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TargetProviders
occlusion_query_provider.h
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/*
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** ClanLib SDK
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** Copyright (c) 1997-2015 The ClanLib Team
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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** Note: Some of the libraries ClanLib may link to may have additional
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** requirements or restrictions.
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**
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** File Author(s):
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**
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** Harry Storbacka
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*/
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#pragma once
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#include <memory>
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namespace
clan
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{
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class
OcclusionQueryProvider
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{
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public
:
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virtual
~OcclusionQueryProvider
() {
return
; }
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public
:
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virtual
bool
is_result_ready
()
const
= 0;
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virtual
int
get_result
()
const
= 0;
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public
:
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virtual
void
begin
() = 0;
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virtual
void
end
() = 0;
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virtual
void
create
() = 0;
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private
:
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};
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}
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clan::OcclusionQueryProvider::~OcclusionQueryProvider
virtual ~OcclusionQueryProvider()
Definition:
occlusion_query_provider.h:46
clan::OcclusionQueryProvider::is_result_ready
virtual bool is_result_ready() const =0
Returns true if the GPU is ready to return the result.
clan
Definition:
clanapp.h:36
clan::OcclusionQueryProvider::end
virtual void end()=0
Finish occlusion query.
clan::OcclusionQueryProvider
Occlusion query provider.
Definition:
occlusion_query_provider.h:41
clan::OcclusionQueryProvider::get_result
virtual int get_result() const =0
Returns the result of the occlusion query.
clan::OcclusionQueryProvider::create
virtual void create()=0
Create occlusion query object.
clan::OcclusionQueryProvider::begin
virtual void begin()=0
Start occlusion query.