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-rw-r--r--include/GL/internal/dri_interface.h12
1 files changed, 12 insertions, 0 deletions
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);
};
/**