mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-24 00:05:45 +00:00
135 lines
3.8 KiB
C#
135 lines
3.8 KiB
C#
using OpenTK.Graphics.OpenGL;
|
|
using Ryujinx.Graphics.GAL.InputAssembler;
|
|
using Ryujinx.Graphics.OpenGL.Formats;
|
|
using System;
|
|
|
|
namespace Ryujinx.Graphics.OpenGL
|
|
{
|
|
class VertexArray : IDisposable
|
|
{
|
|
public int Handle { get; }
|
|
|
|
private bool _needsAttribsUpdate;
|
|
|
|
private VertexBufferDescriptor[] _vertexBuffers;
|
|
private VertexAttribDescriptor[] _vertexAttribs;
|
|
|
|
public VertexArray()
|
|
{
|
|
Handle = GL.GenVertexArray();
|
|
}
|
|
|
|
public void Bind()
|
|
{
|
|
GL.BindVertexArray(Handle);
|
|
}
|
|
|
|
public void SetVertexBuffers(VertexBufferDescriptor[] vertexBuffers)
|
|
{
|
|
int bindingIndex = 0;
|
|
|
|
foreach (VertexBufferDescriptor vb in vertexBuffers)
|
|
{
|
|
if (vb.Buffer.Buffer != null)
|
|
{
|
|
int bufferHandle = ((Buffer)vb.Buffer.Buffer).Handle;
|
|
|
|
GL.BindVertexBuffer(bindingIndex, bufferHandle, (IntPtr)vb.Buffer.Offset, vb.Stride);
|
|
|
|
GL.VertexBindingDivisor(bindingIndex, vb.Divisor);
|
|
}
|
|
else
|
|
{
|
|
GL.BindVertexBuffer(bindingIndex, 0, IntPtr.Zero, 0);
|
|
}
|
|
|
|
bindingIndex++;
|
|
}
|
|
|
|
_vertexBuffers = vertexBuffers;
|
|
|
|
_needsAttribsUpdate = true;
|
|
}
|
|
|
|
public void SetVertexAttributes(VertexAttribDescriptor[] vertexAttribs)
|
|
{
|
|
int attribIndex = 0;
|
|
|
|
foreach (VertexAttribDescriptor attrib in vertexAttribs)
|
|
{
|
|
FormatInfo fmtInfo = FormatTable.GetFormatInfo(attrib.Format);
|
|
|
|
GL.EnableVertexAttribArray(attribIndex);
|
|
|
|
int offset = attrib.Offset;
|
|
int size = fmtInfo.Components;
|
|
|
|
bool isFloat = fmtInfo.PixelType == PixelType.Float ||
|
|
fmtInfo.PixelType == PixelType.HalfFloat;
|
|
|
|
if (isFloat || fmtInfo.Normalized || fmtInfo.Scaled)
|
|
{
|
|
VertexAttribType type = (VertexAttribType)fmtInfo.PixelType;
|
|
|
|
GL.VertexAttribFormat(attribIndex, size, type, fmtInfo.Normalized, offset);
|
|
}
|
|
else
|
|
{
|
|
VertexAttribIntegerType type = (VertexAttribIntegerType)fmtInfo.PixelType;
|
|
|
|
GL.VertexAttribIFormat(attribIndex, size, type, offset);
|
|
}
|
|
|
|
GL.VertexAttribBinding(attribIndex, attrib.BufferIndex);
|
|
|
|
attribIndex++;
|
|
}
|
|
|
|
for (; attribIndex < 16; attribIndex++)
|
|
{
|
|
GL.DisableVertexAttribArray(attribIndex);
|
|
}
|
|
|
|
_vertexAttribs = vertexAttribs;
|
|
}
|
|
|
|
public void SetIndexBuffer(Buffer indexBuffer)
|
|
{
|
|
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffer?.Handle ?? 0);
|
|
}
|
|
|
|
public void Validate()
|
|
{
|
|
for (int attribIndex = 0; attribIndex < _vertexAttribs.Length; attribIndex++)
|
|
{
|
|
VertexAttribDescriptor attrib = _vertexAttribs[attribIndex];
|
|
|
|
if ((uint)attrib.BufferIndex >= _vertexBuffers.Length)
|
|
{
|
|
GL.DisableVertexAttribArray(attribIndex);
|
|
|
|
continue;
|
|
}
|
|
|
|
if (_vertexBuffers[attrib.BufferIndex].Buffer.Buffer == null)
|
|
{
|
|
GL.DisableVertexAttribArray(attribIndex);
|
|
|
|
continue;
|
|
}
|
|
|
|
if (_needsAttribsUpdate)
|
|
{
|
|
GL.EnableVertexAttribArray(attribIndex);
|
|
}
|
|
}
|
|
|
|
_needsAttribsUpdate = false;
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
GL.DeleteVertexArray(Handle);
|
|
}
|
|
}
|
|
}
|