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webgl: Add feature to store backtraces for each WebGL API call for easier debugging.

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This commit is contained in:
Josh Matthews 2018-08-01 14:50:40 -04:00
parent 515afac456
commit 5dc80dd07a
12 changed files with 82 additions and 16 deletions
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3
components/canvas_traits/Cargo.toml
View file

@ -9,6 +9,9 @@ publish = false
name = "canvas_traits"
path = "lib.rs"
[features]
webgl_backtrace = []
[dependencies]
cssparser = "0.24.0"
euclid = "0.19"

14
components/canvas_traits/webgl.rs
View file

@ -24,6 +24,14 @@ pub use ::webgl_channel::WebGLPipeline;
/// Entry point channel type used for sending WebGLMsg messages to the WebGL renderer.
pub use ::webgl_channel::WebGLChan;
#[derive(Clone, Deserialize, Serialize)]
pub struct WebGLCommandBacktrace {
#[cfg(feature = "webgl_backtrace")]
pub backtrace: String,
#[cfg(feature = "webgl_backtrace")]
pub js_backtrace: Option<String>,
}
/// WebGL Message API
#[derive(Deserialize, Serialize)]
pub enum WebGLMsg {
@ -35,7 +43,7 @@ pub enum WebGLMsg {
/// Drops a WebGLContext.
RemoveContext(WebGLContextId),
/// Runs a WebGLCommand in a specific WebGLContext.
WebGLCommand(WebGLContextId, WebGLCommand),
WebGLCommand(WebGLContextId, WebGLCommand, WebGLCommandBacktrace),
/// Runs a WebVRCommand in a specific WebGLContext.
WebVRCommand(WebGLContextId, WebVRCommand),
/// Locks a specific WebGLContext. Lock messages are used for a correct synchronization
@ -121,8 +129,8 @@ impl WebGLMsgSender {
/// Send a WebGLCommand message
#[inline]
pub fn send(&self, command: WebGLCommand) -> WebGLSendResult {
self.sender.send(WebGLMsg::WebGLCommand(self.ctx_id, command))
pub fn send(&self, command: WebGLCommand, backtrace: WebGLCommandBacktrace) -> WebGLSendResult {
self.sender.send(WebGLMsg::WebGLCommand(self.ctx_id, command, backtrace))
}
/// Send a WebVRCommand message