SwapBuffersCommand(framebuffer ? std::make_optional(*framebuffer) : std::nullopt));
}

19
src/video_core/gpu_thread.h
View file

@ -43,14 +43,6 @@ struct SubmitListCommand final {
Tegra::CommandList entries;
};
/// Command to signal to the GPU thread that a cdma command list is ready for processing
struct SubmitChCommandEntries final {
explicit SubmitChCommandEntries(Tegra::ChCommandHeaderList&& entries_)
: entries{std::move(entries_)} {}
Tegra::ChCommandHeaderList entries;
};
/// Command to signal to the GPU thread that a swap buffers is pending
struct SwapBuffersCommand final {
explicit SwapBuffersCommand(std::optional<const Tegra::FramebufferConfig> framebuffer_)
@ -91,9 +83,9 @@ struct OnCommandListEndCommand final {};
struct GPUTickCommand final {};
using CommandData =
std::variant<EndProcessingCommand, SubmitListCommand, SubmitChCommandEntries,
SwapBuffersCommand, FlushRegionCommand, InvalidateRegionCommand,
FlushAndInvalidateRegionCommand, OnCommandListEndCommand, GPUTickCommand>;
std::variant<EndProcessingCommand, SubmitListCommand, SwapBuffersCommand, FlushRegionCommand,
InvalidateRegionCommand, FlushAndInvalidateRegionCommand, OnCommandListEndCommand,
GPUTickCommand>;
struct CommandDataContainer {
CommandDataContainer() = default;
@ -123,14 +115,11 @@ public:
/// Creates and starts the GPU thread.
void StartThread(VideoCore::RendererBase& renderer, Core::Frontend::GraphicsContext& context,
Tegra::DmaPusher& dma_pusher, Tegra::CDmaPusher& cdma_pusher);
Tegra::DmaPusher& dma_pusher);
/// Push GPU command entries to be processed
void SubmitList(Tegra::CommandList&& entries);
/// Push GPU CDMA command buffer entries to be processed
void SubmitCommandBuffer(Tegra::ChCommandHeaderList&& entries);
/// Swap buffers (render frame)
void SwapBuffers(const Tegra::FramebufferConfig* framebuffer);