您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
182 行
5.3 KiB
182 行
5.3 KiB
struct VaryingsToPS
|
|
{
|
|
VaryingsMeshToPS vmesh;
|
|
#ifdef VARYINGS_NEED_PASS
|
|
VaryingsPassToPS vpass;
|
|
#endif
|
|
};
|
|
|
|
struct PackedVaryingsToPS
|
|
{
|
|
PackedVaryingsMeshToPS vmesh;
|
|
#ifdef VARYINGS_NEED_PASS
|
|
PackedVaryingsPassToPS vpass;
|
|
#endif
|
|
};
|
|
|
|
PackedVaryingsToPS PackVaryingsToPS(VaryingsToPS input)
|
|
{
|
|
PackedVaryingsToPS output;
|
|
output.vmesh = PackVaryingsMeshToPS(input.vmesh);
|
|
#ifdef VARYINGS_NEED_PASS
|
|
output.vpass = PackVaryingsPassToPS(input.vpass);
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
#ifdef TESSELLATION_ON
|
|
|
|
|
|
struct VaryingsToDS
|
|
{
|
|
VaryingsMeshToDS vmesh;
|
|
#ifdef VARYINGS_NEED_PASS
|
|
VaryingsPassToDS vpass;
|
|
#endif
|
|
};
|
|
|
|
struct PackedVaryingsToDS
|
|
{
|
|
PackedVaryingsMeshToDS vmesh;
|
|
#ifdef VARYINGS_NEED_PASS
|
|
PackedVaryingsPassToDS vpass;
|
|
#endif
|
|
};
|
|
|
|
PackedVaryingsToDS PackVaryingsToDS(VaryingsToDS input)
|
|
{
|
|
PackedVaryingsToDS output;
|
|
output.vmesh = PackVaryingsMeshToDS(input.vmesh);
|
|
#ifdef VARYINGS_NEED_PASS
|
|
output.vpass = PackVaryingsPassToDS(input.vpass);
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
VaryingsToDS UnpackVaryingsToDS(PackedVaryingsToDS input)
|
|
{
|
|
VaryingsToDS output;
|
|
output.vmesh = UnpackVaryingsMeshToDS(input.vmesh);
|
|
#ifdef VARYINGS_NEED_PASS
|
|
output.vpass = UnpackVaryingsPassToDS(input.vpass);
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
VaryingsToDS InterpolateWithBaryCoordsToDS(VaryingsToDS input0, VaryingsToDS input1, VaryingsToDS input2, float3 baryCoords)
|
|
{
|
|
VaryingsToDS output;
|
|
|
|
output.vmesh = InterpolateWithBaryCoordsMeshToDS(input0.vmesh, input1.vmesh, input2.vmesh, baryCoords);
|
|
#ifdef VARYINGS_NEED_PASS
|
|
output.vpass = InterpolateWithBaryCoordsPassToDS(input0.vpass, input1.vpass, input2.vpass, baryCoords);
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
#endif // TESSELLATION_ON
|
|
|
|
#ifdef TESSELLATION_ON
|
|
#define VaryingsType VaryingsToDS
|
|
#define VaryingsMeshType VaryingsMeshToDS
|
|
#define PackedVaryingsType PackedVaryingsToDS
|
|
#define PackVaryingsType PackVaryingsToDS
|
|
#else
|
|
#define VaryingsType VaryingsToPS
|
|
#define VaryingsMeshType VaryingsMeshToPS
|
|
#define PackedVaryingsType PackedVaryingsToPS
|
|
#define PackVaryingsType PackVaryingsToPS
|
|
#endif
|
|
|
|
// TODO: Here we will also have all the vertex deformation (GPU skinning, vertex animation, morph target...) or we will need to generate a compute shaders instead (better! but require work to deal with unpacking like fp16)
|
|
VaryingsMeshType VertMesh(AttributesMesh input)
|
|
{
|
|
VaryingsMeshType output;
|
|
|
|
#if defined(TESSELLATION_ON)
|
|
output.positionWS = TransformObjectToWorld(input.positionOS);
|
|
// TODO deal with camera center rendering and instancing (This is the reason why we always perform tow steps transform to clip space + instancing matrix)
|
|
#if defined(VARYINGS_NEED_TANGENT_TO_WORLD) || defined(VARYINGS_DS_NEED_NORMAL)
|
|
output.normalWS = TransformObjectToWorldNormal(input.normalOS);
|
|
#endif
|
|
#if defined(VARYINGS_NEED_TANGENT_TO_WORLD) || defined(VARYINGS_DS_NEED_TANGENT)
|
|
output.tangentWS = float4(TransformObjectToWorldDir(input.tangentOS.xyz), input.tangentOS.w);
|
|
#endif
|
|
#else
|
|
float3 positionWS = TransformObjectToWorld(input.positionOS);
|
|
// TODO deal with camera center rendering and instancing (This is the reason why we always perform tow steps transform to clip space + instancing matrix)
|
|
#ifdef VARYINGS_NEED_POSITION_WS
|
|
output.positionWS = positionWS;
|
|
#endif
|
|
output.positionCS = TransformWorldToHClip(positionWS);
|
|
#ifdef VARYINGS_NEED_TANGENT_TO_WORLD
|
|
float3 normalWS = TransformObjectToWorldNormal(input.normalOS);
|
|
float4 tangentWS = float4(TransformObjectToWorldDir(input.tangentOS.xyz), input.tangentOS.w);
|
|
|
|
float3x3 tangentToWorld = CreateTangentToWorld(normalWS, tangentWS.xyz, tangentWS.w);
|
|
output.tangentToWorld[0] = tangentToWorld[0];
|
|
output.tangentToWorld[1] = tangentToWorld[1];
|
|
output.tangentToWorld[2] = tangentToWorld[2];
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(VARYINGS_NEED_TEXCOORD0) || defined(VARYINGS_DS_NEED_TEXCOORD0)
|
|
output.texCoord0 = input.uv0;
|
|
#endif
|
|
#if defined(VARYINGS_NEED_TEXCOORD1) || defined(VARYINGS_DS_NEED_TEXCOORD1)
|
|
output.texCoord1 = input.uv1;
|
|
#endif
|
|
#if defined(VARYINGS_NEED_TEXCOORD2) || defined(VARYINGS_DS_NEED_TEXCOORD2)
|
|
output.texCoord2 = input.uv2;
|
|
#endif
|
|
#if defined(VARYINGS_NEED_TEXCOORD3) || defined(VARYINGS_DS_NEED_TEXCOORD3)
|
|
output.texCoord3 = input.uv3;
|
|
#endif
|
|
#if defined(VARYINGS_NEED_COLOR) || defined(VARYINGS_DS_NEED_COLOR)
|
|
output.color = input.color;
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
#ifdef TESSELLATION_ON
|
|
|
|
VaryingsMeshToPS VertMeshTesselation(VaryingsMeshToDS input)
|
|
{
|
|
VaryingsMeshToPS output;
|
|
|
|
#ifdef VARYINGS_NEED_POSITION_WS
|
|
output.positionWS = input.positionWS;
|
|
#endif
|
|
output.positionCS = TransformWorldToHClip(input.positionWS);
|
|
#ifdef VARYINGS_NEED_TANGENT_TO_WORLD
|
|
float3x3 tangentToWorld = CreateTangentToWorld(input.normalWS, input.tangentWS.xyz, input.tangentWS.w);
|
|
output.tangentToWorld[0] = tangentToWorld[0];
|
|
output.tangentToWorld[1] = tangentToWorld[1];
|
|
output.tangentToWorld[2] = tangentToWorld[2];
|
|
#endif
|
|
|
|
#ifdef VARYINGS_NEED_TEXCOORD0
|
|
output.texCoord0 = input.texCoord0;
|
|
#endif
|
|
#ifdef VARYINGS_NEED_TEXCOORD1
|
|
output.texCoord1 = input.texCoord1;
|
|
#endif
|
|
#ifdef VARYINGS_NEED_TEXCOORD2
|
|
output.texCoord2 = input.texCoord2;
|
|
#endif
|
|
#ifdef VARYINGS_NEED_TEXCOORD3
|
|
output.texCoord3 = input.texCoord3;
|
|
#endif
|
|
#ifdef VARYINGS_NEED_COLOR
|
|
output.color = input.color;
|
|
#endif
|
|
|
|
return output;
|
|
}
|
|
|
|
#endif // TESSELLATION_ON
|