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Kernel/Graphics: Implement basic support for VMWare SVGA adapter

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Liav A 2022-03-18 16:46:55 +02:00 • committed by Linus Groh
parent 530aa51816
commit 340773ddb7
11 changed files with 640 additions and 1 deletions
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60
Kernel/Graphics/VMWare/DisplayConnector.h Normal file
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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefPtr.h>
#include <AK/Try.h>
#include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
#include <Kernel/Graphics/DisplayConnector.h>
#include <Kernel/Graphics/VMWare/GraphicsAdapter.h>
#include <Kernel/Locking/Spinlock.h>
#include <Kernel/Memory/TypedMapping.h>
namespace Kernel {
class VMWareFramebufferConsole;
class VMWareDisplayConnector : public DisplayConnector {
friend class VMWareGraphicsAdapter;
friend class VMWareFramebufferConsole;
friend class DeviceManagement;
public:
static NonnullRefPtr<VMWareDisplayConnector> must_create(VMWareGraphicsAdapter const& parent_adapter, PhysicalAddress framebuffer_address);
private:
VMWareDisplayConnector(VMWareGraphicsAdapter const& parent_adapter, PhysicalAddress framebuffer_address);
ErrorOr<void> create_attached_framebuffer_console();
virtual bool mutable_mode_setting_capable() const override { return true; }
virtual bool double_framebuffering_capable() const override { return false; }
virtual ErrorOr<void> set_mode_setting(ModeSetting const&) override;
virtual ErrorOr<void> set_safe_mode_setting() override;
virtual ErrorOr<void> set_y_offset(size_t y) override;
virtual ErrorOr<void> unblank() override;
virtual bool partial_flush_support() const override { return true; }
virtual bool flush_support() const override { return true; }
// Note: Paravirtualized hardware doesn't require a defined refresh rate for modesetting.
virtual bool refresh_rate_support() const override { return false; }
virtual ErrorOr<size_t> write_to_first_surface(u64 offset, UserOrKernelBuffer const&, size_t length) override;
virtual ErrorOr<void> flush_first_surface() override;
virtual ErrorOr<void> flush_rectangle(size_t buffer_index, FBRect const& rect) override;
virtual void enable_console() override;
virtual void disable_console() override;
private:
u8* framebuffer_data() { return m_framebuffer_data; }
const PhysicalAddress m_framebuffer_address;
NonnullRefPtr<VMWareGraphicsAdapter> m_parent_adapter;
RefPtr<VMWareFramebufferConsole> m_framebuffer_console;
OwnPtr<Memory::Region> m_framebuffer_region;
u8* m_framebuffer_data {};
};
}