| /**************************************************************************** |
| ** |
| ** Copyright (C) 2008-2012 NVIDIA Corporation. |
| ** Copyright (C) 2019 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of Qt Quick 3D. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) 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.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-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QSSG_RENDER_BACKEND_GL4_H |
| #define QSSG_RENDER_BACKEND_GL4_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. |
| // |
| |
| /// @file QSSGrenderbackendgl4.h |
| /// NVRender OpenGL 4 backend definition. |
| |
| #include <QtQuick3DRender/private/qssgrenderbackendgl3_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSSGRenderBackendGL4Impl : public QSSGRenderBackendGL3Impl |
| { |
| public: |
| /// constructor |
| QSSGRenderBackendGL4Impl(const QSurfaceFormat &format); |
| /// destructor |
| virtual ~QSSGRenderBackendGL4Impl() override; |
| |
| QByteArray getShadingLanguageVersion() final; |
| QSSGRenderContextType getRenderContextType() const final; |
| |
| void createTextureStorage2D(QSSGRenderBackendTextureObject to, |
| QSSGRenderTextureTargetType target, |
| qint32 levels, |
| QSSGRenderTextureFormat internalFormat, |
| qint32 width, |
| qint32 height) override; |
| |
| void setMultisampledTextureData2D(QSSGRenderBackendTextureObject to, |
| QSSGRenderTextureTargetType target, |
| qint32 samples, |
| QSSGRenderTextureFormat internalFormat, |
| qint32 width, |
| qint32 height, |
| bool fixedsamplelocations) override; |
| |
| void setConstantValue(QSSGRenderBackendShaderProgramObject po, |
| quint32 id, |
| QSSGRenderShaderDataType type, |
| qint32 count, |
| const void *value, |
| bool transpose) override; |
| |
| void setPatchVertexCount(QSSGRenderBackendInputAssemblerObject iao, quint32 count) override; |
| virtual QSSGRenderBackendTessControlShaderObject createTessControlShader(QSSGByteView source, |
| QByteArray &errorMessage, |
| bool binary) override; |
| virtual QSSGRenderBackendTessEvaluationShaderObject createTessEvaluationShader(QSSGByteView source, |
| QByteArray &errorMessage, |
| bool binary) override; |
| virtual QSSGRenderBackendGeometryShaderObject createGeometryShader(QSSGByteView source, |
| QByteArray &errorMessage, |
| bool binary) override; |
| |
| qint32 getStorageBufferCount(QSSGRenderBackendShaderProgramObject po) override; |
| qint32 getStorageBufferInfoByID(QSSGRenderBackendShaderProgramObject po, |
| quint32 id, |
| quint32 nameBufSize, |
| qint32 *paramCount, |
| qint32 *bufferSize, |
| qint32 *length, |
| char *nameBuf) override; |
| void programSetStorageBuffer(quint32 index, QSSGRenderBackendBufferObject bo) override; |
| |
| void setMemoryBarrier(QSSGRenderBufferBarrierFlags barriers) override; |
| void bindImageTexture(QSSGRenderBackendTextureObject to, |
| quint32 unit, |
| qint32 level, |
| bool layered, |
| qint32 layer, |
| QSSGRenderImageAccessType access, |
| QSSGRenderTextureFormat format) override; |
| |
| virtual QSSGRenderBackendComputeShaderObject createComputeShader(QSSGByteView source, |
| QByteArray &errorMessage, |
| bool binary) override; |
| void dispatchCompute(QSSGRenderBackendShaderProgramObject po, quint32 numGroupsX, quint32 numGroupsY, quint32 numGroupsZ) override; |
| |
| QSSGRenderBackendProgramPipeline createProgramPipeline() override; |
| void releaseProgramPipeline(QSSGRenderBackendProgramPipeline ppo) override; |
| void setActiveProgramPipeline(QSSGRenderBackendProgramPipeline ppo) override; |
| void setProgramStages(QSSGRenderBackendProgramPipeline ppo, |
| QSSGRenderShaderTypeFlags flags, |
| QSSGRenderBackendShaderProgramObject po) override; |
| |
| void setBlendEquation(const QSSGRenderBlendEquationArgument &pBlendEquArg) override; |
| void setBlendBarrier(void) override; |
| |
| |
| |
| private: |
| #if !defined(QT_OPENGL_ES) |
| QOpenGLExtension_EXT_direct_state_access *m_directStateAccess; |
| #endif |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |