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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /gfx/layers/opengl/DMABUFTextureClientOGL.cpp | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gfx/layers/opengl/DMABUFTextureClientOGL.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/layers/opengl/DMABUFTextureClientOGL.cpp b/gfx/layers/opengl/DMABUFTextureClientOGL.cpp new file mode 100644 index 0000000000..7dbd8fc599 --- /dev/null +++ b/gfx/layers/opengl/DMABUFTextureClientOGL.cpp @@ -0,0 +1,114 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "DMABUFTextureClientOGL.h" +#include "mozilla/widget/DMABufSurface.h" +#include "gfxPlatform.h" + +namespace mozilla::layers { + +using namespace gfx; + +DMABUFTextureData::DMABUFTextureData(DMABufSurface* aSurface, + BackendType aBackend) + : mSurface(aSurface), mBackend(aBackend) { + MOZ_ASSERT(mSurface); +} + +DMABUFTextureData::~DMABUFTextureData() = default; + +/* static */ DMABUFTextureData* DMABUFTextureData::Create( + const IntSize& aSize, SurfaceFormat aFormat, BackendType aBackend) { + if (aFormat != SurfaceFormat::B8G8R8A8 && + aFormat != SurfaceFormat::B8G8R8X8) { + // TODO + NS_WARNING("DMABUFTextureData::Create() - wrong surface format!"); + return nullptr; + } + + int flags = DMABUF_TEXTURE; + if (aFormat == SurfaceFormat::B8G8R8A8) { + flags |= DMABUF_ALPHA; + } + RefPtr<DMABufSurface> surf = + DMABufSurfaceRGBA::CreateDMABufSurface(aSize.width, aSize.height, flags); + if (!surf) { + NS_WARNING("DMABUFTextureData::Create() failed!"); + return nullptr; + } + return new DMABUFTextureData(surf, aBackend); +} + +TextureData* DMABUFTextureData::CreateSimilar( + LayersIPCChannel* aAllocator, LayersBackend aLayersBackend, + TextureFlags aFlags, TextureAllocationFlags aAllocFlags) const { + return DMABUFTextureData::Create( + gfx::IntSize(mSurface->GetWidth(), mSurface->GetHeight()), + mSurface->GetFormat(), mBackend); +} + +bool DMABUFTextureData::Serialize(SurfaceDescriptor& aOutDescriptor) { + return mSurface->Serialize(aOutDescriptor); +} + +void DMABUFTextureData::FillInfo(TextureData::Info& aInfo) const { + aInfo.size = gfx::IntSize(mSurface->GetWidth(), mSurface->GetHeight()); + aInfo.format = mSurface->GetFormat(); + aInfo.hasSynchronization = false; + aInfo.supportsMoz2D = true; + aInfo.canExposeMappedData = false; +} + +bool DMABUFTextureData::Lock(OpenMode) { + auto surf = mSurface->GetAsDMABufSurfaceRGBA(); + MOZ_ASSERT(!surf->IsMapped(), "Already locked?"); + surf->Map(); + return true; +} + +void DMABUFTextureData::Unlock() { + auto surf = mSurface->GetAsDMABufSurfaceRGBA(); + MOZ_ASSERT(surf->IsMapped(), "Already unlocked?"); + surf->Unmap(); +} + +already_AddRefed<DataSourceSurface> DMABUFTextureData::GetAsSurface() { + // TODO: Update for debug purposes. + return nullptr; +} + +already_AddRefed<DrawTarget> DMABUFTextureData::BorrowDrawTarget() { + MOZ_ASSERT(mBackend != BackendType::NONE); + if (mBackend == BackendType::NONE) { + // shouldn't happen, but degrade gracefully + return nullptr; + } + auto surf = mSurface->GetAsDMABufSurfaceRGBA(); + if (!surf->GetMappedRegion()) { + return nullptr; + } + return Factory::CreateDrawTargetForData( + mBackend, (unsigned char*)surf->GetMappedRegion(), + IntSize(surf->GetWidth(), surf->GetHeight()), + surf->GetMappedRegionStride(), surf->GetFormat(), true); +} + +void DMABUFTextureData::Deallocate(LayersIPCChannel*) { mSurface = nullptr; } + +void DMABUFTextureData::Forget(LayersIPCChannel*) { mSurface = nullptr; } + +bool DMABUFTextureData::UpdateFromSurface(gfx::SourceSurface* aSurface) { + RefPtr<DrawTarget> dt = BorrowDrawTarget(); + if (!dt) { + return false; + } + + dt->CopySurface(aSurface, IntRect(IntPoint(), aSurface->GetSize()), + IntPoint()); + return true; +} + +} // namespace mozilla::layers |