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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_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());
DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
}
bool GLImageEGL::Initialize(EGLenum target,
EGLClientBuffer buffer,
const EGLint* attrs) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_);
egl_image_ = eglCreateImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(),
EGL_NO_CONTEXT,
target,
buffer,
attrs);
if (egl_image_ == EGL_NO_IMAGE_KHR) {
DLOG(ERROR) << "Error creating EGLImage: " << ui::GetLastEGLErrorString();
return false;
}
return true;
}
void GLImageEGL::Destroy(bool have_context) {
DCHECK(thread_checker_.CalledOnValidThread());
if (egl_image_ != EGL_NO_IMAGE_KHR) {
EGLBoolean result =
eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), egl_image_);
if (result == EGL_FALSE) {
DLOG(ERROR) << "Error destroying EGLImage: "
<< ui::GetLastEGLErrorString();
}
egl_image_ = EGL_NO_IMAGE_KHR;
}
}
gfx::Size GLImageEGL::GetSize() {
return size_;
}
unsigned GLImageEGL::GetInternalFormat() { return GL_RGBA; }
bool GLImageEGL::BindTexImage(unsigned target) {
DCHECK(thread_checker_.CalledOnValidThread());
if (egl_image_ == EGL_NO_IMAGE_KHR)
return false;
glEGLImageTargetTexture2DOES(target, egl_image_);
DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
return true;
}
bool GLImageEGL::CopyTexImage(unsigned target) {
return false;
}
bool GLImageEGL::CopyTexSubImage(unsigned target,
const gfx::Point& offset,
const gfx::Rect& rect) {
return false;
}
bool GLImageEGL::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
gfx::OverlayTransform transform,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect) {
return false;
}
} // namespace gl
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