[Piglit] [PATCH 7/7] arb_enhanced_layouts: add linking tests for component layout qualifier

[Timothy Arceri]

From: Timothy Arceri <timothy.arceri at collabora.com>

---
 .../intrastage-vs-mismatch.shader_test             | 43 +++++++++++++++++++++
 .../component-layout/intrastage-vs.shader_test     | 43 +++++++++++++++++++++
 .../component-layout/vs-to-fs-mismatch.shader_test | 45 ++++++++++++++++++++++
 .../linker/component-layout/vs-to-fs.shader_test   | 45 ++++++++++++++++++++++
 4 files changed, 176 insertions(+)
 create mode 100644 tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs-mismatch.shader_test
 create mode 100644 tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs.shader_test
 create mode 100644 tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs-mismatch.shader_test
 create mode 100644 tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs.shader_test

diff --git a/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs-mismatch.shader_test b/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs-mismatch.shader_test
new file mode 100644
index 0000000..08c1d99
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs-mismatch.shader_test
@@ -0,0 +1,43 @@
+# This test verifies that a link error is generated if intrastage
+# component qualifiers don't match.
+
+[require]
+GLSL >= 1.40
+GL_ARB_enhanced_layouts
+GL_ARB_separate_shader_objects
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume Y/Z/W components of 32 vectors
+layout(location = 0, component = 1) out vec3 a[32];
+
+// consumes X component of first vector
+layout(location = 0, component = 0) out float b;
+
+void f()
+{
+  a[3] = vec3(0.0);
+  b = float(1.0);
+}
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) out vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) out float b;
+
+void main()
+{
+  a[0] = vec3(1.0);
+}
+
+[test]
+link error
diff --git a/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs.shader_test b/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs.shader_test
new file mode 100644
index 0000000..0f0a770
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/linker/component-layout/intrastage-vs.shader_test
@@ -0,0 +1,43 @@
+# This test verifies that a no error is generated if intrastage
+# component qualifiers match.
+
+[require]
+GLSL >= 1.40
+GL_ARB_enhanced_layouts
+GL_ARB_separate_shader_objects
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) out vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) out float b;
+
+void f()
+{
+  a[3] = vec3(0.0);
+  b = float(1.0);
+}
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) out vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) out float b;
+
+void main()
+{
+  a[0] = vec3(1.0);
+}
+
+[test]
+link success
diff --git a/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs-mismatch.shader_test b/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs-mismatch.shader_test
new file mode 100644
index 0000000..d61c6c6
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs-mismatch.shader_test
@@ -0,0 +1,45 @@
+# Test for link error between vertex and fragment shaders when
+# component qualifiers don't match.
+
+[require]
+GLSL >= 1.40
+GL_ARB_enhanced_layouts
+GL_ARB_separate_shader_objects
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) out vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) out float b;
+
+void main()
+{
+  a[0] = vec3(1.0);
+  b = float(0.5);
+}
+
+[fragment shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+out vec4 color;
+
+// consume Y/Z/W components of 32 vectors
+layout(location = 0, component = 1) in vec3 a[32];
+
+// consumes X component of first vector
+layout(location = 0, component = 0) in float b;
+
+void main()
+{
+  color = vec4(b, a[0]);
+}
+
+[test]
+link error
diff --git a/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs.shader_test b/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs.shader_test
new file mode 100644
index 0000000..c1d71e8
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/linker/component-layout/vs-to-fs.shader_test
@@ -0,0 +1,45 @@
+# Test for successful linking between vertex and fragment shaders when
+# component qualifiers match.
+
+[require]
+GLSL >= 1.40
+GL_ARB_enhanced_layouts
+GL_ARB_separate_shader_objects
+
+[vertex shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) out vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) out float b;
+
+void main()
+{
+  a[0] = vec3(1.0);
+  b = float(0.5);
+}
+
+[fragment shader]
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+#extension GL_ARB_separate_shader_objects: require
+
+out vec4 color;
+
+// consume X/Y/Z components of 32 vectors
+layout(location = 0) in vec3 a[32];
+
+// consumes W component of first vector
+layout(location = 0, component = 3) in float b;
+
+void main()
+{
+  color = vec4(b, a[0]);
+}
+
+[test]
+link success
-- 
2.4.3