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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/gl_image_egl.h"
#include "ui/gl/egl_util.h"
#include "ui/gl/gl_enums.h"
#include "ui/gl/gl_surface_egl.h"
namespace gl {
GLImageEGL::GLImageEGL(const gfx::Size& size)
: egl_image_(EGL_NO_IMAGE_KHR), size_(size) {}
GLImageEGL::~GLImageEGL() {
DCHECK(thread_checker_.CalledOnValidThread());
if (egl_image_ == EGL_NO_IMAGE_KHR)
return;
const EGLBoolean result =
eglDestroyImageKHR(GLSurfaceEGL::GetHardwareDisplay(), egl_image_);
if (result == EGL_FALSE)
DLOG(ERROR) << "Error destroying EGLImage: " << ui::GetLastEGLErrorString();
}
bool GLImageEGL::Initialize(EGLContext context,
EGLenum target,
EGLClientBuffer buffer,
const EGLint* attrs) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
egl_image_ = eglCreateImageKHR(GLSurfaceEGL::GetHardwareDisplay(), context,
target, buffer, attrs);
const bool success = egl_image_ != EGL_NO_IMAGE_KHR;
if (!success)
LOG(ERROR) << "Error creating EGLImage: " << ui::GetLastEGLErrorString();
return success;
}
gfx::Size GLImageEGL::GetSize() {
return size_;
}
GLImageEGL::BindOrCopy GLImageEGL::ShouldBindOrCopy() {
return egl_image_ == EGL_NO_IMAGE_KHR ? COPY : BIND;
}
bool GLImageEGL::BindTexImage(unsigned target) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK_EQ(BIND, ShouldBindOrCopy());
glEGLImageTargetTexture2DOES(target, egl_image_);
const GLenum error = glGetError();
DLOG_IF(ERROR, error != GL_NO_ERROR)
<< "Error binding EGLImage: " << GLEnums::GetStringError(error);
return error == GL_NO_ERROR;
}
} // namespace gl
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