GPU Pro 6

136 II Rendering

Figure 3.25. Comparison of different HRAA setups showing different scenarios based on

actual game content. From left to right: centroid sampling (no antialiasing), temporal

FLIPQUAD (TFQ), AEAA + TFQ, CRAA + TFQ, and SMAA + TFQ.

Single Pass Timing (ms) G-Buffer Overhead (%)

BFECC single value 0.3 N/A

Temporal FLIPQUAD

(TFQ)

0.2 N/A

AEAA 0.25 < 1% C

8×CRAA 0.25 < 8% HW/C

SMAA 0.9 N/A

TAA 0.6 N/A

TFQ + TAA 0.62 N/A

AEAA(alpha test) +

8×CRAA + TFQ +

TAA

0.9 < 3% HW/C

SMAA+TFQ+TAA 1.4 N/A

Table 3. 2. Different HRAA passes and timings measured on an AMD Radeon HD 7950

at 1080p resolution, operating on 32-bit image buffers. “C” means content dependent

and ...