mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
97 lines
3.2 KiB
Plaintext
97 lines
3.2 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=8 et :
|
|
*/
|
|
/* 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 LayersSurfaces;
|
|
include LayersMessages;
|
|
include protocol PCompositable;
|
|
include protocol PCompositor;
|
|
include protocol PGrallocBuffer;
|
|
include protocol PLayer;
|
|
include protocol PRenderFrame;
|
|
include protocol PTexture;
|
|
|
|
include "mozilla/GfxMessageUtils.h";
|
|
|
|
using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
|
|
|
|
/**
|
|
* The layers protocol is spoken between thread contexts that manage
|
|
* layer (sub)trees. The protocol comprises atomically publishing
|
|
* layer subtrees to a "shadow" thread context (which grafts the
|
|
* subtree into its own tree), and atomically updating a published
|
|
* subtree. ("Atomic" in this sense is wrt painting.)
|
|
*/
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
sync protocol PLayerTransaction {
|
|
manager PRenderFrame or PCompositor;
|
|
manages PLayer;
|
|
manages PCompositable;
|
|
manages PGrallocBuffer;
|
|
manages PTexture;
|
|
|
|
parent:
|
|
/**
|
|
* Only the parent side has privileges to allocate the buffer.
|
|
* Allocation may fail (pmem is a scarce resource), and if so null_t
|
|
* is returned.
|
|
*
|
|
* |format| is an Android PixelFormat (see PixelFormat.h)
|
|
*
|
|
* commonly used PixelFormats are:
|
|
* PIXEL_FORMAT_RGBA_8888
|
|
* PIXEL_FORMAT_RGBX_8888
|
|
* PIXEL_FORMAT_BGRA_8888
|
|
*
|
|
* Note that SurfaceDescriptorGralloc has a "isRBSwapped" boolean
|
|
* that can treat the R/B bytes as swapped when they are rendered
|
|
* to the screen, to help with matching the native pixel format
|
|
* of other rendering engines.
|
|
*
|
|
* |usage| is a USAGE_* mask (see GraphicBuffer.h)
|
|
*
|
|
* commonly used USAGE flags are:
|
|
* USAGE_SW_READ_OFTEN | USAGE_SW_WRITE_OFTEN | USAGE_HW_TEXTURE
|
|
* - used for software rendering to a buffer which the compositor
|
|
* treats as a texture
|
|
* USAGE_HW_RENDER | USAGE_HW_TEXTURE
|
|
* - used for GL rendering to a buffer which the compositor
|
|
* treats as a texture
|
|
*/
|
|
sync PGrallocBuffer(IntSize size, uint32_t format, uint32_t usage)
|
|
returns (MaybeMagicGrallocBufferHandle handle);
|
|
async PLayer();
|
|
async PCompositable(TextureInfo aTextureInfo);
|
|
async PTexture(SurfaceDescriptor aSharedData, uint32_t aTextureFlags);
|
|
|
|
// The isFirstPaint flag can be used to indicate that this is the first update
|
|
// for a particular document.
|
|
sync Update(Edit[] cset, TargetConfig targetConfig, bool isFirstPaint, bool scheduleComposite)
|
|
returns (EditReply[] reply);
|
|
|
|
sync GetOpacity(PLayer layer) returns (float opacity);
|
|
sync GetTransform(PLayer layer) returns (gfx3DMatrix transform);
|
|
|
|
// We don't need to send a sync transaction if
|
|
// no transaction operate require a swap.
|
|
async UpdateNoSwap(Edit[] cset, TargetConfig targetConfig, bool isFirstPaint, bool scheduleComposite);
|
|
|
|
// Drop any front buffers that might be retained on the compositor
|
|
// side.
|
|
async ClearCachedResources();
|
|
|
|
// Schedule a composite if one isn't already scheduled.
|
|
async ForceComposite();
|
|
|
|
async __delete__();
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|