93 |
PFSS diagrams can be generated easily to show the actual behaviour of a hardware accelerator. |
PFSS diagrams can be generated easily to show the actual behaviour of a hardware accelerator. |
94 |
|
|
95 |
\begin{figure} |
\begin{figure} |
96 |
a)\\\includegraphics[width=\columnwidth]{footprint.1} |
\begin{tabular*}{\columnwidth}{lc} |
97 |
b)\\ |
a) & \\ |
98 |
|
& \includegraphics[width=5cm]{footprint.1} \\ |
99 |
|
b) & \\ |
100 |
|
& \includegraphics[width=4cm]{footprint.2} \\ |
101 |
|
\end{tabular*} |
102 |
\caption{ |
\caption{ |
103 |
\label{figfootprint} |
\label{figfootprint} |
104 |
Pixel footprint in screen space (PFSS) diagram. |
Pixel footprint in screen space (PFSS) diagram. |
106 |
a) An explanation of PFSS diagrams: the diagrams |
a) An explanation of PFSS diagrams: the diagrams |
107 |
show the contribution of each texel to the pixel |
show the contribution of each texel to the pixel |
108 |
as a color (black = no contribution, white = large contribution). |
as a color (black = no contribution, white = large contribution). |
109 |
b) An example PFSS of an EWA texture filterer. In screen space, the |
b) An example PFSS of an EWA texture filterer without |
110 |
filter is circular and has soft edges. |
mipmapping (mockup, just diagrammatic). |
111 |
|
In screen space, the |
112 |
|
filter is circular and has soft edges, while in texture space it would be |
113 |
|
elliptical. |
114 |
} |
} |
115 |
\end{figure} |
\end{figure} |
116 |
|
|