public PhysicalShader(string name = "Physical") : base(name)
{
VertexCode = Resources.Physical_vert;
FragmentCode = Resources.Physical_frag;
FragmentCode = FragmentCode.Replace("replace(POINT_LIGHT_NUM)", "#define POINT_LIGHT_NUM " + PointLightNum);
FragmentCode = FragmentCode.Replace("replace(SPOT_LIGHT_NUM)", "#define SPOT_LIGHT_NUM " + SpotLightNum);
RegistShaderParam <int>("skinning");
RegistShaderParam <int>("morphing");
RegistShaderParam <Matrix4>("M", "Model");
RegistShaderParam <Matrix4>("MIT", "ModelInverseTranspose");
RegistShaderParam <Matrix4>("MVP", "ModelViewProjection");
RegistShaderParam <Matrix4>("shadowMV1", "ShadowModelView1");
RegistShaderParam <Matrix4>("shadowMV2", "ShadowModelView2");
RegistShaderParam <Matrix4>("shadowMV3", "ShadowModelView3");
RegistShaderParam <Color4>("albedo", "Albedo");
RegistShaderParam <Color4>("emissive", "Emissive");
RegistShaderParam <float>("metallic", "Metallic");
RegistShaderParam <float>("roughness", "Roughness");
RegistShaderParam <Color4>("f0", "F0");
RegistShaderParam <Vector3>("wCamDir", "WorldCameraDir");
RegistShaderParam <Vector3>("wCamPos", "WorldCameraPosition");
RegistShaderParam <Vector2>("resolutionInverse", "ResolutionInverse");
RegistShaderParam <Vector3>("wDirLight.dir", "DirectionalLightDir");
RegistShaderParam <Color4>("wDirLight.color", "DirectionalLightColor");
RegistShaderParam <float>("wDirLight.intensity", "DirectionalLightIntensity");
RegistShaderParam <float>("wDirLight.radius", "DirectionalLightRadius");
RegistShaderParam <Vector3>("wDirLight.pos", "DirectionalLightPosition");
for (var i = 0; i < PointLightNum; i++)
{
RegistShaderParam <Color4>(string.Format("wPointLight[{0}].color", i));
RegistShaderParam <float>(string.Format("wPointLight[{0}].intensity", i));
RegistShaderParam <float>(string.Format("wPointLight[{0}].radius", i));
RegistShaderParam <Vector3>(string.Format("wPointLight[{0}].pos", i));
RegistShaderParam <Vector3>(string.Format("wPointLight[{0}].min", i));
RegistShaderParam <Vector3>(string.Format("wPointLight[{0}].max", i));
}
for (var i = 0; i < SpotLightNum; i++)
{
RegistShaderParam <Vector3>(string.Format("wSpotLight[{0}].dir", i));
RegistShaderParam <Color4>(string.Format("wSpotLight[{0}].color", i));
RegistShaderParam <float>(string.Format("wSpotLight[{0}].intensity", i));
RegistShaderParam <float>(string.Format("wSpotLight[{0}].radius", i));
RegistShaderParam <Vector3>(string.Format("wSpotLight[{0}].pos", i));
RegistShaderParam <Vector3>(string.Format("wSpotLight[{0}].min", i));
RegistShaderParam <Vector3>(string.Format("wSpotLight[{0}].max", i));
RegistShaderParam <float>(string.Format("wSpotLight[{0}].innerAngle", i));
RegistShaderParam <float>(string.Format("wSpotLight[{0}].outerAngle", i));
}
RegistShaderParam <Color4>("gAmbient", "GlobalAmbient");
RegistShaderParam <float>("iblIntensity", "IBLIntensity");
RegistShaderParam("albedoMap", "AlbedoMap", TextureUnit.Texture0);
RegistShaderParam("normalMap", "NormalMap", TextureUnit.Texture1);
RegistShaderParam("environmentMap", "EnvironmentMap", TextureUnit.Texture2);
RegistShaderParam("shadowMap1", "ShadowMap1", TextureUnit.Texture3);
RegistShaderParam("shadowMap2", "ShadowMap2", TextureUnit.Texture4);
RegistShaderParam("shadowMap3", "ShadowMap3", TextureUnit.Texture5);
whiteMap = MMW.GetAsset <Texture2D>("WhiteMap");
defaultNormalMap = MMW.GetAsset <Texture2D>("DefaultNormalMap");
environmentMap = MMW.GetAsset <TextureCube>("DefaultSkyBox");
}
override public Result Load()
{
Unload();
string add = "";
if (MMW.Configuration.IBLQuality == MMWConfiguration.IBLQualityType.VeryHigh)
{
add += "#define IBL_DIFF_SAMPLE_NUM 128\n";
add += "#define IBL_SPEC_SAMPLE_NUM 64\n";
}
else if (MMW.Configuration.IBLQuality == MMWConfiguration.IBLQualityType.High)
{
add += "#define IBL_DIFF_SAMPLE_NUM 48\n";
add += "#define IBL_SPEC_SAMPLE_NUM 24\n";
}
else if (MMW.Configuration.IBLQuality == MMWConfiguration.IBLQualityType.Default)
{
add += "#define IBL_DIFF_SAMPLE_NUM 24\n";
add += "#define IBL_SPEC_SAMPLE_NUM 12\n";
}
else if (MMW.Configuration.IBLQuality == MMWConfiguration.IBLQualityType.Low)
{
add += "#define IBL_DIFF_SAMPLE_NUM 12\n";
add += "#define IBL_SPEC_SAMPLE_NUM 8\n";
}
if (VertexCode != null)
{
VertexCode = VertexCode.Replace("require(functions)", add + Resources.Functions);
}
if (FragmentCode != null)
{
FragmentCode = FragmentCode.Replace("require(functions)", add + Resources.Functions);
}
List <ShaderLoadData> shaders = new List <ShaderLoadData>();
if (!string.IsNullOrEmpty(VertexCode))
{
shaders.Add(new ShaderLoadData(ShaderType.VertexShader, VertexCode));
}
if (!string.IsNullOrEmpty(FragmentCode))
{
shaders.Add(new ShaderLoadData(ShaderType.FragmentShader, FragmentCode));
}
if (!string.IsNullOrEmpty(GeometryCode))
{
shaders.Add(new ShaderLoadData(ShaderType.GeometryShader, GeometryCode));
}
if (!string.IsNullOrEmpty(TesseControlCode))
{
shaders.Add(new ShaderLoadData(ShaderType.TessControlShader, TesseControlCode));
}
if (!string.IsNullOrEmpty(TessEvaluationCode))
{
shaders.Add(new ShaderLoadData(ShaderType.TessEvaluationShader, TessEvaluationCode));
}
if (!string.IsNullOrEmpty(ComputeCode))
{
shaders.Add(new ShaderLoadData(ShaderType.ComputeShader, ComputeCode));
}
foreach (var data in shaders)
{
data.shader = LoadShader(data.type, data.code);
if (data.shader == -1)
{
Debug.WriteLine(Name + ": " + CompileErrorMessage);
//Console.WriteLine(CompileErrorMessage);
return(Result.CompileError);
}
}
program = GL.CreateProgram();
foreach (var data in shaders)
{
GL.AttachShader(program, data.shader);
GL.DeleteShader(data.shader);
}
int status;
GL.LinkProgram(program);
GL.GetProgram(program, GetProgramParameterName.LinkStatus, out status);
if (status == 0)
{
CompileErrorMessage = GL.GetProgramInfoLog(program);
Debug.WriteLine(CompileErrorMessage);
GL.DeleteProgram(program);
program = -1;
return(Result.CompileError);
}
foreach (var p in shaderParams)
{
p.Value.location = GetUniformLocation(p.Value.name);
}
Loaded = true;
return(Result.Success);
}