/// <summary>
/// Renders multiple instances from array via indices with a per-element offset and an offset to all instanced vertex attributes.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to be rendered.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="instancecount">Number of instances to be rendered.</param>
/// <param name="basevertex">The per-element offset.</param>
/// <param name="baseinstance">Offset to all instanced vertex attributes.</param>
public static void DrawElementsInstancedBaseVertexBaseInstance(glDrawMode mode, int count, glDrawElementsType type, long offset, int instancecount, int basevertex, uint baseinstance)
{
if (IntPtr.Size == 4 && ((long)offset >> 32) != 0)
{
throw new ArgumentOutOfRangeException("offset", PlatformErrorString);
}
_DrawElementsInstancedBaseVertexBaseInstance(mode, count, type, (IntPtr)offset, instancecount, basevertex, baseinstance);
}
/// <summary>
/// Render primitives from array via a range of indices.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="start">Start of the range.</param>
/// <param name="end">End of the range.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
public static void DrawRangeElements(glDrawMode mode, uint start, uint end, int count, glDrawElementsType type, long offset)
{
if (IntPtr.Size == 4 && ((long)offset >> 32) != 0)
{
throw new ArgumentOutOfRangeException("offset", PlatformErrorString);
}
_DrawRangeElements(mode, start, end, count, type, (IntPtr)offset);
}
/// <summary>
/// Renders primitives from array via indices with a per-element offset.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="count">Numbers of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offsets">The offsets into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="drawcount">Number of draws (Length of <paramref name="count"/> and <paramref name="offsets"/>.</param>
/// <param name="basevertex">The per-element offset.</param>
public static void MultiDrawElementsBaseVertex(glDrawMode mode, int[] count, glDrawElementsType type, int[] offsets, int drawcount, int[] basevertex)
{
IntPtr[] iOffsets = new IntPtr[drawcount];
for (int i = 0; i < drawcount; i++)
{
iOffsets[i] = (IntPtr)offsets[i];
}
_MultiDrawElementsBaseVertex(mode, count, type, iOffsets, drawcount, basevertex);
}
/// <summary>
/// Renders primitives from array via indices with a per-element offset.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="count">Numbers of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offsets">The offsets into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="drawcount">Number of draws (Length of <paramref name="count"/> and <paramref name="offsets"/>.</param>
/// <param name="basevertex">The per-element offset.</param>
public static void MultiDrawElementsBaseVertex(glDrawMode mode, int[] count, glDrawElementsType type, long[] offsets, int drawcount, int[] basevertex)
{
IntPtr[] iOffsets = new IntPtr[drawcount];
for (int i = 0; i < drawcount; i++)
{
if (IntPtr.Size == 4 && ((long)offsets[i] >> 32) != 0)
{
throw new ArgumentOutOfRangeException("offsets", PlatformArrayErrorString);
}
iOffsets[i] = (IntPtr)offsets[i];
}
_MultiDrawElementsBaseVertex(mode, count, type, iOffsets, drawcount, basevertex);
}
/// <summary>
/// Render primitives from array via a range of indices.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="start">Start of the range.</param>
/// <param name="end">End of the range.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
public static void DrawRangeElements(glDrawMode mode, uint start, uint end, int count, glDrawElementsType type, int offset)
{
_DrawRangeElements(mode, start, end, count, type, (IntPtr)offset);
}
/// <summary>
/// Renders multiple instances from array via indices with a per-element offset and an offset to all instanced vertex attributes.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to be rendered.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="instancecount">Number of instances to be rendered.</param>
/// <param name="basevertex">The per-element offset.</param>
/// <param name="baseinstance">Offset to all instanced vertex attributes.</param>
public static void DrawElementsInstancedBaseVertexBaseInstance(glDrawMode mode, int count, glDrawElementsType type, int offset, int instancecount, int basevertex, uint baseinstance)
{
_DrawElementsInstancedBaseVertexBaseInstance(mode, count, type, (IntPtr)offset, instancecount, basevertex, baseinstance);
}
/// <summary>
/// Renders multiple instances from array via indices.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to be rendered.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="instancecount">Number of instances to be rendered.</param>
public static void DrawElementsInstanced(glDrawMode mode, int count, glDrawElementsType type, int offset, int instancecount)
{
_DrawElementsInstanced(mode, count, type, (IntPtr)offset, instancecount);
}
/// <summary>
/// Renders primitives from array via indices.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
public static void DrawElements(glDrawMode mode, int count, glDrawElementsType type, int offset)
{
DrawElements(mode, count, type, (IntPtr)offset);
}
static extern void DrawElements(glDrawMode mode, int count, glDrawElementsType type, IntPtr indices);
public static extern void DrawArrays(glDrawMode mode, int first, int count);
/// <summary>
/// Render primitives from array via a range of indices with a per-element offset.
/// </summary>
/// <param name="mode">A <see cref="glDrawMode"/> specifying the type of primitive to render.</param>
/// <param name="start">Start of the range.</param>
/// <param name="end">End of the range.</param>
/// <param name="count">Number of indices.</param>
/// <param name="type">A <see cref="glDrawElementsType"/> specifying the data type of the indices.</param>
/// <param name="offset">The offset into the array bound to <see cref="glBufferTarget.ELEMENT_ARRAY_BUFFER"/>.</param>
/// <param name="basevertex">The per-element offset.</param>
public static void DrawRangeElementsBaseVertex(glDrawMode mode, uint start, uint end, int count, glDrawElementsType type, int offset, int basevertex)
{
_DrawRangeElementsBaseVertex(mode, start, end, count, type, (IntPtr)offset, basevertex);
}