mirror of
https://github.com/RGBCube/serenity
synced 2025-07-26 20:07:36 +00:00
Kernel/Graphics: Apply DisplayConnector design on the VirtIO driver
This commit is contained in:
Liav A
Andreas Kling
parent
4ff6150f1b
commit
c27c414ed1
13 changed files with 729 additions and 886 deletions
|
|
@ -10,16 +10,10 @@
|
|||
#include <AK/DistinctNumeric.h>
|
||||
#include <Kernel/Bus/VirtIO/Device.h>
|
||||
#include <Kernel/Bus/VirtIO/Queue.h>
|
||||
#include <Kernel/Devices/BlockDevice.h>
|
||||
#include <Kernel/Graphics/GenericGraphicsAdapter.h>
|
||||
#include <Kernel/Graphics/VirtIOGPU/Console.h>
|
||||
#include <Kernel/Graphics/VirtIOGPU/FramebufferDevice.h>
|
||||
#include <Kernel/Graphics/VirtIOGPU/Protocol.h>
|
||||
#include <LibEDID/EDID.h>
|
||||
|
||||
namespace Kernel::Graphics::VirtIOGPU {
|
||||
|
||||
class GPU3DDevice;
|
||||
namespace Kernel {
|
||||
|
||||
#define VIRTIO_GPU_F_VIRGL (1 << 0)
|
||||
#define VIRTIO_GPU_F_EDID (1 << 1)
|
||||
|
|
@ -34,16 +28,16 @@ class GPU3DDevice;
|
|||
|
||||
#define VIRTIO_GPU_EVENT_DISPLAY (1 << 0)
|
||||
|
||||
class FramebufferDevice;
|
||||
class GraphicsAdapter final
|
||||
class VirtIODisplayConnector;
|
||||
class VirtIOGPU3DDevice;
|
||||
class VirtIOGraphicsAdapter final
|
||||
: public GenericGraphicsAdapter
|
||||
, public VirtIO::Device {
|
||||
friend class FramebufferDevice;
|
||||
friend class VirtIODisplayConnector;
|
||||
friend class VirtIOGPU3DDevice;
|
||||
|
||||
public:
|
||||
static NonnullRefPtr<GraphicsAdapter> initialize(PCI::DeviceIdentifier const&);
|
||||
|
||||
virtual bool framebuffer_devices_initialized() const override { return m_created_framebuffer_devices; }
|
||||
static NonnullRefPtr<VirtIOGraphicsAdapter> initialize(PCI::DeviceIdentifier const&);
|
||||
|
||||
// FIXME: There's a VirtIO VGA GPU variant, so we should consider that
|
||||
virtual bool vga_compatible() const override { return false; }
|
||||
|
|
@ -51,76 +45,46 @@ public:
|
|||
virtual void initialize() override;
|
||||
void initialize_3d_device();
|
||||
|
||||
ErrorOr<ByteBuffer> get_edid(size_t output_port_index) const override;
|
||||
bool edid_feature_accepted() const;
|
||||
|
||||
Graphics::VirtIOGPU::ResourceID allocate_resource_id(Badge<VirtIODisplayConnector>);
|
||||
Graphics::VirtIOGPU::ContextID allocate_context_id(Badge<VirtIODisplayConnector>);
|
||||
|
||||
private:
|
||||
void flush_dirty_rectangle(ScanoutID, ResourceID, Protocol::Rect const& dirty_rect);
|
||||
|
||||
template<typename F>
|
||||
IterationDecision for_each_framebuffer(F f)
|
||||
{
|
||||
for (auto& scanout : m_scanouts) {
|
||||
if (!scanout.framebuffer)
|
||||
continue;
|
||||
IterationDecision decision = f(*scanout.framebuffer, *scanout.console);
|
||||
if (decision != IterationDecision::Continue)
|
||||
return decision;
|
||||
}
|
||||
return IterationDecision::Continue;
|
||||
}
|
||||
|
||||
RefPtr<Console> default_console()
|
||||
{
|
||||
if (m_default_scanout.has_value())
|
||||
return m_scanouts[m_default_scanout.value().value()].console;
|
||||
return {};
|
||||
}
|
||||
auto& display_info(ScanoutID scanout) const
|
||||
{
|
||||
VERIFY(scanout.value() < VIRTIO_GPU_MAX_SCANOUTS);
|
||||
return m_scanouts[scanout.value()].display_info;
|
||||
}
|
||||
auto& display_info(ScanoutID scanout)
|
||||
{
|
||||
VERIFY(scanout.value() < VIRTIO_GPU_MAX_SCANOUTS);
|
||||
return m_scanouts[scanout.value()].display_info;
|
||||
}
|
||||
|
||||
explicit GraphicsAdapter(PCI::DeviceIdentifier const&);
|
||||
|
||||
void create_framebuffer_devices();
|
||||
|
||||
virtual void initialize_framebuffer_devices() override;
|
||||
virtual void enable_consoles() override;
|
||||
virtual void disable_consoles() override;
|
||||
|
||||
virtual bool modesetting_capable() const override { return false; }
|
||||
virtual bool double_framebuffering_capable() const override { return false; }
|
||||
|
||||
virtual bool try_to_set_resolution(size_t, size_t, size_t) override { return false; }
|
||||
virtual bool set_y_offset(size_t, size_t) override { return false; }
|
||||
|
||||
void flush_dirty_rectangle(Graphics::VirtIOGPU::ScanoutID, Graphics::VirtIOGPU::ResourceID, Graphics::VirtIOGPU::Protocol::Rect const& dirty_rect);
|
||||
struct Scanout {
|
||||
RefPtr<Graphics::VirtIOGPU::FramebufferDevice> framebuffer;
|
||||
RefPtr<Console> console;
|
||||
Protocol::DisplayInfoResponse::Display display_info {};
|
||||
Optional<EDID::Parser> edid;
|
||||
RefPtr<VirtIODisplayConnector> display_connector;
|
||||
};
|
||||
|
||||
VirtIOGraphicsAdapter(PCI::DeviceIdentifier const&, NonnullOwnPtr<Memory::Region> scratch_space_region);
|
||||
|
||||
ErrorOr<void> initialize_adapter();
|
||||
// ^GenericGraphicsAdapter
|
||||
// FIXME: Remove all of these methods when we get rid of the FramebufferDevice class.
|
||||
virtual ErrorOr<ByteBuffer> get_edid(size_t) const override { VERIFY_NOT_REACHED(); }
|
||||
virtual bool try_to_set_resolution(size_t, size_t, size_t) override { VERIFY_NOT_REACHED(); }
|
||||
virtual bool set_y_offset(size_t, size_t) override { VERIFY_NOT_REACHED(); }
|
||||
virtual void initialize_framebuffer_devices() override { }
|
||||
virtual void enable_consoles() override { }
|
||||
virtual void disable_consoles() override { }
|
||||
virtual bool framebuffer_devices_initialized() const override { return false; }
|
||||
virtual bool modesetting_capable() const override { return true; }
|
||||
virtual bool double_framebuffering_capable() const override { return true; }
|
||||
|
||||
virtual bool handle_device_config_change() override;
|
||||
virtual void handle_queue_update(u16 queue_index) override;
|
||||
u32 get_pending_events();
|
||||
void clear_pending_events(u32 event_bitmask);
|
||||
|
||||
// 3D Command stuff
|
||||
ContextID create_context();
|
||||
void attach_resource_to_context(ResourceID resource_id, ContextID context_id);
|
||||
void submit_command_buffer(ContextID, Function<size_t(Bytes)> buffer_writer);
|
||||
Protocol::TextureFormat get_framebuffer_format() const { return Protocol::TextureFormat::VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM; }
|
||||
Graphics::VirtIOGPU::ContextID create_context();
|
||||
void attach_resource_to_context(Graphics::VirtIOGPU::ResourceID resource_id, Graphics::VirtIOGPU::ContextID context_id);
|
||||
void submit_command_buffer(Graphics::VirtIOGPU::ContextID, Function<size_t(Bytes)> buffer_writer);
|
||||
Graphics::VirtIOGPU::Protocol::TextureFormat get_framebuffer_format() const { return Graphics::VirtIOGPU::Protocol::TextureFormat::VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM; }
|
||||
|
||||
auto& operation_lock() { return m_operation_lock; }
|
||||
ResourceID allocate_resource_id();
|
||||
ContextID allocate_context_id();
|
||||
Graphics::VirtIOGPU::ResourceID allocate_resource_id();
|
||||
Graphics::VirtIOGPU::ContextID allocate_context_id();
|
||||
|
||||
PhysicalAddress start_of_scratch_space() const { return m_scratch_space->physical_page(0)->paddr(); }
|
||||
AK::BinaryBufferWriter create_scratchspace_writer()
|
||||
|
|
@ -128,36 +92,31 @@ private:
|
|||
return { Bytes(m_scratch_space->vaddr().as_ptr(), m_scratch_space->size()) };
|
||||
}
|
||||
void synchronous_virtio_gpu_command(PhysicalAddress buffer_start, size_t request_size, size_t response_size);
|
||||
void populate_virtio_gpu_request_header(Protocol::ControlHeader& header, Protocol::CommandType ctrl_type, u32 flags = 0);
|
||||
void populate_virtio_gpu_request_header(Graphics::VirtIOGPU::Protocol::ControlHeader& header, Graphics::VirtIOGPU::Protocol::CommandType ctrl_type, u32 flags = 0);
|
||||
|
||||
void query_display_information();
|
||||
void query_display_edid(Optional<ScanoutID>);
|
||||
ResourceID create_2d_resource(Protocol::Rect rect);
|
||||
ResourceID create_3d_resource(Protocol::Resource3DSpecification const& resource_3d_specification);
|
||||
void delete_resource(ResourceID resource_id);
|
||||
void ensure_backing_storage(ResourceID resource_id, Memory::Region const& region, size_t buffer_offset, size_t buffer_length);
|
||||
void detach_backing_storage(ResourceID resource_id);
|
||||
void set_scanout_resource(ScanoutID scanout, ResourceID resource_id, Protocol::Rect rect);
|
||||
void transfer_framebuffer_data_to_host(ScanoutID scanout, ResourceID resource_id, Protocol::Rect const& rect);
|
||||
void flush_displayed_image(ResourceID resource_id, Protocol::Rect const& dirty_rect);
|
||||
ErrorOr<Optional<EDID::Parser>> query_edid(u32 scanout_id);
|
||||
Graphics::VirtIOGPU::ResourceID create_2d_resource(Graphics::VirtIOGPU::Protocol::Rect rect);
|
||||
Graphics::VirtIOGPU::ResourceID create_3d_resource(Graphics::VirtIOGPU::Protocol::Resource3DSpecification const& resource_3d_specification);
|
||||
void delete_resource(Graphics::VirtIOGPU::ResourceID resource_id);
|
||||
void ensure_backing_storage(Graphics::VirtIOGPU::ResourceID resource_id, Memory::Region const& region, size_t buffer_offset, size_t buffer_length);
|
||||
void detach_backing_storage(Graphics::VirtIOGPU::ResourceID resource_id);
|
||||
void set_scanout_resource(Graphics::VirtIOGPU::ScanoutID scanout, Graphics::VirtIOGPU::ResourceID resource_id, Graphics::VirtIOGPU::Protocol::Rect rect);
|
||||
void transfer_framebuffer_data_to_host(Graphics::VirtIOGPU::ScanoutID scanout, Graphics::VirtIOGPU::ResourceID resource_id, Graphics::VirtIOGPU::Protocol::Rect const& rect);
|
||||
void flush_displayed_image(Graphics::VirtIOGPU::ResourceID resource_id, Graphics::VirtIOGPU::Protocol::Rect const& dirty_rect);
|
||||
ErrorOr<void> query_and_set_edid(u32 scanout_id, VirtIODisplayConnector& display_connector);
|
||||
|
||||
bool m_created_framebuffer_devices { false };
|
||||
Optional<ScanoutID> m_default_scanout;
|
||||
size_t m_num_scanouts { 0 };
|
||||
Scanout m_scanouts[VIRTIO_GPU_MAX_SCANOUTS];
|
||||
|
||||
VirtIO::Configuration const* m_device_configuration { nullptr };
|
||||
ResourceID m_resource_id_counter { 0 };
|
||||
ContextID m_context_id_counter { 0 };
|
||||
RefPtr<GPU3DDevice> m_3d_device;
|
||||
// Note: Resource ID 0 is invalid, and we must not allocate 0 as the first resource ID.
|
||||
Atomic<u32> m_resource_id_counter { 1 };
|
||||
Atomic<u32> m_context_id_counter { 1 };
|
||||
RefPtr<VirtIOGPU3DDevice> m_3d_device;
|
||||
bool m_has_virgl_support { false };
|
||||
|
||||
// Synchronous commands
|
||||
WaitQueue m_outstanding_request;
|
||||
Mutex m_operation_lock;
|
||||
OwnPtr<Memory::Region> m_scratch_space;
|
||||
|
||||
friend class Kernel::Graphics::VirtIOGPU::GPU3DDevice;
|
||||
Spinlock m_operation_lock;
|
||||
NonnullOwnPtr<Memory::Region> m_scratch_space;
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue