PWebGL.ipdl - mozsearch

/* -*- 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 protocol PCanvasManager;

include "mozilla/layers/LayersMessageUtils.h";

[MoveOnly] using class mozilla::ipc::BigBuffer from "mozilla/ipc/BigBuffer.h";

using mozilla::layers::RemoteTextureOwnerId from "mozilla/layers/LayersTypes.h";

using mozilla::layers::RemoteTextureTxnType from "mozilla/layers/LayersTypes.h";

using mozilla::layers::RemoteTextureTxnId from "mozilla/layers/LayersTypes.h";

using mozilla::layers::SurfaceDescriptor from "mozilla/layers/LayersTypes.h";

using std::string from "string";

using mozilla::uvec2 from "mozilla/dom/WebGLIpdl.h";

using mozilla::uvec3 from "mozilla/dom/WebGLIpdl.h";

using mozilla::void_t from "mozilla/ipc/IPCCore.h";

using mozilla::webgl::CompileResult from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::ContextLossReason from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::FrontBufferSnapshotIpc from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::GetUniformData from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::InitContextDesc from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::InitContextResult from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::Int32Vector from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::LinkResult from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::OpaqueFramebufferOptions from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::PackingInfo from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::ReadPixelsDesc from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::ReadPixelsResultIpc from "mozilla/dom/WebGLIpdl.h";

using mozilla::webgl::ShaderPrecisionFormat from "mozilla/dom/WebGLIpdl.h";

[MoveOnly] using mozilla::webgl::TexUnpackBlobDesc from "mozilla/dom/WebGLIpdl.h";

namespace mozilla {

namespace dom {

union ReadPixelsBuffer {

  // The buffer needs to be allocated, and the value specifies the maximum size.

  uint64_t;

  // The buffer is a pre-allocated Shmem.

  Shmem;

};

/**

 * Represents the connection between a WebGLChild actor that issues WebGL

 * command from the content process, and a WebGLParent in the compositor

 * process that runs the commands.

*/

sync protocol PWebGL

  manager PCanvasManager;

parent:

  sync Initialize(InitContextDesc desc)

    returns (InitContextResult res);

  async __delete__();

  async WaitForTxn(RemoteTextureOwnerId ownerId, RemoteTextureTxnType txnType, RemoteTextureTxnId txnId);

  // -

  async DispatchCommands(BigBuffer commands, uint64_t size);

  async Ping() returns (void_t ok);

  sync SyncPing();

  async TexImage(uint32_t level, uint32_t respecFormat, uvec3 offset,

                 PackingInfo pi, TexUnpackBlobDesc src);

  // -

  sync GetBufferSubData(uint32_t target, uint64_t srcByteOffset, uint64_t byteSize) returns (Shmem ret);

  sync GetFrontBufferSnapshot() returns (FrontBufferSnapshotIpc ret);

  sync ReadPixels(ReadPixelsDesc desc, ReadPixelsBuffer buffer) returns (ReadPixelsResultIpc ret);

  // -

  sync CheckFramebufferStatus(uint32_t target) returns (uint32_t ret);

  sync ClientWaitSync(uint64_t id, uint32_t flags, uint64_t timeout) returns (uint32_t ret);

  sync CreateOpaqueFramebuffer(uint64_t id, OpaqueFramebufferOptions options) returns (bool ret);

  sync DrawingBufferSize() returns (uvec2 ret);

  sync Finish();

  sync GetBufferParameter(uint32_t target, uint32_t pname) returns (double? ret);

  sync GetCompileResult(uint64_t id) returns (CompileResult ret);

  sync GetError() returns (uint32_t ret);

  sync GetFragDataLocation(uint64_t id, string name) returns (int32_t ret);

  sync GetFramebufferAttachmentParameter(uint64_t id,

                                                  uint32_t attachment,

                                                  uint32_t pname) returns (double? ret);

  sync GetFrontBuffer(uint64_t fb, bool vr) returns (SurfaceDescriptor? ret);

  sync GetIndexedParameter(uint32_t target, uint32_t index) returns (double? ret);

  sync GetInternalformatParameter(uint32_t target, uint32_t internalFormat, uint32_t pname) returns (Int32Vector? ret);

  sync GetLinkResult(uint64_t id) returns (LinkResult ret);

  sync GetNumber(uint32_t pname) returns (double? ret);

  sync GetQueryParameter(uint64_t id, uint32_t pname) returns (double? ret);

  sync GetRenderbufferParameter(uint64_t id, uint32_t pname) returns (double? ret);

  sync GetSamplerParameter(uint64_t id, uint32_t pname) returns (double? ret);

  sync GetShaderPrecisionFormat(

      uint32_t shaderType, uint32_t precisionType) returns (ShaderPrecisionFormat? ret);

  sync GetString(uint32_t pname) returns (string? ret);

  sync GetTexParameter(uint64_t id, uint32_t pname) returns (double? ret);

  sync GetUniform(uint64_t id, uint32_t loc) returns (GetUniformData ret);

  sync GetVertexAttrib(uint32_t index, uint32_t pname) returns (double? ret);

  sync OnMemoryPressure();

  sync ValidateProgram(uint64_t id) returns (bool ret);

child:

  async JsWarning(string text);

  // Tell client that this queue needs to be shut down

  async OnContextLoss(ContextLossReason aReason);

  // Triggered when the id from FenceSync completes.

  async OnSyncComplete(uint64_t id);

};

} // dom

} // mozilla