diff options
author | taw27 <taw27@84d2e878-0bd5-11dd-ad15-13eda11d74c5> | 2008-08-07 23:13:04 +0000 |
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committer | taw27 <taw27@84d2e878-0bd5-11dd-ad15-13eda11d74c5> | 2008-08-07 23:13:04 +0000 |
commit | a7cb69cab7a37c05a3107ad37ebda05dd8bb34cb (patch) | |
tree | 2cabfbcb36294bd9d4a8b548087bd521a6291fa4 /src | |
parent | 05a5525ea60ebd76e444828f9d840d8d1a24d7ef (diff) |
Initial timer query stuff
git-svn-id: svn://cook.msm.cam.ac.uk:745/thrust3d/thrust3d@229 84d2e878-0bd5-11dd-ad15-13eda11d74c5
Diffstat (limited to 'src')
-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)); + } |