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// 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.
#ifndef LIB_JXL_RENDER_PIPELINE_SIMPLE_RENDER_PIPELINE_H_
#define LIB_JXL_RENDER_PIPELINE_SIMPLE_RENDER_PIPELINE_H_
#include <jxl/memory_manager.h>
#include <cstddef>
#include <utility>
#include <vector>
#include "lib/jxl/base/rect.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/image.h"
#include "lib/jxl/render_pipeline/render_pipeline.h"
namespace jxl {
// A RenderPipeline that is "obviously correct"; it may use potentially large
// amounts of memory and be slow. It is intended to be used mostly for testing
// purposes.
class SimpleRenderPipeline : public RenderPipeline {
std::vector<std::pair<ImageF*, Rect>> PrepareBuffers(
size_t group_id, size_t thread_id) override;
Status ProcessBuffers(size_t group_id, size_t thread_id) override;
Status PrepareForThreadsInternal(size_t num, bool use_group_ids) override;
// Full frame buffers. Both X and Y dimensions are padded by
// kRenderPipelineXOffset.
std::vector<ImageF> channel_data_;
size_t processed_passes_ = 0;
public:
explicit SimpleRenderPipeline(JxlMemoryManager* memory_manager)
: RenderPipeline(memory_manager) {}
private:
Rect MakeChannelRect(size_t group_id, size_t channel);
};
} // namespace jxl
#endif // LIB_JXL_RENDER_PIPELINE_SIMPLE_RENDER_PIPELINE_H_
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