Initial commit.

code/x_shaders/bump.vsh

@@ -0,0 +1,64 @@
+;------------------------------------------------------------------------------
+; Vertex components (as specified in the vertex DECL)
+;    v0  = pVertex[i].p
+;    v1  = pVertex[i].n
+;    v2  = pVertex[i].t0
+;	 v3  = pVertex[i].t1
+;    v4  = pVertex[i].basis.vTangent;
+;------------------------------------------------------------------------------
+xvs.1.1
+
+#include "../win32/shader_constants.h"
+
+#pragma screenspace
+
+; Transform position for world, view, and projection matrices
+m4x4 oPos, v0, c[CV_WORLDVIEWPROJ_0]
+
+; Multiply by 1/w and add viewport offset.
+; r12 is a read-only alias for oPos.
+rcc r1.x, r12.w
+mad oPos.xyz, r12, r1.x, c[CV_VIEWPORT_OFFSETS]
+
+; Pass thru the base tex coords
+mov oT0, v2
+mov oT1, v3
+
+; Generate binormal vector
+mov r7, v4
+mul r8, r7.yzxw, v1.zxyw
+mad r8, -r7.zxyw, v1.yzxw, r8	
+
+; Get the light vector  
+mov r1, c[CV_LIGHT_DIRECTION]
+
+; Move the point light vector into tangent space
+; Put in tex coord set 2
+dp3 r3.x, r1, v4
+dp3 r3.y, r1, r8
+dp3 r3.z, r1, v1
+
+; Multiply with 0.5 and add 0.5
+; Put it in diffuse
+mad oD0.xyz, r3.xyz, c[CV_HALF].yyyy, c[CV_HALF].yyyy
+
+; Get the vector toward the camera
+mov r2, -c[CV_CAMERA_DIRECTION]	
+
+; Get the half angle
+add r2.xyz, r2.xyz, r1.xyz
+
+; Normalize half angle
+dp3 r11.x, r2.xyz, r2.xyz
+rsq r11.xyz, r11.x
+mul r2.xyz, r2.xyz, r11.xyz
+
+; Move the half angle into tangent space
+; Put in tex coord set 3
+dp3 r3.x, r2, v4
+dp3 r3.y, r2, r8
+dp3 r3.z, r2, v1
+
+; Multiply with 0.5 and add 0.5
+; Put it in specular
+mad oD1.xyz, r3.xyz, c[CV_HALF].yyyy, c[CV_HALF].yyyy