// render depthmap
public void Render(Shader shader, SceneGraph scene)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, id);
GL.Viewport(0, 0, programValues.depthmapres, programValues.depthmapres);
GL.Enable(EnableCap.DepthTest);
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.CullFace(CullFaceMode.Front);
scene.SimpleRender(camera, position, shader);
GL.CullFace(CullFaceMode.Back);
GL.Disable(EnableCap.DepthTest);
GL.Viewport(0, 0, programValues.screenwidth, programValues.screenheight);
}
public void Render(Shader shader, Vector3 transform, SceneGraph scene)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.TextureCubeMap, id);
Matrix4 cameraPosition = Matrix4.CreateTranslation(-transform);
GL.Viewport(0, 0, programValues.cubedepthmapres, programValues.cubedepthmapres);
GL.Enable(EnableCap.DepthTest);
GL.CullFace(CullFaceMode.Front);
for (int i = 0; i < 6; ++i)
{
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, TextureTarget.TextureCubeMapPositiveX + i, id, 0);
GL.Clear(ClearBufferMask.DepthBufferBit);
scene.SimpleRender(cameraPosition * cameraRotations[i] * cameraFOV, cameraPosition, programValues.depthcubemapshader);
}
GL.CullFace(CullFaceMode.Back);
GL.Viewport(0, 0, programValues.screenwidth, programValues.screenheight);
}
// render cubemap
public void Render(Shader shader, Vector3 transform, SceneGraph scene, ParentMesh parent)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.TextureCubeMap, id);
Matrix4 cameraPosition = Matrix4.CreateTranslation(-transform);
GL.Viewport(0, 0, programValues.cubemapres, programValues.cubemapres);
GL.Enable(EnableCap.DepthTest);
for (int i = 0; i < 6; ++i)
{
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.TextureCubeMapPositiveX + i, id, 0);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.ClearColor(0, 0, 0, 0);
scene.RenderSkyBox(cameraPosition, cameraRotations[i], cameraFOV, programValues.skyboxshader);
scene.SimpleRender(cameraPosition * cameraRotations[i] * cameraFOV, cameraPosition, programValues.cubemapshader, parent);
}
GL.Disable(EnableCap.DepthTest);
GL.Viewport(0, 0, programValues.screenwidth, programValues.screenheight);
}