public void Init()
{
Pipeline pipeline = m_graphics.Pipeline;
m_gizmoRenderer = new GizmoRenderer(pipeline);
ModelVertexInfo[] vertexLayout = ModelVertexInfo.GetVertexInfo <Vertex>();
int vertexSize = Marshal.SizeOf <Vertex>();
m_defferedShader = new Program
(
new PixelShader(Shaders.DEFFERED_PIXEL, pipeline),
new VertexShader(Shaders.QUAD_VERTEX, pipeline),
vertexLayout,
vertexSize,
false,
e_CullingMode.Back,
pipeline
);
m_defferedShader.VertexShader.Dispose();
m_defferedShader.PixelShader.Dispose();
const int buffCount = 3;
m_renderTarget = new MultiRenderTexture(buffCount, 1920, 1080, pipeline);
m_transparentRenderTarget = new MultiRenderTexture(buffCount, 1920, 1080, pipeline);
m_drawBuffers = new DrawBuffersEnum[buffCount];
for (int i = 0; i < buffCount; ++i)
{
m_drawBuffers[i] = DrawBuffersEnum.ColorAttachment0 + i;
}
}
void MergePass(MultiRenderTexture a_renderTexture)
{
int progHandle = ((OpenTKProgram)m_defferedShader.InternalObject).Handle;
GL.UseProgram(progHandle);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, ((OpenTKTexture)a_renderTexture.RenderTextures[0].InternalObject).Handle);
GL.Uniform1(1, 0);
// I do not need the vertex data however I apparently need data bound so just have an empty object
OpenTKPipeline pipeline = (OpenTKPipeline)m_graphics.Pipeline.InternalPipeline;
GL.BindVertexArray(pipeline.StaticVAO);
#if DEBUG_INFO
Pipeline.GLError("Graphics: Merge Binding: ");
#endif
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
#if DEBUG_INFO
Pipeline.GLError("Graphics: Merging Deffered: ");
#endif
}
void LightingPass(MultiRenderTexture a_renderTexture)
{
GL.Disable(EnableCap.DepthTest);
// GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.Blend);
// GL.BlendFunc(BlendingFactor.One, BlendingFactor.One);
foreach (Light light in Light.LightList)
{
if (light.Draw)
{
UniformBufferObject ubo = m_graphics.LightBufferObject;
Material material = light.BindLightDrawing();
ubo.UpdateData(light.GetLightData());
BindCamera();
BindTransform(light.Transform.ToMatrix(), light.Transform.RotationMatrix);
BindableContainer cont = BindMaterial(material);
GL.ActiveTexture(TextureUnit.Texture0 + cont.Textures);
GL.BindTexture(TextureTarget.Texture2D, ((OpenTKTexture)a_renderTexture.RenderTextures[0].InternalObject).Handle);
GL.Uniform1(0, cont.Textures++);
GL.ActiveTexture(TextureUnit.Texture0 + cont.Textures);
GL.BindTexture(TextureTarget.Texture2D, ((OpenTKTexture)a_renderTexture.RenderTextures[1].InternalObject).Handle);
GL.Uniform1(1, cont.Textures++);
GL.ActiveTexture(TextureUnit.Texture0 + cont.Textures);
GL.BindTexture(TextureTarget.Texture2D, ((OpenTKTexture)a_renderTexture.RenderTextures[2].InternalObject).Handle);
GL.Uniform1(2, cont.Textures++);
GL.ActiveTexture(TextureUnit.Texture0 + cont.Textures);
GL.BindTexture(TextureTarget.Texture2D, ((OpenTKTexture)m_renderTarget.DepthBuffer.InternalObject).Handle);
GL.Uniform1(3, cont.Textures++);
ubo.UpdateBuffer();
GL.BindBufferBase(BufferRangeTarget.UniformBuffer, Material.LightUBOIndex, ((OpenTKUniformBufferObject)ubo.InternalObject).Handle);
light.BindShadowMap(cont);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
#if DEBUG_INFO
Pipeline.GLError("Graphics: Lighting: ");
#endif
}
}
GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.DepthTest);
}
