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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
** Copyright (C) 2016 Robin Burchell <robin.burchell@viroteck.net>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QSGRHIVISUALIZER_P_H
#define QSGRHIVISUALIZER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qsgbatchrenderer_p.h"
QT_BEGIN_NAMESPACE
namespace QSGBatchRenderer
{
class RhiVisualizer : public Visualizer
{
public:
RhiVisualizer(Renderer *renderer);
~RhiVisualizer();
void prepareVisualize() override;
void visualize() override;
void releaseResources() override;
struct DrawCall
{
static const int UBUF_SIZE = 152; // visualization.vert/frag
struct {
char data[UBUF_SIZE]; // matrix, rotation, color, pattern, projection
} uniforms;
struct {
QRhiGraphicsPipeline::Topology topology;
QRhiVertexInputAttribute::Format format;
int count;
int stride;
const void *data; // only when using own vbuf
} vertex;
struct {
QRhiCommandBuffer::IndexFormat format;
int count;
int stride;
const void *data; // only when using own ibuf
} index;
struct {
QRhiBuffer *vbuf; // either same for all draw calls and owned by the *Vis, or points to a Batch.Buffer.vbo.buf
int vbufOffset;
QRhiBuffer *ibuf; // same, but for index
int ibufOffset;
int ubufOffset;
} buf;
};
private:
QShader m_vs;
QShader m_fs;
void recordDrawCalls(const QVector<DrawCall> &drawCalls,
QRhiCommandBuffer *cb,
QRhiShaderResourceBindings *srb,
bool blendOneOne = false);
class PipelineCache {
public:
QRhiGraphicsPipeline *pipeline(RhiVisualizer *visualizer,
QRhi *rhi,
QRhiShaderResourceBindings *srb,
QRhiRenderPassDescriptor *rpDesc,
QRhiGraphicsPipeline::Topology topology,
QRhiVertexInputAttribute::Format vertexFormat,
quint32 vertexStride,
bool blendOneOne);
void releaseResources();
private:
struct Pipeline {
QRhiGraphicsPipeline::Topology topology;
QRhiVertexInputAttribute::Format format;
quint32 stride;
QRhiGraphicsPipeline *ps;
};
QVarLengthArray<Pipeline, 16> pipelines;
};
PipelineCache m_pipelines;
class Fade {
public:
void prepare(RhiVisualizer *visualizer,
QRhi *rhi, QRhiResourceUpdateBatch *u, QRhiRenderPassDescriptor *rpDesc);
void releaseResources();
void render(QRhiCommandBuffer *cb);
private:
RhiVisualizer *visualizer;
QRhiBuffer *vbuf = nullptr;
QRhiBuffer *ubuf = nullptr;
QRhiGraphicsPipeline *ps = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
} m_fade;
class ChangeVis {
public:
void prepare(Node *n, RhiVisualizer *visualizer,
QRhi *rhi, QRhiResourceUpdateBatch *u);
void releaseResources();
void render(QRhiCommandBuffer *cb);
private:
void gather(Node *n);
RhiVisualizer *visualizer;
QVector<DrawCall> drawCalls;
QRhiBuffer *vbuf = nullptr;
QRhiBuffer *ibuf = nullptr;
QRhiBuffer *ubuf = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
} m_changeVis;
class BatchVis {
public:
void prepare(const QDataBuffer<Batch *> &opaqueBatches,
const QDataBuffer<Batch *> &alphaBatches,
RhiVisualizer *visualizer,
QRhi *rhi, QRhiResourceUpdateBatch *u,
bool forceUintIndex);
void releaseResources();
void render(QRhiCommandBuffer *cb);
private:
void gather(Batch *b);
RhiVisualizer *visualizer;
bool forceUintIndex;
QVector<DrawCall> drawCalls;
QRhiBuffer *ubuf = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
} m_batchVis;
class ClipVis {
public:
void prepare(QSGNode *node, RhiVisualizer *visualizer,
QRhi *rhi, QRhiResourceUpdateBatch *u);
void releaseResources();
void render(QRhiCommandBuffer *cb);
private:
void gather(QSGNode *node);
RhiVisualizer *visualizer;
QVector<DrawCall> drawCalls;
QRhiBuffer *vbuf = nullptr;
QRhiBuffer *ibuf = nullptr;
QRhiBuffer *ubuf = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
} m_clipVis;
class OverdrawVis {
public:
void prepare(Node *n, RhiVisualizer *visualizer,
QRhi *rhi, QRhiResourceUpdateBatch *u);
void releaseResources();
void render(QRhiCommandBuffer *cb);
private:
void gather(Node *n);
RhiVisualizer *visualizer;
QVector<DrawCall> drawCalls;
QRhiBuffer *vbuf = nullptr;
QRhiBuffer *ibuf = nullptr;
QRhiBuffer *ubuf = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
float step = 0.0f;
QMatrix4x4 rotation;
struct {
QRhiBuffer *vbuf = nullptr;
QRhiBuffer *ubuf = nullptr;
QRhiShaderResourceBindings *srb = nullptr;
QRhiGraphicsPipeline *ps = nullptr;
} box;
} m_overdrawVis;
friend class Fade;
friend class PipelineCache;
friend class ChangeVis;
friend class ClipVis;
friend class OverdrawVis;
};
} // namespace QSGBatchRenderer
QT_END_NAMESPACE
#endif // QSGRHIVISUALIZER_P_H
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