gecko-dev/gfx/layers/opengl/EGLImageHelpers.cpp

54 строки
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "EGLImageHelpers.h"
#include "GLContext.h"
#include "GLLibraryEGL.h"
namespace mozilla
{
namespace layers {
using namespace gl;
EGLImage
EGLImageCreateFromNativeBuffer(GLContext* aGL, void* aBuffer, const gfx::IntSize& aCropSize)
{
EGLint attrs[] = {
LOCAL_EGL_IMAGE_PRESERVED, LOCAL_EGL_TRUE,
LOCAL_EGL_NONE, LOCAL_EGL_NONE,
};
EGLint cropAttrs[] = {
LOCAL_EGL_IMAGE_PRESERVED, LOCAL_EGL_TRUE,
LOCAL_EGL_IMAGE_CROP_LEFT_ANDROID, 0,
LOCAL_EGL_IMAGE_CROP_TOP_ANDROID, 0,
LOCAL_EGL_IMAGE_CROP_RIGHT_ANDROID, aCropSize.width,
LOCAL_EGL_IMAGE_CROP_BOTTOM_ANDROID, aCropSize.height,
LOCAL_EGL_NONE, LOCAL_EGL_NONE,
};
bool hasCropRect = (aCropSize.width != 0 && aCropSize.height != 0);
EGLint* usedAttrs = attrs;
if (hasCropRect && sEGLLibrary.IsExtensionSupported(GLLibraryEGL::EGL_ANDROID_image_crop)) {
usedAttrs = cropAttrs;
}
return sEGLLibrary.fCreateImage(sEGLLibrary.Display(),
EGL_NO_CONTEXT,
LOCAL_EGL_NATIVE_BUFFER_ANDROID,
aBuffer, usedAttrs);
}
void
EGLImageDestroy(GLContext* aGL, EGLImage aImage)
{
sEGLLibrary.fDestroyImage(sEGLLibrary.Display(), aImage);
}
} // namespace layers
} // namespace mozilla