1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "EGLImageHelpers.h"
8 #include "GLContext.h"
9 #include "GLLibraryEGL.h"
10
11 namespace mozilla {
12 namespace layers {
13
14 using namespace gl;
15
EGLImageCreateFromNativeBuffer(GLContext * aGL,void * aBuffer,const gfx::IntSize & aCropSize)16 EGLImage EGLImageCreateFromNativeBuffer(GLContext* aGL, void* aBuffer,
17 const gfx::IntSize& aCropSize) {
18 EGLint attrs[] = {
19 LOCAL_EGL_IMAGE_PRESERVED,
20 LOCAL_EGL_TRUE,
21 LOCAL_EGL_NONE,
22 LOCAL_EGL_NONE,
23 };
24
25 EGLint cropAttrs[] = {
26 LOCAL_EGL_IMAGE_PRESERVED,
27 LOCAL_EGL_TRUE,
28 LOCAL_EGL_IMAGE_CROP_LEFT_ANDROID,
29 0,
30 LOCAL_EGL_IMAGE_CROP_TOP_ANDROID,
31 0,
32 LOCAL_EGL_IMAGE_CROP_RIGHT_ANDROID,
33 aCropSize.width,
34 LOCAL_EGL_IMAGE_CROP_BOTTOM_ANDROID,
35 aCropSize.height,
36 LOCAL_EGL_NONE,
37 LOCAL_EGL_NONE,
38 };
39
40 auto* egl = gl::GLLibraryEGL::Get();
41 bool hasCropRect = (aCropSize.width != 0 && aCropSize.height != 0);
42 EGLint* usedAttrs = attrs;
43 if (hasCropRect &&
44 egl->IsExtensionSupported(GLLibraryEGL::EGL_ANDROID_image_crop)) {
45 usedAttrs = cropAttrs;
46 }
47
48 return egl->fCreateImage(egl->Display(), EGL_NO_CONTEXT,
49 LOCAL_EGL_NATIVE_BUFFER_ANDROID, aBuffer, usedAttrs);
50 }
51
EGLImageDestroy(GLContext * aGL,EGLImage aImage)52 void EGLImageDestroy(GLContext* aGL, EGLImage aImage) {
53 auto* egl = gl::GLLibraryEGL::Get();
54 egl->fDestroyImage(egl->Display(), aImage);
55 }
56
57 } // namespace layers
58 } // namespace mozilla
59