Diffstat (limited to 'src/gui/rhi/qshader.cpp')
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gui/rhi/qshader.cpp b/src/gui/rhi/qshader.cpp
index dc6060f882..0b99281f08 100644
@@ -660,6 +660,13 @@ QDebug operator<<(QDebug dbg, const QShaderVersion &v)
pair, because combined image samplers may map to two native resources (a
texture and a sampler) in some shading languages. In that case the second
value refers to the sampler.
+ \note The native binding may be -1, in case there is no active binding for
+ the resource in the shader. (for example, there is a uniform block
+ declared, but it is not used in the shader code) The map is always
+ complete, meaning there is an entry for all declared uniform blocks,
+ storage blocks, image objects, and combined samplers, but the value will be
+ -1 for those that are not actually referenced in the shader functions.