public Smaa()
{
this.area_tex_unit = GLTextureUnit.Create().SetTexture(GLTexture.Create().SetFormat(TextureFormat.RG).SetSize(AREATEX_WIDTH, AREATEX_HEIGHT).SetData(SMAA_AREA_RAW)).SetWrap(GLWrap.ClampToEdge).SetFiltering(GLScaleFilter.Linear);
this.search_tex_unit = GLTextureUnit.Create().SetTexture(GLTexture.Create().SetFormat(TextureFormat.R).SetSize(SEARCHTEX_WIDTH, SEARCHTEX_HEIGHT).SetData(SMAA_SEARCH_RAW)).SetWrap(GLWrap.ClampToEdge).SetFiltering(GLScaleFilter.Nearest);
CommonHeader = @"
#version 410 compatibility
#define SMAA_PIXEL_SIZE u_pixelSize.xy
#define SMAA_PRESET_ULTRA 1
#define SMAA_GLSL_4 1
//#define SMAA_PREDICATION 0
#define SMAA_PREDICATION 1
#define attribute in
";
VertexHeader = CommonHeader + "\n" + "#define SMAA_ONLY_COMPILE_VS 1" + "\n" + @"
uniform vec4 u_pixelSize;
attribute vec4 a_position;
attribute vec4 a_texcoords;
" + SMAA_H + "\n";
FragmentHeader = CommonHeader + "\n" + "#define SMAA_ONLY_COMPILE_PS 1" + "\n" + @"
uniform vec4 u_pixelSize;
" + "\n" + SMAA_H;
}
public void Set(GLTextureUnit glTextureUnit)
{
if (!CheckValid())
{
return;
}
glTextureUnit.MakeCurrent();
if (ValueType != GLValueType.GL_SAMPLER_2D)
{
throw(new Exception($"Trying to bind a TextureUnit to something not a Sampler2D : {ValueType}"));
}
Set(glTextureUnit.Index);
}
