public static ITexture CopyTexture(ITexture src)
{
ITexture dst = PoolProxy.GetResource <ObtainRenderTargetPool, RenderTargetAllocationPolicy, TextureParameters, ITexture>(src.GetTextureParameters());
var renderTarget = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, renderTarget);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, src.GetTextureParameters().TexTarget, dst.GetTextureDescriptor(), 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
//GL.Disable(EnableCap.DepthTest);
GL.Viewport(0, 0, src.GetTextureRezolution().X, src.GetTextureRezolution().Y);
// start copy texture to render target
copyShader.startProgram();
src.BindTexture(TextureUnit.Texture0);
copyShader.SetUniformValues(0);
var quadBuffer = ScreenQuad.GetScreenQuadBuffer();
quadBuffer.RenderVAO(PrimitiveType.Triangles);
copyShader.stopProgram();
GL.Enable(EnableCap.DepthTest);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.DeleteFramebuffer(renderTarget);
return(dst);
}
public void WriteDepth(IList <IDrawable> CastingShadowActors, ref Matrix4 ProjectionMatrix)
{
GL.Viewport(0, 0, m_shadowMapTexture.GetTextureRezolution().X, m_shadowMapTexture.GetTextureRezolution().Y);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, m_framebufferHandler);
GL.Clear(ClearBufferMask.DepthBufferBit);
Matrix4 shadowProjectionMatrix = GetShadowProjectionMatrix(ref ProjectionMatrix);
Matrix4 shadowViewMatrix = GetShadowViewMatrix();
m_shadowShader.startProgram();
foreach (IDrawable actor in CastingShadowActors)
{
if (actor != null)
{
m_shadowShader.SetUniformValues(actor.GetWorldMatrix(), shadowViewMatrix, shadowProjectionMatrix);
actor.GetMeshVao().RenderVAO(PrimitiveType.Triangles);
}
}
m_shadowShader.stopProgram();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public void Bind()
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, FramebufferDescriptor);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
GL.Viewport(0, 0, ColorTexture.GetTextureRezolution().X, ColorTexture.GetTextureRezolution().Y);
}