| #version 310 es |
| |
| layout (local_size_x = 8, local_size_y = 8) in; |
| |
| layout (binding = 0) readonly buffer In0BufY { |
| uvec2 data[]; |
| } in0_buf_y; |
| |
| layout (binding = 1) readonly buffer In0BufUV { |
| uvec2 data[]; |
| } in0_buf_uv; |
| |
| layout (binding = 2) readonly buffer In1BufY { |
| uvec2 data[]; |
| } in1_buf_y; |
| |
| layout (binding = 3) readonly buffer In1BufUV { |
| uvec2 data[]; |
| } in1_buf_uv; |
| |
| layout (binding = 4) writeonly buffer OutBufY { |
| uvec2 data[]; |
| } out_buf_y; |
| |
| layout (binding = 5) writeonly buffer OutBufUV { |
| uvec2 data[]; |
| } out_buf_uv; |
| |
| layout (binding = 6) readonly buffer MaskBuf { |
| uvec2 data[]; |
| } mask_buf; |
| |
| uniform uint in_img_width; |
| |
| void main () |
| { |
| uvec2 g_id = gl_GlobalInvocationID.xy; |
| g_id.x = clamp (g_id.x, 0u, in_img_width - 1u); |
| |
| uvec2 mask = mask_buf.data[g_id.x]; |
| vec4 mask0 = unpackUnorm4x8 (mask.x); |
| vec4 mask1 = unpackUnorm4x8 (mask.y); |
| |
| uint y_idx = g_id.y * 2u * in_img_width + g_id.x; |
| uvec2 in0_y = in0_buf_y.data[y_idx]; |
| vec4 in0_y0 = unpackUnorm4x8 (in0_y.x); |
| vec4 in0_y1 = unpackUnorm4x8 (in0_y.y); |
| |
| uvec2 in1_y = in1_buf_y.data[y_idx]; |
| vec4 in1_y0 = unpackUnorm4x8 (in1_y.x); |
| vec4 in1_y1 = unpackUnorm4x8 (in1_y.y); |
| |
| vec4 out_y0 = (in0_y0 - in1_y0) * mask0 + in1_y0; |
| vec4 out_y1 = (in0_y1 - in1_y1) * mask1 + in1_y1; |
| out_y0 = clamp (out_y0, 0.0f, 1.0f); |
| out_y1 = clamp (out_y1, 0.0f, 1.0f); |
| out_buf_y.data[y_idx] = uvec2 (packUnorm4x8 (out_y0), packUnorm4x8 (out_y1)); |
| |
| y_idx += in_img_width; |
| in0_y = in0_buf_y.data[y_idx]; |
| in0_y0 = unpackUnorm4x8 (in0_y.x); |
| in0_y1 = unpackUnorm4x8 (in0_y.y); |
| |
| in1_y = in1_buf_y.data[y_idx]; |
| in1_y0 = unpackUnorm4x8 (in1_y.x); |
| in1_y1 = unpackUnorm4x8 (in1_y.y); |
| |
| out_y0 = (in0_y0 - in1_y0) * mask0 + in1_y0; |
| out_y1 = (in0_y1 - in1_y1) * mask1 + in1_y1; |
| out_y0 = clamp (out_y0, 0.0f, 1.0f); |
| out_y1 = clamp (out_y1, 0.0f, 1.0f); |
| out_buf_y.data[y_idx] = uvec2 (packUnorm4x8 (out_y0), packUnorm4x8 (out_y1)); |
| |
| uint uv_idx = g_id.y * in_img_width + g_id.x; |
| uvec2 in0_uv = in0_buf_uv.data[uv_idx]; |
| vec4 in0_uv0 = unpackUnorm4x8 (in0_uv.x); |
| vec4 in0_uv1 = unpackUnorm4x8 (in0_uv.y); |
| |
| uvec2 in1_uv = in1_buf_uv.data[uv_idx]; |
| vec4 in1_uv0 = unpackUnorm4x8 (in1_uv.x); |
| vec4 in1_uv1 = unpackUnorm4x8 (in1_uv.y); |
| |
| mask0.yw = mask0.xz; |
| mask1.yw = mask1.xz; |
| vec4 out_uv0 = (in0_uv0 - in1_uv0) * mask0 + in1_uv0; |
| vec4 out_uv1 = (in0_uv1 - in1_uv1) * mask1 + in1_uv1; |
| |
| out_uv0 = clamp (out_uv0, 0.0f, 1.0f); |
| out_uv1 = clamp (out_uv1, 0.0f, 1.0f); |
| out_buf_uv.data[uv_idx] = uvec2 (packUnorm4x8 (out_uv0), packUnorm4x8 (out_uv1)); |
| } |