spirv: add support for loading DF constants

v2 (Jason):
- Add assert.

Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 10 insertions, 2 deletions

diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 46e0c386eed..27995ba0d26 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -1003,10 +1003,18 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp opcode,
       break;
    }
 
-   case SpvOpConstant:
+   case SpvOpConstant: {
       assert(glsl_type_is_scalar(val->const_type));
-      val->constant->values[0].u32[0] = w[3];
+      int bit_size = glsl_get_bit_size(val->const_type);
+      if (bit_size == 64) {
+         val->constant->values->u32[0] = w[3];
+         val->constant->values->u32[1] = w[4];
+      } else {
+         assert(bit_size == 32);
+         val->constant->values->u32[0] = w[3];
+      }
       break;
+   }
    case SpvOpSpecConstant:
       assert(glsl_type_is_scalar(val->const_type));
       val->constant->values[0].u32[0] = get_specialization(b, val, w[3]);