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impeller
entity
entity_pass_target.h
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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_IMPELLER_ENTITY_ENTITY_PASS_TARGET_H_
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#define FLUTTER_IMPELLER_ENTITY_ENTITY_PASS_TARGET_H_
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#include "
fml/macros.h
"
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#include "
impeller/renderer/render_target.h
"
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namespace
impeller
{
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class
InlinePassContext;
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class
EntityPassTarget
{
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public
:
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explicit
EntityPassTarget
(
const
RenderTarget
& render_target,
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bool
supports_read_from_resolve,
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bool
supports_implicit_msaa);
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/// @brief Flips the backdrop and returns a readable texture that can be
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/// bound/sampled to restore the previous pass.
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///
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/// After this method is called, a new `RenderPass` that attaches the
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/// result of `GetRenderTarget` is guaranteed to be able to read the
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/// previous pass's backdrop texture (which is returned by this
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/// method).
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std::shared_ptr<Texture>
Flip
(
Allocator
& allocator);
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const
RenderTarget
&
GetRenderTarget
()
const
;
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bool
IsValid
()
const
;
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private
:
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RenderTarget
target_;
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std::shared_ptr<Texture> secondary_color_texture_;
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bool
supports_read_from_resolve_;
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bool
supports_implicit_msaa_;
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friend
InlinePassContext
;
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EntityPassTarget
& operator=(
const
EntityPassTarget
&) =
delete
;
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};
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}
// namespace impeller
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#endif
// FLUTTER_IMPELLER_ENTITY_ENTITY_PASS_TARGET_H_
impeller::Allocator
An object that allocates device memory.
Definition
allocator.h:22
impeller::EntityPassTarget
Definition
entity_pass_target.h:15
impeller::EntityPassTarget::Flip
std::shared_ptr< Texture > Flip(Allocator &allocator)
Flips the backdrop and returns a readable texture that can be bound/sampled to restore the previous p...
Definition
entity_pass_target.cc:20
impeller::EntityPassTarget::IsValid
bool IsValid() const
Definition
entity_pass_target.cc:72
impeller::EntityPassTarget::GetRenderTarget
const RenderTarget & GetRenderTarget() const
Definition
entity_pass_target.cc:68
impeller::InlinePassContext
Definition
inline_pass_context.h:17
impeller::RenderTarget
Definition
render_target.h:38
macros.h
impeller
Definition
texture.h:18
render_target.h
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