Add xybitmap putimage tests

Signed-off-by: Keith Packard <keithp@keithp.com>
Part-of: <https://gitlab.freedesktop.org/xorg/test/x11perf/-/merge_requests/1>

1 files changed, 28 insertions, 2 deletions

diff --git a/do_blt.c b/do_blt.c
index 536bd64..ba0c7c7 100644
--- a/do_blt.c
+++ b/do_blt.c
@@ -215,11 +215,37 @@ InitImage(XParms xp, Parms p, int64_t reps, long pm)
 
     /* Create image to stuff bits into */
     image = XGetImage(xp->d, xp->w, 0, 0, WIDTH, HEIGHT, pm,
-		      p->font==NULL?ZPixmap:XYPixmap);
+		      p->font==NULL ? ZPixmap : (strcmp(p->font, "XY") == 0? XYPixmap : ZPixmap));
     if(image==NULL){
 	printf("XGetImage failed\n");
 	return False;
     }
+    if (p->font && !strcmp(p->font, "XYBitmap")) {
+	    int		bytes_per_line = (WIDTH + 31) / 8;
+	    char	*data = malloc (bytes_per_line * HEIGHT);
+	    XImage	*new = XCreateImage(xp->d, xp->vinfo.visual, 1, XYBitmap, 0,
+					    data, WIDTH, HEIGHT, 32, bytes_per_line);
+	    int		x, y;
+	    unsigned long	zero_pixel;
+	    int		has_zero = 0;
+
+	    for (y = 0; y < HEIGHT; y++)
+		    for (x = 0; x < WIDTH; x++) {
+			    unsigned long src_pixel = XGetPixel(image, x, y);
+			    unsigned long dst_pixel = 0;
+			    if (!has_zero) {
+				    zero_pixel = src_pixel;
+				    has_zero = 1;
+			    }
+			    if (src_pixel == zero_pixel)
+				    dst_pixel = 0;
+			    else
+				    dst_pixel = 1;
+			    XPutPixel(new, x, y, dst_pixel);
+		    }
+	    XDestroyImage(image);
+	    image = new;
+    }
     return reps;
 }
 
@@ -394,7 +420,7 @@ InitShmImage(XParms xp, Parms p, int64_t reps, Bool read_only)
     shm_image = *image;
     image_size = image->bytes_per_line * image->height;
     /* allow XYPixmap choice: */
-    if(p->font)image_size *= xp->vinfo.depth;
+    if(p->font && strcmp(p->font, "XYBitmap") != 0) image_size *= xp->vinfo.depth;
     shm_info.shmid = shmget(IPC_PRIVATE, image_size, IPC_CREAT|0777);
     if (shm_info.shmid < 0)
     {