Lights

HydraEngine/source/ShaderFiles/shadow_cascade_shader.frag

@@ -0,0 +1,66 @@
+//*PIXEL*
+#version 460
+
+#extension GL_ARB_bindless_texture : require
+
+const uint DIRECTIONAL_LIGHT = 1;
+const uint POINT_LIGHT = 2;
+const uint SPOT_LIGHT = 3;
+uint INVALID_HYDRA_ID = 4294967295;
+
+struct MaterialStore
+{
+	vec4 diffuse_colour;	
+	vec4 matalic_rough;	 
+    uint diffuse_texture_id;
+    uint metallic_rough_texture_id;
+    uint normal_texture_id;
+	uint padding[1];
+};
+
+layout(std430, binding = 2) readonly buffer material_buffer
+{
+	MaterialStore materials[1000];
+};
+
+layout(std430, binding = 3) readonly buffer texture_buffer 
+{
+    uvec2 textures[1000];
+};
+
+layout (location=0) in GEOM_OUT
+{
+	vec2 vsUV;
+    flat uint vsMaterialID;
+}geom_out;
+
+layout (location=0) out vec4 output_colour;
+
+void main() 
+{
+    MaterialStore mat = materials[geom_out.vsMaterialID];
+	vec4 diffuse_val = mat.diffuse_colour;
+
+    output_colour = vec4(1,0,0,1);
+    
+    if(mat.diffuse_texture_id != INVALID_HYDRA_ID)
+	{
+        output_colour =  vec4(0,1,0,1);
+		uvec2 diffuse_handle = textures[mat.diffuse_texture_id];
+		diffuse_val = diffuse_val * texture(sampler2D(diffuse_handle), geom_out.vsUV.xy);	
+        if(mat.diffuse_texture_id== 10)
+        {
+                output_colour = vec4(0,0,1,1);
+        }
+	}
+
+    if(diffuse_val[3] < 1.0)
+	{
+        discard;
+		output_colour = vec4(0,1,1,1);
+	}
+    // Calculate the accurate, unclamped distance from the light source
+    // output_colour = diffuse_val;
+    // output_colour = vec4(geom_out.vsUV, 1,1);
+
+}