public static void DrawNow(Mesh mesh, Material.Material material, Matrix4 worldMatrix = default)
{
if (material == null)
{
material = AssetDatabase.GetAsset <Material.Material>("Resources/Materials/Fallback.mat");
}
if (worldMatrix == default)
{
worldMatrix = Matrix4.Identity;
}
if (worldMatrix != default)
{
material.Shader.SetUniform("u_World", worldMatrix);
}
UniformBuffers.BindAll(material.Shader.Handle);
material.Bind();
mesh.VertexArray.Bind();
mesh.IndexBuffer.Bind();
GL.DrawElements(PrimitiveType.Triangles, mesh.IndexBuffer.Length, DrawElementsType.UnsignedInt, 0);
mesh.VertexArray.Unbind();
mesh.IndexBuffer.Unbind();
material.Unbind();
UniformBuffers.UnbindAll();
}
public static void DrawQueue()
{
FrameBuffer.Bind();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
FrameBuffer.Unbind();
fbo.Bind();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
fbo.Unbind();
for (int i = 0; i < drawQueue.Count; i++)
{
bool isLast = i == drawQueue.Count - 1;
bool drawFBO = false;
var call = (BatchDraw)drawQueue[i];
if (!isLast)
{
var callPlusOne = (BatchDraw)drawQueue[i + 1];
if (!call.material.Shader.IsTransparent && callPlusOne.material.Shader.IsTransparent)
{
drawFBO = true;
}
}
else
{
drawFBO = true;
}
//Try to set this...
call.material.Bind();
UniformBuffers.BindAll(call.material.Shader.Handle);
for (int j = 0; j < call.draws.Count; j++)
{
if (call.draws[j].worldMatrix != default)
{
call.material.Shader.SetUniform("u_World", call.draws[j].worldMatrix);
call.material.Shader.BindUniform("u_World");
}
call.draws[j].mesh.VertexArray.Bind();
call.draws[j].mesh.IndexBuffer.Bind();
if (call.material.Shader.IsTransparent)
{
if (call.material.Shader.ContainsUniform("u_Src"))
{
call.material.SetScreenSourceTexture("u_Src", fbo.ColorHandle, 1);
call.material.Shader.BindUniform("u_Src");
}
if (call.material.Shader.ContainsUniform("u_Depth"))
{
call.material.SetScreenSourceTexture("u_Depth", fbo.DepthHandle, 2);
call.material.Shader.BindUniform("u_Depth");
}
}
FrameBuffer.Bind();
try
{
var length = call.draws[j].mesh.IndexBuffer.Length;
GL.DrawElements(PrimitiveType.Triangles, length,
DrawElementsType.UnsignedInt, 0);
}
catch
{
Debug.Log("Error when trying to render an object");
}
call.draws[j].mesh.VertexArray.Unbind();
call.draws[j].mesh.IndexBuffer.Unbind();
FrameBuffer.Unbind();
}
call.draws.Clear();
if (isLast)
{
UniformBuffers.UnbindAll();
call.material.Unbind();
}
if (drawFBO)
{
if (!isLast)
{
GL.BlitNamedFramebuffer(FrameBuffer.Handle, fbo.Handle, 0, 0, FrameBuffer.Width, FrameBuffer.Height, 0, 0, fbo.Width, fbo.Height,
ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit, BlitFramebufferFilter.Nearest);
}
else
{
GL.Disable(EnableCap.DepthTest);
FBOMaterial.SetScreenSourceTexture("u_Src", FrameBuffer.ColorHandle, 0);
DrawNow(BlitMesh, FBOMaterial);
GL.Enable(EnableCap.DepthTest);
fbo.Unbind();
}
}
}
drawQueue.Clear();
}