92 lines
4.4 KiB
Diff
92 lines
4.4 KiB
Diff
diff --git gpu/ipc/service/gpu_memory_buffer_factory_dxgi.cc gpu/ipc/service/gpu_memory_buffer_factory_dxgi.cc
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index 2096591596a26..5a0c3fd16eecf 100644
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--- gpu/ipc/service/gpu_memory_buffer_factory_dxgi.cc
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+++ gpu/ipc/service/gpu_memory_buffer_factory_dxgi.cc
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@@ -179,7 +179,8 @@ gfx::GpuMemoryBufferHandle GpuMemoryBufferFactoryDXGI::CreateGpuMemoryBuffer(
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// so make sure that the usage is one that we support.
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DCHECK(usage == gfx::BufferUsage::GPU_READ ||
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usage == gfx::BufferUsage::SCANOUT ||
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- usage == gfx::BufferUsage::SCANOUT_CPU_READ_WRITE)
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+ usage == gfx::BufferUsage::SCANOUT_CPU_READ_WRITE ||
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+ usage == gfx::BufferUsage::SCANOUT_VEA_CPU_READ)
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<< "Incorrect usage, usage=" << gfx::BufferUsageToString(usage);
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D3D11_TEXTURE2D_DESC desc = {
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@@ -193,7 +194,9 @@ gfx::GpuMemoryBufferHandle GpuMemoryBufferFactoryDXGI::CreateGpuMemoryBuffer(
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D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET,
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0,
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D3D11_RESOURCE_MISC_SHARED_NTHANDLE |
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- D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX};
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+ static_cast<UINT>(usage == gfx::BufferUsage::SCANOUT_VEA_CPU_READ
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+ ? D3D11_RESOURCE_MISC_SHARED
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+ : D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX)};
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Microsoft::WRL::ComPtr<ID3D11Texture2D> d3d11_texture;
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diff --git media/video/renderable_gpu_memory_buffer_video_frame_pool.cc media/video/renderable_gpu_memory_buffer_video_frame_pool.cc
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index cf5bde2e431fd..51552841427c8 100644
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--- media/video/renderable_gpu_memory_buffer_video_frame_pool.cc
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+++ media/video/renderable_gpu_memory_buffer_video_frame_pool.cc
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@@ -205,7 +205,7 @@ gfx::Size GetBufferSizeInPixelsForVideoPixelFormat(
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bool FrameResources::Initialize() {
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auto* context = pool_->GetContext();
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- constexpr gfx::BufferUsage kBufferUsage =
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+ gfx::BufferUsage buffer_usage =
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#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
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gfx::BufferUsage::SCANOUT_VEA_CPU_READ
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#else
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@@ -219,6 +219,23 @@ bool FrameResources::Initialize() {
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const gfx::Size buffer_size_in_pixels =
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GetBufferSizeInPixelsForVideoPixelFormat(format_, coded_size_);
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+#if BUILDFLAG(IS_WIN)
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+ // For CEF OSR feature, currently there's no other place in chromium use RGBA.
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+ // If the format is RGBA, currently CEF do not write to the texture anymore
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+ // once the GMB is returned from CopyRequest. So there will be no race
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+ // condition on that texture. We can request a GMB without a keyed mutex to
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+ // accelerate and probably prevent some driver deadlock.
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+ if (format_ == PIXEL_FORMAT_ARGB || format_ == PIXEL_FORMAT_ABGR) {
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+ // This value is 'borrowed', SCANOUT_VEA_CPU_READ is probably invalid
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+ // cause there's no real SCANOUT on Windows. We simply use this enum as a
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+ // flag to disable mutex in the GMBFactoryDXGI because this enum is also
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+ // used above in macOS and CrOS for similar usage (claim no other one will
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+ // concurrently use the resource).
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+ // https://chromium-review.googlesource.com/c/chromium/src/+/5302103
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+ buffer_usage = gfx::BufferUsage::SCANOUT_VEA_CPU_READ;
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+ }
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+#endif
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+
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// Create the GpuMemoryBuffer if MappableSharedImages is not enabled. When its
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// enabled, clients only create a mappable shared image directly without
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// needing to create a GMB.
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@@ -226,16 +243,16 @@ bool FrameResources::Initialize() {
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kUseMappableSIForRenderableGpuMemoryBufferVideoFramePool);
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if (!is_mappable_si_enabled) {
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gpu_memory_buffer_ = context->CreateGpuMemoryBuffer(
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- buffer_size_in_pixels, buffer_format, kBufferUsage);
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+ buffer_size_in_pixels, buffer_format, buffer_usage);
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if (!gpu_memory_buffer_) {
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LOG(ERROR) << "Failed to allocate GpuMemoryBuffer for frame: coded_size="
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<< coded_size_.ToString()
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- << ", usage=" << static_cast<int>(kBufferUsage);
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+ << ", usage=" << static_cast<int>(buffer_usage);
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return false;
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}
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#if BUILDFLAG(IS_MAC)
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- gpu_memory_buffer_->SetColorSpace(color_space_);
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+ gpu_memory_buffer_->SetColorSpace(color_space_);
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#endif
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}
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@@ -264,7 +281,7 @@ bool FrameResources::Initialize() {
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if (is_mappable_si_enabled) {
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shared_image_ = context->CreateSharedImage(
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- buffer_size_in_pixels, kBufferUsage, si_format, color_space_,
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+ buffer_size_in_pixels, buffer_usage, si_format, color_space_,
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kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType, kSharedImageUsage,
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sync_token_);
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} else {
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