From fd12124bf72ea3dd201b1d06f6b26252dc0afaab Mon Sep 17 00:00:00 2001
From: Hans-Kristian Arntzen <hans-kristian.arntzen@arm.com>
Date: Mon, 6 Mar 2017 14:04:01 +0100
Subject: [PATCH] Add tests for legacy I/O flattening.

---
 .../legacy/fragment/io-blocks.legacy.frag       | 12 ++++++++++++
 .../shaders/legacy/vert/io-block.legacy.vert    | 13 +++++++++++++
 shaders/legacy/fragment/io-blocks.legacy.frag   | 16 ++++++++++++++++
 shaders/legacy/vert/io-block.legacy.vert        | 17 +++++++++++++++++
 4 files changed, 58 insertions(+)
 create mode 100644 reference/shaders/legacy/fragment/io-blocks.legacy.frag
 create mode 100644 reference/shaders/legacy/vert/io-block.legacy.vert
 create mode 100644 shaders/legacy/fragment/io-blocks.legacy.frag
 create mode 100644 shaders/legacy/vert/io-block.legacy.vert

diff --git a/reference/shaders/legacy/fragment/io-blocks.legacy.frag b/reference/shaders/legacy/fragment/io-blocks.legacy.frag
new file mode 100644
index 00000000..abcf750a
--- /dev/null
+++ b/reference/shaders/legacy/fragment/io-blocks.legacy.frag
@@ -0,0 +1,12 @@
+#version 100
+precision mediump float;
+precision highp int;
+
+varying vec4 VertexOut_color;
+varying highp vec3 VertexOut_normal;
+
+void main()
+{
+    gl_FragData[0] = VertexOut_color + VertexOut_normal.xyzz;
+}
+
diff --git a/reference/shaders/legacy/vert/io-block.legacy.vert b/reference/shaders/legacy/vert/io-block.legacy.vert
new file mode 100644
index 00000000..b6312369
--- /dev/null
+++ b/reference/shaders/legacy/vert/io-block.legacy.vert
@@ -0,0 +1,13 @@
+#version 100
+
+attribute vec4 Position;
+varying vec4 VertexOut_color;
+varying vec3 VertexOut_normal;
+
+void main()
+{
+    gl_Position = Position;
+    VertexOut_color = vec4(1.0);
+    VertexOut_normal = vec3(0.5);
+}
+
diff --git a/shaders/legacy/fragment/io-blocks.legacy.frag b/shaders/legacy/fragment/io-blocks.legacy.frag
new file mode 100644
index 00000000..0a151dc2
--- /dev/null
+++ b/shaders/legacy/fragment/io-blocks.legacy.frag
@@ -0,0 +1,16 @@
+#version 310 es
+#extension GL_EXT_shader_io_blocks : require
+precision mediump float;
+
+layout(location = 1) in VertexOut
+{
+   vec4 color;
+   highp vec3 normal;
+} vin;
+
+layout(location = 0) out vec4 FragColor;
+
+void main()
+{
+   FragColor = vin.color + vin.normal.xyzz;
+}
diff --git a/shaders/legacy/vert/io-block.legacy.vert b/shaders/legacy/vert/io-block.legacy.vert
new file mode 100644
index 00000000..4fbc9347
--- /dev/null
+++ b/shaders/legacy/vert/io-block.legacy.vert
@@ -0,0 +1,17 @@
+#version 310 es
+#extension GL_EXT_shader_io_blocks : require
+
+layout(location = 0) out VertexOut
+{
+   vec4 color;
+   vec3 normal;
+} vout;
+
+layout(location = 0) in vec4 Position;
+
+void main()
+{
+   gl_Position = Position;
+   vout.color = vec4(1.0);
+   vout.normal = vec3(0.5);
+}