c26101a9fe
This seems to have better performance on Intel GPUs, and allows us to implement damage tracking for the shadow "buffer" in the future CCBUG: 477223
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2023 Xaver Hugl <xaver.hugl@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "kwin_export.h"
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#include <QHash>
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#include <QList>
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#include <QString>
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#include <epoxy/gl.h>
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#include <libdrm/drm_fourcc.h>
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#include <optional>
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#include <stdint.h>
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namespace KWin
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{
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struct YuvFormat
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{
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uint32_t format = DRM_FORMAT_YUYV;
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uint32_t widthDivisor = 1;
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uint32_t heightDivisor = 1;
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};
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struct YuvConversion
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{
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QList<struct YuvFormat> plane = {};
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};
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static const QHash<uint32_t, YuvConversion> s_drmConversions = {
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{DRM_FORMAT_NV12, YuvConversion{
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{YuvFormat{DRM_FORMAT_R8, 1, 1}, YuvFormat{DRM_FORMAT_GR88, 2, 2}},
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}},
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};
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struct KWIN_EXPORT FormatInfo
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{
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uint32_t drmFormat;
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uint32_t bitsPerColor;
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uint32_t alphaBits;
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uint32_t bitsPerPixel;
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GLint openglFormat;
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bool floatingPoint;
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std::optional<YuvConversion> yuvConversion() const
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{
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const auto it = s_drmConversions.find(drmFormat);
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return it != s_drmConversions.end() ? *it : std::optional<YuvConversion>{};
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}
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static std::optional<FormatInfo> get(uint32_t drmFormat);
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static QString drmFormatName(uint32_t format);
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};
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}
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