Add C-style curly-brace initializers.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23565 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/420.tese

@@ -1,6 +1,78 @@
 #version 420 core
 
+const mat2x2 a = mat2( vec2( 1.0, 0.0 ), vec2( 0.0, 1.0 ) );
+mat2x2 b = { vec2( 1.0, 0.0 ), vec2( 0.0, 1.0 ) };
+const mat2x2 c = { { 1.0, 0.0, }, { 0.0, 1.0 } };
+
+float a2[2] = { 3.4, 4.2, 5.0 }; // illegal
+vec2 b2 = { 1.0, 2.0, 3.0 }; // illegal
+mat3x3 c2 = { vec3(0.0), vec3(1.0), vec3(2.0), vec3(3.0) }; // illegal
+mat2x2 d = { 1.0, 0.0, 0.0, 1.0 }; // illegal, can't flatten nesting
+
+struct {
+    float a;
+    int b;
+} e = { 1.2, 2, };
+
+struct {
+    float a;
+    int b;
+} e2 = { 1, 3 }; // legal, first initializer is converted
+
+struct {
+    float a;
+    int b;
+} e3 = { 1.2, 2, 3 }; // illegal
+
+int a3 = true; // illegal
+vec4 b3[2] = { vec4(0.0), 1.0 }; // illegal
+vec4 b4[2] = vec4[2](vec4(0.0), mat2x2(1.0)); // illegal
+mat4x2 c3 = { vec3(0.0), vec3(1.0) }; // illegal
+
+struct S1 {
+    vec4 a;
+    vec4 b;
+};
+
+struct {
+    float s;
+    float t;
+} d2[] = { S1(vec4(0.0), vec4(1.1)) }; // illegal
+
+float b5[] = { 3.4, 4.2, 5.0, 5.2, 1.1 };
+
+struct S3 {
+    float f;
+    mat2x3 m23;
+};
+
+struct S4 {
+    uvec2 uv2;
+    S3 s[2];
+};
+
+const S4 constructed = S4(uvec2(1, 2), 
+                          S3[2](S3(3.0, mat2x3(4.0)), 
+                                S3(5.0, mat2x3(6.0))));
+
+const S4 curlybad1 = { {1, 2},
+                       { {3,   {4.0, 0, 0.0}, {0.0, 4.0, 0.0 } },       // ERROR, the mat2x3 isn't isolated
+                         {5.0, {6, 0.0, 0.0}, {0.0, 6.0, 0.0 } } } }; 
+
+const S4 curlyInit = { {1, 2},
+                       { {3,   { {4.0, 0, 0.0}, {0.0, 4.0, 0.0 } } },
+                         {5.0, { {6, 0.0, 0.0}, {0.0, 6.0, 0.0 } } } } }; 
+
+float vc1, vc2, vc3;
+vec3 av3 = vec3(vc1, vc2, vc3);
+vec3 bv3 = { vc1, vc2, vc3 };
+
 void main()
 {
     memoryBarrier();
+
+    if (constructed == curlybad1)
+        ;
+    if (constructed == curlyInit)
+        ;
 }