blob: d6889023b20c207c4842c2e1dad3f4e628b15d89 [file] [log] [blame]
// Copyright 2012 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 <string>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "cc/cc_export.h"
#include "cc/layers/layer_impl.h"
#include "components/viz/common/resources/transferable_resource.h"
namespace viz {
class SingleReleaseCallback;
namespace cc {
class CC_EXPORT TextureLayerImpl : public LayerImpl {
static std::unique_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl,
int id) {
return base::WrapUnique(new TextureLayerImpl(tree_impl, id));
~TextureLayerImpl() override;
std::unique_ptr<LayerImpl> CreateLayerImpl(
LayerTreeImpl* layer_tree_impl) override;
bool IsSnapped() override;
void PushPropertiesTo(LayerImpl* layer) override;
bool WillDraw(DrawMode draw_mode,
LayerTreeResourceProvider* resource_provider) override;
void AppendQuads(viz::RenderPass* render_pass,
AppendQuadsData* append_quads_data) override;
SimpleEnclosedRegion VisibleOpaqueRegion() const override;
void ReleaseResources() override;
// These setter methods don't cause any implicit damage, so the texture client
// must explicitly invalidate if they intend to cause a visible change in the
// layer's output.
void SetTextureId(unsigned id);
void SetPremultipliedAlpha(bool premultiplied_alpha);
void SetBlendBackgroundColor(bool blend);
void SetFlipped(bool flipped);
void SetNearestNeighbor(bool nearest_neighbor);
void SetUVTopLeft(const gfx::PointF& top_left);
void SetUVBottomRight(const gfx::PointF& bottom_right);
// 1--2
// | |
// 0--3
void SetVertexOpacity(const float vertex_opacity[4]);
void SetTransferableResource(
const viz::TransferableResource& resource,
std::unique_ptr<viz::SingleReleaseCallback> release_callback);
TextureLayerImpl(LayerTreeImpl* tree_impl, int id);
const char* LayerTypeAsString() const override;
void FreeTransferableResource();
bool premultiplied_alpha_ = true;
bool blend_background_color_ = false;
bool flipped_ = true;
bool nearest_neighbor_ = false;
gfx::PointF uv_top_left_ = gfx::PointF();
gfx::PointF uv_bottom_right_ = gfx::PointF(1.f, 1.f);
float vertex_opacity_[4] = {1.f, 1.f, 1.f, 1.f};
// True while the |transferable_resource_| is owned by this layer, and
// becomes false once it is passed to another layer or to the
// LayerTreeResourceProvider, at which point we get back a |resource_id_|.
bool own_resource_ = false;
// A TransferableResource from the layer's client that will be given
// to the display compositor.
viz::TransferableResource transferable_resource_;
// Local ResourceId for the TransferableResource, to be used with the
// compositor's LayerTreeResourceProvider in order to refer to the
// TransferableResource given to it.
viz::ResourceId resource_id_ = 0;
std::unique_ptr<viz::SingleReleaseCallback> release_callback_;
} // namespace cc