mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 07:13:20 +00:00
843f943758
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D85678
564 lines
16 KiB
C++
564 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
#ifndef WEBGLIPDL_H_
|
|
#define WEBGLIPDL_H_
|
|
|
|
#include "mozilla/layers/LayersSurfaces.h"
|
|
#include "WebGLTypes.h"
|
|
|
|
namespace mozilla {
|
|
namespace webgl {
|
|
|
|
// TODO: This should probably replace Shmem, or at least this should move to
|
|
// ipc/glue.
|
|
class RaiiShmem final {
|
|
RefPtr<mozilla::ipc::ActorLifecycleProxy> mWeakRef;
|
|
mozilla::ipc::Shmem mShmem = {};
|
|
|
|
public:
|
|
/// Returns zeroed data.
|
|
static RaiiShmem Alloc(mozilla::ipc::IProtocol* const allocator,
|
|
const size_t size,
|
|
const Shmem::SharedMemory::SharedMemoryType type) {
|
|
mozilla::ipc::Shmem shmem;
|
|
if (!allocator->AllocShmem(size, type, &shmem)) return {};
|
|
return {allocator, shmem};
|
|
}
|
|
|
|
// -
|
|
|
|
RaiiShmem() = default;
|
|
|
|
RaiiShmem(mozilla::ipc::IProtocol* const allocator,
|
|
const mozilla::ipc::Shmem& shmem)
|
|
: mWeakRef(allocator->ToplevelProtocol()->GetLifecycleProxy()),
|
|
mShmem(shmem) {
|
|
// Shmems are handled by the top-level, so use that or we might leak after
|
|
// the actor dies.
|
|
MOZ_ASSERT(mWeakRef);
|
|
}
|
|
|
|
void reset() {
|
|
if (IsShmem()) {
|
|
const auto& allocator = mWeakRef->Get();
|
|
if (allocator) {
|
|
allocator->DeallocShmem(mShmem);
|
|
}
|
|
}
|
|
mWeakRef = nullptr;
|
|
mShmem = {};
|
|
}
|
|
|
|
~RaiiShmem() { reset(); }
|
|
|
|
// -
|
|
|
|
RaiiShmem(RaiiShmem&& rhs) { *this = std::move(rhs); }
|
|
RaiiShmem& operator=(RaiiShmem&& rhs) {
|
|
reset();
|
|
mWeakRef = rhs.mWeakRef;
|
|
mShmem = rhs.Extract();
|
|
return *this;
|
|
}
|
|
|
|
// -
|
|
|
|
bool IsShmem() const { return mShmem.IsReadable(); }
|
|
|
|
explicit operator bool() const { return IsShmem(); }
|
|
|
|
// -
|
|
|
|
const auto& Shmem() const {
|
|
MOZ_ASSERT(IsShmem());
|
|
return mShmem;
|
|
}
|
|
|
|
Range<uint8_t> ByteRange() const {
|
|
MOZ_ASSERT(IsShmem());
|
|
return {mShmem.get<uint8_t>(), mShmem.Size<uint8_t>()};
|
|
}
|
|
|
|
mozilla::ipc::Shmem Extract() {
|
|
auto ret = mShmem;
|
|
mShmem = {};
|
|
reset();
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
using Int32Vector = std::vector<int32_t>;
|
|
|
|
} // namespace webgl
|
|
|
|
namespace ipc {
|
|
|
|
template <>
|
|
struct IPDLParamTraits<mozilla::webgl::FrontBufferSnapshotIpc> final {
|
|
using T = mozilla::webgl::FrontBufferSnapshotIpc;
|
|
|
|
static void Write(IPC::Message* const msg, IProtocol* actor, T& in) {
|
|
WriteParam(msg, in.surfSize);
|
|
WriteIPDLParam(msg, actor, std::move(in.shmem));
|
|
}
|
|
|
|
static bool Read(const IPC::Message* const msg, PickleIterator* const itr,
|
|
IProtocol* actor, T* const out) {
|
|
return ReadParam(msg, itr, &out->surfSize) &&
|
|
ReadIPDLParam(msg, itr, actor, &out->shmem);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct IPDLParamTraits<mozilla::webgl::ReadPixelsResultIpc> final {
|
|
using T = mozilla::webgl::ReadPixelsResultIpc;
|
|
|
|
static void Write(IPC::Message* const msg, IProtocol* actor, T& in) {
|
|
WriteParam(msg, in.subrect);
|
|
WriteParam(msg, in.byteStride);
|
|
WriteIPDLParam(msg, actor, std::move(in.shmem));
|
|
}
|
|
|
|
static bool Read(const IPC::Message* const msg, PickleIterator* const itr,
|
|
IProtocol* actor, T* const out) {
|
|
return ReadParam(msg, itr, &out->subrect) &&
|
|
ReadParam(msg, itr, &out->byteStride) &&
|
|
ReadIPDLParam(msg, itr, actor, &out->shmem);
|
|
}
|
|
};
|
|
|
|
} // namespace ipc
|
|
|
|
namespace webgl {
|
|
using Int32Vector = std::vector<int32_t>;
|
|
} // namespace webgl
|
|
} // namespace mozilla
|
|
|
|
namespace IPC {
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ContextLossReason>
|
|
: public ContiguousEnumSerializerInclusive<
|
|
mozilla::webgl::ContextLossReason,
|
|
mozilla::webgl::ContextLossReason::None,
|
|
mozilla::webgl::ContextLossReason::Guilty> {};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::AttribBaseType>
|
|
: public ContiguousEnumSerializerInclusive<
|
|
mozilla::webgl::AttribBaseType,
|
|
mozilla::webgl::AttribBaseType::Boolean,
|
|
mozilla::webgl::AttribBaseType::Uint> {};
|
|
|
|
// -
|
|
|
|
template <typename T>
|
|
bool ValidateParam(const T& val) {
|
|
return ParamTraits<T>::Validate(val);
|
|
}
|
|
|
|
template <typename T>
|
|
struct ValidatedPlainOldDataSerializer : public PlainOldDataSerializer<T> {
|
|
static void Write(Message* const msg, const T& in) {
|
|
MOZ_ASSERT(ValidateParam(in));
|
|
PlainOldDataSerializer<T>::Write(msg, in);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
if (!PlainOldDataSerializer<T>::Read(msg, itr, out)) return false;
|
|
return ValidateParam(*out);
|
|
}
|
|
|
|
// static bool Validate(const T&) = 0;
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::InitContextDesc> final
|
|
: public ValidatedPlainOldDataSerializer<mozilla::webgl::InitContextDesc> {
|
|
using T = mozilla::webgl::InitContextDesc;
|
|
|
|
static bool Validate(const T& val) {
|
|
return ValidateParam(val.options) && (val.size.x && val.size.y);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::WebGLContextOptions> final
|
|
: public ValidatedPlainOldDataSerializer<mozilla::WebGLContextOptions> {
|
|
using T = mozilla::WebGLContextOptions;
|
|
|
|
static bool Validate(const T& val) {
|
|
return ValidateParam(val.powerPreference);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::dom::WebGLPowerPreference> final
|
|
: public ValidatedPlainOldDataSerializer<
|
|
mozilla::dom::WebGLPowerPreference> {
|
|
using T = mozilla::dom::WebGLPowerPreference;
|
|
|
|
static bool Validate(const T& val) { return val <= T::High_performance; }
|
|
};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::OpaqueFramebufferOptions> final
|
|
: public PlainOldDataSerializer<mozilla::webgl::OpaqueFramebufferOptions> {
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::InitContextResult> final {
|
|
using T = mozilla::webgl::InitContextResult;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.error);
|
|
WriteParam(msg, in.options);
|
|
WriteParam(msg, in.limits);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->error) &&
|
|
ReadParam(msg, itr, &out->options) &&
|
|
ReadParam(msg, itr, &out->limits);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ExtensionBits> final
|
|
: public PlainOldDataSerializer<mozilla::webgl::ExtensionBits> {};
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::Limits> final
|
|
: public PlainOldDataSerializer<mozilla::webgl::Limits> {};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ReadPixelsDesc> final {
|
|
using T = mozilla::webgl::ReadPixelsDesc;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.srcOffset);
|
|
WriteParam(msg, in.size);
|
|
WriteParam(msg, in.pi);
|
|
WriteParam(msg, in.packState);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->srcOffset) &&
|
|
ReadParam(msg, itr, &out->size) && ReadParam(msg, itr, &out->pi) &&
|
|
ReadParam(msg, itr, &out->packState);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::PixelPackState> final {
|
|
using T = mozilla::webgl::PixelPackState;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.alignment);
|
|
WriteParam(msg, in.rowLength);
|
|
WriteParam(msg, in.skipRows);
|
|
WriteParam(msg, in.skipPixels);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->alignment) &&
|
|
ReadParam(msg, itr, &out->rowLength) &&
|
|
ReadParam(msg, itr, &out->skipRows) &&
|
|
ReadParam(msg, itr, &out->skipPixels);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::PackingInfo> final {
|
|
using T = mozilla::webgl::PackingInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.format);
|
|
WriteParam(msg, in.type);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->format) && ReadParam(msg, itr, &out->type);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::CompileResult> final {
|
|
using T = mozilla::webgl::CompileResult;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.pending);
|
|
WriteParam(msg, in.log);
|
|
WriteParam(msg, in.translatedSource);
|
|
WriteParam(msg, in.success);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->pending) &&
|
|
ReadParam(msg, itr, &out->log) &&
|
|
ReadParam(msg, itr, &out->translatedSource) &&
|
|
ReadParam(msg, itr, &out->success);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::LinkResult> final {
|
|
using T = mozilla::webgl::LinkResult;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.pending);
|
|
WriteParam(msg, in.log);
|
|
WriteParam(msg, in.success);
|
|
WriteParam(msg, in.active);
|
|
WriteParam(msg, in.tfBufferMode);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->pending) &&
|
|
ReadParam(msg, itr, &out->log) &&
|
|
ReadParam(msg, itr, &out->success) &&
|
|
ReadParam(msg, itr, &out->active) &&
|
|
ReadParam(msg, itr, &out->tfBufferMode);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::LinkActiveInfo> final {
|
|
using T = mozilla::webgl::LinkActiveInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.activeAttribs);
|
|
WriteParam(msg, in.activeUniforms);
|
|
WriteParam(msg, in.activeUniformBlocks);
|
|
WriteParam(msg, in.activeTfVaryings);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->activeAttribs) &&
|
|
ReadParam(msg, itr, &out->activeUniforms) &&
|
|
ReadParam(msg, itr, &out->activeUniformBlocks) &&
|
|
ReadParam(msg, itr, &out->activeTfVaryings);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ActiveInfo> final {
|
|
using T = mozilla::webgl::ActiveInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.elemType);
|
|
WriteParam(msg, in.elemCount);
|
|
WriteParam(msg, in.name);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->elemType) &&
|
|
ReadParam(msg, itr, &out->elemCount) &&
|
|
ReadParam(msg, itr, &out->name);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ActiveAttribInfo> final {
|
|
using T = mozilla::webgl::ActiveAttribInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, static_cast<const mozilla::webgl::ActiveInfo&>(in));
|
|
WriteParam(msg, in.location);
|
|
WriteParam(msg, in.baseType);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, static_cast<mozilla::webgl::ActiveInfo*>(out)) &&
|
|
ReadParam(msg, itr, &out->location) &&
|
|
ReadParam(msg, itr, &out->baseType);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ActiveUniformInfo> final {
|
|
using T = mozilla::webgl::ActiveUniformInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, static_cast<const mozilla::webgl::ActiveInfo&>(in));
|
|
WriteParam(msg, in.locByIndex);
|
|
WriteParam(msg, in.block_index);
|
|
WriteParam(msg, in.block_offset);
|
|
WriteParam(msg, in.block_arrayStride);
|
|
WriteParam(msg, in.block_matrixStride);
|
|
WriteParam(msg, in.block_isRowMajor);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, static_cast<mozilla::webgl::ActiveInfo*>(out)) &&
|
|
ReadParam(msg, itr, &out->locByIndex) &&
|
|
ReadParam(msg, itr, &out->block_index) &&
|
|
ReadParam(msg, itr, &out->block_offset) &&
|
|
ReadParam(msg, itr, &out->block_arrayStride) &&
|
|
ReadParam(msg, itr, &out->block_matrixStride) &&
|
|
ReadParam(msg, itr, &out->block_isRowMajor);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ActiveUniformBlockInfo> final {
|
|
using T = mozilla::webgl::ActiveUniformBlockInfo;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.name);
|
|
WriteParam(msg, in.dataSize);
|
|
WriteParam(msg, in.activeUniformIndices);
|
|
WriteParam(msg, in.referencedByVertexShader);
|
|
WriteParam(msg, in.referencedByFragmentShader);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->name) &&
|
|
ReadParam(msg, itr, &out->dataSize) &&
|
|
ReadParam(msg, itr, &out->activeUniformIndices) &&
|
|
ReadParam(msg, itr, &out->referencedByVertexShader) &&
|
|
ReadParam(msg, itr, &out->referencedByFragmentShader);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::ShaderPrecisionFormat> final {
|
|
using T = mozilla::webgl::ShaderPrecisionFormat;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.rangeMin);
|
|
WriteParam(msg, in.rangeMax);
|
|
WriteParam(msg, in.precision);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->rangeMin) &&
|
|
ReadParam(msg, itr, &out->rangeMax) &&
|
|
ReadParam(msg, itr, &out->precision);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <typename U, size_t N>
|
|
struct ParamTraits<U[N]> final {
|
|
using T = U[N];
|
|
static constexpr size_t kByteSize = sizeof(U) * N;
|
|
|
|
static_assert(std::is_trivial<U>::value);
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
msg->WriteBytes(in, kByteSize);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
if (!msg->HasBytesAvailable(itr, kByteSize)) {
|
|
return false;
|
|
}
|
|
return msg->ReadBytesInto(itr, *out, kByteSize);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <>
|
|
struct ParamTraits<mozilla::webgl::GetUniformData> final {
|
|
using T = mozilla::webgl::GetUniformData;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
ParamTraits<decltype(in.data)>::Write(msg, in.data);
|
|
WriteParam(msg, in.type);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ParamTraits<decltype(out->data)>::Read(msg, itr, &out->data) &&
|
|
ReadParam(msg, itr, &out->type);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <typename U>
|
|
struct ParamTraits<mozilla::avec2<U>> final {
|
|
using T = mozilla::avec2<U>;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.x);
|
|
WriteParam(msg, in.y);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->x) && ReadParam(msg, itr, &out->y);
|
|
}
|
|
};
|
|
|
|
// -
|
|
|
|
template <typename U>
|
|
struct ParamTraits<mozilla::avec3<U>> final {
|
|
using T = mozilla::avec3<U>;
|
|
|
|
static void Write(Message* const msg, const T& in) {
|
|
WriteParam(msg, in.x);
|
|
WriteParam(msg, in.y);
|
|
WriteParam(msg, in.z);
|
|
}
|
|
|
|
static bool Read(const Message* const msg, PickleIterator* const itr,
|
|
T* const out) {
|
|
return ReadParam(msg, itr, &out->x) && ReadParam(msg, itr, &out->y) &&
|
|
ReadParam(msg, itr, &out->z);
|
|
}
|
|
};
|
|
|
|
} // namespace IPC
|
|
|
|
#endif
|