(
options: &Options,
device: &wgpu::Device,
pipeline_layout: &wgpu::PipelineLayout,
surface_format: wgpu::TextureFormat,
compiled_shader_modules: CompiledShaderModules,
)
| 331 | } |
| 332 | |
| 333 | fn create_pipeline( |
| 334 | options: &Options, |
| 335 | device: &wgpu::Device, |
| 336 | pipeline_layout: &wgpu::PipelineLayout, |
| 337 | surface_format: wgpu::TextureFormat, |
| 338 | compiled_shader_modules: CompiledShaderModules, |
| 339 | ) -> wgpu::RenderPipeline { |
| 340 | // FIXME(eddyb) automate this decision by default. |
| 341 | let create_module = |module| { |
| 342 | if options.force_spirv_passthru { |
| 343 | unsafe { device.create_shader_module_spirv(&module) } |
| 344 | } else { |
| 345 | let wgpu::ShaderModuleDescriptorSpirV { label, source } = module; |
| 346 | device.create_shader_module(wgpu::ShaderModuleDescriptor { |
| 347 | label, |
| 348 | source: wgpu::ShaderSource::SpirV(source), |
| 349 | }) |
| 350 | } |
| 351 | }; |
| 352 | |
| 353 | let vs_entry_point = shaders::main_vs; |
| 354 | let fs_entry_point = shaders::main_fs; |
| 355 | |
| 356 | let vs_module_descr = compiled_shader_modules.spv_module_for_entry_point(vs_entry_point); |
| 357 | let fs_module_descr = compiled_shader_modules.spv_module_for_entry_point(fs_entry_point); |
| 358 | |
| 359 | // HACK(eddyb) avoid calling `device.create_shader_module` twice unnecessarily. |
| 360 | let vs_fs_same_module = std::ptr::eq(&vs_module_descr.source[..], &fs_module_descr.source[..]); |
| 361 | |
| 362 | let vs_module = &create_module(vs_module_descr); |
| 363 | let fs_module; |
| 364 | let fs_module = if vs_fs_same_module { |
| 365 | vs_module |
| 366 | } else { |
| 367 | fs_module = create_module(fs_module_descr); |
| 368 | &fs_module |
| 369 | }; |
| 370 | |
| 371 | device.create_render_pipeline(&wgpu::RenderPipelineDescriptor { |
| 372 | label: None, |
| 373 | layout: Some(pipeline_layout), |
| 374 | vertex: wgpu::VertexState { |
| 375 | module: vs_module, |
| 376 | entry_point: vs_entry_point, |
| 377 | buffers: &[], |
| 378 | }, |
| 379 | primitive: wgpu::PrimitiveState { |
| 380 | topology: wgpu::PrimitiveTopology::TriangleList, |
| 381 | strip_index_format: None, |
| 382 | front_face: wgpu::FrontFace::Ccw, |
| 383 | cull_mode: None, |
| 384 | unclipped_depth: false, |
| 385 | polygon_mode: wgpu::PolygonMode::Fill, |
| 386 | conservative: false, |
| 387 | }, |
| 388 | depth_stencil: None, |
| 389 | multisample: wgpu::MultisampleState { |
| 390 | count: 1, |
no test coverage detected