[657] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 |
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| 26 | #include "OgreGLTextureManager.h"
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| 27 |
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| 28 | namespace Ogre {
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| 29 | //-----------------------------------------------------------------------------
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| 30 | GLTextureManager::GLTextureManager(GLSupport& support)
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| 31 | : TextureManager(), mGLSupport(support), mWarningTextureID(0)
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| 32 | {
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| 33 | // register with group manager
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| 34 | ResourceGroupManager::getSingleton()._registerResourceManager(mResourceType, this);
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| 35 |
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| 36 | createWarningTexture();
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| 37 | }
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| 38 | //-----------------------------------------------------------------------------
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| 39 | GLTextureManager::~GLTextureManager()
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| 40 | {
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| 41 | // unregister with group manager
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| 42 | ResourceGroupManager::getSingleton()._unregisterResourceManager(mResourceType);
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| 43 | // Delete warning texture
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| 44 | glDeleteTextures(1, &mWarningTextureID);
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| 45 | }
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| 46 | //-----------------------------------------------------------------------------
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| 47 | Resource* GLTextureManager::createImpl(const String& name, ResourceHandle handle,
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| 48 | const String& group, bool isManual, ManualResourceLoader* loader,
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| 49 | const NameValuePairList* createParams)
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| 50 | {
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| 51 | return new GLTexture(this, name, handle, group, isManual, loader, mGLSupport);
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| 52 | }
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| 53 |
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| 54 | //-----------------------------------------------------------------------------
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| 55 | void GLTextureManager::createWarningTexture()
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| 56 | {
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| 57 | // Generate warning texture
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| 58 | size_t width = 8;
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| 59 | size_t height = 8;
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| 60 | uint32 *data = new uint32[width*height]; // 0xXXRRGGBB
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| 61 | // Yellow/black stripes
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| 62 | for(size_t y=0; y<height; ++y)
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| 63 | {
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| 64 | for(size_t x=0; x<width; ++x)
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| 65 | {
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| 66 | data[y*width+x] = (((x+y)%8)<4)?0x000000:0xFFFF00;
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| 67 | }
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| 68 | }
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| 69 | // Create GL resource
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| 70 | glGenTextures(1, &mWarningTextureID);
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| 71 | glBindTexture(GL_TEXTURE_2D, mWarningTextureID);
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| 72 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
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| 73 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, (void*)data);
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| 74 | // Free memory
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| 75 | delete [] data;
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| 76 | }
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| 77 |
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| 78 |
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| 79 | }
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