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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2013-06-20 18:53:33 +00:00
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#include <GLFW/glfw3.h>
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2013-03-08 01:50:15 +00:00
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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/cpuGLVertexBuffer.h>
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#include <osd/cpuComputeContext.h>
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#include <osd/cpuComputeController.h>
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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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2013-05-22 00:20:22 +00:00
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#include <osdutil/batch.h>
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2013-06-05 17:44:21 +00:00
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#ifdef OPENSUBDIV_HAS_OPENCL
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#include <osdutil/batchCL.h>
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#endif
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2013-05-22 00:20:22 +00:00
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#include <osdutil/drawItem.h>
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#include <osdutil/drawController.h>
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2013-05-10 02:18:32 +00:00
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#include "delegate.h"
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#include "effect.h"
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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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#include <cfloat>
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#include <vector>
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#include <fstream>
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#include <sstream>
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2013-03-08 01:50:15 +00:00
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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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#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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#endif
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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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2013-05-10 02:18:32 +00:00
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enum HudCheckBox { HUD_CB_BATCHING,
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2013-03-08 01:50:15 +00:00
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HUD_CB_ADAPTIVE,
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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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2013-05-10 02:18:32 +00:00
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OpenSubdiv::OsdUtilMeshBatchBase<MyDrawContext> *g_batch = NULL;
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MyDrawDelegate g_drawDelegate;
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MyEffect g_effect;
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2013-03-08 01:50:15 +00:00
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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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2013-05-10 02:18:32 +00:00
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g_batching = 1,
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2013-03-08 01:50:15 +00:00
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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) {
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for (int i = 0; i < 3; ++i) {
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_p[0][i] = min[i];
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_p[1][i] = max[i];
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}
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}
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bool OutOfFrustum(const float *modelViewProjection) {
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int clip_or = 0;
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for (int i = 0; i < 2; ++i) {
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for (int j = 0; j < 2; ++j) {
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for (int k = 0; k < 2; ++k) {
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float v[4];
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v[0] = _p[i][0];
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v[1] = _p[j][1];
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v[2] = _p[k][2];
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v[3] = 1.0f;
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apply(v, modelViewProjection);
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int clip = 0;
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clip = (v[0] < v[3]);
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clip = (v[1] < v[3]) | (clip << 1);
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clip = (v[0] > -v[3]) | (clip << 1);
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clip = (v[1] > -v[3]) | (clip << 1);
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clip_or |= clip;
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}
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}
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}
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return clip_or != 0xf;
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}
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float _p[2][3];
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};
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std::vector<BBox> g_bboxes;
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struct Matrix {
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float value[16];
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};
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std::vector<Matrix> g_transforms;
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Scheme g_scheme;
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int g_level = 2;
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int g_tessLevel = 1;
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int g_tessLevelMin = 0;
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int g_screenSpaceTess = 1;
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int g_kernel = kCPU;
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#define MAX_MODELS 600
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int g_modelCount = 4;
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2013-05-16 23:55:53 +00:00
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int g_moveModels = g_modelCount;
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2013-03-08 01:50:15 +00:00
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2013-05-10 02:18:32 +00:00
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GLuint g_queries[2] = {0, 0};
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2013-03-08 01:50:15 +00:00
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static void
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checkGLErrors(std::string const & where = "")
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{
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GLuint err;
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while ((err = glGetError()) != GL_NO_ERROR) {
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/*
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std::cerr << "GL error: "
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<< (where.empty() ? "" : where + " ")
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<< err << "\n";
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*/
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}
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}
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//------------------------------------------------------------------------------
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2013-05-10 02:18:32 +00:00
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#include "shapes.h"
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2013-03-08 01:50:15 +00:00
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static void
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2013-05-10 02:18:32 +00:00
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updateGeom(bool forceAll) {
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2013-03-08 01:50:15 +00:00
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2013-05-10 02:18:32 +00:00
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float r = (float)sin(g_totalTime);
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2013-03-08 01:50:15 +00:00
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for (int j = 0; j < g_modelCount * g_modelCount; ++j) {
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2013-05-10 02:18:32 +00:00
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if (forceAll == false && j >= g_moveModels) break;
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2013-03-08 01:50:15 +00:00
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int nverts = (int)g_positions[j].size()/3;
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std::vector<float> vertex;
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vertex.resize(nverts * 3);
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float * d = &vertex[0];
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const float *p = &g_positions[j][0];
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for (int i = 0; i < nverts; ++i) {
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float ct = cos(p[2] * r);
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float st = sin(p[2] * r);
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float v[4];
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v[0] = p[0]*ct + p[1]*st;
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v[1] = -p[0]*st + p[1]*ct;
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v[2] = p[2];
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v[3] = 1;
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apply(v, g_transforms[j].value);
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*d++ = v[0];
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*d++ = v[1];
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*d++ = v[2];
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2013-05-10 02:18:32 +00:00
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2013-03-08 01:50:15 +00:00
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p += 3;
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}
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2013-05-16 23:55:53 +00:00
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g_batch->UpdateCoarseVertices(j, &vertex[0], nverts);
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2013-03-08 01:50:15 +00:00
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}
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Stopwatch s;
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s.Start();
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2013-05-10 02:18:32 +00:00
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g_batch->FinalizeUpdate();
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2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
s.Stop();
|
|
|
|
g_cpuTime = float(s.GetElapsed() * 1000.0f);
|
|
|
|
s.Start();
|
|
|
|
|
2013-05-10 16:20:45 +00:00
|
|
|
if (g_kernel == kCPU) Controller<OpenSubdiv::OsdCpuComputeController>::GetInstance()->Synchronize();
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENMP
|
|
|
|
else if (g_kernel == kOPENMP) Controller<OpenSubdiv::OsdOmpComputeController>::GetInstance()->Synchronize();
|
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENCL
|
|
|
|
else if (g_kernel == kCL) Controller<OpenSubdiv::OsdCLComputeController>::GetInstance()->Synchronize();
|
|
|
|
#endif
|
2013-05-10 02:18:32 +00:00
|
|
|
#ifdef OPENSUBDIV_HAS_CUDA
|
2013-05-10 16:20:45 +00:00
|
|
|
else if (g_kernel == kCUDA) Controller<OpenSubdiv::OsdCudaComputeController>::GetInstance()->Synchronize();
|
2013-05-10 02:18:32 +00:00
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
|
2013-05-10 16:20:45 +00:00
|
|
|
else if (g_kernel == kGLSL) Controller<OpenSubdiv::OsdGLSLTransformFeedbackComputeController>::GetInstance()->Synchronize();
|
2013-05-10 02:18:32 +00:00
|
|
|
#endif
|
2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
s.Stop();
|
|
|
|
g_gpuTime = float(s.GetElapsed() * 1000.0f);
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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);
|
2013-05-10 02:18:32 +00:00
|
|
|
OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farMesh = meshFactory.Create(true);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
// 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
|
2013-05-10 02:18:32 +00:00
|
|
|
rebuild()
|
2013-03-08 01:50:15 +00:00
|
|
|
{
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
delete g_batch;
|
|
|
|
g_batch = NULL;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-22 00:20:22 +00:00
|
|
|
int numVertexElements = 3, numVaryingElements = 0;
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
// create multimesh batch
|
2013-05-10 16:20:45 +00:00
|
|
|
if (g_kernel == kCPU) {
|
2013-05-16 23:55:53 +00:00
|
|
|
g_batch = OpenSubdiv::OsdUtilMeshBatch<OpenSubdiv::OsdCpuGLVertexBuffer,
|
2013-05-17 00:48:06 +00:00
|
|
|
MyDrawContext, OpenSubdiv::OsdCpuComputeController>::Create(
|
2013-05-10 02:18:32 +00:00
|
|
|
Controller<OpenSubdiv::OsdCpuComputeController>::GetInstance(),
|
2013-05-22 00:20:22 +00:00
|
|
|
farMeshes, numVertexElements, numVaryingElements, 0);
|
2013-05-10 16:20:45 +00:00
|
|
|
#ifdef OPENSUBDIV_HAS_OPENMP
|
|
|
|
} else if (g_kernel == kOPENMP) {
|
2013-05-16 23:55:53 +00:00
|
|
|
g_batch = OpenSubdiv::OsdUtilMeshBatch<OpenSubdiv::OsdCpuGLVertexBuffer,
|
2013-05-17 00:48:06 +00:00
|
|
|
MyDrawContext,
|
|
|
|
OpenSubdiv::OsdOmpComputeController>::Create(
|
2013-05-10 16:20:45 +00:00
|
|
|
Controller<OpenSubdiv::OsdOmpComputeController>::GetInstance(),
|
2013-05-22 00:20:22 +00:00
|
|
|
farMeshes, numVertexElements, numVaryingElements, 0);
|
2013-05-10 16:20:45 +00:00
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_OPENCL
|
|
|
|
} else if (g_kernel == kCL) {
|
2013-05-16 23:55:53 +00:00
|
|
|
g_batch = OpenSubdiv::OsdUtilMeshBatch<OpenSubdiv::OsdCLGLVertexBuffer,
|
2013-05-17 00:48:06 +00:00
|
|
|
MyDrawContext, OpenSubdiv::OsdCLComputeController>::Create(
|
2013-05-10 16:20:45 +00:00
|
|
|
Controller<OpenSubdiv::OsdCLComputeController>::GetInstance(),
|
2013-05-22 00:20:22 +00:00
|
|
|
farMeshes, numVertexElements, numVaryingElements, 0);
|
2013-05-10 16:20:45 +00:00
|
|
|
#endif
|
2013-05-10 02:18:32 +00:00
|
|
|
#ifdef OPENSUBDIV_HAS_CUDA
|
|
|
|
} else if (g_kernel == kCUDA) {
|
2013-05-16 23:55:53 +00:00
|
|
|
g_batch = OpenSubdiv::OsdUtilMeshBatch<OpenSubdiv::OsdCudaGLVertexBuffer,
|
2013-05-17 00:48:06 +00:00
|
|
|
MyDrawContext, OpenSubdiv::OsdCudaComputeController>::Create(
|
|
|
|
Controller<OpenSubdiv::OsdCudaComputeController>::GetInstance(),
|
2013-05-22 00:20:22 +00:00
|
|
|
farMeshes, numVertexElements, numVaryingElements, 0);
|
2013-05-10 02:18:32 +00:00
|
|
|
#endif
|
|
|
|
#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
|
|
|
|
} else if (g_kernel == kGLSL) {
|
2013-05-17 00:48:06 +00:00
|
|
|
g_batch = OpenSubdiv::OsdUtilMeshBatch<OpenSubdiv::OsdGLVertexBuffer,
|
|
|
|
MyDrawContext, OpenSubdiv::OsdGLSLTransformFeedbackComputeController>::Create(
|
2013-05-10 02:18:32 +00:00
|
|
|
Controller<OpenSubdiv::OsdGLSLTransformFeedbackComputeController>::GetInstance(),
|
2013-05-22 00:20:22 +00:00
|
|
|
farMeshes, numVertexElements, numVaryingElements, 0);
|
2013-03-08 01:50:15 +00:00
|
|
|
#endif
|
|
|
|
} else {
|
2013-05-10 02:18:32 +00:00
|
|
|
assert(false);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
assert(g_batch);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
g_scheme = scheme;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
for (size_t i = 0; i < farMeshes.size(); ++i) {
|
|
|
|
delete farMeshes[i];
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
g_tessLevelMin = 0;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
g_tessLevel = std::max(g_tessLevel,g_tessLevelMin);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
updateGeom(true);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
2013-05-10 02:18:32 +00:00
|
|
|
static void
|
|
|
|
fitFrame() {
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
g_pan[0] = g_pan[1] = 0;
|
|
|
|
g_dolly = g_size;
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
display() {
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
// set effect
|
|
|
|
g_effect.wire = g_wire;
|
2013-05-14 17:48:48 +00:00
|
|
|
g_effect.screenSpaceTess = (g_screenSpaceTess != 0);
|
|
|
|
g_effect.displayPatchColor = (g_displayPatchColor != 0);
|
2013-05-10 02:18:32 +00:00
|
|
|
|
|
|
|
// prepare view matrix
|
|
|
|
float aspect = g_width/(float)g_height;
|
|
|
|
float modelview[16], projection[16];
|
|
|
|
identity(modelview);
|
|
|
|
translate(modelview, -g_pan[0], -g_pan[1], -g_dolly);
|
|
|
|
rotate(modelview, g_rotate[1], 1, 0, 0);
|
|
|
|
rotate(modelview, g_rotate[0], 0, 1, 0);
|
|
|
|
rotate(modelview, -90, 1, 0, 0);
|
|
|
|
translate(modelview, -g_center[0], -g_center[1], -g_center[2]);
|
|
|
|
perspective(projection, 45.0f, aspect, 0.01f, 500.0f);
|
|
|
|
|
|
|
|
g_effect.SetMatrix(modelview, projection);
|
|
|
|
g_effect.SetTessLevel((float)(1 << g_tessLevel));
|
|
|
|
g_effect.SetLighting();
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
// prepare draw items
|
|
|
|
|
2013-03-08 01:50:15 +00:00
|
|
|
Stopwatch s;
|
|
|
|
s.Start();
|
|
|
|
|
2013-05-22 00:20:22 +00:00
|
|
|
OpenSubdiv::OsdUtilDrawItem<MyDrawDelegate::EffectHandle, MyDrawContext>::Collection items;
|
|
|
|
OpenSubdiv::OsdUtilDrawItem<MyDrawDelegate::EffectHandle, MyDrawContext>::Collection cachedDrawItems;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-16 23:55:53 +00:00
|
|
|
int numModels = g_modelCount*g_modelCount;
|
|
|
|
items.reserve(numModels);
|
|
|
|
|
|
|
|
for (int i = 0; i < numModels; ++i) {
|
2013-05-10 02:18:32 +00:00
|
|
|
// Here, client can pack arbitrary mesh and effect into drawItems.
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-22 00:20:22 +00:00
|
|
|
items.push_back(OpenSubdiv::OsdUtilDrawItem<MyDrawDelegate::EffectHandle, MyDrawContext>(
|
|
|
|
g_batch, &g_effect, g_batch->GetPatchArrays(i)));
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
if (g_batching) {
|
|
|
|
// create cached draw items
|
2013-05-22 00:20:22 +00:00
|
|
|
OpenSubdiv::OsdUtil::OptimizeDrawItem(items, cachedDrawItems, &g_drawDelegate);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
s.Stop();
|
|
|
|
float prepCpuTime = float(s.GetElapsed() * 1000.0f);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
// draw items
|
|
|
|
s.Start();
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
glViewport(0, 0, g_width, g_height);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
// primitive counting
|
|
|
|
glBeginQuery(GL_PRIMITIVES_GENERATED, g_queries[0]);
|
2013-05-17 22:53:36 +00:00
|
|
|
#if defined(GL_VERSION_3_3)
|
2013-05-10 02:18:32 +00:00
|
|
|
glBeginQuery(GL_TIME_ELAPSED, g_queries[1]);
|
2013-05-17 22:53:36 +00:00
|
|
|
#endif
|
2013-05-10 02:18:32 +00:00
|
|
|
g_drawDelegate.ResetNumDrawCalls();
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
if (g_wire == 0) glDisable(GL_CULL_FACE);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
if (g_batching) {
|
|
|
|
OpenSubdiv::OsdUtil::DrawCollection(cachedDrawItems, &g_drawDelegate);
|
|
|
|
} else {
|
|
|
|
OpenSubdiv::OsdUtil::DrawCollection(items, &g_drawDelegate);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
if (g_wire == 0) glEnable(GL_CULL_FACE);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
glEndQuery(GL_PRIMITIVES_GENERATED);
|
2013-05-17 22:53:36 +00:00
|
|
|
#if defined(GL_VERSION_3_3)
|
2013-05-10 02:18:32 +00:00
|
|
|
glEndQuery(GL_TIME_ELAPSED);
|
2013-05-17 22:53:36 +00:00
|
|
|
#endif
|
2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
s.Stop();
|
|
|
|
float drawCpuTime = float(s.GetElapsed() * 1000.0f);
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
// -----------------------------------------------------------------------
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
GLuint numPrimsGenerated = 0;
|
|
|
|
GLuint timeElapsed = 0;
|
|
|
|
glGetQueryObjectuiv(g_queries[0], GL_QUERY_RESULT, &numPrimsGenerated);
|
2013-05-17 22:53:36 +00:00
|
|
|
#if defined(GL_VERSION_3_3)
|
2013-05-10 02:18:32 +00:00
|
|
|
glGetQueryObjectuiv(g_queries[1], GL_QUERY_RESULT, &timeElapsed);
|
2013-05-17 22:53:36 +00:00
|
|
|
#endif
|
2013-05-14 17:48:48 +00:00
|
|
|
float drawGpuTime = timeElapsed / 1000.0f / 1000.0f;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
if (g_hud.IsVisible()) {
|
|
|
|
g_fpsTimer.Stop();
|
|
|
|
g_totalTime += g_fpsTimer.GetElapsed();
|
|
|
|
double fps = 1.0/g_fpsTimer.GetElapsed();
|
|
|
|
g_fpsTimer.Start();
|
2013-05-10 02:18:32 +00:00
|
|
|
g_hud.DrawString(10, -200, "Draw Calls : %d", g_drawDelegate.GetNumDrawCalls());
|
2013-03-08 01:50:15 +00:00
|
|
|
g_hud.DrawString(10, -180, "Tess level : %d", g_tessLevel);
|
|
|
|
g_hud.DrawString(10, -160, "Primitives : %d", numPrimsGenerated);
|
2013-05-10 02:18:32 +00:00
|
|
|
g_hud.DrawString(10, -120, "GPU Kernel : %.3f ms", g_gpuTime);
|
|
|
|
g_hud.DrawString(10, -100, "CPU Kernel : %.3f ms", g_cpuTime);
|
|
|
|
g_hud.DrawString(10, -80, "GPU Draw : %.3f ms", drawGpuTime);
|
|
|
|
g_hud.DrawString(10, -60, "CPU Draw : %.3f ms", drawCpuTime);
|
|
|
|
g_hud.DrawString(10, -40, "CPU Prep : %.3f ms", prepCpuTime);
|
2013-03-08 01:50:15 +00:00
|
|
|
g_hud.DrawString(10, -20, "FPS : %3.1f", fps);
|
|
|
|
|
|
|
|
g_hud.Flush();
|
|
|
|
}
|
|
|
|
|
|
|
|
checkGLErrors("display leave");
|
2013-05-10 16:20:45 +00:00
|
|
|
glFinish();
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
2013-04-19 02:15:30 +00:00
|
|
|
motion(GLFWwindow *, double dx, double dy) {
|
|
|
|
int x=(int)dx, y=(int)dy;
|
2013-03-08 01:50:15 +00:00
|
|
|
#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
|
2013-06-20 18:53:33 +00:00
|
|
|
mouse(GLFWwindow *, int button, int state, int mods) {
|
2013-03-08 01:50:15 +00:00
|
|
|
#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() {
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
glDeleteQueries(2, g_queries);
|
2013-03-08 01:50:15 +00:00
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
delete g_batch;
|
|
|
|
g_batch = NULL;
|
2013-03-08 01:50:15 +00:00
|
|
|
|
|
|
|
#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
|
|
|
|
#if GLFW_VERSION_MAJOR>=3
|
2013-06-20 18:53:33 +00:00
|
|
|
keyboard(GLFWwindow *, int key, int scancode, int event, int mods) {
|
2013-03-08 01:50:15 +00:00
|
|
|
#else
|
2013-06-20 18:53:33 +00:00
|
|
|
#define GLFW_KEY_ESCAPE GLFW_KEY_ESC
|
2013-03-08 01:50:15 +00:00
|
|
|
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 '+':
|
2013-05-10 02:18:32 +00:00
|
|
|
case '=': g_tessLevel++; break;
|
|
|
|
case '-': g_tessLevel = std::max(g_tessLevelMin, g_tessLevel-1); break;
|
|
|
|
case '.': g_moveModels = std::max(g_moveModels*2, 1); break;
|
|
|
|
case ',': g_moveModels = std::max(g_moveModels/2, 0); break;
|
|
|
|
case 'I': g_modelCount = std::max(g_modelCount/2, 1); rebuild(); break;
|
|
|
|
case 'O': g_modelCount = std::min(g_modelCount*2, MAX_MODELS); rebuild(); break;
|
2013-06-20 18:53:33 +00:00
|
|
|
case GLFW_KEY_ESCAPE: g_hud.SetVisible(!g_hud.IsVisible()); break;
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
rebuild();
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
callbackLevel(int l)
|
|
|
|
{
|
|
|
|
g_level = l;
|
2013-05-10 02:18:32 +00:00
|
|
|
rebuild();
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
rebuild();
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
callbackCheckBox(bool checked, int button)
|
|
|
|
{
|
|
|
|
switch(button) {
|
2013-05-10 02:18:32 +00:00
|
|
|
case HUD_CB_BATCHING:
|
|
|
|
g_batching = checked;
|
2013-03-08 01:50:15 +00:00
|
|
|
break;
|
|
|
|
case HUD_CB_ADAPTIVE:
|
|
|
|
if (OpenSubdiv::OsdGLDrawContext::SupportsAdaptiveTessellation()) {
|
|
|
|
g_adaptive = checked;
|
2013-05-10 02:18:32 +00:00
|
|
|
rebuild();
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
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');
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
g_hud.AddCheckBox("Batching (B)", g_batching != 0, 350, 10, callbackCheckBox, HUD_CB_BATCHING, 'b');
|
2013-03-08 01:50:15 +00:00
|
|
|
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);
|
|
|
|
|
2013-05-10 02:18:32 +00:00
|
|
|
glGenQueries(2, g_queries);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
static void
|
|
|
|
idle() {
|
|
|
|
|
|
|
|
if (not g_freeze) {
|
|
|
|
g_frame++;
|
2013-05-10 02:18:32 +00:00
|
|
|
updateGeom(false);
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
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) {
|
2013-06-20 18:53:33 +00:00
|
|
|
GLFWvidmode const * vidmode = glfwGetVideoMode(g_primary);
|
|
|
|
g_width = vidmode->width;
|
|
|
|
g_height = vidmode->height;
|
2013-03-08 01:50:15 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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();
|
|
|
|
|
|
|
|
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
|
|
|
|
}
|
|
|
|
|
|
|
|
uninitGL();
|
|
|
|
glfwTerminate();
|
|
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|