kaetemi
10 years ago
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660e72e756
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/*
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Copyright (C) 2015 Jan Boon <jan.boon@kaetemi.be>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NL_UNIFORM_BUFFER_H
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#define NL_UNIFORM_BUFFER_H
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#include <nel/misc/types_nl.h>
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#include <nel/misc/smart_ptr.h>
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#include <nel/misc/vector.h>
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#include <nel/misc/vector_2d.h>
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#include <nel/misc/vector_h.h>
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#include <nel/misc/matrix.h>
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#include <nel/3d/uniform_buffer_format.h>
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#define NL3D_UNIFORM_BUFFER_DEBUG 1
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namespace NLMISC {
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class CMatrix;
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}
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namespace NL3D {
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class CUniformBuffer;
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class IUBDrvInfos;
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typedef std::list<IUBDrvInfos*> TUBDrvInfoPtrList;
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typedef TUBDrvInfoPtrList::iterator ItUBDrvInfoPtrList;
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/*
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**** IMPORTANT ********************
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**** IF YOU MODIFY THE STRUCTURE OF THIS CLASS, PLEASE INCREMENT IDriver::InterfaceVersion TO INVALIDATE OLD DRIVER DLL
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***********************************
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*/
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// Uniform buffer
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class CUniformBuffer : public NLMISC::CRefCount
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{
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public:
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CUniformBuffer();
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~CUniformBuffer();
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void *lock();
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void unlock();
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inline void set(sint offset, float f) { reinterpret_cast<float &>(m_HostMemory[offset]) = f; }
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inline void set(sint offset, float f0, float f1) { float *f = reinterpret_cast<float *>(&m_HostMemory[offset]); f[0] = f0; f[1] = f1; }
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inline void set(sint offset, float f0, float f1, float f2) { float *f = reinterpret_cast<float *>(&m_HostMemory[offset]); f[0] = f0; f[1] = f1; f[2] = f2; }
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inline void set(sint offset, float f0, float f1, float f2, float f3) { float *f = reinterpret_cast<float *>(&m_HostMemory[offset]); f[0] = f0; f[1] = f1; f[2] = f2; f[3] = f3; }
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inline void set(sint offset, NLMISC::CVector2d vec2) { reinterpret_cast<NLMISC::CVector2d &>(m_HostMemory[offset]) = vec2; }
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inline void set(sint offset, NLMISC::CVector vec3) { reinterpret_cast<NLMISC::CVector &>(m_HostMemory[offset]) = vec3; }
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inline void set(sint offset, NLMISC::CVectorH vec4) { reinterpret_cast<NLMISC::CVectorH &>(m_HostMemory[offset]) = vec4; }
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inline void set(sint offset, NLMISC::CMatrix mat4) { float *f = reinterpret_cast<float *>(&m_HostMemory[offset]); mat4.get(f); }
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private:
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std::vector<char> m_HostMemory;
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public:
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CUniformBufferFormat Format;
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public: // Driver-only
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NLMISC::CRefPtr<IUBDrvInfos> DrvInfos;
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bool Touched;
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#if NL3D_UNIFORM_BUFFER_DEBUG
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sint Locked;
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#endif
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};
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// TODO: Investigate if more efficient or not to do like vertex_buffer and call into driver for locking (what are best practices for updating uniform buffers?)
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class IUBDrvInfos : public NLMISC::CRefCount
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{
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protected:
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IDriver *_Driver;
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private:
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ItUBDrvInfoPtrList _DriverIterator;
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public:
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NLMISC::CRefPtr<CUniformBuffer> UniformBufferPtr;
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IUBDrvInfos(IDriver *drv, ItUBDrvInfoPtrList it, CUniformBuffer *ub) { _Driver = drv; _DriverIterator = it; UniformBufferPtr = ub; }
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virtual ~IUBDrvInfos();
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};
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} /* namespace NL3D */
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#endif /* #ifndef NL_UNIFORM_BUFFER_H */
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/* end of file */
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@ -0,0 +1,82 @@
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/*
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Copyright (C) 2015 Jan Boon <jan.boon@kaetemi.be>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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|
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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||||
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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||||
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "std3d.h"
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#include <nel/3d/uniform_buffer.h>
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#include <nel/misc/debug.h>
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namespace NL3D {
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CUniformBuffer::CUniformBuffer()
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{
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// ...
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}
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CUniformBuffer::~CUniformBuffer()
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{
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/* ***********************************************
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* WARNING: This Class/Method must be thread-safe (ctor/dtor/serial): no static access for instance
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* It can be loaded/called through CAsyncFileManager for instance
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* ***********************************************/
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if (DrvInfos)
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DrvInfos->UniformBufferPtr = NULL; // Tell the driver info to not restaure memory when it will die
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// Must kill the drv mirror of this VB.
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DrvInfos.kill();
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}
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void *CUniformBuffer::lock()
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{
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m_HostMemory.reserve(Format.size());
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return &m_HostMemory[0];
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#if NL3D_UNIFORM_BUFFER_DEBUG
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++Locked;
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#endif
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}
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void CUniformBuffer::unlock()
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{
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#if NL3D_UNIFORM_BUFFER_DEBUG
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--Locked;
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nlassert(Locked >= 0);
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#endif
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Touched = true;
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}
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IUBDrvInfos::~IUBDrvInfos()
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{
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// TODO: _Driver->removeUBDrvInfoPtr(_DriverIterator);
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}
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} /* namespace NL3D */
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/* end of file */
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