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<hr><h1>driver_opengl_texture.cpp</h1><a href="driver__opengl__texture_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00011 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00012 <font class="comment"> *</font>
00013 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00014 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00015 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00016 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00017 <font class="comment"> * any later version.</font>
00018 <font class="comment"></font>
00019 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00020 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00021 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00022 <font class="comment"> * General Public License for more details.</font>
00023 <font class="comment"></font>
00024 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00025 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00026 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00027 <font class="comment"> * MA 02111-1307, USA.</font>
00028 <font class="comment"> */</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="stdopengl_8h.html">stdopengl.h</a>"</font>
00031 
00032 <font class="preprocessor">#include "<a class="code" href="texture__cube_8h.html">3d/texture_cube.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="rect_8h.html">nel/misc/rect.h</a>"</font>
00034 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font> <font class="comment">// temp</font>
00035 
00036 
00037 <font class="keyword">using</font>   <font class="keyword">namespace </font>NLMISC;
00038 <font class="keyword">using</font>   <font class="keyword">namespace </font>std;
00039 
00040 
00041 <font class="keyword">namespace </font>NL3D
00042 {
00043 
00044 
00045 <font class="comment">// ***************************************************************************</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#a0">00046</a> CTextureDrvInfosGL::CTextureDrvInfosGL(IDriver *drv, <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a> it, CDriverGL *drvGl) : ITextureDrvInfos(drv, it)
00047 {
00048         <font class="comment">// The id is auto created here.</font>
00049         glGenTextures(1,&amp;<a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m0">ID</a>);
00050         
00051         <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m1">Compressed</a>= <font class="keyword">false</font>;
00052         <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m2">TextureMemory</a>= 0;
00053 
00054         <font class="comment">// Nb: at Driver dtor, all tex infos are deleted, so _Driver is always valid.</font>
00055         <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>= drvGl;
00056 }
00057 <font class="comment">// ***************************************************************************</font>
<a name="l00058"></a><a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#a1">00058</a> CTextureDrvInfosGL::~CTextureDrvInfosGL()
00059 {
00060         <font class="comment">// The id is auto deleted here.</font>
00061         glDeleteTextures(1,&amp;<a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m0">ID</a>);
00062 
00063         <font class="comment">// release profiling texture mem.</font>
00064         <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>-&gt;_AllocatedTextureMemory-= <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m2">TextureMemory</a>;
00065 
00066         <font class="comment">// release in TextureUsed.</font>
00067         <a class="code" href="classNL3D_1_1CTextureDrvInfosGL.html#m3">_Driver</a>-&gt;_TextureUsed.erase (<font class="keyword">this</font>);
00068 }
00069 
00070 
00071 
00072 <font class="comment">// ***************************************************************************</font>
00073 <font class="comment">// Get the glText mirror of an existing setuped texture.</font>
00074 <font class="keyword">static</font>  <font class="keyword">inline</font> CTextureDrvInfosGL*      <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(ITexture&amp; tex)
00075 {
00076         CTextureDrvInfosGL*     gltex;
00077         gltex= (CTextureDrvInfosGL*)(ITextureDrvInfos*)(tex.TextureDrvShare-&gt;DrvTexture);
00078         <font class="keywordflow">return</font> gltex;
00079 }
00080 
00081 
00082 <font class="comment">// ***************************************************************************</font>
00083 <font class="comment">// Translation of TexFmt mode.</font>
<a name="l00084"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c12">00084</a> GLint   CDriverGL::getGlTextureFormat(ITexture&amp; tex, <font class="keywordtype">bool</font> &amp;compressed)
00085 {
00086         ITexture::TUploadFormat         texfmt= tex.getUploadFormat();
00087 
00088         <font class="comment">// If auto, retrieve the pixel format of the bitmap.</font>
00089         <font class="keywordflow">if</font>(texfmt== ITexture::Auto)
00090         {
00091                 <font class="keywordflow">switch</font>(tex.getPixelFormat())
00092                 {
00093                         <font class="keywordflow">case</font> CBitmap::RGBA: 
00094                                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o27">_ForceDXTCCompression</a> &amp;&amp; tex.allowDegradation() )
00095                                         texfmt= ITexture::DXTC5;
00096                                 <font class="keywordflow">else</font>
00097                                         texfmt= ITexture::RGBA8888;
00098                                 <font class="keywordflow">break</font>;
00099                         <font class="keywordflow">case</font> CBitmap::DXTC1: texfmt= ITexture::DXTC1; <font class="keywordflow">break</font>;
00100                         <font class="keywordflow">case</font> CBitmap::DXTC1Alpha: texfmt= ITexture::DXTC1Alpha; <font class="keywordflow">break</font>;
00101                         <font class="keywordflow">case</font> CBitmap::DXTC3: texfmt= ITexture::DXTC3; <font class="keywordflow">break</font>;
00102                         <font class="keywordflow">case</font> CBitmap::DXTC5: texfmt= ITexture::DXTC5; <font class="keywordflow">break</font>;
00103                         <font class="keywordflow">case</font> CBitmap::Luminance: texfmt= ITexture::Luminance; <font class="keywordflow">break</font>;
00104                         <font class="keywordflow">case</font> CBitmap::Alpha: texfmt= ITexture::Alpha; <font class="keywordflow">break</font>;
00105                         <font class="keywordflow">case</font> CBitmap::AlphaLuminance: texfmt= ITexture::AlphaLuminance; <font class="keywordflow">break</font>;
00106                         <font class="keywordflow">case</font> CBitmap::DsDt: texfmt= ITexture::DsDt; <font class="keywordflow">break</font>;
00107                         <font class="keywordflow">default</font>: texfmt= ITexture::RGBA8888; <font class="keywordflow">break</font>;
00108                 }
00109         }
00110 
00111 
00112         <font class="comment">// Get gl tex format, try S3TC compressed ones.</font>
00113         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC)
00114         {
00115                 compressed= <font class="keyword">true</font>;
00116                 <font class="comment">// Try Compressed ones.</font>
00117                 <font class="keywordflow">switch</font>(texfmt)
00118                 {
00119                         <font class="keywordflow">case</font> ITexture::DXTC1:           <font class="keywordflow">return</font> GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
00120                         <font class="keywordflow">case</font> ITexture::DXTC1Alpha:      <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
00121                         <font class="keywordflow">case</font> ITexture::DXTC3:           <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
00122                         <font class="keywordflow">case</font> ITexture::DXTC5:           <font class="keywordflow">return</font> GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
00123                         <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00124                 }
00125         }
00126 
00127 
00128         <font class="comment">// Get standard gl tex format.</font>
00129         compressed= <font class="keyword">false</font>;
00130         <font class="keywordflow">switch</font>(texfmt)
00131         {
00132                 <font class="keywordflow">case</font> ITexture::RGBA8888: <font class="keywordflow">return</font> GL_RGBA8;
00133                 <font class="keywordflow">case</font> ITexture::RGBA4444: <font class="keywordflow">return</font> GL_RGBA4;
00134                 <font class="keywordflow">case</font> ITexture::RGBA5551: <font class="keywordflow">return</font> GL_RGB5_A1;
00135                 <font class="keywordflow">case</font> ITexture::RGB888: <font class="keywordflow">return</font> GL_RGB8;
00136                 <font class="keywordflow">case</font> ITexture::RGB565: <font class="keywordflow">return</font> GL_RGB5;
00137                 <font class="keywordflow">case</font> ITexture::Luminance: <font class="keywordflow">return</font> GL_LUMINANCE8;
00138                 <font class="keywordflow">case</font> ITexture::Alpha: <font class="keywordflow">return</font> GL_ALPHA8;
00139                 <font class="keywordflow">case</font> ITexture::AlphaLuminance: <font class="keywordflow">return</font> GL_LUMINANCE8_ALPHA8;
00140                 <font class="keywordflow">case</font> ITexture::DsDt: 
00141                         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.NVTextureShader) <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>;
00142                         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ATIEnvMapBumpMap) <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>;
00143                         <font class="keywordflow">else</font>
00144                         {                       
00145                                 <a class="code" href="debug_8h.html#a6">nlassert</a>(0);
00146                                 <font class="keywordflow">return</font> 0;
00147                         }
00148                 <font class="keywordflow">break</font>;
00149                 <font class="keywordflow">default</font>: <font class="keywordflow">return</font> GL_RGBA8;
00150         }
00151 }
00152 
00153 
00154 <font class="comment">// ***************************************************************************</font>
00155 <font class="keyword">static</font> GLint    <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(ITexture &amp;tex, GLint glfmt)
00156 {
00157         <font class="comment">// Is destination format is alpha or lumiance ?</font>
00158         <font class="keywordflow">if</font> ((glfmt==GL_ALPHA8)||(glfmt==GL_LUMINANCE8_ALPHA8)||(glfmt==GL_LUMINANCE8))
00159         {
00160                 <font class="keywordflow">switch</font>(tex.getPixelFormat())
00161                 {
00162                 <font class="keywordflow">case</font> CBitmap::Alpha:    <font class="keywordflow">return</font> GL_ALPHA;
00163                 <font class="keywordflow">case</font> CBitmap::AlphaLuminance:   <font class="keywordflow">return</font> GL_LUMINANCE_ALPHA;
00164                 <font class="keywordflow">case</font> CBitmap::Luminance:        <font class="keywordflow">return</font> GL_LUMINANCE;
00165                 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00166                 }
00167         }
00168 
00169         <font class="keywordflow">if</font> (glfmt == <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>)
00170         {
00171                 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>;
00172         }
00173 
00174         <font class="keywordflow">if</font> (glfmt == <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>)
00175         {
00176                 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a350">GL_DUDV_ATI</a>;
00177         }
00178 
00179         <font class="comment">// Else, not a Src format for upload, or RGBA.</font>
00180         <font class="keywordflow">return</font> GL_RGBA;
00181 }
00182 
00183 <font class="comment">// ***************************************************************************</font>
00184 <font class="keyword">static</font> GLenum <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(GLint texSrcFormat)
00185 {
00186         <font class="keywordflow">switch</font> (texSrcFormat)
00187         {
00188                 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>:
00189                 <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>:
00190                         <font class="keywordflow">return</font> GL_BYTE; <font class="comment">// these are signed format                      </font>
00191                 <font class="keywordflow">break</font>;          
00192                 <font class="keywordflow">default</font>:
00193                         <font class="keywordflow">return</font> GL_UNSIGNED_BYTE;
00194                 <font class="keywordflow">break</font>;
00195 
00196         }
00197 }
00198 
00199 <font class="comment">// ***************************************************************************</font>
<a name="l00200"></a><a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">00200</a> uint                            CDriverGL::computeMipMapMemoryUsage(uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, uint h, GLint glfmt)<font class="keyword"> const</font>
00201 <font class="keyword"></font>{
00202         <font class="keywordflow">switch</font>(glfmt)
00203         {
00204         <font class="keywordflow">case</font> GL_RGBA8:          <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00205         <font class="comment">// Well this is ugly, but simple :). GeForce 888 is stored as 32 bits.</font>
00206         <font class="keywordflow">case</font> GL_RGB8:           <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00207         <font class="keywordflow">case</font> GL_RGBA4:          <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00208         <font class="keywordflow">case</font> GL_RGB5_A1:        <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00209         <font class="keywordflow">case</font> GL_RGB5:           <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00210         <font class="keywordflow">case</font> GL_LUMINANCE8:     <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00211         <font class="keywordflow">case</font> GL_ALPHA8:         <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00212         <font class="keywordflow">case</font> GL_LUMINANCE8_ALPHA8:      <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00213         <font class="keywordflow">case</font> GL_COMPRESSED_RGB_S3TC_DXT1_EXT:   <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h /2;
00214         <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:  <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h /2;
00215         <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:  <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00216         <font class="keywordflow">case</font> GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:  <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 1;
00217         <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a351">GL_DU8DV8_ATI</a>:
00218         <font class="keywordflow">case</font> <a class="code" href="driver__opengl__extension__def_8h.html#a180">GL_DSDT_NV</a>:                                                <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 2;
00219         };
00220 
00221         <font class="comment">// One format has not been coded.</font>
00222         <a class="code" href="debug_8h.html#a12">nlstop</a>;
00223 
00225         <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>*h* 4;
00226 }
00227 
00228 
00229 <font class="comment">// ***************************************************************************</font>
00230 <font class="comment">// Translation of Wrap mode.</font>
00231 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum    <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::TWrapMode mode, <font class="keyword">const</font> CGlExtensions &amp;extensions)
00232 {
00233         <font class="keywordflow">if</font>(mode== ITexture::Repeat)
00234                 <font class="keywordflow">return</font> GL_REPEAT;
00235         <font class="keywordflow">else</font>
00236         {
00237                 <font class="keywordflow">if</font>(extensions.Version1_2)
00238                         <font class="keywordflow">return</font> GL_CLAMP_TO_EDGE;
00239                 <font class="keywordflow">else</font>
00240                         <font class="keywordflow">return</font> GL_CLAMP;
00241         }
00242 }
00243 
00244 
00245 <font class="comment">// ***************************************************************************</font>
00246 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum    <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(ITexture::TMagFilter mode)
00247 {       
00248         <font class="keywordflow">switch</font>(mode)
00249         {
00250                 <font class="keywordflow">case</font> ITexture::Linear: <font class="keywordflow">return</font> GL_LINEAR;
00251                 <font class="keywordflow">case</font> ITexture::Nearest: <font class="keywordflow">return</font> GL_NEAREST;
00252                 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00253         }
00254 
00255         <a class="code" href="debug_8h.html#a12">nlstop</a>;
00256         <font class="keywordflow">return</font> GL_LINEAR;
00257 }
00258 
00259 
00260 <font class="comment">// ***************************************************************************</font>
00261 <font class="keyword">static</font> <font class="keyword">inline</font> GLenum    <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(ITexture::TMinFilter mode)
00262 {
00263         <font class="keywordflow">switch</font>(mode)
00264         {
00265                 <font class="keywordflow">case</font> ITexture::NearestMipMapOff: <font class="keywordflow">return</font> GL_NEAREST;
00266                 <font class="keywordflow">case</font> ITexture::NearestMipMapNearest: <font class="keywordflow">return</font> GL_NEAREST_MIPMAP_NEAREST;
00267                 <font class="keywordflow">case</font> ITexture::NearestMipMapLinear: <font class="keywordflow">return</font> GL_NEAREST_MIPMAP_LINEAR;
00268                 <font class="keywordflow">case</font> ITexture::LinearMipMapOff: <font class="keywordflow">return</font> GL_LINEAR;
00269                 <font class="keywordflow">case</font> ITexture::LinearMipMapNearest: <font class="keywordflow">return</font> GL_LINEAR_MIPMAP_NEAREST;
00270                 <font class="keywordflow">case</font> ITexture::LinearMipMapLinear: <font class="keywordflow">return</font> GL_LINEAR_MIPMAP_LINEAR;
00271                 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00272         }
00273 
00274         <a class="code" href="debug_8h.html#a12">nlstop</a>;
00275         <font class="keywordflow">return</font> GL_LINEAR;
00276 }
00277 
00278 
00279 <font class="comment">// ***************************************************************************</font>
00280 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">bool</font>              <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(ITexture &amp;tex, GLint glfmt)
00281 {
00282         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGB_S3TC_DXT1_EXT &amp;&amp; tex.PixelFormat==CBitmap::DXTC1)
00283                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00284         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT1_EXT &amp;&amp; tex.PixelFormat==CBitmap::DXTC1Alpha)
00285                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00286         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT3_EXT &amp;&amp; tex.PixelFormat==CBitmap::DXTC3)
00287                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00288         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT5_EXT &amp;&amp; tex.PixelFormat==CBitmap::DXTC5)
00289                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00290 
00291         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00292 }
00293 
00294 
00295 <font class="comment">// ***************************************************************************</font>
00296 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">bool</font>              <a class="code" href="namespaceNL3D.html#a354">isDXTCFormat</a>(GLint glfmt)
00297 {
00298         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGB_S3TC_DXT1_EXT)
00299                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00300         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
00301                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00302         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT3_EXT)
00303                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00304         <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
00305                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00306 
00307         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00308 }
00309 
00310 
00311 <font class="comment">// ***************************************************************************</font>
<a name="l00312"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a18">00312</a> <font class="keywordtype">bool</font> CDriverGL::setupTexture (ITexture&amp; tex)
00313 {
00314         <font class="keywordtype">bool</font> nTmp;
00315         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#a19">setupTextureEx</a> (tex, <font class="keyword">true</font>, nTmp);
00316 }
00317 
00318 <font class="comment">// ***************************************************************************</font>
<a name="l00319"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a19">00319</a> <font class="keywordtype">bool</font> CDriverGL::setupTextureEx (ITexture&amp; tex, <font class="keywordtype">bool</font> bUpload, <font class="keywordtype">bool</font> &amp;bAllUploaded, <font class="keywordtype">bool</font> bMustRecreateSharedTexture)
00320 {
00321         bAllUploaded = <font class="keyword">false</font>;
00322         
00323         <font class="keywordflow">if</font>(tex.isTextureCube() &amp;&amp; (!<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ARBTextureCubeMap))
00324                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00325 
00326         <font class="comment">// 0. Create/Retrieve the driver texture.</font>
00327         <font class="comment">//=======================================</font>
00328         <font class="keywordtype">bool</font> mustCreate = <font class="keyword">false</font>;
00329         <font class="keywordflow">if</font> ( !tex.TextureDrvShare )
00330         {
00331                 <font class="comment">// insert into driver list. (so it is deleted when driver is deleted).</font>
00332                 <a class="code" href="namespaceNL3D.html#a247">ItTexDrvSharePtrList</a>    it= <a class="code" href="classNL3D_1_1IDriver.html#n1">_TexDrvShares</a>.insert(<a class="code" href="classNL3D_1_1IDriver.html#n1">_TexDrvShares</a>.end());
00333                 <font class="comment">// create and set iterator, for future deletion.</font>
00334                 *it= tex.TextureDrvShare= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1IDriver.html#l1">CTextureDrvShare</a>(<font class="keyword">this</font>, it);
00335 
00336                 <font class="comment">// Must (re)-create the texture.</font>
00337                 mustCreate = <font class="keyword">true</font>;
00338         }
00339 
00340         <font class="keywordflow">if</font> ( (!tex.touched()) &amp;&amp; (!mustCreate) )
00341                 <font class="keywordflow">return</font> <font class="keyword">true</font>; <font class="comment">// Do not do anything</font>
00342 
00343 
00344         <font class="comment">// 1. If modified, may (re)load texture part or all of the texture.</font>
00345         <font class="comment">//=================================================================</font>
00346 
00347 
00348         <font class="keywordtype">bool</font>    mustLoadAll= <font class="keyword">false</font>;
00349         <font class="keywordtype">bool</font>    mustLoadPart= <font class="keyword">false</font>;
00350 
00351 
00352         <font class="comment">// To avoid any delete/new ptr problem, disable all texturing.</font>
00353         <font class="comment">/* If an old texture is deleted, _CurrentTexture[*] and _CurrentTextureInfoGL[*] are invalid. </font>
00354 <font class="comment">                But this is grave only if a new texture is created, with the same pointer (bad luck). </font>
00355 <font class="comment">                Since an newly allocated texture always pass here before use, we are sure to avoid any problems.</font>
00356 <font class="comment">        */</font>
00357         <font class="keywordflow">for</font>(sint stage=0 ; stage&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
00358         {
00359                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage, NULL);
00360         }
00361 
00362 
00363         <font class="comment">// A. Share mgt.</font>
00364         <font class="comment">//==============</font>
00365         <font class="keywordflow">if</font>(tex.supportSharing())
00366         {
00367                 <font class="comment">// Try to get the shared texture.</font>
00368 
00369                 <font class="comment">// Create the shared Name.</font>
00370                 std::string     name;
00371                 <a class="code" href="classNL3D_1_1IDriver.html#d0">getTextureShareName</a> (tex, name);
00372 
00373                 <font class="comment">// insert or get the texture.</font>
00374                 {
00375                         CSynchronized&lt;TTexDrvInfoPtrMap&gt;::CAccessor access(&amp;<a class="code" href="classNL3D_1_1IDriver.html#n0">_SyncTexDrvInfos</a>);
00376                         TTexDrvInfoPtrMap &amp;rTexDrvInfos = access.value();
00377 
00378                         <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a>      itTex;
00379                         itTex= rTexDrvInfos.find(name);
00380 
00381                         <font class="comment">// texture not found?</font>
00382                         <font class="keywordflow">if</font>( itTex==rTexDrvInfos.end() )
00383                         {
00384                                 <font class="comment">// insert into driver map. (so it is deleted when driver is deleted).</font>
00385                                 itTex= (rTexDrvInfos.insert(make_pair(name, (<a class="code" href="classNL3D_1_1IDriver.html#l2">ITextureDrvInfos</a>*)NULL))).first;
00386                                 <font class="comment">// create and set iterator, for future deletion.</font>
00387                                 itTex-&gt;second= tex.TextureDrvShare-&gt;DrvTexture= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>(<font class="keyword">this</font>, itTex, <font class="keyword">this</font>);
00388 
00389                                 <font class="comment">// need to load ALL this texture.</font>
00390                                 mustLoadAll= <font class="keyword">true</font>;
00391                         }
00392                         <font class="keywordflow">else</font>
00393                         {
00394                                 tex.TextureDrvShare-&gt;DrvTexture= itTex-&gt;second;
00395 
00396                                 <font class="keywordflow">if</font>(bMustRecreateSharedTexture)
00397                                         <font class="comment">// reload this shared texture (user request)</font>
00398                                         mustLoadAll= <font class="keyword">true</font>;
00399                                 <font class="keywordflow">else</font>
00400                                         <font class="comment">// Do not need to reload this texture, even if the format/mipmap has changed, since we found this </font>
00401                                         <font class="comment">// couple in the map.</font>
00402                                         mustLoadAll= <font class="keyword">false</font>;
00403                         }
00404                 }
00405                 <font class="comment">// Do not test if part of texture may need to be computed, because Rect invalidation is incompatible </font>
00406                 <font class="comment">// with texture sharing.</font>
00407         }
00408         <font class="keywordflow">else</font>
00409         {
00410                 <font class="comment">// If texture not already created.</font>
00411                 <font class="keywordflow">if</font>(!tex.TextureDrvShare-&gt;DrvTexture)
00412                 {
00413                         <font class="comment">// Must create it. Create auto a GL id (in constructor).</font>
00414                         <font class="comment">// Do not insert into the map. This un-shared texture will be deleted at deletion of the texture.</font>
00415                         <font class="comment">// Inform ITextureDrvInfos by passing NULL _Driver.</font>
00416                         tex.TextureDrvShare-&gt;DrvTexture= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>(NULL, <a class="code" href="namespaceNL3D.html#a246">ItTexDrvInfoPtrMap</a>(), <font class="keyword">this</font>);
00417 
00418                         <font class="comment">// need to load ALL this texture.</font>
00419                         mustLoadAll= <font class="keyword">true</font>;
00420                 }
00421                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(tex.isAllInvalidated())
00422                         mustLoadAll= <font class="keyword">true</font>;
00423                 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(tex.touched())
00424                         mustLoadPart= <font class="keyword">true</font>;
00425         }
00426 
00427         <font class="comment">// B. Setup texture.</font>
00428         <font class="comment">//==================</font>
00429         <font class="keywordflow">if</font>(mustLoadAll || mustLoadPart)
00430         {
00431                 <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>*     gltext;
00432                 gltext= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex);
00433 
00434                 <font class="comment">// system of "backup the previous binded texture" seems to not work with some drivers....</font>
00435                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(0);
00436                 <font class="keywordflow">if</font>(tex.isTextureCube())
00437                 {
00438                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
00439                         <font class="comment">// Bind this texture, for reload...</font>
00440                         glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, gltext-&gt;ID);                             
00441                 }
00442                 <font class="keywordflow">else</font>
00443                 {
00444                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::Texture2D);
00445                         <font class="comment">// Bind this texture, for reload...</font>
00446                         glBindTexture(GL_TEXTURE_2D, gltext-&gt;ID);                               
00447                 }
00448 
00449 
00450                 glPixelStorei(GL_UNPACK_ALIGNMENT,1);
00451 
00452                 <font class="comment">// a. Load All the texture case.</font>
00453                 <font class="comment">//==============================</font>
00454                 <font class="keywordflow">if</font> (mustLoadAll)
00455                 {
00456                         <font class="comment">// profiling. sub old textre memory usage, and reset.</font>
00457                         <a class="code" href="classNL3D_1_1CDriverGL.html#z412_3">_AllocatedTextureMemory</a>-= gltext-&gt;TextureMemory;
00458                         gltext-&gt;TextureMemory= 0;
00459 
00460 
00461                         <font class="keywordflow">if</font>(tex.isTextureCube())
00462                         {
00463                                 <font class="keyword">static</font> GLenum face_map[6] = {   GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
00464                                                                                                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
00465                                                                                                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
00466                                                                                                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
00467                                                                                                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
00468                                                                                                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB };
00469                                 CTextureCube *pTC = NLMISC::safe_cast&lt;CTextureCube *&gt;(&amp;tex);
00470                                 <font class="comment">// Regenerate all the texture.</font>
00471                                 tex.generate();                                 
00472                                 <font class="keywordflow">for</font>(uint nText = 0; nText &lt; 6; ++nText)
00473                                 <font class="keywordflow">if</font>(pTC-&gt;getTexture((CTextureCube::TFace)nText) != NULL)
00474                                 {
00475                                         ITexture *pTInTC = pTC-&gt;getTexture((CTextureCube::TFace)nText);
00476                                         <font class="comment">// Get the correct texture format from texture...</font>
00477                                         GLint   glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(*pTInTC, gltext-&gt;Compressed);
00478                                         GLint   glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(*pTInTC, glfmt);
00479                                         GLenum  glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00480 
00481                                         sint    nMipMaps;
00482                                         <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA &amp;&amp; pTInTC-&gt;getPixelFormat()!=CBitmap::RGBA )
00483                                                 pTInTC-&gt;convertToType(CBitmap::RGBA);
00484                                         <font class="keywordflow">if</font>(tex.mipMapOn())
00485                                         {
00486                                                 pTInTC-&gt;buildMipMaps();
00487                                                 nMipMaps= pTInTC-&gt;getMipMapCount();
00488                                         }
00489                                         <font class="keywordflow">else</font>
00490                                                 nMipMaps= 1;
00491 
00492                                         <font class="comment">// Fill mipmaps.</font>
00493                                         <font class="keywordflow">for</font>(sint i=0;i&lt;nMipMaps;i++)
00494                                         {
00495                                                 <font class="keywordtype">void</font>    *ptr= &amp;(*pTInTC-&gt;getPixels(i).begin());
00496                                                 uint    <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= pTInTC-&gt;getWidth(i);
00497                                                 uint    h= pTInTC-&gt;getHeight(i);
00498                                                 <font class="keywordflow">if</font> (bUpload)
00499                                                 {
00500                                                         glTexImage2D (face_map[nText], i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, glSrcFmt, glSrcType, ptr);
00501                                                         bAllUploaded = <font class="keyword">true</font>;
00502                                                 }
00503                                                 <font class="keywordflow">else</font>
00504                                                 {
00505                                                         glTexImage2D (face_map[nText], i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, glSrcFmt, glSrcType, NULL);
00506                                                 }
00507                                                 <font class="comment">// profiling: count TextureMemory usage.</font>
00508                                                 gltext-&gt;TextureMemory+= <a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">computeMipMapMemoryUsage</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, glfmt);
00509                                         }
00510                                 }
00511                         }
00512                         <font class="keywordflow">else</font>
00513                         {
00514                                 <font class="comment">// Regenerate all the texture.</font>
00515                                 tex.generate();
00516 
00517                                 <font class="keywordflow">if</font>(tex.getSize()&gt;0)
00518                                 {
00519                                         <font class="comment">// Get the correct texture format from texture...</font>
00520                                         GLint   glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(tex, gltext-&gt;Compressed);
00521                                         GLint   glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(tex, glfmt);
00522                                         GLenum  glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00523 
00524                                         <font class="comment">// DXTC: if same format, and same mipmapOn/Off, use glTexCompressedImage*.</font>
00525                                         <font class="comment">// We cannot build the mipmaps if they are not here.</font>
00526                                         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC &amp;&amp; <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &amp;&amp;
00527                                                 (tex.mipMapOff() || tex.getMipMapCount()&gt;1) )
00528                                         {
00529                                                 sint    nMipMaps;
00530                                                 <font class="keywordflow">if</font>(tex.mipMapOn())
00531                                                         nMipMaps= tex.getMipMapCount();
00532                                                 <font class="keywordflow">else</font>
00533                                                         nMipMaps= 1;
00534 
00535                                                 <font class="comment">// Degradation in Size allowed only if DXTC texture are provided with mipmaps.</font>
00536                                                 <font class="comment">// Because use them to resize !!!</font>
00537                                                 uint    decalMipMapResize= 0;
00538                                                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>&gt;0 &amp;&amp; tex.allowDegradation() &amp;&amp; nMipMaps&gt;1)
00539                                                 {
00540                                                         decalMipMapResize= <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>, (uint)(nMipMaps-1));
00541                                                 }
00542 
00543                                                 <font class="comment">// Fill mipmaps.</font>
00544                                                 <font class="keywordflow">for</font>(sint i=decalMipMapResize;i&lt;nMipMaps;i++)
00545                                                 {
00546                                                         <font class="keywordtype">void</font>    *ptr= &amp;(*tex.getPixels(i).begin());
00547                                                         sint    size= tex.getPixels(i).size();
00548                                                         <font class="keywordflow">if</font> (bUpload)
00549                                                         {
00550                                                                 <a class="code" href="driver__opengl__extension_8h.html#a35">nglCompressedTexImage2DARB</a> (GL_TEXTURE_2D, i-decalMipMapResize, glfmt, 
00551                                                                                                                         tex.getWidth(i),tex.getHeight(i), 0, size, ptr);
00552                                                                 bAllUploaded = <font class="keyword">true</font>;
00553                                                         }
00554                                                         <font class="keywordflow">else</font>
00555                                                         {
00556                                                                 <font class="comment">//nglCompressedTexImage2DARB (GL_TEXTURE_2D, i-decalMipMapResize, glfmt, </font>
00557                                                                 <font class="comment">//                                                      tex.getWidth(i),tex.getHeight(i), 0, size, NULL);</font>
00558                                                                 glTexImage2D (GL_TEXTURE_2D, i-decalMipMapResize, glfmt, tex.getWidth(i), tex.getHeight(i), 
00559                                                                                                 0, glSrcFmt, glSrcType, NULL);
00560                                                         }
00561 
00562                                                         <font class="comment">// profiling: count TextureMemory usage.</font>
00563                                                         gltext-&gt;TextureMemory+= tex.getPixels(i).size();
00564                                                 }
00565                                         }
00566                                         <font class="keywordflow">else</font>
00567                                         {
00568                                                 sint    nMipMaps;
00569                                                 <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA &amp;&amp; tex.getPixelFormat()!=CBitmap::RGBA )
00570                                                 {
00571                                                         bUpload = <font class="keyword">true</font>; <font class="comment">// Force all upload</font>
00572                                                         tex.convertToType(CBitmap::RGBA);
00573                                                 }
00574 
00575                                                 <font class="comment">// Degradation in Size.</font>
00576                                                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>&gt;0 &amp;&amp; tex.allowDegradation())
00577                                                 {
00578                                                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(0) &gt;&gt; <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>;
00579                                                         uint    h= tex.getHeight(0) &gt;&gt; <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>;
00580                                                         <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= max(1U, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00581                                                         h= max(1U, h);
00582                                                         tex.resample(<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h);
00583                                                 }
00584 
00585                                                 <font class="keywordflow">if</font>(tex.mipMapOn())
00586                                                 {
00587                                                         tex.buildMipMaps();
00588                                                         nMipMaps= tex.getMipMapCount();
00589                                                 }
00590                                                 <font class="keywordflow">else</font>
00591                                                         nMipMaps= 1;
00592 
00593                                                 <font class="comment">// Fill mipmaps.</font>
00594                                                 <font class="keywordflow">for</font>(sint i=0;i&lt;nMipMaps;i++)
00595                                                 {
00596                                                         <font class="keywordtype">void</font>    *ptr= &amp;(*tex.getPixels(i).begin());
00597                                                         uint    <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(i);
00598                                                         uint    h= tex.getHeight(i);
00599 
00600                                                         <font class="keywordflow">if</font> (bUpload)
00601                                                         {                                                                                                                               
00602                                                                 glTexImage2D (GL_TEXTURE_2D, i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0,glSrcFmt, glSrcType, ptr);
00603                                                                 bAllUploaded = <font class="keyword">true</font>;
00604                                                         }
00605                                                         <font class="keywordflow">else</font>
00606                                                         {                                                               
00607                                                                 glTexImage2D (GL_TEXTURE_2D, i, glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0,glSrcFmt, glSrcType, NULL);                                                              
00608                                                         }
00609                                                         <font class="comment">// profiling: count TextureMemory usage.</font>
00610                                                         gltext-&gt;TextureMemory += <a class="code" href="classNL3D_1_1CDriverGL.html#z412_0">computeMipMapMemoryUsage</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, glfmt);
00611                                                 }
00612                                         }
00613                                 }
00614                         }
00615                         <font class="comment">//printf("%d,%d,%d\n", tex.getMipMapCount(), tex.getWidth(0), tex.getHeight(0));</font>
00616 
00617 
00618                         <font class="comment">// profiling. add new TextureMemory usage.</font>
00619                         <a class="code" href="classNL3D_1_1CDriverGL.html#z412_3">_AllocatedTextureMemory</a>+= gltext-&gt;TextureMemory;
00620                 }
00621                 <font class="comment">// b. Load part of the texture case.</font>
00622                 <font class="comment">//==================================</font>
00623                 <font class="comment">// \todo yoyo: TODO_DXTC</font>
00624                 <font class="comment">// Replace parts of a compressed image. Maybe don't work with the actual system of invalidateRect()...</font>
00625                 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (mustLoadPart &amp;&amp; !gltext-&gt;Compressed)
00626                 {
00627                         <font class="comment">// Regenerate wanted part of the texture.</font>
00628                         tex.generate();
00629 
00630                         <font class="keywordflow">if</font>(tex.getSize()&gt;0)
00631                         {
00632                                 <font class="comment">// Get the correct texture format from texture...</font>
00633                                 <font class="comment">//===============================================</font>
00634                                 <font class="keywordtype">bool</font>    dummy;
00635                                 GLint   glfmt= <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a>(tex, dummy);
00636                                 GLint   glSrcFmt= <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a>(tex, glfmt);
00637                                 GLenum  glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00638 
00639                                 sint    nMipMaps;
00640                                 <font class="keywordflow">if</font>(glSrcFmt==GL_RGBA &amp;&amp; tex.getPixelFormat()!=CBitmap::RGBA )
00641                                         tex.convertToType(CBitmap::RGBA);
00642                                 <font class="keywordflow">if</font>(tex.mipMapOn())
00643                                 {
00644                                         <font class="keywordtype">bool</font>    hadMipMap= tex.getMipMapCount()&gt;1;
00645                                         tex.buildMipMaps();
00646                                         nMipMaps= tex.getMipMapCount();
00647                                         <font class="comment">// If the texture had no mipmap before, release them.</font>
00648                                         <font class="keywordflow">if</font>(!hadMipMap)
00649                                         {
00650                                                 tex.releaseMipMaps();
00651                                         }
00652                                 }
00653                                 <font class="keywordflow">else</font>
00654                                         nMipMaps= 1;
00655 
00656                                 <font class="comment">// For all rect, update the texture/mipmap.</font>
00657                                 <font class="comment">//===============================================</font>
00658                                 list&lt;NLMISC::CRect&gt;::iterator   itRect;
00659                                 <font class="keywordflow">for</font>(itRect=tex._ListInvalidRect.begin(); itRect!=tex._ListInvalidRect.end(); itRect++)
00660                                 {
00661                                         CRect   &amp;rect= *itRect;
00662                                         sint    x0= rect.X;
00663                                         sint    y0= rect.Y;
00664                                         sint    x1= rect.X+rect.Width;
00665                                         sint    y1= rect.Y+rect.Height;
00666 
00667                                         <font class="comment">// Fill mipmaps.</font>
00668                                         <font class="keywordflow">for</font>(sint i=0;i&lt;nMipMaps;i++)
00669                                         {
00670                                                 <font class="keywordtype">void</font>    *ptr= &amp;(*tex.getPixels(i).begin());
00671                                                 sint    <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(i);
00672                                                 sint    h= tex.getHeight(i);
00673                                                 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(x0, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00674                                                 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(y0, 0, h);
00675                                                 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(x1, x0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00676                                                 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(y1, y0, h);
00677 
00678                                                 glPixelStorei(GL_UNPACK_ROW_LENGTH, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00679                                                 glPixelStorei(GL_UNPACK_SKIP_ROWS, y0);
00680                                                 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x0);
00681                                                 <font class="keywordflow">if</font> (bUpload)
00682                                                         glTexSubImage2D (GL_TEXTURE_2D, i, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, ptr);
00683                                                 <font class="keywordflow">else</font>
00684                                                         glTexSubImage2D (GL_TEXTURE_2D, i, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, NULL);
00685 
00686                                                 <font class="comment">// Next mipmap!!</font>
00687                                                 <font class="comment">// floor .</font>
00688                                                 x0= x0/2;
00689                                                 y0= y0/2;
00690                                                 <font class="comment">// ceil.</font>
00691                                                 x1= (x1+1)/2;
00692                                                 y1= (y1+1)/2;
00693                                         }
00694                                 }
00695 
00696                                 <font class="comment">// Reset the transfer mode...</font>
00697                                 glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
00698                                 glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
00699                                 glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
00700                         }
00701                 }
00702 
00703 
00704                 <font class="comment">// Release, if wanted.</font>
00705                 <font class="keywordflow">if</font>(tex.getReleasable())
00706                         tex.release();
00707 
00708                 <font class="comment">// Basic parameters.</font>
00709                 <font class="comment">//==================</font>
00710                 gltext-&gt;WrapS= tex.getWrapS();
00711                 gltext-&gt;WrapT= tex.getWrapT();
00712                 gltext-&gt;MagFilter= tex.getMagFilter();
00713                 gltext-&gt;MinFilter= tex.getMinFilter();
00714                 <font class="keywordflow">if</font>(tex.isTextureCube())
00715                 {
00716                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00717                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00718                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_WRAP_R, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(ITexture::Clamp, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00719                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext-&gt;MagFilter));
00720                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext-&gt;MinFilter));
00721                 }
00722                 <font class="keywordflow">else</font>
00723                 {
00724                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext-&gt;WrapS, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00725                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext-&gt;WrapT, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00726                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext-&gt;MagFilter));
00727                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext-&gt;MinFilter));
00728                 }
00729 
00730 
00731 
00732                 <font class="comment">// Disable texture 0</font>
00733                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00734                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00735                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureDisabled);
00736         }
00737 
00738 
00739         <font class="comment">// The texture is correctly setuped.</font>
00740         tex.clearTouched();
00741         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00742 }
00743 
00744 
00745 <font class="comment">// ***************************************************************************</font>
<a name="l00746"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a20">00746</a> <font class="keywordtype">bool</font> CDriverGL::uploadTexture (ITexture&amp; tex, CRect&amp; rect, uint8 nNumMipMap)
00747 {
00748         <font class="keywordflow">if</font> (tex.TextureDrvShare == NULL)
00749                 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00750         <font class="keywordflow">if</font> (tex.TextureDrvShare-&gt;DrvTexture == NULL)
00751                 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00752         <font class="keywordflow">if</font> (tex.isTextureCube())
00753                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00754 
00755         <a class="code" href="debug_8h.html#a6">nlassert</a>(nNumMipMap&lt;(uint8)tex.getMipMapCount());
00756 
00757         <font class="comment">// validate rect.</font>
00758         sint x0 = rect.X;
00759         sint y0 = rect.Y;
00760         sint x1 = rect.X+rect.Width;
00761         sint y1 = rect.Y+rect.Height;
00762         sint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> = tex.getWidth (nNumMipMap);
00763         sint h = tex.getHeight (nNumMipMap);
00764         <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (x0, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00765         <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (y0, 0, h);
00766         <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (x1, x0, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00767         <a class="code" href="namespaceNLMISC.html#a215">clamp</a> (y1, y0, h);
00768 
00769         <font class="comment">// bind the texture to upload </font>
00770         <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>*     gltext;
00771         gltext = <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a> (tex);
00772 
00773         <font class="comment">// system of "backup the previous binded texture" seems to not work with some drivers....</font>
00774         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB (0);
00775         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::Texture2D);
00776         <font class="comment">// Bind this texture, for reload...</font>
00777         glBindTexture (GL_TEXTURE_2D, gltext-&gt;ID);
00778 
00779         glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
00780 
00781         <font class="keywordtype">bool</font> dummy;
00782         GLint glfmt = <a class="code" href="classNL3D_1_1CDriverGL.html#c12">getGlTextureFormat</a> (tex, dummy);
00783         GLint glSrcFmt = <a class="code" href="namespaceNL3D.html#a348">getGlSrcTextureFormat</a> (tex, glfmt);
00784         GLenum  glSrcType= <a class="code" href="namespaceNL3D.html#a349">getGlSrcTextureComponentType</a>(glSrcFmt);
00785         <font class="comment">// If DXTC format</font>
00786         <font class="comment">//if (isDXTCFormat(glfmt))</font>
00787         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC &amp;&amp; <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &amp;&amp;
00788                         (tex.mipMapOff() || tex.getMipMapCount()&gt;1) )
00789         {
00790                 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureCompressionS3TC &amp;&amp; <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &amp;&amp;
00791                                         (tex.mipMapOff() || tex.getMipMapCount()&gt;1) );
00792 
00793                 sint nUploadMipMaps;
00794                 <font class="keywordflow">if</font> (tex.mipMapOn())
00795                         nUploadMipMaps = tex.getMipMapCount();
00796                 <font class="keywordflow">else</font>
00797                         nUploadMipMaps = 1;
00798 
00799                 uint decalMipMapResize = 0;
00800                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>&gt;0 &amp;&amp; tex.allowDegradation() &amp;&amp; nUploadMipMaps&gt;1)
00801                 {
00802                         decalMipMapResize = <a class="code" href="bit__set_8cpp.html#a0">min</a>(<a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>, (uint)(nUploadMipMaps-1));
00803                 }
00804 
00805                 <font class="comment">// Compute src compressed size and location</font>
00806                 sint <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = (x1-x0)*(y1-y0);
00807                 <font class="keywordtype">void</font> *ptr = &amp;(*tex.getPixels(nNumMipMap).begin());
00808 
00809                 <font class="comment">// If DXTC1 or DXTC1A, then 4 bits/texel else 8 bits/texel</font>
00810                 <font class="keywordflow">if</font> (glfmt == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || glfmt == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
00811                 {
00812                         <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> /= 2;
00813                         ptr = (uint8*)ptr + y0*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>/2 + x0/2;
00814                 }
00815                 <font class="keywordflow">else</font>
00816                 {
00817                         ptr = (uint8*)ptr + y0*<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a> + x0;
00818                 }
00819 
00820                 <font class="comment">// Upload</font>
00821 
00822                 <font class="keywordflow">if</font> (decalMipMapResize &gt; nNumMipMap)
00823                 {
00824                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00825                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00826                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::TextureDisabled);
00827                         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00828                 }
00829                         
00830 
00831                 <a class="code" href="debug_8h.html#a6">nlassert</a> (((x0&amp;3) == 0) &amp;&amp; ((y0&amp;3) == 0));
00832                 <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>&gt;=4) &amp;&amp; (h&gt;=4))
00833                 {
00834                         <a class="code" href="driver__opengl__extension_8h.html#a38">nglCompressedTexSubImage2DARB</a> ( GL_TEXTURE_2D, nNumMipMap-decalMipMapResize, 
00835                                                                                         x0, y0, (x1-x0), (y1-y0), glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>, ptr );
00836                 }
00837                 <font class="keywordflow">else</font>
00838                 {
00839                         <font class="comment">// The CompressedTexSubImage2DARB function do not functionnate properly if width or height</font>
00840                         <font class="comment">// of the mipmap is less than 4 pixel so we use the other form. (its not really time critical</font>
00841                         <font class="comment">// to upload 16 bytes so we can do it twice if texture is cut)</font>
00842                         <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a> = tex.getPixels(nNumMipMap).size();
00843                         <a class="code" href="driver__opengl__extension_8h.html#a35">nglCompressedTexImage2DARB</a> (GL_TEXTURE_2D, nNumMipMap-decalMipMapResize, 
00844                                                                                 glfmt, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>, h, 0, <a class="code" href="driver__opengl__extension__def_8h.html#a393">imageSize</a>, ptr);
00845                 }
00846         }
00847         <font class="keywordflow">else</font>
00848         {
00849                 <font class="comment">// glSrcFmt and ITexture format must be identical</font>
00850                 <a class="code" href="debug_8h.html#a6">nlassert</a> (glSrcFmt!=GL_RGBA || tex.getPixelFormat()==CBitmap::RGBA);
00851 
00852                 <font class="keywordtype">void</font>    *ptr= &amp;(*tex.getPixels(nNumMipMap).begin());
00853                 glPixelStorei (GL_UNPACK_ROW_LENGTH, <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>);
00854                 glPixelStorei (GL_UNPACK_SKIP_ROWS, y0);
00855                 glPixelStorei (GL_UNPACK_SKIP_PIXELS, x0);
00856                 glTexSubImage2D (GL_TEXTURE_2D, nNumMipMap, x0, y0, x1-x0, y1-y0, glSrcFmt,glSrcType, ptr);
00857 
00858                 <font class="comment">// Reset the transfer mode...</font>
00859                 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
00860                 glPixelStorei (GL_UNPACK_SKIP_ROWS, 0);
00861                 glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0);
00862         }
00863 
00864         <font class="comment">// Disable texture 0</font>
00865         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[0]= NULL;
00866         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[0]= NULL;
00867         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode (CDriverGLStates::TextureDisabled);
00868 
00869         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00870 }
00871 
00872 <font class="comment">// ***************************************************************************</font>
<a name="l00873"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a21">00873</a> <font class="keywordtype">bool</font> CDriverGL::uploadTextureCube (ITexture&amp; tex, CRect&amp; rect, uint8 nNumMipMap, uint8 nNumFace)
00874 {
00875         <font class="keywordflow">if</font> (tex.TextureDrvShare == NULL)
00876                 <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// Texture not created</font>
00877         <font class="keywordflow">if</font> (!tex.isTextureCube())
00878                 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00879 
00880         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00881 }
00882 
00883 <font class="comment">// ***************************************************************************</font>
<a name="l00884"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c2">00884</a> <font class="keywordtype">bool</font> CDriverGL::activateTexture(uint stage, ITexture *tex)
00885 {       
00886         <font class="keywordflow">if</font> (this-&gt;<a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[stage]!=tex)
00887         {
00888                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
00889                 <font class="keywordflow">if</font>(tex)
00890                 {
00891                         <font class="comment">// get the drv info. should be not NULL.</font>
00892                         <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>*     gltext;
00893                         gltext= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(*tex);
00894 
00895                         <font class="comment">// Profile, log the use of this texture</font>
00896                         <font class="comment">//=========================================</font>
00897                         <font class="keywordflow">if</font> (_SumTextureMemoryUsed)
00898                         {
00899                                 <font class="comment">// Insert the pointer of this texture</font>
00900                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z412_7">_TextureUsed</a>.insert (gltext);
00901                         }
00902 
00903 
00904                         <font class="keywordflow">if</font>(tex-&gt;isTextureCube())
00905                         {
00906                                 <font class="comment">// setup texture mode, after activeTextureARB()</font>
00907                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureCubeMap);
00908 
00909                                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.ARBTextureCubeMap)
00910                                 {
00911                                         <font class="comment">// Activate texturing...</font>
00912                                         <font class="comment">//======================</font>
00913 
00914                                         <font class="comment">// If the shared texture is the same than before, no op.</font>
00915                                         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage] != gltext)
00916                                         {
00917                                                 <font class="comment">// Cache setup.</font>
00918                                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= gltext;
00919 
00920                                                 <font class="comment">// setup this texture</font>
00921                                                 glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, gltext-&gt;ID);
00922                                                 
00923 
00924                                                 <font class="comment">// Change parameters of texture, if necessary.</font>
00925                                                 <font class="comment">//============================================</font>
00926                                                 <font class="keywordflow">if</font>(gltext-&gt;MagFilter!= tex-&gt;getMagFilter())
00927                                                 {
00928                                                         gltext-&gt;MagFilter= tex-&gt;getMagFilter();
00929                                                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext-&gt;MagFilter));
00930                                                 }
00931                                                 <font class="keywordflow">if</font>(gltext-&gt;MinFilter!= tex-&gt;getMinFilter())
00932                                                 {
00933                                                         gltext-&gt;MinFilter= tex-&gt;getMinFilter();
00934                                                         glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext-&gt;MinFilter));
00935                                                 }
00936                                         }
00937                                 }
00938                         }
00939                         <font class="keywordflow">else</font>
00940                         {
00941                                 <font class="comment">// setup texture mode, after activeTextureARB()</font>
00942                                 <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::Texture2D);                                                             
00943 
00944                                 <font class="comment">// Activate texture...</font>
00945                                 <font class="comment">//======================</font>
00946 
00947                                 <font class="comment">// If the shared texture is the same than before, no op.</font>
00948                                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage] != gltext)
00949                                 {
00950                                         <font class="comment">// Cache setup.</font>
00951                                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= gltext;
00952 
00953                                         <font class="comment">// setup this texture</font>
00954                                         glBindTexture(GL_TEXTURE_2D, gltext-&gt;ID);                                                               
00955 
00956 
00957                                         <font class="comment">// Change parameters of texture, if necessary.</font>
00958                                         <font class="comment">//============================================</font>
00959                                         <font class="keywordflow">if</font>(gltext-&gt;WrapS!= tex-&gt;getWrapS())
00960                                         {
00961                                                 gltext-&gt;WrapS= tex-&gt;getWrapS();
00962                                                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext-&gt;WrapS, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00963                                         }
00964                                         <font class="keywordflow">if</font>(gltext-&gt;WrapT!= tex-&gt;getWrapT())
00965                                         {
00966                                                 gltext-&gt;WrapT= tex-&gt;getWrapT();
00967                                                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext-&gt;WrapT, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00968                                         }
00969                                         <font class="keywordflow">if</font>(gltext-&gt;MagFilter!= tex-&gt;getMagFilter())
00970                                         {
00971                                                 gltext-&gt;MagFilter= tex-&gt;getMagFilter();
00972                                                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext-&gt;MagFilter));
00973                                         }
00974                                         <font class="keywordflow">if</font>(gltext-&gt;MinFilter!= tex-&gt;getMinFilter())
00975                                         {
00976                                                 gltext-&gt;MinFilter= tex-&gt;getMinFilter();                                 
00977                                                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext-&gt;MinFilter));
00978                                         }
00979                                 }
00980                         }
00981                 }
00982                 <font class="keywordflow">else</font>
00983                 {
00984                         <font class="comment">// Force no texturing for this stage.</font>
00985                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_5">_CurrentTextureInfoGL</a>[stage]= NULL;
00986                         <font class="comment">// setup texture mode, after activeTextureARB()</font>
00987                         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.setTextureMode(CDriverGLStates::TextureDisabled);                                                                       
00988                 }
00989 
00990                 this-&gt;<a class="code" href="classNL3D_1_1CDriverGL.html#z405_4">_CurrentTexture</a>[stage]= tex;      
00991         }       
00992 
00993         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00994 }
00995 
00996 <font class="comment">// ***************************************************************************</font>
<a name="l00997"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c5">00997</a> <font class="keywordtype">void</font>            CDriverGL::forceActivateTexEnvMode(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv  &amp;env)
00998 {
00999         <font class="comment">// This maps the CMaterial::TTexOperator</font>
01000         <font class="keyword">static</font>  <font class="keyword">const</font>   GLenum  operatorLUT[9]= { GL_REPLACE, GL_MODULATE, GL_ADD, GL_ADD_SIGNED_EXT, 
01001                 GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, GL_INTERPOLATE_EXT, <a class="code" href="driver__opengl__extension__def_8h.html#a352">GL_BUMP_ENVMAP_ATI</a> };
01002 
01003         <font class="comment">// This maps the CMaterial::TTexSource</font>
01004         <font class="keyword">static</font>  <font class="keyword">const</font>   GLenum  sourceLUT[4]= { GL_TEXTURE, GL_PREVIOUS_EXT, GL_PRIMARY_COLOR_EXT, GL_CONSTANT_EXT };
01005 
01006         <font class="comment">// This maps the CMaterial::TTexOperand</font>
01007         <font class="keyword">static</font>  <font class="keyword">const</font>   GLenum  operandLUT[4]= { GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA };
01008 
01009         <font class="comment">// This maps the CMaterial::TTexOperator, used for openGL Arg2 setup.</font>
01010         <font class="keyword">static</font>  <font class="keyword">const</font>   GLenum  interpolateSrcLUT[8]= { GL_TEXTURE, GL_TEXTURE, GL_TEXTURE, GL_TEXTURE, 
01011                 GL_TEXTURE, GL_PREVIOUS_EXT, GL_PRIMARY_COLOR_EXT, GL_CONSTANT_EXT };
01012 
01013 
01014 
01015         <font class="comment">// cache mgt.</font>
01016         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].EnvPacked= env.EnvPacked;
01017         <font class="comment">// Disable Special tex env f().</font>
01018         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[stage]= <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u0">TexEnvSpecialDisabled</a>;
01019 
01020 
01021         <font class="comment">// Setup the gl env mode.</font>
01022         <a class="code" href="classNL3D_1_1CDriverGL.html#z405_11">_DriverGLStates</a>.activeTextureARB(stage);
01023         <font class="comment">// "Normal drivers", setup EnvCombine.</font>
01024         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>.EXTTextureEnvCombine)
01025         {
01026                 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
01027 
01028 
01029                 <font class="comment">// RGB.</font>
01030                 <font class="comment">//=====</font>
01031                 <font class="comment">// Operator.</font>
01032                 glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, operatorLUT[env.Env.OpRGB] );
01033                 <font class="comment">// Arg0.</font>
01034                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, sourceLUT[env.Env.SrcArg0RGB] );
01035                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, operandLUT[env.Env.OpArg0RGB]);
01036                 <font class="comment">// Arg1.</font>
01037                 <font class="keywordflow">if</font>(env.Env.OpRGB &gt; CMaterial::Replace)
01038                 {
01039                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, sourceLUT[env.Env.SrcArg1RGB] );
01040                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, operandLUT[env.Env.OpArg1RGB]);
01041                         <font class="comment">// Arg2.</font>
01042                         <font class="keywordflow">if</font>(env.Env.OpRGB &gt;= CMaterial::InterpolateTexture )
01043                         {
01044                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, interpolateSrcLUT[env.Env.OpRGB] );
01045                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_ALPHA);
01046                         }
01047                 }
01048 
01049 
01050                 <font class="comment">// Alpha.</font>
01051                 <font class="comment">//=====</font>
01052                 <font class="comment">// Operator.</font>
01053                 glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, operatorLUT[env.Env.OpAlpha] );
01054                 <font class="comment">// Arg0.</font>
01055                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, sourceLUT[env.Env.SrcArg0Alpha] );
01056                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, operandLUT[env.Env.OpArg0Alpha]);
01057                 <font class="comment">// Arg1.</font>
01058                 <font class="keywordflow">if</font>(env.Env.OpAlpha &gt; CMaterial::Replace)
01059                 {
01060                         glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, sourceLUT[env.Env.SrcArg1Alpha] );
01061                         glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, operandLUT[env.Env.OpArg1Alpha]);
01062                         <font class="comment">// Arg2.</font>
01063                         <font class="keywordflow">if</font>(env.Env.OpAlpha &gt;= CMaterial::InterpolateTexture )
01064                         {
01065                                 glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, interpolateSrcLUT[env.Env.OpAlpha] );
01066                                 glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, GL_SRC_ALPHA);
01067                         }
01068                 }
01069         }
01070         <font class="comment">// Very Bad drivers.</font>
01071         <font class="keywordflow">else</font>
01072         {
01073                 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
01074         }
01075 
01076 }
01077 
01078 
01079 <font class="comment">// ***************************************************************************</font>
<a name="l01080"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c6">01080</a> <font class="keywordtype">void</font>            CDriverGL::activateTexEnvColor(uint stage, <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> col)
01081 {       
01082         <font class="keywordflow">if</font> (col != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].ConstantColor)
01083         {       
01084                 <a class="code" href="classNL3D_1_1CDriverGL.html#c7">forceActivateTexEnvColor</a>(stage, col);   
01085         }
01086 }
01087 
01088 
01089 <font class="comment">// ***************************************************************************</font>
<a name="l01090"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c3">01090</a> <font class="keywordtype">void</font>            CDriverGL::activateTexEnvMode(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv  &amp;env)
01091 {
01092         <font class="comment">// If a special Texture environnement is setuped, or if not the same normal texture environnement,</font>
01093         <font class="comment">// must setup a new normal Texture environnement.</font>
01094         <font class="keywordflow">if</font>( <a class="code" href="classNL3D_1_1CDriverGL.html#z405_7">_CurrentTexEnvSpecial</a>[stage] != <a class="code" href="classNL3D_1_1CDriverGL.html#z405_0u0">TexEnvSpecialDisabled</a> || <a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].EnvPacked!= env.EnvPacked)
01095         { 
01096                 <a class="code" href="classNL3D_1_1CDriverGL.html#c5">forceActivateTexEnvMode</a>(stage, env);
01097         }
01098 }
01099 
01100 
01101 <font class="comment">// ***************************************************************************</font>
<a name="l01102"></a><a class="code" href="classNL3D_1_1CDriverGL.html#c4">01102</a> <font class="keywordtype">void</font>            CDriverGL::activateTexEnvColor(uint stage, <font class="keyword">const</font> CMaterial::CTexEnv  &amp;env)
01103 {
01104         <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CDriverGL.html#z405_6">_CurrentTexEnv</a>[stage].ConstantColor!= env.ConstantColor)
01105         { 
01106                 <a class="code" href="classNL3D_1_1CDriverGL.html#c7">forceActivateTexEnvColor</a>(stage, env);
01107         }
01108 }
01109 
01110 
01111 <font class="comment">// ***************************************************************************</font>
<a name="l01112"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a22">01112</a> <font class="keywordtype">void</font>            CDriverGL::forceDXTCCompression(<font class="keywordtype">bool</font> dxtcComp)
01113 {
01114         <a class="code" href="classNL3D_1_1CDriverGL.html#o27">_ForceDXTCCompression</a>= dxtcComp;
01115 }
01116 
01117 <font class="comment">// ***************************************************************************</font>
<a name="l01118"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a23">01118</a> <font class="keywordtype">void</font>            CDriverGL::forceTextureResize(uint divisor)
01119 {
01120         <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(divisor, 1U, 256U);
01121 
01122         <font class="comment">// 16 -&gt; 4.</font>
01123         <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(divisor);
01124 }
01125 
01126 
01127 <font class="comment">// ***************************************************************************</font>
<a name="l01128"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a87">01128</a> <font class="keywordtype">void</font>            CDriverGL::swapTextureHandle(ITexture &amp;tex0, ITexture &amp;tex1)
01129 {
01130         <font class="comment">// ensure creation of both texture</font>
01131         <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(tex0);
01132         <a class="code" href="classNL3D_1_1CDriverGL.html#a18">setupTexture</a>(tex1);
01133 
01134         <font class="comment">// avoid any problem, disable all textures</font>
01135         <font class="keywordflow">for</font>(sint stage=0; stage&lt;<a class="code" href="classNL3D_1_1CDriverGL.html#c28">inlGetNumTextStages</a>() ; stage++)
01136         {
01137                 <a class="code" href="classNL3D_1_1CDriverGL.html#c2">activateTexture</a>(stage, NULL);
01138         }
01139 
01140         <font class="comment">// get the handle.</font>
01141         <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>      *t0= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex0);
01142         <a class="code" href="classNL3D_1_1CDriverGL.html#l0">CTextureDrvInfosGL</a>      *t1= <a class="code" href="namespaceNL3D.html#a347">getTextureGl</a>(tex1);
01143 
01144         <font class="comment">/* Swap contents. Can't swap directly the pointers cause would have to change all CTextureDrvShare which point on</font>
01145 <font class="comment">                Can't do swap(*t0, *t1), because must keep the correct _DriverIterator</font>
01146 <font class="comment">        */</font>
01147         swap(t0-&gt;ID, t1-&gt;ID);
01148         swap(t0-&gt;Compressed, t1-&gt;Compressed);
01149         swap(t0-&gt;TextureMemory, t1-&gt;TextureMemory);
01150         swap(t0-&gt;WrapS, t1-&gt;WrapS);
01151         swap(t0-&gt;WrapT, t1-&gt;WrapT);
01152         swap(t0-&gt;MagFilter, t1-&gt;MagFilter);
01153         swap(t0-&gt;MinFilter, t1-&gt;MinFilter);
01154 
01155 }
01156 
01157 
01158 } <font class="comment">// NL3D</font>
</pre></div>

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