Move DRI2's local fixup_glamor helper to radeon_glamor_set_pixmap_bo

So it can be used outside of the DRI2 code.

(Ported from amdgpu commit 5518bf5d793439b5bab369e5fc18de9a4a3b9dd6)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(Cherry picked from commit b3e5259e60157fdbdf46ee59b1b78995c2b15f72)

3 files changed, 53 insertions, 56 deletions

diff --git a/src/radeon_dri2.c b/src/radeon_dri2.c
index dc195eff..bb8d1f8e 100644
--- a/src/radeon_dri2.c
+++ b/src/radeon_dri2.c
@@ -78,60 +78,6 @@ static DevPrivateKeyRec dri2_window_private_key_rec;
      dixLookupPrivate(&(window)->devPrivates, dri2_window_private_key))
 
 
-static PixmapPtr fixup_glamor(DrawablePtr drawable, PixmapPtr pixmap)
-{
-	PixmapPtr old = get_drawable_pixmap(drawable);
-#ifdef USE_GLAMOR
-	ScreenPtr screen = drawable->pScreen;
-	struct radeon_pixmap *priv = radeon_get_pixmap_private(pixmap);
-	GCPtr gc;
-
-	/* With a glamor pixmap, 2D pixmaps are created in texture
-	 * and without a static BO attached to it. To support DRI,
-	 * we need to create a new textured-drm pixmap and
-	 * need to copy the original content to this new textured-drm
-	 * pixmap, and then convert the old pixmap to a coherent
-	 * textured-drm pixmap which has a valid BO attached to it
-	 * and also has a valid texture, thus both glamor and DRI2
-	 * can access it.
-	 *
-	 */
-
-	/* Copy the current contents of the pixmap to the bo. */
-	gc = GetScratchGC(drawable->depth, screen);
-	if (gc) {
-		ValidateGC(&pixmap->drawable, gc);
-		gc->ops->CopyArea(&old->drawable, &pixmap->drawable,
-				  gc,
-				  0, 0,
-				  old->drawable.width,
-				  old->drawable.height,
-				  0, 0);
-		FreeScratchGC(gc);
-	}
-
-	radeon_set_pixmap_private(pixmap, NULL);
-
-	/* And redirect the pixmap to the new bo (for 3D). */
-	glamor_egl_exchange_buffers(old, pixmap);
-	radeon_set_pixmap_private(old, priv);
-	old->refcnt++;
-
-	screen->ModifyPixmapHeader(old,
-				   old->drawable.width,
-				   old->drawable.height,
-				   0, 0,
-				   pixmap->devKind,
-				   NULL);
-	old->devPrivate.ptr = NULL;
-
-	screen->DestroyPixmap(pixmap);
-
-#endif /* USE_GLAMOR*/
-
-	return old;
-}
-
 /* Get GEM flink name for a pixmap */
 static Bool
 radeon_get_flink_name(RADEONInfoPtr info, PixmapPtr pixmap, uint32_t *name)
@@ -301,10 +247,11 @@ radeon_dri2_create_buffer2(ScreenPtr pScreen,
 		/* this happen if pixmap is non accelerable */
 		goto error;
 	    }
+	} else if (is_glamor_pixmap) {
+	    pixmap = radeon_glamor_set_pixmap_bo(drawable, pixmap);
+	    pixmap->refcnt++;
 	}
 
-	if (is_glamor_pixmap)
-	    pixmap = fixup_glamor(drawable, pixmap);
 	if (!radeon_get_flink_name(info, pixmap, &buffers->name))
 	    goto error;
     }
diff --git a/src/radeon_glamor.c b/src/radeon_glamor.c
index 5c4191b5..f46e8bad 100644
--- a/src/radeon_glamor.c
+++ b/src/radeon_glamor.c
@@ -283,6 +283,54 @@ fallback_pixmap:
 		return fbCreatePixmap(screen, w, h, depth, usage);
 }
 
+PixmapPtr
+radeon_glamor_set_pixmap_bo(DrawablePtr drawable, PixmapPtr pixmap)
+{
+	PixmapPtr old = get_drawable_pixmap(drawable);
+	ScreenPtr screen = drawable->pScreen;
+	struct radeon_pixmap *priv = radeon_get_pixmap_private(pixmap);
+	GCPtr gc;
+
+	/* With a glamor pixmap, 2D pixmaps are created in texture
+	 * and without a static BO attached to it. To support DRI,
+	 * we need to create a new textured-drm pixmap and
+	 * need to copy the original content to this new textured-drm
+	 * pixmap, and then convert the old pixmap to a coherent
+	 * textured-drm pixmap which has a valid BO attached to it
+	 * and also has a valid texture, thus both glamor and DRI2
+	 * can access it.
+	 *
+	 */
+
+	/* Copy the current contents of the pixmap to the bo. */
+	gc = GetScratchGC(drawable->depth, screen);
+	if (gc) {
+		ValidateGC(&pixmap->drawable, gc);
+		gc->ops->CopyArea(&old->drawable, &pixmap->drawable,
+				  gc,
+				  0, 0,
+				  old->drawable.width,
+				  old->drawable.height, 0, 0);
+		FreeScratchGC(gc);
+	}
+
+	radeon_set_pixmap_private(pixmap, NULL);
+
+	/* And redirect the pixmap to the new bo (for 3D). */
+	glamor_egl_exchange_buffers(old, pixmap);
+	radeon_set_pixmap_private(old, priv);
+
+	screen->ModifyPixmapHeader(old,
+				   old->drawable.width,
+				   old->drawable.height,
+				   0, 0, pixmap->devKind, NULL);
+	old->devPrivate.ptr = NULL;
+
+	screen->DestroyPixmap(pixmap);
+
+	return old;
+}
+
 #ifdef RADEON_PIXMAP_SHARING
 
 static Bool
diff --git a/src/radeon_glamor.h b/src/radeon_glamor.h
index 75129f8c..fdc4e577 100644
--- a/src/radeon_glamor.h
+++ b/src/radeon_glamor.h
@@ -71,6 +71,7 @@ void radeon_glamor_free_screen(int scrnIndex, int flags);
 
 Bool radeon_glamor_create_textured_pixmap(PixmapPtr pixmap, struct radeon_pixmap *priv);
 void radeon_glamor_exchange_buffers(PixmapPtr src, PixmapPtr dst);
+PixmapPtr radeon_glamor_set_pixmap_bo(DrawablePtr drawable, PixmapPtr pixmap);
 
 XF86VideoAdaptorPtr radeon_glamor_xv_init(ScreenPtr pScreen, int num_adapt);
 
@@ -85,6 +86,7 @@ static inline void radeon_glamor_free_screen(int scrnIndex, int flags) { }
 static inline Bool radeon_glamor_create_textured_pixmap(PixmapPtr pixmap, struct radeon_pixmap *priv) { return TRUE; }
 
 static inline void radeon_glamor_exchange_buffers(PixmapPtr src, PixmapPtr dst) {}
+static inline PixmapPtr radeon_glamor_set_pixmap_bo(DrawablePtr drawable, PixmapPtr pixmap) { return pixmap; }
 
 static inline struct radeon_pixmap *radeon_get_pixmap_private(PixmapPtr pixmap) { return NULL; }