Re: GL_TEXTURE_COORD_ARRAY on OS X 10.6.8
Posted by Sven Gothel on Feb 08, 2012; 9:19pm
URL: https://forum.jogamp.org/GL-TEXTURE-COORD-ARRAY-on-OS-X-10-6-8-tp3727179p3727610.html
On 02/08/2012 08:32 PM, alterscape [via jogamp] wrote:
>
>
> I'm developing a JOGL application on a Macbook Pro (10.7.3, nVidia GeForce
> 330m). I'm using the OpenGL 2.1 profile. I recently checked out my source
> tree on my other computer, an iMac (10.6.8, ATI Radeon HD 5750). For some
> reason, texture coordinates set via VBO ( GL_TEXTURE_COORD_ARRAY enabled;
> texture coordinate pointer set with glTexCoordPointer) work perfectly on the
> laptop, but not on the desktop. On the desktop, quads are drawn but they are
> solid-colored (presumably the color of whatever pixel is at (0,0) in the
> texture image. Immediate mode works as expected on both platforms.
>
> Any ideas why this might be happening?Maybe you use RECTANGLE extension .. and it's not supported on AMD ?
If so, you can validate whether the RECTANGLE extension is supported by
gl.isExtensionAvailable("GL_ARB_texture_rectangle")
Maybe it's 'only' broken with AMD's GLSL ?
~Sven
URL: https://forum.jogamp.org/GL-TEXTURE-COORD-ARRAY-on-OS-X-10-6-8-tp3727179p3727610.html
On 02/08/2012 08:32 PM, alterscape [via jogamp] wrote:
>
>
> I'm developing a JOGL application on a Macbook Pro (10.7.3, nVidia GeForce
> 330m). I'm using the OpenGL 2.1 profile. I recently checked out my source
> tree on my other computer, an iMac (10.6.8, ATI Radeon HD 5750). For some
> reason, texture coordinates set via VBO ( GL_TEXTURE_COORD_ARRAY enabled;
> texture coordinate pointer set with glTexCoordPointer) work perfectly on the
> laptop, but not on the desktop. On the desktop, quads are drawn but they are
> solid-colored (presumably the color of whatever pixel is at (0,0) in the
> texture image. Immediate mode works as expected on both platforms.
>
> Any ideas why this might be happening?
If so, you can validate whether the RECTANGLE extension is supported by
gl.isExtensionAvailable("GL_ARB_texture_rectangle")
Maybe it's 'only' broken with AMD's GLSL ?
~Sven
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