Fix cross-platform FSR3 compile path and Path-A runtime wiring

include/third_party/ffx_fsr3_legacy_compat.h

@@ -0,0 +1,143 @@
+#pragma once
+
+#include <ffx_fsr3upscaler.h>
+#include <ffx_frameinterpolation.h>
+#include <ffx_opticalflow.h>
+#include <ffx_framegeneration.h>
+
+// Kits SDK uses FfxApi* type names. Preserve the legacy aliases expected by
+// the existing runtime/wrapper code so we can compile against either layout.
+using FfxSurfaceFormat = FfxApiSurfaceFormat;
+using FfxDimensions2D = FfxApiDimensions2D;
+using FfxFloatCoords2D = FfxApiFloatCoords2D;
+using FfxResource = FfxApiResource;
+using FfxResourceDescription = FfxApiResourceDescription;
+using FfxResourceUsage = FfxApiResourceUsage;
+
+#ifndef FFX_FSR3_CONTEXT_SIZE
+#define FFX_FSR3_CONTEXT_SIZE (FFX_SDK_DEFAULT_CONTEXT_SIZE)
+#endif
+
+#ifndef FFX_FSR3_CONTEXT_COUNT
+// Combined FSR3 path uses shared + upscaler + frame interpolation contexts.
+#define FFX_FSR3_CONTEXT_COUNT (3)
+#endif
+
+#ifndef FFX_RESOURCE_TYPE_TEXTURE2D
+#define FFX_RESOURCE_TYPE_TEXTURE2D FFX_API_RESOURCE_TYPE_TEXTURE2D
+#endif
+#ifndef FFX_RESOURCE_FLAGS_NONE
+#define FFX_RESOURCE_FLAGS_NONE FFX_API_RESOURCE_FLAGS_NONE
+#endif
+#ifndef FFX_RESOURCE_USAGE_READ_ONLY
+#define FFX_RESOURCE_USAGE_READ_ONLY FFX_API_RESOURCE_USAGE_READ_ONLY
+#endif
+#ifndef FFX_RESOURCE_USAGE_UAV
+#define FFX_RESOURCE_USAGE_UAV FFX_API_RESOURCE_USAGE_UAV
+#endif
+#ifndef FFX_RESOURCE_USAGE_DEPTHTARGET
+#define FFX_RESOURCE_USAGE_DEPTHTARGET FFX_API_RESOURCE_USAGE_DEPTHTARGET
+#endif
+#ifndef FFX_RESOURCE_STATE_COMPUTE_READ
+#define FFX_RESOURCE_STATE_COMPUTE_READ FFX_API_RESOURCE_STATE_COMPUTE_READ
+#endif
+#ifndef FFX_RESOURCE_STATE_UNORDERED_ACCESS
+#define FFX_RESOURCE_STATE_UNORDERED_ACCESS FFX_API_RESOURCE_STATE_UNORDERED_ACCESS
+#endif
+
+#ifndef FFX_SURFACE_FORMAT_UNKNOWN
+#define FFX_SURFACE_FORMAT_UNKNOWN FFX_API_SURFACE_FORMAT_UNKNOWN
+#define FFX_SURFACE_FORMAT_R32_FLOAT FFX_API_SURFACE_FORMAT_R32_FLOAT
+#define FFX_SURFACE_FORMAT_R16_UNORM FFX_API_SURFACE_FORMAT_R16_UNORM
+#define FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT FFX_API_SURFACE_FORMAT_R16G16B16A16_FLOAT
+#define FFX_SURFACE_FORMAT_R8G8B8A8_UNORM FFX_API_SURFACE_FORMAT_R8G8B8A8_UNORM
+#define FFX_SURFACE_FORMAT_R8G8B8A8_SRGB FFX_API_SURFACE_FORMAT_R8G8B8A8_SRGB
+#define FFX_SURFACE_FORMAT_R10G10B10A2_UNORM FFX_API_SURFACE_FORMAT_R10G10B10A2_UNORM
+#define FFX_SURFACE_FORMAT_R11G11B10_FLOAT FFX_API_SURFACE_FORMAT_R11G11B10_FLOAT
+#define FFX_SURFACE_FORMAT_R16G16_FLOAT FFX_API_SURFACE_FORMAT_R16G16_FLOAT
+#define FFX_SURFACE_FORMAT_R16G16_UINT FFX_API_SURFACE_FORMAT_R16G16_UINT
+#define FFX_SURFACE_FORMAT_R16_FLOAT FFX_API_SURFACE_FORMAT_R16_FLOAT
+#define FFX_SURFACE_FORMAT_R16_UINT FFX_API_SURFACE_FORMAT_R16_UINT
+#define FFX_SURFACE_FORMAT_R16_SNORM FFX_API_SURFACE_FORMAT_R16_SNORM
+#define FFX_SURFACE_FORMAT_R8_UNORM FFX_API_SURFACE_FORMAT_R8_UNORM
+#define FFX_SURFACE_FORMAT_R8_UINT FFX_API_SURFACE_FORMAT_R8_UINT
+#define FFX_SURFACE_FORMAT_R8G8_UNORM FFX_API_SURFACE_FORMAT_R8G8_UNORM
+#define FFX_SURFACE_FORMAT_R32_UINT FFX_API_SURFACE_FORMAT_R32_UINT
+#endif
+
+#ifndef FFX_BACKBUFFER_TRANSFER_FUNCTION_SRGB
+#define FFX_BACKBUFFER_TRANSFER_FUNCTION_SRGB FFX_API_BACKBUFFER_TRANSFER_FUNCTION_SRGB
+#define FFX_BACKBUFFER_TRANSFER_FUNCTION_SCRGB FFX_API_BACKBUFFER_TRANSFER_FUNCTION_SCRGB
+#endif
+
+enum FfxFsr3InitializationFlagBitsCompat {
+    FFX_FSR3_ENABLE_HIGH_DYNAMIC_RANGE = (1u << 0),
+    FFX_FSR3_ENABLE_DISPLAY_RESOLUTION_MOTION_VECTORS = (1u << 1),
+    FFX_FSR3_ENABLE_MOTION_VECTORS_JITTER_CANCELLATION = (1u << 2),
+    FFX_FSR3_ENABLE_DEPTH_INVERTED = (1u << 3),
+    FFX_FSR3_ENABLE_DEPTH_INFINITE = (1u << 4),
+    FFX_FSR3_ENABLE_AUTO_EXPOSURE = (1u << 5),
+    FFX_FSR3_ENABLE_DYNAMIC_RESOLUTION = (1u << 6),
+    FFX_FSR3_ENABLE_UPSCALING_ONLY = (1u << 7)
+};
+
+typedef struct FfxFsr3ContextDescription {
+    uint32_t flags;
+    FfxApiDimensions2D maxRenderSize;
+    FfxApiDimensions2D displaySize;
+    FfxApiDimensions2D upscaleOutputSize;
+    FfxFsr3UpscalerMessage fpMessage;
+    FfxInterface backendInterfaceSharedResources;
+    FfxInterface backendInterfaceUpscaling;
+    FfxInterface backendInterfaceFrameInterpolation;
+    FfxApiSurfaceFormat backBufferFormat;
+} FfxFsr3ContextDescription;
+
+typedef struct FfxFsr3Context {
+    uint32_t data[FFX_FSR3_CONTEXT_SIZE];
+} FfxFsr3Context;
+
+typedef struct FfxFsr3DispatchUpscaleDescription {
+    FfxCommandList commandList;
+    FfxApiResource color;
+    FfxApiResource depth;
+    FfxApiResource motionVectors;
+    FfxApiResource exposure;
+    FfxApiResource reactive;
+    FfxApiResource transparencyAndComposition;
+    FfxApiResource upscaleOutput;
+    FfxApiFloatCoords2D jitterOffset;
+    FfxApiFloatCoords2D motionVectorScale;
+    FfxApiDimensions2D renderSize;
+    bool enableSharpening;
+    float sharpness;
+    float frameTimeDelta;
+    float preExposure;
+    bool reset;
+    float cameraNear;
+    float cameraFar;
+    float cameraFovAngleVertical;
+    float viewSpaceToMetersFactor;
+} FfxFsr3DispatchUpscaleDescription;
+
+typedef struct FfxFrameGenerationDispatchDescription {
+    FfxCommandList commandList;
+    FfxApiResource presentColor;
+    FfxApiResource outputs[4];
+    uint32_t numInterpolatedFrames;
+    bool reset;
+    uint32_t backBufferTransferFunction;
+    float minMaxLuminance[2];
+} FfxFrameGenerationDispatchDescription;
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+FFX_API FfxErrorCode ffxFsr3ContextCreate(FfxFsr3Context* context, const FfxFsr3ContextDescription* contextDescription);
+FFX_API FfxErrorCode ffxFsr3ContextDispatchUpscale(FfxFsr3Context* context, const FfxFsr3DispatchUpscaleDescription* dispatchDescription);
+FFX_API FfxErrorCode ffxFsr3ConfigureFrameGeneration(FfxFsr3Context* context, const FfxFrameGenerationConfig* config);
+FFX_API FfxErrorCode ffxFsr3DispatchFrameGeneration(const FfxFrameGenerationDispatchDescription* dispatchDescription);
+FFX_API FfxErrorCode ffxFsr3ContextDestroy(FfxFsr3Context* context);
+#if defined(__cplusplus)
+}
+#endif