Added new _mesa_clip_copytexsubimage() function to do avoid clipping down in the drivers.

This should probably be pulled into main-line Mesa...

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 2a16989fa7..c379d5fa7d 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -225,6 +225,12 @@ _mesa_clip_readpixels(const GLcontext *ctx,
                       struct gl_pixelstore_attrib *pack);
 
 extern GLboolean
+_mesa_clip_copytexsubimage(const GLcontext *ctx,
+                           GLint *destX, GLint *destY,
+                           GLint *srcX, GLint *srcY,
+                           GLsizei *width, GLsizei *height);
+                           
+extern GLboolean
 _mesa_clip_to_region(GLint xmin, GLint ymin,
                      GLint xmax, GLint ymax,
                      GLint *x, GLint *y,