forked from qt-creator/qt-creator
Move Timeline and FlameGraph into a common "Tracing" library
This allows us to share code between the two, in particular the QML code for the Details window, and the theme code. This way we can potentially deduplicate some code. Change-Id: I3a0d26b18488bd2a46b5b077b5b5d79ac2dfc5ce Reviewed-by: Christian Kandeler <christian.kandeler@qt.io> Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
Ulf Hermann
283
src/libs/tracing/timelinenotesrenderpass.cpp
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283
src/libs/tracing/timelinenotesrenderpass.cpp
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "timelinenotesrenderpass.h"
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#include "timelinerenderstate.h"
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#include "timelinenotesmodel.h"
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#include <utils/theme/theme.h>
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namespace Timeline {
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struct Point2DWithDistanceFromTop {
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float x, y, d;
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void set(float nx, float ny, float nd);
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};
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class NotesMaterial : public QSGMaterial
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{
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public:
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QSGMaterialType *type() const;
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QSGMaterialShader *createShader() const;
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};
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struct NotesGeometry
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{
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static const int maxNotes;
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static const QSGGeometry::AttributeSet &point2DWithDistanceFromTop();
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static QSGGeometry *createGeometry(QVector<int> &ids, const TimelineModel *model,
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const TimelineRenderState *parentState, bool collapsed);
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};
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const int NotesGeometry::maxNotes = 0xffff / 2;
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class TimelineNotesRenderPassState : public TimelineRenderPass::State
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{
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public:
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TimelineNotesRenderPassState(int expandedRows);
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~TimelineNotesRenderPassState();
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QSGNode *expandedRow(int row) const { return m_expandedRows[row]; }
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QSGNode *collapsedOverlay() const { return m_collapsedOverlay; }
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const QVector<QSGNode *> &expandedRows() const { return m_expandedRows; }
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QSGGeometry *nullGeometry() { return &m_nullGeometry; }
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NotesMaterial *material() { return &m_material; }
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private:
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QSGGeometryNode *createNode();
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NotesMaterial m_material;
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QSGGeometry m_nullGeometry;
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QSGGeometryNode *m_collapsedOverlay;
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QVector<QSGNode *> m_expandedRows;
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};
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const QSGGeometry::AttributeSet &NotesGeometry::point2DWithDistanceFromTop()
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{
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static QSGGeometry::Attribute data[] = {
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QSGGeometry::Attribute::create(0, 2, GL_FLOAT, true),
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QSGGeometry::Attribute::create(1, 1, GL_FLOAT),
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};
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static QSGGeometry::AttributeSet attrs = {
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2,
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sizeof(Point2DWithDistanceFromTop),
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data
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};
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return attrs;
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}
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const TimelineNotesRenderPass *TimelineNotesRenderPass::instance()
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{
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static const TimelineNotesRenderPass pass;
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return &pass;
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}
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TimelineNotesRenderPass::TimelineNotesRenderPass()
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{
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}
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TimelineRenderPass::State *TimelineNotesRenderPass::update(const TimelineAbstractRenderer *renderer,
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const TimelineRenderState *parentState,
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State *oldState, int firstIndex,
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int lastIndex, bool stateChanged,
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float spacing) const
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{
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Q_UNUSED(firstIndex);
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Q_UNUSED(lastIndex);
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Q_UNUSED(spacing);
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const TimelineNotesModel *notes = renderer->notes();
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const TimelineModel *model = renderer->model();
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if (!model || !notes)
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return oldState;
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TimelineNotesRenderPassState *state;
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if (oldState == 0) {
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state = new TimelineNotesRenderPassState(model->expandedRowCount());
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} else {
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if (!stateChanged && !renderer->notesDirty())
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return oldState;
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state = static_cast<TimelineNotesRenderPassState *>(oldState);
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}
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QVector<QVector<int> > expanded(model->expandedRowCount());
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QVector<int> collapsed;
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for (int i = 0; i < qMin(notes->count(), NotesGeometry::maxNotes); ++i) {
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if (notes->timelineModel(i) != model->modelId())
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continue;
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int timelineIndex = notes->timelineIndex(i);
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if (model->startTime(timelineIndex) > parentState->end() ||
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model->endTime(timelineIndex) < parentState->start())
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continue;
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expanded[model->expandedRow(timelineIndex)] << timelineIndex;
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collapsed << timelineIndex;
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}
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QSGGeometryNode *collapsedNode = static_cast<QSGGeometryNode *>(state->collapsedOverlay());
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if (collapsed.count() > 0) {
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collapsedNode->setGeometry(NotesGeometry::createGeometry(collapsed, model, parentState,
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true));
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collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, true);
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} else {
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collapsedNode->setGeometry(state->nullGeometry());
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collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, false);
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}
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for (int row = 0; row < model->expandedRowCount(); ++row) {
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QSGGeometryNode *rowNode = static_cast<QSGGeometryNode *>(state->expandedRow(row));
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if (expanded[row].isEmpty()) {
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rowNode->setGeometry(state->nullGeometry());
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rowNode->setFlag(QSGGeometryNode::OwnsGeometry, false);
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} else {
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rowNode->setGeometry(NotesGeometry::createGeometry(expanded[row], model, parentState,
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false));
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collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, true);
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}
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}
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return state;
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}
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TimelineNotesRenderPassState::TimelineNotesRenderPassState(int numExpandedRows) :
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m_nullGeometry(NotesGeometry::point2DWithDistanceFromTop(), 0)
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{
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m_material.setFlag(QSGMaterial::Blending, true);
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m_expandedRows.reserve(numExpandedRows);
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for (int i = 0; i < numExpandedRows; ++i)
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m_expandedRows << createNode();
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m_collapsedOverlay = createNode();
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}
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TimelineNotesRenderPassState::~TimelineNotesRenderPassState()
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{
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qDeleteAll(m_expandedRows);
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delete m_collapsedOverlay;
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}
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QSGGeometryNode *TimelineNotesRenderPassState::createNode()
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{
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QSGGeometryNode *node = new QSGGeometryNode;
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node->setGeometry(&m_nullGeometry);
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node->setMaterial(&m_material);
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node->setFlag(QSGNode::OwnedByParent, false);
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return node;
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}
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QSGGeometry *NotesGeometry::createGeometry(QVector<int> &ids, const TimelineModel *model,
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const TimelineRenderState *parentState, bool collapsed)
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{
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float rowHeight = TimelineModel::defaultRowHeight();
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QSGGeometry *geometry = new QSGGeometry(point2DWithDistanceFromTop(),
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ids.count() * 2);
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Q_ASSERT(geometry->vertexData());
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geometry->setDrawingMode(GL_LINES);
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geometry->setLineWidth(3);
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Point2DWithDistanceFromTop *v =
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static_cast<Point2DWithDistanceFromTop *>(geometry->vertexData());
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for (int i = 0; i < ids.count(); ++i) {
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int timelineIndex = ids[i];
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float horizontalCenter = ((model->startTime(timelineIndex) +
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model->endTime(timelineIndex)) / (qint64)2 -
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parentState->start()) * parentState->scale();
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float verticalStart = (collapsed ? (model->collapsedRow(timelineIndex) + 0.1) : 0.1) *
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rowHeight;
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float verticalEnd = verticalStart + 0.8 * rowHeight;
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v[i * 2].set(horizontalCenter, verticalStart, 0);
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v[i * 2 + 1].set(horizontalCenter, verticalEnd, 1);
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}
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return geometry;
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}
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class NotesMaterialShader : public QSGMaterialShader
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{
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public:
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NotesMaterialShader();
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virtual void updateState(const RenderState &state, QSGMaterial *newEffect,
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QSGMaterial *oldEffect);
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virtual char const *const *attributeNames() const;
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private:
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virtual void initialize();
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int m_matrix_id;
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int m_z_range_id;
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int m_color_id;
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};
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NotesMaterialShader::NotesMaterialShader()
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: QSGMaterialShader()
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{
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setShaderSourceFile(QOpenGLShader::Vertex, QStringLiteral(":/tracing/notes.vert"));
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setShaderSourceFile(QOpenGLShader::Fragment, QStringLiteral(":/tracing/notes.frag"));
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}
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void NotesMaterialShader::updateState(const RenderState &state, QSGMaterial *, QSGMaterial *)
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{
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if (state.isMatrixDirty()) {
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program()->setUniformValue(m_matrix_id, state.combinedMatrix());
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program()->setUniformValue(m_z_range_id, GLfloat(1.0));
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const QColor notesColor = Utils::creatorTheme()
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? Utils::creatorTheme()->color(Utils::Theme::Timeline_HighlightColor)
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: QColor(255, 165, 0);
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program()->setUniformValue(m_color_id, notesColor);
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}
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}
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char const *const *NotesMaterialShader::attributeNames() const
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{
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static const char *const attr[] = {"vertexCoord", "distanceFromTop", 0};
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return attr;
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}
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void NotesMaterialShader::initialize()
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{
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m_matrix_id = program()->uniformLocation("matrix");
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m_z_range_id = program()->uniformLocation("_qt_zRange");
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m_color_id = program()->uniformLocation("notesColor");
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}
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QSGMaterialType *NotesMaterial::type() const
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{
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static QSGMaterialType type;
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return &type;
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}
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QSGMaterialShader *NotesMaterial::createShader() const
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{
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return new NotesMaterialShader;
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}
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void Point2DWithDistanceFromTop::set(float nx, float ny, float nd)
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{
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x = nx; y = ny; d = nd;
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}
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} // namespace Timeline
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