On Tue, Feb 16, 2010 at 5:41 PM, Mike Wyatt <[email protected]> wrote:
> I figured it out. Pyglet doesn't restore the texture bound before the
> call to batch.draw(). Also, Lepton doesn't appear to bind texture(s)
> in each draw call.
>
> Saving and restoring the bound texture for each call to Pyglet fixes
> the rendering in my example script:
>
> @win.event
> def on_draw():
> win.clear()
> glLoadIdentity()
>
> if drawSprite:
> previousTexture = GLint()
> glGetIntegerv( GL_TEXTURE_BINDING_2D, previousTexture )
> batch.draw()
> glBindTexture( GL_TEXTURE_2D, previousTexture.value )
> default_system.draw()
>
> Thoughts on a better solution, or would this possibly be a good thing
> to patch into Pyglet and/or Lepton?
Before rendering in lepton the texturizer does this:
glPushAttrib(GL_ENABLE_BIT);
glEnable(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, self->tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, self->tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, self->tex_wrap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, self->tex_wrap);
glBindTexture(GL_TEXTURE_2D, self->texture);
I'll try and figure out why the additional glBindTexture call makes a
difference. Maybe calling it before glTexParameteri is significant.
-Casey
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