---
src/glsl/nir/nir.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 47fc62e..53dea7f 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1038,6 +1038,31 @@ nir_tex_instr_dest_size(nir_tex_instr *instr)
}
}
+/* Returns true if this texture operation queries something about the texture
+ * rather than actually sampling it.
+ */
+static inline bool
+nir_tex_instr_is_query(nir_tex_instr *instr)
+{
+ switch (instr->op) {
+ case nir_texop_txs:
+ case nir_texop_lod:
+ case nir_texop_texture_samples:
+ case nir_texop_query_levels:
+ return true;
+ case nir_texop_tex:
+ case nir_texop_txb:
+ case nir_texop_txl:
+ case nir_texop_txd:
+ case nir_texop_txf:
+ case nir_texop_txf_ms:
+ case nir_texop_tg4:
+ return false;
+ default:
+ unreachable("Invalid texture opcode");
+ }
+}
+
static inline unsigned
nir_tex_instr_src_size(nir_tex_instr *instr, unsigned src)
{
--
2.5.0.400.gff86faf
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