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Diffstat (limited to 'src/plugins/renderers/opengl/renderer/rendercommand_p.h')
| -rw-r--r-- | src/plugins/renderers/opengl/renderer/rendercommand_p.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/plugins/renderers/opengl/renderer/rendercommand_p.h b/src/plugins/renderers/opengl/renderer/rendercommand_p.h new file mode 100644 index 000000000..123ff232b --- /dev/null +++ b/src/plugins/renderers/opengl/renderer/rendercommand_p.h @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** 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 <renderviewjobutils_p.h> +#include <Qt3DRender/private/handle_types_p.h> +#include <Qt3DRender/qgeometryrenderer.h> +#include <QOpenGLShaderProgram> +#include <QOpenGLTexture> +#include <QMatrix4x4> + +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 + QVector<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); } + +struct EntityRenderCommandData +{ + QVector<Entity *> entities; + QVector<RenderCommand> commands; + QVector<RenderPassParameterData> passesData; + + void reserve(int size) + { + entities.reserve(size); + commands.reserve(size); + passesData.reserve(size); + } + + inline int size() const { return entities.size(); } + + inline void push_back(Entity *e, const RenderCommand &c, const RenderPassParameterData &p) + { + entities.push_back(e); + commands.push_back(c); + passesData.push_back(p); + } + + inline void push_back(Entity *e, RenderCommand &&c, RenderPassParameterData &&p) + { + entities.push_back(e); + commands.push_back(std::move(c)); + passesData.push_back(std::move(p)); + } + + EntityRenderCommandData &operator+=(EntityRenderCommandData &&t) + { + entities += std::move(t.entities); + commands += std::move(t.commands); + passesData += std::move(t.passesData); + return *this; + } + +}; + +using EntityRenderCommandDataPtr = QSharedPointer<EntityRenderCommandData>; + +} // namespace OpenGL + +} // namespace Render + +} // namespace Qt3DRender + +QT_END_NAMESPACE + +#endif // QT3DRENDER_RENDER_OPENGL_RENDERCOMMAND_H |