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23 lines
570 B
C++
23 lines
570 B
C++
#pragma once
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#include "buffer.h"
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#include "fence.h"
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#include <optional>
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namespace gl {
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class pbo : public buffer
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{
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std::optional<fence> sync;
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int size = 0;
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bool data_ready;
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public:
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void request_read(int x, int y, int lx, int ly, int pixsize = 4, GLenum format = GL_RGBA, GLenum type = GL_UNSIGNED_BYTE);
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bool read_data(int lx, int ly, void *data, int pixsize = 4);
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bool is_busy();
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void* map(GLuint mode, targets target = PIXEL_UNPACK_BUFFER);
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void unmap(targets target = PIXEL_UNPACK_BUFFER);
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};
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}
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