Method ShaderModule

framework/core/shader_module.cpp:27–52

namespace vkb
{
ShaderModule::ShaderModule(vkb::core::DeviceC   &device,
                           VkShaderStageFlagBits stage,
                           const ShaderSource   &shader_source,
                           const std::string    &entry_point,
                           const ShaderVariant  &shader_variant) :
    device{device}, stage{stage}, entry_point{entry_point}
{
	debug_name = fmt::format("{} [variant {:X}] [entrypoint {}]", shader_source.get_filename(), shader_variant.get_id(), entry_point);

	// Shaders in binary SPIR-V format can be loaded directly
	spirv = vkb::fs::read_shader_binary_u32(shader_source.get_filename());

	// Reflection is used to dynamically create descriptor bindings

	SPIRVReflection spirv_reflection;
	// Reflect all shader resources
	if (!spirv_reflection.reflect_shader_resources(stage, spirv, resources, shader_variant))
	{
		throw VulkanException{VK_ERROR_INITIALIZATION_FAILED};
	}

	// Generate a unique id, determined by source and variant
	std::hash<std::string> hasher{};
	id = hasher(std::string{reinterpret_cast<const char *>(spirv.data()),
	                        reinterpret_cast<const char *>(spirv.data() + spirv.size())});
}

ShaderModule::ShaderModule(ShaderModule &&other) :
    device{other.device},