ryujinx/Ryujinx.Graphics.Gpu/Shader/ShaderSpecializationList.cs
riperiperi 43b4b34376
Implement Viewport Transform Disable (#3328)
* Initial implementation (no specialization)

* Use specialization

* Fix render scale, increase code gen version

* Revert accidental change

* Address Feedback
2022-05-12 10:47:13 -03:00

81 lines
2.7 KiB
C#

using System.Collections;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Gpu.Shader
{
/// <summary>
/// List of cached shader programs that differs only by specialization state.
/// </summary>
class ShaderSpecializationList : IEnumerable<CachedShaderProgram>
{
private readonly List<CachedShaderProgram> _entries = new List<CachedShaderProgram>();
/// <summary>
/// Adds a program to the list.
/// </summary>
/// <param name="program">Program to be added</param>
public void Add(CachedShaderProgram program)
{
_entries.Add(program);
}
/// <summary>
/// Tries to find an existing 3D program on the cache.
/// </summary>
/// <param name="channel">GPU channel</param>
/// <param name="poolState">Texture pool state</param>
/// <param name="graphicsState">Graphics state</param>
/// <param name="program">Cached program, if found</param>
/// <returns>True if a compatible program is found, false otherwise</returns>
public bool TryFindForGraphics(
GpuChannel channel,
GpuChannelPoolState poolState,
GpuChannelGraphicsState graphicsState,
out CachedShaderProgram program)
{
foreach (var entry in _entries)
{
if (entry.SpecializationState.MatchesGraphics(channel, poolState, graphicsState))
{
program = entry;
return true;
}
}
program = default;
return false;
}
/// <summary>
/// Tries to find an existing compute program on the cache.
/// </summary>
/// <param name="channel">GPU channel</param>
/// <param name="poolState">Texture pool state</param>
/// <param name="program">Cached program, if found</param>
/// <returns>True if a compatible program is found, false otherwise</returns>
public bool TryFindForCompute(GpuChannel channel, GpuChannelPoolState poolState, out CachedShaderProgram program)
{
foreach (var entry in _entries)
{
if (entry.SpecializationState.MatchesCompute(channel, poolState))
{
program = entry;
return true;
}
}
program = default;
return false;
}
public IEnumerator<CachedShaderProgram> GetEnumerator()
{
return _entries.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}