[render] Split out filter finding from filter setting.

To prepare for RandR using filters in transforms, split out
code paths so that the RandR code can validate the filter name and
parameters during the transform set operation so that use of the filter
later will not have unreportable errors.

1 files changed, 7 insertions, 2 deletions

diff --git a/render/picturestr.h b/render/picturestr.h
index 93d86bd47..8a926ce90 100644
--- a/render/picturestr.h
+++ b/render/picturestr.h
@@ -184,7 +184,7 @@ typedef struct _Picture {
     SourcePictPtr   pSourcePict;
 } PictureRec;
 
-typedef Bool (*PictFilterValidateParamsProcPtr) (PicturePtr pPicture, int id,
+typedef Bool (*PictFilterValidateParamsProcPtr) (ScreenPtr pScreen, int id,
 						 xFixed *params, int nparams);
 typedef struct {
     char			    *name;
@@ -473,7 +473,12 @@ PictFilterPtr
 PictureFindFilter (ScreenPtr pScreen, char *name, int len);
 
 int
-SetPictureFilter (PicturePtr pPicture, char *name, int len, xFixed *params, int nparams);
+SetPicturePictFilter (PicturePtr pPicture, PictFilterPtr pFilter,
+		      xFixed *params, int nparams);
+
+int
+SetPictureFilter (PicturePtr pPicture, char *name, int len,
+		  xFixed *params, int nparams);
 
 Bool
 PictureFinishInit (void);