demos: Add shader source files for cube demo

2 files changed, 30 insertions, 0 deletions

diff --git a/demos/cube.frag b/demos/cube.frag
new file mode 100644
index 00000000..2b68dc77
--- /dev/null
+++ b/demos/cube.frag
@@ -0,0 +1,12 @@
+/*
+ * Fragment shader for cube demo
+ */
+#version 140
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+layout (binding = 0) uniform sampler2D tex;
+
+layout (location = 0) in vec4 texcoord;
+void main() {
+   gl_FragColor = texture(tex, texcoord.xy);
+}
diff --git a/demos/cube.vert b/demos/cube.vert
new file mode 100644
index 00000000..5898c1fd
--- /dev/null
+++ b/demos/cube.vert
@@ -0,0 +1,18 @@
+/*
+ * Vertex shader used by Cube demo.
+ */
+#version 140
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+layout(binding = 0) uniform buf {
+        mat4 MVP;
+        vec4 position[12*3];
+        vec4 attr[12*3];
+} ubuf;
+
+layout (location = 0) out vec4 texcoord;
+void main() 
+{
+   texcoord = ubuf.attr[gl_VertexID];
+   gl_Position = ubuf.MVP * ubuf.position[gl_VertexID];
+}