Engine directory for ticket #1

2026-07-11 14:44:36 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/gfx/gfxFence.cpp
+++ b/Engine/source/gfx/gfxFence.cpp
@ -0,0 +1,142 @@
+//-----------------------------------------------------------------------------
+// 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 "platform/platform.h"
+#include "gfx/gfxFence.h"
+
+#include "gfx/primBuilder.h"
+#include "gfx/gfxTextureManager.h"
+
+
+GFXGeneralFence::~GFXGeneralFence()
+{
+   // Release the ref pointers
+   mRenderTarget = NULL;
+   mRTTexHandle = NULL;
+
+   // Unregister texture callback
+   GFXTextureManager::removeEventDelegate( this, &GFXGeneralFence::_onTextureEvent );
+}
+
+//------------------------------------------------------------------------------
+
+void GFXGeneralFence::_init()
+{
+   // Register texture callback to re-create resources
+   if ( !mInitialized )
+      GFXTextureManager::addEventDelegate( this, &GFXGeneralFence::_onTextureEvent );
+
+   // Set this to true for error checking
+   mInitialized = true;
+
+   // Allocate resources
+   mInitialized &= mRTTexHandle.set( 2, 2, GFXFormatR8G8B8X8, &GFXDefaultRenderTargetProfile, avar("%s() - mInitialized (line %d)", __FUNCTION__, __LINE__) );
+   mRenderTarget = GFX->allocRenderToTextureTarget();
+   mInitialized &= ( mRenderTarget != NULL );
+
+   GFXStateBlockDesc d;
+   mRenderSB = GFX->createStateBlock(d);
+}
+
+//------------------------------------------------------------------------------
+
+void GFXGeneralFence::issue()
+{
+   PROFILE_SCOPE(GFXGeneralFence_Issue);
+   
+   // Resource creation will be done on first call to issue()
+   if( !mInitialized )
+      _init();
+
+   // If we can't init, return.
+   if(!mInitialized)
+      return;
+
+   AssertFatal( mInitialized, "Error occured during GFXGeneralFence::_init, sorry I can't be more specific, break and debug." );
+
+   RectI viewport = GFX->getViewport();
+
+   GFX->pushActiveRenderTarget();
+   mRenderTarget->attachTexture( GFXTextureTarget::Color0, mRTTexHandle );
+   GFX->setActiveRenderTarget( mRenderTarget );
+
+   // Set-up states
+   GFX->setStateBlock(mRenderSB);
+   GFX->pushWorldMatrix();
+   GFX->setWorldMatrix( MatrixF::Identity );
+
+   // CodeReview: We can re-do this with a static vertex buffer at some point. [5/9/2007 Pat]
+   PrimBuild::begin( GFXTriangleList, 3 );
+      PrimBuild::vertex2f( 0.f, 0.f );
+      PrimBuild::vertex2f( 0.f, 1.f );
+      PrimBuild::vertex2f( 1.f, 0.f );
+   PrimBuild::end();
+
+   GFX->popWorldMatrix();
+   GFX->popActiveRenderTarget();
+
+   GFX->setViewport(viewport);
+}
+
+//------------------------------------------------------------------------------
+
+void GFXGeneralFence::block()
+{
+   PROFILE_SCOPE(GFXGeneralFence_block);
+   if( !mInitialized )
+      return;
+
+   // We have to deal with the case where the lock fails (usually due to 
+   // a device reset).
+   if(mRTTexHandle.lock())
+      mRTTexHandle.unlock();
+}
+
+void GFXGeneralFence::_onTextureEvent( GFXTexCallbackCode code )
+{
+   switch( code )
+   {
+   case GFXZombify:
+      mRTTexHandle = NULL;
+      break;
+
+   case GFXResurrect:
+      mRTTexHandle.set( 2, 2, GFXFormatR8G8B8X8, &GFXDefaultRenderTargetProfile, avar("%s() - GFXGeneralFence->mRTTexHandle (line %d)", __FUNCTION__, __LINE__) );
+      break;
+   }
+}
+
+void GFXGeneralFence::zombify()
+{
+   mRTTexHandle = NULL;
+}
+
+void GFXGeneralFence::resurrect()
+{
+   mRTTexHandle.set( 2, 2, GFXFormatR8G8B8X8, &GFXDefaultRenderTargetProfile, avar("%s() - mRTTexHandle (line %d)", __FUNCTION__, __LINE__) );
+}
+
+const String GFXGeneralFence::describeSelf() const
+{
+   // We've got nothing
+   return String();
+}