public GLTexture Process(GLTexture Input)
{
Filter.SetSize(Input.Width * 2, Input.Height * 2);
return(Filter.Process((_Shader) =>
{
_Shader.GetUniform("OGL2Texture").Set(GLTextureUnit.CreateAtIndex(0).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Nearest).SetTexture(Input));
}));
}
private GLTexture edge_pass(GLTexture albedo_tex, GLTexture depthTex)
{
if (edge_shader == null)
{
edge_shader = GLShaderFilter.Create(Width, Height, new GLShader(
VertexHeader + @"
out vec2 texcoord;
out vec4 offset[3];
out vec4 dummy2;
void main()
{
texcoord = a_texcoords.xy;
vec4 dummy1 = vec4(0);
SMAAEdgeDetectionVS(dummy1, dummy2, texcoord, offset);
gl_Position = a_position;
}
" ,
FragmentHeader + @"
uniform sampler2D albedo_tex;
uniform sampler2D depthTex;
in vec2 texcoord;
in vec4 offset[3];
in vec4 dummy2;
void main()
{
#if SMAA_PREDICATION == 1
gl_FragColor = SMAAColorEdgeDetectionPS(texcoord, offset, albedo_tex, depthTex);
#else
gl_FragColor = SMAAColorEdgeDetectionPS(texcoord, offset, albedo_tex);
#endif
}
"
));
}
return(edge_shader.Process((Shader) =>
{
Shader.GetUniform("albedo_tex").Set(GLTextureUnit.CreateAtIndex(0).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Linear).SetTexture(albedo_tex));
Shader.GetUniform("depthTex").NoWarning().Set(GLTextureUnit.CreateAtIndex(1).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Linear).SetTexture(depthTex));
}));
}
private GLTexture pass_blend(GLTexture edge_tex)
{
if (blend_shader == null)
{
blend_shader = GLShaderFilter.Create(Width, Height, new GLShader(
VertexHeader + @"
out vec2 texcoord;
out vec2 pixcoord;
out vec4 offset[3];
out vec4 dummy2;
void main()
{
texcoord = a_texcoords.xy;
vec4 dummy1 = vec4(0);
SMAABlendingWeightCalculationVS(dummy1, dummy2, texcoord, pixcoord, offset);
gl_Position = a_position;
}
" ,
FragmentHeader + @"
uniform sampler2D edge_tex;
uniform sampler2D area_tex;
uniform sampler2D search_tex;
in vec2 texcoord;
in vec2 pixcoord;
in vec4 offset[3];
in vec4 dummy2;
void main()
{
gl_FragColor = SMAABlendingWeightCalculationPS(texcoord, pixcoord, offset, edge_tex, area_tex, search_tex, ivec4(1, 1, 1, 0));
//gl_FragColor = SMAABlendingWeightCalculationPS(texcoord, pixcoord, offset, edge_tex, area_tex, search_tex, ivec4(0));
}
"
));
}
return(blend_shader.Process((Shader) =>
{
Shader.GetUniform("edge_tex").Set(GLTextureUnit.CreateAtIndex(0).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Linear).SetTexture(edge_tex));
Shader.GetUniform("area_tex").Set(area_tex_unit.SetIndex(1));
Shader.GetUniform("search_tex").Set(search_tex_unit.SetIndex(2));
}));
}
private GLTexture pass_neighborhood(GLTexture albedo_tex, GLTexture blend_tex)
{
if (neighborhood_shader == null)
{
neighborhood_shader = GLShaderFilter.Create(Width, Height, new GLShader(
VertexHeader + @"
out vec2 texcoord;
out vec4 offset[2];
out vec4 dummy2;
void main()
{
texcoord = a_texcoords.xy;
vec4 dummy1 = vec4(0);
SMAANeighborhoodBlendingVS(dummy1, dummy2, texcoord, offset);
gl_Position = a_position;
}
" ,
FragmentHeader + @"
uniform sampler2D albedo_tex;
uniform sampler2D blend_tex;
in vec2 texcoord;
in vec4 offset[2];
in vec4 dummy2;
void main()
{
gl_FragColor = SMAANeighborhoodBlendingPS(texcoord, offset, albedo_tex, blend_tex);
}
"
));
}
return(neighborhood_shader.Process((Shader) =>
{
Shader.GetUniform("albedo_tex").Set(GLTextureUnit.CreateAtIndex(0).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Linear).SetTexture(albedo_tex));
Shader.GetUniform("blend_tex").Set(GLTextureUnit.CreateAtIndex(1).SetWrap(GLWrap.ClampToEdge)
.SetFiltering(GLScaleFilter.Linear).SetTexture(blend_tex));
}));
}