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Issue #1751 -- Remove cocoa and uikit gfx and hal support code
This commit is contained in:
Moonchild
roytam1
parent
214ac352e5
commit
215e93606d
12 changed files with 1 additions and 2493 deletions
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@ -1,275 +0,0 @@
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GLContextProvider.h"
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#include "GLContextEAGL.h"
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#include "nsDebug.h"
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#include "nsIWidget.h"
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#include "gfxPrefs.h"
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#include "gfxFailure.h"
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#include "prenv.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/widget/CompositorWidget.h"
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#include "GeckoProfiler.h"
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#import <UIKit/UIKit.h>
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namespace mozilla {
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namespace gl {
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using namespace mozilla::widget;
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GLContextEAGL::GLContextEAGL(CreateContextFlags flags, const SurfaceCaps& caps,
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EAGLContext* context, GLContext* sharedContext,
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bool isOffscreen, ContextProfile profile)
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: GLContext(flags, caps, sharedContext, isOffscreen)
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, mContext(context)
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, mBackbufferRB(0)
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, mBackbufferFB(0)
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, mLayer(nil)
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{
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SetProfileVersion(ContextProfile::OpenGLES,
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[context API] == kEAGLRenderingAPIOpenGLES3 ? 300 : 200);
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}
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GLContextEAGL::~GLContextEAGL()
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{
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if (MakeCurrent()) {
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if (mBackbufferFB) {
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fDeleteFramebuffers(1, &mBackbufferFB);
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}
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if (mBackbufferRB) {
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fDeleteRenderbuffers(1, &mBackbufferRB);
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}
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}
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mLayer = nil;
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MarkDestroyed();
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[mContext release];
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}
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bool
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GLContextEAGL::Init()
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{
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return InitWithPrefix("gl", true);
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}
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bool
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GLContextEAGL::AttachToWindow(nsIWidget* aWidget)
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{
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// This should only be called once
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MOZ_ASSERT(!mBackbufferFB && !mBackbufferRB);
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UIView* view =
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reinterpret_cast<UIView*>(aWidget->GetNativeData(NS_NATIVE_WIDGET));
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if (!view) {
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MOZ_CRASH("no view!");
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}
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mLayer = [view layer];
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fGenFramebuffers(1, &mBackbufferFB);
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return RecreateRB();
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}
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bool
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GLContextEAGL::RecreateRB()
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{
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MakeCurrent();
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CAEAGLLayer* layer = (CAEAGLLayer*)mLayer;
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if (mBackbufferRB) {
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// It doesn't seem to be enough to just call renderbufferStorage: below,
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// we apparently have to recreate the RB.
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fDeleteRenderbuffers(1, &mBackbufferRB);
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mBackbufferRB = 0;
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}
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fGenRenderbuffers(1, &mBackbufferRB);
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fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mBackbufferRB);
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[mContext renderbufferStorage:LOCAL_GL_RENDERBUFFER
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fromDrawable:layer];
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fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mBackbufferFB);
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fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
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LOCAL_GL_RENDERBUFFER, mBackbufferRB);
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return LOCAL_GL_FRAMEBUFFER_COMPLETE == fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
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}
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bool
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GLContextEAGL::MakeCurrentImpl(bool aForce)
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{
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if (!aForce && [EAGLContext currentContext] == mContext) {
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return true;
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}
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if (IsDestroyed()) {
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[EAGLContext setCurrentContext:nil];
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return false;
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}
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return [EAGLContext setCurrentContext:mContext];
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}
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bool
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GLContextEAGL::IsCurrent() {
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return [EAGLContext currentContext] == mContext;
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}
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bool
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GLContextEAGL::SetupLookupFunction()
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{
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return false;
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}
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bool
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GLContextEAGL::IsDoubleBuffered() const
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{
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return true;
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}
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bool
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GLContextEAGL::SwapBuffers()
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{
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PROFILER_LABEL("GLContextEAGL", "SwapBuffers",
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js::ProfileEntry::Category::GRAPHICS);
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[mContext presentRenderbuffer:LOCAL_GL_RENDERBUFFER];
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return true;
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}
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void
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GLContextEAGL::GetWSIInfo(nsCString* const out) const
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{
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out->AppendLiteral("EAGL");
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}
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already_AddRefed<GLContext>
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GLContextProviderEAGL::CreateWrappingExisting(void*, void*)
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{
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return nullptr;
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}
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static GLContextEAGL*
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GetGlobalContextEAGL()
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{
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return static_cast<GLContextEAGL*>(GLContextProviderEAGL::GetGlobalContext());
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}
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static already_AddRefed<GLContext>
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CreateEAGLContext(CreateContextFlags flags, bool aOffscreen, GLContextEAGL* sharedContext)
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{
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EAGLRenderingAPI apis[] = { kEAGLRenderingAPIOpenGLES3, kEAGLRenderingAPIOpenGLES2 };
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// Try to create a GLES3 context if we can, otherwise fall back to GLES2
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EAGLContext* context = nullptr;
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for (EAGLRenderingAPI api : apis) {
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if (sharedContext) {
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context = [[EAGLContext alloc] initWithAPI:api
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sharegroup:sharedContext->GetEAGLContext().sharegroup];
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} else {
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context = [[EAGLContext alloc] initWithAPI:api];
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}
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if (context) {
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break;
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}
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}
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if (!context) {
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return nullptr;
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}
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SurfaceCaps caps = SurfaceCaps::ForRGBA();
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ContextProfile profile = ContextProfile::OpenGLES;
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RefPtr<GLContextEAGL> glContext = new GLContextEAGL(flags, caps, context,
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sharedContext,
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aOffscreen,
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profile);
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if (!glContext->Init()) {
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glContext = nullptr;
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return nullptr;
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}
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return glContext.forget();
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}
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already_AddRefed<GLContext>
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GLContextProviderEAGL::CreateForCompositorWidget(CompositorWidget* aCompositorWidget, bool aForceAccelerated)
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{
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return CreateForWindow(aCompositorWidget->RealWidget(), aForceAccelerated);
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}
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already_AddRefed<GLContext>
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GLContextProviderEAGL::CreateForWindow(nsIWidget* aWidget, bool aForceAccelerated)
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{
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RefPtr<GLContext> glContext = CreateEAGLContext(CreateContextFlags::NONE, false,
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GetGlobalContextEAGL());
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if (!glContext) {
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return nullptr;
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}
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if (!GLContextEAGL::Cast(glContext)->AttachToWindow(aWidget)) {
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return nullptr;
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}
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return glContext.forget();
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}
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already_AddRefed<GLContext>
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GLContextProviderEAGL::CreateHeadless(CreateContextFlags flags,
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nsACString* const out_failureId)
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{
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return CreateEAGLContext(flags, true, GetGlobalContextEAGL());
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}
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already_AddRefed<GLContext>
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GLContextProviderEAGL::CreateOffscreen(const mozilla::gfx::IntSize& size,
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const SurfaceCaps& caps,
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CreateContextFlags flags,
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nsACString* const out_failureId)
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{
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RefPtr<GLContext> glContext = CreateHeadless(flags, out_failureId);
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if (!glContext->InitOffscreen(size, caps)) {
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return nullptr;
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}
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return glContext.forget();
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}
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static RefPtr<GLContext> gGlobalContext;
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GLContext*
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GLContextProviderEAGL::GetGlobalContext()
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{
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static bool triedToCreateContext = false;
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if (!triedToCreateContext) {
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triedToCreateContext = true;
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MOZ_RELEASE_ASSERT(!gGlobalContext, "GFX: Global GL context already initialized.");
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RefPtr<GLContext> temp = CreateHeadless(CreateContextFlags::NONE);
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gGlobalContext = temp;
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if (!gGlobalContext) {
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MOZ_CRASH("Failed to create global context");
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}
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}
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return gGlobalContext;
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}
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void
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GLContextProviderEAGL::Shutdown()
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{
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gGlobalContext = nullptr;
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}
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} /* namespace gl */
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} /* namespace mozilla */
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