spirv/nir: Handle texture projectors

Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Cc: "12.0" <[email protected]>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 6ebf951ab47..27d2b4239bb 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -1442,6 +1442,21 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
       break;
    }
 
+   switch (opcode) {
+   case SpvOpImageSampleProjImplicitLod:
+   case SpvOpImageSampleProjExplicitLod:
+   case SpvOpImageSampleProjDrefImplicitLod:
+   case SpvOpImageSampleProjDrefExplicitLod:
+      /* These have the projector as the last coordinate component */
+      p->src = nir_src_for_ssa(nir_channel(&b->nb, coord, coord_components));
+      p->src_type = nir_tex_src_projector;
+      p++;
+      break;
+
+   default:
+      break;
+   }
+
    unsigned gather_component = 0;
    switch (opcode) {
    case SpvOpImageSampleDrefImplicitLod: