private void SetVertexAttrF(uint indexInVao, int indexInVertexSet, VertexAttributeDimension attrDimension, VertexAttribPointerType attrType)
{
var elemInfo = vertexSet.ElementInfos[indexInVertexSet];
var arraySubrange = vertexSet.ArraySubranges[elemInfo.ArrayIndex];
var rawDataRes = arraySubrange.RawDataResource;
var arrayCache = rawDataRes.CacheContainer.GetOrAddCache(Tuples.Pair(infra, rawDataRes), x => new RawDataResCache(x.First, x.Second));
var glBuffer = arrayCache.GetGlVertexBuffer();
glVertexArray.SetVertexAttributeF(indexInVao, glBuffer, attrDimension, attrType, false, elemInfo.Stride, arraySubrange.StartOffset + elemInfo.Offset);
}
public void SetVertexAttributeF(uint index, IBuffer buffer, VertexAttributeDimension dimension, VertexAttribPointerType type, bool normalized, int stride, int offset, uint divisor = 0)
{
var newDesc = new VertexAttributeDescription
{
IsEnabled = true,
SetFunction = All.Float,
Dimension = dimension,
Type = (int)type,
IsNormalized = normalized,
Stride = stride,
Offset = offset,
Divisor = divisor,
Buffer = buffer
};
if (VertexAttributeDescription.Equals(ref vertexAttributes[index], ref newDesc))
{
return;
}
context.Bindings.VertexArray.Set(this);
if (!vertexAttributes[index].IsEnabled)
{
GL.EnableVertexAttribArray(index);
}
context.Bindings.Buffers.Array.Set(buffer);
GL.VertexAttribPointer(index, (int)dimension, (int)type, normalized, stride, (IntPtr)offset);
if (vertexAttributes[index].Divisor != divisor)
{
GL.VertexAttribDivisor(index, divisor);
}
vertexAttributes[index] = newDesc;
if (index >= enabledVertexAttributesRange)
{
enabledVertexAttributesRange = index + 1;
}
}
internal static void VertexElementFormat(ExplicitFormat bFormat, out int vertexAttribPointerType,
out VertexAttributeDimension dimension, out WVertexLayoutElementType type, out bool normalized)
{
switch (bFormat)
{
case ExplicitFormat.R32G32B32A32_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.Float;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R32G32B32A32_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedInt;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32G32B32A32_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Int;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32G32B32_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.Float;
dimension = VertexAttributeDimension.Three;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R32G32B32_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedInt;
dimension = VertexAttributeDimension.Three;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32G32B32_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Int;
dimension = VertexAttributeDimension.Three;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16G16B16A16_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.HalfFloat;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R16G16B16A16_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedShort;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16G16B16A16_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedShort;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16G16B16A16_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Short;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16G16B16A16_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Short;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32G32_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.Float;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R32G32_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedInt;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32G32_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Int;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R10G10B10A2_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedInt2101010Rev;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8G8B8A8_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedByte;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8G8B8A8_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedByte;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R8G8B8A8_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Byte;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8G8B8A8_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Byte;
dimension = VertexAttributeDimension.Four;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16G16_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.HalfFloat;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R16G16_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedShort;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16G16_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedShort;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16G16_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Short;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16G16_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Short;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.Float;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R32_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedInt;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R32_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Int;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R8G8_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedByte;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8G8_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedByte;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R8G8_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Byte;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8G8_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Byte;
dimension = VertexAttributeDimension.Two;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16_FLOAT:
vertexAttribPointerType = (int)VertexAttribPointerType.HalfFloat;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = false;
break;
case ExplicitFormat.R16_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedShort;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedShort;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R16_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Short;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R16_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Short;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R8_UNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.UnsignedByte;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8_UINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.UnsignedByte;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
case ExplicitFormat.R8_SNORM:
vertexAttribPointerType = (int)VertexAttribPointerType.Byte;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.F;
normalized = true;
break;
case ExplicitFormat.R8_SINT:
vertexAttribPointerType = (int)VertexAttribIPointerType.Byte;
dimension = VertexAttributeDimension.One;
type = WVertexLayoutElementType.I;
normalized = false;
break;
default:
throw new NotSupportedException(string.Format("'{0}' format is not supported as vertex format", bFormat));
}
}