diff options
Diffstat (limited to 'src/render.c')
-rw-r--r-- | src/render.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/render.c b/src/render.c index e127a34..f6a97e5 100644 --- a/src/render.c +++ b/src/render.c @@ -555,9 +555,13 @@ void render_draw(Game *game, Uint32 t) { GLfloat amb[] = { 0.0, 0.0, 0.0, 1.0 }; GLfloat fx, fy, fz; GLfloat fxt, fyt, fzt; + GLuint timer_query; r = game->render; - + + glGenQueries(1, &timer_query); + glBeginQuery(GL_TIME_ELAPSED_EXT, timer_query); + if ( r->fbos ) { /* Render some swirlyness */ @@ -674,7 +678,17 @@ void render_draw(Game *game, Uint32 t) { render_draw_2d(r, game); + 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)); + } |