In gles 2.0 shaders dont have builtins like gl_MultiTexCoord gl_Color gl_FrontColor\gl_BackColor gl_TexCoord gl_FragColor etc, and ftransform too. Check gles 2.0 spec. Use your own varyings and attributes, use your own output from fragment shader(and dont forget to bind stuff in osg::Program).
Cheers. 07.08.2012, 19:20, "John Moore" <[email protected]>: > In this way it's using another shader that I did not write by myself and this > shader is giving errors. > > Code: > > State::convertShaderSourceToOsgBuiltIns() > ++Before Converted source > > void main() > { > gl_Position = ftransform(); > gl_TexCoord[0] = gl_MultiTexCoord0; > gl_FrontColor = gl_Color; > } > > ++++++++ > -------- Converted source > uniform mat4 osg_ModelViewProjectionMatrix; > attribute vec4 osg_MultiTexCoord0; > attribute vec4 osg_Color; > attribute vec4 osg_Vertex; > > void main() > { > gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex; > gl_TexCoord[0] = osg_MultiTexCoord0; > gl_FrontColor = osg_Color; > } > > ---------------- > > Compiling VERTEX source: > 1: uniform mat4 osg_ModelViewProjectionMatrix; > 2: attribute vec4 osg_MultiTexCoord0; > 3: attribute vec4 osg_Color; > 4: attribute vec4 osg_Vertex; > 5: > 6: void main() > 7: { > 8: gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex; > 9: gl_TexCoord[0] = osg_MultiTexCoord0; > 10: gl_FrontColor = osg_Color; > 11: } > > VERTEX glCompileShader "" FAILED > VERTEX Shader "" infolog: > ERROR: 0:9: Use of undeclared identifier 'gl_TexCoord' > ERROR: 0:10: Use of undeclared identifier 'gl_FrontColor' > > Compiling FRAGMENT source: > 1: uniform sampler2D diffuseMap; > 2: > 3: void main() > 4: { > 5: vec4 base = texture2D(diffuseMap, gl_TexCoord[0].st); > 6: vec4 color = base; > 7: color *= gl_Color; > 8: gl_FragColor = color; > 9: } > > FRAGMENT glCompileShader "" FAILED > FRAGMENT Shader "" infolog: > ERROR: 0:5: Use of undeclared identifier 'gl_TexCoord' > ERROR: 0:6: Use of undeclared identifier 'base' > ERROR: 0:7: Use of undeclared identifier 'color' > ERROR: 0:7: Use of undeclared identifier 'gl_Color' > ERROR: 0:8: Use of undeclared identifier 'color' > > Linking osg::Program "" id=9 contextID=1 > State's vertex attrib binding 2, osg_Color > State's vertex attrib binding 7, osg_FogCoord > State's vertex attrib binding 3, osg_MultiTexCoord0 > State's vertex attrib binding 4, osg_MultiTexCoord1 > State's vertex attrib binding 5, osg_MultiTexCoord2 > State's vertex attrib binding 6, osg_MultiTexCoord3 > State's vertex attrib binding 7, osg_MultiTexCoord4 > State's vertex attrib binding 1, osg_Normal > State's vertex attrib binding 6, osg_SecondaryColor > State's vertex attrib binding 0, osg_Vertex > glLinkProgram "" FAILED > Program "" infolog: > ERROR: One or more attached shaders not successfully compiled > > I think this is something built in in open scene graph. > Ho can I use only my shader? > > Cheers, > John > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=49193#49193 > > _______________________________________________ > 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
