citra/src/core/dumping/backend.cpp
zhupengfei 3f64aaabbd
core: Add video dumper interface
The VideoFrame is rotated while copying, to put the pixels in their correct positions (OpenGL seems to return the image in reverted order by default)
2019-08-13 19:28:02 +08:00

26 lines
884 B
C++

// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "core/dumping/backend.h"
namespace VideoDumper {
VideoFrame::VideoFrame(std::size_t width_, std::size_t height_, u8* data_)
: width(width_), height(height_), stride(width * 4), data(width * height * 4) {
// While copying, rotate the image to put the pixels in correct order
// (As OpenGL returns pixel data starting from the lowest position)
for (std::size_t i = 0; i < height; i++) {
for (std::size_t j = 0; j < width; j++) {
for (std::size_t k = 0; k < 4; k++) {
data[i * stride + j * 4 + k] = data_[(height - i - 1) * stride + j * 4 + k];
}
}
}
}
Backend::~Backend() = default;
NullBackend::~NullBackend() = default;
} // namespace VideoDumper