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Add with_robustness and handle robustness on all implementations

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This commit is contained in:
Pierre Krieger 2015-06-22 17:58:32 +02:00
parent 1aedc828c5
commit dbaca24cde
9 changed files with 216 additions and 36 deletions
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62
src/api/egl/mod.rs
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@ -7,6 +7,7 @@ use CreationError;
use GlContext;
use GlRequest;
use PixelFormat;
use Robustness;
use Api;
use libc;
@ -116,15 +117,16 @@ impl Context {
let context = unsafe {
if let Some(version) = version {
try!(create_context(&egl, display, &egl_version, api, version, config_id,
builder.gl_debug).map_err(|_| CreationError::NotSupported))
builder.gl_debug, builder.gl_robustness))
} else if api == Api::OpenGlEs {
if let Ok(ctxt) = create_context(&egl, display, &egl_version, api, (2, 0),
config_id, builder.gl_debug)
config_id, builder.gl_debug, builder.gl_robustness)
{
ctxt
} else if let Ok(ctxt) = create_context(&egl, display, &egl_version, api, (1, 0),
config_id, builder.gl_debug)
config_id, builder.gl_debug,
builder.gl_robustness)
{
ctxt
} else {
@ -133,15 +135,17 @@ impl Context {
} else {
if let Ok(ctxt) = create_context(&egl, display, &egl_version, api, (3, 2),
config_id, builder.gl_debug)
config_id, builder.gl_debug, builder.gl_robustness)
{
ctxt
} else if let Ok(ctxt) = create_context(&egl, display, &egl_version, api, (3, 1),
config_id, builder.gl_debug)
config_id, builder.gl_debug,
builder.gl_robustness)
{
ctxt
} else if let Ok(ctxt) = create_context(&egl, display, &egl_version, api, (1, 0),
config_id, builder.gl_debug)
config_id, builder.gl_debug,
builder.gl_robustness)
{
ctxt
} else {
@ -335,8 +339,8 @@ unsafe fn enumerate_configs(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDi
unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDisplay,
egl_version: &(ffi::egl::types::EGLint, ffi::egl::types::EGLint),
api: Api, version: (u8, u8), config_id: ffi::egl::types::EGLConfig,
gl_debug: bool)
-> Result<ffi::egl::types::EGLContext, ()>
gl_debug: bool, gl_robustness: Robustness)
-> Result<ffi::egl::types::EGLContext, CreationError>
{
let extensions = if egl_version >= &(1, 2) {
let p = CStr::from_ptr(egl.QueryString(display, ffi::egl::EXTENSIONS as i32));
@ -346,6 +350,7 @@ unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDispl
};
let mut context_attributes = vec![];
let mut flags = 0;
if egl_version >= &(1, 5) ||
extensions.contains("EGL_KHR_create_context ") ||
@ -356,17 +361,52 @@ 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);
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);
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 => {
return Err(CreationError::NotSupported);
},
_ => ()
}
}
if gl_debug {
if egl_version >= &(1, 5) {
context_attributes.push(ffi::egl::CONTEXT_OPENGL_DEBUG as i32);
context_attributes.push(ffi::egl::TRUE as i32);
} else {
context_attributes.push(ffi::egl::CONTEXT_FLAGS_KHR as i32);
context_attributes.push(ffi::egl::CONTEXT_OPENGL_DEBUG_BIT_KHR as i32);
flags = flags | ffi::egl::CONTEXT_OPENGL_DEBUG_BIT_KHR as i32;
}
}
context_attributes.push(ffi::egl::CONTEXT_FLAGS_KHR as i32);
context_attributes.push(flags);
} else if egl_version >= &(1, 3) && api == Api::OpenGlEs {
match gl_robustness {
Robustness::RobustNoResetNotification | Robustness::RobustLoseContextOnReset => {
return Err(CreationError::NotSupported);
},
_ => ()
}
context_attributes.push(ffi::egl::CONTEXT_CLIENT_VERSION as i32);
context_attributes.push(version.0 as i32);
}
@ -377,7 +417,7 @@ unsafe fn create_context(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDispl
context_attributes.as_ptr());
if context.is_null() {
return Err(());
return Err(CreationError::NotSupported);
}
Ok(context)