private VertexArrayObject AllocateVaoMemory(string path)
{
VertexArrayObject vao = null;
using (AssimpModelLoader loader = new AssimpModelLoader(path))
{
MeshVertexData meshData = loader.GetMeshData();
VertexBufferObjectTwoDimension <float> verticesVBO = new VertexBufferObjectTwoDimension <float>(meshData.Verts, BufferTarget.ArrayBuffer, 0, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
VertexBufferObjectTwoDimension <float> normalsVBO = new VertexBufferObjectTwoDimension <float>(meshData.N_Verts, BufferTarget.ArrayBuffer, 1, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
VertexBufferObjectTwoDimension <float> texCoordsVBO = new VertexBufferObjectTwoDimension <float>(meshData.T_Verts, BufferTarget.ArrayBuffer, 2, 2, VertexBufferObjectBase.DataCarryFlag.Invalidate);
var transformationVboTuples = PlantUserAttributeBuilder.GetInstacedTransformationBuffer(_plants, INIT_BUFFER_SIZE);
var windVBO = PlantUserAttributeBuilder.GetInstancedWindBuffer(_plants, INIT_BUFFER_SIZE);
var samplerVBO = PlantUserAttributeBuilder.GetInstanceSamplerBuffer(_plants, INIT_BUFFER_SIZE);
vao = new VertexArrayObject();
vao.AddVBO(verticesVBO, normalsVBO, texCoordsVBO,
transformationVboTuples.Item1.Item1, transformationVboTuples.Item1.Item2, transformationVboTuples.Item2.Item1, transformationVboTuples.Item2.Item2,
windVBO, samplerVBO);
vao.BindBuffersToVao();
}
return(vao);
}
private void postConstructor(Landscape terrain = null)
{
if (this._postConstructor)
{
AlignPlantsToTerrain(terrain);
this._attribs = PlantUserAttributeBuilder.BuildReadyUserAttributeBuffer(_plants, _attribs);
_buffer = new VAO(_attribs);
VAOManager.genVAO(_buffer);
VAOManager.setBufferData(BufferTarget.ArrayBuffer, _buffer);
_shader = PoolProxy.GetResource <ObtainShaderPool, ShaderAllocationPolicy <PlantShader>, string, PlantShader>(ProjectFolders.ShadersPath + "plantVertexShader.glsl" + "," + ProjectFolders.ShadersPath + "plantFragmentShader.glsl");
this._postConstructor = !this._postConstructor;
}
}