service/vi/vi_layer: Convert Layer struct into a class

Like the previous changes made to the Display struct, this prepares the
Layer struct for changes to its interface. Given Layer will be given
more invariants in the future, we convert it into a class to better
signify that.
This commit is contained in:
Lioncash 2019-02-21 10:56:20 -05:00
parent fa4dc2cf42
commit fd15730767
6 changed files with 43 additions and 10 deletions

View file

@ -91,7 +91,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
return {};
}
return layer->buffer_queue->GetId();
return layer->GetBufferQueue().GetId();
}
Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_id) const {
@ -167,10 +167,10 @@ void NVFlinger::Compose() {
// TODO(Subv): Support more than 1 layer.
VI::Layer& layer = display.GetLayer(0);
auto& buffer_queue = layer.buffer_queue;
auto& buffer_queue = layer.GetBufferQueue();
// Search for a queued buffer and acquire it
auto buffer = buffer_queue->AcquireBuffer();
auto buffer = buffer_queue.AcquireBuffer();
MicroProfileFlip();
@ -195,7 +195,7 @@ void NVFlinger::Compose() {
igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride,
buffer->get().transform, buffer->get().crop_rect);
buffer_queue->ReleaseBuffer(buffer->get().slot);
buffer_queue.ReleaseBuffer(buffer->get().slot);
}
}

View file

@ -29,7 +29,7 @@ class Module;
namespace Service::VI {
class Display;
struct Layer;
class Layer;
} // namespace Service::VI
namespace Service::NVFlinger {

View file

@ -48,7 +48,7 @@ void Display::CreateLayer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> buffer
Layer* Display::FindLayer(u64 id) {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.id == id; });
[id](const VI::Layer& layer) { return layer.GetID() == id; });
if (itr == layers.end()) {
return nullptr;
@ -59,7 +59,7 @@ Layer* Display::FindLayer(u64 id) {
const Layer* Display::FindLayer(u64 id) const {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.id == id; });
[id](const VI::Layer& layer) { return layer.GetID() == id; });
if (itr == layers.end()) {
return nullptr;

View file

@ -16,7 +16,7 @@ class BufferQueue;
namespace Service::VI {
struct Layer;
class Layer;
/// Represents a single display type
class Display {

View file

@ -2,12 +2,16 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "core/hle/service/vi/layer/vi_layer.h"
namespace Service::VI {
Layer::Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue)
: id{id}, buffer_queue{std::move(queue)} {}
: id{id}, buffer_queue{std::move(queue)}
{
ASSERT_MSG(buffer_queue != nullptr, "buffer_queue may not be null.");
}
Layer::~Layer() = default;

View file

@ -14,10 +14,39 @@ class BufferQueue;
namespace Service::VI {
struct Layer {
/// Represents a single display layer.
class Layer {
public:
/// Constructs a layer with a given ID and buffer queue.
///
/// @param id The ID to assign to this layer.
/// @param queue The buffer queue for this layer to use.
///
Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue);
~Layer();
Layer(const Layer&) = delete;
Layer& operator=(const Layer&) = delete;
Layer(Layer&&) = default;
Layer& operator=(Layer&&) = default;
/// Gets the ID for this layer.
u64 GetID() const {
return id;
}
/// Gets a reference to the buffer queue this layer is using.
NVFlinger::BufferQueue& GetBufferQueue() {
return *buffer_queue;
}
/// Gets a const reference to the buffer queue this layer is using.
const NVFlinger::BufferQueue& GetBufferQueue() const {
return *buffer_queue;
}
private:
u64 id;
std::shared_ptr<NVFlinger::BufferQueue> buffer_queue;
};