/* -*- 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 WEBGLQUEUEPARAMTRAITS_H_ #define WEBGLQUEUEPARAMTRAITS_H_ #include #include "ipc/EnumSerializer.h" #include "TexUnpackBlob.h" #include "WebGLContext.h" #include "WebGLTypes.h" namespace mozilla { namespace webgl { template struct QueueParamTraits; // - #define USE_TIED_FIELDS(T) \ template <> \ struct QueueParamTraits : QueueParamTraits_TiedFields {}; // - USE_TIED_FIELDS(layers::RemoteTextureId) USE_TIED_FIELDS(layers::RemoteTextureOwnerId) USE_TIED_FIELDS(WebGLContextOptions) USE_TIED_FIELDS(webgl::PixelUnpackStateWebgl) USE_TIED_FIELDS(webgl::SwapChainOptions) USE_TIED_FIELDS(webgl::ReadPixelsDesc) USE_TIED_FIELDS(webgl::VertAttribPointerDesc) USE_TIED_FIELDS(webgl::PackingInfo) USE_TIED_FIELDS(webgl::TypedQuad) USE_TIED_FIELDS(webgl::PixelPackingState) USE_TIED_FIELDS(FloatOrInt) } // namespace webgl template <> inline auto TiedFields(gfx::IntSize& a) { return std::tie(a.width, a.height); } namespace webgl { USE_TIED_FIELDS(gfx::IntSize) // - #undef USE_TIED_FIELDS // - template struct QueueParamTraits> : QueueParamTraits_TiedFields> {}; template struct QueueParamTraits> : QueueParamTraits_TiedFields> {}; // --------------------------------------------------------------------- // Enums! inline constexpr bool IsEnumCase(const dom::WebGLPowerPreference raw) { switch (raw) { case dom::WebGLPowerPreference::Default: case dom::WebGLPowerPreference::Low_power: case dom::WebGLPowerPreference::High_performance: return true; case dom::WebGLPowerPreference::EndGuard_: break; } return false; } inline constexpr bool IsEnumCase(const dom::PredefinedColorSpace raw) { switch (raw) { case dom::PredefinedColorSpace::Srgb: case dom::PredefinedColorSpace::Display_p3: return true; case dom::PredefinedColorSpace::EndGuard_: break; } return false; } inline constexpr bool IsEnumCase(const webgl::AttribBaseType raw) { switch (raw) { case webgl::AttribBaseType::Boolean: case webgl::AttribBaseType::Float: case webgl::AttribBaseType::Int: case webgl::AttribBaseType::Uint: return true; } return false; } static_assert(IsEnumCase(dom::WebGLPowerPreference(2))); static_assert(!IsEnumCase(dom::WebGLPowerPreference(3))); static_assert(!IsEnumCase(dom::WebGLPowerPreference(5))); #define USE_IS_ENUM_CASE(T) \ template <> \ struct QueueParamTraits : QueueParamTraits_IsEnumCase {}; USE_IS_ENUM_CASE(dom::WebGLPowerPreference) USE_IS_ENUM_CASE(dom::PredefinedColorSpace) USE_IS_ENUM_CASE(webgl::AttribBaseType) USE_IS_ENUM_CASE(webgl::ProvokingVertex) #undef USE_IS_ENUM_CASE // --------------------------------------------------------------------- // Custom QueueParamTraits template struct QueueParamTraits> { using ParamType = RawBuffer; template static bool Write(ProducerView& view, const ParamType& in) { const auto& elemCount = in.size(); auto status = view.WriteParam(elemCount); if (!status) return status; if (!elemCount) return status; const auto& begin = in.begin(); const bool hasData = static_cast(begin); status = view.WriteParam(hasData); if (!status) return status; if (!hasData) return status; status = view.WriteFromRange(in.Data()); return status; } template static bool Read(ConsumerView& view, ParamType* const out) { size_t elemCount = 0; auto status = view.ReadParam(&elemCount); if (!status) return status; if (!elemCount) { *out = {}; return true; } uint8_t hasData = 0; status = view.ReadParam(&hasData); if (!status) return status; if (!hasData) { auto temp = RawBuffer{elemCount}; *out = std::move(temp); return true; } auto data = view.template ReadRange(elemCount); if (!data) return false; *out = std::move(RawBuffer{*data}); return true; } }; template <> struct QueueParamTraits : public ContiguousEnumSerializerInclusive< webgl::ContextLossReason, webgl::ContextLossReason::None, webgl::ContextLossReason::Guilty> {}; template struct QueueParamTraits> { using T = Result; template static bool Write(ProducerView& aProducerView, const T& aArg) { const auto ok = aArg.isOk(); auto status = aProducerView.WriteParam(ok); if (!status) return status; if (ok) { status = aProducerView.WriteParam(aArg.unwrap()); } else { status = aProducerView.WriteParam(aArg.unwrapErr()); } return status; } template static bool Read(ConsumerView& aConsumerView, T* aArg) { bool ok; auto status = aConsumerView.ReadParam(&ok); if (!status) return status; if (ok) { V val; status = aConsumerView.ReadParam(&val); *aArg = val; } else { E val; status = aConsumerView.ReadParam(&val); *aArg = Err(val); } return status; } }; template <> struct QueueParamTraits { using T = std::string; template static bool Write(ProducerView& aProducerView, const T& aArg) { const auto size = aArg.size(); auto status = aProducerView.WriteParam(size); if (!status) return status; status = aProducerView.WriteFromRange(Range{aArg.data(), size}); return status; } template static bool Read(ConsumerView& aConsumerView, T* aArg) { size_t size; auto status = aConsumerView.ReadParam(&size); if (!status) return status; const auto view = aConsumerView.template ReadRange(size); if (!view) return false; aArg->assign(view->begin().get(), size); return status; } }; template struct QueueParamTraits> { using T = std::vector; template static bool Write(ProducerView& aProducerView, const T& aArg) { auto status = aProducerView.WriteParam(aArg.size()); if (!status) return status; for (const auto& cur : aArg) { status = aProducerView.WriteParam(cur); if (!status) return status; } return status; } template static bool Read(ConsumerView& aConsumerView, T* aArg) { size_t size; auto status = aConsumerView.ReadParam(&size); if (!status) return status; aArg->resize(size); for (auto& cur : *aArg) { status = aConsumerView.ReadParam(&cur); if (!status) return status; } return status; } }; template <> struct QueueParamTraits : public ContiguousEnumSerializer {}; template <> struct QueueParamTraits { using T = CompileResult; template static bool Write(ProducerView& aProducerView, const T& aArg) { aProducerView.WriteParam(aArg.pending); aProducerView.WriteParam(aArg.log); aProducerView.WriteParam(aArg.translatedSource); return aProducerView.WriteParam(aArg.success); } template static bool Read(ConsumerView& aConsumerView, T* aArg) { aConsumerView.ReadParam(&aArg->pending); aConsumerView.ReadParam(&aArg->log); aConsumerView.ReadParam(&aArg->translatedSource); return aConsumerView.ReadParam(&aArg->success); } }; template <> struct QueueParamTraits : public ContiguousEnumSerializer {}; template <> struct QueueParamTraits : public ContiguousEnumSerializerInclusive< mozilla::gfx::SurfaceFormat, mozilla::gfx::SurfaceFormat::B8G8R8A8, mozilla::gfx::SurfaceFormat::UNKNOWN> {}; template <> struct QueueParamTraits : public ContiguousEnumSerializerInclusive< gfxAlphaType, gfxAlphaType::Opaque, gfxAlphaType::NonPremult> {}; } // namespace webgl } // namespace mozilla #endif // WEBGLQUEUEPARAMTRAITS_H_