The GLSL compiler can easily unroll this loop and simplify the function
down to a single assignment. That defeats the purpose of the test.
Replace literals with uniforms to prevent unrolling.
---
tests/shaders/glsl-vs-loop-break.shader_test | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tests/shaders/glsl-vs-loop-break.shader_test
b/tests/shaders/glsl-vs-loop-break.shader_test
index cb8dbee..66cfeb2 100644
--- a/tests/shaders/glsl-vs-loop-break.shader_test
+++ b/tests/shaders/glsl-vs-loop-break.shader_test
@@ -3,12 +3,14 @@ GLSL >= 1.10
[vertex shader]
varying vec4 color;
+uniform int iters;
+uniform int target;
void main()
{
gl_Position = gl_Vertex;
- for (int i = 0; i < 8; i++) {
- if (i > 4) {
+ for (int i = 0; i < iters; i++) {
+ if (i > target) {
color = vec4(0.0, 1.0, 0.0, 0.0);
break;
}
@@ -24,5 +26,7 @@ void main()
}
[test]
+uniform int iters 8
+uniform int target 4
draw rect -1 -1 2 2
relative probe rgb (0.03, 0.25) (0.0, 1.0, 0.0)
--
2.7.4
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