/////////////////////////////////////////////////////////////////////// // SpeedTreeRT DirectX Example // // (c) 2003 IDV, Inc. // // This example demonstrates how to render trees using SpeedTreeRT // and DirectX. Techniques illustrated include ".spt" file parsing, // static lighting, dynamic lighting, LOD implementation, cloning, // instancing, and dynamic wind effects. // // // *** INTERACTIVE DATA VISUALIZATION (IDV) PROPRIETARY INFORMATION *** // // This software is supplied under the terms of a license agreement or // nondisclosure agreement with Interactive Data Visualization and may // not be copied or disclosed except in accordance with the terms of // that agreement. // // Copyright (c) 2001-2003 IDV, Inc. // All Rights Reserved. // // IDV, Inc. // 1233 Washington St. Suite 610 // Columbia, SC 29201 // Voice: (803) 799-1699 // Fax: (803) 931-0320 // Web: http://www.idvinc.com /////////////////////////////////////////////////////////////////////// // Includes #ifndef _3DRENDERER_SPEEDTREEVERTEXSHADERS_H_ #define _3DRENDERER_SPEEDTREEVERTEXSHADERS_H_ #include #include #include #include #include "wzspeedtreeconfig.h" /////////////////////////////////////////////////////////////////////// // Branch & Frond Vertex Formats static DWORD D3DFVF_SPEEDTREE_BRANCH_VERTEX = D3DFVF_XYZ | #ifdef WRAPPER_USE_DYNAMIC_LIGHTING D3DFVF_NORMAL | #else D3DFVF_DIFFUSE | #endif D3DFVF_TEXCOORDSIZE2(0) | D3DFVF_TEXCOORDSIZE2(1) | D3DFVF_TEXCOORDSIZE2(2) #ifdef WRAPPER_USE_GPU_WIND #ifdef WRAPPER_RENDER_SELF_SHADOWS | D3DFVF_TEX3; #else | D3DFVF_TEX2; #endif #else #ifdef WRAPPER_RENDER_SELF_SHADOWS | D3DFVF_TEX2; #else | D3DFVF_TEX1; #endif #endif /////////////////////////////////////////////////////////////////////// // FVF Branch Vertex Structure struct SFVFBranchVertex { D3DXVECTOR3 m_vPosition; // Always Used #ifdef WRAPPER_USE_DYNAMIC_LIGHTING D3DXVECTOR3 m_vNormal; // Dynamic Lighting Only #else DWORD m_dwDiffuseColor; // Static Lighting Only #endif FLOAT m_fTexCoords[2]; // Always Used #ifdef WRAPPER_USE_GPU_WIND FLOAT m_fWindIndex; // GPU Only FLOAT m_fWindWeight; #endif #ifdef WRAPPER_RENDER_SELF_SHADOWS FLOAT m_fShadowCoords[2]; // Texture coordinates for the shadows #endif }; /////////////////////////////////////////////////////////////////////// // Branch/Frond Vertex Program static const char g_achSimpleVertexProgram[] = { "vs.1.1\n" // identity shader version "dcl_position v0\n" // declare the data coming in #ifdef WRAPPER_USE_DYNAMIC_LIGHTING "dcl_normal v3\n" #else "dcl_color v5\n" #endif "dcl_texcoord0 v7\n" "dcl_texcoord1 v8\n" #ifdef WRAPPER_RENDER_SELF_SHADOWS "dcl_texcoord2 v9\n" #endif "mov oT0.xy, v7\n" // always pass texcoord0 through #ifdef WRAPPER_RENDER_SELF_SHADOWS "mov oT1.xy, v9\n" // pass shadow texcoords through #endif // retrieve and convert wind matrix index "mov a0.x, v8.x\n" // perform wind interpolation "m4x4 r1, v0, c[54+a0.x]\n" // compute full wind effect "sub r2, r1, v0\n" // compute difference between full wind and none "mov r3.x, v8.y\n" // mad can't access two v's at once, use r3.x as tmp "mad r1, r2, r3.x, v0\n" // perform interpolation "mul r1, c[53], r1\n" // 스케일링 (임시) "add r2, c[52], r1\n" // translate to tree's position "m4x4 oPos, r2, c[0]\n" // project to screen #ifdef WRAPPER_USE_FOG "dp4 r1, r2, c[2]\n" // compute distance "sub r2.x, c[85].y, r1.z\n" // linear fog "mul oFog, r2.x, c[85].z\n" // write outputs #endif #ifdef WRAPPER_USE_STATIC_LIGHTING "mov oD0, v5\n" // pass color through #else //최적화 가능 - 미리 계산 가능 "mov r1, c[74]\n" // can only use one const register per instruction "mul r5, c[73], r1\n" // diffuse values "mov r1, c[75]\n" // can only use one const register per instruction "mul r4, c[72], r1\n" // ambient values "dp3 r2.x, v3, c[71]\n" // dot light direction with normal "mad oD0, r2.x, r5, r4\n" // compute the final color #endif }; /////////////////////////////////////////////////////////////////////// // LoadBranchShader inline LPDIRECT3DVERTEXSHADER9 LoadBranchShader(LPDIRECT3DDEVICE9 pDx) { #ifndef WRAPPER_USE_GPU_WIND //lint -e522 UNREFERENCED_PARAMETER(pDx); return NULL; #else // assemble shader LPDIRECT3DVERTEXSHADER9 dwShader; LPD3DXBUFFER pCode, pError; DWORD dwFlag=0; #ifdef _DEBUG dwFlag=D3DXSHADER_DEBUG; #endif if (D3DXAssembleShader(g_achSimpleVertexProgram, sizeof(g_achSimpleVertexProgram) - 1, 0, NULL, dwFlag, &pCode, &pError) == D3D_OK) { if (pDx->CreateVertexShader((DWORD*)pCode->GetBufferPointer( ), &dwShader) != D3D_OK) { char szError[1024]; sprintf(szError, "Failed to create branch vertex shader."); MessageBoxA(NULL, szError, "Vertex Shader Error", MB_ICONSTOP); } } else { char szError[1024]; sprintf(szError, "Failed to assemble branch vertex shader.\nThe error reported is [ %s ].\n", pError->GetBufferPointer( )); MessageBoxA(NULL, szError, "Vertex Shader Error", MB_ICONSTOP); } if (pCode) pCode->Release( ); return dwShader; #endif } /////////////////////////////////////////////////////////////////////// // Leaf Vertex Formats static DWORD D3DFVF_SPEEDTREE_LEAF_VERTEX = D3DFVF_XYZ | // always have the position #ifdef WRAPPER_USE_DYNAMIC_LIGHTING // precomputed colors or geometric normals D3DFVF_NORMAL | #else D3DFVF_DIFFUSE | #endif D3DFVF_TEXCOORDSIZE2(0) | D3DFVF_TEXCOORDSIZE2(1) | D3DFVF_TEXCOORDSIZE2(2) | #if defined WRAPPER_USE_GPU_WIND || defined WRAPPER_USE_GPU_LEAF_PLACEMENT D3DFVF_TEX3; #else D3DFVF_TEX1; #endif /////////////////////////////////////////////////////////////////////// // FVF Leaf Vertex Structure struct SFVFLeafVertex { D3DXVECTOR3 m_vPosition; // Always Used #ifdef WRAPPER_USE_DYNAMIC_LIGHTING D3DXVECTOR3 m_vNormal; // Dynamic Lighting Only #else DWORD m_dwDiffuseColor; // Static Lighting Only #endif FLOAT m_fTexCoords[2]; // Always Used #if defined WRAPPER_USE_GPU_WIND || defined WRAPPER_USE_GPU_LEAF_PLACEMENT FLOAT m_fWindIndex; // Only used when GPU is involved FLOAT m_fWindWeight; FLOAT m_fLeafPlacementIndex; FLOAT m_fLeafScalarValue; #endif }; /////////////////////////////////////////////////////////////////////// // Leaf Vertex Program static const char g_achLeafVertexProgram[] = { "vs.1.1\n" // identity shader version "dcl_position v0\n" // declare the data coming in #ifdef WRAPPER_USE_DYNAMIC_LIGHTING "dcl_normal v3\n" #else "dcl_color v5\n" #endif "dcl_texcoord0 v7\n" "dcl_texcoord1 v8\n" "dcl_texcoord2 v9\n" "mov oT0.xy, v7\n" // always pass texcoord0 through #ifdef WRAPPER_RENDER_SELF_SHADOWS "mov oT1.xy, v7\n" // 이게 빠졌음.. #endif #ifdef WRAPPER_USE_GPU_WIND // retrieve and convert wind matrix index "mov a0.x, v8.x\n" // perform wind interpolation "m4x4 r1, v0, c[54+a0.x]\n" // compute full wind effect "sub r2, r1, v0\n" // compute difference between full wind and none "mov r3.x, v8.y\n" // mad can't access two v's at once, use r3.x as tmp "mad r0, r2, r3.x, v0\n" // perform interpolation #else "mov r0, v0\n" // wind already handled, pass the vertex through #endif #ifdef WRAPPER_USE_GPU_LEAF_PLACEMENT "mov a0.x, v9.x\n" // place the leaves "mul r1, c[a0.x], v9.y\n" "add r0, r1, r0\n" #endif "mul r0, c[53], r0\n" // 스케일링 (임시) "add r0, c[52], r0\n" // translate to tree's position "m4x4 oPos, r0, c[0]\n" // project to screen #ifdef WRAPPER_USE_FOG "dp4 r1, r0, c[2]\n" // compute distance "sub r2.x, c[85].y, r1.z\n" // linear fog "mul oFog, r2.x, c[85].z\n" // write outputs #endif #ifdef WRAPPER_USE_STATIC_LIGHTING "mov oD0, v5\n" // pass color through #else //최적화 가능- 미리 계산 가능 "mov r1, c[74]\n" // can only use one const register per instruction "mul r5, c[73], r1\n" // diffuse values "mov r1, c[75]\n" // can only use one const register per instruction "mul r4, c[72], r1\n" // ambient values "dp3 r2.x, v3, c[71]\n" // dot light direction with normal "max r2.x, r2.x, c[70].x\n" // limit it "mad oD0, r2.x, r5, r4\n" // compute the final color #endif }; /////////////////////////////////////////////////////////////////////// // LoadLeafShader inline LPDIRECT3DVERTEXSHADER9 LoadLeafShader(LPDIRECT3DDEVICE9 pDx) { LPDIRECT3DVERTEXSHADER9 dwShader = NULL; #if defined WRAPPER_USE_GPU_LEAF_PLACEMENT || defined WRAPPER_USE_GPU_WIND // assemble shader LPD3DXBUFFER pCode, pError; DWORD dwFlag=0; #ifdef _DEBUG dwFlag=D3DXSHADER_DEBUG; #endif if (D3DXAssembleShader(g_achLeafVertexProgram, sizeof(g_achLeafVertexProgram) - 1, 0, NULL, dwFlag, &pCode, &pError) == D3D_OK) { if (pDx->CreateVertexShader((DWORD*) pCode->GetBufferPointer( ), &dwShader) != D3D_OK) { char szError[1024]; sprintf(szError, "Failed to create leaf vertex shader."); (void) MessageBoxA(NULL, szError, "Vertex Shader Error", MB_ICONSTOP); } } else { char szError[1024]; sprintf(szError, "Failed to assemble leaf vertex shader. The error reported is [ %s ].\n", (char*) pError->GetBufferPointer( )); (void) MessageBoxA(NULL, szError, "Vertex Shader Error", MB_ICONSTOP); } if (pCode) pCode->Release( ); #endif return dwShader; } #endif // _3DRENDERER_SPEEDTREEVERTEXSHADERS_H_