Release v1.0.0

1 files changed, 145 insertions, 0 deletions

diff --git a/RenderScript/src/DeviceContextFuncBindings.cpp b/RenderScript/src/DeviceContextFuncBindings.cpp
new file mode 100644
index 0000000..9525cf2
--- /dev/null
+++ b/RenderScript/src/DeviceContextFuncBindings.cpp
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+/*     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 "DeviceContextFuncBindings.h"
+#include "GraphicsUtilities.h"
+#include "TextureViewParser.h"
+#include "EngineObjectParserBase.h"
+
+namespace Diligent
+{
+    DeviceContextFuncBindings::DeviceContextFuncBindings( IRenderDevice *pRenderDevice, lua_State *L, TextureViewParser *pTexViewPasrser ) :
+        m_SetRenderTargetsBinding(this, L, "Context", "SetRenderTargets", &DeviceContextFuncBindings::SetRenderTargets),
+        m_ClearRenderTargetBinding(this, L, "Context", "ClearRenderTarget", &DeviceContextFuncBindings::ClearRenderTarget),
+        m_ClearDepthStencilBinding(this, L, "Context", "ClearDepthStencil", &DeviceContextFuncBindings::ClearDepthStencil),
+        m_TexViewMetatableName( pTexViewPasrser->GetMetatableName() )
+    {
+    };
+
+    int DeviceContextFuncBindings::SetRenderTargets( lua_State *L )
+    {
+        auto NumArgs = lua_gettop( L );
+        ITextureView *pRTVs[MaxRenderTargets] = {};
+        ITextureView *pDSV = nullptr;
+        Uint32 NumRTs = 0;
+        for( int CurrArg = 1; CurrArg <= NumArgs; ++CurrArg )
+        {
+            auto *pView = *GetUserData<ITextureView**>( L, CurrArg, m_TexViewMetatableName.c_str() );
+            auto ViewType = pView->GetDesc().ViewType;
+            if( ViewType == TEXTURE_VIEW_RENDER_TARGET )
+            {
+                if( NumRTs < MaxRenderTargets )
+                {
+                    pRTVs[NumRTs] = pView;
+                    ++NumRTs;
+                }
+                else
+                {
+                    SCRIPT_PARSING_ERROR( L, "Too many render targets are being set. ", MaxRenderTargets, " at most are allowed." );
+                }
+            }
+            else if( ViewType == TEXTURE_VIEW_DEPTH_STENCIL )
+            {
+                if( pDSV != nullptr )
+                    SCRIPT_PARSING_ERROR( L, "Respecifying depth stencil view. Only one is allowed" );
+                pDSV = pView;
+            }
+            else
+            { 
+                SCRIPT_PARSING_ERROR( L, "Unexpected view type. Only render target and depth stencil are allowed" );
+            }
+        }
+
+        auto *pContext = EngineObjectParserBase::LoadDeviceContextFromRegistry( L );
+        pContext->SetRenderTargets( NumRTs, pRTVs, pDSV );
+
+        // Return no values to Lua
+        return 0;
+    }
+
+    int DeviceContextFuncBindings::ClearRenderTarget( lua_State *L )
+    {
+        auto NumArgs = lua_gettop( L );
+
+        ITextureView *pView = nullptr;
+        Float32 RGBA[4] = {};
+
+        int CurrArg = 1;
+        if( CurrArg <= NumArgs )
+        {
+            if( lua_type( L, CurrArg ) == LUA_TUSERDATA )
+            {
+                pView = *GetUserData<ITextureView**>( L, CurrArg, m_TexViewMetatableName.c_str() );
+                ++CurrArg;
+            }
+        }
+        for( int c = 0; c < 4 && CurrArg <= NumArgs; ++c, ++CurrArg )
+        {
+            RGBA[c] = ReadValueFromLua<Float32>( L, CurrArg );
+        }
+        auto *pContext = EngineObjectParserBase::LoadDeviceContextFromRegistry( L );
+        pContext->ClearRenderTarget( pView, RGBA );
+
+        return 0;
+    }
+
+    int DeviceContextFuncBindings::ClearDepthStencil( lua_State *L )
+    {
+        auto NumArgs = lua_gettop( L );
+
+        ITextureView *pView = nullptr;
+        Float32 fDepth = 1.f;
+        Uint8 Stencil = 0;
+        Uint32 ClearFlags = 0;
+
+        int CurrArg = 1;
+        if( CurrArg <= NumArgs )
+        {
+            if( lua_type( L, CurrArg ) == LUA_TUSERDATA )
+            {
+                pView = *GetUserData<ITextureView**>( L, CurrArg, m_TexViewMetatableName.c_str() );
+                ++CurrArg;
+            }
+        }
+
+        if( CurrArg <= NumArgs )
+        {
+            fDepth = ReadValueFromLua<Float32>( L, CurrArg );
+            ClearFlags |= CLEAR_DEPTH_FLAG;
+            ++CurrArg;
+        }
+
+        if( CurrArg <= NumArgs )
+        {
+            Stencil = ReadValueFromLua<Uint8>( L, CurrArg );
+            ClearFlags |= CLEAR_STENCIL_FLAG;
+            ++CurrArg;
+        }
+
+        auto *pContext = EngineObjectParserBase::LoadDeviceContextFromRegistry( L );
+        pContext->ClearDepthStencil( pView, ClearFlags, fDepth, Stencil );
+
+        return 0;
+    }
+}