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engines/hpl1/engine/resources/GpuProgramManager.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#include "hpl1/engine/resources/GpuProgramManager.h"
+#include "hpl1/debug.h"
+#include "hpl1/engine/graphics/GPUProgram.h"
+#include "hpl1/engine/graphics/LowLevelGraphics.h"
+#include "hpl1/engine/system/String.h"
+#include "hpl1/engine/system/low_level_system.h"
+
+namespace hpl {
+
+//////////////////////////////////////////////////////////////////////////
+// CONSTRUCTORS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+cGpuProgramManager::cGpuProgramManager(cFileSearcher *apFileSearcher, iLowLevelGraphics *apLowLevelGraphics,
+									   LowLevelResources *apLowLevelResources, LowLevelSystem *apLowLevelSystem)
+	: iResourceManager(apFileSearcher, apLowLevelResources, apLowLevelSystem) {
+	mpLowLevelGraphics = apLowLevelGraphics;
+}
+
+cGpuProgramManager::~cGpuProgramManager() {
+	DestroyAll();
+
+	Log(" Done with Gpu programs\n");
+}
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PUBLIC METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+/**
+ * Since further parameters are needed for the gpu prog this does not work...
+ * For now at least.
+ * \param asName
+ * \return
+ */
+iResourceBase *cGpuProgramManager::Create(const tString &asName) {
+	return NULL;
+}
+
+//-----------------------------------------------------------------------
+
+iGpuProgram *cGpuProgramManager::CreateProgram(const tString &vertex, const tString &fragment,
+											   eGpuProgramType aType) {
+	if (!mpLowLevelGraphics->GetCaps(eGraphicCaps_GL_GpuPrograms))
+		return nullptr;
+
+	tString sPath;
+	iGpuProgram *pProgram;
+	pProgram = static_cast<iGpuProgram *>(FindLoadedResource(vertex + " " + fragment, sPath));
+	if (pProgram == nullptr) {
+		pProgram = mpLowLevelGraphics->CreateGpuProgram(vertex, fragment);
+		AddResource(pProgram);
+	}
+
+	pProgram->IncUserCount();
+
+	return pProgram;
+}
+
+//-----------------------------------------------------------------------
+
+void cGpuProgramManager::Unload(iResourceBase *apResource) {
+}
+//-----------------------------------------------------------------------
+
+void cGpuProgramManager::Destroy(iResourceBase *apResource) {
+	apResource->DecUserCount();
+
+	if (apResource->HasUsers() == false) {
+		RemoveResource(apResource);
+		hplDelete(apResource);
+	}
+}
+
+//-----------------------------------------------------------------------
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PRIVATE METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+//-----------------------------------------------------------------------
+} // namespace hpl