Added conservative rasterization example

Refs #422

data/shaders/conservativeraster/fullscreen.frag

@@ -0,0 +1,11 @@
+#version 450
+
+layout (binding = 1) uniform sampler2D samplerColor;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor =  texture(samplerColor, inUV);
+}

data/shaders/conservativeraster/fullscreen.vert

@@ -0,0 +1,14 @@
+#version 450
+
+layout (location = 0) out vec2 outUV;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+void main() 
+{
+	outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
+	gl_Position = vec4(outUV * 2.0f - 1.0f, 0.0f, 1.0f);
+}

data/shaders/conservativeraster/triangle.frag

@@ -0,0 +1,10 @@
+#version 450
+
+layout (location = 0) in vec3 inColor;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor.rgb = inColor;
+}

data/shaders/conservativeraster/triangle.vert

@@ -0,0 +1,23 @@
+#version 450
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec3 inColor;
+
+layout (binding = 0) uniform UBO
+{
+	mat4 projection;
+	mat4 model;
+} ubo;
+
+layout (location = 0) out vec3 outColor;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+void main() 
+{
+	outColor = inColor;
+	gl_Position = ubo.projection * ubo.model * vec4(inPos, 1.0);
+}

data/shaders/conservativeraster/triangleoverlay.frag

@@ -0,0 +1,8 @@
+#version 450
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	outFragColor.rgb = vec3(1.0, 1.0, 1.0);
+}