blob: 513ba667d01203ff7da752698c3df130b83ff883 [file] [log] [blame]
// Copyright 2015 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 "base/memory/ref_counted.h"
#include "cc/quads/render_pass.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkMatrix44.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gl/ca_renderer_layer_params.h"
namespace cc {
class DrawQuad;
class RenderPassDrawQuad;
class ResourceProvider;
// Holds information that is frequently shared between consecutive
// CALayerOverlays.
class CC_EXPORT CALayerOverlaySharedState
: public base::RefCounted<CALayerOverlaySharedState> {
CALayerOverlaySharedState() {}
// Layers in a non-zero sorting context exist in the same 3D space and should
// intersect.
unsigned sorting_context_id = 0;
// If |is_clipped| is true, then clip to |clip_rect| in the target space.
bool is_clipped = false;
gfx::RectF clip_rect;
// The opacity property for the CAayer.
float opacity = 1;
// The transform to apply to the CALayer.
SkMatrix44 transform = SkMatrix44(SkMatrix44::kIdentity_Constructor);
friend class base::RefCounted<CALayerOverlaySharedState>;
~CALayerOverlaySharedState() {}
// Holds all information necessary to construct a CALayer from a DrawQuad.
class CC_EXPORT CALayerOverlay {
CALayerOverlay(const CALayerOverlay& other);
// State that is frequently shared between consecutive CALayerOverlays.
scoped_refptr<CALayerOverlaySharedState> shared_state;
// Texture that corresponds to an IOSurface to set as the content of the
// CALayer. If this is 0 then the CALayer is a solid color.
unsigned contents_resource_id = 0;
// The contents rect property for the CALayer.
gfx::RectF contents_rect;
// The bounds for the CALayer in pixels.
gfx::RectF bounds_rect;
// The background color property for the CALayer.
SkColor background_color = SK_ColorTRANSPARENT;
// The edge anti-aliasing mask property for the CALayer.
unsigned edge_aa_mask = 0;
// The minification and magnification filters for the CALayer.
unsigned filter;
// If |rpdq| is present, then the renderer must draw the filter effects and
// copy the result into an IOSurface.
const RenderPassDrawQuad* rpdq = nullptr;
typedef std::vector<CALayerOverlay> CALayerOverlayList;
// Returns true if all quads in the root render pass have been replaced by
// CALayerOverlays.
bool ProcessForCALayerOverlays(
ResourceProvider* resource_provider,
const gfx::RectF& display_rect,
const QuadList& quad_list,
const RenderPassFilterList& render_pass_filters,
const RenderPassFilterList& render_pass_background_filters,
CALayerOverlayList* ca_layer_overlays);
} // namespace cc