Engine directory for ticket #1

Engine/source/gfx/D3D9/pc/gfxD3D9Device.pc.cpp

@@ -0,0 +1,87 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// 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. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "gfx/D3D9/pc/gfxPCD3D9Device.h"
+#include "gfx/D3D9/gfxD3D9CardProfiler.h"
+#include "gfx/D3D9/gfxD3D9Shader.h"
+#include "gfx/D3D9/gfxD3D9VertexBuffer.h"
+#include "gfx/D3D9/gfxD3D9EnumTranslate.h"
+#include "core/strings/unicode.h"
+#include "console/console.h"
+
+//------------------------------------------------------------------------------
+// D3DX Function binding
+//------------------------------------------------------------------------------
+
+bool d3dxBindFunction( DLibrary *dll, void *&fnAddress, const char *name )
+{
+   fnAddress = dll->bind( name );
+
+   if (!fnAddress)
+      Con::warnf( "D3DX Loader: DLL bind failed for %s", name );
+
+   return fnAddress != 0;
+}
+
+void GFXD3D9Device::initD3DXFnTable()
+{
+   if ( smD3DX.isLoaded )
+      return;
+
+   // We only load the d3dx version that we compiled 
+   // and linked against which should keep unexpected
+   // problems from newer or older SDKs to a minimum.
+   String d3dxVersion = String::ToString( "d3dx9_%d.dll", (S32)D3DX_SDK_VERSION );
+   smD3DX.dllRef = OsLoadLibrary( d3dxVersion );
+
+   // If the d3dx version we requested didn't load then we have
+   // a corrupt or old install of DirectX.... prompt them to update.
+   if ( !smD3DX.dllRef )
+   {
+      Con::errorf( "Unsupported DirectX version!" );
+      Platform::messageBox(   Con::getVariable( "$appName" ),
+                              "DirectX could not be started!\r\n"
+                              "Please be sure you have the latest version of DirectX installed.",
+                              MBOk, MIStop );
+      Platform::forceShutdown( -1 );
+   }
+
+   smD3DX.isLoaded = true;
+
+   #define D3DX_FUNCTION(fn_name, fn_return, fn_args) \
+   smD3DX.isLoaded &= d3dxBindFunction(smD3DX.dllRef, *(void**)&smD3DX.fn_name, #fn_name);
+   #     include "gfx/D3D9/d3dx9Functions.h"
+   #undef D3DX_FUNCTION
+
+   AssertISV( smD3DX.isLoaded, "D3DX Failed to load all functions." );
+
+   // HACK: For some reason in the latest versions of
+   // the D3D SDK on the PC the shader compiler will load 
+   // and unload the compiler DLL over and over with each
+   // shader compiled.
+   //
+   // By loading the DLL once ourselves we keep it from
+   // ever unloading it which makes shader compiling faster.
+   //
+   String compilerVersion = String::ToString( "D3DCompiler_%d.dll", (S32)D3DX_SDK_VERSION );
+   smD3DX.compilerDllRef = OsLoadLibrary( compilerVersion );
+}