summaryrefslogtreecommitdiffstats
path: root/RenderScript/src/BufferViewParser.cpp
diff options
context:
space:
mode:
authorEgor Yusov <egor.yusov@gmail.com>2015-10-21 04:05:29 +0000
committerEgor Yusov <egor.yusov@gmail.com>2015-10-21 04:05:29 +0000
commitf2e065dee10fb110e9d51175ee6381333319ef56 (patch)
treeda85ca78fe050280d7592bf6bf1071410846031f /RenderScript/src/BufferViewParser.cpp
downloadDiligentTools-f2e065dee10fb110e9d51175ee6381333319ef56.tar.gz
DiligentTools-f2e065dee10fb110e9d51175ee6381333319ef56.zip
Release v1.0.0
Diffstat (limited to 'RenderScript/src/BufferViewParser.cpp')
-rw-r--r--RenderScript/src/BufferViewParser.cpp105
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;
+ }
+}