glsl-1.10: test unreachable code in a loop is not accessed

Submitted by Timothy Arceri on March 21, 2019, 1:38 a.m.

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Message ID 20190321013810.30481-1-tarceri@itsqueeze.com
State New
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Series "glsl-1.10: test unreachable code in a loop is not accessed" ( rev: 1 ) in Piglit

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Commit Message

Timothy Arceri March 21, 2019, 1:38 a.m.
---
 .../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

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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

Comments

Reviewed-by: Tapani Pälli <tapani.palli@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
>