| // 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 |