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Thu, 18 Jun 2026 05:23:15 -0700 (PDT) Received: from inspiron14p-linux ([109.76.144.236]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4922fa3a4easm275198015e9.3.2026.06.18.05.23.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2026 05:23:15 -0700 (PDT) From: Bryan O'Donoghue To: libcamera-devel@lists.libcamera.org Cc: bryan.odonoghue@linaro.org, pavel@ucw.cz Subject: [PATCH 24/30] libcamera: software_isp: egl: Add eglBenchMark Date: Thu, 18 Jun 2026 13:22:37 +0100 Message-ID: <20260618122245.946138-25-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260618122245.946138-1-bryan.odonoghue@linaro.org> References: <20260618122245.946138-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Signed-off-by: Bryan O'Donoghue --- include/libcamera/internal/egl.h | 52 ++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/include/libcamera/internal/egl.h b/include/libcamera/internal/egl.h index 0e57678e8..8f905416a 100644 --- a/include/libcamera/internal/egl.h +++ b/include/libcamera/internal/egl.h @@ -127,6 +127,8 @@ public: void syncOutput(); void flushOutput(); + friend class eGLBenchMark; + private: LIBCAMERA_DISABLE_COPY_AND_MOVE(eGL) @@ -152,4 +154,54 @@ private: PFNGLGETQUERYOBJECTUIVPROC glGetQueryObjectui64v; PFNGLGENQUERIESPROC glGenQueries; }; + +class eGLBenchMark { +public: + eGLBenchMark() {} + ~eGLBenchMark() {} + + void init(void) + { + glGenQueries(1, &glQueryTimeId_); + } + + void begin(eGL &egl) + { + egl.glBeginQuery(GL_TIME_ELAPSED_EXT, glQueryTimeId_); + } + + void end(eGL &egl) + { + egl.glEndQuery(GL_TIME_ELAPSED_EXT); + } + + GLuint64 getTimeElapsedSync(eGL &egl) + { + // Caution sync will wait until result is available + return getTimeElapsed(egl, true); + } + + GLuint64 getTimeElapsedAsync(eGL &egl) + { + return getTimeElapsed(egl, false); + } + +private: + GLuint glQueryTimeId_; + + GLuint64 getTimeElapsed(eGL &egl, bool sync) + { + GLuint time_elapsed_ns = 0; + GLuint available = 0; + + if (!sync) + egl.glGetQueryObjectuiv(glQueryTimeId_, GL_QUERY_RESULT_AVAILABLE, &available); + + if (available || sync) + egl.glGetQueryObjectui64v(glQueryTimeId_, GL_QUERY_RESULT, &time_elapsed_ns); + + return time_elapsed_ns; + } +}; + } //namespace libcamera