I have trouble getting VTF to work. What I have is a texture (pAnimationTexture) created in the default pool that will be sampled by the vertex shader. And I have another texture (pTempTexture) created in the systemmem pool, otherwise they are identical. The format is D3DFMT_A32B32G32R32F.
I have a test matrix I want to get to the vertex shader without using the Float Constant Registers (once I get this working I will start passing arrays of skinning data this way). This test matrix I fill with values such that it will be recognizeable in PIX.
I lock the texture located in the systemmem pool and memcpy the matrix into the texture, then unlock.
I use the IDirect3DDevice9::UpdateTexture method on the two textures since locking won't work on the texture in the default pool. This transfers the matrix to the texture which I sample.
My problem is that I don't get the right value when debugging in PIX. I expect to get my values but instead the first four floats of the sample is "r2 (0.000, 0.000, 0.000, 1.000) float4"
Hope someone here can see my errors.
VS:
// Vertex shader input structure
struct VS_INPUT
{
float4 Position : POSITION;
float2 Texture : TEXCOORD0;
};
// Vertex shader output structure
struct VS_OUTPUT
{
float4 Position : POSITION;
float2 Texture : TEXCOORD0;
};
// Global variables
float4x4 World;
float4x4 ViewProj;
sampler2D Tex1 : register(s1);
VS_OUTPUT vs_main( in VS_INPUT In )
{
VS_OUTPUT Out; //create an output vertex
float4x4 WorldViewProj = mul(World, ViewProj);
Out.Position = mul(In.Position, WorldViewProj); //apply vertex transformation
Out.Texture = In.Texture; //copy original texcoords
float4 SampleBone = tex2Dlod(Tex1, float4(0.5/480.0, 0.5/100.0, 0, 0));
float temp2 = SampleBone[0] + SampleBone[1] + SampleBone[2] + SampleBone[3];
Out.Texture.y += temp2 * 0.00001;
return Out; //return output vertex
}
// Parameters:
//
// sampler2D Tex1;
// float4x4 ViewProj;
// float4x4 World;
//
//
// Registers:
//
// Name Reg Size
// ------------ ----- ----
// World c0 4
// ViewProj c4 4
// Tex1 s1 1
//
vs_3_0
def c8, 0.00104166672, 0.00499999989, 0, 9.99999975e-006
dcl_position v0 // In<0,1,2,3>
dcl_texcoord v1 // In<4,5>
dcl_2d s1
dcl_position o0
dcl_texcoord o1.xy
mov r0, c0 // ::World<0,4,8,12>
mul r1, r0, c4.x
mov r2, c1 // ::World<1,5,9,13>
mul r3, r2, c4.y
add r1, r1, r3
mov r3, c2 // ::World<2,6,10,14>
mul r4, r3, c4.z
add r1, r1, r4
mov r4, c3 // ::World<3,7,11,15>
mul r5, r4, c4.w
add r1, r1, r5 // ::WorldViewProj<0,4,8,12>
mul r5, r0, c5.x
mul r6, r2, c5.y
add r5, r5, r6
mul r6, r3, c5.z
add r5, r5, r6
mul r6, r4, c5.w
add r5, r5, r6 // ::WorldViewProj<1,5,9,13>
mul r6, r0, c6.x
mul r7, r2, c6.y
add r6, r6, r7
mul r7, r3, c6.z
add r6, r6, r7
mul r7, r4, c6.w
add r6, r6, r7 // ::WorldViewProj<2,6,10,14>
mul r0, r0, c7.x
mul r2, r2, c7.y
add r0, r0, r2
mul r2, r3, c7.z
add r0, r0, r2
mul r2, r4, c7.w
add r0, r0, r2 // ::WorldViewProj<3,7,11,15>
dp4 r1.x, v0, r1 // ::Out<0>
dp4 r1.y, v0, r5 // ::Out<1>
dp4 r1.z, v0, r6 // ::Out<2>
dp4 r1.w, v0, r0 // ::Out<3>
mov r0.xy, v1 // ::Out<4,5>
texldl r2, c8.xyzz, s1 // ::SampleBone<0,1,2,3>
add r0.z, r2.y, r2.x
add r0.z, r2.z, r0.z
add r0.z, r2.w, r0.z // ::temp2<0>
mul r0.z, r0.z, c8.w
add r0.y, r0.z, r0.y // ::Out<5>
mov o0, r1 // ::vs_main<0,1,2,3>
mov o1.x, r0.x // ::vs_main<4>
mov o1.y, r0.y // ::vs_main<5>
// approximately 47 instruction slots used (2 texture, 45 arithmetic)
Before render:
hr = pTempTexture->LockRect(0,&rc,NULL,0); //Might pass flag D3DLOCK_DISCARD
if(hr==D3D_OK)
{
memcpy(rc.pBits, pTestMatrix, sizeof(D3DXMATRIX));
pTempTexture->UnlockRect(0);
}
pGraphicsDevice->GetDevice()->UpdateTexture(pTempTexture, pAnimationTexture);
pGraphicsDevice->GetDevice()->SetTexture(1, pAnimationTexture);
pGraphicsDevice->GetDevice()->SetSamplerState(1, D3DSAMP_MAXANISOTROPY, 1); // anisotropic level
pGraphicsDevice->GetDevice()->SetSamplerState(1, D3DSAMP_MINFILTER, D3DTEXF_POINT); // minification
pGraphicsDevice->GetDevice()->SetSamplerState(1, D3DSAMP_MAGFILTER, D3DTEXF_POINT); // magnification
pGraphicsDevice->GetDevice()->SetSamplerState(1, D3DSAMP_MIPFILTER, D3DTEXF_NONE); // No mipmaps
