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Added a comment about viewports

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This commit is contained in:
Bart Trzynadlowski 2016-04-04 04:31:26 +00:00
parent 6d9426759b
commit faf5f9cf48
1 changed files with 10 additions and 0 deletions
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10
Src/Graphics/Legacy3D/Legacy3D.cpp
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@ -36,6 +36,16 @@
* 2. Move stuff into vertex shader (vision by 2048? Subtract of 0.5,0.5 for bilinear filtering?)
* 3. Just one call to BufferSubData rather than 2
*
* Viewports
* ---------
*
* Ville Linde passed along the following information:
*
* - Bit 0x20 of viewport word 0 disables the viewport when set, according
* to Scud Race's secret menu. Not yet known whether any game uses this.
* - Bits 0x300 of word 0 constitute the viewport number (0-3). Not sure how
* this relates to the priority bits (0x18).
*
* Spotlight
* ---------
*