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Merge pull request #12905 from liamwhite/hwc-release

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nvnflinger: release buffers before presentation sleep
This commit is contained in:
Charles Lombardo 2024-02-05 13:43:22 -05:00 committed by GitHub
commit a2f23746c2
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3 changed files with 27 additions and 28 deletions
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50
src/core/hle/service/nvnflinger/hardware_composer.cpp
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@ -7,7 +7,6 @@
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
#include "core/hle/service/nvnflinger/buffer_item.h"
#include "core/hle/service/nvnflinger/buffer_item_consumer.h"
#include "core/hle/service/nvnflinger/buffer_queue_producer.h"
#include "core/hle/service/nvnflinger/hardware_composer.h"
#include "core/hle/service/nvnflinger/hwc_layer.h"
#include "core/hle/service/nvnflinger/ui/graphic_buffer.h"
@ -46,31 +45,9 @@ HardwareComposer::HardwareComposer() = default;
HardwareComposer::~HardwareComposer() = default;
u32 HardwareComposer::ComposeLocked(f32* out_speed_scale, VI::Display& display,
Nvidia::Devices::nvdisp_disp0& nvdisp, u32 frame_advance) {
Nvidia::Devices::nvdisp_disp0& nvdisp) {
boost::container::small_vector<HwcLayer, 2> composition_stack;
m_frame_number += frame_advance;
// Release any necessary framebuffers.
for (auto& [layer_id, framebuffer] : m_framebuffers) {
if (framebuffer.release_frame_number > m_frame_number) {
// Not yet ready to release this framebuffer.
continue;
}
if (!framebuffer.is_acquired) {
// Already released.
continue;
}
if (auto* layer = display.FindLayer(layer_id); layer != nullptr) {
// TODO: support release fence
// This is needed to prevent screen tearing
layer->GetConsumer().ReleaseBuffer(framebuffer.item, android::Fence::NoFence());
framebuffer.is_acquired = false;
}
}
// Set default speed limit to 100%.
*out_speed_scale = 1.0f;
@ -142,7 +119,30 @@ u32 HardwareComposer::ComposeLocked(f32* out_speed_scale, VI::Display& display,
MicroProfileFlip();
// Advance by at least one frame.
return swap_interval.value_or(1);
const u32 frame_advance = swap_interval.value_or(1);
m_frame_number += frame_advance;
// Release any necessary framebuffers.
for (auto& [layer_id, framebuffer] : m_framebuffers) {
if (framebuffer.release_frame_number > m_frame_number) {
// Not yet ready to release this framebuffer.
continue;
}
if (!framebuffer.is_acquired) {
// Already released.
continue;
}
if (auto* layer = display.FindLayer(layer_id); layer != nullptr) {
// TODO: support release fence
// This is needed to prevent screen tearing
layer->GetConsumer().ReleaseBuffer(framebuffer.item, android::Fence::NoFence());
framebuffer.is_acquired = false;
}
}
return frame_advance;
}
void HardwareComposer::RemoveLayerLocked(VI::Display& display, LayerId layer_id) {

2
src/core/hle/service/nvnflinger/hardware_composer.h
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@ -27,7 +27,7 @@ public:
~HardwareComposer();
u32 ComposeLocked(f32* out_speed_scale, VI::Display& display,
Nvidia::Devices::nvdisp_disp0& nvdisp, u32 frame_advance);
Nvidia::Devices::nvdisp_disp0& nvdisp);
void RemoveLayerLocked(VI::Display& display, LayerId layer_id);
private:

3
src/core/hle/service/nvnflinger/nvnflinger.cpp
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@ -291,8 +291,7 @@ void Nvnflinger::Compose() {
auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>(disp_fd);
ASSERT(nvdisp);
swap_interval = display.GetComposer().ComposeLocked(&compose_speed_scale, display, *nvdisp,
swap_interval);
swap_interval = display.GetComposer().ComposeLocked(&compose_speed_scale, display, *nvdisp);
}
}