private void SetShaderParameters()
{
_cameraSettings.SetData(tracingShader);
tracingShader.SetInt("_SPPS", spps);
tracingShader.SetTexture(0, "_SkyboxTexture", skyboxTex);
tracingShader.SetFloat("_Seed", Random.value);
for (int i = 0; i < _theScene.diffuseTextures.Count; i++)
{
tracingShader.SetTexture(0, string.Format("_Texture{0}", i), _theScene.diffuseTextures[i]);
}
Vector3 l = sun.transform.forward;
tracingShader.SetVector("_DirectionalLight", new Vector4(l.x, l.y, l.z, sun.intensity));
// bvh data
SetComputeBuffer("_BVHNodes", _nodesBuffer);
SetComputeBuffer("_BVHWoopTris", _woopTrisBuffer);
SetComputeBuffer("_BVHTriIndices", _triIndicesBuffer);
// scene raw data
// per vertex
SetComputeBuffer("_Vertices", _verticesBuffer);
SetComputeBuffer("_Normals", _normalsBuffer);
SetComputeBuffer("_UV0s", _uv0sBuffer);
// per triangle
SetComputeBuffer("_Triangles", _trianglesBuffer);
SetComputeBuffer("_MatUbers", _materialsBuffer);
SetComputeBuffer("_MatIndices", _matIdxBuffer);
tracingShader.SetTexture(0, "_DiffuseTextures", _diffuseTextures);
}