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OpenSubdiv/examples/dxViewer/dxviewer.cpp
manuelk 3ae50d1c50 Amending Apache license language & file headers. 
New text:

     Copyright 2013 Pixar

     Licensed under the Apache License, Version 2.0 (the "Apache License")
     with the following modification; you may not use this file except in
     compliance with the Apache License and the following modification to it:
     Section 6. Trademarks. is deleted and replaced with:

     6. Trademarks. This License does not grant permission to use the trade
        names, trademarks, service marks, or product names of the Licensor
        and its affiliates, except as required to comply with Section 4(c) of
        the License and to reproduce the content of the NOTICE file.

     You may obtain a copy of the Apache License at

         http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the Apache License with the above modification is
     distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     KIND, either express or implied. See the Apache License for the specific
     language governing permissions and limitations under the Apache License.
2013-09-26 12:04:57 -07:00

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//
// Copyright 2013 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include <D3D11.h>
#include <D3Dcompiler.h>
#include <osd/error.h>
#include <osd/vertex.h>
#include <osd/d3d11DrawContext.h>
#include <osd/d3d11DrawRegistry.h>
#include <osd/cpuD3D11VertexBuffer.h>
#include <osd/cpuComputeContext.h>
#include <osd/cpuComputeController.h>
OpenSubdiv::OsdCpuComputeController * g_cpuComputeController = NULL;
#ifdef OPENSUBDIV_HAS_OPENMP
#include <osd/ompComputeController.h>
OpenSubdiv::OsdOmpComputeController * g_ompComputeController = NULL;
#endif
#undef OPENSUBDIV_HAS_OPENCL // XXX: dyu OpenCL D3D11 interop needs work...
#ifdef OPENSUBDIV_HAS_OPENCL
#include <osd/clD3D11VertexBuffer.h>
#include <osd/clComputeContext.h>
#include <osd/clComputeController.h>
#include "../common/clInit.h"
cl_context g_clContext;
cl_command_queue g_clQueue;
OpenSubdiv::OsdCLComputeController * g_clComputeController = NULL;
#endif
#ifdef OPENSUBDIV_HAS_CUDA
#include <osd/cudaD3D11VertexBuffer.h>
#include <osd/cudaComputeContext.h>
#include <osd/cudaComputeController.h>
#include <cuda_runtime_api.h>
#include <cuda_d3d11_interop.h>
bool g_cudaInitialized = false;
OpenSubdiv::OsdCudaComputeController * g_cudaComputeController = NULL;
#endif
#include <osd/d3d11VertexBuffer.h>
#include <osd/d3d11ComputeContext.h>
#include <osd/d3d11ComputeController.h>
OpenSubdiv::OsdD3D11ComputeController * g_d3d11ComputeController = NULL;
#include <osd/d3d11Mesh.h>
OpenSubdiv::OsdD3D11MeshInterface *g_mesh;
#include "../../regression/common/shape_utils.h"
#include "../common/stopwatch.h"
#include "../common/simple_math.h"
#include "../common/d3d11_hud.h"
static const char *shaderSource =
#include "shader.inc"
;
#include <algorithm>
#include <cfloat>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
typedef OpenSubdiv::HbrMesh<OpenSubdiv::OsdVertex> OsdHbrMesh;
typedef OpenSubdiv::HbrVertex<OpenSubdiv::OsdVertex> OsdHbrVertex;
typedef OpenSubdiv::HbrFace<OpenSubdiv::OsdVertex> OsdHbrFace;
typedef OpenSubdiv::HbrHalfedge<OpenSubdiv::OsdVertex> OsdHbrHalfedge;
enum KernelType { kCPU = 0,
kOPENMP = 1,
kCUDA = 2,
kCL = 3,
kDirectCompute = 4 };
struct SimpleShape {
std::string name;
Scheme scheme;
std::string data;
SimpleShape() { }
SimpleShape( std::string const & idata, char const * iname, Scheme ischeme )
: name(iname), scheme(ischeme), data(idata) { }
};
std::vector<SimpleShape> g_defaultShapes;
int g_currentShape = 0;
int g_frame = 0,
g_repeatCount = 0;
// GUI variables
int g_freeze = 0,
g_wire = 2,
g_adaptive = 1,
g_drawCageEdges = 1,
g_drawCageVertices = 0,
g_drawPatchCVs = 0,
g_drawNormals = 0,
g_mbutton[3] = {0, 0, 0};
int g_displayPatchColor = 1;
float g_rotate[2] = {0, 0},
g_prev_x = 0,
g_prev_y = 0,
g_dolly = 5,
g_pan[2] = {0, 0},
g_center[3] = {0, 0, 0},
g_size = 0;
int g_width = 1024,
g_height = 1024;
D3D11hud *g_hud = NULL;
// performance
float g_cpuTime = 0;
float g_gpuTime = 0;
Stopwatch g_fpsTimer;
// geometry
std::vector<float> g_orgPositions,
g_positions,
g_normals;
Scheme g_scheme;
int g_level = 2;
int g_tessLevel = 1;
int g_tessLevelMin = 1;
int g_kernel = kCPU;
float g_moveScale = 0.0f;
std::vector<int> g_coarseEdges;
std::vector<float> g_coarseEdgeSharpness;
std::vector<float> g_coarseVertexSharpness;
ID3D11Device * g_pd3dDevice = NULL;
ID3D11DeviceContext * g_pd3dDeviceContext = NULL;
IDXGISwapChain * g_pSwapChain = NULL;
ID3D11RenderTargetView * g_pSwapChainRTV = NULL;
ID3D11RasterizerState* g_pRasterizerState = NULL;
ID3D11InputLayout* g_pInputLayout = NULL;
ID3D11DepthStencilState* g_pDepthStencilState = NULL;
ID3D11Texture2D * g_pDepthStencilBuffer = NULL;
ID3D11Buffer* g_pcbPerFrame = NULL;
ID3D11Buffer* g_pcbTessellation = NULL;
ID3D11Buffer* g_pcbLighting = NULL;
ID3D11DepthStencilView* g_pDepthStencilView = NULL;
bool g_bDone;
//------------------------------------------------------------------------------
static void
initializeShapes( ) {
#include <shapes/catmark_cube_corner0.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_corner0, "catmark_cube_corner0", kCatmark));
#include <shapes/catmark_cube_corner1.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_corner1, "catmark_cube_corner1", kCatmark));
#include <shapes/catmark_cube_corner2.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_corner2, "catmark_cube_corner2", kCatmark));
#include <shapes/catmark_cube_corner3.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_corner3, "catmark_cube_corner3", kCatmark));
#include <shapes/catmark_cube_corner4.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_corner4, "catmark_cube_corner4", kCatmark));
#include <shapes/catmark_cube_creases0.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_creases0, "catmark_cube_creases0", kCatmark));
#include <shapes/catmark_cube_creases1.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube_creases1, "catmark_cube_creases1", kCatmark));
#include <shapes/catmark_cube.h>
g_defaultShapes.push_back(SimpleShape(catmark_cube, "catmark_cube", kCatmark));
#include <shapes/catmark_dart_edgecorner.h>
g_defaultShapes.push_back(SimpleShape(catmark_dart_edgecorner, "catmark_dart_edgecorner", kCatmark));
#include <shapes/catmark_dart_edgeonly.h>
g_defaultShapes.push_back(SimpleShape(catmark_dart_edgeonly, "catmark_dart_edgeonly", kCatmark));
#include <shapes/catmark_edgecorner.h>
g_defaultShapes.push_back(SimpleShape(catmark_edgecorner ,"catmark_edgecorner", kCatmark));
#include <shapes/catmark_edgeonly.h>
g_defaultShapes.push_back(SimpleShape(catmark_edgeonly, "catmark_edgeonly", kCatmark));
#include <shapes/catmark_gregory_test1.h>
g_defaultShapes.push_back(SimpleShape(catmark_gregory_test1, "catmark_gregory_test1", kCatmark));
#include <shapes/catmark_gregory_test2.h>
g_defaultShapes.push_back(SimpleShape(catmark_gregory_test2, "catmark_gregory_test2", kCatmark));
#include <shapes/catmark_gregory_test3.h>
g_defaultShapes.push_back(SimpleShape(catmark_gregory_test3, "catmark_gregory_test3", kCatmark));
#include <shapes/catmark_gregory_test4.h>
g_defaultShapes.push_back(SimpleShape(catmark_gregory_test4, "catmark_gregory_test4", kCatmark));
#include <shapes/catmark_hole_test1.h>
g_defaultShapes.push_back(SimpleShape(catmark_hole_test1, "catmark_hole_test1", kCatmark));
#include <shapes/catmark_hole_test2.h>
g_defaultShapes.push_back(SimpleShape(catmark_hole_test2, "catmark_hole_test2", kCatmark));
#include <shapes/catmark_pyramid_creases0.h>
g_defaultShapes.push_back(SimpleShape(catmark_pyramid_creases0, "catmark_pyramid_creases0", kCatmark));
#include <shapes/catmark_pyramid_creases1.h>
g_defaultShapes.push_back(SimpleShape(catmark_pyramid_creases1, "catmark_pyramid_creases1", kCatmark));
#include <shapes/catmark_pyramid.h>
g_defaultShapes.push_back(SimpleShape(catmark_pyramid, "catmark_pyramid", kCatmark));
#include <shapes/catmark_tent_creases0.h>
g_defaultShapes.push_back(SimpleShape(catmark_tent_creases0, "catmark_tent_creases0", kCatmark));
#include <shapes/catmark_tent_creases1.h>
g_defaultShapes.push_back(SimpleShape(catmark_tent_creases1, "catmark_tent_creases1", kCatmark));
#include <shapes/catmark_tent.h>
g_defaultShapes.push_back(SimpleShape(catmark_tent, "catmark_tent", kCatmark));
#include <shapes/catmark_torus.h>
g_defaultShapes.push_back(SimpleShape(catmark_torus, "catmark_torus", kCatmark));
#include <shapes/catmark_torus_creases0.h>
g_defaultShapes.push_back(SimpleShape(catmark_torus_creases0, "catmark_torus_creases0", kCatmark));
#include <shapes/catmark_square_hedit0.h>
g_defaultShapes.push_back(SimpleShape(catmark_square_hedit0, "catmark_square_hedit0", kCatmark));
#include <shapes/catmark_square_hedit1.h>
g_defaultShapes.push_back(SimpleShape(catmark_square_hedit1, "catmark_square_hedit1", kCatmark));
#include <shapes/catmark_square_hedit2.h>
g_defaultShapes.push_back(SimpleShape(catmark_square_hedit2, "catmark_square_hedit2", kCatmark));
#include <shapes/catmark_square_hedit3.h>
g_defaultShapes.push_back(SimpleShape(catmark_square_hedit3, "catmark_square_hedit3", kCatmark));
#include <shapes/catmark_square_hedit4.h>
g_defaultShapes.push_back(SimpleShape(catmark_square_hedit4, "catmark_square_hedit4", kCatmark));
#include <shapes/catmark_bishop.h>
g_defaultShapes.push_back(SimpleShape(catmark_bishop, "catmark_bishop", kCatmark));
#include <shapes/catmark_car.h>
g_defaultShapes.push_back(SimpleShape(catmark_car, "catmark_car", kCatmark));
#include <shapes/catmark_helmet.h>
g_defaultShapes.push_back(SimpleShape(catmark_helmet, "catmark_helmet", kCatmark));
#include <shapes/catmark_pawn.h>
g_defaultShapes.push_back(SimpleShape(catmark_pawn, "catmark_pawn", kCatmark));
#include <shapes/catmark_rook.h>
g_defaultShapes.push_back(SimpleShape(catmark_rook, "catmark_rook", kCatmark));
#include <shapes/bilinear_cube.h>
g_defaultShapes.push_back(SimpleShape(bilinear_cube, "bilinear_cube", kBilinear));
#include <shapes/loop_cube_creases0.h>
g_defaultShapes.push_back(SimpleShape(loop_cube_creases0, "loop_cube_creases0", kLoop));
#include <shapes/loop_cube_creases1.h>
g_defaultShapes.push_back(SimpleShape(loop_cube_creases1, "loop_cube_creases1", kLoop));
#include <shapes/loop_cube.h>
g_defaultShapes.push_back(SimpleShape(loop_cube, "loop_cube", kLoop));
#include <shapes/loop_icosahedron.h>
g_defaultShapes.push_back(SimpleShape(loop_icosahedron, "loop_icosahedron", kLoop));
#include <shapes/loop_saddle_edgecorner.h>
g_defaultShapes.push_back(SimpleShape(loop_saddle_edgecorner, "loop_saddle_edgecorner", kLoop));
#include <shapes/loop_saddle_edgeonly.h>
g_defaultShapes.push_back(SimpleShape(loop_saddle_edgeonly, "loop_saddle_edgeonly", kLoop));
#include <shapes/loop_triangle_edgecorner.h>
g_defaultShapes.push_back(SimpleShape(loop_triangle_edgecorner, "loop_triangle_edgecorner", kLoop));
#include <shapes/loop_triangle_edgeonly.h>
g_defaultShapes.push_back(SimpleShape(loop_triangle_edgeonly, "loop_triangle_edgeonly", kLoop));
}
//------------------------------------------------------------------------------
static void
calcNormals(OsdHbrMesh * mesh, std::vector<float> const & pos, std::vector<float> & result ) {
// calc normal vectors
int nverts = (int)pos.size()/3;
int nfaces = mesh->GetNumCoarseFaces();
for (int i = 0; i < nfaces; ++i) {
OsdHbrFace * f = mesh->GetFace(i);
float const * p0 = &pos[f->GetVertex(0)->GetID()*3],
* p1 = &pos[f->GetVertex(1)->GetID()*3],
* p2 = &pos[f->GetVertex(2)->GetID()*3];
float n[3];
cross( n, p0, p1, p2 );
for (int j = 0; j < f->GetNumVertices(); j++) {
int idx = f->GetVertex(j)->GetID() * 3;
result[idx ] += n[0];
result[idx+1] += n[1];
result[idx+2] += n[2];
}
}
for (int i = 0; i < nverts; ++i)
normalize( &result[i*3] );
}
//------------------------------------------------------------------------------
static void
updateGeom() {
int nverts = (int)g_orgPositions.size() / 3;
std::vector<float> vertex;
vertex.reserve(nverts*6);
const float *p = &g_orgPositions[0];
const float *n = &g_normals[0];
float r = sin(g_frame*0.001f) * g_moveScale;
for (int i = 0; i < nverts; ++i) {
float move = 0.05f*cosf(p[0]*20+g_frame*0.01f);
float ct = cos(p[2] * r);
float st = sin(p[2] * r);
g_positions[i*3+0] = p[0]*ct + p[1]*st;
g_positions[i*3+1] = -p[0]*st + p[1]*ct;
g_positions[i*3+2] = p[2];
p += 3;
}
p = &g_positions[0];
for (int i = 0; i < nverts; ++i) {
vertex.push_back(p[0]);
vertex.push_back(p[1]);
vertex.push_back(p[2]);
vertex.push_back(n[0]);
vertex.push_back(n[1]);
vertex.push_back(n[2]);
p += 3;
n += 3;
}
g_mesh->UpdateVertexBuffer(&vertex[0], 0, nverts);
Stopwatch s;
s.Start();
g_mesh->Refine();
s.Stop();
g_cpuTime = float(s.GetElapsed() * 1000.0f);
s.Start();
g_mesh->Synchronize();
s.Stop();
g_gpuTime = float(s.GetElapsed() * 1000.0f);
}
//------------------------------------------------------------------------------
static const char *
getKernelName(int kernel) {
if (kernel == kCPU)
return "CPU";
else if (kernel == kOPENMP)
return "OpenMP";
else if (kernel == kCUDA)
return "Cuda";
else if (kernel == kCL)
return "OpenCL";
else if (kernel == kDirectCompute)
return "DirectCompute";
return "Unknown";
}
//------------------------------------------------------------------------------
static void
createOsdMesh( const std::string &shape, int level, int kernel, Scheme scheme=kCatmark ) {
// generate Hbr representation from "obj" description
OsdHbrMesh * hmesh = simpleHbr<OpenSubdiv::OsdVertex>(shape.c_str(), scheme, g_orgPositions);
g_normals.resize(g_orgPositions.size(),0.0f);
g_positions.resize(g_orgPositions.size(),0.0f);
calcNormals( hmesh, g_orgPositions, g_normals );
// save coarse topology (used for coarse mesh drawing)
g_coarseEdges.clear();
g_coarseEdgeSharpness.clear();
g_coarseVertexSharpness.clear();
int nf = hmesh->GetNumFaces();
for(int i=0; i<nf; ++i) {
OsdHbrFace *face = hmesh->GetFace(i);
int nv = face->GetNumVertices();
for(int j=0; j<nv; ++j) {
g_coarseEdges.push_back(face->GetVertex(j)->GetID());
g_coarseEdges.push_back(face->GetVertex((j+1)%nv)->GetID());
g_coarseEdgeSharpness.push_back(face->GetEdge(j)->GetSharpness());
}
}
int nv = hmesh->GetNumVertices();
for(int i=0; i<nv; ++i) {
g_coarseVertexSharpness.push_back(hmesh->GetVertex(i)->GetSharpness());
}
delete g_mesh;
g_mesh = NULL;
g_scheme = scheme;
// Adaptive refinement currently supported only for catmull-clark scheme
bool doAdaptive = (g_adaptive!=0 and g_scheme==kCatmark);
OpenSubdiv::OsdMeshBitset bits;
bits.set(OpenSubdiv::MeshAdaptive, doAdaptive);
int numVertexElements = 6;
int numVaryingElements = 0;
if (g_kernel == kCPU) {
if (not g_cpuComputeController) {
g_cpuComputeController = new OpenSubdiv::OsdCpuComputeController();
}
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuD3D11VertexBuffer,
OpenSubdiv::OsdCpuComputeController,
OpenSubdiv::OsdD3D11DrawContext>(
g_cpuComputeController,
hmesh,
numVertexElements,
numVaryingElements,
level, bits, g_pd3dDeviceContext);
#ifdef OPENSUBDIV_HAS_OPENMP
} else if (kernel == kOPENMP) {
if (not g_ompComputeController) {
g_ompComputeController = new OpenSubdiv::OsdOmpComputeController();
}
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuD3D11VertexBuffer,
OpenSubdiv::OsdOmpComputeController,
OpenSubdiv::OsdD3D11DrawContext>(
g_ompComputeController,
hmesh,
numVertexElements,
numVaryingElements,
level, bits, g_pd3dDeviceContext);
#endif
#ifdef OPENSUBDIV_HAS_OPENCL
} else if(kernel == kCL) {
if (not g_clComputeController) {
g_clComputeController = new OpenSubdiv::OsdCLComputeController(g_clContext, g_clQueue);
}
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCLD3D11VertexBuffer,
OpenSubdiv::OsdCLComputeController,
OpenSubdiv::OsdD3D11DrawContext>(
g_clComputeController,
hmesh,
numVertexElements,
numVaryingElements,
level, bits, g_pd3dDeviceContext);
#endif
#ifdef OPENSUBDIV_HAS_CUDA
} else if (g_kernel == kCUDA) {
if (not g_cudaComputeController) {
g_cudaComputeController = new OpenSubdiv::OsdCudaComputeController();
}
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCudaD3D11VertexBuffer,
OpenSubdiv::OsdCudaComputeController,
OpenSubdiv::OsdD3D11DrawContext>(
g_cudaComputeController,
hmesh,
numVertexElements,
numVaryingElements,
level, bits, g_pd3dDeviceContext);
#endif
} else if (g_kernel == kDirectCompute) {
if (not g_d3d11ComputeController) {
g_d3d11ComputeController = new OpenSubdiv::OsdD3D11ComputeController(g_pd3dDeviceContext);
}
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdD3D11VertexBuffer,
OpenSubdiv::OsdD3D11ComputeController,
OpenSubdiv::OsdD3D11DrawContext>(
g_d3d11ComputeController,
hmesh,
numVertexElements,
numVaryingElements,
level, bits, g_pd3dDeviceContext);
} else {
printf("Unsupported kernel %s\n", getKernelName(kernel));
}
// Hbr mesh can be deleted
delete hmesh;
// compute model bounding
float min[3] = { FLT_MAX, FLT_MAX, FLT_MAX};
float max[3] = {-FLT_MAX, -FLT_MAX, -FLT_MAX};
for (size_t i=0; i <g_orgPositions.size()/3; ++i) {
for(int j=0; j<3; ++j) {
float v = g_orgPositions[i*3+j];
min[j] = std::min(min[j], v);
max[j] = std::max(max[j], v);
}
}
for (int j=0; j<3; ++j) {
g_center[j] = (min[j] + max[j]) * 0.5f;
g_size += (max[j]-min[j])*(max[j]-min[j]);
}
g_size = sqrtf(g_size);
g_tessLevelMin = 1;
g_tessLevel = std::max(g_tessLevel,g_tessLevelMin);
updateGeom();
}
//------------------------------------------------------------------------------
static void
fitFrame() {
g_pan[0] = g_pan[1] = 0;
g_dolly = g_size;
}
//------------------------------------------------------------------------------
enum Effect {
kQuadWire = 0,
kQuadFill = 1,
kQuadLine = 2,
kTriWire = 3,
kTriFill = 4,
kTriLine = 5,
kPoint = 6,
};
typedef std::pair<OpenSubdiv::OsdDrawContext::PatchDescriptor, Effect> EffectDesc;
class EffectDrawRegistry : public OpenSubdiv::OsdD3D11DrawRegistry<EffectDesc> {
protected:
virtual ConfigType *
_CreateDrawConfig(DescType const & desc,
SourceConfigType const * sconfig,
ID3D11Device * pd3dDevice,
ID3D11InputLayout ** ppInputLayout,
D3D11_INPUT_ELEMENT_DESC const * pInputElementDescs,
int numInputElements);
virtual SourceConfigType *
_CreateDrawSourceConfig(DescType const & desc, ID3D11Device * pd3dDevice);
};
EffectDrawRegistry::SourceConfigType *
EffectDrawRegistry::_CreateDrawSourceConfig(
DescType const & desc, ID3D11Device * pd3dDevice)
{
Effect effect = desc.second;
SourceConfigType * sconfig =
BaseRegistry::_CreateDrawSourceConfig(desc.first, pd3dDevice);
sconfig->commonShader.AddDefine("OSD_ENABLE_PATCH_CULL");
sconfig->commonShader.AddDefine("OSD_ENABLE_SCREENSPACE_TESSELLATION");
bool smoothNormals = false;
if (desc.first.GetType() == OpenSubdiv::FarPatchTables::QUADS ||
desc.first.GetType() == OpenSubdiv::FarPatchTables::TRIANGLES) {
sconfig->vertexShader.source = shaderSource;
sconfig->vertexShader.target = "vs_5_0";
sconfig->vertexShader.entry = "vs_main";
} else {
if (effect == kQuadWire) effect = kTriWire;
if (effect == kQuadFill) effect = kTriFill;
if (effect == kQuadLine) effect = kTriLine;
smoothNormals = true;
}
assert(sconfig);
sconfig->geometryShader.source = shaderSource;
sconfig->geometryShader.target = "gs_5_0";
sconfig->pixelShader.source = shaderSource;
sconfig->pixelShader.target = "ps_5_0";
switch (effect) {
case kQuadWire:
sconfig->geometryShader.entry = "gs_quad_wire";
sconfig->geometryShader.AddDefine("PRIM_QUAD");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_WIRE");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_QUAD");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_WIRE");
break;
case kQuadFill:
sconfig->geometryShader.entry = "gs_quad";
sconfig->geometryShader.AddDefine("PRIM_QUAD");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_FILL");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_QUAD");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_FILL");
break;
case kQuadLine:
sconfig->geometryShader.entry = "gs_quad_wire";
sconfig->geometryShader.AddDefine("PRIM_QUAD");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_LINE");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_QUAD");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_LINE");
break;
case kTriWire:
sconfig->geometryShader.entry =
smoothNormals ? "gs_triangle_smooth_wire" : "gs_triangle_wire";
sconfig->geometryShader.AddDefine("PRIM_TRI");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_WIRE");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_TRI");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_WIRE");
break;
case kTriFill:
sconfig->geometryShader.entry =
smoothNormals ? "gs_triangle_smooth" : "gs_triangle";
sconfig->geometryShader.AddDefine("PRIM_TRI");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_FILL");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_TRI");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_FILL");
break;
case kTriLine:
sconfig->geometryShader.entry =
smoothNormals ? "gs_triangle_smooth_wire" : "gs_triangle_wire";
sconfig->geometryShader.AddDefine("PRIM_TRI");
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_LINE");
sconfig->pixelShader.entry = "ps_main";
sconfig->pixelShader.AddDefine("PRIM_TRI");
sconfig->pixelShader.AddDefine("GEOMETRY_OUT_LINE");
break;
case kPoint:
sconfig->geometryShader.entry = "gs_point";
sconfig->pixelShader.entry = "ps_main_point";
break;
}
return sconfig;
}
EffectDrawRegistry::ConfigType *
EffectDrawRegistry::_CreateDrawConfig(
DescType const & desc,
SourceConfigType const * sconfig,
ID3D11Device * pd3dDevice,
ID3D11InputLayout ** ppInputLayout,
D3D11_INPUT_ELEMENT_DESC const * pInputElementDescs,
int numInputElements)
{
ConfigType * config = BaseRegistry::_CreateDrawConfig(desc.first, sconfig,
pd3dDevice, ppInputLayout, pInputElementDescs, numInputElements);
assert(config);
return config;
}
EffectDrawRegistry effectRegistry;
static Effect
GetEffect()
{
if (g_scheme == kLoop) {
return (g_wire == 0 ? kTriWire : (g_wire == 1 ? kTriFill : kTriLine));
} else {
return (g_wire == 0 ? kQuadWire : (g_wire == 1 ? kQuadFill : kQuadLine));
}
}
//------------------------------------------------------------------------------
static void
bindProgram(Effect effect, OpenSubdiv::OsdDrawContext::PatchArray const & patch)
{
EffectDesc effectDesc(patch.GetDescriptor(), effect);
// input layout
const D3D11_INPUT_ELEMENT_DESC hInElementDesc[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 4*3, D3D11_INPUT_PER_VERTEX_DATA, 0 }
};
EffectDrawRegistry::ConfigType *
config = effectRegistry.GetDrawConfig(
effectDesc, g_pd3dDevice,
&g_pInputLayout, hInElementDesc, ARRAYSIZE(hInElementDesc));
assert(g_pInputLayout);
// Update transform state
{
__declspec(align(16))
struct CB_PER_FRAME_CONSTANTS
{
float ModelViewMatrix[16];
float ProjectionMatrix[16];
float ModelViewProjectionMatrix[16];
};
if (! g_pcbPerFrame) {
D3D11_BUFFER_DESC cbDesc;
ZeroMemory(&cbDesc, sizeof(cbDesc));
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
cbDesc.ByteWidth = sizeof(CB_PER_FRAME_CONSTANTS);
g_pd3dDevice->CreateBuffer(&cbDesc, NULL, &g_pcbPerFrame);
}
assert(g_pcbPerFrame);
D3D11_MAPPED_SUBRESOURCE MappedResource;
g_pd3dDeviceContext->Map(g_pcbPerFrame, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource);
CB_PER_FRAME_CONSTANTS* pData = ( CB_PER_FRAME_CONSTANTS* )MappedResource.pData;
float aspect = (g_height > 0) ? (float)g_width / g_height : 1.0f;
identity(pData->ModelViewMatrix);
translate(pData->ModelViewMatrix, -g_pan[0], -g_pan[1], -g_dolly);
rotate(pData->ModelViewMatrix, g_rotate[1], 1, 0, 0);
rotate(pData->ModelViewMatrix, g_rotate[0], 0, 1, 0);
translate(pData->ModelViewMatrix, -g_center[0], -g_center[2], g_center[1]); // z-up model
rotate(pData->ModelViewMatrix, -90, 1, 0, 0); // z-up model
identity(pData->ProjectionMatrix);
perspective(pData->ProjectionMatrix, 45.0, aspect, 0.01f, 500.0);
multMatrix(pData->ModelViewProjectionMatrix, pData->ModelViewMatrix, pData->ProjectionMatrix);
g_pd3dDeviceContext->Unmap( g_pcbPerFrame, 0 );
}
// Update tessellation state
{
__declspec(align(16))
struct Tessellation {
float TessLevel;
int GregoryQuadOffsetBase;
int PrimitiveIdBase;
};
if (! g_pcbTessellation) {
D3D11_BUFFER_DESC cbDesc;
ZeroMemory(&cbDesc, sizeof(cbDesc));
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
cbDesc.ByteWidth = sizeof(Tessellation);
g_pd3dDevice->CreateBuffer(&cbDesc, NULL, &g_pcbTessellation);
}
assert(g_pcbTessellation);
D3D11_MAPPED_SUBRESOURCE MappedResource;
g_pd3dDeviceContext->Map(g_pcbTessellation, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource);
Tessellation * pData = ( Tessellation* )MappedResource.pData;
pData->TessLevel = static_cast<float>(1 << g_tessLevel);
pData->GregoryQuadOffsetBase = patch.GetQuadOffsetIndex();
pData->PrimitiveIdBase = patch.GetPatchIndex();
g_pd3dDeviceContext->Unmap( g_pcbTessellation, 0 );
}
g_pd3dDeviceContext->IASetInputLayout(g_pInputLayout);
g_pd3dDeviceContext->VSSetShader(config->vertexShader, NULL, 0);
g_pd3dDeviceContext->VSSetConstantBuffers(0, 1, &g_pcbPerFrame);
g_pd3dDeviceContext->HSSetShader(config->hullShader, NULL, 0);
g_pd3dDeviceContext->HSSetConstantBuffers(0, 1, &g_pcbPerFrame);
g_pd3dDeviceContext->HSSetConstantBuffers(1, 1, &g_pcbTessellation);
g_pd3dDeviceContext->DSSetShader(config->domainShader, NULL, 0);
g_pd3dDeviceContext->DSSetConstantBuffers(0, 1, &g_pcbPerFrame);
g_pd3dDeviceContext->GSSetShader(config->geometryShader, NULL, 0);
g_pd3dDeviceContext->GSSetConstantBuffers(0, 1, &g_pcbPerFrame);
g_pd3dDeviceContext->PSSetShader(config->pixelShader, NULL, 0);
g_pd3dDeviceContext->PSSetConstantBuffers(0, 1, &g_pcbPerFrame);
g_pd3dDeviceContext->PSSetConstantBuffers(2, 1, &g_pcbLighting);
if (g_mesh->GetDrawContext()->vertexBufferSRV) {
g_pd3dDeviceContext->VSSetShaderResources(0, 1, &g_mesh->GetDrawContext()->vertexBufferSRV);
}
if (g_mesh->GetDrawContext()->vertexValenceBufferSRV) {
g_pd3dDeviceContext->VSSetShaderResources(1, 1, &g_mesh->GetDrawContext()->vertexValenceBufferSRV);
}
if (g_mesh->GetDrawContext()->quadOffsetBufferSRV) {
g_pd3dDeviceContext->HSSetShaderResources(2, 1, &g_mesh->GetDrawContext()->quadOffsetBufferSRV);
}
if (g_mesh->GetDrawContext()->ptexCoordinateBufferSRV) {
g_pd3dDeviceContext->HSSetShaderResources(3, 1, &g_mesh->GetDrawContext()->ptexCoordinateBufferSRV);
g_pd3dDeviceContext->DSSetShaderResources(3, 1, &g_mesh->GetDrawContext()->ptexCoordinateBufferSRV);
}
}
//------------------------------------------------------------------------------
static void
display()
{
float color[4] = {0.006f, 0.006f, 0.006f, 1.0f};
g_pd3dDeviceContext->ClearRenderTargetView(g_pSwapChainRTV, color);
// Clear the depth buffer.
g_pd3dDeviceContext->ClearDepthStencilView(g_pDepthStencilView, D3D11_CLEAR_DEPTH, 1.0f, 0);
g_pd3dDeviceContext->OMSetDepthStencilState(g_pDepthStencilState, 1);
g_pd3dDeviceContext->RSSetState(g_pRasterizerState);
ID3D11Buffer *buffer = g_mesh->BindVertexBuffer();
assert(buffer);
UINT hStrides = 6*sizeof(float);
UINT hOffsets = 0;
g_pd3dDeviceContext->IASetVertexBuffers(0, 1, &buffer, &hStrides, &hOffsets);
OpenSubdiv::OsdDrawContext::PatchArrayVector const & patches = g_mesh->GetDrawContext()->patchArrays;
g_pd3dDeviceContext->IASetIndexBuffer(g_mesh->GetDrawContext()->patchIndexBuffer, DXGI_FORMAT_R32_UINT, 0);
// cv drawing
#if 0
if (g_drawPatchCVs) {
bindProgram(kPoint, OpenSubdiv::OsdDrawContext::PatchArray());
g_pd3dDeviceContext->IASetPrimitiveTopology(
D3D11_PRIMITIVE_TOPOLOGY_POINTLIST);
for (int i=0; i<(int)patches.size(); ++i) {
OpenSubdiv::OsdDrawContext::PatchArray const & patch = patches[i];
g_pd3dDeviceContext->DrawIndexed(patch.GetNumIndices(),
patch.GetVertIndex(), 0);
}
}
#endif
// patch drawing
for (int i=0; i<(int)patches.size(); ++i) {
OpenSubdiv::OsdDrawContext::PatchArray const & patch = patches[i];
D3D11_PRIMITIVE_TOPOLOGY topology;
if (g_mesh->GetDrawContext()->IsAdaptive()) {
switch (patch.GetDescriptor().GetNumControlVertices()) {
case 4:
topology = D3D11_PRIMITIVE_TOPOLOGY_4_CONTROL_POINT_PATCHLIST;
break;
case 9:
topology = D3D11_PRIMITIVE_TOPOLOGY_9_CONTROL_POINT_PATCHLIST;
break;
case 12:
topology = D3D11_PRIMITIVE_TOPOLOGY_12_CONTROL_POINT_PATCHLIST;
break;
case 16:
topology = D3D11_PRIMITIVE_TOPOLOGY_16_CONTROL_POINT_PATCHLIST;
break;
default:
assert(false);
break;
}
} else {
if (g_scheme == kLoop) {
topology = D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
} else {
topology = D3D11_PRIMITIVE_TOPOLOGY_LINELIST_ADJ;
}
}
bindProgram(GetEffect(), patch);
g_pd3dDeviceContext->IASetPrimitiveTopology(topology);
g_pd3dDeviceContext->DrawIndexed(
patch.GetNumIndices(), patch.GetVertIndex(), 0);
}
if (g_hud->IsVisible()) {
g_fpsTimer.Stop();
double fps = 1.0/g_fpsTimer.GetElapsed();
g_fpsTimer.Start();
g_hud->DrawString(10, -100, "# of Vertices = %d", g_mesh->GetNumVertices());
g_hud->DrawString(10, -80, "SUBDIVISION = %s",
g_scheme==kBilinear ? "BILINEAR" : (g_scheme == kLoop ? "LOOP" : "CATMARK"));
g_hud->DrawString(10, -60, "GPU TIME = %.3f ms", g_gpuTime);
g_hud->DrawString(10, -40, "CPU TIME = %.3f ms", g_cpuTime);
g_hud->DrawString(10, -20, "FPS = %3.1f", fps);
}
g_hud->Flush();
g_pSwapChain->Present(0, 0);
}
//------------------------------------------------------------------------------
static void
motion(int x, int y) {
if (g_mbutton[0] && !g_mbutton[1] && !g_mbutton[2]) {
// orbit
g_rotate[0] += x - g_prev_x;
g_rotate[1] += y - g_prev_y;
} else if (!g_mbutton[0] && g_mbutton[1] && !g_mbutton[2]) {
// pan
g_pan[0] -= g_dolly*(x - g_prev_x)/g_width;
g_pan[1] += g_dolly*(y - g_prev_y)/g_height;
} else if ((g_mbutton[0] && g_mbutton[1] && !g_mbutton[2]) or
(!g_mbutton[0] && !g_mbutton[1] && g_mbutton[2])) {
// dolly
g_dolly -= g_dolly*0.01f*(x - g_prev_x);
if(g_dolly <= 0.01) g_dolly = 0.01f;
}
g_prev_x = float(x);
g_prev_y = float(y);
}
//------------------------------------------------------------------------------
static void
mouse(int button, int state, int x, int y) {
if (button == 0 && state == 1 && g_hud->MouseClick(x, y)) return;
if (button < 3) {
g_prev_x = float(x);
g_prev_y = float(y);
g_mbutton[button] = state;
}
}
//-----------------------------------------------------------------------------
static void
quit() {
g_bDone = true;
if (g_mesh)
delete g_mesh;
if (g_hud)
delete g_hud;
SAFE_RELEASE(g_pRasterizerState);
SAFE_RELEASE(g_pInputLayout);
SAFE_RELEASE(g_pDepthStencilState);
SAFE_RELEASE(g_pcbPerFrame);
SAFE_RELEASE(g_pcbTessellation);
SAFE_RELEASE(g_pcbLighting);
SAFE_RELEASE(g_pDepthStencilView);
SAFE_RELEASE(g_pSwapChainRTV);
SAFE_RELEASE(g_pSwapChain);
SAFE_RELEASE(g_pd3dDeviceContext);
SAFE_RELEASE(g_pd3dDevice);
delete g_cpuComputeController;
#ifdef OPENSUBDIV_HAS_OPENMP
delete g_ompComputeController;
#endif
#ifdef OPENSUBDIV_HAS_OPENCL
delete g_clComputeController;
uninitCL(g_clContext, g_clQueue);
#endif
#ifdef OPENSUBDIV_HAS_CUDA
delete g_cudaComputeController;
cudaDeviceReset();
#endif
delete g_d3d11ComputeController;
PostQuitMessage(0);
exit(0);
}
//------------------------------------------------------------------------------
static void
keyboard(char key) {
if (g_hud->KeyDown((int)key)) return;
switch (key) {
case 'Q': quit();
case 'F': fitFrame(); break;
case '+':
case '=': g_tessLevel++; break;
case '-': g_tessLevel = std::max(g_tessLevelMin, g_tessLevel-1); break;
case 0x1b: g_hud->SetVisible(!g_hud->IsVisible()); break;
}
}
//------------------------------------------------------------------------------
static void
callbackWireframe(int b)
{
g_wire = b;
}
static void
callbackKernel(int k)
{
g_kernel = k;
#ifdef OPENSUBDIV_HAS_OPENCL
if (g_kernel == kCL and g_clContext == NULL) {
if (initCL(&g_clContext, &g_clQueue) == false) {
printf("Error in initializing OpenCL\n");
exit(1);
}
}
#endif
#ifdef OPENSUBDIV_HAS_CUDA
if (g_kernel == kCUDA and g_cudaInitialized == false) {
g_cudaInitialized = true;
cudaD3D11SetDirect3DDevice( g_pd3dDevice );
}
#endif
createOsdMesh( g_defaultShapes[ g_currentShape ].data, g_level, g_kernel, g_defaultShapes[ g_currentShape ].scheme );
}
static void
callbackLevel(int l)
{
g_level = l;
createOsdMesh( g_defaultShapes[g_currentShape].data, g_level, g_kernel, g_defaultShapes[ g_currentShape ].scheme );
}
static void
callbackModel(int m)
{
if (m < 0)
m = 0;
if (m >= (int)g_defaultShapes.size())
m = (int)g_defaultShapes.size() - 1;
g_currentShape = m;
createOsdMesh( g_defaultShapes[m].data, g_level, g_kernel, g_defaultShapes[ g_currentShape ].scheme );
}
static void
callbackDisplayNormal(bool checked, int n)
{
g_drawNormals = checked;
}
static void
callbackAnimate(bool checked, int m)
{
g_moveScale = checked;
}
static void
callbackFreeze(bool checked, int f)
{
g_freeze = checked;
}
static void
callbackAdaptive(bool checked, int a)
{
g_adaptive = checked;
createOsdMesh( g_defaultShapes[g_currentShape].data, g_level, g_kernel, g_defaultShapes[ g_currentShape ].scheme );
}
static void
callbackDisplayCageEdges(bool checked, int d)
{
g_drawCageEdges = checked;
}
static void
callbackDisplayCageVertices(bool checked, int d)
{
g_drawCageVertices = checked;
}
static void
callbackDisplayPatchCVs(bool checked, int d)
{
g_drawPatchCVs = checked;
}
static void
callbackDisplayPatchColor(bool checked, int p)
{
g_displayPatchColor = checked;
}
static void
initHUD()
{
g_hud = new D3D11hud(g_pd3dDeviceContext);
g_hud->Init(g_width, g_height);
g_hud->AddRadioButton(0, "CPU (K)", true, 10, 10, callbackKernel, kCPU, 'K');
#ifdef OPENSUBDIV_HAS_OPENMP
g_hud->AddRadioButton(0, "OPENMP", false, 10, 30, callbackKernel, kOPENMP, 'K');
#endif
#ifdef OPENSUBDIV_HAS_CUDA
g_hud->AddRadioButton(0, "CUDA", false, 10, 50, callbackKernel, kCUDA, 'K');
#endif
#ifdef OPENSUBDIV_HAS_OPENCL
g_hud->AddRadioButton(0, "OPENCL", false, 10, 70, callbackKernel, kCL, 'K');
#endif
g_hud->AddRadioButton(0, "DirectCompute", false, 10, 90, callbackKernel, kDirectCompute, 'K');
g_hud->AddRadioButton(1, "Wire (W)", g_wire == 0, 200, 10, callbackWireframe, 0, 'W');
g_hud->AddRadioButton(1, "Shaded", g_wire == 1, 200, 30, callbackWireframe, 1, 'W');
g_hud->AddRadioButton(1, "Wire+Shaded", g_wire == 2, 200, 50, callbackWireframe, 2, 'W');
// g_hud->AddCheckBox("Cage Edges (H)", true, 350, 10, callbackDisplayCageEdges, 0, 'H');
// g_hud->AddCheckBox("Cage Verts (J)", false, 350, 30, callbackDisplayCageVertices, 0, 'J');
g_hud->AddCheckBox("Patch CVs (L)", false, 350, 50, callbackDisplayPatchCVs, 0, 'L');
// g_hud->AddCheckBox("Show normal vector (E)", false, 350, 10, callbackDisplayNormal, 0, 'E');
g_hud->AddCheckBox("Animate vertices (M)", g_moveScale != 0, 350, 70, callbackAnimate, 0, 'M');
g_hud->AddCheckBox("Patch Color (P)", true, 350, 90, callbackDisplayPatchColor, 0, 'p');
g_hud->AddCheckBox("Freeze (spc)", false, 350, 130, callbackFreeze, 0, ' ');
g_hud->AddCheckBox("Adaptive (`)", true, 10, 150, callbackAdaptive, 0, '`');
for (int i = 1; i < 11; ++i) {
char level[16];
sprintf(level, "Lv. %d", i);
g_hud->AddRadioButton(3, level, i==2, 10, 170+i*20, callbackLevel, i, '0'+(i%10));
}
for(int i = 0; i < (int)g_defaultShapes.size(); ++i){
g_hud->AddRadioButton(4, g_defaultShapes[i].name.c_str(), i==0, -220, 10+i*16, callbackModel, i, 'N');
}
callbackModel(g_currentShape);
}
//------------------------------------------------------------------------------
static bool
initD3D11(HWND hWnd)
{
D3D_DRIVER_TYPE driverTypes[] = {
D3D_DRIVER_TYPE_HARDWARE,
D3D_DRIVER_TYPE_WARP,
D3D_DRIVER_TYPE_REFERENCE,
};
UINT numDriverTypes = ARRAYSIZE(driverTypes);
DXGI_SWAP_CHAIN_DESC hDXGISwapChainDesc;
hDXGISwapChainDesc.BufferDesc.Width = g_width;
hDXGISwapChainDesc.BufferDesc.Height = g_height;
hDXGISwapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
hDXGISwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
hDXGISwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
hDXGISwapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
hDXGISwapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
hDXGISwapChainDesc.SampleDesc.Count = 1;
hDXGISwapChainDesc.SampleDesc.Quality = 0;
hDXGISwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
hDXGISwapChainDesc.BufferCount = 1;
hDXGISwapChainDesc.OutputWindow = hWnd;
hDXGISwapChainDesc.Windowed = TRUE;
hDXGISwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
hDXGISwapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
// create device and swap chain
HRESULT hr;
D3D_DRIVER_TYPE hDriverType = D3D_DRIVER_TYPE_NULL;
D3D_FEATURE_LEVEL hFeatureLevel = D3D_FEATURE_LEVEL_11_0;
for(UINT driverTypeIndex=0; driverTypeIndex < numDriverTypes; driverTypeIndex++){
hDriverType = driverTypes[driverTypeIndex];
hr = D3D11CreateDeviceAndSwapChain(NULL,
hDriverType, NULL, 0, NULL, 0,
D3D11_SDK_VERSION, &hDXGISwapChainDesc,
&g_pSwapChain, &g_pd3dDevice,
&hFeatureLevel, &g_pd3dDeviceContext);
if(SUCCEEDED(hr)){
break;
}
}
if(FAILED(hr)){
MessageBoxW(hWnd, L"D3D11CreateDeviceAndSwapChain", L"Err", MB_ICONSTOP);
return false;
}
// create rasterizer
D3D11_RASTERIZER_DESC rasterDesc;
ZeroMemory(&rasterDesc, sizeof(rasterDesc));
rasterDesc.AntialiasedLineEnable = false;
rasterDesc.CullMode = D3D11_CULL_NONE; // XXX
rasterDesc.DepthBias = 0;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = true;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.FrontCounterClockwise = true;
rasterDesc.MultisampleEnable = false;
rasterDesc.ScissorEnable = false;
rasterDesc.SlopeScaledDepthBias = 0.0f;
g_pd3dDevice->CreateRasterizerState(&rasterDesc, &g_pRasterizerState);
assert(g_pRasterizerState);
__declspec(align(16))
struct Lighting {
struct Light {
float position[4];
float ambient[4];
float diffuse[4];
float specular[4];
} lightSource[2];
} lightingData = {
0.5, 0.2f, 1.0f, 0.0f,
0.1f, 0.1f, 0.1f, 1.0f,
0.7f, 0.7f, 0.7f, 1.0f,
0.8f, 0.8f, 0.8f, 1.0f,
-0.8f, 0.4f, -1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f,
0.5f, 0.5f, 0.5f, 1.0f,
0.8f, 0.8f, 0.8f, 1.0f,
};
D3D11_BUFFER_DESC cbDesc;
ZeroMemory(&cbDesc, sizeof(cbDesc));
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
cbDesc.ByteWidth = sizeof(lightingData);
D3D11_SUBRESOURCE_DATA initData;
initData.pSysMem = &lightingData;
g_pd3dDevice->CreateBuffer(&cbDesc, &initData, &g_pcbLighting);
assert(g_pcbLighting);
// create depth stencil state
D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
ZeroMemory(&depthStencilDesc, sizeof(depthStencilDesc));
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D11_COMPARISON_LESS_EQUAL;
depthStencilDesc.StencilEnable = false;
g_pd3dDevice->CreateDepthStencilState(&depthStencilDesc, &g_pDepthStencilState);
assert(g_pDepthStencilState);
return true;
}
static bool
updateRenderTarget(HWND hWnd)
{
RECT rc;
GetClientRect(hWnd, &rc);
UINT width = rc.right - rc.left;
UINT height = rc.bottom - rc.top;
if (g_pSwapChainRTV && (g_width == width) && (g_height == height)) {
return true;
}
g_width = width;
g_height = height;
g_hud->Rebuild(g_width, g_height);
SAFE_RELEASE(g_pSwapChainRTV);
g_pSwapChain->ResizeBuffers(0, g_width, g_height, DXGI_FORMAT_UNKNOWN, 0);
// get backbuffer of swap chain
ID3D11Texture2D* hpBackBuffer = NULL;
if(FAILED(g_pSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&hpBackBuffer))){
MessageBoxW(hWnd, L"SwpChain GetBuffer", L"Err", MB_ICONSTOP);
return false;
}
// create render target from the back buffer
if(FAILED(g_pd3dDevice->CreateRenderTargetView(hpBackBuffer, NULL, &g_pSwapChainRTV))){
MessageBoxW(hWnd, L"CreateRenderTargetView", L"Err", MB_ICONSTOP);
return false;
}
SAFE_RELEASE(hpBackBuffer);
// create depth buffer
D3D11_TEXTURE2D_DESC depthBufferDesc;
ZeroMemory(&depthBufferDesc, sizeof(depthBufferDesc));
depthBufferDesc.Width = g_width;
depthBufferDesc.Height = g_height;
depthBufferDesc.MipLevels = 1;
depthBufferDesc.ArraySize = 1;
depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthBufferDesc.SampleDesc.Count = 1;
depthBufferDesc.SampleDesc.Quality = 0;
depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
depthBufferDesc.CPUAccessFlags = 0;
depthBufferDesc.MiscFlags = 0;
g_pd3dDevice->CreateTexture2D(&depthBufferDesc, NULL, &g_pDepthStencilBuffer);
assert(g_pDepthStencilBuffer);
D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
ZeroMemory(&depthStencilViewDesc, sizeof(depthStencilViewDesc));
depthStencilViewDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthStencilViewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
depthStencilViewDesc.Texture2D.MipSlice = 0;
g_pd3dDevice->CreateDepthStencilView(g_pDepthStencilBuffer, &depthStencilViewDesc, &g_pDepthStencilView);
assert(g_pDepthStencilView);
// set device context to the render target
g_pd3dDeviceContext->OMSetRenderTargets(1, &g_pSwapChainRTV, g_pDepthStencilView);
// init viewport
D3D11_VIEWPORT vp;
vp.TopLeftX = 0;
vp.TopLeftY = 0;
vp.Width = (float)g_width;
vp.Height = (float)g_height;
vp.MinDepth = 0.0f;
vp.MaxDepth = 1.0f;
g_pd3dDeviceContext->RSSetViewports(1, &vp);
return true;
}
//------------------------------------------------------------------------------
static void
callbackError(OpenSubdiv::OsdErrorType err, const char *message)
{
std::ostringstream s;
s << "OsdError: " << err << "\n";
s << message;
OutputDebugString(s.str().c_str());
}
//------------------------------------------------------------------------------
static LRESULT WINAPI
msgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_KEYDOWN:
keyboard(MapVirtualKey(UINT(wParam), MAPVK_VK_TO_CHAR));
break;
case WM_DESTROY:
quit();
return 0;
case WM_MOUSEMOVE:
motion(LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_LBUTTONDOWN:
mouse(0, 1, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_LBUTTONUP:
mouse(0, 0, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_MBUTTONDOWN:
mouse(1, 1, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_MBUTTONUP:
mouse(1, 0, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_RBUTTONDOWN:
mouse(2, 1, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_RBUTTONUP:
mouse(2, 0, LOWORD(lParam), HIWORD(lParam));
return 0;
case WM_PAINT:
ValidateRect(hWnd, NULL);
return 0;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
static std::vector<std::string>
tokenize(std::string const & src)
{
std::vector<std::string> result;
std::stringstream input(src);
std::copy(std::istream_iterator<std::string>(input),
std::istream_iterator<std::string>(),
std::back_inserter< std::vector<std::string> >(result));
return result;
}
int WINAPI
WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
// register window class
TCHAR szWindowClass[] = "OPENSUBDIV_EXAMPLE";
WNDCLASS wcex;
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = msgProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = NULL;
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
RegisterClass(&wcex);
// crete window
RECT rect = { 0, 0, g_width, g_height };
AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, FALSE);
HWND hWnd = CreateWindow(szWindowClass,
"OpenSubdiv DirectX Viewer",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT,
CW_USEDEFAULT,
rect.right - rect.left,
rect.bottom - rect.top,
NULL,
NULL,
hInstance,
NULL);
std::vector<std::string> args = tokenize(lpCmdLine);
for (int i=0; i<args.size(); ++i) {
std::ifstream ifs(args[i]);
if (ifs) {
std::stringstream ss;
ss << ifs.rdbuf();
ifs.close();
std::string str = ss.str();
g_defaultShapes.push_back(SimpleShape(str.c_str(), args[i].c_str(), kCatmark));
}
}
initializeShapes();
OsdSetErrorCallback(callbackError);
initD3D11(hWnd);
initHUD();
// main loop
while (g_bDone == false) {
MSG msg;
ZeroMemory(&msg, sizeof(msg));
while (msg.message != WM_QUIT) {
while (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) {
if (msg.message == WM_QUIT) goto end;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (not g_freeze)
g_frame++;
updateGeom();
updateRenderTarget(hWnd);
display();
}
}
end:
quit();
}
//------------------------------------------------------------------------------
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