зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
2.8 KiB
C++
103 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_IMAGETYPES_H
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#define GFX_IMAGETYPES_H
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namespace mozilla {
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enum class ImageFormat {
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/**
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* The PLANAR_YCBCR format creates a PlanarYCbCrImage. All backends should
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* support this format, because the Ogg video decoder depends on it.
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* The maximum image width and height is 16384.
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*/
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PLANAR_YCBCR,
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/**
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* The GRALLOC_PLANAR_YCBCR format creates a GrallocImage, a subtype of
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* PlanarYCbCrImage. It takes a PlanarYCbCrImage data or the raw gralloc
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* data and can be used as a texture by Gonk backend directly.
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*/
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GRALLOC_PLANAR_YCBCR,
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/**
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* The GONK_CAMERA_IMAGE format creates a GonkCameraImage, which contains two
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* parts. One is GrallocImage image for preview image. Another one is
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* MediaBuffer from Gonk recording image. The preview image can be rendered in
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* a layer for display. And the MediaBuffer will be used in component like OMX
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* encoder. It is for GUM to support preview and recording image on Gonk
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* camera.
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*/
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GONK_CAMERA_IMAGE,
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/**
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* The SHARED_RGB format creates a SharedRGBImage, which stores RGB data in
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* shared memory. Some Android hardware video decoders require this format.
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* Currently only used on Android.
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*/
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SHARED_RGB,
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/**
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* The CAIRO_SURFACE format creates a CairoImage. All backends should
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* support this format, because video rendering sometimes requires it.
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*
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* This format is useful even though a PaintedLayer could be used.
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* It makes it easy to render a cairo surface when another Image format
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* could be used. It can also avoid copying the surface data in some
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* cases.
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*
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* Images in CAIRO_SURFACE format should only be created and
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* manipulated on the main thread, since the underlying cairo surface
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* is main-thread-only.
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*/
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CAIRO_SURFACE,
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/**
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* A MacIOSurface object.
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*/
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MAC_IOSURFACE,
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/**
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* An Android SurfaceTexture ID that can be shared across threads and
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* processes.
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*/
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SURFACE_TEXTURE,
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/**
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* An EGL Image that can be shared across threads.
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*/
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EGLIMAGE,
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/**
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* The D3D9_RGB32_TEXTURE format creates a D3D9SurfaceImage, and wraps a
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* IDirect3DTexture9 in RGB32 layout.
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*/
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D3D9_RGB32_TEXTURE,
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/**
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* An Image type carries an opaque handle once for each stream.
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* The opaque handle would be a platform specific identifier.
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*/
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OVERLAY_IMAGE,
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/**
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* A share handle to a ID3D11Texture2D.
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*/
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D3D11_SHARE_HANDLE_TEXTURE
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};
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enum class StereoMode {
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MONO,
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LEFT_RIGHT,
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RIGHT_LEFT,
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BOTTOM_TOP,
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TOP_BOTTOM
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};
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} // namespace
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#endif
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