[1] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreD3D9MultiRenderTarget.h" |
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| 30 | #include "OgreD3D9HardwarePixelBuffer.h" |
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| 31 | #include "OgreException.h" |
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| 32 | #include "OgreLogManager.h" |
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| 33 | #include "OgreStringConverter.h" |
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| 34 | #include "OgreBitwise.h" |
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| 35 | #include "OgreD3D9RenderSystem.h" |
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| 36 | #include "OgreRoot.h" |
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| 37 | |
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| 38 | namespace Ogre |
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| 39 | { |
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| 40 | D3D9MultiRenderTarget::D3D9MultiRenderTarget(const String &name): |
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| 41 | MultiRenderTarget(name) |
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| 42 | { |
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| 43 | /// Clear targets |
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| 44 | for(size_t x=0; x<OGRE_MAX_MULTIPLE_RENDER_TARGETS; ++x) |
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| 45 | { |
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| 46 | targets[x] = 0; |
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| 47 | } |
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| 48 | } |
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| 49 | D3D9MultiRenderTarget::~D3D9MultiRenderTarget() |
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| 50 | { |
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| 51 | } |
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| 52 | |
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| 53 | void D3D9MultiRenderTarget::bindSurface(size_t attachment, RenderTexture *target) |
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| 54 | { |
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| 55 | assert(attachment<OGRE_MAX_MULTIPLE_RENDER_TARGETS); |
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| 56 | /// Get buffer and surface to bind to |
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| 57 | D3D9HardwarePixelBuffer *buffer = 0; |
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| 58 | target->getCustomAttribute("BUFFER", &buffer); |
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| 59 | assert(buffer); |
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| 60 | |
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| 61 | /// Find first non-null target |
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| 62 | int y; |
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| 63 | for(y=0; y<OGRE_MAX_MULTIPLE_RENDER_TARGETS && !targets[y]; ++y) ; |
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| 64 | |
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| 65 | if(y!=OGRE_MAX_MULTIPLE_RENDER_TARGETS) |
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| 66 | { |
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| 67 | /// If there is another target bound, compare sizes |
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| 68 | if(targets[y]->getWidth() != buffer->getWidth() || |
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| 69 | targets[y]->getHeight() != buffer->getHeight() || |
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| 70 | PixelUtil::getNumElemBits(targets[y]->getFormat()) != |
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| 71 | PixelUtil::getNumElemBits(buffer->getFormat())) |
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| 72 | { |
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| 73 | OGRE_EXCEPT( |
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| 74 | Exception::ERR_INVALIDPARAMS, |
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| 75 | "MultiRenderTarget surfaces are not of same size or bit depth", |
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| 76 | "D3D9MultiRenderTarget::bindSurface" |
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| 77 | ); |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | targets[attachment] = buffer; |
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| 82 | checkAndUpdate(); |
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| 83 | } |
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| 84 | |
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| 85 | void D3D9MultiRenderTarget::unbindSurface(size_t attachment) |
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| 86 | { |
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| 87 | assert(attachment<OGRE_MAX_MULTIPLE_RENDER_TARGETS); |
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| 88 | targets[attachment] = 0; |
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| 89 | checkAndUpdate(); |
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| 90 | } |
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| 91 | |
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| 92 | void D3D9MultiRenderTarget::update(void) |
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| 93 | { |
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| 94 | D3D9RenderSystem* rs = static_cast<D3D9RenderSystem*>( |
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| 95 | Root::getSingleton().getRenderSystem()); |
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| 96 | if (rs->isDeviceLost()) |
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| 97 | return; |
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| 98 | |
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| 99 | MultiRenderTarget::update(); |
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| 100 | } |
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| 101 | |
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| 102 | void D3D9MultiRenderTarget::getCustomAttribute(const String& name, void *pData) |
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| 103 | { |
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| 104 | if(name == "DDBACKBUFFER") |
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| 105 | { |
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| 106 | IDirect3DSurface9 ** pSurf = (IDirect3DSurface9 **)pData; |
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| 107 | /// Transfer surfaces |
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| 108 | for(size_t x=0; x<OGRE_MAX_MULTIPLE_RENDER_TARGETS; ++x) |
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| 109 | { |
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| 110 | if(targets[x]) |
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| 111 | pSurf[x] = targets[x]->getSurface(); |
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| 112 | } |
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| 113 | return; |
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| 114 | } |
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| 115 | } |
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| 116 | |
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| 117 | void D3D9MultiRenderTarget::checkAndUpdate() |
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| 118 | { |
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| 119 | if(targets[0]) |
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| 120 | { |
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| 121 | mWidth = targets[0]->getWidth(); |
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| 122 | mHeight = targets[0]->getHeight(); |
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| 123 | } |
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| 124 | else |
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| 125 | { |
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| 126 | mWidth = 0; |
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| 127 | mHeight = 0; |
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| 128 | } |
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| 129 | } |
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| 130 | |
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| 131 | |
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| 132 | } |
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| 133 | |
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