diff options
Diffstat (limited to 'progs/perf')
| -rw-r--r-- | progs/perf/vbo.c | 83 |
1 files changed, 39 insertions, 44 deletions
diff --git a/progs/perf/vbo.c b/progs/perf/vbo.c index 12ad789aa0..ab893315e7 100644 --- a/progs/perf/vbo.c +++ b/progs/perf/vbo.c @@ -152,9 +152,10 @@ void PerfDraw(void) { double rate, mbPerSec; - int sub, sz; - int i; + int i, sz; + /* Load VBOData buffer with duplicated Vertex0. + */ VBOData = calloc(DATA_SIZE, 1); for (i = 0; i < DATA_SIZE / sizeof(Vertex0); i++) { @@ -164,51 +165,45 @@ PerfDraw(void) } - /* loop over whole/sub buffer upload */ - for (sub = 0; sub < 3; sub++) { - - if (sub == 2) { - VBOSize = 1024 * 1024; - - glBufferDataARB(GL_ARRAY_BUFFER, VBOSize, VBOData, GL_STREAM_DRAW_ARB); - - for (sz = 0; Sizes[sz] < VBOSize; sz++) { - SubSize = Sizes[sz]; - rate = PerfMeasureRate(UploadSubVBO); - - mbPerSec = rate * SubSize / (1024.0 * 1024.0); - - perf_printf(" glBufferSubDataARB(size = %d, VBOSize = %d): %.1f MB/sec\n", - SubSize, VBOSize, mbPerSec); - } - - for (sz = 0; Sizes[sz] < VBOSize; sz++) { - SubSize = Sizes[sz]; - rate = PerfMeasureRate(BatchUploadSubVBO); - - mbPerSec = rate * SubSize / (1024.0 * 1024.0); - - perf_printf(" glBufferSubDataARB(size = %d, VBOSize = %d), batched: %.1f MB/sec\n", - SubSize, VBOSize, mbPerSec); - } - } - else { - - /* loop over VBO sizes */ - for (sz = 0; Sizes[sz]; sz++) { - SubSize = VBOSize = Sizes[sz]; + /* glBufferDataARB() + */ + for (sz = 0; Sizes[sz]; sz++) { + SubSize = VBOSize = Sizes[sz]; + rate = PerfMeasureRate(UploadVBO); + mbPerSec = rate * VBOSize / (1024.0 * 1024.0); + perf_printf(" glBufferDataARB(size = %d): %.1f MB/sec\n", + VBOSize, mbPerSec); + } - if (sub == 1) - rate = PerfMeasureRate(UploadSubVBO); - else - rate = PerfMeasureRate(UploadVBO); + /* glBufferSubDataARB() + */ + for (sz = 0; Sizes[sz]; sz++) { + SubSize = VBOSize = Sizes[sz]; + rate = PerfMeasureRate(UploadSubVBO); + mbPerSec = rate * VBOSize / (1024.0 * 1024.0); + perf_printf(" glBufferSubDataARB(size = %d): %.1f MB/sec\n", + VBOSize, mbPerSec); + } - mbPerSec = rate * VBOSize / (1024.0 * 1024.0); + /* Batch upload + */ + VBOSize = 1024 * 1024; + glBufferDataARB(GL_ARRAY_BUFFER, VBOSize, VBOData, GL_STREAM_DRAW_ARB); + + for (sz = 0; Sizes[sz] < VBOSize; sz++) { + SubSize = Sizes[sz]; + rate = PerfMeasureRate(UploadSubVBO); + mbPerSec = rate * SubSize / (1024.0 * 1024.0); + perf_printf(" glBufferSubDataARB(size = %d, VBOSize = %d): %.1f MB/sec\n", + SubSize, VBOSize, mbPerSec); + } - perf_printf(" glBuffer%sDataARB(size = %d): %.1f MB/sec\n", - (sub ? "Sub" : ""), VBOSize, mbPerSec); - } - } + for (sz = 0; Sizes[sz] < VBOSize; sz++) { + SubSize = Sizes[sz]; + rate = PerfMeasureRate(BatchUploadSubVBO); + mbPerSec = rate * SubSize / (1024.0 * 1024.0); + perf_printf(" glBufferSubDataARB(size = %d, VBOSize = %d), batched: %.1f MB/sec\n", + SubSize, VBOSize, mbPerSec); } exit(0); |