summaryrefslogtreecommitdiff
path: root/include/GL
diff options
context:
space:
mode:
authorMichel Dänzer <michel@tungstengraphics.com>2007-05-22 14:08:10 +0200
committerMichel Dänzer <michel@tungstengraphics.com>2007-05-22 14:08:10 +0200
commit043d219b6da0636886f739613380cf44e334f268 (patch)
tree447bb718549c356925f0f44b064eb9579a2befc7 /include/GL
parent24d965fab52f790188e5de6e67e7387809b1f145 (diff)
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.
Diffstat (limited to 'include/GL')
-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);
};
/**