aboutsummaryrefslogtreecommitdiff
path: root/src/Ryujinx.Graphics.Gpu/Shader/ShaderSpecializationList.cs
blob: 7d61332e57f2cea3d4aa6e099848336a003d79d6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
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,
            ref GpuChannelPoolState poolState,
            ref GpuChannelGraphicsState graphicsState,
            out CachedShaderProgram program)
        {
            foreach (var entry in _entries)
            {
                bool usesDrawParameters = entry.Shaders[1]?.Info.UsesDrawParameters ?? false;

                if (entry.SpecializationState.MatchesGraphics(channel, ref poolState, ref graphicsState, usesDrawParameters, true))
                {
                    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="computeState">Compute 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, GpuChannelComputeState computeState, out CachedShaderProgram program)
        {
            foreach (var entry in _entries)
            {
                if (entry.SpecializationState.MatchesCompute(channel, ref poolState, computeState, true))
                {
                    program = entry;
                    return true;
                }
            }

            program = default;
            return false;
        }

        public IEnumerator<CachedShaderProgram> GetEnumerator()
        {
            return _entries.GetEnumerator();
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            return GetEnumerator();
        }
    }
}