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Eagle517
268
Torque/SDK/lib/maxsdk40/IHardwareShader.h
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268
Torque/SDK/lib/maxsdk40/IHardwareShader.h
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/**********************************************************************
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*<
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FILE: IHardwareShader.h
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DESCRIPTION: Hardware Shader Extension Interface class
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CREATED BY: Norbert Jeske
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HISTORY:
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*> Copyright (c) 2000, All Rights Reserved.
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**********************************************************************/
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#ifndef _HARDWARE_SHADER_H_
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#define _HARDWARE_SHADER_H_
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#define HARDWARE_SHADER_INTERFACE_ID Interface_ID(0x7bbd585b, 0x75bb641c)
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#define GFX_MAX_COLORS 2
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class Mesh;
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class MNMesh;
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class TriStrip {
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public:
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DWORD rndMode;
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MtlID mID;
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DWORD smGrp;
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int clrMode;
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int texMode;
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DWTab v;
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DWTab n;
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DWTab c[GFX_MAX_COLORS];
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DWTab tv[GFX_MAX_TEXTURES];
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TriStrip()
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: rndMode(0),
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mID(0),
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smGrp(0),
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clrMode(0),
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texMode(0)
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{}
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void AddVertN(DWORD vtx, DWORD nor) { v.Append(1, &vtx); n.Append(1, &nor); }
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void AddVertNC1(DWORD vtx, DWORD nor, DWORD col) { v.Append(1, &vtx); n.Append(1, &nor); c[0].Append(1, &col); }
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void AddVertNT1(DWORD vtx, DWORD nor, DWORD tvtx) {
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v.Append(1, &vtx); n.Append(1, &nor);
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tv[0].Append(1, &tvtx);
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}
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void AddVertNC1T1(DWORD vtx, DWORD nor, DWORD col, DWORD tvtx) {
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v.Append(1, &vtx); n.Append(1, &nor); c[0].Append(1, &col);
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tv[0].Append(1, &tvtx);
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}
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void AddVertNT2(DWORD vtx, DWORD nor, DWORD tvtx1, DWORD tvtx2) {
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v.Append(1, &vtx); n.Append(1, &nor);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2);
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}
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void AddVertNC1T2(DWORD vtx, DWORD nor, DWORD col, DWORD tvtx1, DWORD tvtx2) {
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v.Append(1, &vtx); n.Append(1, &nor); c[0].Append(1, &col);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2);
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}
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void AddVertNT3(DWORD vtx, DWORD nor, DWORD tvtx1, DWORD tvtx2, DWORD tvtx3) {
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v.Append(1, &vtx); n.Append(1, &nor);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2); tv[2].Append(1, &tvtx3);
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}
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void AddVertNC1T3(DWORD vtx, DWORD nor, DWORD col, DWORD tvtx1, DWORD tvtx2, DWORD tvtx3) {
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v.Append(1, &vtx); n.Append(1, &nor); c[0].Append(1, &col);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2); tv[2].Append(1, &tvtx3);
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}
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void AddVertNT4(DWORD vtx, DWORD nor, DWORD tvtx1, DWORD tvtx2, DWORD tvtx3, DWORD tvtx4) {
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v.Append(1, &vtx); n.Append(1, &nor);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2); tv[2].Append(1, &tvtx3); tv[3].Append(1, &tvtx4);
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}
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void AddVertNC1T4(DWORD vtx, DWORD nor, DWORD col, DWORD tvtx1, DWORD tvtx2, DWORD tvtx3, DWORD tvtx4) {
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v.Append(1, &vtx); n.Append(1, &nor); c[0].Append(1, &col);
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tv[0].Append(1, &tvtx1); tv[1].Append(1, &tvtx2); tv[2].Append(1, &tvtx3); tv[3].Append(1, &tvtx4);
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}
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};
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typedef TriStrip *TriStripPtr;
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typedef Tab<TriStripPtr> TriStripTab;
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class MeshData
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{
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public:
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int numStrips;
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TriStripTab *strips;
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DWORD mapFlags;
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int numXYZ;
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Point3 *xyz;
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int numNor;
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Point3 *nor;
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int numRGB[GFX_MAX_COLORS];
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Point3 *rgb[GFX_MAX_COLORS];
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int numUVW[GFX_MAX_TEXTURES];
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Point3 *uvw[GFX_MAX_TEXTURES];
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MeshData()
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: numStrips(0),
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strips(NULL),
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mapFlags(0),
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numXYZ(0),
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xyz(NULL),
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numNor(0),
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nor(NULL)
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{
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int kk;
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for (kk = 0; kk < GFX_MAX_COLORS; kk++) {
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numRGB[kk] = 0;
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rgb[kk] = NULL;
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}
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for (kk = 0; kk < GFX_MAX_TEXTURES; kk++) {
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numUVW[kk] = 0;
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uvw[kk] = NULL;
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}
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}
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};
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class WireMeshData
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{
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public:
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int numFaces;
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GWFace *faces;
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int numXYZ;
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Point3 *xyz;
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int displayFlags;
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BitArray *faceSel;
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BitArray *edgeSel;
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int numMat;
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Material *mtlArray;
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WireMeshData()
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: numFaces(0),
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faces(NULL),
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numXYZ(0),
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xyz(NULL),
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displayFlags(0),
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faceSel(NULL),
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edgeSel(NULL),
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numMat(0),
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mtlArray(NULL)
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{}
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};
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class MeshFaceData
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{
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public:
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int numFaces;
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GWFace *faces;
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Point3 *faceNor;
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DWORD mapFlags;
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Point3 selectClr;
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int numClrFaces[GFX_MAX_COLORS];
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GWFace *clrFaces[GFX_MAX_COLORS];
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int numTexFaces[GFX_MAX_TEXTURES];
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GWFace *texFaces[GFX_MAX_TEXTURES];
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int numXYZ;
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Point3 *xyz;
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int numNor;
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Point3 *nor;
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int numRGB[GFX_MAX_COLORS];
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Point3 *rgb[GFX_MAX_COLORS];
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int numUVW[GFX_MAX_TEXTURES];
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Point3 *uvw[GFX_MAX_TEXTURES];
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MeshFaceData()
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: numFaces(0),
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faces(NULL),
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faceNor(NULL),
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mapFlags(0),
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selectClr(0,0,0),
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numXYZ(0),
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xyz(NULL),
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numNor(0),
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nor(NULL)
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{
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int kk;
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for (kk = 0; kk < GFX_MAX_COLORS; kk++) {
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numClrFaces[kk] = 0;
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clrFaces[kk] = NULL;
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numRGB[kk] = 0;
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rgb[kk] = NULL;
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}
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for (kk = 0; kk < GFX_MAX_TEXTURES; kk++) {
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numTexFaces[kk] = 0;
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texFaces[kk] = NULL;
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numUVW[kk] = 0;
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uvw[kk] = NULL;
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}
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}
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};
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class IHardwareShader : public BaseInterface
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{
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public:
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virtual Interface_ID GetID() { return HARDWARE_SHADER_INTERFACE_ID; }
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virtual Interface_ID GetVSID() = 0;
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virtual Interface_ID GetPSID() = 0;
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// Interface Lifetime
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virtual LifetimeType LifetimeControl() { return noRelease; }
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// Start to draw object
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virtual void StartObject(Mesh *mesh) = 0;
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virtual void StartObject(MNMesh *mnmesh) = 0;
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// Initialize HardwareShader first time or frame-by-frame
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virtual void InitializeShaders(Mesh *mesh, BaseInterface *pbvs, Material *mtlArray, int numMtl, GFX_ESCAPE_FN fn) = 0;
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virtual void InitializeShaders(MNMesh *mnmesh, BaseInterface *pbvs, Material *mtlArray, int numMtl, GFX_ESCAPE_FN fn) = 0;
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// Try to draw as tristrips?
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virtual bool CanTryStrips() = 0;
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// Retrive the current rendering mode
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virtual DWORD GetRndMode() = 0;
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// Retrieve a Material
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virtual Material *GetMaterial(int numMat) = 0;
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// Set a Material
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virtual void SetMaterial(const Material &m, int index=0) = 0;
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// Retrieve number of passes for specified Material in Material array
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virtual int GetNumMultiPass(int numMtl) = 0;
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// Set the number of the current pass
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virtual void SetNumMultiPass(int numPass) = 0;
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// Draw 3D mesh as TriStrips
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virtual void DrawMeshStrips(MeshData *data, GFX_ESCAPE_FN fn) = 0;
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// Draw 3D mesh as wireframe
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virtual void DrawWireMesh(WireMeshData *data, GFX_ESCAPE_FN fn) = 0;
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// Draw 3D lines
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virtual void StartLines(WireMeshData *data) = 0;
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virtual void AddLine(DWORD *vert, int vis) = 0;
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virtual void DrawLines() = 0;
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virtual void EndLines(GFX_ESCAPE_FN fn) = 0;
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// Draw 3D triangles
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virtual void StartTriangles(MeshFaceData *data) = 0;
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virtual void AddTriangle(DWORD index, int *edgeVis) = 0;
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virtual void DrawTriangles() = 0;
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virtual void EndTriangles(GFX_ESCAPE_FN fn) = 0;
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// End of drawing object
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virtual void EndObject(Mesh *mesh) = 0;
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virtual void EndObject(MNMesh *mnmesh) = 0;
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};
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class IVertexShader
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{
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public:
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// Load VertexShader instructions, create any additional per vertex data on
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// a per node basis. VertexShader instructions should be loaded once and
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// shared among all the nodes using this VertexShader. Additional per
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// vertex data should be (re)created only when the associated node data
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// changes. In addition, if there is sufficient memory, VertexBuffers can
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// be created and updated only when node data changes in order to improve
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// rendering performance.
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virtual HRESULT Initialize(Mesh *mesh, INode *node) = 0;
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virtual HRESULT Initialize(MNMesh *mnmesh, INode *node) = 0;
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};
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#endif
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