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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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>;
enum RebuildFlag {
FullCommandRebuild = 1 << 0,
LayerCacheRebuild = 1 << 1,
MaterialCacheRebuild = 1 << 2,
LightCacheRebuild = 1 << 3
};
Q_DECLARE_FLAGS(RebuildFlagSet, RebuildFlag)
Q_DECLARE_OPERATORS_FOR_FLAGS(RebuildFlagSet)
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
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