blob: a276fd05da697085a2e353d2166e3ecb78850ffe [file] [log] [blame]
/*
* 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/SkNativeGLContext.h"
#import <OpenGLES/EAGL.h>
#define EAGLCTX ((EAGLContext*)(fEAGLContext))
SkNativeGLContext::AutoContextRestore::AutoContextRestore() {
fEAGLContext = [EAGLContext currentContext];
if (EAGLCTX) {
[EAGLCTX retain];
}
}
SkNativeGLContext::AutoContextRestore::~AutoContextRestore() {
if (EAGLCTX) {
[EAGLContext setCurrentContext:EAGLCTX];
[EAGLCTX release];
}
}
///////////////////////////////////////////////////////////////////////////////
SkNativeGLContext::SkNativeGLContext()
: fEAGLContext(NULL) {
}
SkNativeGLContext::~SkNativeGLContext() {
this->destroyGLContext();
}
void SkNativeGLContext::destroyGLContext() {
if ([EAGLContext currentContext] == EAGLCTX) {
[EAGLContext setCurrentContext:nil];
}
[EAGLCTX release];
}
const GrGLInterface* SkNativeGLContext::createGLContext() {
fEAGLContext = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
[EAGLContext setCurrentContext:EAGLCTX];
const GrGLInterface* interface = GrGLCreateNativeInterface();
if (!interface) {
SkDebugf("Failed to create gl interface");
this->destroyGLContext();
return NULL;
}
return interface;
}
void SkNativeGLContext::makeCurrent() const {
if (![EAGLContext setCurrentContext:EAGLCTX]) {
SkDebugf("Could not set the context.\n");
}
}
void SkNativeGLContext::swapBuffers() const { }