You're breathtaking!

2020-12-07 23:40:54 +01:00
commit 6fb9eee74c
5143 changed files with 1153594 additions and 0 deletions
--- a/Source/Engine/Graphics/GPULimits.h
+++ b/Source/Engine/Graphics/GPULimits.h
@@ -0,0 +1,312 @@
+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "PixelFormat.h"
+#include "Enums.h"
+
+/// <summary>
+/// Which resources are supported for a given format and given device.
+/// </summary>
+API_ENUM(Attributes="Flags") enum class FormatSupport : int32
+{
+    /// <summary>
+    /// No features supported.	
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    /// Buffer resources supported.
+    /// </summary>
+    Buffer = 1,
+
+    /// <summary>
+    /// Vertex buffers supported.
+    /// </summary>
+    InputAssemblyVertexBuffer = 2,
+
+    /// <summary>
+    /// Index buffers supported.
+    /// </summary>
+    InputAssemblyIndexBuffer = 4,
+
+    /// <summary>
+    /// Streaming output buffers supported.
+    /// </summary>
+    StreamOutputBuffer = 8,
+
+    /// <summary>
+    /// 1D texture resources supported.
+    /// </summary>
+    Texture1D = 16,
+
+    /// <summary>
+    /// 2D texture resources supported.
+    /// </summary>
+    Texture2D = 32,
+
+    /// <summary>
+    /// 3D texture resources supported.
+    /// </summary>
+    Texture3D = 64,
+
+    /// <summary>
+    /// Cube texture resources supported.
+    /// </summary>
+    TextureCube = 128,
+
+    /// <summary>
+    /// The shader Load function for texture objects is supported.
+    /// </summary>
+    ShaderLoad = 256,
+
+    /// <summary>
+    /// The shader Sample function for texture objects is supported.
+    /// </summary>
+    ShaderSample = 512,
+
+    /// <summary>
+    /// The shader SampleCmp and SampleCmpLevelZero functions for texture objects are supported.
+    /// </summary>
+    ShaderSampleComparison = 1024,
+
+    /// <summary>
+    /// Unused.
+    /// </summary>
+    ShaderSampleMonoText = 2048,
+
+    /// <summary>
+    /// Mipmaps are supported.
+    /// </summary>
+    Mip = 4096,
+
+    /// <summary>
+    /// Automatic generation of mipmaps is supported.
+    /// </summary>
+    MipAutogen = 8192,
+
+    /// <summary>
+    /// Render targets are supported.
+    /// </summary>
+    RenderTarget = 16384,
+
+    /// <summary>
+    /// Blend operations supported.
+    /// </summary>
+    Blendable = 32768,
+
+    /// <summary>
+    /// Depth stencils supported.
+    /// </summary>
+    DepthStencil = 65536,
+
+    /// <summary>
+    /// CPU locking supported.
+    /// </summary>
+    CpuLockable = 131072,
+
+    /// <summary>
+    /// Multisample antialiasing (MSAA) resolve operations are supported.
+    /// </summary>
+    MultisampleResolve = 262144,
+
+    /// <summary>
+    /// Format can be displayed on screen.
+    /// </summary>
+    Display = 524288,
+
+    /// <summary>
+    /// Format can't be cast to another format.
+    /// </summary>
+    CastWithinBitLayout = 1048576,
+
+    /// <summary>
+    /// Format can be used as a multi-sampled render target.
+    /// </summary>
+    MultisampleRenderTarget = 2097152,
+
+    /// <summary>
+    /// Format can be used as a multi-sampled texture and read into a shader with the shader Load function.
+    /// </summary>
+    MultisampleLoad = 4194304,
+
+    /// <summary>
+    /// Format can be used with the shader gather function.
+    /// </summary>
+    ShaderGather = 8388608,
+
+    /// <summary>
+    /// Format supports casting when the resource is a back buffer.
+    /// </summary>
+    BackBufferCast = 16777216,
+
+    /// <summary>
+    /// Format can be used for an unordered access view.
+    /// </summary>
+    TypedUnorderedAccessView = 33554432,
+
+    /// <summary>
+    /// Format can be used with the shader gather with comparison function.
+    /// </summary>
+    ShaderGatherComparison = 67108864,
+
+    /// <summary>
+    /// Format can be used with the decoder output.
+    /// </summary>
+    DecoderOutput = 134217728,
+
+    /// <summary>
+    /// Format can be used with the video processor output.
+    /// </summary>
+    VideoProcessorOutput = 268435456,
+
+    /// <summary>
+    /// Format can be used with the video processor input.
+    /// </summary>
+    VideoProcessorInput = 536870912,
+
+    /// <summary>
+    /// Format can be used with the video encoder.
+    /// </summary>
+    VideoEncoder = 1073741824,
+};
+
+DECLARE_ENUM_OPERATORS(FormatSupport);
+
+// Helper macro to check if given format does not support a given set of feature flags
+#define FORMAT_FEATURES_ARE_NOT_SUPPORTED(formatSupport, formatSupportFlags) ((formatSupport & formatSupportFlags) != static_cast<int>(formatSupportFlags))
+
+// Helper macro to check if given format does support a given set of feature flags
+#define FORMAT_FEATURES_ARE_SUPPORTED(formatSupport, formatSupportFlags) ((formatSupport & formatSupportFlags) == static_cast<int>(formatSupportFlags))
+
+/// <summary>
+/// The features exposed for a particular format.
+/// </summary>
+API_STRUCT() struct FormatFeatures
+{
+DECLARE_SCRIPTING_TYPE_MINIMAL(FormatFeatures);
+
+    /// <summary>
+    /// Gets the maximum MSAA sample count for a particular <see cref="PixelFormat"/>.
+    /// </summary>
+    API_FIELD() MSAALevel MSAALevelMax;
+
+    /// <summary>
+    /// Support of a given format on the installed video device.
+    /// </summary>
+    API_FIELD() FormatSupport Support;
+
+    FormatFeatures()
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="FeaturesPerFormat"/> struct.
+    /// </summary>
+    /// <param name="format">The format.</param>
+    /// <param name="msaaLevelMax">The MSAA level maximum.</param>
+    /// <param name="formatSupport">The format support.</param>
+    FormatFeatures(const PixelFormat format, MSAALevel msaaLevelMax, FormatSupport formatSupport)
+        : MSAALevelMax(msaaLevelMax)
+        , Support(formatSupport)
+    {
+    }
+};
+
+/// <summary>
+/// Graphics Device limits and constraints descriptor.
+/// </summary>
+API_STRUCT() struct GPULimits
+{
+DECLARE_SCRIPTING_TYPE_MINIMAL(GPULimits);
+
+    /// <summary>
+    /// True if device supports Compute shaders.
+    /// </summary>
+    API_FIELD() bool HasCompute;
+
+    /// <summary>
+    /// True if device supports Tessellation shaders (domain and hull shaders).
+    /// </summary>
+    API_FIELD() bool HasTessellation;
+
+    /// <summary>
+    /// True if device supports Geometry shaders.
+    /// </summary>
+    API_FIELD() bool HasGeometryShaders;
+
+    /// <summary>
+    /// True if device supports hardware geometry instancing.
+    /// </summary>
+    API_FIELD() bool HasInstancing;
+
+    /// <summary>
+    /// True if device supports rendering to volume textures using Geometry shaders.
+    /// </summary>
+    API_FIELD() bool HasVolumeTextureRendering;
+
+    /// <summary>
+    /// True if device supports indirect drawing (including pixel shader write to UAV).
+    /// </summary>
+    API_FIELD() bool HasDrawIndirect;
+
+    /// <summary>
+    /// True if device supports append/consume buffers with counters.
+    /// </summary>
+    API_FIELD() bool HasAppendConsumeBuffers;
+
+    /// <summary>
+    /// True if device supports separate render target blending states.
+    /// </summary>
+    API_FIELD() bool HasSeparateRenderTargetBlendState;
+
+    /// <summary>
+    /// True if device supports depth buffer texture as a shader resource view.
+    /// </summary>
+    API_FIELD() bool HasDepthAsSRV;
+
+    /// <summary>
+    /// True if device supports depth buffer texture as a readonly depth buffer (can be sampled in the shader while performing depth-test).
+    /// </summary>
+    API_FIELD() bool HasReadOnlyDepth;
+
+    /// <summary>
+    /// True if device supports multisampled depth buffer texture as a shader resource view.
+    /// </summary>
+    API_FIELD() bool HasMultisampleDepthAsSRV;
+
+    /// <summary>
+    /// The maximum amount of texture mip levels.
+    /// </summary>
+    API_FIELD() int32 MaximumMipLevelsCount;
+
+    /// <summary>
+    /// The maximum size of the 1D texture.
+    /// </summary>
+    API_FIELD() int32 MaximumTexture1DSize;
+
+    /// <summary>
+    /// The maximum length of 1D textures array.
+    /// </summary>
+    API_FIELD() int32 MaximumTexture1DArraySize;
+
+    /// <summary>
+    /// The maximum size of the 2D texture.
+    /// </summary>
+    API_FIELD() int32 MaximumTexture2DSize;
+
+    /// <summary>
+    /// The maximum length of 2D textures array.
+    /// </summary>
+    API_FIELD() int32 MaximumTexture2DArraySize;
+
+    /// <summary>
+    /// The maximum size of the 3D texture.
+    /// </summary>
+    API_FIELD() int32 MaximumTexture3DSize;
+
+    /// <summary>
+    /// The maximum size of the cube texture (both width and height).
+    /// </summary>
+    API_FIELD() int32 MaximumTextureCubeSize;
+};