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#1
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mips in FS2002/2004
Anyone care to discuss the use of mips in Flight Simulator textures? the use of.. and the practice of mip-stripping? what about only 2 or 3 levels of mips.. like a 1024x1024, a 512x512, and maybe a 256x256 but all the smaller ones omitted.. then let the Sim scale it smaller. Also.. where can one set/adjust the mips threshold or `gain' in the driver when, for instance, no such control is present in the Sim DISPLAY properties menu. -G |
#2
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Gregory Abbey wrote:
Anyone care to discuss the use of mips in Flight Simulator textures? the use of.. and the practice of mip-stripping? what about only 2 or 3 levels of mips.. like a 1024x1024, a 512x512, and maybe a 256x256 but all the smaller ones omitted.. then let the Sim scale it smaller. Also.. where can one set/adjust the mips threshold or `gain' in the driver when, for instance, no such control is present in the Sim DISPLAY properties menu. -G To the best of my knowledge, most games don't use prerendered mipmaps anymore. Autogen mipmaps are easily implemented on all cards since the original Riva TNT. Currently if you want to tweak LOD, download a simple tweaker program like aTuner (http://www.3dcenter.org/atuner) and go under the Direct3D More tab to set the lod slider. A negative number makes it sharper. -1.0 should look good, set it around -2.5 max. Also I'm not certain if FS has a setting for this, but make certain Trilinear filtering is on, then in the NVidia control panel, set the Performance mode to High Quality. That will disable all trilinear and anisotropic optimizations. High levels of anisotropic filtering can also help with high LOD biases. 4x is a good starting point. |
#3
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On Tue, 03 Aug 2004 15:50:51 -0500, deimos
brought the following to our attention: Gregory Abbey wrote: Anyone care to discuss the use of mips in Flight Simulator textures? the use of.. and the practice of mip-stripping? what about only 2 or 3 levels of mips.. like a 1024x1024, a 512x512, and maybe a 256x256 but all the smaller ones omitted.. then let the Sim scale it smaller. Also.. where can one set/adjust the mips threshold or `gain' in the driver when, for instance, no such control is present in the Sim DISPLAY properties menu. -G To the best of my knowledge, most games don't use prerendered mipmaps anymore. Autogen mipmaps are easily implemented on all cards since the original Riva TNT. Currently if you want to tweak LOD, download a simple tweaker program like aTuner (http://www.3dcenter.org/atuner) and go under the Direct3D More tab to set the lod slider. A negative number makes it sharper. -1.0 should look good, set it around -2.5 max. Also I'm not certain if FS has a setting for this, but make certain Trilinear filtering is on, then in the NVidia control panel, set the Performance mode to High Quality. That will disable all trilinear and anisotropic optimizations. High levels of anisotropic filtering can also help with high LOD biases. 4x is a good starting point. Thanks.. care to expand on this topic some more? Am running nVidia Riva TNT2 32MB AGP video card. Have set quality to HIGH. Texture Anisotropic Filtering rage is 0 - 2x.. it's set at 2x. What about Texel Alignment? Range is Upper Left.. Center 7 - 0 -G |
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