-
Ulf Hermann authored
Change-Id: Ib5c0ec44bac213f544dfce533299bee03213b374 Reviewed-by:
Kai Koehne <kai.koehne@theqtcompany.com>
Ulf Hermann authoredChange-Id: Ib5c0ec44bac213f544dfce533299bee03213b374 Reviewed-by:
Kai Koehne <kai.koehne@theqtcompany.com>
timelinenotesrenderpass.cpp 9.10 KiB
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#include "timelinenotesrenderpass.h"
#include "timelinerenderstate.h"
#include "qmlprofilernotesmodel.h"
namespace Timeline {
struct Point2DWithDistanceFromTop {
float x, y, d;
void set(float nx, float ny, float nd);
};
class NotesMaterial : public QSGMaterial
{
public:
QSGMaterialType *type() const;
QSGMaterialShader *createShader() const;
};
struct NotesGeometry
{
static const int maxNotes;
static const QSGGeometry::AttributeSet &point2DWithDistanceFromTop();
static QSGGeometry *createGeometry(QVector<int> &ids, const TimelineModel *model,
const TimelineRenderState *parentState, bool collapsed);
};
const int NotesGeometry::maxNotes = 0xffff / 2;
struct TimelineNotesRenderPassState : public TimelineRenderPass::State
{
TimelineNotesRenderPassState(int expandedRows);
QSGGeometryNode *createNode();
NotesMaterial material;
QSGGeometry nullGeometry;
QSGGeometryNode *m_collapsedOverlay;
QVector<QSGNode *> m_expandedRows;
QSGNode *collapsedOverlay() const { return m_collapsedOverlay; }
const QVector<QSGNode *> &expandedRows() const { return m_expandedRows; }
};
const QSGGeometry::AttributeSet &NotesGeometry::point2DWithDistanceFromTop()
{
static QSGGeometry::Attribute data[] = {
QSGGeometry::Attribute::create(0, 2, GL_FLOAT, true),
QSGGeometry::Attribute::create(1, 1, GL_FLOAT),
};
static QSGGeometry::AttributeSet attrs = {
2,
sizeof(Point2DWithDistanceFromTop),
data
};
return attrs;
}
const TimelineNotesRenderPass *TimelineNotesRenderPass::instance()
{
static const TimelineNotesRenderPass pass;
return &pass;
}
TimelineNotesRenderPass::TimelineNotesRenderPass()
{
}
TimelineRenderPass::State *TimelineNotesRenderPass::update(const TimelineAbstractRenderer *renderer,
const TimelineRenderState *parentState,
State *oldState, int firstIndex,
int lastIndex, bool stateChanged,
qreal spacing) const
{
Q_UNUSED(firstIndex);
Q_UNUSED(lastIndex);
Q_UNUSED(spacing);
const TimelineNotesModel *notes = renderer->notes();
const TimelineModel *model = renderer->model();
if (!model || !notes)
return oldState;
TimelineNotesRenderPassState *state;
if (oldState == 0) {
state = new TimelineNotesRenderPassState(model->expandedRowCount());
} else {
if (!stateChanged && !renderer->notesDirty())
return oldState;
state = static_cast<TimelineNotesRenderPassState *>(oldState);
}
QVector<QVector<int> > expanded(model->expandedRowCount());
QVector<int> collapsed;
for (int i = 0; i < qMin(notes->count(), NotesGeometry::maxNotes); ++i) {
if (notes->timelineModel(i) != model->modelId())
continue;
int timelineIndex = notes->timelineIndex(i);
if (model->startTime(timelineIndex) > parentState->end() ||
model->endTime(timelineIndex) < parentState->start())
continue;
expanded[model->expandedRow(timelineIndex)] << timelineIndex;
collapsed << timelineIndex;
}
QSGGeometryNode *collapsedNode = state->m_collapsedOverlay;
if (collapsed.count() > 0) {
collapsedNode->setGeometry(NotesGeometry::createGeometry(collapsed, model, parentState,
true));
collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, true);
} else {
collapsedNode->setGeometry(&state->nullGeometry);
collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, false);
}
for (int row = 0; row < model->expandedRowCount(); ++row) {
QSGGeometryNode *rowNode = static_cast<QSGGeometryNode *>(state->m_expandedRows[row]);
if (expanded[row].isEmpty()) {
rowNode->setGeometry(&state->nullGeometry);
rowNode->setFlag(QSGGeometryNode::OwnsGeometry, false);
} else {
rowNode->setGeometry(NotesGeometry::createGeometry(expanded[row], model, parentState,
false));
collapsedNode->setFlag(QSGGeometryNode::OwnsGeometry, true);
}
}
return state;
}
TimelineNotesRenderPassState::TimelineNotesRenderPassState(int numExpandedRows) :
nullGeometry(NotesGeometry::point2DWithDistanceFromTop(), 0)
{
material.setFlag(QSGMaterial::Blending, true);
m_expandedRows.reserve(numExpandedRows);
for (int i = 0; i < numExpandedRows; ++i)
m_expandedRows << createNode();
m_collapsedOverlay = createNode();
}
QSGGeometryNode *TimelineNotesRenderPassState::createNode()
{
QSGGeometryNode *node = new QSGGeometryNode;
node->setGeometry(&nullGeometry);
node->setMaterial(&material);
return node;
}
QSGGeometry *NotesGeometry::createGeometry(QVector<int> &ids, const TimelineModel *model,
const TimelineRenderState *parentState, bool collapsed)
{
float rowHeight = TimelineModel::defaultRowHeight();
QSGGeometry *geometry = new QSGGeometry(point2DWithDistanceFromTop(),
ids.count() * 2);
geometry->setDrawingMode(GL_LINES);
geometry->setLineWidth(3);
Point2DWithDistanceFromTop *v =
static_cast<Point2DWithDistanceFromTop *>(geometry->vertexData());
for (int i = 0; i < ids.count(); ++i) {
int timelineIndex = ids[i];
float horizontalCenter = ((model->startTime(timelineIndex) +
model->endTime(timelineIndex)) / (qint64)2 -
parentState->start()) * parentState->scale();
float verticalStart = (collapsed ? (model->collapsedRow(timelineIndex) + 0.1) : 0.1) *
rowHeight;
float verticalEnd = verticalStart + 0.8 * rowHeight;
v[i * 2].set(horizontalCenter, verticalStart, 0);
v[i * 2 + 1].set(horizontalCenter, verticalEnd, 1);
}
return geometry;
}
class NotesMaterialShader : public QSGMaterialShader
{
public:
NotesMaterialShader();
virtual void updateState(const RenderState &state, QSGMaterial *newEffect,
QSGMaterial *oldEffect);
virtual char const *const *attributeNames() const;
private:
virtual void initialize();
int m_matrix_id;
int m_z_range_id;
};
NotesMaterialShader::NotesMaterialShader()
: QSGMaterialShader()
{
setShaderSourceFile(QOpenGLShader::Vertex, QStringLiteral(":/qmlprofiler/notes.vert"));
setShaderSourceFile(QOpenGLShader::Fragment, QStringLiteral(":/qmlprofiler/notes.frag"));
}
void NotesMaterialShader::updateState(const RenderState &state, QSGMaterial *, QSGMaterial *)
{
if (state.isMatrixDirty()) {
program()->setUniformValue(m_matrix_id, state.combinedMatrix());
program()->setUniformValue(m_z_range_id, GLfloat(1.0));
}
}
char const *const *NotesMaterialShader::attributeNames() const
{
static const char *const attr[] = {"vertexCoord", "distanceFromTop", 0};
return attr;
}
void NotesMaterialShader::initialize()
{
m_matrix_id = program()->uniformLocation("matrix");
m_z_range_id = program()->uniformLocation("_qt_zRange");
}
QSGMaterialType *NotesMaterial::type() const
{
static QSGMaterialType type;
return &type;
}
QSGMaterialShader *NotesMaterial::createShader() const
{
return new NotesMaterialShader;
}
void Point2DWithDistanceFromTop::set(float nx, float ny, float nd)
{
x = nx; y = ny; d = nd;
}
} // namespace Timeline