EGLImageHelpers.cpp (1696B)
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 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 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