Reviewed-by: Tapani Pälli <tapani.pa...@intel.com>
On 3/21/19 3:38 AM, Timothy Arceri wrote:
---
.../vs-loop-with-dead-code-unroll.shader_test | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644
tests/spec/glsl-1.10/execution/vs-loop-with-dead-code-unroll.shader_test
diff --git
a/tests/spec/glsl-1.10/execution/vs-loop-with-dead-code-unroll.shader_test
b/tests/spec/glsl-1.10/execution/vs-loop-with-dead-code-unroll.shader_test
new file mode 100644
index 000000000..780dd6428
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/vs-loop-with-dead-code-unroll.shader_test
@@ -0,0 +1,43 @@
+# Tests that unreachable code in a loop doesn't get accessed.
+[require]
+GLSL >= 1.10
+
+[vertex shader]
+uniform int loop_count;
+
+void main()
+{
+ vec4 colour_array[4];
+
+ colour_array[0] = vec4(0.25, 0.0, 0.0, 1.0);
+ colour_array[1] = vec4(0.5, 0.0, 0.0, 1.0);
+ colour_array[2] = vec4(0.75, 0.0, 0.0, 1.0);
+ colour_array[3] = vec4(1.0, 0.0, 0.0, 1.0);
+
+ gl_Position = gl_Vertex;
+
+ vec4 colour = vec4(0.0, 1.0, 0.0, 1.0);
+ for (int i = 0; i < 4; i++) {
+ if (i < loop_count)
+ continue;
+ else
+ break;
+
+ colour = colour_array[i];
+ }
+
+ gl_FrontColor = colour;
+}
+
+[fragment shader]
+void main()
+{
+ gl_FragColor = gl_Color;
+}
+
+[test]
+clear color 0.5 0.5 0.5 0.5
+
+uniform int loop_count 4
+draw rect -1 -1 2 2
+probe all rgba 0.0 1.0 0.0 1.0
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