OpenGL: Difference between revisions
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Note:Rudimentary Shadows in Half-Life were add in the 25th Anniversary.
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*'''Transparent Water''' | *'''Transparent Water''' | ||
*'''Rudimentary Shadows''' | *'''Rudimentary Shadows''' | ||
{{note|Rudimentary Shadows in {{hl|3}} were add in the 25th Anniversary.}} | |||
*'''Texture Filtering''' | *'''Texture Filtering''' | ||
Revision as of 09:40, 4 March 2024
OpenGL is a 3D graphics API, which is used by the hardware renderers of 
GoldSrc and 
id Tech 2, as well as some 
Source 2 games.
Id Tech 2(GlQuake) engine OpenGL
Features
- Experimented Reflections
- Transparent Water
- Rudimentary Shadows
Note:Rudimentary Shadows in Half-Life were add in the 25th Anniversary.- Texture Filtering
Goldsrc engine OpenGL
Features
- Colored lighting - Quake simply had monotone lighting
- Transparent textures - Glass can now be used in maps
- Higher poly counts
- Water waves
Since 2013
- MSAA anti-aliasing - GoldSrc now natively support anti-aliasing, specifically, MSAA 4X, which is enabled by default on most modern hardwares. This will reduce the amount of jagged edges/staircases effect on the geometry.
Since 25th Anniversary
- Rudimentary Shadows
Source engine OpenGL
OpenGL uses togl converts DirectX shaders to OpenGL for macOS and Linux
Dxlevel 92
Dxlevel 92 is the OpenGL equivalent to DirectX 9 (Dx9)
Features
- Refractions with the use of a bump-map
- High-quality reflective water (used frequently)
- Softer edge dynamic shadows
- Normal-mapped lighting on models
- Improved-quality specular effects
- High dynamic range rendering (disabled by default)
- Phong shading
- Color Correction
- Motion Blur
Dxlevel 97
Dxlevel 97 is the OpenGL equivalent to DirectX 9 Shader Model 3 (Dx9.0c)
Features
- Lightwarp support
- High dynamic range rendering (enabled by default)
