mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
7c0540a229
This has KString, KBuffer, DoubleBuffer, KBufferBuilder, IOWindow, UserOrKernelBuffer and ScopedCritical classes being moved to the Kernel/Library subdirectory. Also, move the panic and assertions handling code to that directory.
465 lines
13 KiB
C++
465 lines
13 KiB
C++
/*
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/ByteReader.h>
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#include <AK/Concepts.h>
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#include <AK/Endian.h>
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#include <AK/Error.h>
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#include <AK/FixedPoint.h>
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#include <AK/Forward.h>
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#include <AK/Span.h>
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#include <AK/Vector.h>
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#include <LibEDID/DMT.h>
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#include <LibEDID/Definitions.h>
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#include <LibEDID/VIC.h>
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#ifdef KERNEL
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# include <Kernel/Library/KString.h>
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#else
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# include <AK/DeprecatedString.h>
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#endif
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namespace EDID {
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namespace Definitions {
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struct EDID;
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struct DetailedTiming;
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struct DisplayDescriptor;
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struct ExtensionBlock;
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}
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class Parser final {
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friend class CEA861ExtensionBlock;
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public:
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static constexpr size_t BufferSize = 128;
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using RawBytes = unsigned char[BufferSize];
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protected:
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class DisplayFeatures {
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public:
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bool supports_standby() const { return (m_features & (1 << 7)) != 0; }
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bool supports_suspend() const { return (m_features & (1 << 6)) != 0; }
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bool supports_off() const { return (m_features & (1 << 5)) != 0; }
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bool preferred_timing_mode_includes_pixel_format_and_refresh_rate() const
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{
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if (m_edid_revision < 4)
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return true; // Bit 1 must be set to 1
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return (m_features & (1 << 1)) != 0;
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}
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bool srgb_is_default_color_space() const { return (m_features & (1 << 2)) != 0; }
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enum class Frequency : u8 {
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Continuous,
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NonContinuous,
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DefaultGTF,
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VESA_DMT
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};
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Frequency frequency() const
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{
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if (m_edid_revision < 4)
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return ((m_features & 1) != 0) ? Frequency::DefaultGTF : Frequency::VESA_DMT;
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return ((m_features & 1) != 0) ? Frequency::Continuous : Frequency::NonContinuous;
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}
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protected:
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DisplayFeatures(u8 features, u8 edid_revision)
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: m_features(features)
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, m_edid_revision(edid_revision)
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{
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}
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u8 m_features { 0 };
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u8 m_edid_revision { 0 };
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};
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public:
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static ErrorOr<Parser> from_bytes(ReadonlyBytes);
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static ErrorOr<Parser> from_bytes(ByteBuffer&&);
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#ifndef KERNEL
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static ErrorOr<Parser> from_display_connector_device(int);
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static ErrorOr<Parser> from_display_connector_device(DeprecatedString const&);
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#endif
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StringView legacy_manufacturer_id() const;
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#ifndef KERNEL
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DeprecatedString manufacturer_name() const;
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#endif
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u16 product_code() const;
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u32 serial_number() const;
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class DigitalDisplayFeatures final : public DisplayFeatures {
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friend class Parser;
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public:
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enum class SupportedColorEncodings : u8 {
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RGB444,
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RGB444_YCrCb444,
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RGB444_YCrCb422,
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RGB444_YCrCb444_YCrCb422
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};
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SupportedColorEncodings supported_color_encodings() const { return (SupportedColorEncodings)((m_features >> 3) & 3); }
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private:
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DigitalDisplayFeatures(u8 features, u8 edid_revision)
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: DisplayFeatures(features, edid_revision)
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{
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}
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};
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class AnalogDisplayFeatures final : public DisplayFeatures {
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friend class Parser;
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public:
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enum class DisplayColorType : u8 {
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MonochromeOrGrayscale,
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RGB,
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NonRGB,
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Undefined
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};
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DisplayColorType display_color_type() const { return (DisplayColorType)((m_features >> 3) & 3); }
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private:
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AnalogDisplayFeatures(u8 features, u8 edid_revision)
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: DisplayFeatures(features, edid_revision)
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{
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}
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};
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class DigitalDisplay final {
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friend class Parser;
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public:
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enum class ColorBitDepth : u8 {
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Undefined = 0,
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BPP_6,
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BPP_8,
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BPP_10,
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BPP_12,
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BPP_14,
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BPP_16,
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Reserved
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};
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enum class SupportedInterface : u8 {
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Undefined = 0,
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DVI,
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HDMI_A,
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HDMI_B,
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MDDI,
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DisplayPort,
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Reserved
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};
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ColorBitDepth color_bit_depth() const { return (ColorBitDepth)((m_video_input_definition >> 4) & 7); }
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SupportedInterface supported_interface() const { return ((m_video_input_definition & 0xf) <= 5) ? (SupportedInterface)(m_video_input_definition & 0xf) : SupportedInterface::Reserved; }
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DigitalDisplayFeatures const& features() { return m_features; }
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private:
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DigitalDisplay(u8 video_input_definition, u8 features, u8 edid_revision)
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: m_video_input_definition(video_input_definition)
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, m_features(features, edid_revision)
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{
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}
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u8 m_video_input_definition { 0 };
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DigitalDisplayFeatures m_features;
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};
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Optional<DigitalDisplay> digital_display() const;
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class AnalogDisplay final {
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friend class Parser;
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public:
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bool separate_sync_h_and_v_supported() const { return (m_video_input_definition & (1 << 3)) != 0; }
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private:
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AnalogDisplay(u8 video_input_definition, u8 features, u8 edid_revision)
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: m_video_input_definition(video_input_definition)
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, m_features(features, edid_revision)
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{
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}
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u8 m_video_input_definition { 0 };
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AnalogDisplayFeatures m_features;
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};
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Optional<AnalogDisplay> analog_display() const;
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class ScreenSize final {
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friend class Parser;
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public:
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unsigned horizontal_cm() const { return m_horizontal_cm; }
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unsigned vertical_cm() const { return m_vertical_cm; }
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private:
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ScreenSize(u8 horizontal_cm, u8 vertical_cm)
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: m_horizontal_cm(horizontal_cm)
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, m_vertical_cm(vertical_cm)
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{
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}
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u8 m_horizontal_cm { 0 };
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u8 m_vertical_cm { 0 };
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};
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Optional<ScreenSize> screen_size() const;
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class ScreenAspectRatio final {
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friend class Parser;
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public:
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enum class Orientation {
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Landscape,
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Portrait
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};
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Orientation orientation() const { return m_orientation; }
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auto ratio() const { return m_ratio; }
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private:
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ScreenAspectRatio(Orientation orientation, FixedPoint<16> ratio)
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: m_orientation(orientation)
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, m_ratio(ratio)
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{
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}
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Orientation m_orientation { Orientation::Landscape };
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FixedPoint<16> m_ratio {};
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};
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Optional<ScreenAspectRatio> aspect_ratio() const;
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Optional<FixedPoint<16>> gamma() const;
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class EstablishedTiming final {
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friend class Parser;
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public:
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enum class Source {
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IBM,
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Apple,
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VESA,
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Manufacturer
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};
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ALWAYS_INLINE Source source() const { return m_source; }
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ALWAYS_INLINE unsigned width() const { return m_width; };
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ALWAYS_INLINE unsigned height() const { return m_height; }
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ALWAYS_INLINE unsigned refresh_rate() const
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{
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if (m_source == Source::Manufacturer)
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return 0;
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return m_refresh_rate_or_manufacturer_specific;
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}
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ALWAYS_INLINE u8 manufacturer_specific() const
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{
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VERIFY(m_source == Source::Manufacturer);
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return m_refresh_rate_or_manufacturer_specific;
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}
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ALWAYS_INLINE u8 dmt_id() const { return m_dmt_id; }
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private:
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constexpr EstablishedTiming(Source source, u16 width, u16 height, u8 refresh_rate_or_manufacturer_specific, u8 dmt_id = 0)
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: m_source(source)
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, m_width(width)
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, m_height(height)
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, m_refresh_rate_or_manufacturer_specific(refresh_rate_or_manufacturer_specific)
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, m_dmt_id(dmt_id)
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{
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}
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Source m_source { Source::IBM };
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u16 m_width { 0 };
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u16 m_height { 0 };
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u8 m_refresh_rate_or_manufacturer_specific { 0 };
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u8 m_dmt_id { 0 };
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};
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ErrorOr<IterationDecision> for_each_established_timing(Function<IterationDecision(EstablishedTiming const&)>) const;
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class StandardTiming final {
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friend class Parser;
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public:
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enum class AspectRatio {
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AR_16_10,
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AR_4_3,
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AR_5_4,
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AR_16_9
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};
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unsigned width() const { return m_width; }
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unsigned height() const { return m_height; }
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unsigned refresh_rate() const { return m_refresh_rate; }
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AspectRatio aspect_ratio() const { return m_aspect_ratio; }
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u8 dmt_id() const { return m_dmt_id; }
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private:
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constexpr StandardTiming(u16 width, u16 height, u8 refresh_rate, AspectRatio aspect_ratio, u8 dmt_id)
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: m_width(width)
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, m_height(height)
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, m_refresh_rate(refresh_rate)
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, m_aspect_ratio(aspect_ratio)
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, m_dmt_id(dmt_id)
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{
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}
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u16 m_width { 0 };
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u16 m_height { 0 };
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u8 m_refresh_rate { 0 };
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AspectRatio m_aspect_ratio { AspectRatio::AR_16_10 };
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u8 m_dmt_id { 0 };
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};
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ErrorOr<IterationDecision> for_each_standard_timing(Function<IterationDecision(StandardTiming const&)>) const;
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class DetailedTiming final {
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friend class Parser;
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friend class CEA861ExtensionBlock;
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public:
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u32 pixel_clock_khz() const;
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u16 horizontal_addressable_pixels() const;
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u16 horizontal_blanking_pixels() const;
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u16 vertical_addressable_lines() const;
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u16 vertical_blanking_lines() const;
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u16 horizontal_front_porch_pixels() const;
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ALWAYS_INLINE u16 horizontal_back_porch_pixels() const { return horizontal_blanking_pixels() - horizontal_sync_pulse_width_pixels() - horizontal_front_porch_pixels(); }
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u16 horizontal_sync_pulse_width_pixels() const;
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u16 vertical_front_porch_lines() const;
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ALWAYS_INLINE u16 vertical_back_porch_lines() const { return vertical_blanking_lines() - vertical_sync_pulse_width_lines() - vertical_front_porch_lines(); }
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u16 vertical_sync_pulse_width_lines() const;
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u16 horizontal_image_size_mm() const;
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u16 vertical_image_size_mm() const;
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u8 horizontal_right_or_left_border_pixels() const;
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u8 vertical_top_or_bottom_border_lines() const;
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bool is_interlaced() const;
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FixedPoint<16, u32> refresh_rate() const;
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private:
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DetailedTiming(Parser const& edid, Definitions::DetailedTiming const* detailed_timings)
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: m_edid(edid)
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, m_detailed_timings(*detailed_timings)
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{
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}
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u16 vertical_addressable_lines_raw() const;
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Parser const& m_edid;
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Definitions::DetailedTiming const& m_detailed_timings;
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};
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ErrorOr<IterationDecision> for_each_detailed_timing(Function<IterationDecision(DetailedTiming const&, unsigned)>) const;
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Optional<DetailedTiming> detailed_timing(size_t) const;
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#ifndef KERNEL
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DeprecatedString display_product_name() const;
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DeprecatedString display_product_serial_number() const;
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#endif
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ErrorOr<IterationDecision> for_each_short_video_descriptor(Function<IterationDecision(unsigned, bool, VIC::Details const&)>) const;
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class CoordinatedVideoTiming final {
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friend class Parser;
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public:
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enum class AspectRatio : u8 {
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AR_4_3 = 0,
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AR_16_9 = 1,
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AR_16_10 = 2,
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AR_15_9 = 3
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};
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u16 horizontal_addressable_pixels() const;
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u16 vertical_addressable_lines() const;
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AspectRatio aspect_ratio() const;
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u16 preferred_refresh_rate();
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ALWAYS_INLINE DMT::CVT cvt_code() const { return m_cvt; }
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private:
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CoordinatedVideoTiming(DMT::CVT const& cvt)
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: m_cvt(cvt)
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{
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}
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DMT::CVT m_cvt;
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};
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ErrorOr<IterationDecision> for_each_coordinated_video_timing(Function<IterationDecision(CoordinatedVideoTiming const&)>) const;
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ErrorOr<IterationDecision> for_each_extension_block(Function<IterationDecision(unsigned, u8, u8, ReadonlyBytes)>) const;
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struct SupportedResolution {
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unsigned width { 0 };
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unsigned height { 0 };
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struct RefreshRate {
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FixedPoint<16, u32> rate;
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bool preferred { false };
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bool operator<(RefreshRate const& rhs) const { return rate < rhs.rate; }
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};
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Vector<RefreshRate, 4> refresh_rates;
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};
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ErrorOr<Vector<SupportedResolution>> supported_resolutions() const;
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Parser() = default;
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Parser(Parser&&) = default;
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Parser(Parser const&);
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Parser& operator=(Parser&&);
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Parser& operator=(Parser const&);
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bool operator==(Parser const& other) const;
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StringView version() const;
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auto bytes() const { return m_bytes; }
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private:
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Parser(ReadonlyBytes);
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Parser(ByteBuffer&&);
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ErrorOr<void> parse();
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template<typename T>
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T read_host(T const*) const;
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template<Integral T>
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requires(sizeof(T) > 1)
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T read_le(T const*) const;
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template<Integral T>
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requires(sizeof(T) > 1)
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T read_be(T const*) const;
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Definitions::EDID const& raw_edid() const;
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ErrorOr<IterationDecision> for_each_display_descriptor(Function<IterationDecision(u8, Definitions::DisplayDescriptor const&)>) const;
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ByteBuffer m_bytes_buffer;
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ReadonlyBytes m_bytes;
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u8 m_revision { 0 };
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#ifdef KERNEL
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OwnPtr<Kernel::KString> m_version;
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#else
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DeprecatedString m_version;
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#endif
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char m_legacy_manufacturer_id[4] {};
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bool m_legacy_manufacturer_id_valid { false };
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};
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}
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