content/canvas/src/WebGLContextUtils.h@6474c204b198 (annotated)
content/canvas/src/WebGLContextUtils.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef WEBGLCONTEXTUTILS_H_ |
| michael@0 | 7 | #define WEBGLCONTEXTUTILS_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "WebGLContext.h" |
| michael@0 | 10 | #include "mozilla/Assertions.h" |
| michael@0 | 11 | #include "mozilla/dom/BindingUtils.h" |
| michael@0 | 12 | |
| michael@0 | 13 | namespace mozilla { |
| michael@0 | 14 | |
| michael@0 | 15 | bool IsGLDepthFormat(GLenum webGLFormat); |
| michael@0 | 16 | bool IsGLDepthStencilFormat(GLenum webGLFormat); |
| michael@0 | 17 | bool FormatHasAlpha(GLenum webGLFormat); |
| michael@0 | 18 | void DriverFormatsFromFormatAndType(gl::GLContext* gl, GLenum webGLFormat, GLenum webGLType, |
| michael@0 | 19 | GLenum* out_driverInternalFormat, GLenum* out_driverFormat); |
| michael@0 | 20 | GLenum DriverTypeFromType(gl::GLContext* gl, GLenum webGLType); |
| michael@0 | 21 | |
| michael@0 | 22 | template <typename WebGLObjectType> |
| michael@0 | 23 | JS::Value |
| michael@0 | 24 | WebGLContext::WebGLObjectAsJSValue(JSContext *cx, const WebGLObjectType *object, ErrorResult& rv) const |
| michael@0 | 25 | { |
| michael@0 | 26 | if (!object) { |
| michael@0 | 27 | return JS::NullValue(); |
| michael@0 | 28 | } |
| michael@0 | 29 | MOZ_ASSERT(this == object->Context()); |
| michael@0 | 30 | JS::Rooted<JS::Value> v(cx); |
| michael@0 | 31 | JS::Rooted<JSObject*> wrapper(cx, GetWrapper()); |
| michael@0 | 32 | JSAutoCompartment ac(cx, wrapper); |
| michael@0 | 33 | if (!dom::WrapNewBindingObject(cx, const_cast<WebGLObjectType*>(object), &v)) { |
| michael@0 | 34 | rv.Throw(NS_ERROR_FAILURE); |
| michael@0 | 35 | return JS::NullValue(); |
| michael@0 | 36 | } |
| michael@0 | 37 | return v; |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | template <typename WebGLObjectType> |
| michael@0 | 41 | JSObject* |
| michael@0 | 42 | WebGLContext::WebGLObjectAsJSObject(JSContext *cx, const WebGLObjectType *object, ErrorResult& rv) const |
| michael@0 | 43 | { |
| michael@0 | 44 | JS::Value v = WebGLObjectAsJSValue(cx, object, rv); |
| michael@0 | 45 | if (v.isNull()) { |
| michael@0 | 46 | return nullptr; |
| michael@0 | 47 | } |
| michael@0 | 48 | return &v.toObject(); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | } // namespace mozilla |
| michael@0 | 52 | |
| michael@0 | 53 | #endif // WEBGLCONTEXTUTILS_H_ |
