Add GLSL 1.20 tests for constant expressions involving builtins.

25 files changed, 546 insertions, 0 deletions

diff --git a/tests/shaders/glsl-const-builtin-abs.shader_test b/tests/shaders/glsl-const-builtin-abs.shader_test
new file mode 100644
index 00000000..1c5af276
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-abs.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float x = abs(-0.5);
+    gl_FragColor = vec4(0.0, x + x, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-acos.shader_test b/tests/shaders/glsl-const-builtin-acos.shader_test
new file mode 100644
index 00000000..4b535b65
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-acos.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float zero = acos(1.0);
+   const float zero2 = acos(1);
+   gl_FragColor = vec4(zero, 1.0, zero2, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-asin.shader_test b/tests/shaders/glsl-const-builtin-asin.shader_test
new file mode 100644
index 00000000..db5a535e
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-asin.shader_test
@@ -0,0 +1,20 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float zero = asin(0.0);
+   gl_FragColor = vec4(zero, 1.0, zero, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-atan.shader_test b/tests/shaders/glsl-const-builtin-atan.shader_test
new file mode 100644
index 00000000..4a231302
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-atan.shader_test
@@ -0,0 +1,24 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float x = atan(100.0, 100.0);
+   const float y = atan(1);
+   if (x == y)
+      gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+   else
+      gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-clamp.shader_test b/tests/shaders/glsl-const-builtin-clamp.shader_test
new file mode 100644
index 00000000..b111690d
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-clamp.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const vec2 v1 = clamp(vec2(-10.0, -15.0), vec2(-5.0, 5.0), vec2(1.0, 10.0));
+   const vec2 v2 = clamp(v1, -0.25, 1.25);
+   gl_FragColor = vec4(0.0, v2.x + v2.y, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-cos.shader_test b/tests/shaders/glsl-const-builtin-cos.shader_test
new file mode 100644
index 00000000..8a53d00a
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-cos.shader_test
@@ -0,0 +1,20 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float one = cos(0.0);
+   gl_FragColor = vec4(0, one, 0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-degrees.shader_test b/tests/shaders/glsl-const-builtin-degrees.shader_test
new file mode 100644
index 00000000..1017d35a
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-degrees.shader_test
@@ -0,0 +1,23 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const int x = int(degrees(3.1415926535));
+   if (x == 180)
+      gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+   else
+      gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-derivatives.shader_test b/tests/shaders/glsl-const-builtin-derivatives.shader_test
new file mode 100644
index 00000000..86051f79
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-derivatives.shader_test
@@ -0,0 +1,26 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float dx = dFdx(0.0);
+   const float dy = dFdy(0.0);
+   const float fw = fwidth(0.0);
+   if (dx == 0.0 && dy == 0.0 && fw == 0.0) {
+      gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+   } else {
+      gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+   }
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-dot.shader_test b/tests/shaders/glsl-const-builtin-dot.shader_test
new file mode 100644
index 00000000..c18e0984
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-dot.shader_test
@@ -0,0 +1,23 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const vec2 c1 = vec2(0.5, 0.25);
+   const vec2 c2 = vec2(1.0, 2.0);
+   const float c = dot(c1, c2);
+   gl_FragColor = vec4(0.0, c, 0.0, 0.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-exp-log.shader_test b/tests/shaders/glsl-const-builtin-exp-log.shader_test
new file mode 100644
index 00000000..84fd8ba7
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-exp-log.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float one = log(exp(2)) - 1.0;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-exp2.shader_test b/tests/shaders/glsl-const-builtin-exp2.shader_test
new file mode 100644
index 00000000..2e901233
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-exp2.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float one = exp2(16) - 65535;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-floor-ceil.shader_test b/tests/shaders/glsl-const-builtin-floor-ceil.shader_test
new file mode 100644
index 00000000..668b8e82
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-floor-ceil.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const float one = ceil(1.4) - floor(1.4);
+   gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-fract.shader_test b/tests/shaders/glsl-const-builtin-fract.shader_test
new file mode 100644
index 00000000..ac6d9ba4
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-fract.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const float one = fract(5.1) * 10.0;
+   gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-greaterThan.shader_test b/tests/shaders/glsl-const-builtin-greaterThan.shader_test
new file mode 100644
index 00000000..cecf7baa
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-greaterThan.shader_test
@@ -0,0 +1,25 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const vec2 small = vec2(1.0, 2.0);
+   const vec2 large = vec2(2.0, 3.0);
+   const bvec2 gt = greaterThan(large, small);
+   if (gt.x && gt.y)
+      gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+   else
+      gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-inversesqrt.shader_test b/tests/shaders/glsl-const-builtin-inversesqrt.shader_test
new file mode 100644
index 00000000..f8b72382
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-inversesqrt.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const vec4 q = inversesqrt(vec4(16.0));
+    const float one = q.x + q.y + q.z + q.w;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-log2.shader_test b/tests/shaders/glsl-const-builtin-log2.shader_test
new file mode 100644
index 00000000..7e2d802b
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-log2.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float one = log2(65536) - 15;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-max.shader_test b/tests/shaders/glsl-const-builtin-max.shader_test
new file mode 100644
index 00000000..af0a2dc0
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-max.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float x = max(0.25, -5.0);
+    const vec2 v = max(vec2(0.5, 0.2), 0.25);
+    gl_FragColor = vec4(0.0, x + v.x + v.y, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-min.shader_test b/tests/shaders/glsl-const-builtin-min.shader_test
new file mode 100644
index 00000000..754934cb
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-min.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float x = min(0.25, 0.5);
+    const vec2 v = min(vec2(0.25, 0.7), 0.5);
+    gl_FragColor = vec4(0.0, x + v.x + v.y, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-mod.shader_test b/tests/shaders/glsl-const-builtin-mod.shader_test
new file mode 100644
index 00000000..c5e31691
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-mod.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const vec2 v1 = mod(vec2(5.0, 4.0), 3.0);
+   const vec2 v2 = mod(vec2(5.0, 6.0), vec2(3.0, 5.0));
+   gl_FragColor = vec4(0.0, v1.x - v1.y, 0.0, v2.x - v2.y);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgba 15 15 0.0 1.0 0.0 1.0
diff --git a/tests/shaders/glsl-const-builtin-pow.shader_test b/tests/shaders/glsl-const-builtin-pow.shader_test
new file mode 100644
index 00000000..da5ec66c
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-pow.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const vec2 v = pow(vec2(2,9), vec2(2,0.5));
+    const float one = v.x - v.y;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-radians.shader_test b/tests/shaders/glsl-const-builtin-radians.shader_test
new file mode 100644
index 00000000..5c31291b
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-radians.shader_test
@@ -0,0 +1,23 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const int pi = int(radians(180.0)*100);
+   if (pi == 314)
+      gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+   else
+      gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-sign.shader_test b/tests/shaders/glsl-const-builtin-sign.shader_test
new file mode 100644
index 00000000..95684f9a
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-sign.shader_test
@@ -0,0 +1,22 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+   const vec3 signs = sign(vec3(0.0, -42.9, 55.7));
+   const float one = float(signs.x == signs.y + signs.z);
+   gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-sin.shader_test b/tests/shaders/glsl-const-builtin-sin.shader_test
new file mode 100644
index 00000000..68475528
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-sin.shader_test
@@ -0,0 +1,20 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float one = sin(1.5707963267949);
+   gl_FragColor = vec4(0, one, 0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-sqrt.shader_test b/tests/shaders/glsl-const-builtin-sqrt.shader_test
new file mode 100644
index 00000000..cbcb9214
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-sqrt.shader_test
@@ -0,0 +1,21 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main()
+{
+    const float one = sqrt(16) - 3;
+    gl_FragColor = vec4(0.0, one, 0.0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0
diff --git a/tests/shaders/glsl-const-builtin-tan.shader_test b/tests/shaders/glsl-const-builtin-tan.shader_test
new file mode 100644
index 00000000..af7f4bdf
--- /dev/null
+++ b/tests/shaders/glsl-const-builtin-tan.shader_test
@@ -0,0 +1,20 @@
+[require]
+GL >= 2.0
+GLSL >= 1.20
+
+[vertex shader file]
+glsl-mvp.vert
+
+[fragment shader]
+#version 120
+void main() {
+   const float one = tan(0.785398163397448);
+   gl_FragColor = vec4(0, one, 0, one);
+}
+
+[test]
+clear color 0.0 0.0 0.0 0.0
+clear
+ortho
+draw rect 10 10 10 10
+probe rgb 15 15 0.0 1.0 0.0