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Using final KHR ray tracing extension: VK_KHR_acceleration_structure, VK_KHR_ray_tracing_pipeline and VK_KHR_ray_query

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mklefrancois 2020-11-23 11:33:51 +01:00
parent 7179569ec3
commit b26ff92473
80 changed files with 2446 additions and 2351 deletions
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6
ray_tracing_intersection/README.md
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@ -190,11 +190,11 @@ In `main.cpp`, where we are loading the OBJ model, we can replace it with
~~~~ C++
// Creation of the example
helloVk.loadModel(nvh::findFile("media/scenes/plane.obj", defaultSearchPaths));
helloVk.loadModel(nvh::findFile("media/scenes/plane.obj", defaultSearchPaths, true));
helloVk.createSpheres();
~~~~
:warning: **Note:** it is possible to have more OBJ models, but the spheres will need to be added after all of them.
**Note:** it is possible to have more OBJ models, but the spheres will need to be added after all of them.
The scene will be large, better to move the camera out
@ -248,7 +248,7 @@ Just before building the TLAS, we need to add the following
rayInst.instanceId = static_cast<uint32_t>(tlas.size()); // gl_InstanceID
rayInst.blasId = static_cast<uint32_t>(m_objModel.size());
rayInst.hitGroupId = 1; // We will use the same hit group for all objects
rayInst.flags = vk::GeometryInstanceFlagBitsKHR::eTriangleCullDisable;
rayInst.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
tlas.emplace_back(rayInst);
}
~~~~