private static string BuildPreamble(CommonMaterialProgramSpec spec)
{
var preamble = "";
if (spec.SkinEnabled)
{
preamble += "#define SKIN_ENABLED\n";
}
if (spec.DiffuseTextureEnabled)
{
preamble += "#define DIFFUSE_TEXTURE_ENABLED\n";
}
if (spec.FogMode != FogMode.None)
{
preamble += "#define FOG_ENABLED\n";
if (spec.FogMode == FogMode.Linear)
{
preamble += "#define FOG_LINEAR\n";
}
else if (spec.FogMode == FogMode.Exp)
{
preamble += "#define FOG_EXP\n";
}
else if (spec.FogMode == FogMode.ExpSquared)
{
preamble += "#define FOG_EXP_SQUARED\n";
}
}
return(preamble);
}
private static Sampler[] GetSamplers(CommonMaterialProgramSpec spec)
{
return(new[] {
new Sampler {
Name = "u_DiffuseTexture", Stage = DiffuseTextureStage
}
});
}
private static Shader[] GetShaders(CommonMaterialProgramSpec spec)
{
var preamble = BuildPreamble(spec);
return(new Shader[] {
new VertexShader(preamble + VertexShader),
new FragmentShader(preamble + FragmentShader)
});
}
private static Sampler[] GetSamplers(CommonMaterialProgramSpec spec)
{
var samplers = new System.Collections.Generic.List <Sampler>(2);
samplers.Add(new Sampler {
Name = "u_DiffuseTexture", Stage = DiffuseTextureStage
});
if (spec.RecieveShadows)
{
samplers.Add(new Sampler {
Name = "u_ShadowMapTexture", Stage = ShadowMapTextureStage
});
}
return(samplers.ToArray());
}
private static string BuildPreamble(CommonMaterialProgramSpec spec)
{
var preamble = "";
if (spec.SkinEnabled)
{
preamble += "#define SKIN_ENABLED\n";
}
if (spec.DiffuseTextureEnabled)
{
preamble += "#define DIFFUSE_TEXTURE_ENABLED\n";
}
if (spec.FogMode != FogMode.None)
{
preamble += "#define FOG_ENABLED\n";
if (spec.FogMode == FogMode.Linear)
{
preamble += "#define FOG_LINEAR\n";
}
else if (spec.FogMode == FogMode.Exp)
{
preamble += "#define FOG_EXP\n";
}
else if (spec.FogMode == FogMode.ExpSquared)
{
preamble += "#define FOG_EXP_SQUARED\n";
}
}
if (spec.ProcessLightning)
{
preamble += "#define LIGHTNING_ENABLED\n";
}
if (spec.RecieveShadows)
{
preamble += "#define RECIEVE_SHADOWS\n";
preamble += "#define SHADOW_MAP_TEXEL_X " + (1f / (spec.ShadowMapSize.X <= 0 ? 1024 : spec.ShadowMapSize.X)) + "\n";
preamble += "#define SHADOW_MAP_TEXEL_Y " + (1f / (spec.ShadowMapSize.Y <= 0 ? 1024 : spec.ShadowMapSize.Y)) + "\n";
if (spec.SmoothShadows)
{
preamble += "#define SMOOTH_SHADOW\n";
preamble += "#define TEXTURE_PCF " + (spec.HighQualitySmoothShadows ? "texture2DPCF16" : "texture2DPCF4") + "\n";
}
}
return(preamble);
}
public CommonMaterialProgram(CommonMaterialProgramSpec spec)
: base(GetShaders(spec), GetAttribLocations(), GetSamplers(spec))
{
}
