internal void BindGBufferTexturesTo(Shader shader)
{
GL.Disable(EnableCap.DepthTest);
GL.DepthMask(false);
GL.CullFace(CullFaceMode.Back);
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, frameBufferObjectHandle);
// draw to the one we are not reading
if (readFirstFinalTexture)
{
GL.DrawBuffer(DrawBufferMode.ColorAttachment5);
}
else
{
GL.DrawBuffer(DrawBufferMode.ColorAttachment4);
}
shader.SetUniform("gBufferUniform.depthBuffer", depthTexture);
shader.SetUniform("gBufferUniform.final", finalTextureToRead);
for (int i = 0; i < textures.Length - 2; i++)
{
shader.SetUniform("gBufferUniform." + ((GBufferTextures)i).ToString().ToLower(), textures[i]);
/* // !!!!! WASTED AROUND 10 HOURS, BEFOURE I FOUND THE BUG IS HERE OMFG !!!!!! old wrong code below, when used i could not make diffuse lighting in deferred lighting pass
* if (shader.SetParam("G" + enums[i].ToLower(), texturingUnit))
* {
* var textureHandle = textures[i];
* GL.ActiveTexture(TextureUnit.Texture0 + texturingUnit);
* GL.BindTexture(TextureTarget.Texture2D, textureHandle);
* texturingUnit++;
* }*/
}
}
override internal void BindUniforms(Shader shader = null)
{
if (shader == null)
{
shader = this.gBufferShader;
}
//shader.SetUniform("material.albedoTexture", albedoTexture);
foreach (var p in fieldsToSend)
{
object val = p.GetValue(this);
if (val != null)
{
shader.SetUniform("material." + p.Name, val);
}
}
shader.SetUniform("material.useNormalMapping", normalMap != null);
shader.SetUniform("material.useParallaxMapping", depthMap != null);
base.BindUniforms(shader);
/*shader.SetUniform("material.albedo", albedo);
* shader.SetUniform("material.metallic", metallic);
* shader.SetUniform("material.smoothness", smoothness);
* shader.SetUniform("material.emission", emission);*/
}
internal void BindUniforms(Shader shader)
{
var shadowMatrix = this.shadowViewCamera.GetViewMat() * this.shadowViewCamera.GetProjectionMat();
// projection matrix is in range -1 1, but it is rendered into rexture which is in range 0 1
// so lets move it from -1 1 into 0 1 range, since we are reading from texture
shadowMatrix *= Matrix4.CreateScale(new Vector3(0.5f, 0.5f, 0.5f));
shadowMatrix *= Matrix4.CreateTranslation(new Vector3(0.5f, 0.5f, 0.5f));
shader.SetUniform("shadowMap.level0", depthMap);
shader.SetUniform("shadowMap.viewProjectionMatrix", shadowMatrix);
}
internal virtual void BindUniforms(Shader shader = null)
{
if (shader == null)
{
shader = this.gBufferShader;
}
foreach (var name in uniformsChanged)
{
shader.SetUniform(name, uniformsData[name]);
}
uniformsChanged.Clear();
}
