6f10e2e725
* Improve glow error reporting * Add more check_for_gl_error calls * Remove clippy lint list from egui_glow lib.rs - Forgotten in https://github.com/emilk/egui/pull/1394 * egui_glow: move vao code to own file * Cleanup: `use glow::HasContext as _;` Co-authored-by: Zachary Kohnen <me@dusterthefirst.com>
87 lines
2.8 KiB
Rust
87 lines
2.8 KiB
Rust
//! [`egui`] bindings for [`glow`](https://github.com/grovesNL/glow).
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//!
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//! The main type you want to use is [`EguiGlow`].
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//!
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//! This library is an [`epi`] backend.
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//! If you are writing an app, you may want to look at [`eframe`](https://docs.rs/eframe) instead.
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#![allow(clippy::float_cmp)]
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#![allow(clippy::manual_range_contains)]
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pub mod painter;
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pub use glow;
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pub use painter::Painter;
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mod misc_util;
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mod post_process;
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mod shader_version;
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mod vao;
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#[cfg(all(not(target_arch = "wasm32"), feature = "winit"))]
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pub mod winit;
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#[cfg(all(not(target_arch = "wasm32"), feature = "winit"))]
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pub use winit::*;
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#[cfg(all(not(target_arch = "wasm32"), feature = "winit"))]
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mod epi_backend;
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#[cfg(all(not(target_arch = "wasm32"), feature = "winit"))]
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pub use epi_backend::{run, NativeOptions};
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/// Check for OpenGL error and report it using `tracing::error`.
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///
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/// ``` no_run
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/// # let glow_context = todo!();
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/// use egui_glow::check_for_gl_error;
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/// check_for_gl_error!(glow_context);
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/// check_for_gl_error!(glow_context, "during painting");
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/// ```
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#[macro_export]
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macro_rules! check_for_gl_error {
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($gl: expr) => {{
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$crate::check_for_gl_error_impl($gl, file!(), line!(), "")
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}};
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($gl: expr, $context: literal) => {{
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$crate::check_for_gl_error_impl($gl, file!(), line!(), $context)
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}};
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}
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#[doc(hidden)]
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pub fn check_for_gl_error_impl(gl: &glow::Context, file: &str, line: u32, context: &str) {
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use glow::HasContext as _;
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#[allow(unsafe_code)]
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let error_code = unsafe { gl.get_error() };
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if error_code != glow::NO_ERROR {
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let error_str = match error_code {
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glow::INVALID_ENUM => "GL_INVALID_ENUM",
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glow::INVALID_VALUE => "GL_INVALID_VALUE",
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glow::INVALID_OPERATION => "GL_INVALID_OPERATION",
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glow::STACK_OVERFLOW => "GL_STACK_OVERFLOW",
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glow::STACK_UNDERFLOW => "GL_STACK_UNDERFLOW",
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glow::OUT_OF_MEMORY => "GL_OUT_OF_MEMORY",
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glow::INVALID_FRAMEBUFFER_OPERATION => "GL_INVALID_FRAMEBUFFER_OPERATION",
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glow::CONTEXT_LOST => "GL_CONTEXT_LOST",
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0x8031 => "GL_TABLE_TOO_LARGE1",
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0x9242 => "CONTEXT_LOST_WEBGL",
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_ => "<unknown>",
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};
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if context.is_empty() {
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tracing::error!(
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"GL error, at {}:{}: {} (0x{:X}). Please file a bug at https://github.com/emilk/egui/issues",
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file,
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line,
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error_str,
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error_code,
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);
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} else {
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tracing::error!(
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"GL error, at {}:{} ({}): {} (0x{:X}). Please file a bug at https://github.com/emilk/egui/issues",
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file,
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line,
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context,
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error_str,
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error_code,
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);
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}
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}
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}
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