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-rw-r--r--RenderScript/src/ScissorRectParser.cpp124
1 files changed, 0 insertions, 124 deletions
diff --git a/RenderScript/src/ScissorRectParser.cpp b/RenderScript/src/ScissorRectParser.cpp
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index 37db1ee..0000000
--- a/RenderScript/src/ScissorRectParser.cpp
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-/* Copyright 2019 Diligent Graphics LLC
- *
- * 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 "ScissorRectParser.h"
-
-namespace Diligent
-{
- const Char* ScissorRectParser::ScissorRectLibName = "ScissorRect";
-
- ScissorRectParser::ScissorRectParser( IRenderDevice *pRenderDevice, lua_State *L ) :
- EngineObjectParserBase( pRenderDevice, L, ScissorRectLibName ),
- m_SetScissorRectsBinding( this, L, "Context", "SetScissorRects", &ScissorRectParser::SetScissorRects )
- {
- m_ScissorRects.reserve( 8 );
-
- // NumVertices and NumIndices are in Union
- DEFINE_BINDER( m_Bindings, Rect, left );
- DEFINE_BINDER( m_Bindings, Rect, top );
- DEFINE_BINDER( m_Bindings, Rect, right );
- DEFINE_BINDER( m_Bindings, Rect, bottom );
- };
-
- void ScissorRectParser::CreateObj( lua_State *L )
- {
- INIT_LUA_STACK_TRACKING(L);
-
- Rect ScissorRect;
- ParseLuaTable( L, 1, &ScissorRect, m_Bindings );
- if( ScissorRect.left > ScissorRect.right )
- SCRIPT_PARSING_ERROR(L, "Scissor rect left and right boundaries (", ScissorRect.left, ", ", ScissorRect.right, ") are incorrect")
- if( ScissorRect.top > ScissorRect.bottom )
- SCRIPT_PARSING_ERROR(L, "Scissor rect top and bottom boundaries (", ScissorRect.top, ", ", ScissorRect.bottom, ") are incorrect")
-
- CHECK_LUA_STACK_HEIGHT();
-
- auto pScissorRect = reinterpret_cast<Rect*>(lua_newuserdata( L, sizeof( Rect ) ));
- memcpy(pScissorRect, &ScissorRect, sizeof(ScissorRect));
-
- CHECK_LUA_STACK_HEIGHT( +1 );
- }
-
- void ScissorRectParser::DestroyObj( void *pData )
- {
- // We do not need to do anything, because the whole object is
- // created as full user data and thus managed by Lua
- }
-
- void ScissorRectParser::ReadField( lua_State *L, void *pData, const Char *Field )
- {
- auto pScissorRect = reinterpret_cast<Rect*>(pData);
- PushField( L, pScissorRect, Field, m_Bindings );
- }
-
- void ScissorRectParser::UpdateField( lua_State *L, void *pData, const Char *Field )
- {
- auto pScissorRect = reinterpret_cast<Rect*>(pData);
- Diligent::UpdateField( L, -1, pScissorRect, Field, m_Bindings );
- }
-
- void ScissorRectParser::PushExistingObject( lua_State *L, const void *pObject )
- {
- auto pScissorRect = reinterpret_cast<Rect*>(lua_newuserdata( L, sizeof( Rect ) ));
- memcpy( pScissorRect, pObject, sizeof( Rect ) );
- }
-
- int ScissorRectParser::SetScissorRects( lua_State *L )
- {
- auto NumArgs = lua_gettop( L );
- Uint32 RTWidth = 0;
- Uint32 RTHeight = 0;
- m_ScissorRects.clear();
- for( int Arg = 1; Arg <= NumArgs; ++Arg )
- {
- if( lua_type( L, Arg ) == LUA_TUSERDATA )
- {
- auto pScissorRect = GetUserData<Rect*>( L, Arg, m_MetatableRegistryName.c_str() );
- m_ScissorRects.emplace_back( *pScissorRect );
- }
- else
- {
- if( RTWidth == 0 )
- RTWidth = ReadValueFromLua<Uint32>( L, Arg );
- else if( RTHeight == 0 )
- RTHeight = ReadValueFromLua<Uint32>( L, Arg );
- else
- SCRIPT_PARSING_ERROR( L, "Render target size already specified (", RTWidth, "x", RTHeight, ")." );
- }
- }
-
- if( (RTWidth == 0 && RTHeight != 0) || (RTWidth != 0 && RTHeight == 0) )
- SCRIPT_PARSING_ERROR( L, "Render target size is incomplete (", RTWidth, "x", RTHeight, "). Use either 0x0 or fully specified size" );
-
- Uint32 NumScissorRects = static_cast<Uint32>( m_ScissorRects.size() );
-
- if( NumScissorRects == 0 )
- SCRIPT_PARSING_ERROR( L, "At least one viewport must be specified" );
-
- auto *pContext = LoadDeviceContextFromRegistry( L );
- pContext->SetScissorRects( NumScissorRects, m_ScissorRects.data(), RTWidth, RTHeight );
-
- return 0;
- }
-}