public void BindBuffs(CRenderContext rc, CGfxMeshPrimitives result) { if (Positions.Count < 4) { return; } CCommandList cmd = rc.ImmCommandList; var dpDesc = new CDrawPrimitiveDesc(); dpDesc.SetDefault(); dpDesc.NumPrimitives = (uint)Positions.Count - (ComposeCount * 2); result.SetAtom(0, 0, ref dpDesc); bool needcreate = Positions.Count > PrePositionCount || VertexIndexes.Count > PreIndexesCount; if (needcreate) { PrePositionCount = Positions.Count; } UInt32 resourceSize = 0; if (needcreate == false) { var mesh = result.GeometryMesh; UInt32 ByteWidth = 0; //mesh.Cleanup(); { var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Position); unsafe { ByteWidth = (UInt32)(sizeof(Vector3) * Positions.Count); vb.UpdateBuffData(cmd, Positions.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } } { var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Tangent); unsafe { ByteWidth = (UInt32)(sizeof(Vector4) * Tangents.Count); vb.UpdateBuffData(cmd, Tangents.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } } { var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Normal); unsafe { ByteWidth = (UInt32)(sizeof(Vector3) * Normals.Count); vb.UpdateBuffData(cmd, Normals.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } } { var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_UV); unsafe { ByteWidth = (UInt32)(sizeof(Vector2) * UVs.Count); vb.UpdateBuffData(cmd, UVs.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } } { var vb = mesh.GetVertexBuffer(EVertexSteamType.VST_Color); unsafe { ByteWidth = (UInt32)(sizeof(Byte4) * Colors.Count); vb.UpdateBuffData(cmd, Colors.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } } { //if (VertexIndexes.Count == PreIndexesCount) //{ var ib = mesh.GetIndexBuffer(); unsafe { ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count); ib.UpdateBuffData(cmd, VertexIndexes.UnsafeAddressAt(0), ByteWidth); resourceSize += ByteWidth; } //} //else //{ // var ibDesc = new CIndexBufferDesc(); // ibDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE; // ibDesc.InitData = VertexIndexes.UnsafeAddressAt(0); // ibDesc.Type = EIndexBufferType.IBT_Int32; // ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count); // var ib = rc.CreateIndexBuffer(ibDesc); // mesh.BindIndexBuffer(ib); // resourceSize += ibDesc.ByteWidth; // PreIndexesCount = VertexIndexes.Count; //} } result.ResourceState.ResourceSize = (UInt32)(resourceSize); result.ResourceState.StreamState = EStreamingState.SS_Valid; result.ResourceState.KeepValid = true; result.GeometryMesh.Dirty = true; return; } //result.GeometryMesh.Cleanup(); unsafe { var vbDesc = new CVertexBufferDesc(); vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE; var mesh = result.GeometryMesh; //mesh.Cleanup(); { vbDesc.InitData = Positions.UnsafeAddressAt(0); vbDesc.Stride = (UInt32)sizeof(Vector3); vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * Positions.Count); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb); resourceSize += vbDesc.ByteWidth; } { vbDesc.InitData = Tangents.UnsafeAddressAt(0); vbDesc.Stride = (UInt32)sizeof(Vector4); vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * Tangents.Count); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Tangent, vb); resourceSize += vbDesc.ByteWidth; } { vbDesc.InitData = Normals.UnsafeAddressAt(0); vbDesc.Stride = (UInt32)sizeof(Vector3); vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * Normals.Count); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb); resourceSize += vbDesc.ByteWidth; } { vbDesc.InitData = UVs.UnsafeAddressAt(0); vbDesc.Stride = (UInt32)sizeof(Vector2); vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * UVs.Count); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb); resourceSize += vbDesc.ByteWidth; } { vbDesc.InitData = Colors.UnsafeAddressAt(0); 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; } { var ibDesc = new CIndexBufferDesc(); ibDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE; ibDesc.InitData = VertexIndexes.UnsafeAddressAt(0); ibDesc.Type = EIndexBufferType.IBT_Int32; ibDesc.ByteWidth = (UInt32)(sizeof(UInt32) * VertexIndexes.Count); var ib = rc.CreateIndexBuffer(ibDesc); mesh.BindIndexBuffer(ib); resourceSize += ibDesc.ByteWidth; PreIndexesCount = VertexIndexes.Count; } result.ResourceState.ResourceSize = (UInt32)(resourceSize); mesh.Dirty = true; } result.ResourceState.StreamState = EStreamingState.SS_Valid; result.ResourceState.KeepValid = true; }
public Graphics.Mesh.CGfxMeshPrimitives CookMesh(CRenderContext rc) { var result = CEngine.Instance.MeshPrimitivesManager.CreateMeshPrimitives(rc, (UInt32)Atoms.Count); var mesh = result.GeometryMesh; UInt32 resourceSize = 0; #region Position if (EnablePosition) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector3[] data = new Vector3[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].Position; } fixed(Vector3 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector3); vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region Normal if (EnableNormal) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector3[] data = new Vector3[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].Normal; } fixed(Vector3 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector3); vbDesc.ByteWidth = (UInt32)(sizeof(Vector3) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region Tangent if (EnableTangent) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector4[] data = new Vector4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].Tangent; } fixed(Vector4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector4); vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Tangent, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region Color if (EnableColor) { unsafe { var vbDesc = new CVertexBufferDesc(); Byte4[] data = new Byte4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].Color; } fixed(Byte4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Byte4); vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_Color, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region UV if (EnableUV) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector2[] data = new Vector2[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].UV; } fixed(Vector2 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector2); vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region LightMapUV if (EnableLightMapUV) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector2[] data = new Vector2[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].LightMapUV; } fixed(Vector2 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector2); vbDesc.ByteWidth = (UInt32)(sizeof(Vector2) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_LightMap, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region LightSkinIndex if (EnableSkinIndex) { unsafe { var vbDesc = new CVertexBufferDesc(); Byte4[] data = new Byte4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].SkinIndex; } fixed(Byte4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Byte4); vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_SkinIndex, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region LightSkinWeight if (EnableSkinWeight) { unsafe { var vbDesc = new CVertexBufferDesc(); Vector4[] data = new Vector4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].SkinWeight; } fixed(Vector4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Vector4); vbDesc.ByteWidth = (UInt32)(sizeof(Vector4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_SkinWeight, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region LightTerrainIndex if (EnableTerrainIndex) { unsafe { var vbDesc = new CVertexBufferDesc(); Byte4[] data = new Byte4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].TerrainIndex; } fixed(Byte4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Byte4); vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_TerrainIndex, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region LightTerrainGradient if (EnableTerrainGradient) { unsafe { var vbDesc = new CVertexBufferDesc(); Byte4[] data = new Byte4[Vertices.Count]; for (int i = 0; i < data.Length; i++) { data[i] = Vertices[i].TerrainGradient; } fixed(Byte4 *ptr = &data[0]) { vbDesc.InitData = (IntPtr)ptr; vbDesc.Stride = (UInt32)sizeof(Byte4); vbDesc.ByteWidth = (UInt32)(sizeof(Byte4) * data.Length); var vb = rc.CreateVertexBuffer(vbDesc); mesh.BindVertexBuffer(EVertexSteamType.VST_TerrainGradient, vb); resourceSize += vbDesc.ByteWidth; } } } #endregion #region IndexBuffer & Atoms { if ((UInt32)Vertices.Count >= UInt32.MaxValue) { List <int> indices = new List <int>(); for (int i = 0; i < Atoms.Count; i++) { int mtlStart = indices.Count; Atoms[i].BuildIndexBuffer(this, indices); var desc = Atoms[i].Lods[0]; desc.StartIndex = desc.StartIndex + (UInt32)mtlStart; result.PushAtomLOD((UInt32)i, ref desc); } unsafe { var ibDesc = new CIndexBufferDesc(); var data = indices.ToArray(); fixed(Int32 *ptr = &data[0]) { ibDesc.InitData = (IntPtr)ptr; ibDesc.Type = EIndexBufferType.IBT_Int32; ibDesc.ByteWidth = (UInt32)(sizeof(Int32) * data.Length); var ib = rc.CreateIndexBuffer(ibDesc); mesh.BindIndexBuffer(ib); resourceSize += ibDesc.ByteWidth; } } } else { List <UInt16> indices = new List <UInt16>(); for (int i = 0; i < Atoms.Count; i++) { int mtlStart = indices.Count; Atoms[i].BuildIndexBuffer(this, indices); var lod = Atoms[i].Lods; if (Atoms[i].FinalLods.Count > 0) { lod = Atoms[i].FinalLods; } for (int j = 0; j < lod.Count; j++) { var desc = lod[j]; if (desc.NumPrimitives > 0) { desc.StartIndex = desc.StartIndex + (UInt32)mtlStart; result.PushAtomLOD((UInt32)i, ref desc); } } } if (indices.Count > 0) { unsafe { var ibDesc = new CIndexBufferDesc(); var data = indices.ToArray(); fixed(UInt16 *ptr = &data[0]) { ibDesc.InitData = (IntPtr)ptr; ibDesc.Type = EIndexBufferType.IBT_Int16; ibDesc.ByteWidth = (UInt32)(sizeof(Int16) * data.Length); var ib = rc.CreateIndexBuffer(ibDesc); mesh.BindIndexBuffer(ib); resourceSize += ibDesc.ByteWidth; } } } } } #endregion result.AABB = AABB; result.ResourceState.ResourceSize = resourceSize; result.ResourceState.StreamState = EStreamingState.SS_Valid; result.ResourceState.KeepValid = true; return(result); }
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 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 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; }
public void AddDefaultColorBuff(CRenderContext rc, CGfxMeshPrimitives result) { if (result == null) { return; } var mesh = result.GeometryMesh; if (mesh == null) { return; } CVertexBuffer colorbuff = mesh.GetVertexBuffer(EVertexSteamType.VST_Color); if (colorbuff != null) { return; } CVertexBuffer posbuff = mesh.GetVertexBuffer(EVertexSteamType.VST_Position); if (posbuff == null) { return; } var blob = new Support.CBlobObject(); posbuff.GetBufferData(rc, blob); int vertNum = 0; unsafe { vertNum = (int)blob.Size / sizeof(Vector3); } if (vertNum == 0) { return; } Support.NativeList <Byte4> Colors = new Support.NativeList <Byte4>(); var color = new Byte4(); color.X = 255; color.Y = 255; color.Z = 255; color.W = 255; for (int i = 0; i < vertNum; i++) { Colors.Add(color); } var dpDesc = new CDrawPrimitiveDesc(); dpDesc.SetDefault(); dpDesc.NumPrimitives = (UInt32)vertNum; result.SetAtom(0, 0, ref dpDesc); UInt32 resourceSize = 0; unsafe { var vbDesc = new CVertexBufferDesc(); vbDesc.CPUAccess = (UInt32)ECpuAccess.CAS_WRITE; { vbDesc.InitData = Colors.UnsafeAddressAt(0); 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; } result.ResourceState.ResourceSize = (UInt32)(resourceSize); mesh.Dirty = true; } result.ResourceState.StreamState = EStreamingState.SS_Valid; result.ResourceState.KeepValid = true; }