Shane
128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
--- src/testrender/rapidobj/rapidobj.hpp.orig 2025-12-28 12:45:06 UTC
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+++ src/testrender/rapidobj/rapidobj.hpp
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@@ -61,6 +61,12 @@ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
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#include <sys/stat.h>
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#include <unistd.h>
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+#elif __FreeBSD__
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+
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+#include <fcntl.h>
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+#include <sys/stat.h>
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+#include <unistd.h>
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+
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#endif
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#define RAPIDOBJ_VERSION_MAJOR 1
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@@ -5200,6 +5206,111 @@ struct FileReader : Reader {
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private:
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int m_fd = -1;
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off_t m_offset{};
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+ size_t m_size{};
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+ char* m_buffer{};
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+};
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+
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+#elif __FreeBSD__
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+
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+inline auto AlignedAllocate(size_t size, size_t alignment)
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+{
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+ return static_cast<char*>(aligned_alloc(alignment, size));
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+}
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+
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+struct AlignedDeleter final {
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+ void operator()(void* ptr) const { free(ptr); }
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+};
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+
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+class File final {
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+ public:
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+ File(const std::filesystem::path& filepath)
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+ {
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+ auto filepath_string = filepath.string();
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+
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+ if (-1 == stat(filepath_string.c_str(), &m_info)) {
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+ m_error = std::error_code(errno, std::system_category());
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+ return;
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+ }
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+
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+ m_fd = open(filepath_string.c_str(), O_RDONLY);
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+
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+ if (-1 == m_fd) {
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+ m_error = std::error_code(errno, std::system_category());
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+ }
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+ }
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+ File(const File&) = delete;
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+ File& operator=(const File&) = delete;
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+ File(File&&) = delete;
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+ File& operator=(File&&) = delete;
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+ ~File() noexcept
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+ {
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+ if (m_fd != -1) {
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+ close(m_fd);
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+ }
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+ }
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+
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+ explicit operator bool() const noexcept { return m_fd != -1; }
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+ auto handle() const noexcept { return m_fd; }
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+ auto size() const noexcept { return static_cast<size_t>(m_info.st_size); }
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+ auto error() const noexcept { return m_error; }
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+
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+ private:
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+ int m_fd = -1;
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+ struct stat m_info {};
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+ std::error_code m_error{};
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+};
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+
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+struct FileReader : Reader {
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+ FileReader(const File& file) noexcept : m_fd{ file.handle() } {}
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+
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+ std::error_code ReadBlock(size_t offset, size_t size, char* buffer) override
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+ {
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+ assert(buffer);
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+ assert(m_fd != -1);
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+ assert(std::uintptr_t(buffer) % 4096 == 0);
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+
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+ ++m_num_requests;
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+
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+ auto t1 = std::chrono::steady_clock::now();
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+
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+ m_offset = offset;
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+ m_size = size;
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+ m_buffer = buffer;
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+
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+ posix_fadvise(m_fd, offset, size, POSIX_FADV_WILLNEED);
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+
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+ auto t2 = std::chrono::steady_clock::now();
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+
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+ m_submit_time += t2 - t1;
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+
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+ return {};
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+ }
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+
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+ ReadResult WaitForResult() override
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+ {
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+ auto t1 = std::chrono::steady_clock::now();
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+
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+ auto result = pread(m_fd, m_buffer, m_size, m_offset);
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+
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+ auto t2 = std::chrono::steady_clock::now();
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+
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+ m_wait_time += t2 - t1;
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+
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+ if (result < 0) {
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+ auto error = std::error_code(errno, std::system_category());
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+ return ReadResult{ 0, error };
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+ }
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+
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+ auto bytes_read = static_cast<size_t>(result);
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+
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+ m_bytes_read += bytes_read;
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+
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+ return ReadResult{ bytes_read, std::error_code() };
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+ }
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+
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+ private:
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+ int m_fd = -1;
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+ size_t m_offset{};
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size_t m_size{};
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char* m_buffer{};
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};
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