Reviewed-by: Timothy Arceri <[email protected]>
On 7/2/19 2:52 am, Andres Gomez wrote:
From the GL_ARB_enhanced_layouts spec:
" No aliasing in output buffers is allowed: It is a compile-time or
link-time error to specify variables with overlapping transform
feedback offsets."
v2: added forgotten check_link.
Cc: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
---
.../xfb_offset/invalid-overlap.vert | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644
tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_offset/invalid-overlap.vert
diff --git
a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_offset/invalid-overlap.vert
b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_offset/invalid-overlap.vert
new file mode 100644
index 000000000..5e8adc154
--- /dev/null
+++
b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_offset/invalid-overlap.vert
@@ -0,0 +1,24 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.40
+// check_link: true
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+// " No aliasing in output buffers is allowed: It is a compile-time
+// or link-time error to specify variables with overlapping
+// transform feedback offsets."
+
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+
+layout(xfb_offset = 0) out vec4 a;
+layout(xfb_offset = 0) out vec4 b;
+
+void main()
+{
+ a = vec4(1.0);
+ b = vec4(0.0);
+}
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