Merge pull request #1410 from KhronosGroup/fix-14062020-06-29

GLSL: Support switch more properly in legacy ESSL

1 files changed, 78 insertions, 0 deletions

diff --git a/reference/shaders/legacy/fragment/switch.legacy.frag b/reference/shaders/legacy/fragment/switch.legacy.frag
new file mode 100644
index 00000000..9960ce7e
--- /dev/null
+++ b/reference/shaders/legacy/fragment/switch.legacy.frag
@@ -0,0 +1,78 @@
+#version 100
+precision mediump float;
+precision highp int;
+
+varying highp float vIndexF;
+
+void main()
+{
+    int vIndex = int(vIndexF);
+    highp vec4 v = vec4(0.0);
+    for (int SPIRV_Cross_Dummy = 0; SPIRV_Cross_Dummy < 1; SPIRV_Cross_Dummy++)
+    {
+        if (vIndex == 2)
+        {
+            v = vec4(0.0, 2.0, 3.0, 4.0);
+            break;
+        }
+        else if ((vIndex == 4) || (vIndex == 5))
+        {
+            v = vec4(1.0, 2.0, 3.0, 4.0);
+            break;
+        }
+        else if ((vIndex == 8) || (vIndex == 9))
+        {
+            v = vec4(40.0, 20.0, 30.0, 40.0);
+            break;
+        }
+        else if (vIndex == 10)
+        {
+            v = vec4(10.0);
+            highp vec4 _43 = v;
+            highp vec4 _44 = vec4(1.0);
+            highp vec4 _45 = _43 + _44;
+            v = _45;
+            highp vec4 _46 = v;
+            highp vec4 _47 = vec4(2.0);
+            highp vec4 _48 = _46 + _47;
+            v = _48;
+            break;
+        }
+        else if (vIndex == 11)
+        {
+            highp vec4 _43 = v;
+            highp vec4 _44 = vec4(1.0);
+            highp vec4 _45 = _43 + _44;
+            v = _45;
+            highp vec4 _46 = v;
+            highp vec4 _47 = vec4(2.0);
+            highp vec4 _48 = _46 + _47;
+            v = _48;
+            break;
+        }
+        else if (vIndex == 12)
+        {
+            highp vec4 _46 = v;
+            highp vec4 _47 = vec4(2.0);
+            highp vec4 _48 = _46 + _47;
+            v = _48;
+            break;
+        }
+        else
+        {
+            v = vec4(10.0, 20.0, 30.0, 40.0);
+            break;
+        }
+    }
+    highp vec4 w = vec4(20.0);
+    for (int SPIRV_Cross_Dummy = 0; SPIRV_Cross_Dummy < 1; SPIRV_Cross_Dummy++)
+    {
+        if ((vIndex == 10) || (vIndex == 20))
+        {
+            w = vec4(40.0);
+            break;
+        }
+    }
+    gl_FragData[0] = v + w;
+}
+