rendercommand_p.h - mozsearch

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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).

// Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_RENDER_OPENGL_RENDERCOMMAND_H

#define QT3DRENDER_RENDER_OPENGL_RENDERCOMMAND_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <qglobal.h>

#include <shaderparameterpack_p.h>

#include <gl_handle_types_p.h>

#include <Qt3DRender/private/renderviewjobutils_p.h>

#include <Qt3DCore/private/vector_helper_p.h>

#include <Qt3DRender/private/handle_types_p.h>

#include <Qt3DRender/qgeometryrenderer.h>

#include <QOpenGLShaderProgram>

#include <QOpenGLTexture>

#include <QMatrix4x4>

#include <vector>

QT_BEGIN_NAMESPACE

class QOpenGLVertexArrayObject;

namespace Qt3DRender {

namespace Render {

class RenderStateSet;

using RenderStateSetPtr = QSharedPointer<RenderStateSet>;

namespace OpenGL {

class GLShader;

class Q_AUTOTEST_EXPORT RenderCommand

public:

    RenderCommand();

    HVao m_vao; // VAO used during the submission step to store all states and VBOs

    HMaterial m_material; // Purely used to ease sorting (minimize stage changes, binding changes ....)

    GLShader *m_glShader; // GL Shader to be used at render time

    Qt3DCore::QNodeId m_shaderId; // Shader for given pass and mesh

    ShaderParameterPack m_parameterPack; // Might need to be reworked so as to be able to destroy the

                            // Texture while submission is happening.

    RenderStateSetPtr m_stateSet;

    HGeometry m_geometry;

    HGeometryRenderer m_geometryRenderer;

    HBuffer m_indirectDrawBuffer; // Reference to indirect draw buffer (valid only m_drawIndirect == true)

    HComputeCommand m_computeCommand;

    // A QAttribute pack might be interesting

    // This is a temporary fix in the meantime, to remove the hacked methods in Technique

    std::vector<int> m_activeAttributes;

    float m_depth;

    int m_changeCost;

    enum CommandType {

        Draw,

        Compute

};

    CommandType m_type;

    int m_workGroups[3];

    // Values filled for draw calls by Renderer (in prepare Submission)

    GLsizei m_primitiveCount;

    QGeometryRenderer::PrimitiveType m_primitiveType;

    int m_restartIndexValue;

    int m_firstInstance;

    int m_firstVertex;

    int m_verticesPerPatch;

    int m_instanceCount;

    int m_indexOffset;

    uint m_indexAttributeByteOffset;

    GLint m_indexAttributeDataType;

    uint m_indirectAttributeByteOffset;

    bool m_drawIndexed;

    bool m_drawIndirect;

    bool m_primitiveRestartEnabled;

    bool m_isValid;

};

Q_AUTOTEST_EXPORT bool operator==(const RenderCommand &a, const RenderCommand &b) noexcept;

inline bool operator!=(const RenderCommand &lhs, const RenderCommand &rhs) noexcept

{ return !operator==(lhs, rhs); }

} // namespace OpenGL

} // namespace Render

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_OPENGL_RENDERCOMMAND_H