#ifdef USING_SLANG
#include <shader/slang.hh>
#include <util/file.hh>

Shaders::Shaders(vk::Device *device) : m_Device(device) {
  auto shader = readFile("slang.spv");

  vk::ShaderModuleCreateInfo info = {};
  info.codeSize = shader.size();
  info.pCode = reinterpret_cast<const uint32_t *>(shader.data());
  m_ShaderModule = m_Device->createShaderModule(info);

  vk::PipelineShaderStageCreateInfo vertShaderStageInfo = {};
  vertShaderStageInfo.stage = vk::ShaderStageFlagBits::eVertex;
  vertShaderStageInfo.module = m_ShaderModule;
  vertShaderStageInfo.pName = "vertMain";

  vk::PipelineShaderStageCreateInfo fragShaderStageInfo = {};
  fragShaderStageInfo.stage = vk::ShaderStageFlagBits::eFragment;
  fragShaderStageInfo.module = m_ShaderModule;
  fragShaderStageInfo.pName = "fragMain";

  m_ShaderStages.emplace_back(vertShaderStageInfo);
  m_ShaderStages.emplace_back(fragShaderStageInfo);

  m_BindingDescription = Vertex::getBindingDescription();
  m_AttributeDescriptions = Vertex::getAttributeDescriptions();

  m_VertInput.vertexBindingDescriptionCount = 1;
  m_VertInput.pVertexBindingDescriptions = &m_BindingDescription;
  m_VertInput.vertexAttributeDescriptionCount = static_cast<uint32_t>(m_AttributeDescriptions.size());
  m_VertInput.pVertexAttributeDescriptions = m_AttributeDescriptions.data();
}

void Shaders::Finalize() {
  if (m_ShaderModule) m_Device->destroyShaderModule(m_ShaderModule);
}
#endif // USING_SLANG