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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/common/resources/resource.h"
#include "build/build_config.h"
#include "components/viz/common/quads/shared_bitmap.h"
namespace viz {
namespace internal {
Resource::Resource(const gfx::Size& size,
ResourceType type,
ResourceFormat format,
const gfx::ColorSpace& color_space)
: locked_for_external_use(false),
marked_for_deletion(false),
read_lock_fences_enabled(false),
has_shared_bitmap_id(false),
is_overlay_candidate(false),
#if defined(OS_ANDROID)
is_backed_by_surface_texture(false),
wants_promotion_hint(false),
#endif
size(size),
type(type),
format(format),
color_space(color_space) {
}
Resource::Resource(Resource&& other) = default;
Resource::~Resource() = default;
Resource& Resource::operator=(Resource&& other) = default;
void Resource::SetSharedBitmap(SharedBitmap* bitmap) {
DCHECK(bitmap);
DCHECK(bitmap->pixels());
shared_bitmap = bitmap;
pixels = bitmap->pixels();
has_shared_bitmap_id = true;
shared_bitmap_id = bitmap->id();
}
void Resource::SetLocallyUsed() {
synchronization_state_ = LOCALLY_USED;
sync_token_.Clear();
}
void Resource::SetSynchronized() {
synchronization_state_ = SYNCHRONIZED;
}
void Resource::UpdateSyncToken(const gpu::SyncToken& sync_token) {
DCHECK(is_gpu_resource_type());
// An empty sync token may be used if commands are guaranteed to have run on
// the gpu process or in case of context loss.
sync_token_ = sync_token;
synchronization_state_ = sync_token.HasData() ? NEEDS_WAIT : SYNCHRONIZED;
}
int8_t* Resource::GetSyncTokenData() {
return sync_token_.GetData();
}
bool Resource::ShouldWaitSyncToken() const {
return synchronization_state_ == NEEDS_WAIT;
}
} // namespace internal
} // namespace viz
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