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| 10 | <h1>OgreGLHardwarePixelBuffer.h</h1><a href="OgreGLHardwarePixelBuffer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*</span> |
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| 11 | 00002 <span class="comment">-----------------------------------------------------------------------------</span> |
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| 12 | 00003 <span class="comment">This source file is part of OGRE</span> |
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| 13 | 00004 <span class="comment"> (Object-oriented Graphics Rendering Engine)</span> |
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| 14 | 00005 <span class="comment">For the latest info, see http://www.ogre3d.org/</span> |
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| 15 | 00006 <span class="comment"></span> |
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| 16 | 00007 <span class="comment">Copyright (c) 2000-2005 The OGRE Team</span> |
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| 17 | 00008 <span class="comment">Also see acknowledgements in Readme.html</span> |
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| 18 | 00009 <span class="comment"></span> |
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| 19 | 00010 <span class="comment">This program is free software; you can redistribute it and/or modify it under</span> |
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| 20 | 00011 <span class="comment">the terms of the GNU Lesser General Public License as published by the Free Software</span> |
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| 21 | 00012 <span class="comment">Foundation; either version 2 of the License, or (at your option) any later</span> |
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| 22 | 00013 <span class="comment">version.</span> |
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| 23 | 00014 <span class="comment"></span> |
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| 24 | 00015 <span class="comment">This program is distributed in the hope that it will be useful, but WITHOUT</span> |
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| 25 | 00016 <span class="comment">ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span> |
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| 26 | 00017 <span class="comment">FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.</span> |
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| 27 | 00018 <span class="comment"></span> |
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| 28 | 00019 <span class="comment">You should have received a copy of the GNU Lesser General Public License along with</span> |
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| 29 | 00020 <span class="comment">this program; if not, write to the Free Software Foundation, Inc., 59 Temple</span> |
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| 30 | 00021 <span class="comment">Place - Suite 330, Boston, MA 02111-1307, USA, or go to</span> |
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| 31 | 00022 <span class="comment">http://www.gnu.org/copyleft/lesser.txt.</span> |
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| 32 | 00023 <span class="comment">-----------------------------------------------------------------------------</span> |
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| 33 | 00024 <span class="comment">*/</span> |
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| 34 | 00025 <span class="preprocessor">#ifndef __GLPIXELBUFFER_H__</span> |
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| 35 | 00026 <span class="preprocessor"></span><span class="preprocessor">#define __GLPIXELBUFFER_H__</span> |
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| 36 | 00027 <span class="preprocessor"></span> |
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| 37 | 00028 <span class="preprocessor">#include "<a class="code" href="OgreGLPrerequisites_8h.html">OgreGLPrerequisites.h</a>"</span> |
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| 38 | 00029 <span class="preprocessor">#include "<a class="code" href="OgreHardwarePixelBuffer_8h.html">OgreHardwarePixelBuffer.h</a>"</span> |
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| 39 | 00030 |
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| 40 | 00031 <span class="keyword">namespace </span>Ogre { |
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| 41 | <a name="l00032"></a><a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html">00032</a> <span class="keyword">class </span><a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html">GLHardwarePixelBuffer</a>: <span class="keyword">public</span> <a class="code" href="classOgre_1_1HardwarePixelBuffer.html">HardwarePixelBuffer</a> |
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| 42 | 00033 { |
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| 43 | 00034 <span class="keyword">protected</span>: |
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| 44 | 00036 <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferb0">lockImpl</a>(<span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> lockBox, LockOptions options); |
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| 45 | 00037 |
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| 46 | 00039 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferb2">unlockImpl</a>(<span class="keywordtype">void</span>); |
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| 47 | 00040 |
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| 48 | 00041 <span class="comment">// Internal buffer; either on-card or in system memory, freed/allocated on demand</span> |
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| 49 | 00042 <span class="comment">// depending on buffer usage</span> |
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| 50 | <a name="l00043"></a><a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferp7">00043</a> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> mBuffer; |
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| 51 | <a name="l00044"></a><a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferp8">00044</a> GLenum <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferp8">mGLInternalFormat</a>; <span class="comment">// GL internal format</span> |
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| 52 | 00045 |
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| 53 | 00046 <span class="comment">// Buffer allocation/freeage</span> |
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| 54 | 00047 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferb3">allocateBuffer</a>(); |
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| 55 | 00048 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferb4">freeBuffer</a>(); |
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| 56 | 00049 <span class="comment">// Upload a box of pixels to this buffer on the card</span> |
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| 57 | 00050 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLRenderBufferb5">upload</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &data); |
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| 58 | 00051 <span class="comment">// Download a box of pixels from the card</span> |
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| 59 | 00052 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLRenderBufferb6">download</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &data); |
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| 60 | 00053 <span class="keyword">public</span>: |
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| 61 | 00055 <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLHardwarePixelBuffera0">GLHardwarePixelBuffer</a>(size_t mWidth, size_t mHeight, size_t mDepth, |
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| 62 | 00056 PixelFormat mFormat, |
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| 63 | 00057 HardwareBuffer::Usage usage); |
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| 64 | 00058 |
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| 65 | 00060 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLRenderBuffera3">blitFromMemory</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &src, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &dstBox); |
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| 66 | 00061 |
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| 67 | 00063 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBuffera12">blitToMemory</a>(<span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &srcBox, <span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &dst); |
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| 68 | 00064 |
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| 69 | 00065 <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLHardwarePixelBuffera3">~GLHardwarePixelBuffer</a>(); |
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| 70 | 00066 |
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| 71 | 00069 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLHardwarePixelBuffera4">bindToFramebuffer</a>(GLenum attachment, size_t zoffset); |
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| 72 | <a name="l00070"></a><a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBuffera14">00070</a> GLenum <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBuffera14">getGLFormat</a>() { <span class="keywordflow">return</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html#Ogre_1_1GLTextureBufferp8">mGLInternalFormat</a>; } |
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| 73 | 00071 }; |
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| 74 | 00072 |
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| 75 | <a name="l00075"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html">00075</a> <span class="keyword">class </span><a class="code" href="classOgre_1_1GLTextureBuffer.html">GLTextureBuffer</a>: <span class="keyword">public</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html">GLHardwarePixelBuffer</a> |
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| 76 | 00076 { |
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| 77 | 00077 <span class="keyword">public</span>: |
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| 78 | 00079 <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera0">GLTextureBuffer</a>(<span class="keyword">const</span> <a class="code" href="namespaceOgre.html#a471">String</a> &baseName, GLenum target, GLuint <span class="keywordtype">id</span>, GLint face, GLint level, Usage usage, |
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| 79 | 00080 <span class="keywordtype">bool</span> softwareMipmap); |
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| 80 | 00081 <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera1">~GLTextureBuffer</a>(); |
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| 81 | 00082 |
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| 82 | 00084 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera2">bindToFramebuffer</a>(GLenum attachment, size_t zoffset); |
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| 83 | 00086 <a class="code" href="classOgre_1_1RenderTexture.html">RenderTexture</a>* <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera3">getRenderTarget</a>(size_t); |
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| 84 | 00087 <span class="comment">// Upload a box of pixels to this buffer on the card</span> |
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| 85 | 00088 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera4">upload</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &data); |
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| 86 | 00089 <span class="comment">// Download a box of pixels from the card</span> |
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| 87 | 00090 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera5">download</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &data); |
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| 88 | 00091 |
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| 89 | 00092 <span class="comment">// Hardware implementation of blitFromMemory</span> |
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| 90 | 00093 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera6">blitFromMemory</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1PixelBox.html">PixelBox</a> &src_orig, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &dstBox); |
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| 91 | 00094 |
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| 92 | 00095 <span class="comment">// Notify TextureBuffer of destruction of render target</span> |
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| 93 | <a name="l00096"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera7">00096</a> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera7">_clearSliceRTT</a>(size_t zoffset) |
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| 94 | 00097 { |
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| 95 | 00098 mSliceTRT[zoffset] = 0; |
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| 96 | 00099 } |
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| 97 | 00100 <span class="comment">// Copy from framebuffer</span> |
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| 98 | 00101 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera8">copyFromFramebuffer</a>(size_t zoffset); |
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| 99 | 00103 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera9">blit</a>(<span class="keyword">const</span> <a class="code" href="classOgre_1_1HardwarePixelBufferSharedPtr.html">HardwarePixelBufferSharedPtr</a> &src, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &srcBox, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &dstBox); |
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| 100 | 00104 <span class="comment">// Blitting implementation</span> |
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| 101 | 00105 <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBuffera10">blitFromTexture</a>(<a class="code" href="classOgre_1_1GLTextureBuffer.html">GLTextureBuffer</a> *src, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &srcBox, <span class="keyword">const</span> <a class="code" href="structOgre_1_1Box.html">Image::Box</a> &dstBox); |
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| 102 | 00106 <span class="keyword">protected</span>: |
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| 103 | 00107 <span class="comment">// In case this is a texture level</span> |
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| 104 | <a name="l00108"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp0">00108</a> GLenum mTarget; |
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| 105 | <a name="l00109"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp1">00109</a> GLenum <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp1">mFaceTarget</a>; <span class="comment">// same as mTarget in case of GL_TEXTURE_xD, but cubemap face for cubemaps</span> |
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| 106 | <a name="l00110"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp2">00110</a> GLuint <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp2">mTextureID</a>; |
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| 107 | <a name="l00111"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp3">00111</a> GLint <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp3">mFace</a>; |
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| 108 | <a name="l00112"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp4">00112</a> GLint mLevel; |
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| 109 | <a name="l00113"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp5">00113</a> <span class="keywordtype">bool</span> <a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp5">mSoftwareMipmap</a>; <span class="comment">// Use GLU for mip mapping</span> |
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| 110 | 00114 |
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| 111 | <a name="l00115"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferx0">00115</a> <span class="keyword">typedef</span> std::vector<RenderTexture*> SliceTRT; |
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| 112 | <a name="l00116"></a><a class="code" href="classOgre_1_1GLTextureBuffer.html#Ogre_1_1GLTextureBufferp6">00116</a> SliceTRT mSliceTRT; |
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| 113 | 00117 }; |
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| 114 | <a name="l00120"></a><a class="code" href="classOgre_1_1GLRenderBuffer.html">00120</a> <span class="keyword">class </span><a class="code" href="classOgre_1_1GLRenderBuffer.html">GLRenderBuffer</a>: <span class="keyword">public</span> <a class="code" href="classOgre_1_1GLHardwarePixelBuffer.html">GLHardwarePixelBuffer</a> |
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| 115 | 00121 { |
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| 116 | 00122 <span class="keyword">public</span>: |
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| 117 | 00123 <a class="code" href="classOgre_1_1GLRenderBuffer.html#Ogre_1_1GLRenderBuffera0">GLRenderBuffer</a>(GLenum format, size_t width, size_t height); |
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| 118 | 00124 <a class="code" href="classOgre_1_1GLRenderBuffer.html#Ogre_1_1GLRenderBuffera1">~GLRenderBuffer</a>(); |
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| 119 | 00125 |
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| 120 | 00127 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOgre_1_1GLRenderBuffer.html#Ogre_1_1GLRenderBuffera2">bindToFramebuffer</a>(GLenum attachment, size_t zoffset); |
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| 121 | 00128 <span class="keyword">protected</span>: |
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| 122 | 00129 <span class="comment">// In case this is a render buffer</span> |
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| 123 | <a name="l00130"></a><a class="code" href="classOgre_1_1GLRenderBuffer.html#Ogre_1_1GLRenderBufferp0">00130</a> GLuint <a class="code" href="classOgre_1_1GLRenderBuffer.html#Ogre_1_1GLRenderBufferp0">mRenderbufferID</a>; |
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| 124 | 00131 }; |
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| 125 | 00132 }; |
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| 126 | 00133 |
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| 127 | 00134 <span class="preprocessor">#endif</span> |
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| 128 | </pre></div><hr> |
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| 129 | <p> |
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| 130 | Copyright © 2000-2005 by The OGRE Team<br /> |
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| 131 | <!--Creative Commons License--><a rel="license" href="http://creativecommons.org/licenses/by-sa/2.5/"><img alt="Creative Commons License" border="0" src="http://creativecommons.org/images/public/somerights20.png"/></a><br/> |
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| 132 | This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/2.5/">Creative Commons Attribution-ShareAlike 2.5 License</a>.<br/> |
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| 138 | <License rdf:about="http://creativecommons.org/licenses/by-sa/2.5/"><permits rdf:resource="http://web.resource.org/cc/Reproduction"/><permits rdf:resource="http://web.resource.org/cc/Distribution"/><requires rdf:resource="http://web.resource.org/cc/Notice"/><requires rdf:resource="http://web.resource.org/cc/Attribution"/><permits rdf:resource="http://web.resource.org/cc/DerivativeWorks"/><requires rdf:resource="http://web.resource.org/cc/ShareAlike"/></License></rdf:RDF> --> |
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| 139 | |
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| 140 | Last modified Sun Mar 12 14:37:41 2006 |
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| 141 | </p> |
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| 142 | </body> |
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| 143 | </html> |
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