Implement SkGLContext swapBuffers with fence syncs

src/gpu/gl/angle/SkANGLEGLContext.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/angle/SkANGLEGLContext.h"
 
@@ skipping 78 matching lines @@
     static const EGLint surfaceAttribs[] = {
         EGL_WIDTH, 1,
         EGL_HEIGHT, 1,
         EGL_NONE
     };
 
     fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, surfaceAttribs);
 
     eglMakeCurrent(fDisplay, fSurface, fSurface, fContext);
 
-    fGL.reset(GrGLCreateANGLEInterface());
-    if (NULL == fGL.get()) {
+    SkAutoTUnref<const GrGLInterface> gl(GrGLCreateANGLEInterface());
+    if (NULL == gl.get()) {
         SkDebugf("Could not create ANGLE GL interface!\n");
         this->destroyGLContext();
         return;
     }
-    if (!fGL->validate()) {
+    if (!gl->validate()) {
         SkDebugf("Could not validate ANGLE GL interface!\n");
         this->destroyGLContext();
         return;
     }
+
+    this->init(gl.detach());
 }
 
 SkANGLEGLContext::~SkANGLEGLContext() {
+    this->teardown();
     this->destroyGLContext();
 }
 
 void SkANGLEGLContext::destroyGLContext() {
-    fGL.reset(NULL);
     if (fDisplay) {
         eglMakeCurrent(fDisplay, 0, 0, 0);
 
         if (fContext) {
             eglDestroyContext(fDisplay, fContext);
             fContext = EGL_NO_CONTEXT;
         }
 
         if (fSurface) {
             eglDestroySurface(fDisplay, fSurface);
             fSurface = EGL_NO_SURFACE;
         }
 
         //TODO should we close the display?
         fDisplay = EGL_NO_DISPLAY;
     }
 }
 
-void SkANGLEGLContext::makeCurrent() const {
+void SkANGLEGLContext::onPlatformMakeCurrent() const {
     if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) {
         SkDebugf("Could not set the context.\n");
     }
 }
 
-void SkANGLEGLContext::swapBuffers() const {
+void SkANGLEGLContext::onPlatformSwapBuffers() const {
     if (!eglSwapBuffers(fDisplay, fSurface)) {
         SkDebugf("Could not complete eglSwapBuffers.\n");
     }
 }
+
+GrGLFuncPtr SkANGLEGLContext::onPlatformGetProcAddress(const char* name) const {
+    return eglGetProcAddress(name);
+}