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extern crate gfx; extern crate notify; pub mod static_shaders; pub mod dynamic_shaders; #[cfg(not(feature = "dynamic_shaders"))] pub use static_shaders::*; #[cfg(feature = "dynamic_shaders")] pub use dynamic_shaders::*; pub struct ShaderSource { pub source: Option<Vec<u8>>, pub filenames: Option<Vec<String>>, } #[macro_export] #[cfg(not(feature = "dynamic_shaders"))] macro_rules! shader_source { ($directory:expr, $( $filename:expr ),+ ) => { $crate::ShaderSource{ source: Some({ let mut tmp_vec = Vec::new(); $( tmp_vec.extend_from_slice( include_bytes!(concat!($directory, "/", $filename))); )* tmp_vec }), filenames: None, } }; } #[macro_export] #[cfg(feature = "dynamic_shaders")] macro_rules! shader_source { ($directory:expr, $( $filename:expr ),+ ) => { $crate::ShaderSource { source: None, filenames: Some({ let mut tmp_vec = Vec::new(); $( tmp_vec.push($filename.to_string()); )* tmp_vec }), } }; } fn print_shader_error(error: &gfx::shade::core::CreateShaderError) { use gfx::shade::core::CreateShaderError::*; match *error { ModelNotSupported => eprintln!("Attempted to use unsupported shader model"), StageNotSupported(ref stage) => eprintln!("Shader stage '{:?}' not supported", stage), CompilationFailed(ref msg) => eprintln!("Shader complilation failed: \n{}", msg), } } fn create_vertex_shader<R: gfx::Resources, F: gfx::Factory<R>>( factory: &mut F, source: &[u8], ) -> Result<gfx::VertexShader<R>, gfx::shade::core::CreateShaderError> { match factory.create_shader_vertex(source) { Ok(shader) => Ok(shader), Err(error) => { print_shader_error(&error); Err(error) } } } fn create_pixel_shader<R: gfx::Resources, F: gfx::Factory<R>>( factory: &mut F, source: &[u8], ) -> Result<gfx::PixelShader<R>, gfx::shade::core::CreateShaderError> { match factory.create_shader_pixel(source) { Ok(shader) => Ok(shader), Err(error) => { print_shader_error(&error); Err(error) } } }