VRAM tips

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DXTC1 RGB: .5 Bpp (bytes/pixel)  
+
{{stub}}
DXTC3 RGBA 1 Bpp  
+
 
RGB 16bit 2 Bpp  
+
{| cellpadding="2" cellspacing="0" border="1"
RGB 24bit 4 Bpp  
+
!Compression  !!  Memory consumption
Alpha 8bit 1 Bpp  
+
|-
RGBA 16bit 2 Bpp  
+
| DXTC1 RGB ||    .5 Bpp (bytes/pixel)  
RGBA 32bit 4 Bpp
+
|-
 +
| DXTC3 RGBA ||  1 Bpp  
 +
|-
 +
| RGB 16bit ||    2 Bpp  
 +
|-
 +
| RGB 24bit ||    4 Bpp  
 +
|-
 +
| Alpha 8bit ||  1 Bpp  
 +
|-
 +
| RGBA 16bit ||  2 Bpp  
 +
|-
 +
|RGBA 32bit ||  4 Bpp
 +
|}
 +
 
 +
To figure out total texture size:
 +
width * height * bpp
 +
 
 +
Add 33% if you have Mipmaps.

Latest revision as of 20:46, 8 December 2018

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Compression Memory consumption
DXTC1 RGB .5 Bpp (bytes/pixel)
DXTC3 RGBA 1 Bpp
RGB 16bit 2 Bpp
RGB 24bit 4 Bpp
Alpha 8bit 1 Bpp
RGBA 16bit 2 Bpp
RGBA 32bit 4 Bpp

To figure out total texture size: width * height * bpp

Add 33% if you have Mipmaps.

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