Shadows - need to fix frame buffers

HydraEngine/source/ShaderFiles/deferred_output_shader.frag

@@ -45,7 +45,7 @@ layout(binding = 1) uniform uniform_output_textures
 	uint texture_ids[16];
 };
 
-layout(binding = 1) readonly buffer PositionsBuffer 
+layout(std430, binding = 1) readonly buffer PositionsBuffer 
 {
 	mat4 model_matrix[];
 };

HydraEngine/source/ShaderFiles/deferred_output_shader.vert

@@ -9,7 +9,7 @@ layout(binding = 0) uniform uniform_per_frame
 	uint light_count;
 } ubo_per_frame;
 
-layout(binding = 1) readonly buffer PositionsBuffer 
+layout(std430, binding = 1) readonly buffer PositionsBuffer 
 {
 	mat4 model_matrix[];
 };

HydraEngine/source/ShaderFiles/deferred_shader.vert

@@ -9,7 +9,7 @@ layout(binding = 0) uniform uniform_per_frame
 	uint light_count;
 } ubo_per_frame;
 
-layout(binding = 1) readonly buffer PositionsBuffer 
+layout(std430, binding = 1) readonly buffer PositionsBuffer 
 {
 	mat4 model_matrix[];
 };

HydraEngine/source/ShaderFiles/shadow_shader.frag

@@ -0,0 +1,17 @@
+//*PIXEL*
+#version 450
+
+#extension GL_EXT_scalar_block_layout : enable
+#extension GL_EXT_nonuniform_qualifier : enable
+
+const uint DIRECTIONAL_LIGHT = 1;
+const uint POINT_LIGHT = 2;
+const uint SPOT_LIGHT = 3;
+
+
+
+void main() 
+{
+	
+	//gl_FragDepth = gl_FragCoord.z;	
+}

HydraEngine/source/ShaderFiles/shadow_shader.geom

@@ -0,0 +1,45 @@
+#version 450
+
+layout(triangles, invocations = 6) in;
+layout(triangle_strip, max_vertices = 3) out;
+
+struct ShadowMapSet
+{
+    uint entity_id;
+    uint cascade_count;
+    uint shadow_texture_id;   
+    uint padding0;
+    float near_plane[8];
+    float far_plane[8];
+    mat4 light_space_proj[6];
+    mat4 light_space_view[6];
+};
+	
+
+   
+//Push constants updated for each light
+layout(binding = 0) uniform shadow_per_frame
+{
+	vec3 camera_pos;
+	uint shadow_idxs;
+};
+
+
+layout(std430, binding = 0) readonly buffer ShadowMapSets
+{
+	ShadowMapSet shadows[10];
+};
+
+void main()
+{          
+	for (int i = 0; i < 3; ++i)
+	{
+		
+		gl_Position = shadows[shadow_idxs].light_space_proj[gl_InvocationID] * 
+						  shadows[shadow_idxs].light_space_view[gl_InvocationID] * 
+						  gl_in[i].gl_Position;
+		gl_Layer = gl_InvocationID;
+		EmitVertex();
+	}
+	EndPrimitive();
+}  

HydraEngine/source/ShaderFiles/shadow_shader.vert

@@ -0,0 +1,23 @@
+//*VERTEX*
+#version 450
+#extension GL_EXT_buffer_reference : enable
+
+layout(binding = 1) readonly buffer PositionsBuffer 
+{
+	mat4 model_matrix[];
+};
+
+layout (location = 0) in vec3 inPos; 		//12 bytes : 0
+layout (location = 1) in vec2 inUV;  		//8 Bytes  : 12
+layout (location = 2) in uvec3 inChunkID; 	//12 Bytes : 20
+layout (location = 3) in vec3 inNormal;  	//8 Bytes  : 12 
+layout (location = 4) in vec3 inBiTangent;
+layout (location = 5) in vec3 inTangent;
+
+void main() 
+{  
+	
+	 uint chunkid = inChunkID[0];
+	 mat4 model = model_matrix[chunkid];
+	 gl_Position = model * vec4(inPos, 1.0);
+}