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Merge pull request #500 from tomaka/no-error

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Add support for the EGL_KHR_create_context_no_error extension
This commit is contained in:
tomaka
2015-06-26 11:34:14 +02:00
parent 4349de5541 bff79c02ce
commit 86300dfb79
6 changed files with 70 additions and 24 deletions
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73
src/api/egl/mod.rs
View File

@@ -349,7 +349,7 @@ unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDispl
format!("")
};
let mut context_attributes = vec![];
let mut context_attributes = Vec::with_capacity(10);
let mut flags = 0;
if egl_version >= &(1, 5) ||
@@ -361,30 +361,62 @@ unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDispl
context_attributes.push(ffi::egl::CONTEXT_MINOR_VERSION as i32);
context_attributes.push(version.1 as i32);
if egl_version >= &(1, 5) ||
extensions.contains("EGL_EXT_create_context_robustness ") ||
extensions.ends_with("EGL_EXT_create_context_robustness")
{
match gl_robustness {
Robustness::RobustNoResetNotification | Robustness::TryRobustNoResetNotification => {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY as libc::c_int);
// handling robustness
let supports_robustness = egl_version >= &(1, 5) ||
extensions.contains("EGL_EXT_create_context_robustness ") ||
extensions.ends_with("EGL_EXT_create_context_robustness");
match gl_robustness {
Robustness::NotRobust => (),
Robustness::NoError => {
if extensions.contains("EGL_KHR_create_context_no_error ") ||
extensions.ends_with("EGL_KHR_create_context_no_error")
{
context_attributes.push(ffi::egl::CONTEXT_OPENGL_NO_ERROR_KHR as libc::c_int);
context_attributes.push(1);
}
},
Robustness::RobustNoResetNotification => {
if supports_robustness {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY
as libc::c_int);
context_attributes.push(ffi::egl::NO_RESET_NOTIFICATION as libc::c_int);
flags = flags | ffi::egl::CONTEXT_OPENGL_ROBUST_ACCESS as libc::c_int;
},
Robustness::RobustLoseContextOnReset | Robustness::TryRobustLoseContextOnReset => {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY as libc::c_int);
} else {
return Err(CreationError::NotSupported);
}
},
Robustness::TryRobustNoResetNotification => {
if supports_robustness {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY
as libc::c_int);
context_attributes.push(ffi::egl::NO_RESET_NOTIFICATION as libc::c_int);
flags = flags | ffi::egl::CONTEXT_OPENGL_ROBUST_ACCESS as libc::c_int;
}
},
Robustness::RobustLoseContextOnReset => {
if supports_robustness {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY
as libc::c_int);
context_attributes.push(ffi::egl::LOSE_CONTEXT_ON_RESET as libc::c_int);
flags = flags | ffi::egl::CONTEXT_OPENGL_ROBUST_ACCESS as libc::c_int;
},
Robustness::NotRobust => ()
}
} else {
match gl_robustness {
Robustness::RobustNoResetNotification | Robustness::RobustLoseContextOnReset => {
} else {
return Err(CreationError::NotSupported);
},
_ => ()
}
}
},
Robustness::TryRobustLoseContextOnReset => {
if supports_robustness {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY
as libc::c_int);
context_attributes.push(ffi::egl::LOSE_CONTEXT_ON_RESET as libc::c_int);
flags = flags | ffi::egl::CONTEXT_OPENGL_ROBUST_ACCESS as libc::c_int;
}
},
}
if gl_debug {
@@ -400,6 +432,7 @@ unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDispl
context_attributes.push(flags);
} else if egl_version >= &(1, 3) && api == Api::OpenGlEs {
// robustness is not supported
match gl_robustness {
Robustness::RobustNoResetNotification | Robustness::RobustLoseContextOnReset => {
return Err(CreationError::NotSupported);

3
src/api/glx/mod.rs
View File

@@ -246,7 +246,8 @@ fn create_context(glx: &ffi::glx::Glx, extra_functions: &ffi::glx_extra::Glx, ex
attributes.push(ffi::glx_extra::LOSE_CONTEXT_ON_RESET_ARB as libc::c_int);
flags = flags | ffi::glx_extra::CONTEXT_ROBUST_ACCESS_BIT_ARB as libc::c_int;
},
Robustness::NotRobust => ()
Robustness::NotRobust => (),
Robustness::NoError => (),
}
} else {
match robustness {

3
src/api/wgl/mod.rs
View File

@@ -281,7 +281,8 @@ unsafe fn create_context(extra: Option<(&gl::wgl_extra::Wgl, &BuilderAttribs<'st
attributes.push(gl::wgl_extra::LOSE_CONTEXT_ON_RESET_ARB as libc::c_int);
flags = flags | gl::wgl_extra::CONTEXT_ROBUST_ACCESS_BIT_ARB as libc::c_int;
},
Robustness::NotRobust => ()
Robustness::NotRobust => (),
Robustness::NoError => (),
}
} else {
match builder.gl_robustness {