60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <glad/glad.h>
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#include "video_core/renderer_opengl/gl_query_cache.h"
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namespace OpenGL {
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HostCounter::HostCounter(GLenum target) {
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query.Create(target);
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}
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HostCounter::~HostCounter() = default;
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void HostCounter::UpdateState(bool enabled) {
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if (enabled) {
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Enable();
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} else {
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Disable();
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}
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}
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void HostCounter::Reset() {
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counter = 0;
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Disable();
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}
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u64 HostCounter::Query() {
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if (!is_beginned) {
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return counter;
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}
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Disable();
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u64 value;
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glGetQueryObjectui64v(query.handle, GL_QUERY_RESULT, &value);
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Enable();
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counter += value;
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return counter;
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}
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void HostCounter::Enable() {
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if (is_beginned) {
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return;
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}
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is_beginned = true;
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glBeginQuery(GL_SAMPLES_PASSED, query.handle);
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}
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void HostCounter::Disable() {
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if (!is_beginned) {
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return;
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}
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glEndQuery(GL_SAMPLES_PASSED);
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is_beginned = false;
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}
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} // namespace OpenGL
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