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OpenGL2: Switch to RGTC from LATC for normal maps.

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Also added a RGTC compressor as a workaround on Intel graphics.
This commit is contained in:
SmileTheory 2015-12-15 03:23:55 -08:00
parent c07cc282d0
commit cbfc3471bc
6 changed files with 181 additions and 115 deletions
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opengl2-readme.md
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@ -18,7 +18,7 @@ compatibility with existing Quake 3 mods.
- Texture upsampling.
- Advanced materials support.
- Advanced shading and specular methods.
- LATC and BPTC texture compression support.
- RGTC and BPTC texture compression support.
- Screen-space ambient occlusion.
@ -67,7 +67,7 @@ Cvars for simple rendering features:
* `r_ext_compressed_textures` - Automatically compress textures.
0 - No texture compression. (default)
1 - DXT/LATC texture compression if
1 - DXT/RGTC texture compression if
supported.
2 - BPTC texture compression if supported.