I have tried this on XP with the latest driver as well. Still the same . Windows7 and XP (32bit) GeForce GTX 260 failed.
Can someone on Linux or with ATI try this example and report the results? Thanks! Nick http://www.linkedin.com/in/tnick On Sun, Jan 24, 2010 at 4:08 PM, Trajce Nikolov <[email protected]>wrote: > I am on Windows7 32 bit and driver from yesterday. Any idea how to work it > around ? > > Nick > > http://www.linkedin.com/in/tnick > Sent from Istanbul, 34, Turkey > > On Sun, Jan 24, 2010 at 2:01 PM, Wojciech Lewandowski < > [email protected]> wrote: > >> Indeed. Replacing order of sampler lookups ie swapping 2 first lines of >> shader gives different results as well. Looks like a Driver bug... >> I am using Windows 7 64 bit Ge Force driver 191.07. I am curious what will >> happen on ATI or XP drivers. >> >> Wojtek Lewandowski >> >> *From:* Trajce Nikolov <[email protected]> >> *Sent:* Sunday, January 24, 2010 11:39 AM >> *To:* OpenSceneGraph Users <[email protected]> >> *Subject:* Re: [osg-users] glsl mix >> >> Hi Wojtek, >> >> when setting it like this I get the right results. When obtaing the values >> from textures, it doesnt. I saw in the archive someone else had the same >> problem. And I know, it sound odd :). I am using mix in other shaders and >> there it works as well. But not in this case >> >> >> Nick >> >> http://www.linkedin.com/in/tnick >> Sent from Ünalan, İstanbul, Turkey >> >> On Sun, Jan 24, 2010 at 11:42 AM, Wojciech Lewandowski < >> [email protected]> wrote: >> >>> Nick, >>> >>> GLSL mix works on my GF280. And I bet it works right everywhere. I >>> changed your code to >>> >>> " cube_color = vec3( 0,1,1 ); \n" >>> " base_color = vec3( 1,0,0 ); \n" >>> " gl_FragColor = vec4( mix(cube_color, base_color, reflect_factor).rgb, >>> 1.0); \n" >>> >>> and resulting sphere color is light gray as expected. I guess your >>> problem must be somewhere else in your code... >>> >>> Wojtek >>> >>> >>> >>> >>> >>> From: Trajce Nikolov >>> Sent: Saturday, January 23, 2010 11:42 PM >>> To: OpenSceneGraph Users >>> Subject: Re: [osg-users] glsl mix >>> >>> >>> >>> Here is attached code ... Would really appreciate if some take couple of >>> minutes to have a look >>> >>> >>> Thanks a lot >>> Nick >>> >>> http://www.linkedin.com/in/tnick >>> Sent from Devlet, Ankara, Turkey >>> >>> >>> On Sat, Jan 23, 2010 at 11:44 PM, Trajce Nikolov < >>> [email protected]> >>> wrote: >>> >>> I am also getting this warning >>> Warning: detected OpenGL error 'invalid operation' at after >>> RenderBin::draw(..) >>> >>> Nick >>> >>> http://www.linkedin.com/in/tnick >>> Sent from Devlet, Ankara, Turkey >>> >>> >>> On Sat, Jan 23, 2010 at 9:50 PM, Trajce Nikolov < >>> [email protected]> >>> wrote: >>> >>> Hi guys, >>> >>> >>> this might sound stupid but., I am trying to mix two values in the >>> fragment >>> shader. Can not blend them together no mater what. I try "manual" >>> blending, >>> but still the results are as for only 1 and 0 blend factor. NOthing in >>> between, >>> >>> >>> Here is the shader. Any clue? >>> >>> >>> "varying vec4 uv; \n" // >>> "uniform sampler2D colorMap; \n" // >>> "uniform samplerCube cubeMap; \n" // >>> "const float reflect_factor = 0.5; \n" // >>> "void main( void ) \n" // >>> "{ \n" >>> // >>> " vec3 base_color = texture2D(colorMap, gl_TexCoord[0].xy).rgb; \n" // >>> " vec3 cube_color = textureCube(cubeMap, uv.xyz).rgb; \n" // >>> " gl_FragColor = vec4( mix(base_color, cube_color, reflect_factor), 1.0); >>> \n" // >>> "} >>> >>> >>> Nick >>> >>> http://www.linkedin.com/in/tnick >>> Sent from Devlet, Ankara, Turkey >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 >>> >> >> ------------------------------ >> >> _______________________________________________ >> 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 >> >> >
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