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| author | Egor Yusov <egor.yusov@gmail.com> | 2015-10-21 04:05:29 +0000 |
|---|---|---|
| committer | Egor Yusov <egor.yusov@gmail.com> | 2015-10-21 04:05:29 +0000 |
| commit | f2e065dee10fb110e9d51175ee6381333319ef56 (patch) | |
| tree | da85ca78fe050280d7592bf6bf1071410846031f /RenderScript/src/BufferViewParser.cpp | |
| download | DiligentTools-f2e065dee10fb110e9d51175ee6381333319ef56.tar.gz DiligentTools-f2e065dee10fb110e9d51175ee6381333319ef56.zip | |
Release v1.0.0
Diffstat (limited to 'RenderScript/src/BufferViewParser.cpp')
| -rw-r--r-- | RenderScript/src/BufferViewParser.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/RenderScript/src/BufferViewParser.cpp b/RenderScript/src/BufferViewParser.cpp new file mode 100644 index 0000000..c86bace --- /dev/null +++ b/RenderScript/src/BufferViewParser.cpp @@ -0,0 +1,105 @@ +/* Copyright 2015 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. + */ + +#include "pch.h" +#include "BufferViewParser.h" +#include "BufferParser.h" +#include "SamplerParser.h" + +namespace Diligent +{ + const Char* BufferViewParser::BufferViewLibName = "BufferView"; + + BufferViewParser::BufferViewParser( BufferParser *pBufParser, + IRenderDevice *pRenderDevice, + lua_State *L ) : + EngineObjectParserCommon<IBufferView>( pRenderDevice, L, BufferViewLibName ), + m_BufferLibMetatableName(pBufParser->GetMetatableName()), + m_CreateViewBinding( this, L, m_BufferLibMetatableName.c_str(), "CreateView", &BufferViewParser::CreateView ), + m_GetDefaultViewBinding( this, L, m_BufferLibMetatableName.c_str(), "GetDefaultView", &BufferViewParser::GetDefaultView ), + m_ViewTypeParser( 0, "ViewType", m_ViewTypeEnumMapping ) + { + DEFINE_BUFFERED_STRING_BINDER( m_Bindings, SBuffViewDescWrapper, Name, NameBuffer ); + + DEFINE_ENUM_ELEMENT_MAPPING( m_ViewTypeEnumMapping, BUFFER_VIEW_SHADER_RESOURCE ); + DEFINE_ENUM_ELEMENT_MAPPING( m_ViewTypeEnumMapping, BUFFER_VIEW_UNORDERED_ACCESS ); + VERIFY( m_ViewTypeEnumMapping.m_Str2ValMap.size() == BUFFER_VIEW_NUM_VIEWS - 1, + "Unexpected map size. Did you update BUFFER_VIEW_TYPE enum?" ); + VERIFY( m_ViewTypeEnumMapping.m_Val2StrMap.size() == BUFFER_VIEW_NUM_VIEWS - 1, + "Unexpected map size. Did you update BUFFER_VIEW_TYPE enum?" ); + DEFINE_ENUM_BINDER( m_Bindings, SBuffViewDescWrapper, ViewType, BUFFER_VIEW_TYPE, m_ViewTypeEnumMapping ); + + DEFINE_BINDER( m_Bindings, SBuffViewDescWrapper, ByteOffset, Uint32, Validator<Uint32>() ); + DEFINE_BINDER( m_Bindings, SBuffViewDescWrapper, ByteWidth, Uint32, Validator<Uint32>() ); + }; + + void BufferViewParser::CreateObj( lua_State *L ) + { + INIT_LUA_STACK_TRACKING(L); + + auto *pBuffer = *GetUserData<IBuffer**>( L, 1, m_BufferLibMetatableName.c_str() ); + + SBuffViewDescWrapper BufferViewDesc; + ParseLuaTable( L, 2, &BufferViewDesc, m_Bindings ); + CHECK_LUA_STACK_HEIGHT(); + + auto ppBufferView = reinterpret_cast<IBufferView**>(lua_newuserdata( L, sizeof( IBufferView* ) )); + *ppBufferView = nullptr; + pBuffer->CreateView( BufferViewDesc, ppBufferView ); + if( *ppBufferView == nullptr ) + SCRIPT_PARSING_ERROR(L, "Failed to create buffer view") + + CHECK_LUA_STACK_HEIGHT( +1 ); + } + + int BufferViewParser::CreateView( lua_State *L ) + { + // Note that LuaCreate is a static function. + // However, this pointer to the BufferViewParser object + // is stored in the upvalue. So LuaCreate will call + // BufferViewParser::CreateObj() + return LuaCreate(L); + } + + int BufferViewParser::GetDefaultView( lua_State *L ) + { + INIT_LUA_STACK_TRACKING( L ); + + // Buffer should be the first argument + auto *pBuffer = *GetUserData<IBuffer**>( L, 1, m_BufferLibMetatableName.c_str() ); + + // View type should be the second argument + BUFFER_VIEW_TYPE ViewType; + m_ViewTypeParser.SetValue( L, 2, &ViewType ); + + auto pView = pBuffer->GetDefaultView( ViewType ); + + // Push existing object + PushObject(L, pView); + + CHECK_LUA_STACK_HEIGHT( +1 ); + + // Returning one value to Lua + return 1; + } +} |
