64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "COM_MemoryBuffer.h"
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#include "COM_MemoryProxy.h"
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#include "COM_NodeOperation.h"
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namespace blender::compositor {
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class ReadBufferOperation : public NodeOperation {
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private:
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MemoryProxy *memory_proxy_;
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bool single_value_; /* single value stored in buffer, copied from associated write operation */
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unsigned int offset_;
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MemoryBuffer *buffer_;
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public:
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ReadBufferOperation(DataType datatype);
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void set_memory_proxy(MemoryProxy *memory_proxy)
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{
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memory_proxy_ = memory_proxy;
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}
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MemoryProxy *get_memory_proxy() const
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{
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return memory_proxy_;
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}
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void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
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void *initialize_tile_data(rcti *rect) override;
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void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
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void execute_pixel_extend(float output[4],
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float x,
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float y,
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PixelSampler sampler,
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MemoryBufferExtend extend_x,
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MemoryBufferExtend extend_y);
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void execute_pixel_filtered(
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float output[4], float x, float y, float dx[2], float dy[2]) override;
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void set_offset(unsigned int offset)
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{
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offset_ = offset;
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}
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unsigned int get_offset() const
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{
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return offset_;
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}
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bool determine_depending_area_of_interest(rcti *input,
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ReadBufferOperation *read_operation,
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rcti *output) override;
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MemoryBuffer *get_input_memory_buffer(MemoryBuffer **memory_buffers) override
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{
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return memory_buffers[offset_];
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}
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void read_resolution_from_write_buffer();
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void update_memory_buffer();
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};
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} // namespace blender::compositor
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