public static Graphics.Mesh.CGfxMeshPrimitives MergeGeomsAsMeshSimple(CRenderContext rc, List <Graphics.Mesh.CGfxMeshPrimitives> meshArray, List <Matrix> transforms)
{
var aabb = new BoundingBox();
var geom = MergeGeoms(rc, meshArray, transforms, ref aabb);
var result = new Graphics.Mesh.CGfxMeshPrimitives();
result.InitFromGeomtryMesh(rc, geom, 1, ref aabb);
var desc = new CDrawPrimitiveDesc();
desc.SetDefault();
foreach (var i in meshArray)
{
var td = new CDrawPrimitiveDesc();
i.GetAtom(0, 0, ref td);
desc.NumPrimitives += td.NumPrimitives;
}
result.PushAtomLOD(0, ref desc);
return(result);
}
public static void MakeRect2D(CRenderContext rc, CGfxMeshPrimitives result, float x, float y, float w, float h, float z, bool lh = true, bool flipUVWhenGL = false, ECpuAccess cpuAccess = (ECpuAccess)0)
{
CDrawPrimitiveDesc dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 2;
result.PushAtomLOD(0, ref dpDesc);
unsafe
{
UInt16[] ibData = new UInt16[6];
ibData[0] = 0;
ibData[1] = 1;
ibData[2] = 2;
ibData[3] = 0;
ibData[4] = 2;
ibData[5] = 3;
if (lh == false)
{
ibData[1] = 2;
ibData[2] = 1;
ibData[4] = 3;
ibData[5] = 2;
}
var mesh = result.GeometryMesh;
var vbDesc = new CVertexBufferDesc();
Vector3[] vbPos = new Vector3[4];
vbPos[0].SetValue(x, y, z);
vbPos[1].SetValue(x + w, y, z);
vbPos[2].SetValue(x + w, y + h, z);
vbPos[3].SetValue(x, y + h, z);
fixed(Vector3 *pV3 = &vbPos[0])
{
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 4;
vbDesc.CPUAccess = (uint)cpuAccess;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
}
Vector2[] vbUV = new Vector2[4];
vbUV[0].SetValue(0, 0);
vbUV[1].SetValue(1, 0);
vbUV[2].SetValue(1, 1);
vbUV[3].SetValue(0, 1);
if (lh == false && CEngine.Instance.Desc.RHIType == ERHIType.RHT_D3D11)
{//全屏幕用的-1，-1，2，2这里要换手系
vbUV[0].Y = 1 - vbUV[0].Y;
vbUV[1].Y = 1 - vbUV[1].Y;
vbUV[2].Y = 1 - vbUV[2].Y;
vbUV[3].Y = 1 - vbUV[3].Y;
}
else if (flipUVWhenGL && CEngine.Instance.Desc.RHIType == ERHIType.RHT_OGL)
{
vbUV[0].Y = 1 - vbUV[0].Y;
vbUV[1].Y = 1 - vbUV[1].Y;
vbUV[2].Y = 1 - vbUV[2].Y;
vbUV[3].Y = 1 - vbUV[3].Y;
}
fixed(Vector2 *pV2 = &vbUV[0])
{
vbDesc.InitData = (IntPtr)pV2;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)sizeof(Vector2) * 4;
vbDesc.CPUAccess = (uint)cpuAccess;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
}
fixed(UInt16 *pV = &ibData[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.ByteWidth = (UInt32)sizeof(UInt16) * 6;
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
}
result.ResourceState.ResourceSize = 20 * 4;
mesh.Dirty = true;
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
public static void MakeRect3D(CRenderContext rc, CGfxMeshPrimitives result)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 2;
result.PushAtomLOD(0, ref dpDesc);
List <Vector3> posArray = new List <Vector3>();
List <Vector3> normalArray = new List <Vector3>();
List <Vector4> tangentArray = new List <Vector4>();
List <Vector2> uvArray = new List <Vector2>();
List <UInt32> indexArray = new List <UInt32>();
List <Byte4> Colors = new List <Byte4>();
Byte4 color = new Byte4();
color.X = 255;
color.Y = 255;
color.Z = 255;
color.W = 255;
Colors.Add(color);
Colors.Add(color);
Colors.Add(color);
Colors.Add(color);
// -> tileCount * tileCount * 2 triangles
float x0 = -0.5f;
float x1 = 0.5f;
float y0 = -0.5f;
float y1 = 0.5f;
float V0 = 0.0f;
float V1 = 1.0f;
float U0 = 0.0f;
float U1 = 1.0f;
posArray.Add(new Vector3(x0, y0, 0));
posArray.Add(new Vector3(x1, y0, 0));
posArray.Add(new Vector3(x1, y1, 0));
posArray.Add(new Vector3(x0, y1, 0));
normalArray.Add(new Vector3(0, 0, 1));
normalArray.Add(new Vector3(0, 0, 1));
normalArray.Add(new Vector3(0, 0, 1));
normalArray.Add(new Vector3(0, 0, 1));
uvArray.Add(new Vector2(U1, V1));
uvArray.Add(new Vector2(U0, V1));
uvArray.Add(new Vector2(U0, V0));
uvArray.Add(new Vector2(U1, V0));
var targent = CalculationTargent(posArray[0], posArray[3], posArray[1], normalArray[0], uvArray[0], uvArray[3], uvArray[1]);
tangentArray.Add(new Vector4(targent.X, targent.Y, targent.Z, 0));
targent = CalculationTargent(posArray[1], posArray[0], posArray[2], normalArray[1], uvArray[1], uvArray[0], uvArray[2]);
tangentArray.Add(new Vector4(targent.X, targent.Y, targent.Z, 0));
targent = CalculationTargent(posArray[2], posArray[1], posArray[3], normalArray[2], uvArray[2], uvArray[1], uvArray[3]);
tangentArray.Add(new Vector4(targent.X, targent.Y, targent.Z, 0));
targent = CalculationTargent(posArray[3], posArray[0], posArray[2], normalArray[3], uvArray[3], uvArray[0], uvArray[2]);
tangentArray.Add(new Vector4(targent.X, targent.Y, targent.Z, 0));
indexArray.Add(0);
indexArray.Add(1);
indexArray.Add(2);
indexArray.Add(0);
indexArray.Add(2);
indexArray.Add(3);
unsafe
{
UInt32 resourceSize = 0;
var vbDesc = new CVertexBufferDesc();
var mesh = result.GeometryMesh;
fixed(Vector3 *pV3 = &posArray.ToArray()[0])
{
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * posArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
resourceSize += vbDesc.ByteWidth;
}
fixed(Byte4 *pc = &Colors.ToArray()[0])
{
vbDesc.InitData = (IntPtr)pc;
vbDesc.Stride = (UInt32)sizeof(Byte4);
vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * Colors.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Color, vb);
resourceSize += vbDesc.ByteWidth;
}
fixed(Vector3 *pV3 = &normalArray.ToArray()[0])
{
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * normalArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb);
resourceSize += vbDesc.ByteWidth;
}
fixed(Vector4 *pV4 = &tangentArray.ToArray()[0])
{
vbDesc.InitData = (IntPtr)pV4;
vbDesc.Stride = (UInt32)sizeof(Vector4);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * tangentArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Tangent, vb);
resourceSize += vbDesc.ByteWidth;
}
fixed(Vector2 *pV = &uvArray.ToArray()[0])
{
vbDesc.InitData = (IntPtr)pV;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * uvArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
resourceSize += vbDesc.ByteWidth;
}
fixed(UInt32 *pV = &indexArray.ToArray()[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.Type = EIndexBufferType.IBT_Int32;
ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * indexArray.Count);
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
resourceSize += ibDesc.ByteWidth;
}
result.ResourceState.ResourceSize = (UInt32)(resourceSize);
mesh.Dirty = true;
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
public static void MakePlane10x10(CRenderContext rc, CGfxMeshPrimitives result, Vector2 uvMin, Vector2 uvMax, bool lh = true, bool flipUVWhenGL = false)
{
UInt32 tileCount = 10;
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = tileCount * tileCount * 2;
result.PushAtomLOD(0, ref dpDesc);
using (var posArray = Support.NativeListProxy <Vector3> .CreateNativeList())
using (var normalArray = Support.NativeListProxy <Vector3> .CreateNativeList())
using (var tangentArray = Support.NativeListProxy <Vector4> .CreateNativeList())
using (var uvArray = Support.NativeListProxy <Vector2> .CreateNativeList())
using (var indexArray = Support.NativeListProxy <UInt32> .CreateNativeList())
{
// -> tileCount * tileCount * 2 triangles
float Step = 2.0f / tileCount;
for (Int32 y = 0; y < tileCount; ++y)
{
// implemented this way to avoid cracks, could be optimized
float z0 = y * Step - 1.0f;
float z1 = (y + 1) * Step - 1.0f;
float V0 = Lerp(uvMin.Y, uvMax.Y, z0 * 0.5f + 0.5f);
float V1 = Lerp(uvMin.Y, uvMax.Y, z1 * 0.5f + 0.5f);
for (Int32 x = 0; x < tileCount; ++x)
{
// implemented this way to avoid cracks, could be optimized
float x0 = x * Step - 1.0f;
float x1 = (x + 1) * Step - 1.0f;
float U0 = Lerp(uvMin.X, uvMax.X, x0 * 0.5f + 0.5f);
float U1 = Lerp(uvMin.X, uvMax.X, x1 * 0.5f + 0.5f);
// Calculate verts for a face pointing down Z
posArray.Add(new Vector3(x0, 0, z0));
posArray.Add(new Vector3(x0, 0, z1));
posArray.Add(new Vector3(x1, 0, z1));
posArray.Add(new Vector3(x1, 0, z0));
normalArray.Add(new Vector3(0, 1, 0));
normalArray.Add(new Vector3(0, 1, 0));
normalArray.Add(new Vector3(0, 1, 0));
normalArray.Add(new Vector3(0, 1, 0));
tangentArray.Add(new Vector4(1, 0, 0, 1));
tangentArray.Add(new Vector4(1, 0, 0, 1));
tangentArray.Add(new Vector4(1, 0, 0, 1));
tangentArray.Add(new Vector4(1, 0, 0, 1));
uvArray.Add(new Vector2(U0, V0));
uvArray.Add(new Vector2(U0, V1));
uvArray.Add(new Vector2(U1, V1));
uvArray.Add(new Vector2(U1, V0));
UInt32 Index = (UInt32)((x + y * tileCount) * 4);
indexArray.Add(Index + 0);
indexArray.Add(Index + 1);
indexArray.Add(Index + 2);
indexArray.Add(Index + 0);
indexArray.Add(Index + 2);
indexArray.Add(Index + 3);
}
}
unsafe
{
UInt32 resourceSize = 0;
var vbDesc = new CVertexBufferDesc();
var mesh = result.GeometryMesh;
{
var pV3 = posArray.UnsafeGetElementAddress(0);
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * posArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
resourceSize += vbDesc.ByteWidth;
}
{
var pV3 = normalArray.UnsafeGetElementAddress(0);
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * normalArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb);
resourceSize += vbDesc.ByteWidth;
}
{
var pV3 = tangentArray.UnsafeGetElementAddress(0);
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector4);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * tangentArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Tangent, vb);
resourceSize += vbDesc.ByteWidth;
}
{
var pV = uvArray.UnsafeGetElementAddress(0);
vbDesc.InitData = (IntPtr)pV;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * uvArray.Count);
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
resourceSize += vbDesc.ByteWidth;
}
{
var pV = indexArray.UnsafeGetElementAddress(0);
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.Type = EIndexBufferType.IBT_Int32;
ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * indexArray.Count);
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
resourceSize += ibDesc.ByteWidth;
}
result.ResourceState.ResourceSize = (UInt32)(resourceSize);
mesh.Dirty = true;
}
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
public static void MakeBox(CRenderContext rc, CGfxMeshPrimitives result, float x, float y, float z, float xSize, float ySize, float zSize,
EBoxFace faceFlags = EBoxFace.All)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 0;
result.AABB = new BoundingBox(x, y, z, x + xSize, y + ySize, z + zSize);
unsafe
{
UInt32 resourceSize = 0;
var mesh = result.GeometryMesh;
// 顶点
var vbDesc = new CVertexBufferDesc();
var vbPos = new Vector3[8];
vbPos[0].SetValue(x, y, z);
vbPos[1].SetValue(x, y + ySize, z);
vbPos[2].SetValue(x + xSize, y + ySize, z);
vbPos[3].SetValue(x + xSize, y, z);
vbPos[4].SetValue(x, y, z + zSize);
vbPos[5].SetValue(x, y + ySize, z + zSize);
vbPos[6].SetValue(x + xSize, y + ySize, z + zSize);
vbPos[7].SetValue(x + xSize, y, z + zSize);
var pPos = new Vector3[24];
// front side
pPos[0] = vbPos[0]; pPos[1] = vbPos[1]; pPos[2] = vbPos[2]; pPos[3] = vbPos[3];
// back side
pPos[4] = vbPos[4]; pPos[5] = vbPos[5]; pPos[6] = vbPos[6]; pPos[7] = vbPos[7];
// left side
pPos[8] = vbPos[4]; pPos[9] = vbPos[5]; pPos[10] = vbPos[1]; pPos[11] = vbPos[0];
// right side
pPos[12] = vbPos[3]; pPos[13] = vbPos[2]; pPos[14] = vbPos[6]; pPos[15] = vbPos[7];
// top side
pPos[16] = vbPos[1]; pPos[17] = vbPos[5]; pPos[18] = vbPos[6]; pPos[19] = vbPos[2];
// bottom side
pPos[20] = vbPos[4]; pPos[21] = vbPos[0]; pPos[22] = vbPos[3]; pPos[23] = vbPos[7];
fixed(Vector3 *pv3 = &pPos[0])
{
vbDesc.InitData = (IntPtr)pv3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
}
UInt32 curIndex = 0;
// 索引
UInt16[] pIndex = new UInt16[36];
if ((faceFlags & EBoxFace.Front) != 0)
{// front side
pIndex[curIndex++] = 0; pIndex[curIndex++] = 1; pIndex[curIndex++] = 2;
pIndex[curIndex++] = 0; pIndex[curIndex++] = 2; pIndex[curIndex++] = 3;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Back) != 0)
{
// back side
pIndex[curIndex++] = 4; pIndex[curIndex++] = 6; pIndex[curIndex++] = 5;
pIndex[curIndex++] = 4; pIndex[curIndex++] = 7; pIndex[curIndex++] = 6;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Left) != 0)
{
// left side
pIndex[curIndex++] = 8; pIndex[curIndex++] = 9; pIndex[curIndex++] = 10;
pIndex[curIndex++] = 8; pIndex[curIndex++] = 10; pIndex[curIndex++] = 11;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Right) != 0)
{
// right side
pIndex[curIndex++] = 12; pIndex[curIndex++] = 13; pIndex[curIndex++] = 14;
pIndex[curIndex++] = 12; pIndex[curIndex++] = 14; pIndex[curIndex++] = 15;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Top) != 0)
{
// top side
pIndex[curIndex++] = 16; pIndex[curIndex++] = 17; pIndex[curIndex++] = 18;
pIndex[curIndex++] = 16; pIndex[curIndex++] = 18; pIndex[curIndex++] = 19;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Bottom) != 0)
{
// bottom side
pIndex[curIndex++] = 20; pIndex[curIndex++] = 21; pIndex[curIndex++] = 22;
pIndex[curIndex++] = 20; pIndex[curIndex++] = 22; pIndex[curIndex++] = 23;
dpDesc.NumPrimitives += 2;
}
fixed(UInt16 *pV = &pIndex[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.ByteWidth = (UInt32)sizeof(UInt16) * curIndex;
resourceSize += ibDesc.ByteWidth;
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
}
// UV
var vLB = new Vector2(0, 1);
var vLT = new Vector2(0, 0);
var vRT = new Vector2(1, 0);
var vRB = new Vector2(1, 1);
var vUV = new Vector2[24];
vUV[0] = vLB; vUV[1] = vLT; vUV[2] = vRT; vUV[3] = vRB;
vUV[4] = vRB; vUV[5] = vRT; vUV[6] = vLT; vUV[7] = vLB;
vUV[8] = vLB; vUV[9] = vLT; vUV[10] = vRT; vUV[11] = vRB;
vUV[12] = vLB; vUV[13] = vLT; vUV[14] = vRT; vUV[15] = vRB;
vUV[16] = vLB; vUV[17] = vLT; vUV[18] = vRT; vUV[19] = vRB;
vUV[20] = vLB; vUV[21] = vLT; vUV[22] = vRT; vUV[23] = vRB;
fixed(Vector2 *pUV = &vUV[0])
{
vbDesc.InitData = (IntPtr)pUV;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)sizeof(Vector2) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
}
// 法线
var vFront = new Vector3(0, 0, -1);
var vBack = new Vector3(0, 0, 1);
var vLeft = new Vector3(-1, 0, 0);
var vRight = new Vector3(1, 0, 0);
var vTop = new Vector3(0, 1, 0);
var vBottom = new Vector3(0, -1, 0);
var vNor = new Vector3[24];
vNor[0] = vFront; vNor[1] = vFront; vNor[2] = vFront; vNor[3] = vFront;
vNor[4] = vBack; vNor[5] = vBack; vNor[6] = vBack; vNor[7] = vBack;
vNor[8] = vLeft; vNor[9] = vLeft; vNor[10] = vLeft; vNor[11] = vLeft;
vNor[12] = vRight; vNor[13] = vRight; vNor[14] = vRight; vNor[15] = vRight;
vNor[16] = vTop; vNor[17] = vTop; vNor[18] = vTop; vNor[19] = vTop;
vNor[20] = vBottom; vNor[21] = vBottom; vNor[22] = vBottom; vNor[23] = vBottom;
fixed(Vector3 *pNor = &vNor[0])
{
vbDesc.InitData = (IntPtr)pNor;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb);
}
mesh.Dirty = true;
result.ResourceState.ResourceSize = resourceSize;
}
result.PushAtomLOD(0, ref dpDesc);
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
public static void MakeScreenAlignedTriangle(CRenderContext RHICtx, CGfxMeshPrimitives PrimMesh)
{
CDrawPrimitiveDesc dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 1;
PrimMesh.PushAtomLOD(0, ref dpDesc);
unsafe
{
var GeomData = PrimMesh.GeometryMesh;
var vbDesc = new CVertexBufferDesc();
Vector3[] VtxPosBuffer = new Vector3[3];
VtxPosBuffer[0].SetValue(-1.0f, -1.0f, 0.0f);
VtxPosBuffer[1].SetValue(-1.0f, 3.0f, 0.0f);
VtxPosBuffer[2].SetValue(3.0f, -1.0f, 0.0f);
fixed(Vector3 *refVtxPosBuffer = &VtxPosBuffer[0])
{
vbDesc.InitData = (IntPtr)refVtxPosBuffer;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 3;
var vb = RHICtx.CreateVertexBuffer(vbDesc);
GeomData.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
}
Vector2[] UVBuffer = new Vector2[3];
UVBuffer[0].SetValue(0.0f, 1.0f);
UVBuffer[1].SetValue(0.0f, -1.0f);
UVBuffer[2].SetValue(2.0f, 1.0f);
if (CEngine.Instance.Desc.RHIType == ERHIType.RHT_OGL)
{
UVBuffer[0].Y = 1.0f - UVBuffer[0].Y;
UVBuffer[1].Y = 1.0f - UVBuffer[1].Y;
UVBuffer[2].Y = 1.0f - UVBuffer[2].Y;
}
fixed(Vector2 *refUVBuffer = &UVBuffer[0])
{
vbDesc.InitData = (IntPtr)refUVBuffer;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)sizeof(Vector2) * 3;
var vb = RHICtx.CreateVertexBuffer(vbDesc);
GeomData.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
}
UInt16[] IdxBuffer = new UInt16[3];
IdxBuffer[0] = 0;
IdxBuffer[1] = 1;
IdxBuffer[2] = 2;
fixed(UInt16 *refIdxBuffer = &IdxBuffer[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)refIdxBuffer;
ibDesc.ByteWidth = (UInt32)sizeof(UInt16) * 3;
var ib = RHICtx.CreateIndexBuffer(ibDesc);
GeomData.BindIndexBuffer(ib);
}
PrimMesh.ResourceState.ResourceSize = 66;
GeomData.Dirty = true;
}
PrimMesh.ResourceState.StreamState = EStreamingState.SS_Valid;
PrimMesh.ResourceState.KeepValid = true;
}
public static void MakeUIScale9(CRenderContext rc, CGfxMeshPrimitives result, float x, float y, float w, float h, float z, bool lh = true, bool flipUVWhenGL = false)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 18;
result.PushAtomLOD(0, ref dpDesc);
unsafe
{
var ibData = new UInt16[54];
ibData[0] = 0;
ibData[1] = 1;
ibData[2] = 2;
ibData[3] = 0;
ibData[4] = 2;
ibData[5] = 3;
ibData[6] = 4;
ibData[7] = 5;
ibData[8] = 6;
ibData[9] = 4;
ibData[10] = 6;
ibData[11] = 7;
ibData[12] = 8;
ibData[13] = 9;
ibData[14] = 10;
ibData[15] = 8;
ibData[16] = 10;
ibData[17] = 11;
ibData[18] = 12;
ibData[19] = 13;
ibData[20] = 14;
ibData[21] = 12;
ibData[22] = 14;
ibData[23] = 15;
ibData[24] = 16;
ibData[25] = 17;
ibData[26] = 18;
ibData[27] = 16;
ibData[28] = 18;
ibData[29] = 19;
ibData[30] = 20;
ibData[31] = 21;
ibData[32] = 22;
ibData[33] = 20;
ibData[34] = 22;
ibData[35] = 23;
ibData[36] = 24;
ibData[37] = 25;
ibData[38] = 26;
ibData[39] = 24;
ibData[40] = 26;
ibData[41] = 27;
ibData[42] = 28;
ibData[43] = 29;
ibData[44] = 30;
ibData[45] = 28;
ibData[46] = 30;
ibData[47] = 31;
ibData[48] = 32;
ibData[49] = 33;
ibData[50] = 34;
ibData[51] = 32;
ibData[52] = 34;
ibData[53] = 35;
if (lh == false)
{
ibData[1] = 2;
ibData[2] = 1;
ibData[4] = 3;
ibData[5] = 2;
ibData[7] = 6;
ibData[8] = 5;
ibData[10] = 7;
ibData[11] = 6;
ibData[13] = 10;
ibData[14] = 9;
ibData[16] = 11;
ibData[17] = 10;
ibData[19] = 14;
ibData[20] = 13;
ibData[22] = 15;
ibData[23] = 14;
ibData[25] = 18;
ibData[26] = 17;
ibData[28] = 19;
ibData[29] = 18;
ibData[31] = 22;
ibData[32] = 21;
ibData[34] = 23;
ibData[35] = 22;
ibData[37] = 26;
ibData[38] = 25;
ibData[40] = 27;
ibData[41] = 26;
ibData[43] = 30;
ibData[44] = 29;
ibData[46] = 31;
ibData[47] = 30;
ibData[49] = 34;
ibData[50] = 33;
ibData[52] = 35;
ibData[53] = 34;
}
var mesh = result.GeometryMesh;
var vbDesc = new CVertexBufferDesc();
var vbTempPos = new Vector3[16];
var deltaW = w / 3;
var deltaH = h / 3;
for (int yV = 0; yV < 4; yV++)
{
for (int xV = 0; xV < 4; xV++)
{
vbTempPos[yV * 4 + xV].SetValue(x + deltaW * xV, y + deltaH * yV, z);
}
}
var vbPos = new Vector3[36];
vbPos[0] = vbTempPos[0];
vbPos[1] = vbTempPos[1];
vbPos[2] = vbTempPos[5];
vbPos[3] = vbTempPos[4];
vbPos[4] = vbTempPos[1];
vbPos[5] = vbTempPos[2];
vbPos[6] = vbTempPos[6];
vbPos[7] = vbTempPos[5];
vbPos[8] = vbTempPos[2];
vbPos[9] = vbTempPos[3];
vbPos[10] = vbTempPos[7];
vbPos[11] = vbTempPos[6];
vbPos[12] = vbTempPos[4];
vbPos[13] = vbTempPos[5];
vbPos[14] = vbTempPos[9];
vbPos[15] = vbTempPos[8];
vbPos[16] = vbTempPos[5];
vbPos[17] = vbTempPos[6];
vbPos[18] = vbTempPos[10];
vbPos[19] = vbTempPos[9];
vbPos[20] = vbTempPos[6];
vbPos[21] = vbTempPos[7];
vbPos[22] = vbTempPos[11];
vbPos[23] = vbTempPos[10];
vbPos[24] = vbTempPos[8];
vbPos[25] = vbTempPos[9];
vbPos[26] = vbTempPos[13];
vbPos[27] = vbTempPos[12];
vbPos[28] = vbTempPos[9];
vbPos[29] = vbTempPos[10];
vbPos[30] = vbTempPos[14];
vbPos[31] = vbTempPos[13];
vbPos[32] = vbTempPos[10];
vbPos[33] = vbTempPos[11];
vbPos[34] = vbTempPos[15];
vbPos[35] = vbTempPos[14];
fixed(Vector3 *pV3 = &vbPos[0])
{
vbDesc.InitData = (IntPtr)pV3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 36;
vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
}
var vbTempUV = new Vector2[16];
var deltaU = 1.0f / 3;
var deltaV = 1.0f / 3;
for (int yV = 0; yV < 4; yV++)
{
for (int xV = 0; xV < 4; xV++)
{
if (lh == false && CEngine.Instance.Desc.RHIType == ERHIType.RHT_D3D11)
{
vbTempUV[yV * 4 + xV].SetValue(deltaU * xV, 1 - deltaV * yV);
}
else if (flipUVWhenGL && CEngine.Instance.Desc.RHIType == ERHIType.RHT_OGL)
{
vbTempUV[yV * 4 + xV].SetValue(deltaU * xV, 1 - deltaV * yV);
}
else
{
vbTempUV[yV * 4 + xV].SetValue(deltaU * xV, deltaV * yV);
}
}
}
var vbUV = new Vector2[36];
vbUV[0] = vbTempUV[0];
vbUV[1] = vbTempUV[1];
vbUV[2] = vbTempUV[5];
vbUV[3] = vbTempUV[4];
vbUV[4] = vbTempUV[1];
vbUV[5] = vbTempUV[2];
vbUV[6] = vbTempUV[6];
vbUV[7] = vbTempUV[5];
vbUV[8] = vbTempUV[2];
vbUV[9] = vbTempUV[3];
vbUV[10] = vbTempUV[7];
vbUV[11] = vbTempUV[6];
vbUV[12] = vbTempUV[4];
vbUV[13] = vbTempUV[5];
vbUV[14] = vbTempUV[9];
vbUV[15] = vbTempUV[8];
vbUV[16] = vbTempUV[5];
vbUV[17] = vbTempUV[6];
vbUV[18] = vbTempUV[10];
vbUV[19] = vbTempUV[9];
vbUV[20] = vbTempUV[6];
vbUV[21] = vbTempUV[7];
vbUV[22] = vbTempUV[11];
vbUV[23] = vbTempUV[10];
vbUV[24] = vbTempUV[8];
vbUV[25] = vbTempUV[9];
vbUV[26] = vbTempUV[13];
vbUV[27] = vbTempUV[12];
vbUV[28] = vbTempUV[9];
vbUV[29] = vbTempUV[10];
vbUV[30] = vbTempUV[14];
vbUV[31] = vbTempUV[13];
vbUV[32] = vbTempUV[10];
vbUV[33] = vbTempUV[11];
vbUV[34] = vbTempUV[15];
vbUV[35] = vbTempUV[14];
fixed(Vector2 *pV2 = &vbUV[0])
{
vbDesc.InitData = (IntPtr)pV2;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)sizeof(Vector2) * 36;
vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
}
fixed(UInt16 *pV = &ibData[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.ByteWidth = (UInt32)sizeof(UInt16) * 54;
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
}
result.ResourceState.ResourceSize = 20 * 16;
mesh.Dirty = true;
}
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}