private void LoadBufferWithTriangles(SceneParser sceneParser, ref ComputeBuffer triangleDataBuffer)
{
int triCount = sceneParser.GetTriangles().Count;
triangleDataBuffer?.Release();
if (triCount > 0)
{
triangleDataBuffer = new ComputeBuffer(triCount, RTTriangle_t.GetSize());
triangleDataBuffer.SetData(sceneParser.GetTriangles());
}
else
{
triangleDataBuffer = new ComputeBuffer(1, RTTriangle_t.GetSize());
}
}
protected override void Render(ScriptableRenderContext renderContext, Camera[] cameras) // This is the function called every frame to draw on the screen
{
RunParseScene();
foreach (var camera in cameras)
{
RunTargetTextureInit(ref m_target);
RunClearCanvas(commands, camera);
RunLoadGeometryToBuffer(m_sceneParser, ref commands, ref m_triangleBuffer);
RunSetCameraToMainShader(camera);
RunSetAmbientToMainShader(m_config);
RunSetTrianglesToMainShader(ref m_triangleBuffer, m_sceneParser.GetTriangles().Count);
RunRayTracing(ref commands, m_target);
RunSendTextureToUnity(commands, m_target, renderContext, camera);
RunBufferCleanUp();
// // Create an structure to hold the culling paramaters
// ScriptableCullingParameters cullingParams;
// //Populate the culling paramaters from the camera
// if (camera.TryGetCullingParameters(out cullingParams))
// {
// continue;
// }
// // Perform the culling operation
// CullingResults cullingResults = renderContext.Cull(ref cullingParams);
// // Get the opaque rendering filter settings
// var opaqueRange = new FilteringSettings();
// //Set the range to be the opaque queues
// // relacing min/max with lowerBound/upperBound
// opaqueRange.renderQueueRange = new RenderQueueRange()
// {
// lowerBound = 0,
// upperBound = (int)UnityEngine.Rendering.RenderQueue.GeometryLast,
// };
// //Include all layers
// opaqueRange.layerMask = ~0;
// // Create the draw render settings
// // note that it takes a shader pass name
// var sortingSettings = new SortingSettings(camera);
// sortingSettings.criteria = SortingCriteria.CommonOpaque;
// var drs = new DrawingSettings(new ShaderTagId("Opaque"), sortingSettings);
// // enable instancing for the draw call
// drs.enableInstancing = true;
// // A batch of rendering commands
// var cmd = new CommandBuffer();
// cmd.ClearRenderTarget(true, true, m_clearColor);
// // Execute the commands
// renderContext.ExecuteCommandBuffer(cmd);
// // Release the memory hold by the buffer
// cmd.Release();
// // draw all of the renderers
// renderContext.DrawRenderers(cullingResults, ref drs, ref opaqueRange);
// // Return the render context
// renderContext.Submit();
}
}
