Fix accelerated Render transformations.

Previously, we tried to use 2 points instead of 3 to describe the source
rectangles, which mostly just worked for scaling.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/i830.h b/src/i830.h
index d9dae5b7..66cfba1e 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -657,6 +657,10 @@ I830EXAPrepareComposite(int op, PicturePtr pSrcPicture,
 			PicturePtr pMaskPicture, PicturePtr pDstPicture,
 			PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst);
 
+void
+i830_get_transformed_coordinates(int x, int y, PictTransformPtr transform,
+				 float *x_out, float *y_out);
+
 extern const int I830PatternROP[16];
 extern const int I830CopyROP[16];
 #endif