[Piglit] [PATCH 3/3] arb_enhanced_layouts: xfb_stride layout qualifier compile tests

[Timothy Arceri]

---
 .../xfb_stride/block-explicit-max.vert             | 22 +++++++++++++
 .../xfb_stride/block-explicit-too-large.vert       | 22 +++++++++++++
 .../xfb_stride/global-explicit-max.vert            | 22 +++++++++++++
 .../xfb_stride/global-explicit-too-large.vert      | 22 +++++++++++++
 .../xfb_stride/type-arrays.vert                    | 36 ++++++++++++++++++++++
 .../xfb_stride/types.vert                          | 36 ++++++++++++++++++++++
 .../xfb_stride/variable-explicit-max.vert          | 20 ++++++++++++
 .../xfb_stride/variable-explicit-too-large.vert    | 20 ++++++++++++
 8 files changed, 200 insertions(+)
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-max.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-too-large.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-max.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-too-large.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/type-arrays.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/types.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-max.vert
 create mode 100644 tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-too-large.vert

diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-max.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-max.vert
new file mode 100644
index 0000000..06ba9be
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-max.vert
@@ -0,0 +1,22 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.50
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 150
+#extension GL_ARB_enhanced_layouts: require
+
+layout (xfb_stride = gl_MaxTransformFeedbackInterleavedComponents) out block {
+  vec4 var;
+};
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-too-large.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-too-large.vert
new file mode 100644
index 0000000..7e96e90
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/block-explicit-too-large.vert
@@ -0,0 +1,22 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 150
+#extension GL_ARB_enhanced_layouts: require
+
+layout (xfb_stride = gl_MaxTransformFeedbackInterleavedComponents + 1) out block {
+  vec4 var;
+};
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-max.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-max.vert
new file mode 100644
index 0000000..58c79c2
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-max.vert
@@ -0,0 +1,22 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.40
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+
+layout (xfb_stride = gl_MaxTransformFeedbackInterleavedComponents) out;
+
+out vec4 var;
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-too-large.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-too-large.vert
new file mode 100644
index 0000000..c431d79
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/global-explicit-too-large.vert
@@ -0,0 +1,22 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.40
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+
+layout (xfb_stride = gl_MaxTransformFeedbackInterleavedComponents + 1) out;
+
+out vec4 var;
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/type-arrays.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/type-arrays.vert
new file mode 100644
index 0000000..f13e291
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/type-arrays.vert
@@ -0,0 +1,36 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.50
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "Variables and block members qualified with *xfb_offset* can be scalars,
+//    vectors, matrices, structures, and (sized) arrays of these. The offset
+//    must be a multiple of the size of the first component of the first
+//    qualified variable or block member, or a compile-time error results.
+//    Further, if applied to an aggregate containing a double, the offset must
+//    also be a multiple of 8, and the space taken in the buffer will be a
+//    multiple of 8."
+//
+// We take this to mean xfb_stride can also qualify these types.
+
+#version 150
+#extension GL_ARB_enhanced_layouts: require
+
+struct S {
+  vec3 x;
+};
+
+layout(xfb_stride = 4) out float var1[2];
+
+layout(xfb_stride = 8) out vec4 var2[2];
+
+layout(xfb_stride = 64) out mat4 var3[2];
+
+layout(xfb_stride = 12) out S s[2];
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/types.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/types.vert
new file mode 100644
index 0000000..746f20f
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/types.vert
@@ -0,0 +1,36 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.50
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "Variables and block members qualified with *xfb_offset* can be scalars,
+//    vectors, matrices, structures, and (sized) arrays of these. The offset
+//    must be a multiple of the size of the first component of the first
+//    qualified variable or block member, or a compile-time error results.
+//    Further, if applied to an aggregate containing a double, the offset must
+//    also be a multiple of 8, and the space taken in the buffer will be a
+//    multiple of 8."
+//
+// We take this to mean xfb_buffer can also qualify these types.
+
+#version 150
+#extension GL_ARB_enhanced_layouts: require
+
+struct S {
+  vec3 x;
+};
+
+layout(xfb_stride = 4) out float var1;
+
+layout(xfb_stride = 8) out vec4 var2;
+
+layout(xfb_stride = 64) out mat4 var3;
+
+layout(xfb_stride = 12) out S s;
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-max.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-max.vert
new file mode 100644
index 0000000..717244b
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-max.vert
@@ -0,0 +1,20 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.40
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 140
+#extension GL_ARB_enhanced_layouts: require
+
+layout(xfb_stride = gl_MaxTransformFeedbackInterleavedComponents) out vec4 var;
+
+void main()
+{
+}
diff --git a/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-too-large.vert b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-too-large.vert
new file mode 100644
index 0000000..f369b99
--- /dev/null
+++ b/tests/spec/arb_enhanced_layouts/compiler/transform-feedback-layout-qualifiers/xfb_stride/variable-explicit-too-large.vert
@@ -0,0 +1,20 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// require_extensions: GL_ARB_enhanced_layouts
+// [end config]
+//
+// From the GL_ARB_enhanced_layouts spec:
+//
+//    "The resulting stride (implicit or explicit) must be less than or equal
+//    to the implementation-dependent constant
+//    gl_MaxTransformFeedbackInterleavedComponents."
+
+#version 150
+#extension GL_ARB_enhanced_layouts: require
+
+layout(xfb_stride = gl_MaxTransformFeedbackInterleavedComponents + 1) out vec4 var;
+
+void main()
+{
+}
-- 
2.5.0