From 043d219b6da0636886f739613380cf44e334f268 Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Tue, 22 May 2007 14:08:10 +0200 Subject: Add interfaces for overriding texture images with driver specific 'offsets'. To be used by AIGLX for GLX_EXT_texture_from_pixmap without several additional data copies. --- include/GL/internal/dri_interface.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include') diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index a3de2c6aab..8d24e311f8 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -361,6 +361,18 @@ struct __DRIscreenRec { void * (*createNewContext)(__DRInativeDisplay *dpy, const __GLcontextModes *modes, int render_type, void *sharedPrivate, __DRIcontext *pctx); + + /** + * Method to override base texture image with a driver specific 'offset'. + * The depth passed in allows e.g. to ignore the alpha channel of texture + * images where the non-alpha components don't occupy a whole texel. + * + * For GLX_EXT_texture_from_pixmap with AIGLX. + * + * \since Internal API version 20070121. + */ + void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch); }; /** -- cgit v1.2.3