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blender-archive/source/blender/gpu/opengl/gl_query.hh

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File headers: SPDX License migration Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
2022-02-11 09:07:11 +11:00
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
GPUQuery: GL Backend isolation 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.
2020-09-07 23:52:55 +02:00
/** \file
* \ingroup gpu
*/
#pragma once
#include "BLI_vector.hh"
#include "gpu_query.hh"
#include "glew-mx.h"
namespace blender::gpu {
class GLQueryPool : public QueryPool {
private:
/** Contains queries object handles. */
Cleanup: Optimize gl query code path Currently whenever gl queries are performed for the viewport, a large 1024 byte array is allocated to store the query results (256 of them). Unfortunately, if any gizmo using a `draw_select` callback is active (e.g. the transform gizmos), these queries (and allocations) will occur during every mouse move event. Change the vector to allow for up to 16 query results before making an allocation. This provides enough space for every built-in gizmo except Scale Cage (which needs 27 queries). It also removes unnecessary allocations from two other related vectors used during query processing. Differential Revision: https://developer.blender.org/D13784
2022-02-12 21:52:24 -08:00
Vector<GLuint, QUERY_MIN_LEN> query_ids_;
GPUQuery: GL Backend isolation 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.
2020-09-07 23:52:55 +02:00
/** Type of this query pool. */
GPUQueryType type_;
/** Associated GL type. */
GLenum gl_type_;
/** Number of queries that have been issued since last initialization.
* Should be equal to query_ids_.size(). */
uint32_t query_issued_;
/** Can only be initialized once. */
bool initialized_ = false;
public:
~GLQueryPool();
void init(GPUQueryType type) override;
Cleanup: Clang-tidy: modernize-redundant-void-arg
2022-01-05 21:44:03 -05:00
void begin_query() override;
void end_query() override;
GPUQuery: GL Backend isolation 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.
2020-09-07 23:52:55 +02:00
void get_occlusion_result(MutableSpan<uint32_t> r_values) override;
};
static inline GLenum to_gl(GPUQueryType type)
{
if (type == GPU_QUERY_OCCLUSION) {
Cleanup: consistent TODO/FIXME formatting for names Following the most widely used convention for including todo's in the code, that is: `TODO(name):`, `FIXME(name)` ... etc.
2020-09-19 14:32:41 +10:00
/* TODO(fclem): try with GL_ANY_SAMPLES_PASSED​. */
GPUQuery: GL Backend isolation 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.
2020-09-07 23:52:55 +02:00
return GL_SAMPLES_PASSED;
}
BLI_assert(0);
return GL_SAMPLES_PASSED;
}
Cleanup: consistent TODO/FIXME formatting for names Following the most widely used convention for including todo's in the code, that is: `TODO(name):`, `FIXME(name)` ... etc.
2020-09-19 14:32:41 +10:00
} // namespace blender::gpu
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