Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_patches.cc b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_patches.cc
new file mode 100644
index 0000000000..c5a75b09f7
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_patches.cc
@@ -0,0 +1,47 @@
+// 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_patches.h"
+
+namespace jxl {
+namespace {
+class PatchDictionaryStage : public RenderPipelineStage {
+ public:
+  PatchDictionaryStage(const PatchDictionary* patches, size_t num_channels)
+      : RenderPipelineStage(RenderPipelineStage::Settings()),
+        patches_(*patches),
+        num_channels_(num_channels) {}
+
+  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 {
+    JXL_ASSERT(xpos == 0 || xpos >= xextra);
+    size_t x0 = xpos ? xpos - xextra : 0;
+    std::vector<float*> row_ptrs(num_channels_);
+    for (size_t i = 0; i < num_channels_; i++) {
+      row_ptrs[i] = GetInputRow(input_rows, i, 0) + x0 - xpos;
+    }
+    patches_.AddOneRow(row_ptrs.data(), ypos, x0, xsize + xextra + xpos - x0);
+  }
+
+  RenderPipelineChannelMode GetChannelMode(size_t c) const final {
+    return c < num_channels_ ? RenderPipelineChannelMode::kInPlace
+                             : RenderPipelineChannelMode::kIgnored;
+  }
+
+  const char* GetName() const override { return "Patches"; }
+
+ private:
+  const PatchDictionary& patches_;
+  const size_t num_channels_;
+};
+}  // namespace
+
+std::unique_ptr<RenderPipelineStage> GetPatchesStage(
+    const PatchDictionary* patches, size_t num_channels) {
+  return jxl::make_unique<PatchDictionaryStage>(patches, num_channels);
+}
+
+}  // namespace jxl