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List:       mesa3d-dev
Subject:    [Mesa-dev] [PATCH 4/6] glsl: Implement all(v) as all_equal(v, true).
From:       Matt Turner <mattst88 () gmail ! com>
Date:       2015-11-30 23:32:09
Message-ID: 1448926331-8608-4-git-send-email-mattst88 () gmail ! com
[Download RAW message or body]

---
 src/glsl/builtin_functions.cpp | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index 2f21ffc..fb8ddee 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -4380,20 +4380,8 @@ builtin_builder::_all(const glsl_type *type)
    ir_variable *v = in_var(type, "v");
    MAKE_SIG(glsl_type::bool_type, always_available, 1, v);
 
-   switch (type->vector_elements) {
-   case 2:
-      body.emit(ret(logic_and(swizzle_x(v), swizzle_y(v))));
-      break;
-   case 3:
-      body.emit(ret(logic_and(logic_and(swizzle_x(v), swizzle_y(v)),
-                              swizzle_z(v))));
-      break;
-   case 4:
-      body.emit(ret(logic_and(logic_and(logic_and(swizzle_x(v), swizzle_y(v)),
-                                        swizzle_z(v)),
-                              swizzle_w(v))));
-      break;
-   }
+   const unsigned vec_elem = v->type->vector_elements;
+   body.emit(ret(expr(ir_binop_all_equal, v, imm(true, vec_elem))));
 
    return sig;
 }
-- 
2.4.9

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