Move the examples under a qt3d subdir

Modules cannot have their examples in the top-level examples directory because
in the pre-built packages all modules' examples are merged together.

Change-Id: I80fdbb8f1ec6f3d8fd793e4d856e705000237127
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/examples/qt3d/deferred-renderer-cpp/final_gl3.frag b/examples/qt3d/deferred-renderer-cpp/final_gl3.frag
new file mode 100644
index 000000000..88abd5cb1
--- /dev/null
+++ b/examples/qt3d/deferred-renderer-cpp/final_gl3.frag
@@ -0,0 +1,37 @@
+#version 140
+
+uniform sampler2D color;
+uniform sampler2D position;
+uniform sampler2D normal;
+uniform vec2 winSize;
+
+out vec4 fragColor;
+
+struct PointLight
+{
+    vec3 position;
+    vec3 direction;
+    vec4 color;
+    float intensity;
+};
+
+const int lightCount = 3;
+uniform PointLightBlock {
+     PointLight lights[lightCount];
+};
+
+void main()
+{
+    vec2 texCoord = gl_FragCoord.xy / winSize;
+    vec4 col = texture(color, texCoord);
+    vec3 pos = texture(position, texCoord).xyz;
+    vec3 norm = texture(normal, texCoord).xyz;
+
+    vec4 lightColor;
+    for (int i = 0; i < 3; i++) {
+        vec3 s = normalize(lights[i].position - pos);
+        lightColor += lights[i].color * (lights[i].intensity * max(dot(s, norm), 0.0));
+    }
+    lightColor /= float(lightCount);
+    fragColor = col * lightColor;
+}