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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Engine.Threed;
using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Shader;
using Ryujinx.Graphics.Shader.Translation;
namespace Ryujinx.Graphics.Gpu.Shader
{
/// <summary>
/// GPU accessor.
/// </summary>
class GpuAccessorBase
{
private readonly GpuContext _context;
private readonly ResourceCounts _resourceCounts;
private readonly int _stageIndex;
/// <summary>
/// Creates a new GPU accessor.
/// </summary>
/// <param name="context">GPU context</param>
public GpuAccessorBase(GpuContext context, ResourceCounts resourceCounts, int stageIndex)
{
_context = context;
_resourceCounts = resourceCounts;
_stageIndex = stageIndex;
}
public int QueryBindingConstantBuffer(int index)
{
if (_context.Capabilities.Api == TargetApi.Vulkan)
{
// We need to start counting from 1 since binding 0 is reserved for the support uniform buffer.
return GetBindingFromIndex(index, _context.Capabilities.MaximumUniformBuffersPerStage, "Uniform buffer") + 1;
}
else
{
return _resourceCounts.UniformBuffersCount++;
}
}
public int QueryBindingStorageBuffer(int index)
{
if (_context.Capabilities.Api == TargetApi.Vulkan)
{
return GetBindingFromIndex(index, _context.Capabilities.MaximumStorageBuffersPerStage, "Storage buffer");
}
else
{
return _resourceCounts.StorageBuffersCount++;
}
}
public int QueryBindingTexture(int index, bool isBuffer)
{
if (_context.Capabilities.Api == TargetApi.Vulkan)
{
if (isBuffer)
{
index += (int)_context.Capabilities.MaximumTexturesPerStage;
}
return GetBindingFromIndex(index, _context.Capabilities.MaximumTexturesPerStage * 2, "Texture");
}
else
{
return _resourceCounts.TexturesCount++;
}
}
public int QueryBindingImage(int index, bool isBuffer)
{
if (_context.Capabilities.Api == TargetApi.Vulkan)
{
if (isBuffer)
{
index += (int)_context.Capabilities.MaximumImagesPerStage;
}
return GetBindingFromIndex(index, _context.Capabilities.MaximumImagesPerStage * 2, "Image");
}
else
{
return _resourceCounts.ImagesCount++;
}
}
private int GetBindingFromIndex(int index, uint maxPerStage, string resourceName)
{
if ((uint)index >= maxPerStage)
{
Logger.Error?.Print(LogClass.Gpu, $"{resourceName} index {index} exceeds per stage limit of {maxPerStage}.");
}
return GetStageIndex() * (int)maxPerStage + index;
}
private int GetStageIndex()
{
// This is just a simple remapping to ensure that most frequently used shader stages
// have the lowest binding numbers.
// This is useful because if we need to run on a system with a low limit on the bindings,
// then we can still get most games working as the most common shaders will have low binding numbers.
return _stageIndex switch
{
4 => 1, // Fragment
3 => 2, // Geometry
1 => 3, // Tessellation control
2 => 4, // Tessellation evaluation
_ => 0 // Vertex/Compute
};
}
public int QueryHostGatherBiasPrecision() => _context.Capabilities.GatherBiasPrecision;
public bool QueryHostReducedPrecision() => _context.Capabilities.ReduceShaderPrecision;
public bool QueryHostHasFrontFacingBug() => _context.Capabilities.HasFrontFacingBug;
public bool QueryHostHasVectorIndexingBug() => _context.Capabilities.HasVectorIndexingBug;
public int QueryHostStorageBufferOffsetAlignment() => _context.Capabilities.StorageBufferOffsetAlignment;
public bool QueryHostSupportsBgraFormat() => _context.Capabilities.SupportsBgraFormat;
public bool QueryHostSupportsFragmentShaderInterlock() => _context.Capabilities.SupportsFragmentShaderInterlock;
public bool QueryHostSupportsFragmentShaderOrderingIntel() => _context.Capabilities.SupportsFragmentShaderOrderingIntel;
public bool QueryHostSupportsGeometryShader() => _context.Capabilities.SupportsGeometryShader;
public bool QueryHostSupportsGeometryShaderPassthrough() => _context.Capabilities.SupportsGeometryShaderPassthrough;
public bool QueryHostSupportsImageLoadFormatted() => _context.Capabilities.SupportsImageLoadFormatted;
public bool QueryHostSupportsLayerVertexTessellation() => _context.Capabilities.SupportsLayerVertexTessellation;
public bool QueryHostSupportsNonConstantTextureOffset() => _context.Capabilities.SupportsNonConstantTextureOffset;
public bool QueryHostSupportsShaderBallot() => _context.Capabilities.SupportsShaderBallot;
public bool QueryHostSupportsSnormBufferTextureFormat() => _context.Capabilities.SupportsSnormBufferTextureFormat;
public bool QueryHostSupportsTextureShadowLod() => _context.Capabilities.SupportsTextureShadowLod;
public bool QueryHostSupportsViewportIndexVertexTessellation() => _context.Capabilities.SupportsViewportIndexVertexTessellation;
public bool QueryHostSupportsViewportMask() => _context.Capabilities.SupportsViewportMask;
/// <summary>
/// Converts a packed Maxwell texture format to the shader translator texture format.
/// </summary>
/// <param name="format">Packed maxwell format</param>
/// <param name="formatSrgb">Indicates if the format is sRGB</param>
/// <returns>Shader translator texture format</returns>
protected static TextureFormat ConvertToTextureFormat(uint format, bool formatSrgb)
{
if (!FormatTable.TryGetTextureFormat(format, formatSrgb, out FormatInfo formatInfo))
{
return TextureFormat.Unknown;
}
return formatInfo.Format switch
{
Format.R8Unorm => TextureFormat.R8Unorm,
Format.R8Snorm => TextureFormat.R8Snorm,
Format.R8Uint => TextureFormat.R8Uint,
Format.R8Sint => TextureFormat.R8Sint,
Format.R16Float => TextureFormat.R16Float,
Format.R16Unorm => TextureFormat.R16Unorm,
Format.R16Snorm => TextureFormat.R16Snorm,
Format.R16Uint => TextureFormat.R16Uint,
Format.R16Sint => TextureFormat.R16Sint,
Format.R32Float => TextureFormat.R32Float,
Format.R32Uint => TextureFormat.R32Uint,
Format.R32Sint => TextureFormat.R32Sint,
Format.R8G8Unorm => TextureFormat.R8G8Unorm,
Format.R8G8Snorm => TextureFormat.R8G8Snorm,
Format.R8G8Uint => TextureFormat.R8G8Uint,
Format.R8G8Sint => TextureFormat.R8G8Sint,
Format.R16G16Float => TextureFormat.R16G16Float,
Format.R16G16Unorm => TextureFormat.R16G16Unorm,
Format.R16G16Snorm => TextureFormat.R16G16Snorm,
Format.R16G16Uint => TextureFormat.R16G16Uint,
Format.R16G16Sint => TextureFormat.R16G16Sint,
Format.R32G32Float => TextureFormat.R32G32Float,
Format.R32G32Uint => TextureFormat.R32G32Uint,
Format.R32G32Sint => TextureFormat.R32G32Sint,
Format.R8G8B8A8Unorm => TextureFormat.R8G8B8A8Unorm,
Format.R8G8B8A8Snorm => TextureFormat.R8G8B8A8Snorm,
Format.R8G8B8A8Uint => TextureFormat.R8G8B8A8Uint,
Format.R8G8B8A8Sint => TextureFormat.R8G8B8A8Sint,
Format.R8G8B8A8Srgb => TextureFormat.R8G8B8A8Unorm,
Format.R16G16B16A16Float => TextureFormat.R16G16B16A16Float,
Format.R16G16B16A16Unorm => TextureFormat.R16G16B16A16Unorm,
Format.R16G16B16A16Snorm => TextureFormat.R16G16B16A16Snorm,
Format.R16G16B16A16Uint => TextureFormat.R16G16B16A16Uint,
Format.R16G16B16A16Sint => TextureFormat.R16G16B16A16Sint,
Format.R32G32B32A32Float => TextureFormat.R32G32B32A32Float,
Format.R32G32B32A32Uint => TextureFormat.R32G32B32A32Uint,
Format.R32G32B32A32Sint => TextureFormat.R32G32B32A32Sint,
Format.R10G10B10A2Unorm => TextureFormat.R10G10B10A2Unorm,
Format.R10G10B10A2Uint => TextureFormat.R10G10B10A2Uint,
Format.R11G11B10Float => TextureFormat.R11G11B10Float,
_ => TextureFormat.Unknown
};
}
/// <summary>
/// Converts the Maxwell primitive topology to the shader translator topology.
/// </summary>
/// <param name="topology">Maxwell primitive topology</param>
/// <param name="tessellationMode">Maxwell tessellation mode</param>
/// <returns>Shader translator topology</returns>
protected static InputTopology ConvertToInputTopology(PrimitiveTopology topology, TessMode tessellationMode)
{
return topology switch
{
PrimitiveTopology.Points => InputTopology.Points,
PrimitiveTopology.Lines or
PrimitiveTopology.LineLoop or
PrimitiveTopology.LineStrip => InputTopology.Lines,
PrimitiveTopology.LinesAdjacency or
PrimitiveTopology.LineStripAdjacency => InputTopology.LinesAdjacency,
PrimitiveTopology.Triangles or
PrimitiveTopology.TriangleStrip or
PrimitiveTopology.TriangleFan => InputTopology.Triangles,
PrimitiveTopology.TrianglesAdjacency or
PrimitiveTopology.TriangleStripAdjacency => InputTopology.TrianglesAdjacency,
PrimitiveTopology.Patches => tessellationMode.UnpackPatchType() == TessPatchType.Isolines
? InputTopology.Lines
: InputTopology.Triangles,
_ => InputTopology.Points
};
}
}
}
|
