72 lines
2.1 KiB
C++
72 lines
2.1 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: 2022 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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#include "drm_egl_cursor_layer.h"
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#include "drm_egl_backend.h"
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#include "drm_gpu.h"
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#include "drm_pipeline.h"
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#include <gbm.h>
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namespace KWin
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{
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EglGbmCursorLayer::EglGbmCursorLayer(EglGbmBackend *eglBackend, DrmPipeline *pipeline)
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: DrmOverlayLayer(pipeline)
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, m_surface(pipeline->gpu(), eglBackend)
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{
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}
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std::optional<OutputLayerBeginFrameInfo> EglGbmCursorLayer::beginFrame()
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{
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// some legacy drivers don't work with linear gbm buffers for the cursor
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const auto target = m_pipeline->gpu()->atomicModeSetting() ? EglGbmLayerSurface::BufferTarget::Linear : EglGbmLayerSurface::BufferTarget::Dumb;
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return m_surface.startRendering(m_pipeline->gpu()->cursorSize(), m_pipeline->renderOrientation(), DrmPlane::Transformation::Rotate0, m_pipeline->cursorFormats(), target);
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}
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void EglGbmCursorLayer::aboutToStartPainting(const QRegion &damagedRegion)
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{
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m_surface.aboutToStartPainting(m_pipeline->output(), damagedRegion);
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}
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bool EglGbmCursorLayer::endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion)
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{
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Q_UNUSED(renderedRegion)
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// some legacy drivers don't work with linear gbm buffers for the cursor
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const auto target = m_pipeline->gpu()->atomicModeSetting() ? EglGbmLayerSurface::BufferTarget::Linear : EglGbmLayerSurface::BufferTarget::Dumb;
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const auto ret = m_surface.endRendering(m_pipeline->renderOrientation(), damagedRegion, target);
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if (ret.has_value()) {
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QRegion throwaway;
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std::tie(m_currentBuffer, throwaway) = ret.value();
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return m_currentBuffer != nullptr;
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} else {
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return false;
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}
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}
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QRegion EglGbmCursorLayer::currentDamage() const
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{
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return {};
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}
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std::shared_ptr<DrmFramebuffer> EglGbmCursorLayer::currentBuffer() const
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{
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return m_currentBuffer;
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}
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bool EglGbmCursorLayer::checkTestBuffer()
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{
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return false;
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}
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void EglGbmCursorLayer::releaseBuffers()
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{
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m_surface.destroyResources();
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}
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}
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