Add ES 300 built-ins trunc, round, roundEven, modf, isnan, isinf, floatBitsToInt, floatBitsToUint, intBitsToFloat, uintBitsToFloat, packSnorm2x16, unpackSnorm2x16, packUnorm2x16, unpackUnorm2x16, packHalf2x16, and unpackHalf2x16, and new form of min, max, clamp, and mix.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@21063 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/300BuiltIns.frag

@@ -0,0 +1,68 @@
+#version 300 es
+
+int imax, imin;
+uint umax, umin;
+
+vec3 x, y;
+bvec3 bv;
+
+uint uy;
+uvec2 uv2c;
+uvec2 uv2y;
+uvec2 uv2x;
+uvec4 uv4y;
+
+ivec3 iv3a;
+ivec3 iv3b;
+
+ivec4 iv4a;
+ivec4 iv4b;
+
+float f;
+
+vec2 v2a, v2b;
+vec4 v4;
+
+void main()
+{
+    // 1.3 int
+    vec3 v = mix(x, y, bv);
+    ivec4 iv10 = abs(iv4a);
+    ivec4 iv11 = sign(iv4a);
+    ivec4 iv12 = min(iv4a, iv4b);
+    ivec4 iv13 = min(iv4a, imin);
+    uvec2 u = min(uv2x, uv2y);
+    uvec4 uv = min(uv4y, uy);
+    ivec3 iv14 = max(iv3a, iv3b);
+    ivec4 iv15 = max(iv4a, imax);
+    uvec2 u10 = max(uv2x, uv2y);
+    uvec2 u11 = max(uv2x, uy);
+    ivec4 iv16 = clamp(iv4a, iv4a, iv4b);
+    ivec4 iv17 = clamp(iv4a, imin, imax);
+    uvec2 u12 = clamp(uv2x, uv2y, uv2c);
+    uvec4 uv10 = clamp(uv4y, umin, umax);
+
+    // 1.3 float
+    vec3 modfOut;
+    vec3 v11 = modf(x, modfOut);
+
+    float t = trunc(f);
+    vec2 v12 = round(v2a);
+    vec2 v13 = roundEven(v2a);
+    bvec2 b10 = isnan(v2a);
+    bvec4 b11 = isinf(v4);
+
+    // 3.3 float
+    int i = floatBitsToInt(f);
+    uvec4 uv11 = floatBitsToUint(v4);
+    vec4 v14 = intBitsToFloat(iv4a);
+    vec2 v15 = uintBitsToFloat(uv2c);
+
+    // 4.0  pack
+    uint u19 = packSnorm2x16(v2a);
+    vec2 v20 = unpackSnorm2x16(uy);
+    uint u15 = packUnorm2x16(v2a);
+    vec2 v16 = unpackUnorm2x16(uy);
+    uint u17 = packHalf2x16(v2b);
+    vec2 v18 = unpackHalf2x16(uy);
+}

Test/precision.frag

@@ -30,6 +30,11 @@ void main()
     precision lowp int;
     int level1_low;
     sum += level1_low;
+    
+    // test maxing precisions of args to get precision of builtin
+    lowp float arg1;
+    mediump float arg2;
+    lowp float d = distance(arg1, arg2);
 
     {
         int level2_low;

Test/testlist

@@ -23,6 +23,7 @@ array100.frag
 comment.frag
 300.vert
 300.frag
+300BuiltIns.frag
 330.frag
 330comp.frag
 constErrors.frag