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/* -*- Mode: C++; tab-width: 2; 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
#include "RenderDcompSurfaceTextureHost.h"
#include <dcomp.h>
#define LOG(msg, ...) \
MOZ_LOG(gDcompSurface, LogLevel::Debug, \
("RenderDcompSurfaceTextureHost=%p, handle=%p, size=[%u,%u] " msg, \
this, this->mHandle, this->mSize.Width(), this->mSize.Height(), \
##__VA_ARGS__))
namespace mozilla::wr {
RenderDcompSurfaceTextureHost::RenderDcompSurfaceTextureHost(
HANDLE aHandle, gfx::IntSize aSize, gfx::SurfaceFormat aFormat)
: mHandle(aHandle), mSize(aSize), mFormat(aFormat) {
MOZ_ASSERT(aHandle && aHandle != INVALID_HANDLE_VALUE);
}
IDCompositionSurface* RenderDcompSurfaceTextureHost::CreateSurfaceFromDevice(
IDCompositionDevice* aDevice) {
// Already created surface, no need to recreate it again.
if (mDcompSurface) {
return mDcompSurface;
}
auto* surface =
static_cast<IDCompositionSurface**>(getter_AddRefs(mDcompSurface));
auto hr = aDevice->CreateSurfaceFromHandle(
mHandle, reinterpret_cast<IUnknown**>(surface));
if (FAILED(hr)) {
LOG("Failed to create surface from Dcomp handle %p, hr=%lx", mHandle, hr);
return nullptr;
}
LOG("Created surface %p correctly", surface);
return mDcompSurface;
}
} // namespace mozilla::wr
#undef LOG