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70 lines
2.0 KiB
70 lines
2.0 KiB
vs.1.1 |
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# DYNAMIC: "DOWATERFOG" "0..1" |
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# DYNAMIC: "SKINNING" "0..1" |
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;------------------------------------------------------------------------------ |
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; Constants specified by the app |
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; c0 = (0, 1, 2, 0.5) |
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; c1 = (1/2.2, 0, 0, 0) |
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; c2 = camera position *in world space* |
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; c4-c7 = modelViewProj matrix (transpose) |
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; c8-c11 = ViewProj matrix (transpose) |
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; c12-c15 = model->view matrix (transpose) |
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; c16 = [fogStart, fogEnd, fogRange, undefined] |
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; |
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; Vertex components (as specified in the vertex DECL) |
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; $vPos = Position |
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; $vTexCoord0.xy = TexCoord0 |
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;------------------------------------------------------------------------------ |
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#include "macros.vsh" |
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; Vertex components |
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; $vPos = Position |
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; $vNormal = normal |
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; $vTexCoord0.xy = TexCoord0 |
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; $vTangentS = S axis of Texture space |
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; $vTangentT = T axis of Texture space |
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;------------------------------------------------------------------------------ |
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; Transform the position from world to view space |
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;------------------------------------------------------------------------------ |
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; Transform position from object to world space |
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alloc $worldPos |
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&SkinPosition( $worldPos ); |
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; Project to view space |
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alloc $projPos |
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dp4 $projPos.x, $worldPos, $cViewProj0 |
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dp4 $projPos.y, $worldPos, $cViewProj1 |
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dp4 $projPos.z, $worldPos, $cViewProj2 |
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dp4 $projPos.w, $worldPos, $cViewProj3 |
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mov oPos, $projPos |
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&CalcFog( $worldPos, $projPos ); |
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alloc $newProjPos |
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mov oPos, $projPos |
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; special case perspective correct texture projection so that the texture fits exactly on the screen |
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mul $projPos.y, $projPos.y, $SHADER_SPECIFIC_CONST_4.w |
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add $projPos.xy, $projPos.xy, $projPos.w |
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mul $projPos.xy, $projPos.xy, $cHalf |
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mov oT0.xy, $projPos.xy |
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mov oT0.z, $cZero |
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mov oT0.w, $projPos.w |
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free $projPos |
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free $worldPos |
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free $newProjPos |
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; alpha map |
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alloc $bumpTexCoord |
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dp4 $bumpTexCoord.x, $vTexCoord0, $SHADER_SPECIFIC_CONST_1 |
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dp4 $bumpTexCoord.y, $vTexCoord0, $SHADER_SPECIFIC_CONST_2 |
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mov oT1.xy, $bumpTexCoord |
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free $bumpTexCoord
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