GLSL: Implement switch on ESSL 1.0.

Cannot use switch on legacy ESSL, fallback to plain branches.

1 files changed, 77 insertions, 0 deletions

diff --git a/reference/opt/shaders/legacy/fragment/switch.legacy.frag b/reference/opt/shaders/legacy/fragment/switch.legacy.frag
new file mode 100644
index 00000000..21a4d673
--- /dev/null
+++ b/reference/opt/shaders/legacy/fragment/switch.legacy.frag
@@ -0,0 +1,77 @@
+#version 100
+precision mediump float;
+precision highp int;
+
+varying highp float vIndexF;
+
+void main()
+{
+    int _13 = int(vIndexF);
+    highp vec4 _65;
+    highp vec4 _66;
+    highp vec4 _68;
+    for (int SPIRV_Cross_Dummy = 0; SPIRV_Cross_Dummy < 1; SPIRV_Cross_Dummy++)
+    {
+        if (_13 == 2)
+        {
+            _68 = vec4(0.0, 2.0, 3.0, 4.0);
+            break;
+        }
+        else if ((_13 == 4) || (_13 == 5))
+        {
+            _68 = vec4(1.0, 2.0, 3.0, 4.0);
+            break;
+        }
+        else if ((_13 == 8) || (_13 == 9))
+        {
+            _68 = vec4(40.0, 20.0, 30.0, 40.0);
+            break;
+        }
+        else if (_13 == 10)
+        {
+            _65 = vec4(10.0);
+            highp vec4 _45 = _65 + vec4(1.0);
+            _66 = _45;
+            highp vec4 _48 = _66 + vec4(2.0);
+            _68 = _48;
+            break;
+        }
+        else if (_13 == 11)
+        {
+            _65 = vec4(0.0);
+            highp vec4 _45 = _65 + vec4(1.0);
+            _66 = _45;
+            highp vec4 _48 = _66 + vec4(2.0);
+            _68 = _48;
+            break;
+        }
+        else if (_13 == 12)
+        {
+            _66 = vec4(0.0);
+            highp vec4 _48 = _66 + vec4(2.0);
+            _68 = _48;
+            break;
+        }
+        else
+        {
+            _68 = vec4(10.0, 20.0, 30.0, 40.0);
+            break;
+        }
+    }
+    highp vec4 _70;
+    for (int SPIRV_Cross_Dummy = 0; SPIRV_Cross_Dummy < 1; SPIRV_Cross_Dummy++)
+    {
+        if ((_13 == 10) || (_13 == 20))
+        {
+            _70 = vec4(40.0);
+            break;
+        }
+        else
+        {
+            _70 = vec4(20.0);
+            break;
+        }
+    }
+    gl_FragData[0] = _68 + _70;
+}
+