LumixEngine/data/pipelines/ssao_blit.shd

include "pipelines/common.glsl"


compute_shader [[
	layout(local_size_x = 16, local_size_y = 16, local_size_z = 1) in;

	layout (binding=0) uniform sampler2D u_ssao_buf;
	layout (binding=1, rgba8) uniform image2D u_gbuffer2;
	
	layout(std140, binding = 4) uniform Data {
		vec4 u_size;
	};

	void main()
	{
		ivec2 ij = ivec2(gl_GlobalInvocationID.xy);
		float ssao = texture(u_ssao_buf, vec2(ij) / u_size.xy).x;
		vec4 v = imageLoad(u_gbuffer2, ij);
		v.z *= ssao;
		imageStore(u_gbuffer2, ij, v);
	}
]]