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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef TRIANGLERENDERER_H
#define TRIANGLERENDERER_H
#include <QtGui/private/qrhi_p.h>
class TriangleRenderer
{
public:
void setRhi(QRhi *r) { m_r = r; }
void setSampleCount(int samples) { m_sampleCount = samples; }
int sampleCount() const { return m_sampleCount; }
void setTranslation(const QVector3D &v) { m_translation = v; }
void setScale(float f) { m_scale = f; }
void setDepthWrite(bool enable) { m_depthWrite = enable; }
void setColorAttCount(int count) { m_colorAttCount = count; }
QRhiGraphicsPipeline *pipeline() const { return m_ps; }
void initResources(QRhiRenderPassDescriptor *rp);
void releaseResources();
void resize(const QSize &pixelSize);
void queueResourceUpdates(QRhiResourceUpdateBatch *resourceUpdates);
void queueDraw(QRhiCommandBuffer *cb, const QSize &outputSizeInPixels);
private:
QRhi *m_r;
QRhiBuffer *m_vbuf = nullptr;
bool m_vbufReady = false;
QRhiBuffer *m_ubuf = nullptr;
QRhiShaderResourceBindings *m_srb = nullptr;
QRhiGraphicsPipeline *m_ps = nullptr;
QVector3D m_translation;
float m_scale = 1;
bool m_depthWrite = false;
int m_colorAttCount = 1;
QMatrix4x4 m_proj;
float m_rotation = 0;
float m_opacity = 1;
int m_opacityDir = -1;
int m_sampleCount = 1; // no MSAA by default
};
#endif
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