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grutil: Add control over heightfield filtering in shaderTerrainMesh

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Signed-off-by: deflected <deflected@users.noreply.github.com>
This commit is contained in:
deflected 2018-02-23 13:37:07 +02:00
parent 89be2c19af
commit 8fd4584bd0
1 changed files with 14 additions and 2 deletions
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16
panda/src/grutil/shaderTerrainMesh.cxx
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@ -52,6 +52,18 @@ ConfigVariableInt stm_max_views
"with. Each camera rendering the terrain corresponds to a view. Lowering this " "with. Each camera rendering the terrain corresponds to a view. Lowering this "
"value will reduce the data that has to be transferred to the GPU.")); "value will reduce the data that has to be transferred to the GPU."));
ConfigVariableEnum<SamplerState::FilterType> stm_heightfield_minfilter
("stm-heightfield-minfilter", SamplerState::FT_linear,
PRC_DESC("This specifies the minfilter that is applied for a heightfield texture. This "
"can be used to create heightfield that is visual correct with collision "
"geometry (for example bullet terrain mesh) by changing it to nearest"));
ConfigVariableEnum<SamplerState::FilterType> stm_heightfield_magfilter
("stm-heightfield-magfilter", SamplerState::FT_linear,
PRC_DESC("This specifies the magfilter that is applied for a heightfield texture. This "
"can be used to create heightfield that is visual correct with collision "
"geometry (for example bullet terrain mesh) by changing it to nearest"));
PStatCollector ShaderTerrainMesh::_basic_collector("Cull:ShaderTerrainMesh:Setup"); PStatCollector ShaderTerrainMesh::_basic_collector("Cull:ShaderTerrainMesh:Setup");
PStatCollector ShaderTerrainMesh::_lod_collector("Cull:ShaderTerrainMesh:CollectLOD"); PStatCollector ShaderTerrainMesh::_lod_collector("Cull:ShaderTerrainMesh:CollectLOD");
@ -148,8 +160,8 @@ void ShaderTerrainMesh::do_extract_heightfield() {
} else { } else {
_heightfield_tex->set_format(Texture::F_r16); _heightfield_tex->set_format(Texture::F_r16);
} }
_heightfield_tex->set_minfilter(SamplerState::FT_linear); _heightfield_tex->set_minfilter(stm_heightfield_minfilter);
_heightfield_tex->set_magfilter(SamplerState::FT_linear); _heightfield_tex->set_magfilter(stm_heightfield_magfilter);
_heightfield_tex->set_wrap_u(SamplerState::WM_clamp); _heightfield_tex->set_wrap_u(SamplerState::WM_clamp);
_heightfield_tex->set_wrap_v(SamplerState::WM_clamp); _heightfield_tex->set_wrap_v(SamplerState::WM_clamp);
} }