1 files changed, 109 insertions, 0 deletions
diff --git a/chromium/third_party/glslang/src/Test/precise.tesc b/chromium/third_party/glslang/src/Test/precise.tesc
new file mode 100644
index 00000000000..c541540cbbb
--- /dev/null
+++ b/chromium/third_party/glslang/src/Test/precise.tesc
@@ -0,0 +1,109 @@
+#version 450
+#extension GL_EXT_tessellation_shader : require
+#extension GL_EXT_gpu_shader5 : require
+
+float minimal() {
+  precise float result = 5.0;
+  float a = 10.0;
+  float b = 20.0;
+  float c = 30.0;
+  float d = 40.0;
+  result = a * b + c * d; //  c * d, a * b and rvalue1 + rvalue2 should be 'noContraction'.
+  return result;
+}
+
+void continuous_assignment() {
+  precise float result = 5.0;
+  float a = 10.0;
+  float b = 20.0;
+  result = a = b + 4; // b + 4 should be 'noContraction'.
+}
+
+void convert() {
+  precise double result;
+  float a = 10.0;
+  float b = 20.0;
+  b = a + b; //  a + b should be 'noContraction'.
+  result  = double(b); // convert operation should not be 'noContraction'.
+}
+
+float loop_for() {
+  precise float r1 = 5.0;
+  precise float r2 = 10.0;
+  int a = 10;
+  int b = 20;
+  int c = 30;
+  for (int i = 0; i < a; i++) {
+    r1 += 3.12 + b + i; // 'noContration', this make i++ also 'noContraction'
+    c += 1; // 'noContration'
+  }
+  a += 1; // a + 1 should not be 'noContraction'.
+  r2 = c; // The calculation of c should be 'noContration'.
+  return float(r1 + r2); // conversion should not be 'noContration'.
+}
+
+void loop_array(void) {
+  precise float result;
+
+  int x = 22;
+  int y = 33;
+
+  float a0[3];
+  result += float(x) + float(y); // x + y should be 'noContraction' also result + rvalue.
+
+  for (int i = 0; i < 3; ++i) {
+    // a's dereference + 2 should be 'noContraction'.
+    result += a0[i] + 2;
+    // result + 1 and 3 - rvalue should be 'noContraction'.
+    a0[i] = 3 - result++;
+  }
+}
+
+void loop_while() {
+  precise float result = 5.0;
+  int a = 10;
+  int b = 20;
+  while (result < 10) {
+    result += 3.12 + b; // result + 3.12 should be 'noContraction'.
+  }
+  result = a + b + 5; // b + 5 should not be 'noCtraction' because all operands are integers.
+  result = 11.1;
+}
+
+float fma_not_decorated() {
+    precise float result;
+    float a = 1.0;
+    float b = 2.0;
+    float c = 3.0;
+    b = b + c; // b + c should be decorated with 'noContraction'
+    result = fma(a, b, c); // fma() should not be decorated with 'noContradtion'
+    return result;
+}
+
+precise float precise_return_exp_func() {
+  float a = 1.0;
+  float b = 2.0;
+  return a + b; // the ADD operation should be 'noContraction'
+}
+
+precise float precise_return_val_func() {
+  float a = 1.0;
+  float b = 2.0;
+  float result = a + b; // the ADD operation should be 'noContraction'
+  return result;
+}
+
+float precise_func_parameter(float b, precise out float c) {
+  float a = 0.5;
+  c = a + b; // noContration
+  return a - b; // Not noContraction
+}
+
+mat3 matrix (mat2x3 a, mat3x2 b) {
+  mat2x3 c = mat2x3(1.0, 2.0, 3.0, 4.0, 5.0, 6.0);
+  precise mat3 result;
+  result = (a + c) * b; // should be noContraction
+  return result;
+}
+
+void main(){}