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// 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.
#ifndef CC_LAYERS_TEXTURE_LAYER_IMPL_H_
#define CC_LAYERS_TEXTURE_LAYER_IMPL_H_
#include <string>
#include "base/callback.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer_impl.h"
namespace cc {
class SingleReleaseCallback;
class ScopedResource;
class CC_EXPORT TextureLayerImpl : public LayerImpl {
public:
static scoped_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl,
int id,
bool uses_mailbox) {
return make_scoped_ptr(new TextureLayerImpl(tree_impl, id, uses_mailbox));
}
virtual ~TextureLayerImpl();
virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* layer_tree_impl)
OVERRIDE;
virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual bool WillDraw(DrawMode draw_mode,
ResourceProvider* resource_provider) OVERRIDE;
virtual void AppendQuads(QuadSink* quad_sink,
AppendQuadsData* append_quads_data) OVERRIDE;
virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE;
virtual Region VisibleContentOpaqueRegion() const OVERRIDE;
virtual void DidLoseOutputSurface() OVERRIDE;
unsigned texture_id() const { return texture_id_; }
void set_texture_id(unsigned id) { texture_id_ = id; }
void set_premultiplied_alpha(bool premultiplied_alpha) {
premultiplied_alpha_ = premultiplied_alpha;
}
void set_blend_background_color(bool blend) {
blend_background_color_ = blend;
}
void set_flipped(bool flipped) { flipped_ = flipped; }
void set_uv_top_left(gfx::PointF top_left) { uv_top_left_ = top_left; }
void set_uv_bottom_right(gfx::PointF bottom_right) {
uv_bottom_right_ = bottom_right;
}
// 1--2
// | |
// 0--3
void set_vertex_opacity(const float vertex_opacity[4]) {
vertex_opacity_[0] = vertex_opacity[0];
vertex_opacity_[1] = vertex_opacity[1];
vertex_opacity_[2] = vertex_opacity[2];
vertex_opacity_[3] = vertex_opacity[3];
}
void SetTextureMailbox(const TextureMailbox& mailbox,
scoped_ptr<SingleReleaseCallback> release_callback);
private:
TextureLayerImpl(LayerTreeImpl* tree_impl, int id, bool uses_mailbox);
virtual const char* LayerTypeAsString() const OVERRIDE;
void FreeTextureMailbox();
unsigned texture_id_;
ResourceProvider::ResourceId external_texture_resource_;
bool premultiplied_alpha_;
bool blend_background_color_;
bool flipped_;
gfx::PointF uv_top_left_;
gfx::PointF uv_bottom_right_;
float vertex_opacity_[4];
// This is a resource that's a GL copy of a software texture mailbox.
scoped_ptr<ScopedResource> texture_copy_;
TextureMailbox texture_mailbox_;
scoped_ptr<SingleReleaseCallback> release_callback_;
bool uses_mailbox_;
bool own_mailbox_;
bool valid_texture_copy_;
DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl);
};
} // namespace cc
#endif // CC_LAYERS_TEXTURE_LAYER_IMPL_H_
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