Clément Foucault
5c2ac8520e
This is part of the Vulkan task T68990. This introduce a new GLQueryPool for managing queries in an implementation agnostic manner. This modify the GPU selection query to use this new object. This also make use of blender::Vector for better code quality. No real functionnal change.
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2020, Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "BLI_span.hh"
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namespace blender::gpu {
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typedef enum GPUQueryType {
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GPU_QUERY_OCCLUSION = 0,
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} GPUQueryType;
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class QueryPool {
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public:
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virtual ~QueryPool(){};
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/**
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* Will start and end the query at this index inside the pool. The pool will resize
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* automatically but does not support sparse allocation. So prefer using consecutive indices.
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*/
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virtual void init(GPUQueryType type) = 0;
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/**
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* Will start and end the query at this index inside the pool.
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* The pool will resize automatically.
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*/
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virtual void begin_query(void) = 0;
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virtual void end_query(void) = 0;
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/**
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* Must be fed with a buffer large enough to contain all the queries issued.
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* IMPORTANT: Result for each query can be either binary or represent the number of samples
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* drawn.
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*/
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virtual void get_occlusion_result(MutableSpan<uint32_t> r_values) = 0;
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};
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} // namespace blender::gpu
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