From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../lib/jxl/render_pipeline/stage_splines.cc       | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 third_party/jpeg-xl/lib/jxl/render_pipeline/stage_splines.cc

(limited to 'third_party/jpeg-xl/lib/jxl/render_pipeline/stage_splines.cc')

diff --git a/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_splines.cc b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_splines.cc
new file mode 100644
index 0000000000..d97d97e5f2
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_splines.cc
@@ -0,0 +1,63 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "lib/jxl/render_pipeline/stage_splines.h"
+
+#undef HWY_TARGET_INCLUDE
+#define HWY_TARGET_INCLUDE "lib/jxl/render_pipeline/stage_splines.cc"
+#include <hwy/foreach_target.h>
+#include <hwy/highway.h>
+
+HWY_BEFORE_NAMESPACE();
+namespace jxl {
+namespace HWY_NAMESPACE {
+
+class SplineStage : public RenderPipelineStage {
+ public:
+  explicit SplineStage(const Splines* splines)
+      : RenderPipelineStage(RenderPipelineStage::Settings()),
+        splines_(*splines) {}
+
+  void ProcessRow(const RowInfo& input_rows, const RowInfo& output_rows,
+                  size_t xextra, size_t xsize, size_t xpos, size_t ypos,
+                  size_t thread_id) const final {
+    PROFILER_ZONE("RenderSplines");
+    float* row_x = GetInputRow(input_rows, 0, 0);
+    float* row_y = GetInputRow(input_rows, 1, 0);
+    float* row_b = GetInputRow(input_rows, 2, 0);
+    splines_.AddToRow(row_x, row_y, row_b, Rect(xpos, ypos, xsize, 1));
+  }
+
+  RenderPipelineChannelMode GetChannelMode(size_t c) const final {
+    return c < 3 ? RenderPipelineChannelMode::kInPlace
+                 : RenderPipelineChannelMode::kIgnored;
+  }
+
+  const char* GetName() const override { return "Splines"; }
+
+ private:
+  const Splines& splines_;
+};
+
+std::unique_ptr<RenderPipelineStage> GetSplineStage(const Splines* splines) {
+  return jxl::make_unique<SplineStage>(splines);
+}
+
+// NOLINTNEXTLINE(google-readability-namespace-comments)
+}  // namespace HWY_NAMESPACE
+}  // namespace jxl
+HWY_AFTER_NAMESPACE();
+
+#if HWY_ONCE
+namespace jxl {
+
+HWY_EXPORT(GetSplineStage);
+
+std::unique_ptr<RenderPipelineStage> GetSplineStage(const Splines* splines) {
+  return HWY_DYNAMIC_DISPATCH(GetSplineStage)(splines);
+}
+
+}  // namespace jxl
+#endif
-- 
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