Fix SkInternalAtlasTextContext to update advance the flush token after issuing each draw.

This was causing SkAtlasTextTarget:flush() calls beyond the first to skip the uploads of glyphs added to the atlas after the first flush().

Change-Id: I291b88d50629e38914d4b6af21fc25d8a41fbd9d
Reviewed-on: https://skia-review.googlesource.com/77584
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/gm/atlastext.cpp b/gm/atlastext.cpp
index 6ee092b49f..832a604e6e 100644
--- a/gm/atlastext.cpp
+++ b/gm/atlastext.cpp
@@ -112,6 +112,11 @@ private:
                         uint32_t color = random.nextU();
                         x = size + draw_string(fTarget.get(), text, x, y, color, typeface, size);
                         x = SkScalarCeilToScalar(x);
+                        // Flush periodically to test continued drawing after a flush. Using color
+                        // to avoid churning the RNG and having to rebaseline images.
+                        if (!(color & 0xf)) {
+                            fTarget->flush();
+                        }
                         if (x + 100 > kSize) {
                             x = 0;
                             y += SkScalarCeilToScalar(size + 3);