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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /gfx/layers/opengl/DMABUFTextureClientOGL.cpp
parentInitial commit. (diff)
downloadfirefox-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.cpp114
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