From 71566053936013a578e8882d01e6ecb4c29717fb Mon Sep 17 00:00:00 2001 From: taw27 Date: Thu, 7 Aug 2008 23:13:05 +0000 Subject: Only do timer query every few frames git-svn-id: svn://cook.msm.cam.ac.uk:745/thrust3d/thrust3d@230 84d2e878-0bd5-11dd-ad15-13eda11d74c5 --- src/render.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) (limited to 'src') diff --git a/src/render.c b/src/render.c index f6a97e5..f7a2be3 100644 --- a/src/render.c +++ b/src/render.c @@ -559,8 +559,10 @@ void render_draw(Game *game, Uint32 t) { r = game->render; - glGenQueries(1, &timer_query); - glBeginQuery(GL_TIME_ELAPSED_EXT, timer_query); + if ( game->frames == 1 ) { + glGenQueries(1, &timer_query); + glBeginQuery(GL_TIME_ELAPSED_EXT, timer_query); + } if ( r->fbos ) { @@ -678,17 +680,19 @@ void render_draw(Game *game, Uint32 t) { render_draw_2d(r, game); - glEndQuery(GL_TIME_ELAPSED_EXT); + if ( game->frames == 1 ) glEndQuery(GL_TIME_ELAPSED_EXT); SDL_GL_SwapBuffers(); - GLint available = 0; - GLuint64EXT timeelapsed; - while (!available) { - glGetQueryObjectiv(timer_query, GL_QUERY_RESULT_AVAILABLE, &available); - } - glGetQueryObjectui64vEXT(timer_query, GL_QUERY_RESULT, &timeelapsed); - printf("Frame took %lli ms to render\n", (long long int)(timeelapsed/1e6)); - + if ( game->frames == 1 ) { + GLint available = 0; + GLuint64EXT timeelapsed; + while (!available) { + glGetQueryObjectiv(timer_query, GL_QUERY_RESULT_AVAILABLE, &available); + } + glGetQueryObjectui64vEXT(timer_query, GL_QUERY_RESULT, &timeelapsed); + printf("Frame took %lli ms to render\n", (long long int)(timeelapsed/1e6)); + } + } -- cgit v1.2.3