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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,&<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,&<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>->_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>->_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& tex)
00075 {
00076 CTextureDrvInfosGL* gltex;
00077 gltex= (CTextureDrvInfosGL*)(ITextureDrvInfos*)(tex.TextureDrvShare->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& tex, <font class="keywordtype">bool</font> &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> && 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 &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 &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 &tex, GLint glfmt)
00281 {
00282 <font class="keywordflow">if</font>(glfmt==GL_COMPRESSED_RGB_S3TC_DXT1_EXT && 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 && 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 && 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 && 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& 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& tex, <font class="keywordtype">bool</font> bUpload, <font class="keywordtype">bool</font> &bAllUploaded, <font class="keywordtype">bool</font> bMustRecreateSharedTexture)
00320 {
00321 bAllUploaded = <font class="keyword">false</font>;
00322
00323 <font class="keywordflow">if</font>(tex.isTextureCube() && (!<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()) && (!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<<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<TTexDrvInfoPtrMap>::CAccessor access(&<a class="code" href="classNL3D_1_1IDriver.html#n0">_SyncTexDrvInfos</a>);
00376 TTexDrvInfoPtrMap &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->second= tex.TextureDrvShare->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->DrvTexture= itTex->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->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->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->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->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->TextureMemory;
00458 gltext->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<CTextureCube *>(&tex);
00470 <font class="comment">// Regenerate all the texture.</font>
00471 tex.generate();
00472 <font class="keywordflow">for</font>(uint nText = 0; nText < 6; ++nText)
00473 <font class="keywordflow">if</font>(pTC->getTexture((CTextureCube::TFace)nText) != NULL)
00474 {
00475 ITexture *pTInTC = pTC->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->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 && pTInTC->getPixelFormat()!=CBitmap::RGBA )
00483 pTInTC->convertToType(CBitmap::RGBA);
00484 <font class="keywordflow">if</font>(tex.mipMapOn())
00485 {
00486 pTInTC->buildMipMaps();
00487 nMipMaps= pTInTC->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<nMipMaps;i++)
00494 {
00495 <font class="keywordtype">void</font> *ptr= &(*pTInTC->getPixels(i).begin());
00496 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= pTInTC->getWidth(i);
00497 uint h= pTInTC->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->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()>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->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 && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00527 (tex.mipMapOff() || tex.getMipMapCount()>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>>0 && tex.allowDegradation() && nMipMaps>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<nMipMaps;i++)
00545 {
00546 <font class="keywordtype">void</font> *ptr= &(*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->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 && 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>>0 && tex.allowDegradation())
00577 {
00578 uint <a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>= tex.getWidth(0) >> <a class="code" href="classNL3D_1_1CDriverGL.html#o28">_ForceTextureResizePower</a>;
00579 uint h= tex.getHeight(0) >> <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<nMipMaps;i++)
00595 {
00596 <font class="keywordtype">void</font> *ptr= &(*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->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->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 && !gltext->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()>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 && 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()>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<NLMISC::CRect>::iterator itRect;
00659 <font class="keywordflow">for</font>(itRect=tex._ListInvalidRect.begin(); itRect!=tex._ListInvalidRect.end(); itRect++)
00660 {
00661 CRect &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<nMipMaps;i++)
00669 {
00670 <font class="keywordtype">void</font> *ptr= &(*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->WrapS= tex.getWrapS();
00711 gltext->WrapT= tex.getWrapT();
00712 gltext->MagFilter= tex.getMagFilter();
00713 gltext->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->MagFilter));
00720 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->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->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->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->MagFilter));
00727 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->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& tex, CRect& 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->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<(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->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 && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00788 (tex.mipMapOff() || tex.getMipMapCount()>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 && <a class="code" href="namespaceNL3D.html#a353">sameDXTCFormat</a>(tex, glfmt) &&
00791 (tex.mipMapOff() || tex.getMipMapCount()>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>>0 && tex.allowDegradation() && nUploadMipMaps>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 = &(*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 > 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&3) == 0) && ((y0&3) == 0));
00832 <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a367">w</a>>=4) && (h>=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= &(*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& tex, CRect& 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-><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->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->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->MagFilter!= tex->getMagFilter())
00927 {
00928 gltext->MagFilter= tex->getMagFilter();
00929 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00930 }
00931 <font class="keywordflow">if</font>(gltext->MinFilter!= tex->getMinFilter())
00932 {
00933 gltext->MinFilter= tex->getMinFilter();
00934 glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->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->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->WrapS!= tex->getWrapS())
00960 {
00961 gltext->WrapS= tex->getWrapS();
00962 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapS, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00963 }
00964 <font class="keywordflow">if</font>(gltext->WrapT!= tex->getWrapT())
00965 {
00966 gltext->WrapT= tex->getWrapT();
00967 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, <a class="code" href="namespaceNL3D.html#a350">translateWrapToGl</a>(gltext->WrapT, <a class="code" href="classNL3D_1_1CDriverGL.html#z403_0">_Extensions</a>));
00968 }
00969 <font class="keywordflow">if</font>(gltext->MagFilter!= tex->getMagFilter())
00970 {
00971 gltext->MagFilter= tex->getMagFilter();
00972 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, <a class="code" href="namespaceNL3D.html#a351">translateMagFilterToGl</a>(gltext->MagFilter));
00973 }
00974 <font class="keywordflow">if</font>(gltext->MinFilter!= tex->getMinFilter())
00975 {
00976 gltext->MinFilter= tex->getMinFilter();
00977 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, <a class="code" href="namespaceNL3D.html#a352">translateMinFilterToGl</a>(gltext->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-><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 &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 > 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 >= 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 > 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 >= 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 &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 &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 -> 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 &tex0, ITexture &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<<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->ID, t1->ID);
01148 swap(t0->Compressed, t1->Compressed);
01149 swap(t0->TextureMemory, t1->TextureMemory);
01150 swap(t0->WrapS, t1->WrapS);
01151 swap(t0->WrapT, t1->WrapT);
01152 swap(t0->MagFilter, t1->MagFilter);
01153 swap(t0->MinFilter, t1->MinFilter);
01154
01155 }
01156
01157
01158 } <font class="comment">// NL3D</font>
</pre></div>
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