Qt Quick 3D Environment Variables
This page contains a list of all environment variables that Qt Quick 3D supports. The environment variables are primarily meant for testing, but they can also be used to set certain platform specific values.
| Variable | Description |
|---|---|
QT_QUICK3D_DUMP_PERFTIMERS | Dumps perf timers. This variable can be used to dump the performance timers with non-zero value. |
QT_QUICK3D_DUMP_RENDERTIMES | Dumps render times. This variable can be used to dump the render times with non-zero value. |
QT_QUICK3D_FORCE_OPENGL_BACKEND | Forces specific OpenGL backend. This integer value can be used to force the use of specific OpenGL backend provided it is supported.
|
QT_QUICK3D_DUMP_SHADERS | Dump generated shaders. This value can be used to dump the generated shader code for vertex- and fragment shaders with non-zero value. |
QT_QUICK3D_THREAD_COUNT | Specifies the amount of thread used by the backend for background processing. This value can be used to set the amount of threads used by the backend for background processing. |
QT_QUICK3D_SHADER_PRECISION | Specifies default shader precision. This value can be used to control the precision of generated shaders. Possible values are lowp, mediump and highp. |
QT_QUICK3D_SAMPLER_PRECISION | Specifies default shader sampler precision. This value can be used to control the precision of samplers in generated shaders. Possible values are lowp, mediump and highp. |