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using Ryujinx.Common.Memory;
using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using System.Runtime.CompilerServices;
namespace Ryujinx.Graphics.Shader
{
public struct Vector4<T>
{
public T X;
public T Y;
public T Z;
public T W;
}
enum SupportBufferField
{
// Must match the order of the fields on the struct.
FragmentAlphaTest,
FragmentIsBgra,
ViewportInverse,
FragmentRenderScaleCount,
RenderScale
}
public struct SupportBuffer
{
internal const int Binding = 0;
public static int FieldSize;
public static int RequiredSize;
public static int FragmentAlphaTestOffset;
public static int FragmentIsBgraOffset;
public static int ViewportInverseOffset;
public static int FragmentRenderScaleCountOffset;
public static int GraphicsRenderScaleOffset;
public static int ComputeRenderScaleOffset;
public const int FragmentIsBgraCount = 8;
// One for the render target, 64 for the textures, and 8 for the images.
public const int RenderScaleMaxCount = 1 + 64 + 8;
private static int OffsetOf<T>(ref SupportBuffer storage, ref T target)
{
return (int)Unsafe.ByteOffset(ref Unsafe.As<SupportBuffer, T>(ref storage), ref target);
}
static SupportBuffer()
{
FieldSize = Unsafe.SizeOf<Vector4<float>>();
RequiredSize = Unsafe.SizeOf<SupportBuffer>();
SupportBuffer instance = new SupportBuffer();
FragmentAlphaTestOffset = OffsetOf(ref instance, ref instance.FragmentAlphaTest);
FragmentIsBgraOffset = OffsetOf(ref instance, ref instance.FragmentIsBgra);
ViewportInverseOffset = OffsetOf(ref instance, ref instance.ViewportInverse);
FragmentRenderScaleCountOffset = OffsetOf(ref instance, ref instance.FragmentRenderScaleCount);
GraphicsRenderScaleOffset = OffsetOf(ref instance, ref instance.RenderScale);
ComputeRenderScaleOffset = GraphicsRenderScaleOffset + FieldSize;
}
internal static StructureType GetStructureType()
{
return new StructureType(new[]
{
new StructureField(AggregateType.U32, "s_alpha_test"),
new StructureField(AggregateType.Array | AggregateType.U32, "s_is_bgra", FragmentIsBgraCount),
new StructureField(AggregateType.Vector4 | AggregateType.FP32, "s_viewport_inverse"),
new StructureField(AggregateType.S32, "s_frag_scale_count"),
new StructureField(AggregateType.Array | AggregateType.FP32, "s_render_scale", RenderScaleMaxCount)
});
}
public Vector4<int> FragmentAlphaTest;
public Array8<Vector4<int>> FragmentIsBgra;
public Vector4<float> ViewportInverse;
public Vector4<int> FragmentRenderScaleCount;
// Render scale max count: 1 + 64 + 8. First scale is fragment output scale, others are textures/image inputs.
public Array73<Vector4<float>> RenderScale;
}
}
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