2013-03-08 01:50:15 +00:00
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//
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// Copyright (C) Pixar. All rights reserved.
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//
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// This license governs use of the accompanying software. If you
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// use the software, you accept this license. If you do not accept
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// the license, do not use the software.
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//
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// 1. Definitions
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// The terms "reproduce," "reproduction," "derivative works," and
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// "distribution" have the same meaning here as under U.S.
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// copyright law. A "contribution" is the original software, or
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// any additions or changes to the software.
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// A "contributor" is any person or entity that distributes its
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// contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read
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// directly on its contribution.
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//
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// 2. Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free copyright license to reproduce its contribution,
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// prepare derivative works of its contribution, and distribute
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// its contribution or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free license under its licensed patents to make, have
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// made, use, sell, offer for sale, import, and/or otherwise
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// dispose of its contribution in the software or derivative works
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// of the contribution in the software.
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//
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// 3. Conditions and Limitations
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// (A) No Trademark License- This license does not grant you
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// rights to use any contributor's name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over
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// patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends
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// automatically.
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// (C) If you distribute any portion of the software, you must
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// retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source
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// code form, you may do so only under this license by including a
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// complete copy of this license with your distribution. If you
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// distribute any portion of the software in compiled or object
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// code form, you may only do so under a license that complies
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// with this license.
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// (E) The software is licensed "as-is." You bear the risk of
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// using it. The contributors give no express warranties,
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// guarantees or conditions. You may have additional consumer
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// rights under your local laws which this license cannot change.
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// To the extent permitted under your local laws, the contributors
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// exclude the implied warranties of merchantability, fitness for
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// a particular purpose and non-infringement.
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//
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#if defined(__APPLE__)
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#include <OpenGL/gl3.h>
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#define GLFW_INCLUDE_GL3
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#define GLFW_NO_GLU
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#else
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#include <stdlib.h>
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#include <GL/glew.h>
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#if defined(WIN32)
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#include <GL/wglew.h>
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#endif
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#endif
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#if defined(GLFW_VERSION_3)
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#include <GL/glfw3.h>
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GLFWwindow* g_window=0;
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GLFWmonitor* g_primary=0;
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#else
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#include <GL/glfw.h>
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#endif
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#include <osd/error.h>
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#include <osd/vertex.h>
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#include <osd/glDrawContext.h>
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#include <osd/glDrawRegistry.h>
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#include <osd/sortedDrawContext.h>
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#include <osd/cpuGLVertexBuffer.h>
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#include <osd/cpuComputeContext.h>
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#include <osd/cpuComputeController.h>
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OpenSubdiv::OsdCpuComputeController *g_cpuComputeController = NULL;
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#ifdef OPENSUBDIV_HAS_OPENMP
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#include <osd/ompComputeController.h>
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#endif
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#ifdef OPENSUBDIV_HAS_GCD
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#include <osd/gcdComputeController.h>
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#endif
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#ifdef OPENSUBDIV_HAS_OPENCL
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#include <osd/clGLVertexBuffer.h>
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#include <osd/clComputeContext.h>
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#include <osd/clComputeController.h>
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#include "../common/clInit.h"
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cl_context g_clContext;
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cl_command_queue g_clQueue;
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#endif
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#ifdef OPENSUBDIV_HAS_CUDA
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#include <osd/cudaGLVertexBuffer.h>
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#include <osd/cudaComputeContext.h>
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#include <osd/cudaComputeController.h>
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#include <cuda_runtime_api.h>
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#include <cuda_gl_interop.h>
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#include "../common/cudaInit.h"
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bool g_cudaInitialized = false;
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#endif
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#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
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#include <osd/glslTransformFeedbackComputeContext.h>
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#include <osd/glslTransformFeedbackComputeController.h>
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#include <osd/glVertexBuffer.h>
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#endif
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#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
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#include <osd/glslComputeContext.h>
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#include <osd/glslComputeController.h>
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#include <osd/glVertexBuffer.h>
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#endif
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#include <far/meshFactory.h>
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#include <far/multiMeshFactory.h>
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OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *g_farMesh = NULL;
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template <class CONTROLLER> class Controller
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{
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public:
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static CONTROLLER *GetInstance() {
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static CONTROLLER *instance = NULL;
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if (not instance) instance = new CONTROLLER();
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return instance;
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}
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};
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template<typename V> void updateData(V *vertexBuffer, const float *src, int numVertices, int startVertex) {
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vertexBuffer->UpdateData(src, numVertices, startVertex);
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}
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#ifdef OPENSUBDIV_HAS_OPENCL
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template<> class Controller<OpenSubdiv::OsdCLComputeController>
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{
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public:
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static OpenSubdiv::OsdCLComputeController *GetInstance() {
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static OpenSubdiv::OsdCLComputeController *instance = NULL;
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if (not instance) instance = new OpenSubdiv::OsdCLComputeController(g_clContext, g_clQueue);
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return instance;
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}
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};
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template<> void updateData(OpenSubdiv::OsdCLGLVertexBuffer *vertexBuffer, const float *src, int numVertices, int startVertex) {
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vertexBuffer->UpdateData(src, numVertices, startVertex, g_clQueue);
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}
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#endif
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class MeshBase
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{
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public:
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virtual ~MeshBase() {}
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virtual void UpdateData(const float *src, int numVertices, int startVertex)=0;
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virtual void Refine()=0;
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virtual void Synchronize()=0;
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virtual GLuint BindVBO()=0;
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virtual size_t GetVBOMemoryUsed() const=0;
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virtual OpenSubdiv::OsdGLDrawContext *GetDrawContext()=0;
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virtual OpenSubdiv::OsdSortedDrawContext *GetSortedDrawContext()=0;
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};
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template <class VERTEX_BUFFER,
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class COMPUTE_CONTEXT,
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class COMPUTE_CONTROLLER> class Mesh : public MeshBase
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{
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public:
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static Mesh *Create(OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farmesh) {
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COMPUTE_CONTEXT *computeContext = COMPUTE_CONTEXT::Create(farmesh);
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VERTEX_BUFFER *computeVertexBuffer = VERTEX_BUFFER::Create(3, farmesh->GetNumVertices());
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OpenSubdiv::OsdGLDrawContext *drawContext = OpenSubdiv::OsdGLDrawContext::Create(farmesh, computeVertexBuffer);
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OpenSubdiv::OsdSortedDrawContext *sortedDrawContext = farmesh->GetPatchTables() ?
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new OpenSubdiv::OsdSortedDrawContext(farmesh->GetPatchTables()->GetPatchCounts(), drawContext->patchArrays) : NULL;
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return new Mesh(computeContext,
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computeVertexBuffer,
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drawContext,
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sortedDrawContext,
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farmesh->GetKernelBatches());
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}
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static Mesh *Create(OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farmesh, cl_context clContext) {
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COMPUTE_CONTEXT *computeContext = COMPUTE_CONTEXT::Create(farmesh, clContext);
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VERTEX_BUFFER *computeVertexBuffer = VERTEX_BUFFER::Create(3, farmesh->GetNumVertices(), clContext);
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OpenSubdiv::OsdGLDrawContext *drawContext = OpenSubdiv::OsdGLDrawContext::Create(farmesh, computeVertexBuffer);
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OpenSubdiv::OsdSortedDrawContext *sortedDrawContext = farmesh->GetPatchTables() ?
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new OpenSubdiv::OsdSortedDrawContext(farmesh->GetPatchTables()->GetPatchCounts(), drawContext->patchArrays) : NULL;
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return new Mesh(computeContext,
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computeVertexBuffer,
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drawContext,
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sortedDrawContext,
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farmesh->GetKernelBatches());
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}
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virtual ~Mesh() {
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delete _computeContext;
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delete _computeVertexBuffer;
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delete _drawContext;
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}
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virtual OpenSubdiv::OsdGLDrawContext *GetDrawContext() {
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return _drawContext;
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}
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virtual OpenSubdiv::OsdSortedDrawContext *GetSortedDrawContext() {
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return _sortedDrawContext;
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}
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virtual void UpdateData(const float *src, int startVertex, int numVertices) {
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updateData(_computeVertexBuffer, src, startVertex, numVertices) ;
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}
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virtual void Refine() {
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Controller<COMPUTE_CONTROLLER>::GetInstance()->Refine(_computeContext,
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_batches,
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_computeVertexBuffer);
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}
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virtual void Synchronize() {
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Controller<COMPUTE_CONTROLLER>::GetInstance()->Synchronize();
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}
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virtual GLuint BindVBO() {
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return _computeVertexBuffer->BindVBO();
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}
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virtual size_t GetVBOMemoryUsed() const {
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size_t size = _computeVertexBuffer->GetNumElements() * _computeVertexBuffer->GetNumVertices() * sizeof(float);
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return size;
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}
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protected:
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Mesh(COMPUTE_CONTEXT *computeContext,
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VERTEX_BUFFER *computeVertexBuffer,
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OpenSubdiv::OsdGLDrawContext *drawContext,
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OpenSubdiv::OsdSortedDrawContext *sortedDrawContext,
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OpenSubdiv::FarKernelBatchVector const &batches) :
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_computeVertexBuffer(computeVertexBuffer),
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_computeContext(computeContext),
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_drawContext(drawContext),
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_sortedDrawContext(sortedDrawContext),
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_batches(batches) {}
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private:
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VERTEX_BUFFER *_computeVertexBuffer;
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COMPUTE_CONTEXT *_computeContext;
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OpenSubdiv::OsdGLDrawContext *_drawContext;
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OpenSubdiv::OsdSortedDrawContext *_sortedDrawContext;
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OpenSubdiv::FarKernelBatchVector _batches;
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};
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MeshBase *g_mesh;
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#include <common/shape_utils.h>
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#include "../common/stopwatch.h"
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#include "../common/simple_math.h"
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#include "../common/gl_hud.h"
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static const char *shaderSource =
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#if defined(GL_ARB_tessellation_shader) || defined(GL_VERSION_4_0)
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#include "shader.inc"
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#else
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#include "shader_gl3.inc"
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#endif
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;
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#include <cfloat>
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#include <vector>
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#include <fstream>
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#include <sstream>
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typedef OpenSubdiv::HbrMesh<OpenSubdiv::OsdVertex> OsdHbrMesh;
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typedef OpenSubdiv::HbrVertex<OpenSubdiv::OsdVertex> OsdHbrVertex;
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typedef OpenSubdiv::HbrFace<OpenSubdiv::OsdVertex> OsdHbrFace;
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typedef OpenSubdiv::HbrHalfedge<OpenSubdiv::OsdVertex> OsdHbrHalfedge;
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enum KernelType { kCPU = 0,
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kOPENMP = 1,
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kGCD = 2,
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kCUDA = 3,
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kCL = 4,
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kGLSL = 5,
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kGLSLCompute = 6 };
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enum HudCheckBox { HUD_CB_DRAW_AT_ONCE,
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HUD_CB_ADAPTIVE,
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HUD_CB_ANIMATE_VERTICES,
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HUD_CB_DISPLAY_PATCH_COLOR,
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HUD_CB_VIEW_LOD,
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HUD_CB_FREEZE };
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struct SimpleShape {
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std::string name;
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Scheme scheme;
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2013-03-19 21:41:49 +00:00
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std::string data;
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2013-03-08 01:50:15 +00:00
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SimpleShape() { }
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2013-03-19 21:41:49 +00:00
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SimpleShape( std::string const & idata, char const * iname, Scheme ischeme )
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2013-03-08 01:50:15 +00:00
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: name(iname), scheme(ischeme), data(idata) { }
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};
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std::vector<SimpleShape> g_defaultShapes;
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int g_currentShape = 0;
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int g_frame = 0,
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g_repeatCount = 0;
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// GUI variables
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int g_fullscreen = 0,
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g_freeze = 0,
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g_wire = 2,
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g_adaptive = 1,
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g_drawAtOnce = 0,
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g_mbutton[3] = {0, 0, 0},
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g_running = 1;
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int g_displayPatchColor = 1;
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float g_rotate[2] = {0, 0},
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g_dolly = 5,
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g_pan[2] = {0, 0},
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g_center[3] = {0, 0, 0},
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g_size = 1;
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int g_prev_x = 0,
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g_prev_y = 0;
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int g_width = 1024,
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g_height = 1024;
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GLhud g_hud;
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// performance
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float g_cpuTime = 0;
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float g_gpuTime = 0;
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Stopwatch g_fpsTimer;
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double g_totalTime = 0;
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// geometry
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std::vector<std::vector<float> > g_positions;
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std::vector<int> g_vertexOffsets;
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struct BBox {
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|
|
|
BBox(const float *min, const float *max) {
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
|
|
_p[0][i] = min[i];
|
|
|
|
_p[1][i] = max[i];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
bool OutOfFrustum(const float *modelViewProjection) {
|
|
|
|
int clip_or = 0;
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
|
|
for (int j = 0; j < 2; ++j) {
|
|
|
|
for (int k = 0; k < 2; ++k) {
|
|
|
|
float v[4];
|
|
|
|
v[0] = _p[i][0];
|
|
|
|
v[1] = _p[j][1];
|
|
|
|
v[2] = _p[k][2];
|
|
|
|
v[3] = 1.0f;
|
|
|
|
apply(v, modelViewProjection);
|
|
|
|
int clip = 0;
|
|
|
|
clip = (v[0] < v[3]);
|
|
|
|
clip = (v[1] < v[3]) | (clip << 1);
|
|
|
|
clip = (v[0] > -v[3]) | (clip << 1);
|
|
|
|
clip = (v[1] > -v[3]) | (clip << 1);
|
|
|
|
clip_or |= clip;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return clip_or != 0xf;
|
|
|
|
}
|
|
|
|
float _p[2][3];
|
|
|
|
};
|
|
|
|
std::vector<BBox> g_bboxes;
|
|
|
|
struct Matrix {
|
|
|
|
float value[16];
|
|
|
|
};
|
|
|
|
std::vector<Matrix> g_transforms;
|
|
|
|
|
|
|
|
Scheme g_scheme;
|
|
|
|
|
|
|
|
int g_level = 2;
|
|
|
|
int g_tessLevel = 1;
|
|
|
|
int g_tessLevelMin = 0;
|
|
|
|
int g_screenSpaceTess = 1;
|
|
|
|
int g_kernel = kCPU;
|
|
|
|
float g_moveScale = 0.0f;
|
|
|
|
#define MAX_MODELS 600
|
|
|
|
int g_modelCount = 4;
|
|
|
|
|
|
|
|
GLuint g_transformUB = 0,
|
|
|
|
g_transformBinding = 0,
|
|
|
|
g_tessellationUB = 0,
|
|
|
|
g_tessellationBinding = 0,
|
|
|
|
g_lightingUB = 0,
|
|
|
|
g_lightingBinding = 0;
|
|
|
|
|
|
|
|
// XXX: temp. should be moved to glDrawContext
|
|
|
|
std::map<GLuint, GLuint> g_gregoryQuadOffsetBaseMap;
|
|
|
|
std::map<GLuint, GLuint> g_levelBaseMap;
|
|
|
|
|
|
|
|
struct Transform {
|
|
|
|
float ModelViewMatrix[16];
|
|
|
|
float ProjectionMatrix[16];
|
|
|
|
float ModelViewProjectionMatrix[16];
|
|
|
|
} g_transformData;
|
|
|
|
|
|
|
|
GLuint g_primQuery = 0;
|
|
|
|
|
|
|
|
GLuint g_vao = 0;
|
|
|
|
|
|
|
|
struct Program
|
|
|
|
{
|
|
|
|
GLuint program;
|
|
|
|
GLuint uniformModelViewProjectionMatrix;
|
|
|
|
GLuint attrPosition;
|
|
|
|
GLuint attrColor;
|
|
|
|
} g_defaultProgram;
|
|
|
|
|
|
|
|
static void
|
|
|
|
checkGLErrors(std::string const & where = "")
|
|
|
|
{
|
|
|
|
GLuint err;
|
|
|
|
while ((err = glGetError()) != GL_NO_ERROR) {
|
|
|
|
/*
|
|
|
|
std::cerr << "GL error: "
|
|
|
|
<< (where.empty() ? "" : where + " ")
|
|
|
|
<< err << "\n";
|
|
|
|
*/
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static GLuint
|
|
|
|
compileShader(GLenum shaderType, const char *source)
|
|
|
|
{
|
|
|
|
GLuint shader = glCreateShader(shaderType);
|
|
|
|
glShaderSource(shader, 1, &source, NULL);
|
|
|
|
glCompileShader(shader);
|
|
|
|
checkGLErrors("compileShader");
|
|
|
|
return shader;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
|
|
|
linkDefaultProgram()
|
|
|
|
{
|
|
|
|
#if defined(GL_ARB_tessellation_shader) || defined(GL_VERSION_4_0)
|
|
|
|
#define GLSL_VERSION_DEFINE "#version 400\n"
|
|
|
|
#else
|
|
|
|
#define GLSL_VERSION_DEFINE "#version 150\n"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static const char *vsSrc =
|
|
|
|
GLSL_VERSION_DEFINE
|
|
|
|
"in vec3 position;\n"
|
|
|
|
"in vec3 color;\n"
|
|
|
|
"out vec4 fragColor;\n"
|
|
|
|
"uniform mat4 ModelViewProjectionMatrix;\n"
|
|
|
|
"void main() {\n"
|
|
|
|
" fragColor = vec4(color, 1);\n"
|
|
|
|
" gl_Position = ModelViewProjectionMatrix * "
|
|
|
|
" vec4(position, 1);\n"
|
|
|
|
"}\n";
|
|
|
|
|
|
|
|
static const char *fsSrc =
|
|
|
|
GLSL_VERSION_DEFINE
|
|
|
|
"in vec4 fragColor;\n"
|
|
|
|
"out vec4 color;\n"
|
|
|
|
"void main() {\n"
|
|
|
|
" color = fragColor;\n"
|
|
|
|
"}\n";
|
|
|
|
|
|
|
|
GLuint program = glCreateProgram();
|
|
|
|
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vsSrc);
|
|
|
|
GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fsSrc);
|
|
|
|
|
|
|
|
glAttachShader(program, vertexShader);
|
|
|
|
glAttachShader(program, fragmentShader);
|
|
|
|
|
|
|
|
glLinkProgram(program);
|
|
|
|
|
|
|
|
GLint status;
|
|
|
|
glGetProgramiv(program, GL_LINK_STATUS, &status);
|
|
|
|
if (status == GL_FALSE) {
|
|
|
|
GLint infoLogLength;
|
|
|
|
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &infoLogLength);
|
|
|
|
char *infoLog = new char[infoLogLength];
|
|
|
|
glGetProgramInfoLog(program, infoLogLength, NULL, infoLog);
|
|
|
|
printf("%s\n", infoLog);
|
|
|
|
delete[] infoLog;
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_defaultProgram.program = program;
|
|
|
|
g_defaultProgram.uniformModelViewProjectionMatrix =
|
|
|
|
glGetUniformLocation(program, "ModelViewProjectionMatrix");
|
|
|
|
g_defaultProgram.attrPosition = glGetAttribLocation(program, "position");
|
|
|
|
g_defaultProgram.attrColor = glGetAttribLocation(program, "color");
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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_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));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef WIN32 // exceeds max string literal (65535 chars)
|
|
|
|
#include <shapes/catmark_bishop.h>
|
|
|
|
g_defaultShapes.push_back(SimpleShape(catmark_bishop, "catmark_bishop", kCatmark));
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifndef WIN32 // exceeds max string literal (65535 chars)
|
|
|
|
#include <shapes/catmark_car.h>
|
|
|
|
g_defaultShapes.push_back(SimpleShape(catmark_car, "catmark_car", kCatmark));
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#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));
|
|
|
|
|
|
|
|
#ifndef WIN32 // exceeds max string literal (65535 chars)
|
|
|
|
#include <shapes/catmark_rook.h>
|
|
|
|
g_defaultShapes.push_back(SimpleShape(catmark_rook, "catmark_rook", kCatmark));
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
#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
|
|
|
|
updateGeom() {
|
|
|
|
|
|
|
|
float r = (float)sin(g_totalTime) * g_moveScale;
|
|
|
|
for (int j = 0; j < g_modelCount * g_modelCount; ++j) {
|
|
|
|
int nverts = (int)g_positions[j].size()/3;
|
|
|
|
|
|
|
|
std::vector<float> vertex;
|
|
|
|
vertex.resize(nverts * 3);
|
|
|
|
float * d = &vertex[0];
|
|
|
|
|
|
|
|
const float *p = &g_positions[j][0];
|
|
|
|
for (int i = 0; i < nverts; ++i) {
|
|
|
|
float ct = cos(p[2] * r);
|
|
|
|
float st = sin(p[2] * r);
|
|
|
|
float v[4];
|
|
|
|
v[0] = p[0]*ct + p[1]*st;
|
|
|
|
v[1] = -p[0]*st + p[1]*ct;
|
|
|
|
v[2] = p[2];
|
|
|
|
v[3] = 1;
|
|
|
|
apply(v, g_transforms[j].value);
|
|
|
|
*d++ = v[0];
|
|
|
|
*d++ = v[1];
|
|
|
|
*d++ = v[2];
|
|
|
|
|
|
|
|
p += 3;
|
|
|
|
}
|
|
|
|
|
|
|
|
g_mesh->UpdateData(&vertex[0], g_vertexOffsets[j], 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 == kGCD)
|
|
|
|
return "GCD";
|
|
|
|
else if (kernel == kCUDA)
|
|
|
|
return "Cuda";
|
|
|
|
else if (kernel == kGLSL)
|
|
|
|
return "GLSL TransformFeedback";
|
|
|
|
else if (kernel == kGLSLCompute)
|
|
|
|
return "GLSL Compute";
|
|
|
|
else if (kernel == kCL)
|
|
|
|
return "OpenCL";
|
|
|
|
return "Unknown";
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *
|
|
|
|
createFarMesh( const char * shape, int level, bool adaptive, Scheme scheme=kCatmark ) {
|
|
|
|
|
|
|
|
checkGLErrors("create osd enter");
|
|
|
|
// generate Hbr representation from "obj" description
|
|
|
|
std::vector<float> positions;
|
|
|
|
OsdHbrMesh * hmesh = simpleHbr<OpenSubdiv::OsdVertex>(shape, scheme, positions);
|
|
|
|
|
|
|
|
size_t nModel = g_bboxes.size();
|
|
|
|
float x = nModel%g_modelCount - g_modelCount*0.5f;
|
|
|
|
float y = nModel/g_modelCount - g_modelCount*0.5f;
|
|
|
|
// align origins
|
|
|
|
Matrix matrix;
|
|
|
|
identity(matrix.value);
|
|
|
|
translate(matrix.value, 3*x, 3*y, 0);
|
|
|
|
g_transforms.push_back(matrix);
|
|
|
|
g_positions.push_back(positions);
|
|
|
|
|
|
|
|
OpenSubdiv::FarMeshFactory<OpenSubdiv::OsdVertex> meshFactory(hmesh, level, adaptive);
|
|
|
|
OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farMesh = meshFactory.Create();
|
|
|
|
|
|
|
|
// Hbr mesh can be deleted
|
|
|
|
delete hmesh;
|
|
|
|
|
|
|
|
// compute model bounding (vertex animation isn't taken into account)
|
|
|
|
float min[4] = { FLT_MAX, FLT_MAX, FLT_MAX, 1};
|
|
|
|
float max[4] = {-FLT_MAX, -FLT_MAX, -FLT_MAX, 1};
|
|
|
|
for (size_t i=0; i <positions.size()/3; ++i) {
|
|
|
|
float v[4] = {positions[i*3], positions[i*3+1], positions[i*3+2], 1 };
|
|
|
|
for(int j=0; j<3; ++j) {
|
|
|
|
min[j] = std::min(min[j], v[j]);
|
|
|
|
max[j] = std::max(max[j], v[j]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
g_bboxes.push_back(BBox(min, max));
|
|
|
|
|
|
|
|
return farMesh;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
rebuildOsd()
|
|
|
|
{
|
|
|
|
delete g_mesh;
|
|
|
|
g_mesh = NULL;
|
|
|
|
|
|
|
|
if (g_kernel == kCPU) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCpuGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdCpuComputeContext,
|
|
|
|
OpenSubdiv::OsdCpuComputeController>::Create(g_farMesh);
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENMP
|
|
|
|
} else if (g_kernel == kOPENMP) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCpuGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdCpuComputeContext,
|
|
|
|
OpenSubdiv::OsdOmpComputeController>::Create(g_farMesh);
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
#ifdef OPENSUBDIV_HAS_GCD
|
|
|
|
} else if (kernel == kGCD) {
|
|
|
|
g_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdGcdComputeController,
|
|
|
|
OpenSubdiv::OsdGLDrawContext>(hmesh, 6, level, bits);
|
|
|
|
#endif
|
|
|
|
*/
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENCL
|
|
|
|
} else if(g_kernel == kCL) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCLGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdCLComputeContext,
|
|
|
|
OpenSubdiv::OsdCLComputeController>::Create(g_farMesh, g_clContext);
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_CUDA
|
|
|
|
} else if(g_kernel == kCUDA) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCudaGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdCudaComputeContext,
|
|
|
|
OpenSubdiv::OsdCudaComputeController>::Create(g_farMesh);
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
|
|
|
|
} else if(g_kernel == kGLSL) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCpuGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdGLSLTransformFeedbackComputeContext,
|
|
|
|
OpenSubdiv::OsdGLSLTransformFeedbackComputeController>::Create(g_farMesh);
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
|
|
|
|
} else if(g_kernel == kGLSLCompute) {
|
|
|
|
g_mesh = Mesh<OpenSubdiv::OsdCpuGLVertexBuffer,
|
|
|
|
OpenSubdiv::OsdGLSLComputeContext,
|
|
|
|
OpenSubdiv::OsdGLSLComputeController>::Create(g_farMesh);
|
|
|
|
#endif
|
|
|
|
} else {
|
|
|
|
printf("Unsupported kernel %s\n", getKernelName(g_kernel));
|
|
|
|
}
|
|
|
|
|
|
|
|
g_tessLevelMin = 0;
|
|
|
|
|
|
|
|
g_tessLevel = std::max(g_tessLevel,g_tessLevelMin);
|
|
|
|
|
|
|
|
updateGeom();
|
|
|
|
|
|
|
|
// -------- VAO
|
|
|
|
glBindVertexArray(g_vao);
|
|
|
|
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_mesh->GetDrawContext()->patchIndexBuffer);
|
|
|
|
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, g_mesh->BindVBO());
|
|
|
|
|
|
|
|
glEnableVertexAttribArray(0);
|
|
|
|
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 3, 0);
|
|
|
|
|
|
|
|
glBindVertexArray(0);
|
|
|
|
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
rebuildFar()
|
|
|
|
{
|
|
|
|
delete g_farMesh;
|
|
|
|
g_farMesh = NULL;
|
|
|
|
|
|
|
|
g_positions.clear();
|
|
|
|
g_bboxes.clear();
|
|
|
|
g_transforms.clear();
|
|
|
|
|
|
|
|
// align scheme and adaptive to the first shape
|
|
|
|
int shape = g_currentShape;
|
|
|
|
Scheme scheme = g_defaultShapes[ shape ].scheme;
|
|
|
|
bool adaptive = scheme==kCatmark ? g_adaptive!=0 : false;
|
|
|
|
|
|
|
|
g_vertexOffsets.clear();
|
|
|
|
int vertexOffset = 0;
|
|
|
|
|
|
|
|
// prepare meshes
|
|
|
|
std::vector<OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> const *> farMeshes;
|
|
|
|
for (int i = 0; i < g_modelCount*g_modelCount; ++i) {
|
|
|
|
g_vertexOffsets.push_back(vertexOffset);
|
|
|
|
|
|
|
|
OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farMesh = createFarMesh(
|
2013-03-19 21:41:49 +00:00
|
|
|
g_defaultShapes[ shape ].data.c_str(), g_level, adaptive, scheme);
|
2013-03-08 01:50:15 +00:00
|
|
|
farMeshes.push_back(farMesh);
|
|
|
|
|
|
|
|
vertexOffset += farMesh->GetNumVertices();
|
|
|
|
shape++;
|
|
|
|
if (shape >= (int)g_defaultShapes.size()) shape = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// create multimesh
|
|
|
|
OpenSubdiv::FarMultiMeshFactory<OpenSubdiv::OsdVertex> multiMeshFactory;
|
|
|
|
g_farMesh = multiMeshFactory.Create(farMeshes);
|
|
|
|
g_scheme = scheme;
|
|
|
|
|
|
|
|
for (size_t i = 0; i < farMeshes.size(); ++i) {
|
|
|
|
delete farMeshes[i];
|
|
|
|
}
|
|
|
|
rebuildOsd();
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
fitFrame() {
|
|
|
|
|
|
|
|
g_pan[0] = g_pan[1] = 0;
|
|
|
|
g_dolly = g_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
union Effect {
|
|
|
|
|
|
|
|
enum {
|
|
|
|
kQuad, kTri
|
|
|
|
};
|
|
|
|
enum {
|
|
|
|
kWire, kFill, kLine
|
|
|
|
};
|
|
|
|
struct {
|
|
|
|
unsigned int prim:1;
|
|
|
|
unsigned int wire:2;
|
|
|
|
unsigned int screenSpaceTess:1;
|
|
|
|
};
|
|
|
|
int value;
|
|
|
|
|
|
|
|
bool operator < (const Effect &e) const {
|
|
|
|
return value < e.value;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef std::pair<OpenSubdiv::OsdPatchDescriptor,Effect> EffectDesc;
|
|
|
|
|
|
|
|
class EffectDrawRegistry : public OpenSubdiv::OsdGLDrawRegistry<EffectDesc> {
|
|
|
|
|
|
|
|
protected:
|
|
|
|
virtual ConfigType *
|
|
|
|
_CreateDrawConfig(DescType const & desc, SourceConfigType const * sconfig);
|
|
|
|
|
|
|
|
virtual SourceConfigType *
|
|
|
|
_CreateDrawSourceConfig(DescType const & desc);
|
|
|
|
};
|
|
|
|
|
|
|
|
EffectDrawRegistry::SourceConfigType *
|
|
|
|
EffectDrawRegistry::_CreateDrawSourceConfig(DescType const & desc)
|
|
|
|
{
|
|
|
|
Effect effect = desc.second;
|
|
|
|
|
|
|
|
SourceConfigType * sconfig =
|
|
|
|
BaseRegistry::_CreateDrawSourceConfig(desc.first);
|
|
|
|
|
|
|
|
if (effect.screenSpaceTess) {
|
|
|
|
sconfig->commonShader.AddDefine("OSD_ENABLE_PATCH_CULL");
|
|
|
|
sconfig->commonShader.AddDefine("OSD_ENABLE_SCREENSPACE_TESSELLATION");
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined(GL_ARB_tessellation_shader) || defined(GL_VERSION_4_0)
|
|
|
|
const char *glslVersion = "#version 400\n";
|
|
|
|
#else
|
|
|
|
const char *glslVersion = "#version 330\n";
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (desc.first.type != OpenSubdiv::kNonPatch) {
|
|
|
|
|
|
|
|
if (effect.prim == Effect::kQuad) effect.prim = Effect::kTri;
|
|
|
|
sconfig->geometryShader.AddDefine("SMOOTH_NORMALS");
|
|
|
|
|
|
|
|
} else {
|
|
|
|
sconfig->vertexShader.source = shaderSource;
|
|
|
|
sconfig->vertexShader.version = glslVersion;
|
|
|
|
sconfig->vertexShader.AddDefine("VERTEX_SHADER");
|
|
|
|
}
|
|
|
|
assert(sconfig);
|
|
|
|
|
|
|
|
sconfig->geometryShader.source = shaderSource;
|
|
|
|
sconfig->geometryShader.version = glslVersion;
|
|
|
|
sconfig->geometryShader.AddDefine("GEOMETRY_SHADER");
|
|
|
|
|
|
|
|
sconfig->fragmentShader.source = shaderSource;
|
|
|
|
sconfig->fragmentShader.version = glslVersion;
|
|
|
|
sconfig->fragmentShader.AddDefine("FRAGMENT_SHADER");
|
|
|
|
|
|
|
|
if (effect.prim == Effect::kQuad) {
|
|
|
|
sconfig->geometryShader.AddDefine("PRIM_QUAD");
|
|
|
|
sconfig->fragmentShader.AddDefine("PRIM_QUAD");
|
|
|
|
} else {
|
|
|
|
sconfig->geometryShader.AddDefine("PRIM_TRI");
|
|
|
|
sconfig->fragmentShader.AddDefine("PRIM_TRI");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (effect.wire == Effect::kWire) {
|
|
|
|
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_WIRE");
|
|
|
|
sconfig->fragmentShader.AddDefine("GEOMETRY_OUT_WIRE");
|
|
|
|
} else if (effect.wire == Effect::kFill) {
|
|
|
|
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_FILL");
|
|
|
|
sconfig->fragmentShader.AddDefine("GEOMETRY_OUT_FILL");
|
|
|
|
} else if (effect.wire == Effect::kLine) {
|
|
|
|
sconfig->geometryShader.AddDefine("GEOMETRY_OUT_LINE");
|
|
|
|
sconfig->fragmentShader.AddDefine("GEOMETRY_OUT_LINE");
|
|
|
|
}
|
|
|
|
|
|
|
|
return sconfig;
|
|
|
|
}
|
|
|
|
|
|
|
|
EffectDrawRegistry::ConfigType *
|
|
|
|
EffectDrawRegistry::_CreateDrawConfig(
|
|
|
|
DescType const & desc,
|
|
|
|
SourceConfigType const * sconfig)
|
|
|
|
{
|
|
|
|
ConfigType * config = BaseRegistry::_CreateDrawConfig(desc.first, sconfig);
|
|
|
|
assert(config);
|
|
|
|
|
|
|
|
GLuint uboIndex;
|
|
|
|
|
|
|
|
// XXXdyu can use layout(binding=) with GLSL 4.20 and beyond
|
|
|
|
g_transformBinding = 0;
|
|
|
|
uboIndex = glGetUniformBlockIndex(config->program, "Transform");
|
|
|
|
if (uboIndex != GL_INVALID_INDEX)
|
|
|
|
glUniformBlockBinding(config->program, uboIndex, g_transformBinding);
|
|
|
|
|
|
|
|
g_tessellationBinding = 1;
|
|
|
|
uboIndex = glGetUniformBlockIndex(config->program, "Tessellation");
|
|
|
|
if (uboIndex != GL_INVALID_INDEX)
|
|
|
|
glUniformBlockBinding(config->program, uboIndex, g_tessellationBinding);
|
|
|
|
|
|
|
|
g_lightingBinding = 3;
|
|
|
|
uboIndex = glGetUniformBlockIndex(config->program, "Lighting");
|
|
|
|
if (uboIndex != GL_INVALID_INDEX)
|
|
|
|
glUniformBlockBinding(config->program, uboIndex, g_lightingBinding);
|
|
|
|
|
|
|
|
g_gregoryQuadOffsetBaseMap[config->program] = glGetUniformLocation(config->program, "GregoryQuadOffsetBase");
|
|
|
|
g_levelBaseMap[config->program] = glGetUniformLocation(config->program, "LevelBase");
|
|
|
|
|
|
|
|
GLint loc;
|
|
|
|
#if not defined(GL_ARB_separate_shader_objects) || defined(GL_VERSION_4_1)
|
|
|
|
glUseProgram(config->program);
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_VertexBuffer")) != -1) {
|
|
|
|
glUniform1i(loc, 0); // GL_TEXTURE0
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_ValenceBuffer")) != -1) {
|
|
|
|
glUniform1i(loc, 1); // GL_TEXTURE1
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_QuadOffsetBuffer")) != -1) {
|
|
|
|
glUniform1i(loc, 2); // GL_TEXTURE2
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_patchLevelBuffer")) != -1) {
|
|
|
|
glUniform1i(loc, 3); // GL_TEXTURE3
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_VertexBuffer")) != -1) {
|
|
|
|
glProgramUniform1i(config->program, loc, 0); // GL_TEXTURE0
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_ValenceBuffer")) != -1) {
|
|
|
|
glProgramUniform1i(config->program, loc, 1); // GL_TEXTURE1
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_QuadOffsetBuffer")) != -1) {
|
|
|
|
glProgramUniform1i(config->program, loc, 2); // GL_TEXTURE2
|
|
|
|
}
|
|
|
|
if ((loc = glGetUniformLocation(config->program, "g_patchLevelBuffer")) != -1) {
|
|
|
|
glProgramUniform1i(config->program, loc, 3); // GL_TEXTURE3
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return config;
|
|
|
|
}
|
|
|
|
|
|
|
|
EffectDrawRegistry effectRegistry;
|
|
|
|
|
|
|
|
static Effect
|
|
|
|
GetEffect()
|
|
|
|
{
|
|
|
|
Effect effect;
|
|
|
|
if (g_scheme == kLoop) {
|
|
|
|
effect.prim = Effect::kTri;
|
|
|
|
} else {
|
|
|
|
effect.prim = Effect::kQuad;
|
|
|
|
}
|
|
|
|
if (g_wire == 0){
|
|
|
|
effect.wire = Effect::kWire;
|
|
|
|
} else if (g_wire == 1) {
|
|
|
|
effect.wire = Effect::kFill;
|
|
|
|
} else {
|
|
|
|
effect.wire = Effect::kLine;
|
|
|
|
}
|
|
|
|
effect.screenSpaceTess = g_screenSpaceTess;
|
|
|
|
return effect;
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static GLuint
|
|
|
|
bindProgram(Effect effect, OpenSubdiv::OsdPatchArray const & patch)
|
|
|
|
{
|
|
|
|
EffectDesc effectDesc(patch.desc, effect);
|
|
|
|
EffectDrawRegistry::ConfigType *
|
|
|
|
config = effectRegistry.GetDrawConfig(effectDesc);
|
|
|
|
|
|
|
|
GLuint program = config->program;
|
|
|
|
|
|
|
|
glUseProgram(program);
|
|
|
|
|
|
|
|
return program;
|
|
|
|
}
|
|
|
|
|
|
|
|
void applyPatchColor(GLuint program, int patchType, int patchPattern)
|
|
|
|
{
|
|
|
|
GLuint diffuseColor = glGetUniformLocation(program, "diffuseColor");
|
|
|
|
if (g_displayPatchColor) {
|
|
|
|
switch(patchType) {
|
|
|
|
case OpenSubdiv::kRegular:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 1.0f, 1.0f, 1.0f, 1);
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kBoundary:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.8f, 0.0f, 0.0f, 1);
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kCorner:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0, 1.0, 0, 1);
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kGregory:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 1.0f, 1.0f, 0.0f, 1);
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kBoundaryGregory:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 1.0f, 0.5f, 0.0f, 1);
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kTransitionRegular:
|
|
|
|
switch (patchPattern) {
|
|
|
|
case 0:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0, 1.0f, 1.0f, 1);
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0, 0.5f, 1.0f, 1);
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0, 0.5f, 0.5f, 1);
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.5f, 0, 1.0f, 1);
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 1.0f, 0.5f, 1.0f, 1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case OpenSubdiv::kTransitionBoundary: {
|
|
|
|
float p = patchPattern * 0.2f;
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.0f, p, 0.75f, 1);
|
|
|
|
} break;
|
|
|
|
case OpenSubdiv::kTransitionCorner:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.25f, 0.25f, 0.25f, 1);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.4f, 0.4f, 0.8f, 1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
glProgramUniform4f(program, diffuseColor, 0.4f, 0.4f, 0.8f, 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
display() {
|
|
|
|
|
|
|
|
Stopwatch s;
|
|
|
|
s.Start();
|
|
|
|
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
|
|
|
|
glViewport(0, 0, g_width, g_height);
|
|
|
|
|
|
|
|
// prepare view matrix
|
|
|
|
double aspect = g_width/(double)g_height;
|
|
|
|
identity(g_transformData.ModelViewMatrix);
|
|
|
|
translate(g_transformData.ModelViewMatrix, -g_pan[0], -g_pan[1], -g_dolly);
|
|
|
|
rotate(g_transformData.ModelViewMatrix, g_rotate[1], 1, 0, 0);
|
|
|
|
rotate(g_transformData.ModelViewMatrix, g_rotate[0], 0, 1, 0);
|
|
|
|
rotate(g_transformData.ModelViewMatrix, -90, 1, 0, 0);
|
|
|
|
translate(g_transformData.ModelViewMatrix,
|
|
|
|
-g_center[0], -g_center[1], -g_center[2]);
|
|
|
|
perspective(g_transformData.ProjectionMatrix,
|
|
|
|
45.0f, (float)aspect, 0.01f, 500.0f);
|
|
|
|
multMatrix(g_transformData.ModelViewProjectionMatrix,
|
|
|
|
g_transformData.ModelViewMatrix,
|
|
|
|
g_transformData.ProjectionMatrix);
|
|
|
|
|
|
|
|
// make sure that the vertex buffer is interoped back as a GL resources.
|
|
|
|
g_mesh->BindVBO();
|
|
|
|
|
|
|
|
glBindVertexArray(g_vao);
|
|
|
|
|
|
|
|
OpenSubdiv::OsdPatchArrayVector const & patches = g_mesh->GetDrawContext()->patchArrays;
|
|
|
|
|
|
|
|
// prim visibility
|
|
|
|
// XXX: currently OsdSortedDrawContext is not available for uniform quads
|
|
|
|
if (g_adaptive) {
|
|
|
|
for (int i = 0; i < g_modelCount*g_modelCount; ++i) {
|
|
|
|
// frustum culling
|
|
|
|
float mat[16];
|
|
|
|
multMatrix(mat, g_transforms[i].value, g_transformData.ModelViewProjectionMatrix);
|
|
|
|
bool visible = not g_bboxes[i].OutOfFrustum(mat);
|
|
|
|
g_mesh->GetSortedDrawContext()->SetPrimFidelity(i, visible ?
|
|
|
|
OpenSubdiv::OsdSortedDrawContext::kHigh :
|
|
|
|
OpenSubdiv::OsdSortedDrawContext::kInvisible);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// set transform
|
|
|
|
if (! g_transformUB) {
|
|
|
|
glGenBuffers(1, &g_transformUB);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
|
|
|
|
glBufferData(GL_UNIFORM_BUFFER,
|
|
|
|
sizeof(g_transformData), NULL, GL_STATIC_DRAW);
|
|
|
|
};
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_transformUB);
|
|
|
|
glBufferSubData(GL_UNIFORM_BUFFER,
|
|
|
|
0, sizeof(g_transformData), &g_transformData);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, 0);
|
|
|
|
|
|
|
|
glBindBufferBase(GL_UNIFORM_BUFFER, g_transformBinding, g_transformUB);
|
|
|
|
|
|
|
|
|
|
|
|
// Update and bind tessellation state
|
|
|
|
struct Tessellation {
|
|
|
|
float TessLevel;
|
|
|
|
} tessellationData;
|
|
|
|
|
|
|
|
tessellationData.TessLevel = static_cast<float>(1 << g_tessLevel);
|
|
|
|
|
|
|
|
if (! g_tessellationUB) {
|
|
|
|
glGenBuffers(1, &g_tessellationUB);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
|
|
|
|
glBufferData(GL_UNIFORM_BUFFER,
|
|
|
|
sizeof(tessellationData), NULL, GL_STATIC_DRAW);
|
|
|
|
};
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_tessellationUB);
|
|
|
|
glBufferSubData(GL_UNIFORM_BUFFER,
|
|
|
|
0, sizeof(tessellationData), &tessellationData);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, 0);
|
|
|
|
|
|
|
|
glBindBufferBase(GL_UNIFORM_BUFFER, g_tessellationBinding, g_tessellationUB);
|
|
|
|
|
|
|
|
// Update and bind lighting state
|
|
|
|
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 } }}
|
|
|
|
};
|
|
|
|
if (! g_lightingUB) {
|
|
|
|
glGenBuffers(1, &g_lightingUB);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
|
|
|
|
glBufferData(GL_UNIFORM_BUFFER,
|
|
|
|
sizeof(lightingData), NULL, GL_STATIC_DRAW);
|
|
|
|
};
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, g_lightingUB);
|
|
|
|
glBufferSubData(GL_UNIFORM_BUFFER,
|
|
|
|
0, sizeof(lightingData), &lightingData);
|
|
|
|
glBindBuffer(GL_UNIFORM_BUFFER, 0);
|
|
|
|
|
|
|
|
glBindBufferBase(GL_UNIFORM_BUFFER, g_lightingBinding, g_lightingUB);
|
|
|
|
|
|
|
|
// prepare textures
|
|
|
|
if (g_mesh->GetDrawContext()->vertexTextureBuffer) {
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
glBindTexture(GL_TEXTURE_BUFFER,
|
|
|
|
g_mesh->GetDrawContext()->vertexTextureBuffer);
|
|
|
|
}
|
|
|
|
if (g_mesh->GetDrawContext()->vertexValenceTextureBuffer) {
|
|
|
|
glActiveTexture(GL_TEXTURE1);
|
|
|
|
glBindTexture(GL_TEXTURE_BUFFER,
|
|
|
|
g_mesh->GetDrawContext()->vertexValenceTextureBuffer);
|
|
|
|
}
|
|
|
|
if (g_mesh->GetDrawContext()->quadOffsetTextureBuffer) {
|
|
|
|
glActiveTexture(GL_TEXTURE2);
|
|
|
|
glBindTexture(GL_TEXTURE_BUFFER,
|
|
|
|
g_mesh->GetDrawContext()->quadOffsetTextureBuffer);
|
|
|
|
}
|
|
|
|
if (g_mesh->GetDrawContext()->patchLevelTextureBuffer) {
|
|
|
|
glActiveTexture(GL_TEXTURE3);
|
|
|
|
glBindTexture(GL_TEXTURE_BUFFER,
|
|
|
|
g_mesh->GetDrawContext()->patchLevelTextureBuffer);
|
|
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
|
|
|
|
|
|
|
|
// primitive counting
|
|
|
|
glBeginQuery(GL_PRIMITIVES_GENERATED, g_primQuery);
|
|
|
|
|
|
|
|
for (int i=0; i<(int)patches.size(); ++i) {
|
|
|
|
OpenSubdiv::OsdPatchArray const & patch = patches[i];
|
|
|
|
|
|
|
|
OpenSubdiv::OsdPatchType patchType = patch.desc.type;
|
|
|
|
int patchPattern = patch.desc.pattern;
|
|
|
|
|
|
|
|
GLenum primType;
|
|
|
|
if (g_mesh->GetDrawContext()->IsAdaptive()) {
|
|
|
|
#if defined(GL_ARB_tessellation_shader) || defined(GL_VERSION_4_0)
|
|
|
|
primType = GL_PATCHES;
|
2013-03-23 01:20:50 +00:00
|
|
|
glPatchParameteri(GL_PATCH_VERTICES, patch.desc.GetPatchSize());
|
2013-03-08 01:50:15 +00:00
|
|
|
#endif
|
|
|
|
} else {
|
|
|
|
if (g_scheme == kLoop) {
|
|
|
|
primType = GL_TRIANGLES;
|
|
|
|
} else {
|
|
|
|
primType = GL_LINES_ADJACENCY; // GL_QUADS is deprecated
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined(GL_ARB_tessellation_shader) || defined(GL_VERSION_4_0)
|
|
|
|
GLuint program = bindProgram(GetEffect(), patch);
|
|
|
|
applyPatchColor(program, patchType, patchPattern);
|
|
|
|
#else
|
|
|
|
bindProgram(GetEffect(), patch);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (g_wire == 0) {
|
|
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
}
|
|
|
|
GLuint uniformGregoryQuadOffset = g_gregoryQuadOffsetBaseMap[program];
|
|
|
|
GLuint uniformLevelBase = g_levelBaseMap[program];
|
|
|
|
if (g_drawAtOnce or (not g_adaptive)) {
|
|
|
|
glProgramUniform1i(program, uniformGregoryQuadOffset, patch.gregoryQuadOffsetBase);
|
|
|
|
glProgramUniform1i(program, uniformLevelBase, patch.levelBase);
|
|
|
|
|
|
|
|
glDrawElements(primType,
|
|
|
|
patch.numIndices, GL_UNSIGNED_INT,
|
|
|
|
(void *)(patch.firstIndex * sizeof(unsigned int)));
|
|
|
|
} else {
|
|
|
|
OpenSubdiv::OsdPatchDrawRangeVector const & drawRanges = g_mesh->GetSortedDrawContext()->GetPatchDrawRanges(patch.desc);
|
|
|
|
|
|
|
|
for (size_t j = 0; j < drawRanges.size(); ++j) {
|
|
|
|
|
2013-03-23 01:20:50 +00:00
|
|
|
int primitiveOffset = (drawRanges[j].firstIndex - patch.firstIndex)/patch.desc.GetPatchSize();
|
2013-03-08 01:50:15 +00:00
|
|
|
if (patch.desc.type == OpenSubdiv::kGregory || patch.desc.type == OpenSubdiv::kBoundaryGregory){
|
|
|
|
glProgramUniform1i(program, uniformGregoryQuadOffset, patch.gregoryQuadOffsetBase + primitiveOffset*4);
|
|
|
|
}
|
|
|
|
glProgramUniform1i(program, uniformLevelBase, patch.levelBase + primitiveOffset);
|
|
|
|
|
|
|
|
glDrawElements(primType, drawRanges[j].numIndices, GL_UNSIGNED_INT,
|
|
|
|
(void *)(drawRanges[j].firstIndex * sizeof(unsigned int)));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (g_wire == 0) {
|
|
|
|
glEnable(GL_CULL_FACE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
glEndQuery(GL_PRIMITIVES_GENERATED);
|
|
|
|
|
|
|
|
glBindVertexArray(0);
|
|
|
|
|
|
|
|
glUseProgram(0);
|
|
|
|
|
|
|
|
s.Stop();
|
|
|
|
float drawCpuTime = float(s.GetElapsed() * 1000.0f);
|
|
|
|
s.Start();
|
|
|
|
|
|
|
|
glFinish();
|
|
|
|
GLuint numPrimsGenerated = 0;
|
|
|
|
glGetQueryObjectuiv(g_primQuery, GL_QUERY_RESULT, &numPrimsGenerated);
|
|
|
|
|
|
|
|
s.Stop();
|
|
|
|
float drawGpuTime = float(s.GetElapsed() * 1000.0f);
|
|
|
|
|
|
|
|
if (g_hud.IsVisible()) {
|
|
|
|
g_fpsTimer.Stop();
|
|
|
|
g_totalTime += g_fpsTimer.GetElapsed();
|
|
|
|
double fps = 1.0/g_fpsTimer.GetElapsed();
|
|
|
|
g_fpsTimer.Start();
|
|
|
|
|
|
|
|
float subdTableSize = g_farMesh->GetSubdivisionTables()->GetMemoryUsed()/1024.0f/1024.0f;
|
|
|
|
float vboSize = g_mesh->GetVBOMemoryUsed()/1024.0f/1024.0f;
|
|
|
|
|
|
|
|
g_hud.DrawString(10, -240, "Subd Table : %.2f MB", subdTableSize);
|
|
|
|
g_hud.DrawString(10, -220, "Subd VBO : %.2f MB", vboSize);
|
|
|
|
g_hud.DrawString(10, -180, "Tess level : %d", g_tessLevel);
|
|
|
|
g_hud.DrawString(10, -160, "Primitives : %d", numPrimsGenerated);
|
|
|
|
// g_hud.DrawString(10, -140, "Vertices : %d", g_cpuGLVertexBuffer->GetNumVertices());
|
|
|
|
g_hud.DrawString(10, -120, "Scheme : %s", g_scheme==kBilinear ? "BILINEAR" : (g_scheme == kLoop ? "LOOP" : "CATMARK"));
|
|
|
|
g_hud.DrawString(10, -100, "GPU Kernel : %.3f ms", g_gpuTime);
|
|
|
|
g_hud.DrawString(10, -80, "CPU Kernel : %.3f ms", g_cpuTime);
|
|
|
|
g_hud.DrawString(10, -60, "GPU Draw : %.3f ms", drawGpuTime);
|
|
|
|
g_hud.DrawString(10, -40, "CPU Draw : %.3f ms", drawCpuTime);
|
|
|
|
g_hud.DrawString(10, -20, "FPS : %3.1f", fps);
|
|
|
|
|
|
|
|
g_hud.Flush();
|
|
|
|
}
|
|
|
|
|
|
|
|
glFinish();
|
|
|
|
|
|
|
|
checkGLErrors("display leave");
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
motion(GLFWwindow *, int x, int y) {
|
|
|
|
#else
|
|
|
|
motion(int x, int y) {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
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 = x;
|
|
|
|
g_prev_y = y;
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
mouse(GLFWwindow *, int button, int state) {
|
|
|
|
#else
|
|
|
|
mouse(int button, int state) {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (button == 0 && state == GLFW_PRESS && g_hud.MouseClick(g_prev_x, g_prev_y))
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (button < 3) {
|
|
|
|
g_mbutton[button] = (state == GLFW_PRESS);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
uninitGL() {
|
|
|
|
|
|
|
|
glDeleteQueries(1, &g_primQuery);
|
|
|
|
|
|
|
|
glDeleteVertexArrays(1, &g_vao);
|
|
|
|
|
|
|
|
delete g_farMesh;
|
|
|
|
g_farMesh = NULL;
|
|
|
|
|
|
|
|
delete g_mesh;
|
|
|
|
g_mesh = NULL;
|
|
|
|
|
|
|
|
#ifdef OPENSUBDIV_HAS_CUDA
|
|
|
|
cudaDeviceReset();
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENCL
|
|
|
|
uninitCL(g_clContext, g_clQueue);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
reshape(GLFWwindow *, int width, int height) {
|
|
|
|
#else
|
|
|
|
reshape(int width, int height) {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
g_width = width;
|
|
|
|
g_height = height;
|
|
|
|
|
|
|
|
g_hud.Rebuild(width, height);
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void toggleFullScreen() {
|
|
|
|
#if 0
|
|
|
|
static int x,y,w,h;
|
|
|
|
|
|
|
|
g_fullscreen = !g_fullscreen;
|
|
|
|
|
|
|
|
if (g_fullscreen) {
|
|
|
|
x = glutGet((GLenum)GLUT_WINDOW_X);
|
|
|
|
y = glutGet((GLenum)GLUT_WINDOW_Y);
|
|
|
|
w = glutGet((GLenum)GLUT_WINDOW_WIDTH);
|
|
|
|
h = glutGet((GLenum)GLUT_WINDOW_HEIGHT);
|
|
|
|
|
|
|
|
glutFullScreen( );
|
|
|
|
|
|
|
|
reshape( glutGet(GLUT_SCREEN_WIDTH),
|
|
|
|
glutGet(GLUT_SCREEN_HEIGHT) );
|
|
|
|
} else {
|
|
|
|
glutReshapeWindow(w, h);
|
|
|
|
glutPositionWindow(x,y);
|
|
|
|
reshape( w, h );
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
keyboard(GLFWwindow *, int key, int event) {
|
|
|
|
#else
|
|
|
|
keyboard(int key, int event) {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (event == GLFW_RELEASE) return;
|
|
|
|
if (g_hud.KeyDown(tolower(key))) return;
|
|
|
|
|
|
|
|
switch (key) {
|
|
|
|
case 'Q': g_running = 0; break;
|
|
|
|
case 'F': fitFrame(); break;
|
|
|
|
case GLFW_KEY_TAB: toggleFullScreen(); break;
|
|
|
|
case '+':
|
|
|
|
case '=': g_tessLevel++; break;
|
|
|
|
case '-': g_tessLevel = std::max(g_tessLevelMin, g_tessLevel-1); rebuildOsd(); break;
|
|
|
|
case 'I': g_modelCount = std::max(g_modelCount/2, 1); rebuildFar(); break;
|
|
|
|
case 'O': g_modelCount = std::min(g_modelCount*2, MAX_MODELS); rebuildFar(); break;
|
|
|
|
case GLFW_KEY_ESC: 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;
|
|
|
|
cudaGLSetGLDevice( cutGetMaxGflopsDeviceId() );
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
rebuildOsd();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
callbackLevel(int l)
|
|
|
|
{
|
|
|
|
g_level = l;
|
|
|
|
rebuildFar();
|
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
rebuildFar();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
callbackCheckBox(bool checked, int button)
|
|
|
|
{
|
|
|
|
switch(button) {
|
|
|
|
case HUD_CB_DRAW_AT_ONCE:
|
|
|
|
g_drawAtOnce = checked;
|
|
|
|
break;
|
|
|
|
case HUD_CB_ADAPTIVE:
|
|
|
|
if (OpenSubdiv::OsdGLDrawContext::SupportsAdaptiveTessellation()) {
|
|
|
|
g_adaptive = checked;
|
|
|
|
rebuildFar();
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case HUD_CB_ANIMATE_VERTICES:
|
|
|
|
g_moveScale = checked;
|
|
|
|
break;
|
|
|
|
case HUD_CB_DISPLAY_PATCH_COLOR:
|
|
|
|
g_displayPatchColor = checked;
|
|
|
|
break;
|
|
|
|
case HUD_CB_VIEW_LOD:
|
|
|
|
g_screenSpaceTess = checked;
|
|
|
|
break;
|
|
|
|
case HUD_CB_FREEZE:
|
|
|
|
g_freeze = checked;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
initHUD()
|
|
|
|
{
|
|
|
|
g_hud.Init(g_width, g_height);
|
|
|
|
|
|
|
|
g_hud.AddRadioButton(0, "CPU (K)", g_kernel == kCPU, 10, 10, callbackKernel, kCPU, 'k');
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENMP
|
|
|
|
g_hud.AddRadioButton(0, "OPENMP", g_kernel == kOPENMP, 10, 30, callbackKernel, kOPENMP, 'k');
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GCD
|
|
|
|
g_hud.AddRadioButton(0, "GCD", g_kernel == kGCD, 10, 30, callbackKernel, kGCD, 'k');
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_CUDA
|
|
|
|
g_hud.AddRadioButton(0, "CUDA", g_kernel == kCUDA, 10, 50, callbackKernel, kCUDA, 'k');
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENCL
|
|
|
|
g_hud.AddRadioButton(0, "OPENCL", g_kernel == kCL, 10, 70, callbackKernel, kCL, 'k');
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
|
|
|
|
g_hud.AddRadioButton(0, "GLSL TransformFeedback", g_kernel == kGLSL, 10, 90, callbackKernel, kGLSL, 'k');
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
|
|
|
|
// Must also check at run time for OpenGL 4.3
|
|
|
|
// if (GLEW_VERSION_4_3) {
|
|
|
|
g_hud.AddRadioButton(0, "GLSL Compute", g_kernel == kGLSLCompute, 10, 110, callbackKernel, kGLSLCompute, 'k');
|
|
|
|
// }
|
|
|
|
#endif
|
|
|
|
|
|
|
|
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("Draw at once (A)", g_drawAtOnce != 0, 350, 10, callbackCheckBox, HUD_CB_DRAW_AT_ONCE, 'a');
|
|
|
|
g_hud.AddCheckBox("Animate vertices (M)", g_moveScale != 0, 350, 30, callbackCheckBox, HUD_CB_ANIMATE_VERTICES, 'm');
|
|
|
|
g_hud.AddCheckBox("Patch Color (P)", true, 350, 50, callbackCheckBox, HUD_CB_DISPLAY_PATCH_COLOR, 'p');
|
|
|
|
g_hud.AddCheckBox("Screen space LOD (V)", g_screenSpaceTess != 0, 350, 70, callbackCheckBox, HUD_CB_VIEW_LOD, 'v');
|
|
|
|
g_hud.AddCheckBox("Freeze (spc)", false, 350, 90, callbackCheckBox, HUD_CB_FREEZE, ' ');
|
|
|
|
|
|
|
|
if (OpenSubdiv::OsdGLDrawContext::SupportsAdaptiveTessellation())
|
|
|
|
g_hud.AddCheckBox("Adaptive (`)", g_adaptive!=0, 10, 150, callbackCheckBox, HUD_CB_ADAPTIVE, '`');
|
|
|
|
|
|
|
|
for (int i = 1; i < 11; ++i) {
|
|
|
|
char level[16];
|
|
|
|
sprintf(level, "Lv. %d", i);
|
|
|
|
g_hud.AddRadioButton(3, level, i==g_level, 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==g_currentShape, -220, 10+i*16, callbackModel, i, 'n');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
initGL()
|
|
|
|
{
|
|
|
|
glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
|
|
glDepthFunc(GL_LEQUAL);
|
|
|
|
glCullFace(GL_BACK);
|
|
|
|
glEnable(GL_CULL_FACE);
|
|
|
|
|
|
|
|
glGenQueries(1, &g_primQuery);
|
|
|
|
|
|
|
|
glGenVertexArrays(1, &g_vao);
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
idle() {
|
|
|
|
|
|
|
|
if (not g_freeze) {
|
|
|
|
g_frame++;
|
|
|
|
updateGeom();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_repeatCount != 0 and g_frame >= g_repeatCount)
|
|
|
|
g_running = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
callbackError(OpenSubdiv::OsdErrorType err, const char *message)
|
|
|
|
{
|
|
|
|
printf("OsdError: %d\n", err);
|
|
|
|
printf("%s", message);
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
setGLCoreProfile()
|
|
|
|
{
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
#define glfwOpenWindowHint glfwWindowHint
|
|
|
|
#define GLFW_OPENGL_VERSION_MAJOR GLFW_CONTEXT_VERSION_MAJOR
|
|
|
|
#define GLFW_OPENGL_VERSION_MINOR GLFW_CONTEXT_VERSION_MINOR
|
|
|
|
#endif
|
|
|
|
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
|
|
|
#if not defined(__APPLE__)
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 4);
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
|
|
|
|
#else
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
|
|
|
|
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
int main(int argc, char ** argv)
|
|
|
|
{
|
|
|
|
bool fullscreen = false;
|
|
|
|
std::string str;
|
|
|
|
for (int i = 1; i < argc; ++i) {
|
|
|
|
if (!strcmp(argv[i], "-d"))
|
|
|
|
g_level = atoi(argv[++i]);
|
|
|
|
else if (!strcmp(argv[i], "-c"))
|
|
|
|
g_repeatCount = atoi(argv[++i]);
|
|
|
|
else if (!strcmp(argv[i], "-f"))
|
|
|
|
fullscreen = true;
|
|
|
|
else {
|
|
|
|
std::ifstream ifs(argv[1]);
|
|
|
|
if (ifs) {
|
|
|
|
std::stringstream ss;
|
|
|
|
ss << ifs.rdbuf();
|
|
|
|
ifs.close();
|
|
|
|
str = ss.str();
|
|
|
|
g_defaultShapes.push_back(SimpleShape(str.c_str(), argv[1], kCatmark));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
initializeShapes();
|
|
|
|
OsdSetErrorCallback(callbackError);
|
|
|
|
|
|
|
|
if (not glfwInit()) {
|
|
|
|
printf("Failed to initialize GLFW\n");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const char windowTitle[] = "OpenSubdiv glViewer";
|
|
|
|
|
|
|
|
#define CORE_PROFILE
|
|
|
|
#ifdef CORE_PROFILE
|
|
|
|
setGLCoreProfile();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
if (fullscreen) {
|
|
|
|
|
|
|
|
g_primary = glfwGetPrimaryMonitor();
|
|
|
|
|
|
|
|
// apparently glfwGetPrimaryMonitor fails under linux : if no primary,
|
|
|
|
// settle for the first one in the list
|
|
|
|
if (not g_primary) {
|
|
|
|
int count=0;
|
|
|
|
GLFWmonitor ** monitors = glfwGetMonitors(&count);
|
|
|
|
|
|
|
|
if (count)
|
|
|
|
g_primary = monitors[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_primary) {
|
|
|
|
GLFWvidmode vidmode = glfwGetVideoMode(g_primary);
|
|
|
|
g_width = vidmode.width;
|
|
|
|
g_height = vidmode.height;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (not (g_window=glfwCreateWindow(g_width, g_height, windowTitle,
|
|
|
|
fullscreen and g_primary ? g_primary : NULL, NULL))) {
|
|
|
|
printf("Failed to open window.\n");
|
|
|
|
glfwTerminate();
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
glfwMakeContextCurrent(g_window);
|
|
|
|
glfwSetKeyCallback(g_window, keyboard);
|
|
|
|
glfwSetCursorPosCallback(g_window, motion);
|
|
|
|
glfwSetMouseButtonCallback(g_window, mouse);
|
|
|
|
glfwSetWindowSizeCallback(g_window, reshape);
|
|
|
|
#else
|
|
|
|
if (glfwOpenWindow(g_width, g_height, 8, 8, 8, 8, 24, 8,
|
|
|
|
fullscreen ? GLFW_FULLSCREEN : GLFW_WINDOW) == GL_FALSE) {
|
|
|
|
printf("Failed to open window.\n");
|
|
|
|
glfwTerminate();
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
glfwSetWindowTitle(windowTitle);
|
|
|
|
glfwSetKeyCallback(keyboard);
|
|
|
|
glfwSetMousePosCallback(motion);
|
|
|
|
glfwSetMouseButtonCallback(mouse);
|
|
|
|
glfwSetWindowSizeCallback(reshape);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if not defined(__APPLE__)
|
|
|
|
#ifdef CORE_PROFILE
|
|
|
|
// this is the only way to initialize glew correctly under core profile context.
|
|
|
|
glewExperimental = true;
|
|
|
|
#endif
|
|
|
|
if (GLenum r = glewInit() != GLEW_OK) {
|
|
|
|
printf("Failed to initialize glew. Error = %s\n", glewGetErrorString(r));
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
#ifdef CORE_PROFILE
|
|
|
|
// clear GL errors which was generated during glewInit()
|
|
|
|
glGetError();
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// activate feature adaptive tessellation if OSD supports it
|
|
|
|
g_adaptive = OpenSubdiv::OsdGLDrawContext::SupportsAdaptiveTessellation();
|
|
|
|
|
|
|
|
initGL();
|
|
|
|
linkDefaultProgram();
|
|
|
|
|
|
|
|
glfwSwapInterval(0);
|
|
|
|
|
|
|
|
initHUD();
|
|
|
|
callbackModel(g_currentShape);
|
|
|
|
|
|
|
|
g_fpsTimer.Start();
|
|
|
|
while (g_running) {
|
|
|
|
idle();
|
|
|
|
display();
|
|
|
|
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
|
|
|
glfwPollEvents();
|
|
|
|
glfwSwapBuffers(g_window);
|
|
|
|
#else
|
|
|
|
glfwSwapBuffers();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
glFinish();
|
|
|
|
}
|
|
|
|
|
|
|
|
uninitGL();
|
|
|
|
glfwTerminate();
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|