read_spirv_file()

std::vector< uint32_t > MayaFlux::Core::VKShaderModule::read_spirv_file ( const std::string &  filepath )

staticprivate

Read binary file into vector.

Parameters

filepath

Path to file

Returns

File contents, or empty vector on failure

Definition at line 656 of file VKShaderModule.cpp.

{
    std::ifstream file(filepath, std::ios::binary | std::ios::ate);
    if (!file.is_open()) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsBackend,
            "Failed to open SPIR-V file: '{}'", filepath);
        return {};
    }
 
    size_t file_size = static_cast<size_t>(file.tellg());
    if (file_size == 0) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsBackend,
            "SPIR-V file is empty: '{}'", filepath);
        return {};
    }
 
    if (file_size % sizeof(uint32_t) != 0) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsBackend,
            "SPIR-V file size ({} bytes) is not multiple of 4: '{}'",
            file_size, filepath);
        return {};
    }
 
    std::vector<uint32_t> buffer(file_size / sizeof(uint32_t));
    file.seekg(0);
    file.read(reinterpret_cast<char*>(buffer.data()), file_size);
 
    if (!file) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsBackend,
            "Failed to read SPIR-V file: '{}'", filepath);
        return {};
    }
 
    return buffer;
}

References MayaFlux::Journal::Core, MayaFlux::Journal::GraphicsBackend, and MF_ERROR.

Referenced by compile_glsl_to_spirv_external(), and create_from_spirv_file().

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