73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// Copyright (c) OpenMMLab. All rights reserved.
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#include "mat.h"
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namespace mmdeploy {
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Mat::Mat(int h, int w, PixelFormat format, DataType type, Device device, Allocator allocator)
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: format_(format), type_(type), width_(w), height_(h) {
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int bytes_per_pixel = 0;
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switch (format) {
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case PixelFormat::kGRAYSCALE:
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channel_ = 1;
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bytes_per_pixel = 8;
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break;
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case PixelFormat::kNV12: // fall through
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case PixelFormat::kNV21:
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channel_ = 1;
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bytes_per_pixel = 12;
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assert(w % 2 == 0);
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break;
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case PixelFormat::kBGR: // fall through
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case PixelFormat::kRGB:
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channel_ = 3;
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bytes_per_pixel = 24;
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break;
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case PixelFormat::kBGRA:
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channel_ = 4;
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bytes_per_pixel = 32;
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break;
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default:
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throw_exception(eNotSupported);
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}
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size_ = height_ * width_ * channel_;
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bytes_ = height_ * width_ * bytes_per_pixel / 8;
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switch (type) {
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case DataType::kFLOAT:
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bytes_ *= sizeof(float);
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break;
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case DataType::kHALF:
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bytes_ *= 2;
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break;
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case DataType::kINT32:
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bytes_ *= sizeof(int32_t);
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break;
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case DataType::kINT8:
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break;
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default:
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throw_exception(eNotSupported);
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break;
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}
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if (device.platform_id() >= 0 && bytes_ > 0) {
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buf_ = Buffer(device, bytes_, std::move(allocator));
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}
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}
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Mat::Mat(int h, int w, PixelFormat format, DataType type, std::shared_ptr<void> data, Device device)
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: Mat(h, w, format, type, device) {
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buf_ = Buffer(device, bytes_, std::move(data));
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}
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Mat::Mat(int h, int w, PixelFormat format, DataType type, void* data, Device device)
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: Mat(h, w, format, type, device) {
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buf_ = Buffer(device, bytes_, data);
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}
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Device Mat::device() const { return buf_.GetDevice(); }
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Buffer& Mat::buffer() { return buf_; }
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const Buffer& Mat::buffer() const { return buf_; }
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} // namespace mmdeploy
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