| 1 | ///////////////////////////////////////////////////////////////////////////////// |
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| 2 | // |
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| 3 | // shadowcastervp.cg |
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| 4 | // |
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| 5 | // Hamilton Chong |
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| 6 | // (c) 2006 |
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| 7 | // |
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| 8 | // This is an example vertex shader for shadow caster objects. |
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| 9 | // |
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| 10 | ///////////////////////////////////////////////////////////////////////////////// |
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| 11 | |
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| 12 | |
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| 13 | // Define inputs from application. |
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| 14 | struct VertexIn |
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| 15 | { |
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| 16 | float4 position : POSITION; // vertex position in object space |
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| 17 | float4 normal : NORMAL; // vertex normal in object space |
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| 18 | }; |
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| 19 | |
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| 20 | // Define outputs from vertex shader. |
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| 21 | struct VertexOut |
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| 22 | { |
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| 23 | float4 position : POSITION; // post projection position coordinates |
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| 24 | float4 pos : TEXCOORD0; // ditto. Not all hardware allows access values bound to POSITION in fp. |
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| 25 | float4 normal : TEXCOORD1; // normal in object space (to be interpolated) |
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| 26 | float4 modelPos : TEXCOORD2; // position in object space (to be interpolated) |
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| 27 | }; |
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| 28 | |
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| 29 | VertexOut main( VertexIn In, // vertex to process |
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| 30 | uniform float4x4 uModelViewProjection // model-view-projection matrix |
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| 31 | ) |
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| 32 | { |
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| 33 | VertexOut Out; // output data |
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| 34 | |
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| 35 | // Transform vertex position into post projective (homogenous screen) space. |
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| 36 | Out.position = mul(uModelViewProjection, In.position); |
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| 37 | Out.pos = mul(uModelViewProjection, In.position); |
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| 38 | |
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| 39 | // copy over data to interpolate using perspective correct interpolation |
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| 40 | Out.normal = float4(In.normal.x, In.normal.y, In.normal.z, 0.0); |
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| 41 | Out.modelPos = In.position; |
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| 42 | |
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| 43 | return Out; |
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| 44 | } |
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| 45 | ///////////////////////////////////////////////////////////////////////////////// |
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| 46 | // |
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| 47 | // shadowcastervp.cg |
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| 48 | // |
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| 49 | // Hamilton Chong |
|---|
| 50 | // (c) 2006 |
|---|
| 51 | // |
|---|
| 52 | // This is an example vertex shader for shadow caster objects. |
|---|
| 53 | // |
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| 54 | ///////////////////////////////////////////////////////////////////////////////// |
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| 55 | |
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| 56 | |
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| 57 | // Define inputs from application. |
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| 58 | struct VertexIn |
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| 59 | { |
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| 60 | float4 position : POSITION; // vertex position in object space |
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| 61 | float4 normal : NORMAL; // vertex normal in object space |
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| 62 | }; |
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| 63 | |
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| 64 | // Define outputs from vertex shader. |
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| 65 | struct VertexOut |
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| 66 | { |
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| 67 | float4 position : POSITION; // post projection position coordinates |
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| 68 | float4 pos : TEXCOORD0; // ditto. Not all hardware allows access values bound to POSITION in fp. |
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| 69 | float4 normal : TEXCOORD1; // normal in object space (to be interpolated) |
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| 70 | float4 modelPos : TEXCOORD2; // position in object space (to be interpolated) |
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| 71 | }; |
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| 72 | |
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| 73 | VertexOut main( VertexIn In, // vertex to process |
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| 74 | uniform float4x4 uModelViewProjection // model-view-projection matrix |
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| 75 | ) |
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| 76 | { |
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| 77 | VertexOut Out; // output data |
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| 78 | |
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| 79 | // Transform vertex position into post projective (homogenous screen) space. |
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| 80 | Out.position = mul(uModelViewProjection, In.position); |
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| 81 | Out.pos = mul(uModelViewProjection, In.position); |
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| 82 | |
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| 83 | // copy over data to interpolate using perspective correct interpolation |
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| 84 | Out.normal = float4(In.normal.x, In.normal.y, In.normal.z, 0.0); |
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| 85 | Out.modelPos = In.position; |
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| 86 | |
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| 87 | return Out; |
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| 88 | } |
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