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Fix constant buffer array size when indexing is used and other buffer descriptor and resolution scale regressions (#2298)
* Fix constant buffer array size when indexing is used * Change default QueryConstantBufferUse value * Fix more regressions * Ensure proper order
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@ -36,7 +36,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
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/// <summary>
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/// Version of the codegen (to be changed when codegen or guest format change).
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/// </summary>
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private const ulong ShaderCodeGenVersion = 2290;
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private const ulong ShaderCodeGenVersion = 2298;
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// Progress reporting helpers
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private volatile int _shaderCount;
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@ -262,10 +262,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
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string blockName = $"{ubName}_{DefaultNames.BlockSuffix}";
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context.AppendLine($"layout (binding = {descriptors[0].Binding}, std140) uniform {blockName}");
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context.AppendLine($"layout (binding = {context.Config.FirstConstantBufferBinding}, std140) uniform {blockName}");
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context.EnterScope();
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context.AppendLine("vec4 " + DefaultNames.DataName + ubSize + ";");
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context.LeaveScope($" {ubName}[{NumberFormatter.FormatInt(descriptors.Length)}];");
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context.LeaveScope($" {ubName}[{NumberFormatter.FormatInt(descriptors.Max(x => x.Slot) + 1)}];");
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}
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else
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{
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@ -291,10 +291,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
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string blockName = $"{sbName}_{DefaultNames.BlockSuffix}";
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context.AppendLine($"layout (binding = {descriptors[0].Binding}, std430) buffer {blockName}");
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context.AppendLine($"layout (binding = {context.Config.FirstStorageBufferBinding}, std430) buffer {blockName}");
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context.EnterScope();
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context.AppendLine("uint " + DefaultNames.DataName + "[];");
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context.LeaveScope($" {sbName}[{NumberFormatter.FormatInt(descriptors.Length)}];");
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context.LeaveScope($" {sbName}[{NumberFormatter.FormatInt(descriptors.Max(x => x.Slot) + 1)}];");
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}
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private static void DeclareSamplers(CodeGenContext context, TextureDescriptor[] descriptors)
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@ -41,7 +41,7 @@
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uint QueryConstantBufferUse()
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{
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return 0xffff;
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return 0;
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}
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bool QueryIsTextureBuffer(int handle, int cbufSlot = -1)
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@ -293,7 +293,7 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
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Instruction.Branch or
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Instruction.BranchIfFalse or
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Instruction.BranchIfTrue => true,
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_ => false,
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_ => false
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};
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}
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@ -91,6 +91,9 @@ namespace Ryujinx.Graphics.Shader.Translation
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private TextureDescriptor[] _cachedTextureDescriptors;
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private TextureDescriptor[] _cachedImageDescriptors;
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public int FirstConstantBufferBinding { get; private set; }
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public int FirstStorageBufferBinding { get; private set; }
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public ShaderConfig(IGpuAccessor gpuAccessor, TranslationFlags flags, TranslationCounts counts)
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{
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Stage = ShaderStage.Compute;
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@ -215,7 +218,7 @@ namespace Ryujinx.Graphics.Shader.Translation
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}
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}
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private static void SetUsedTextureOrImage(
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private void SetUsedTextureOrImage(
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Dictionary<TextureInfo, TextureMeta> dict,
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int cbufSlot,
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int handle,
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@ -235,7 +238,10 @@ namespace Ryujinx.Graphics.Shader.Translation
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{
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usageFlags |= TextureUsageFlags.NeedsScaleValue;
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var canScale = (dimensions == 2 && !isArray) || (dimensions == 3 && isArray);
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var canScale = (Stage == ShaderStage.Fragment || Stage == ShaderStage.Compute) && !isIndexed && !write &&
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((dimensions == 2 && !isArray) ||
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(dimensions == 3 && isArray));
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if (!canScale)
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{
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// Resolution scaling cannot be applied to this texture right now.
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@ -293,34 +299,59 @@ namespace Ryujinx.Graphics.Shader.Translation
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if (UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
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{
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usedMask = FillMask(usedMask);
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usedMask |= (int)GpuAccessor.QueryConstantBufferUse();
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}
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return _cachedConstantBufferDescriptors = GetBufferDescriptors(usedMask, 0, _counts.IncrementUniformBuffersCount);
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FirstConstantBufferBinding = _counts.UniformBuffersCount;
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return _cachedConstantBufferDescriptors = GetBufferDescriptors(
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usedMask,
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0,
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UsedFeatures.HasFlag(FeatureFlags.CbIndexing),
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_counts.IncrementUniformBuffersCount);
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}
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public BufferDescriptor[] GetStorageBufferDescriptors()
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{
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return _cachedStorageBufferDescriptors ??= GetBufferDescriptors(FillMask(_usedStorageBuffers), _usedStorageBuffersWrite, _counts.IncrementStorageBuffersCount);
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}
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private static int FillMask(int mask)
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if (_cachedStorageBufferDescriptors != null)
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{
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// When the storage or uniform buffers are used as array, we must allocate a binding
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// even for the "gaps" that are not used on the shader.
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// For this reason, fill up the gaps so that all slots up to the highest one are
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// marked as "used".
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return mask != 0 ? (int)(uint.MaxValue >> BitOperations.LeadingZeroCount((uint)mask)) : 0;
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return _cachedStorageBufferDescriptors;
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}
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private static BufferDescriptor[] GetBufferDescriptors(int usedMask, int writtenMask, Func<int> getBindingCallback)
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FirstStorageBufferBinding = _counts.StorageBuffersCount;
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return _cachedStorageBufferDescriptors = GetBufferDescriptors(
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_usedStorageBuffers,
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_usedStorageBuffersWrite,
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true,
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_counts.IncrementStorageBuffersCount);
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}
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private static BufferDescriptor[] GetBufferDescriptors(
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int usedMask,
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int writtenMask,
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bool isArray,
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Func<int> getBindingCallback)
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{
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var descriptors = new BufferDescriptor[BitOperations.PopCount((uint)usedMask)];
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int lastSlot = -1;
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for (int i = 0; i < descriptors.Length; i++)
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{
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int slot = BitOperations.TrailingZeroCount(usedMask);
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if (isArray)
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{
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// The next array entries also consumes bindings, even if they are unused.
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for (int j = lastSlot + 1; j < slot; j++)
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{
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getBindingCallback();
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}
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}
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lastSlot = slot;
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descriptors[i] = new BufferDescriptor(getBindingCallback(), slot);
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if ((writtenMask & (1 << slot)) != 0)
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