Directional Shdaows, no alpha

HydraEngine/source/ShaderFiles/texture_debug_shader.frag

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+//*PIXEL*
+#version 450
+
+#extension GL_EXT_scalar_block_layout : enable
+#extension GL_EXT_nonuniform_qualifier : enable
+#extension GL_ARB_bindless_texture : enable
+
+const uint DIRECTIONAL_LIGHT = 1;
+const uint POINT_LIGHT = 2;
+const uint SPOT_LIGHT = 3;
+
+layout( std430, binding = 3) readonly buffer texture_buffer {
+    uvec2 textures[1000];
+};
+
+layout(binding = 0) uniform uniform_per_frame
+{	
+	mat4 view;
+	mat4 proj;	
+    uint shadow_texture_id;
+    vec3 padding0;
+};
+
+layout (location=0) in VS_OUT
+{
+	vec2 vsUV;	
+};
+
+
+layout (location=0) out vec4 output_colour;
+
+void main() 
+{
+    	uvec2 shadow_handle = textures[shadow_texture_id];
+        float colour = texture(sampler2DArray(shadow_handle), vec3(vsUV, 0)).r;
+        //colour = (1.0 - (1.0 - colour) * 1.4);
+        output_colour = vec4(colour, colour, colour, 1.0);			
+        //output_colour = vec4(1,0,0,1);
+}