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Diffstat (limited to 'src/render/backends/gl/Qt3DSRenderBackendGL3.h')
| -rw-r--r-- | src/render/backends/gl/Qt3DSRenderBackendGL3.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/render/backends/gl/Qt3DSRenderBackendGL3.h b/src/render/backends/gl/Qt3DSRenderBackendGL3.h new file mode 100644 index 0000000..ea77270 --- /dev/null +++ b/src/render/backends/gl/Qt3DSRenderBackendGL3.h @@ -0,0 +1,173 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2012 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#pragma once +#ifndef QT3DS_RENDER_BACKEND_GL3_H +#define QT3DS_RENDER_BACKEND_GL3_H + +/// @file Qt3DSRenderBackendGL3.h +/// NVRender OpenGL 3 backend definition. + +#include "foundation/Qt3DSAtomic.h" +#include "render/backends/gl/Qt3DSRenderBackendGLBase.h" +#include "render/backends/gl/Qt3DSOpenGLExtensions.h" + +#include <QtGui/QOpenGLExtraFunctions> +#include <QtOpenGLExtensions/QtOpenGLExtensions> + +namespace qt3ds { +namespace render { + + ///< forward declaration + class NVRenderBackendMiscStateGL; + + using namespace foundation; + + class NVRenderBackendGL3Impl : public NVRenderBackendGLBase + { + public: + /// constructor + NVRenderBackendGL3Impl(NVFoundationBase &fnd, + qt3ds::foundation::IStringTable &stringTable, + const QSurfaceFormat &format); + /// destructor + virtual ~NVRenderBackendGL3Impl(); + + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Foundation) + + public: + QT3DSU32 GetDepthBits() const override; + QT3DSU32 GetStencilBits() const override; + void GenerateMipMaps(NVRenderBackendTextureObject to, + NVRenderTextureTargetType::Enum target, + NVRenderHint::Enum genType) override; + + void SetMultisampledTextureData2D(NVRenderBackendTextureObject to, + NVRenderTextureTargetType::Enum target, + size_t samples, + NVRenderTextureFormats::Enum internalFormat, + size_t width, size_t height, + bool fixedsamplelocations) override; + + void SetTextureData3D(NVRenderBackendTextureObject to, + NVRenderTextureTargetType::Enum target, QT3DSU32 level, + NVRenderTextureFormats::Enum internalFormat, size_t width, + size_t height, size_t depth, QT3DSI32 border, + NVRenderTextureFormats::Enum format, + const void *hostPtr = NULL) override; + + void UpdateSampler( + NVRenderBackendSamplerObject so, NVRenderTextureTargetType::Enum target, + NVRenderTextureMinifyingOp::Enum minFilter = NVRenderTextureMinifyingOp::Linear, + NVRenderTextureMagnifyingOp::Enum magFilter = NVRenderTextureMagnifyingOp::Linear, + NVRenderTextureCoordOp::Enum wrapS = NVRenderTextureCoordOp::ClampToEdge, + NVRenderTextureCoordOp::Enum wrapT = NVRenderTextureCoordOp::ClampToEdge, + NVRenderTextureCoordOp::Enum wrapR = NVRenderTextureCoordOp::ClampToEdge, + QT3DSF32 minLod = -1000.0, QT3DSF32 maxLod = 1000.0, QT3DSF32 lodBias = 0.0, + NVRenderTextureCompareMode::Enum compareMode = NVRenderTextureCompareMode::NoCompare, + NVRenderTextureCompareOp::Enum compareFunc = NVRenderTextureCompareOp::LessThanOrEqual, + QT3DSF32 anisotropy = 1.0, QT3DSF32 *borderColor = NULL) override; + + void UpdateTextureObject(NVRenderBackendTextureObject to, + NVRenderTextureTargetType::Enum target, QT3DSI32 baseLevel, + QT3DSI32 maxLevel) override; + + void UpdateTextureSwizzle(NVRenderBackendTextureObject to, + NVRenderTextureTargetType::Enum target, + NVRenderTextureSwizzleMode::Enum swizzleMode) override; + + bool SetInputAssembler(NVRenderBackendInputAssemblerObject iao, + NVRenderBackendShaderProgramObject po) override; + + void ReleaseInputAssembler(NVRenderBackendInputAssemblerObject iao) override; + + void SetDrawBuffers(NVRenderBackendRenderTargetObject rto, + NVConstDataRef<QT3DSI32> inDrawBufferSet) override; + void SetReadBuffer(NVRenderBackendRenderTargetObject rto, + NVReadFaces::Enum inReadFace) override; + + void RenderTargetAttach(NVRenderBackendRenderTargetObject rto, + NVRenderFrameBufferAttachments::Enum attachment, + NVRenderBackendTextureObject to, QT3DSI32 level, QT3DSI32 layer) override; + void SetReadTarget(NVRenderBackendRenderTargetObject rto) override; + + void BlitFramebuffer(QT3DSI32 srcX0, QT3DSI32 srcY0, QT3DSI32 srcX1, QT3DSI32 srcY1, + QT3DSI32 dstX0, QT3DSI32 dstY0, QT3DSI32 dstX1, QT3DSI32 dstY1, + NVRenderClearFlags flags, + NVRenderTextureMagnifyingOp::Enum filter) override; + + void *MapBuffer(NVRenderBackendBufferObject bo, NVRenderBufferBindFlags bindFlags, + size_t offset, size_t length, + NVRenderBufferAccessFlags accessFlags) override; + bool UnmapBuffer(NVRenderBackendBufferObject bo, NVRenderBufferBindFlags bindFlags) override; + + QT3DSI32 GetConstantBufferCount(NVRenderBackendShaderProgramObject po) override; + QT3DSI32 GetConstantBufferInfoByID(NVRenderBackendShaderProgramObject po, QT3DSU32 id, + QT3DSU32 nameBufSize, QT3DSI32 *paramCount, + QT3DSI32 *bufferSize, QT3DSI32 *length, char *nameBuf) override; + void GetConstantBufferParamIndices(NVRenderBackendShaderProgramObject po, QT3DSU32 id, + QT3DSI32 *indices) override; + void GetConstantBufferParamInfoByIndices(NVRenderBackendShaderProgramObject po, + QT3DSU32 count, QT3DSU32 *indices, QT3DSI32 *type, + QT3DSI32 *size, QT3DSI32 *offset) override; + void ProgramSetConstantBlock(NVRenderBackendShaderProgramObject po, + QT3DSU32 blockIndex, QT3DSU32 binding) override; + void ProgramSetConstantBuffer(QT3DSU32 index, NVRenderBackendBufferObject bo) override; + + NVRenderBackendQueryObject CreateQuery() override; + void ReleaseQuery(NVRenderBackendQueryObject qo) override; + void BeginQuery(NVRenderBackendQueryObject qo, NVRenderQueryType::Enum type) override; + void EndQuery(NVRenderBackendQueryObject qo, NVRenderQueryType::Enum type) override; + void GetQueryResult(NVRenderBackendQueryObject qo, + NVRenderQueryResultType::Enum resultType, QT3DSU32 *params) override; + void GetQueryResult(NVRenderBackendQueryObject qo, + NVRenderQueryResultType::Enum resultType, QT3DSU64 *params) override; + void SetQueryTimer(NVRenderBackendQueryObject qo) override; + + NVRenderBackendSyncObject CreateSync(NVRenderSyncType::Enum tpye, + NVRenderSyncFlags syncFlags) override; + void ReleaseSync(NVRenderBackendSyncObject so) override; + void WaitSync(NVRenderBackendSyncObject so, NVRenderCommandFlushFlags syncFlags, + QT3DSU64 timeout) override; + + protected: + NVRenderBackendMiscStateGL *m_pCurrentMiscState; ///< this holds the current misc state +#if defined(QT_OPENGL_ES_2) + Qt3DSOpenGLES2Extensions *m_qt3dsExtensions; +#else + QOpenGLExtension_ARB_timer_query *m_timerExtension; + QOpenGLExtension_ARB_tessellation_shader *m_tessellationShader; + QOpenGLExtension_ARB_texture_multisample *m_multiSample; + Qt3DSOpenGLExtensions *m_qt3dsExtensions; +#endif + }; +} +} + +#endif |