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/* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#pragma once
#include <memory>
#include "LuaWrappers.h"
#include "LuaFunctionBinding.h"
#include "RenderDevice.h"
#include "DeviceContext.h"
#include "RefCountedObjectImpl.h"
#include "RefCntAutoPtr.h"
namespace Diligent
{
class ScriptParser : public RefCountedObject<IObject>
{
public:
typedef RefCountedObject<IObject> TBase;
ScriptParser( IReferenceCounters* pRefCounters, IRenderDevice* pRenderDevice );
~ScriptParser();
virtual void QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface );
void Parse(const Char *pScript);
template<typename... ArgsType>
void Run(IDeviceContext *pContext, const ArgsType&... Args)
{
lua_pushstring( m_LuaState, DeviceContextRegistryKey ); // -0 | +1 -> +1
lua_pushlightuserdata( m_LuaState, pContext ); // -0 | +1 -> +1
lua_settable( m_LuaState, LUA_REGISTRYINDEX ); // -2 | +0 -> -2
m_RunFunctionCaller(Args...);
}
template<typename... ArgsType>
void Run( RefCntAutoPtr<IDeviceContext> &pContext, const ArgsType&... Args )
{
Run(pContext.RawPtr(), Args... );
}
template<typename... ArgsType>
void Run( const ArgsType&... Args )
{
Run( static_cast<IDeviceContext *>(nullptr), Args... );
}
void GetSamplerByName( const Char *SamplerName, ISampler** ppSampler );
void GetShaderByName( const Char *ShaderName, IShader** ppShader );
void GetBufferByName( const Char *BufferName, IBuffer** ppBuffer );
void GetTextureByName( const Char *TextureName, ITexture** ppTexture );
void GetResourceMappingByName( const Char *ResourceMappingName, IResourceMapping** ppResourceMapping );
void GetTextureViewByName( const Char *TextureViewName, ITextureView** ppTextureView );
void GetBufferViewByName( const Char *BufferViewName, IBufferView** ppTextureView );
void GetPipelineStateByName( const Char *PSOName, IPipelineState** ppPSO );
void GetShaderVariableByName( const Char *ShaderVarName, IShaderResourceVariable** ppShaderVar );
void GetShaderResourceBindingByName( const Char *SRBName, IShaderResourceBinding** ppSRB );
template<typename ValType>
void SetGlobalVariable( const Char *Name, ValType Var )
{
m_RunFunctionCaller.PushFuncStub( m_LuaState, Var );
lua_setglobal( m_LuaState, Name );
}
static const Char* DeviceContextRegistryKey;
private:
class SpecialPushFuncs
{
public:
SpecialPushFuncs() : m_pScriptParser( nullptr ){}
void SetScriptParser( ScriptParser *pScriptParser ){ m_pScriptParser = pScriptParser; }
void PushFuncStub( lua_State *L, const ISampler* pSampler );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<ISampler> &pSampler );
void PushFuncStub( lua_State *L, const IShader* pShader );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IShader> &pShader );
void PushFuncStub( lua_State *L, const IBuffer* pBuffer );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IBuffer> &pBuffer );
void PushFuncStub( lua_State *L, const ITexture* pTexture );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<ITexture> &pTexture );
void PushFuncStub( lua_State *L, const DrawAttribs &DrawAttribs );
void PushFuncStub( lua_State *L, const IResourceMapping* pResourceMapping );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IResourceMapping> &pResourceMapping );
void PushFuncStub( lua_State *L, const ITextureView* pTextureView );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<ITextureView> &pTextureView );
void PushFuncStub( lua_State *L, const IBufferView* pBufferView );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IBufferView> &pBufferView );
void PushFuncStub( lua_State *L, const IPipelineState* pPSO );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IPipelineState> &pPSO );
void PushFuncStub( lua_State *L, const Viewport &Viewport );
void PushFuncStub( lua_State *L, const Rect &Rect );
void PushFuncStub( lua_State *L, const IShaderResourceVariable* pShaderVar );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IShaderResourceVariable> &pShaderVar );
void PushFuncStub( lua_State *L, const IShaderResourceBinding* pShaderVar );
void PushFuncStub( lua_State *L, const RefCntAutoPtr<IShaderResourceBinding> &pShaderVar );
private:
ScriptParser *m_pScriptParser;
};
LuaFunctionCaller<SpecialPushFuncs> m_RunFunctionCaller;
void DefineGlobalConstants( lua_State *L );
Diligent::RefCntAutoPtr<IRenderDevice> m_pRenderDevice;
LuaState m_LuaState;
std::unique_ptr<class SamplerParser> m_pSamplerParser;
std::unique_ptr<class ShaderParser> m_pShaderParser;
std::unique_ptr<class BufferParser> m_pBufferParser;
std::unique_ptr<class TextureParser> m_pTextureParser;
std::unique_ptr<class DrawAttribsParser> m_pDrawAttribsParser;
std::unique_ptr<class ResourceMappingParser> m_pResourceMappingParser;
std::unique_ptr<class TextureViewParser> m_pTextureViewParser;
std::unique_ptr<class BufferViewParser> m_pBufferViewParser;
std::unique_ptr<class PSODescParser> m_pPSOParser;
std::unique_ptr<class DeviceContextFuncBindings> m_pDeviceCtxFuncBindings;
std::unique_ptr<class ViewportParser> m_pViewportParser;
std::unique_ptr<class ScissorRectParser> m_pScissorRectParser;
std::unique_ptr<class ShaderVariableParser> m_pShaderVariableParser;
std::unique_ptr<class ShaderResourceBindingParser> m_pShaderResBindingParser;
};
}
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