Thank you very much for this awsome help dude ! Everything works as intended now ! :)
Mr. Johan Johnsson Software Engineer / Computer Game Programmer AutoSim AS, Strandveien 106, 9006 Tromsø Visit us at http://www.autosim.no. -----Opprinnelig melding----- Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] På vegne av J.P. Delport Sendt: 10. april 2008 14:09 Til: OpenSceneGraph Users Emne: Re: [osg-users] Multitexturing using shader Hi, you can supply uniforms to the shaders to point to your bounded textures, e.g. (this is from the osgmultiplerendertargets example in svn) in the shader: uniform sampler2DRect textureID0; uniform sampler2DRect textureID1; uniform sampler2DRect textureID2; uniform sampler2DRect textureID3; void main(void) { gl_FragData[0] = vec4(texture2DRect( textureID0, gl_TexCoord[0].st).rgb,1) + vec4(texture2DRect( textureID1, gl_TexCoord[0].st ).rgb, 1) + vec4(texture2DRect( textureID2, gl_TexCoord[0].st ).rgb, 1) + -0.5*vec4(texture2DRect( textureID3, gl_TexCoord[0].st ).rgb, 1); } in the code: stateset->addUniform(new osg::Uniform("textureID0", 0)); stateset->addUniform(new osg::Uniform("textureID1", 1)); stateset->addUniform(new osg::Uniform("textureID2", 2)); stateset->addUniform(new osg::Uniform("textureID3", 3)); hope it helps. jp Johan Johnsson wrote: > Hi ! > > > > I am developing a shader and need to have acess to the optional textures > which is affected by the coordinates in tgl_TexCoord[1]. > > How do i do this, how do i send the second texture from the ive file > (the shadow map) into the shader, or how do i reach it in the shader if > its passed in automatic? should i set something in the stateset of the > specific node i run the shader on? > > > > Tnx for advices. > > > > > > // shaders without unreleveant code. > > // vertex > > void main() > > { > > gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0; > > gl_TexCoord[1] = gl_TextureMatrix[1] * gl_MultiTexCoord1; > > } > > > > // fragment > > void main() > > { > > vec4 color = texture2D(tex, gl_TexCoord[0].st); > > vec4 map = texture2D(tex1, gl_TexCoord[1].st); > > } > > > ------------------------------------------------------------------------ > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- This message is subject to the CSIR's copyright terms and conditions, e-mail legal notice, and implemented Open Document Format (ODF) standard. The full disclaimer details can be found at http://www.csir.co.za/disclaimer.html. This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks Transtec Computers for their support. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
