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-rw-r--r--Kernel/Graphics/FramebufferDevice.cpp11
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp147
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h40
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp12
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOGPU.h2
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp2
-rw-r--r--Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp1
7 files changed, 149 insertions, 66 deletions
diff --git a/Kernel/Graphics/FramebufferDevice.cpp b/Kernel/Graphics/FramebufferDevice.cpp
index c77dd4b2e7..15672485aa 100644
--- a/Kernel/Graphics/FramebufferDevice.cpp
+++ b/Kernel/Graphics/FramebufferDevice.cpp
@@ -215,6 +215,17 @@ int FramebufferDevice::ioctl(FileDescription&, unsigned request, FlatPtr arg)
return -EFAULT;
return 0;
}
+ case FB_IOCTL_GET_BUFFER_OFFSET: {
+ FBBufferOffset buffer_offset;
+ if (!copy_from_user(&buffer_offset, (FBBufferOffset*)arg))
+ return -EFAULT;
+ if (buffer_offset.buffer_index != 0 && buffer_offset.buffer_index != 1)
+ return -EINVAL;
+ buffer_offset.offset = (size_t)buffer_offset.buffer_index * m_framebuffer_pitch * m_framebuffer_height;
+ if (!copy_to_user((FBBufferOffset*)arg, &buffer_offset))
+ return -EFAULT;
+ return 0;
+ }
case FB_IOCTL_FLUSH_BUFFERS:
return -ENOTSUP;
default:
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp
index 1b6d67e1f2..6e8bbce64d 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.cpp
@@ -15,10 +15,8 @@ VirtIOFrameBufferDevice::VirtIOFrameBufferDevice(VirtIOGPU& virtio_gpu, VirtIOGP
, m_gpu(virtio_gpu)
, m_scanout(scanout)
{
- if (display_info().enabled) {
- Locker locker(m_gpu.operation_lock());
+ if (display_info().enabled)
create_framebuffer();
- }
}
VirtIOFrameBufferDevice::~VirtIOFrameBufferDevice()
@@ -27,39 +25,53 @@ VirtIOFrameBufferDevice::~VirtIOFrameBufferDevice()
void VirtIOFrameBufferDevice::create_framebuffer()
{
- auto& info = display_info();
-
- size_t buffer_length = page_round_up(calculate_framebuffer_size(info.rect.width, info.rect.height));
-
// First delete any existing framebuffers to free the memory first
m_framebuffer = nullptr;
m_framebuffer_sink_vmobject = nullptr;
- // 1. Allocate frame buffer
- m_framebuffer = MM.allocate_kernel_region(buffer_length, String::formatted("VirtGPU FrameBuffer #{}", m_scanout.value()), Region::Access::Read | Region::Access::Write, AllocationStrategy::AllocateNow);
+ // Allocate frame buffer for both front and back
+ auto& info = display_info();
+ m_buffer_size = calculate_framebuffer_size(info.rect.width, info.rect.height);
+ m_framebuffer = MM.allocate_kernel_region(m_buffer_size * 2, String::formatted("VirtGPU FrameBuffer #{}", m_scanout.value()), Region::Access::Read | Region::Access::Write, AllocationStrategy::AllocateNow);
auto write_sink_page = MM.allocate_user_physical_page(MemoryManager::ShouldZeroFill::No).release_nonnull();
auto num_needed_pages = m_framebuffer->vmobject().page_count();
+
NonnullRefPtrVector<PhysicalPage> pages;
for (auto i = 0u; i < num_needed_pages; ++i) {
pages.append(write_sink_page);
}
m_framebuffer_sink_vmobject = AnonymousVMObject::create_with_physical_pages(move(pages));
- // 2. Create BUFFER using VIRTIO_GPU_CMD_RESOURCE_CREATE_2D
- if (m_resource_id.value() != 0)
- m_gpu.delete_resource(m_resource_id);
- m_resource_id = m_gpu.create_2d_resource(info.rect);
-
- // 3. Attach backing storage using VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING
- m_gpu.ensure_backing_storage(*m_framebuffer, buffer_length, m_resource_id);
- // 4. Use VIRTIO_GPU_CMD_SET_SCANOUT to link the framebuffer to a display scanout.
- m_gpu.set_scanout_resource(m_scanout.value(), m_resource_id, info.rect);
- // 5. Render our test pattern
- draw_ntsc_test_pattern();
- // 6. Use VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D to update the host resource from guest memory.
- transfer_framebuffer_data_to_host(info.rect);
- // 7. Use VIRTIO_GPU_CMD_RESOURCE_FLUSH to flush the updated resource to the display.
- flush_displayed_image(info.rect);
+ Locker locker(m_gpu.operation_lock());
+ m_current_buffer = &buffer_from_index(m_last_set_buffer_index.load());
+ create_buffer(m_main_buffer, 0, m_buffer_size);
+ create_buffer(m_back_buffer, m_buffer_size, m_buffer_size);
+}
+
+void VirtIOFrameBufferDevice::create_buffer(Buffer& buffer, size_t framebuffer_offset, size_t framebuffer_size)
+{
+ buffer.framebuffer_offset = framebuffer_offset;
+ buffer.framebuffer_data = m_framebuffer->vaddr().as_ptr() + framebuffer_offset;
+
+ auto& info = display_info();
+
+ // 1. Create BUFFER using VIRTIO_GPU_CMD_RESOURCE_CREATE_2D
+ if (buffer.resource_id.value() != 0)
+ m_gpu.delete_resource(buffer.resource_id);
+ buffer.resource_id = m_gpu.create_2d_resource(info.rect);
+
+ // 2. Attach backing storage using VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING
+ m_gpu.ensure_backing_storage(*m_framebuffer, buffer.framebuffer_offset, framebuffer_size, buffer.resource_id);
+ // 3. Use VIRTIO_GPU_CMD_SET_SCANOUT to link the framebuffer to a display scanout.
+ if (&buffer == m_current_buffer)
+ m_gpu.set_scanout_resource(m_scanout.value(), buffer.resource_id, info.rect);
+ // 4. Render our test pattern
+ draw_ntsc_test_pattern(buffer);
+ // 5. Use VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D to update the host resource from guest memory.
+ transfer_framebuffer_data_to_host(info.rect, buffer);
+ // 6. Use VIRTIO_GPU_CMD_RESOURCE_FLUSH to flush the updated resource to the display.
+ if (&buffer == m_current_buffer)
+ flush_displayed_image(info.rect, buffer);
info.enabled = 1;
}
@@ -74,25 +86,19 @@ VirtIOGPURespDisplayInfo::VirtIOGPUDisplayOne& VirtIOFrameBufferDevice::display_
return m_gpu.display_info(m_scanout);
}
-size_t VirtIOFrameBufferDevice::size_in_bytes() const
-{
- auto& info = display_info();
- return info.rect.width * info.rect.height * sizeof(u32);
-}
-
-void VirtIOFrameBufferDevice::flush_dirty_window(VirtIOGPURect const& dirty_rect)
+void VirtIOFrameBufferDevice::transfer_framebuffer_data_to_host(VirtIOGPURect const& rect, Buffer& buffer)
{
- m_gpu.flush_dirty_window(m_scanout, dirty_rect, m_resource_id);
+ m_gpu.transfer_framebuffer_data_to_host(m_scanout, rect, buffer.resource_id);
}
-void VirtIOFrameBufferDevice::transfer_framebuffer_data_to_host(VirtIOGPURect const& rect)
+void VirtIOFrameBufferDevice::flush_dirty_window(VirtIOGPURect const& dirty_rect, Buffer& buffer)
{
- m_gpu.transfer_framebuffer_data_to_host(m_scanout, rect, m_resource_id);
+ m_gpu.flush_dirty_window(m_scanout, dirty_rect, buffer.resource_id);
}
-void VirtIOFrameBufferDevice::flush_displayed_image(VirtIOGPURect const& dirty_rect)
+void VirtIOFrameBufferDevice::flush_displayed_image(VirtIOGPURect const& dirty_rect, Buffer& buffer)
{
- m_gpu.flush_displayed_image(dirty_rect, m_resource_id);
+ m_gpu.flush_displayed_image(dirty_rect, buffer.resource_id);
}
bool VirtIOFrameBufferDevice::try_to_set_resolution(size_t width, size_t height)
@@ -114,13 +120,23 @@ bool VirtIOFrameBufferDevice::try_to_set_resolution(size_t width, size_t height)
return true;
}
+void VirtIOFrameBufferDevice::set_buffer(int buffer_index)
+{
+ auto& buffer = buffer_index == 0 ? m_main_buffer : m_back_buffer;
+ Locker locker(m_gpu.operation_lock());
+ if (&buffer == m_current_buffer)
+ return;
+ m_current_buffer = &buffer;
+ m_gpu.set_scanout_resource(m_scanout.value(), buffer.resource_id, display_info().rect);
+}
+
int VirtIOFrameBufferDevice::ioctl(FileDescription&, unsigned request, FlatPtr arg)
{
REQUIRE_PROMISE(video);
switch (request) {
case FB_IOCTL_GET_SIZE_IN_BYTES: {
auto* out = (size_t*)arg;
- size_t value = size_in_bytes();
+ size_t value = m_buffer_size * 2;
if (!copy_to_user(out, &value))
return -EFAULT;
return 0;
@@ -147,30 +163,55 @@ int VirtIOFrameBufferDevice::ioctl(FileDescription&, unsigned request, FlatPtr a
return -EFAULT;
return 0;
}
+ case FB_IOCTL_SET_BUFFER: {
+ auto buffer_index = (int)arg;
+ if (!is_valid_buffer_index(buffer_index))
+ return -EINVAL;
+ if (m_last_set_buffer_index.exchange(buffer_index) != buffer_index && m_are_writes_active)
+ set_buffer(buffer_index);
+ return 0;
+ }
case FB_IOCTL_FLUSH_BUFFERS: {
FBFlushRects user_flush_rects;
if (!copy_from_user(&user_flush_rects, (FBFlushRects*)arg))
return -EFAULT;
- if (user_flush_rects.buffer_index != 0)
+ if (!is_valid_buffer_index(user_flush_rects.buffer_index))
return -EINVAL;
if (Checked<unsigned>::multiplication_would_overflow(user_flush_rects.count, sizeof(FBRect)))
return -EFAULT;
- for (unsigned i = 0; i < user_flush_rects.count; i++) {
- FBRect user_dirty_rect;
- if (!copy_from_user(&user_dirty_rect, &user_flush_rects.rects[i]))
- return -EFAULT;
- if (m_are_writes_active) {
+ if (m_are_writes_active && user_flush_rects.count > 0) {
+ auto& buffer = buffer_from_index(user_flush_rects.buffer_index);
+ Locker locker(m_gpu.operation_lock());
+ for (unsigned i = 0; i < user_flush_rects.count; i++) {
+ FBRect user_dirty_rect;
+ if (!copy_from_user(&user_dirty_rect, &user_flush_rects.rects[i]))
+ return -EFAULT;
VirtIOGPURect dirty_rect {
.x = user_dirty_rect.x,
.y = user_dirty_rect.y,
.width = user_dirty_rect.width,
.height = user_dirty_rect.height
};
- flush_dirty_window(dirty_rect);
+ transfer_framebuffer_data_to_host(dirty_rect, buffer);
+ if (&buffer == m_current_buffer) {
+ // Flushing directly to screen
+ flush_displayed_image(dirty_rect, buffer);
+ }
}
}
return 0;
}
+ case FB_IOCTL_GET_BUFFER_OFFSET: {
+ FBBufferOffset buffer_offset;
+ if (!copy_from_user(&buffer_offset, (FBBufferOffset*)arg))
+ return -EFAULT;
+ if (!is_valid_buffer_index(buffer_offset.buffer_index))
+ return -EINVAL;
+ buffer_offset.offset = (size_t)buffer_offset.buffer_index * m_buffer_size;
+ if (!copy_to_user((FBBufferOffset*)arg, &buffer_offset))
+ return -EFAULT;
+ return 0;
+ }
default:
return -EINVAL;
};
@@ -181,9 +222,9 @@ KResultOr<Region*> VirtIOFrameBufferDevice::mmap(Process& process, FileDescripti
REQUIRE_PROMISE(video);
if (!shared)
return ENODEV;
- if (offset != 0)
+ if (offset != 0 || !m_framebuffer)
return ENXIO;
- if (range.size() != page_round_up(size_in_bytes()))
+ if (range.size() > m_framebuffer->size())
return EOVERFLOW;
// We only allow one process to map the region
@@ -217,24 +258,28 @@ void VirtIOFrameBufferDevice::deactivate_writes()
region->set_vmobject(vm_object.release_nonnull());
region->remap();
}
+ set_buffer(0);
+ clear_to_black(buffer_from_index(0));
}
void VirtIOFrameBufferDevice::activate_writes()
{
m_are_writes_active = true;
+ auto last_set_buffer_index = m_last_set_buffer_index.load();
if (m_userspace_mmap_region) {
auto* region = m_userspace_mmap_region.unsafe_ptr();
region->set_vmobject(m_framebuffer->vmobject());
region->remap();
}
+ set_buffer(last_set_buffer_index);
}
-void VirtIOFrameBufferDevice::clear_to_black()
+void VirtIOFrameBufferDevice::clear_to_black(Buffer& buffer)
{
auto& info = display_info();
size_t width = info.rect.width;
size_t height = info.rect.height;
- u8* data = m_framebuffer->vaddr().as_ptr();
+ u8* data = buffer.framebuffer_data;
for (size_t i = 0; i < width * height; ++i) {
data[4 * i + 0] = 0x00;
data[4 * i + 1] = 0x00;
@@ -243,7 +288,7 @@ void VirtIOFrameBufferDevice::clear_to_black()
}
}
-void VirtIOFrameBufferDevice::draw_ntsc_test_pattern()
+void VirtIOFrameBufferDevice::draw_ntsc_test_pattern(Buffer& buffer)
{
static constexpr u8 colors[12][4] = {
{ 0xff, 0xff, 0xff, 0xff }, // White
@@ -262,7 +307,7 @@ void VirtIOFrameBufferDevice::draw_ntsc_test_pattern()
auto& info = display_info();
size_t width = info.rect.width;
size_t height = info.rect.height;
- u8* data = m_framebuffer->vaddr().as_ptr();
+ u8* data = buffer.framebuffer_data;
// Draw NTSC test card
for (size_t y = 0; y < height; ++y) {
for (size_t x = 0; x < width; ++x) {
@@ -302,7 +347,7 @@ void VirtIOFrameBufferDevice::draw_ntsc_test_pattern()
u8* VirtIOFrameBufferDevice::framebuffer_data()
{
- return m_framebuffer->vaddr().as_ptr();
+ return m_current_buffer->framebuffer_data;
}
}
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h
index 7cfea5dcc8..003ce823fd 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h
@@ -14,6 +14,13 @@
namespace Kernel::Graphics {
class VirtIOFrameBufferDevice final : public BlockDevice {
+ friend class VirtIOGPUConsole;
+ struct Buffer {
+ size_t framebuffer_offset { 0 };
+ u8* framebuffer_data { nullptr };
+ VirtIOGPUResourceID resource_id { 0 };
+ };
+
public:
VirtIOFrameBufferDevice(VirtIOGPU& virtio_gpu, VirtIOGPUScanoutID);
virtual ~VirtIOFrameBufferDevice() override;
@@ -22,23 +29,23 @@ public:
virtual void activate_writes();
bool try_to_set_resolution(size_t width, size_t height);
- void clear_to_black();
+ void clear_to_black(Buffer&);
size_t width() const { return display_info().rect.width; }
size_t height() const { return display_info().rect.height; }
size_t pitch() const { return display_info().rect.width * 4; }
- size_t size_in_bytes() const;
static size_t calculate_framebuffer_size(size_t width, size_t height)
{
- return sizeof(u32) * width * height;
+ // VirtIO resources can only map on page boundaries!
+ return page_round_up(sizeof(u32) * width * height);
}
- void flush_dirty_window(VirtIOGPURect const&);
- void transfer_framebuffer_data_to_host(VirtIOGPURect const&);
- void flush_displayed_image(VirtIOGPURect const&);
+ void flush_dirty_window(VirtIOGPURect const&, Buffer&);
+ void transfer_framebuffer_data_to_host(VirtIOGPURect const&, Buffer&);
+ void flush_displayed_image(VirtIOGPURect const&, Buffer&);
- void draw_ntsc_test_pattern();
+ void draw_ntsc_test_pattern(Buffer&);
u8* framebuffer_data();
@@ -49,6 +56,8 @@ private:
VirtIOGPURespDisplayInfo::VirtIOGPUDisplayOne& display_info();
void create_framebuffer();
+ void create_buffer(Buffer&, size_t, size_t);
+ void set_buffer(int);
virtual int ioctl(FileDescription&, unsigned request, FlatPtr arg) override;
virtual KResultOr<Region*> mmap(Process&, FileDescription&, const Range&, u64 offset, int prot, bool shared) override;
@@ -61,11 +70,26 @@ private:
virtual mode_t required_mode() const override { return 0666; }
virtual String device_name() const override { return String::formatted("fb{}", minor()); }
+ static bool is_valid_buffer_index(int buffer_index)
+ {
+ return buffer_index == 0 || buffer_index == 1;
+ }
+
+ Buffer& buffer_from_index(int buffer_index)
+ {
+ return buffer_index == 0 ? m_main_buffer : m_back_buffer;
+ }
+ Buffer& current_buffer() const { return *m_current_buffer; }
+
VirtIOGPU& m_gpu;
const VirtIOGPUScanoutID m_scanout;
- VirtIOGPUResourceID m_resource_id { 0 };
+ Buffer* m_current_buffer { nullptr };
+ Atomic<int, AK::memory_order_relaxed> m_last_set_buffer_index { 0 };
+ Buffer m_main_buffer;
+ Buffer m_back_buffer;
OwnPtr<Region> m_framebuffer;
RefPtr<VMObject> m_framebuffer_sink_vmobject;
+ size_t m_buffer_size { 0 };
bool m_are_writes_active { true };
// FIXME: This needs to be cleaned up if the WindowServer exits while we are in a tty
WeakPtr<Region> m_userspace_mmap_region;
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp b/Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp
index 39b606e408..e1139632ef 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOGPU.cpp
@@ -127,12 +127,12 @@ VirtIOGPUResourceID VirtIOGPU::create_2d_resource(VirtIOGPURect rect)
return resource_id;
}
-void VirtIOGPU::ensure_backing_storage(Region& region, size_t buffer_length, VirtIOGPUResourceID resource_id)
+void VirtIOGPU::ensure_backing_storage(Region& region, size_t buffer_offset, size_t buffer_length, VirtIOGPUResourceID resource_id)
{
VERIFY(m_operation_lock.is_locked());
// Allocate backing region
auto& vm_object = region.vmobject();
- size_t desired_num_pages = page_round_up(buffer_length);
+ size_t desired_num_pages = page_round_up(buffer_offset + buffer_length);
auto& pages = vm_object.physical_pages();
for (size_t i = pages.size(); i < desired_num_pages / PAGE_SIZE; ++i) {
auto page = MM.allocate_user_physical_page();
@@ -141,7 +141,11 @@ void VirtIOGPU::ensure_backing_storage(Region& region, size_t buffer_length, Vir
pages.append(move(page));
}
region.remap();
- size_t num_mem_regions = vm_object.page_count();
+
+ VERIFY(buffer_offset % PAGE_SIZE == 0);
+ VERIFY(buffer_length % PAGE_SIZE == 0);
+ auto first_page_index = buffer_offset / PAGE_SIZE;
+ size_t num_mem_regions = buffer_length / PAGE_SIZE;
// Send request
auto& request = *reinterpret_cast<VirtIOGPUResourceAttachBacking*>(m_scratch_space->vaddr().as_ptr());
@@ -152,7 +156,7 @@ void VirtIOGPU::ensure_backing_storage(Region& region, size_t buffer_length, Vir
request.resource_id = resource_id.value();
request.num_entries = num_mem_regions;
for (size_t i = 0; i < num_mem_regions; ++i) {
- request.entries[i].address = region.physical_page(i)->paddr().get();
+ request.entries[i].address = region.physical_page(first_page_index + i)->paddr().get();
request.entries[i].length = PAGE_SIZE;
}
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOGPU.h b/Kernel/Graphics/VirtIOGPU/VirtIOGPU.h
index af8b6126c2..e39225f0a2 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOGPU.h
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOGPU.h
@@ -220,7 +220,7 @@ private:
void query_display_information();
VirtIOGPUResourceID create_2d_resource(VirtIOGPURect rect);
void delete_resource(VirtIOGPUResourceID resource_id);
- void ensure_backing_storage(Region& region, size_t buffer_length, VirtIOGPUResourceID resource_id);
+ void ensure_backing_storage(Region& region, size_t buffer_offset, size_t buffer_length, VirtIOGPUResourceID resource_id);
void detach_backing_storage(VirtIOGPUResourceID resource_id);
void set_scanout_resource(VirtIOGPUScanoutID scanout, VirtIOGPUResourceID resource_id, VirtIOGPURect rect);
void transfer_framebuffer_data_to_host(VirtIOGPUScanoutID scanout, VirtIOGPURect const& rect, VirtIOGPUResourceID resource_id);
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp b/Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp
index f3e3cb0348..7ab490bdcd 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp
@@ -66,7 +66,7 @@ void VirtIOGPUConsole::enqueue_refresh_timer()
.height = (u32)rect.height(),
};
g_io_work->queue([this, dirty_rect]() {
- m_framebuffer_device->flush_dirty_window(dirty_rect);
+ m_framebuffer_device->flush_dirty_window(dirty_rect, m_framebuffer_device->current_buffer());
m_dirty_rect.clear();
});
}
diff --git a/Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp b/Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
index b41f1f5606..7f1e75758b 100644
--- a/Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
+++ b/Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
@@ -40,7 +40,6 @@ void VirtIOGraphicsAdapter::enable_consoles()
dbgln_if(VIRTIO_DEBUG, "VirtIOGPU: Enabling consoles");
m_gpu_device->for_each_framebuffer([&](auto& framebuffer, auto& console) {
framebuffer.deactivate_writes();
- framebuffer.clear_to_black();
console.enable();
return IterationDecision::Continue;
});
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 06:26:24 +0000