Track separate precision defaults for each kind of sampler, give initial defaults as per spec. Also make fragment floats have no default. Modify/add tests to adapt to these changes.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@22066 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/300.frag

@@ -1,23 +1,23 @@
 #version 300 es
 
 uniform sampler2D s2D;
-uniform sampler3D s3D;
+uniform lowp sampler3D s3D;
 uniform samplerCube sCube;
-uniform samplerCubeShadow sCubeShadow;
-uniform sampler2DShadow s2DShadow;
-uniform sampler2DArray s2DArray;
-uniform sampler2DArrayShadow s2DArrayShadow;
+uniform lowp samplerCubeShadow sCubeShadow;
+uniform lowp sampler2DShadow s2DShadow;
+uniform lowp sampler2DArray s2DArray;
+uniform lowp sampler2DArrayShadow s2DArrayShadow;
 
-uniform isampler2D is2D;
-uniform isampler3D is3D;
-uniform isamplerCube isCube;
-uniform isampler2DArray is2DArray;
-
-uniform usampler2D us2D;
-uniform usampler3D us3D;
-uniform usamplerCube usCube;
-uniform usampler2DArray us2DArray;
+uniform lowp isampler2D is2D;
+uniform lowp isampler3D is3D;
+uniform lowp isamplerCube isCube;
+uniform lowp isampler2DArray is2DArray;
 
+uniform lowp usampler2D us2D;
+uniform lowp usampler3D us3D;
+uniform lowp usamplerCube usCube;
+uniform lowp usampler2DArray us2DArray;
+precision lowp float;
 in float c1D;
 in vec2  c2D;
 in vec3  c3D;
@@ -28,15 +28,15 @@ flat in ivec2 ic2D;
 flat in ivec3 ic3D;
 flat in ivec4 ic4D;
 noperspective in vec4 badv; // ERROR
-in sampler2D bads; // ERROR
-precision lowp uint;       // ERROR
+in sampler2D bads;          // ERROR
+precision lowp uint;        // ERROR
 
 struct s {
     int i;
-    sampler2D s;   // ERROR
+    sampler2D s;
 };
 
-out s badout;      // ERROR
+out s badout;               // ERROR
 
 void main()
 {

Test/300block.frag

@@ -1,9 +1,11 @@
 #version 300 es
 
+precision mediump float;
+
 struct S {
     vec4 u;
     uvec4 v;
-    isampler3D sampler;
+    lowp isampler3D sampler;
     vec3 w;
     struct T1 {           // ERROR
         int a;
@@ -15,7 +17,7 @@ uniform S s;
 uniform fooBlock {
     uvec4 bv;
     mat2 bm2;
-    isampler2D sampler;   // ERROR
+    lowp isampler2D sampler;   // ERROR
     struct T2 {           // ERROR
         int a;
     } t;
@@ -35,5 +37,5 @@ uniform barBlockArray {
 void main()
 {
     texture(s.sampler, vec3(inst.ni, bv.y, insts[2].nbv.z));
-    insts[s.v.x];  // ERROR
+    insts[s.v.x];         // ERROR
 }

Test/300layout.frag

@@ -1,5 +1,5 @@
 #version 300 es
-
+precision mediump float;
 in vec4 pos;
 layout (location = 2) in vec4 color;  // ERROR
 

Test/300operations.frag

@@ -1,7 +1,7 @@
 #version 300 es
 
 uniform block {
-    float f;
+    mediump float f;
 } instanceName;
 
 struct S {

Test/forwardRef.frag

@@ -1,3 +1,5 @@
+#version 110
+
 uniform vec4 bigColor;
 varying vec4 BaseColor;
 uniform float d;

Test/precision.frag

@@ -1,6 +1,6 @@
 #version 100
 
-varying vec3 color;
+varying vec3 color;       // ERRROR, there is no default qualifier for float
 
 lowp vec2 foo(mediump vec3 mv3)
 {

Test/switch.frag

@@ -1,7 +1,7 @@
 #version 300 es
 
 uniform int c, d;
-in float x;
+highp in float x;
 
 void main()
 {

Test/testlist

@@ -11,6 +11,7 @@ versionsErrors.vert
 130.frag
 140.frag
 precision.frag
+precision.vert
 nonSquare.vert
 matrixError.vert
 cppSimple.vert

Test/uint.frag

@@ -1,8 +1,8 @@
 #version 300 es
 in uvec2 badu;  // ERROR
 flat in uvec2 t;
-in float f;
-in vec2 tc;
+in highp float f;
+in highp vec2 tc;
 in bool bad;    // ERROR
 uniform uvec4 v;
 uniform int i;
@@ -10,7 +10,7 @@ uniform bool b;
 
 out uvec4 c;
 
-uniform usampler2D usampler;
+uniform lowp usampler2D usampler;
 
 void main()
 {

Test/versionsClean.frag

@@ -33,10 +33,10 @@
 //
 #version 300 es
 
-in vec3 color;
-out vec4 foo;
+in highp vec3 color;
+out highp vec4 foo;
 
-uniform sampler2DArrayShadow bar;
+uniform highp sampler2DArrayShadow bar;
 
 void main()
 {