public void Bind(GpuProgramParameters gpuParams)
{
if (gpuParams != null)
{
Axiom.Graphics.GpuProgramParameters.GpuConstantDefinition def =
gpuParams.FindNamedConstantDefinition(_name);
if (def != null)
{
this._params = gpuParams;
this.physicalIndex = def.PhysicalIndex;
}
}
}
protected void CompleteDefInfo(GLenum glType, Axiom.Graphics.GpuProgramParameters.GpuConstantDefinition defToUpdate)
{
//Decode unifrom size and type
//Note GLSL ES never packs rows into float4's (from an API perspective anyway)
//therefore all values are tight in the buffer
switch (glType)
{
case GLenum.Float:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Float1;
break;
case GLenum.FloatVec2:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Float2;
break;
case GLenum.FloatVec3:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Float3;
break;
case GLenum.FloatVec4:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Float4;
break;
case GLenum.Sampler2D:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Sampler2D;
break;
case GLenum.SamplerCube:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.SamplerCube;
break;
case GLenum.Int:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Int1;
break;
case GLenum.IntVec2:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Int2;
break;
case GLenum.IntVec3:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Int3;
break;
case GLenum.IntVec4:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Int4;
break;
case GLenum.FloatMat2:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Matrix_2X2;
break;
case GLenum.FloatMat3:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Matrix_3X3;
break;
case GLenum.FloatMat4:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Unknown;
break;
default:
defToUpdate.ConstantType = GpuProgramParameters.GpuConstantType.Unknown;
break;
}
//GL doesn't pad
defToUpdate.ElementSize = Axiom.Graphics.GpuProgramParameters.GpuConstantDefinition.GetElementSize(defToUpdate.ConstantType, false);
}
