Linear filtering on 32-bit float textures is only possible with OES_ texture_ float_ linear (it's not even on ES 3.2 yet).You can work around that issue by rendering to 32-bit unsigned integer textures and using the floatBitsToUInt () GLSL function instead. Rendering to 16- and 32-bit float textures is only possible with OpenGL ES 3.2 or with the EXT_ color_ buffer_ half_ float and EXT_ color_ buffer_ float extensions.While on desktop GL it's often permitted to upload a RGB image to a texture with RGBA internal format, on mobile devices usually nothing happens.For example it is not possible to render to GL:: TextureFormat:: RGB8 on iOS (but it works elsewhere) rendering to GL:: TextureFormat:: RGB32F is not possible even on NVidia. Rendering to RGB textures doesn't work on many platforms, either due to alignment issues or other factors.Optimize OpenGL ES 2.0 Performance for Tegra. ![]() Performance tuning applications for Intel Graphics for Linux and Chrome OS.Information common for all platforms that support OpenGL and OpenGL ES.
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