Overhaul handling of writemasks/swizzling. This fixes two problem cases:

vec2 v;  v.x = v.y = 1.0;  // chained assignment
vec4 v;  v.zx = vec2(a,b);  // swizzled writemask

1 files changed, 3 insertions, 3 deletions

diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index 4b696c5c137..5fd72be36a0 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -121,17 +121,17 @@ typedef struct _slang_ir_storage slang_ir_storage;
 
 /**
  * Intermediate Representation (IR) tree node
- * Basically a binary tree, but IR_LRP has three children.
+ * Basically a binary tree, but IR_LRP and IR_CLAMP have three children.
  */
 typedef struct slang_ir_node_
 {
    slang_ir_opcode Opcode;
    struct slang_ir_node_ *Children[3];
    const char *Comment;
-   const char *Target;
+   const char *Target;  /**< Branch target string */
    GLuint Writemask;  /**< If Opcode == IR_MOVE */
    GLfloat Value[4];    /**< If Opcode == IR_FLOAT */
-   slang_variable *Var;
+   slang_variable *Var;  /**< If Opcode == IR_VAR or IR_VAR_DECL */
    slang_ir_storage *Store;  /**< location of result of this operation */
 } slang_ir_node;