| public static GetProgramSource ( LightType lightType, string syntax, bool finite, bool debug ) : string | ||
| lightType | LightType | Type of light to get the source for. |
| syntax | string | Syntax code of interest. |
| finite | bool | Is this for finite volume extrusion? |
| debug | bool | Should the shadow volumes be visible? |
| Résultat | string | |
public static string GetProgramSource( LightType lightType, string syntax, bool finite, bool debug )
{
if ( lightType == LightType.Directional )
{
if ( syntax == "arbvp1" )
{
if ( finite )
{
if ( debug )
{
return dirArbvp1FiniteDebug;
}
else
{
return dirArbvp1Finite;
}
}
else
{
if ( debug )
{
return dirArbvp1Debug;
}
else
{
return dirArbvp1;
}
}
}
else
{
if ( finite )
{
if ( debug )
{
return dirVs_1_1FiniteDebug;
}
else
{
return dirVs_1_1Finite;
}
}
else
{
if ( debug )
{
return dirVs_1_1Debug;
}
else
{
return dirVs_1_1;
}
}
}
}
else
{
if ( syntax == "arbvp1" )
{
if ( finite )
{
if ( debug )
{
return pointArbvp1FiniteDebug;
}
else
{
return pointArbvp1Finite;
}
}
else
{
if ( debug )
{
return pointArbvp1Debug;
}
else
{
return pointArbvp1;
}
}
}
else
{
if ( finite )
{
if ( debug )
{
return pointVs_1_1FiniteDebug;
}
else
{
return pointVs_1_1Finite;
}
}
else
{
if ( debug )
{
return pointVs_1_1Debug;
}
else
{
return pointVs_1_1;
}
}
}
}
}
/// <summary>
/// Initialize the creation of these core vertex programs.
/// </summary>
public static void Initialize()
{
// only need to initialize once
if (!isInitialized)
{
string syntax = "";
// flags for which of the programs use finite extrusion
bool[] vertexProgramFinite =
new bool[] { false, false, false, false, true, true, true, true };
// flags for which of the programs use debug rendering
bool[] vertexProgramDebug =
new bool[] { false, true, false, true, false, true, false, true };
// types of lights that each of the programs target
LightType[] vertexProgramLightTypes =
new LightType[] {
LightType.Point, LightType.Point,
LightType.Directional, LightType.Directional,
LightType.Point, LightType.Point,
LightType.Directional, LightType.Directional
};
// load hardware extrusion programs for point & dir lights
if (GpuProgramManager.Instance.IsSyntaxSupported("arbvp1"))
{
syntax = "arbvp1";
}
else if (GpuProgramManager.Instance.IsSyntaxSupported("vs_1_1"))
{
syntax = "vs_1_1";
}
else
{
throw new AxiomException("Vertex programs are supposedly supported, but neither arbvp1 nor vs_1_1 syntaxes are supported.");
}
// create the programs
for (int i = 0; i < programNames.Length; i++)
{
// sanity check to make sure it doesn't already exist
if (GpuProgramManager.Instance.GetByName(programNames[i]) == null)
{
string source = ShadowVolumeExtrudeProgram.GetProgramSource(
vertexProgramLightTypes[i], syntax, vertexProgramFinite[i], vertexProgramDebug[i]);
// create the program from the static source
GpuProgram program =
GpuProgramManager.Instance.CreateProgramFromString(
programNames[i], source, GpuProgramType.Vertex, syntax);
// load the program
program.Load();
}
}
isInitialized = true;
}
}
