add back embree 2.0 to external (without cmake junk)

2013-10-29 11:02:07 +01:00
parent 2999ce5b82
commit 237fb8899a
1608 changed files with 265412 additions and 0 deletions
@@ -0,0 +1,91 @@
+// ======================================================================== //
+// Copyright 2009-2013 Intel Corporation                                    //
+//                                                                          //
+// Licensed under the Apache License, Version 2.0 (the "License");          //
+// you may not use this file except in compliance with the License.         //
+// You may obtain a copy of the License at                                  //
+//                                                                          //
+//     http://www.apache.org/licenses/LICENSE-2.0                           //
+//                                                                          //
+// Unless required by applicable law or agreed to in writing, software      //
+// distributed under the License is distributed on an "AS IS" BASIS,        //
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
+// See the License for the specific language governing permissions and      //
+// limitations under the License.                                           //
+// ======================================================================== //
+
+#include "../tutorial_host/tutorials_host.h"
+#include "../tutorial_device/tutorials_device.h"
+#include "../tutorials/obj_loader.h"
+
+namespace embree
+{
+  /* scene */
+  extern OBJMesh g_mesh;
+  extern Vec3f pointLightPosition;
+  extern Vec3f pointLightIntensity;
+  extern Vec3f ambientLightIntensity;
+  ispc::Scene* g_scene = NULL;
+
+  /* framebuffer */
+  int* g_pixels = NULL;
+  int g_width = -1;
+  int g_height = -1;
+
+  void init(int verbose) {
+    ispc::init(verbose);
+  }
+
+  void setScene(OBJMesh& g_mesh, 
+                const Vec3f pointLightPosition,
+                const Vec3f pointLightIntensity,
+                const Vec3f ambientLightIntensity)
+  {
+    g_scene = new ispc::Scene;
+    g_scene->materials = g_mesh.material.size() ? &g_mesh.material[0] : NULL;
+    g_scene->positions = g_mesh.v.size() ? &g_mesh.v[0] : NULL;
+    g_scene->normals = g_mesh.vn.size() ? &g_mesh.vn[0] : NULL;
+    g_scene->texcoords = g_mesh.vt.size() ? &g_mesh.vt[0] : NULL;
+    g_scene->triangles = g_mesh.triangles.size() ? &g_mesh.triangles[0] : NULL;
+    g_scene->numMaterials = g_mesh.material.size();
+    g_scene->numVertices = g_mesh.v.size();
+    g_scene->numTriangles = g_mesh.triangles.size();
+    g_scene->pointLightPosition = pointLightPosition;
+    g_scene->pointLightIntensity = pointLightIntensity;
+    g_scene->ambientLightIntensity = ambientLightIntensity;
+    ispc::set_scene(g_scene);
+  }
+
+  void resize(int32 width, int32 height)
+  {
+    if (width == g_width && height == g_height)
+      return;
+
+    if (g_pixels) alignedFree(g_pixels);
+    g_width = width;
+    g_height = height;
+    g_pixels = (int*) alignedMalloc(g_width*g_height*sizeof(int),64);
+  }
+
+  int* render(const float time, const Vec3f& vx, const Vec3f& vy, const Vec3f& vz, const Vec3f& p)
+  {
+    ispc::render(g_pixels,g_width,g_height,time, 
+                 (ispc::vec3f&)vx, 
+                 (ispc::vec3f&)vy, 
+                 (ispc::vec3f&)vz,
+                 (ispc::vec3f&)p);
+
+    return g_pixels;
+  }
+  
+  void unmap ()
+  {
+  }
+
+  void cleanup()
+  {
+    ispc::cleanup();
+    delete g_scene; g_scene = NULL;
+    alignedFree(g_pixels); g_pixels = NULL;
+  }
+}