| 1 | |
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| 2 | // Shadow Caster __________________________________________________ |
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| 3 | |
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| 4 | |
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| 5 | vertex_program VarianceShadowMapping/ShadowCasterVP cg |
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| 6 | { |
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| 7 | source varianceshadowcastervp.cg |
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| 8 | entry_point main |
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| 9 | profiles arbvp1 vs_2_x |
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| 10 | |
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| 11 | default_params |
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| 12 | { |
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| 13 | param_named_auto uModelViewProjection worldviewproj_matrix |
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| 14 | } |
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| 15 | } |
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| 16 | |
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| 17 | fragment_program VarianceShadowMapping/ShadowCasterFP cg |
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| 18 | { |
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| 19 | source varianceshadowcasterfp.cg |
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| 20 | entry_point main |
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| 21 | profiles arbfp1 ps_2_x |
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| 22 | |
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| 23 | default_params |
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| 24 | { |
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| 25 | param_named uDepthOffset float 1.0 |
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| 26 | param_named_auto uProjection projection_matrix |
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| 27 | } |
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| 28 | } |
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| 29 | |
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| 30 | material VarianceShadowMapping/ShadowCaster |
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| 31 | { |
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| 32 | technique default |
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| 33 | { |
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| 34 | // Z-write only pass |
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| 35 | pass Z-write |
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| 36 | { |
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| 37 | //Instead of using depth_bias, we'll be implementing it manually |
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| 38 | |
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| 39 | vertex_program_ref VarianceShadowMapping/ShadowCasterVP |
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| 40 | { |
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| 41 | } |
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| 42 | fragment_program_ref VarianceShadowMapping/ShadowCasterFP |
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| 43 | { |
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| 44 | } |
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| 45 | } |
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| 46 | } |
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| 47 | } |
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| 48 | |
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| 49 | |
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| 50 | |
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| 51 | // Shadow Receiver ________________________________________________ |
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| 52 | |
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| 53 | vertex_program VarianceShadowMapping/ShadowReceiverVP cg |
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| 54 | { |
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| 55 | source varianceshadowreceivervp.cg |
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| 56 | entry_point main |
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| 57 | profiles arbvp1 vs_2_x |
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| 58 | |
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| 59 | default_params |
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| 60 | { |
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| 61 | param_named_auto uModelViewProjection worldviewproj_matrix |
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| 62 | param_named_auto uLightPosition light_position_object_space 0 |
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| 63 | param_named_auto uModel world_matrix |
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| 64 | param_named_auto uTextureViewProjection texture_viewproj_matrix |
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| 65 | } |
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| 66 | } |
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| 67 | |
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| 68 | fragment_program VarianceShadowMapping/ShadowReceiverFP cg |
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| 69 | { |
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| 70 | source varianceshadowreceiverfp.cg |
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| 71 | entry_point main |
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| 72 | profiles arbfp1 ps_2_x |
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| 73 | |
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| 74 | default_params |
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| 75 | { |
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| 76 | param_named uSTexWidth float 512.0 |
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| 77 | param_named uSTexHeight float 512.0 |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | material VarianceShadowMapping/ShadowReceiver |
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| 82 | { |
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| 83 | technique default |
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| 84 | { |
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| 85 | pass lighting |
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| 86 | { |
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| 87 | vertex_program_ref VarianceShadowMapping/ShadowReceiverVP |
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| 88 | { |
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| 89 | } |
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| 90 | |
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| 91 | fragment_program_ref VarianceShadowMapping/ShadowReceiverFP |
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| 92 | { |
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| 93 | } |
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| 94 | |
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| 95 | // we won't rely on hardware specific filtering of z-tests |
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| 96 | texture_unit ShadowMap |
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| 97 | { |
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| 98 | tex_address_mode clamp |
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| 99 | filtering none |
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| 100 | } |
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| 101 | } |
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| 102 | } |
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| 103 | } |
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