SamplerState::SamplerState()
{
memset(this, 0, sizeof(SamplerState));
setMinFilter(GL_NEAREST_MIPMAP_LINEAR);
setMagFilter(GL_LINEAR);
setWrapS(GL_REPEAT);
setWrapT(GL_REPEAT);
setWrapR(GL_REPEAT);
setMaxAnisotropy(1.0f);
setMinLod(-1000.0f);
setMaxLod(1000.0f);
setCompareMode(GL_NONE);
setCompareFunc(GL_LEQUAL);
setSRGBDecode(GL_DECODE_EXT);
}
void setupVisibleGeneratorFilter(PipeFilter& visibleSetGenerator,
const RenderParams& renderParams) const
{
visibleSetGenerator.getPromise("Frustum").set(
renderParams.frameInfo.frustum);
visibleSetGenerator.getPromise("Frame").set(
renderParams.frameInfo.timeStep);
visibleSetGenerator.getPromise("DataRange")
.set(renderParams.renderDataRange);
// lower LOD level if the user is interacting through the volume
auto vrParams = renderParams.vrParams;
if (!renderParams.idle)
vrParams.setMaxLod(vrParams.getMinLod());
visibleSetGenerator.getPromise("Params").set(vrParams);
visibleSetGenerator.getPromise("Viewport")
.set(renderParams.pixelViewPort);
visibleSetGenerator.getPromise("ClipPlanes")
.set(renderParams.clipPlanes);
}