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Bridge FSR3 Vulkan framegen dispatch and route sharpen to interpolated output

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This commit is contained in:
Kelsi 2026-03-08 23:20:50 -07:00
parent 538a1db866
commit aa43aa6fc8
4 changed files with 154 additions and 22 deletions
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72
src/rendering/amd_fsr3_runtime.cpp
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@ -28,6 +28,8 @@ struct AmdFsr3Runtime::RuntimeFns {
decltype(&ffxGetResourceVK) getResourceVK = nullptr;
decltype(&ffxFsr3ContextCreate) fsr3ContextCreate = nullptr;
decltype(&ffxFsr3ContextDispatchUpscale) fsr3ContextDispatchUpscale = nullptr;
decltype(&ffxFsr3ConfigureFrameGeneration) fsr3ConfigureFrameGeneration = nullptr;
decltype(&ffxFsr3DispatchFrameGeneration) fsr3DispatchFrameGeneration = nullptr;
decltype(&ffxFsr3ContextDestroy) fsr3ContextDestroy = nullptr;
};
#else
@ -42,6 +44,10 @@ AmdFsr3Runtime::~AmdFsr3Runtime() {
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
namespace {
FfxErrorCode vkSwapchainConfigureNoop(const FfxFrameGenerationConfig*) {
return FFX_OK;
}
FfxSurfaceFormat mapVkFormatToFfxSurfaceFormat(VkFormat format, bool isDepth) {
if (isDepth) {
switch (format) {
@ -178,6 +184,8 @@ bool AmdFsr3Runtime::initialize(const AmdFsr3RuntimeInitDesc& desc) {
fns_->getResourceVK = reinterpret_cast<decltype(fns_->getResourceVK)>(resolveSym("ffxGetResourceVK"));
fns_->fsr3ContextCreate = reinterpret_cast<decltype(fns_->fsr3ContextCreate)>(resolveSym("ffxFsr3ContextCreate"));
fns_->fsr3ContextDispatchUpscale = reinterpret_cast<decltype(fns_->fsr3ContextDispatchUpscale)>(resolveSym("ffxFsr3ContextDispatchUpscale"));
fns_->fsr3ConfigureFrameGeneration = reinterpret_cast<decltype(fns_->fsr3ConfigureFrameGeneration)>(resolveSym("ffxFsr3ConfigureFrameGeneration"));
fns_->fsr3DispatchFrameGeneration = reinterpret_cast<decltype(fns_->fsr3DispatchFrameGeneration)>(resolveSym("ffxFsr3DispatchFrameGeneration"));
fns_->fsr3ContextDestroy = reinterpret_cast<decltype(fns_->fsr3ContextDestroy)>(resolveSym("ffxFsr3ContextDestroy"));
if (!fns_->getScratchMemorySizeVK || !fns_->getDeviceVK || !fns_->getInterfaceVK ||
@ -217,8 +225,10 @@ bool AmdFsr3Runtime::initialize(const AmdFsr3RuntimeInitDesc& desc) {
FfxFsr3ContextDescription ctxDesc{};
ctxDesc.flags = FFX_FSR3_ENABLE_AUTO_EXPOSURE |
FFX_FSR3_ENABLE_MOTION_VECTORS_JITTER_CANCELLATION |
FFX_FSR3_ENABLE_UPSCALING_ONLY;
FFX_FSR3_ENABLE_MOTION_VECTORS_JITTER_CANCELLATION;
if (!desc.enableFrameGeneration) {
ctxDesc.flags |= FFX_FSR3_ENABLE_UPSCALING_ONLY;
}
if (desc.hdrInput) ctxDesc.flags |= FFX_FSR3_ENABLE_HIGH_DYNAMIC_RANGE;
if (desc.depthInverted) ctxDesc.flags |= FFX_FSR3_ENABLE_DEPTH_INVERTED;
ctxDesc.maxRenderSize.width = desc.maxRenderWidth;
@ -227,6 +237,9 @@ bool AmdFsr3Runtime::initialize(const AmdFsr3RuntimeInitDesc& desc) {
ctxDesc.upscaleOutputSize.height = desc.displayHeight;
ctxDesc.displaySize.width = desc.displayWidth;
ctxDesc.displaySize.height = desc.displayHeight;
if (!backendShared.fpSwapChainConfigureFrameGeneration) {
backendShared.fpSwapChainConfigureFrameGeneration = vkSwapchainConfigureNoop;
}
ctxDesc.backendInterfaceSharedResources = backendShared;
ctxDesc.backendInterfaceUpscaling = backendShared;
ctxDesc.backendInterfaceFrameInterpolation = backendShared;
@ -248,6 +261,27 @@ bool AmdFsr3Runtime::initialize(const AmdFsr3RuntimeInitDesc& desc) {
return false;
}
if (desc.enableFrameGeneration) {
if (!fns_->fsr3ConfigureFrameGeneration || !fns_->fsr3DispatchFrameGeneration) {
LOG_WARNING("FSR3 runtime: frame generation symbols unavailable in ", loadedLibraryPath_);
shutdown();
return false;
}
FfxFrameGenerationConfig fgCfg{};
fgCfg.frameGenerationEnabled = true;
fgCfg.allowAsyncWorkloads = false;
fgCfg.flags = 0;
fgCfg.onlyPresentInterpolated = false;
FfxErrorCode cfgErr = fns_->fsr3ConfigureFrameGeneration(
reinterpret_cast<FfxFsr3Context*>(contextStorage_), &fgCfg);
if (cfgErr != FFX_OK) {
LOG_WARNING("FSR3 runtime: ffxFsr3ConfigureFrameGeneration failed (", static_cast<int>(cfgErr), ").");
shutdown();
return false;
}
frameGenerationReady_ = true;
}
ready_ = true;
return true;
#endif
@ -305,6 +339,39 @@ bool AmdFsr3Runtime::dispatchUpscale(const AmdFsr3RuntimeDispatchDesc& desc) {
#endif
}
bool AmdFsr3Runtime::dispatchFrameGeneration(const AmdFsr3RuntimeDispatchDesc& desc) {
#if !WOWEE_HAS_AMD_FSR3_FRAMEGEN
(void)desc;
return false;
#else
if (!ready_ || !frameGenerationReady_ || !contextStorage_ || !fns_ || !fns_->fsr3DispatchFrameGeneration) return false;
if (!desc.commandBuffer || !desc.outputImage || !desc.frameGenOutputImage ||
desc.outputWidth == 0 || desc.outputHeight == 0 || desc.outputFormat == VK_FORMAT_UNDEFINED) return false;
FfxResourceDescription presentDesc = makeResourceDescription(
desc.outputFormat, desc.outputWidth, desc.outputHeight, FFX_RESOURCE_USAGE_READ_ONLY);
FfxResourceDescription fgOutDesc = makeResourceDescription(
desc.outputFormat, desc.outputWidth, desc.outputHeight, FFX_RESOURCE_USAGE_UAV);
static wchar_t kPresentName[] = L"FSR3_PresentColor";
static wchar_t kInterpolatedName[] = L"FSR3_InterpolatedOutput";
FfxFrameGenerationDispatchDescription fgDispatch{};
fgDispatch.commandList = fns_->getCommandListVK(desc.commandBuffer);
fgDispatch.presentColor = fns_->getResourceVK(
reinterpret_cast<void*>(desc.outputImage), presentDesc, kPresentName, FFX_RESOURCE_STATE_COMPUTE_READ);
fgDispatch.outputs[0] = fns_->getResourceVK(
reinterpret_cast<void*>(desc.frameGenOutputImage), fgOutDesc, kInterpolatedName, FFX_RESOURCE_STATE_UNORDERED_ACCESS);
fgDispatch.numInterpolatedFrames = 1;
fgDispatch.reset = desc.reset;
fgDispatch.backBufferTransferFunction = FFX_BACKBUFFER_TRANSFER_FUNCTION_SRGB;
fgDispatch.minMaxLuminance[0] = 0.0f;
fgDispatch.minMaxLuminance[1] = 1.0f;
FfxErrorCode err = fns_->fsr3DispatchFrameGeneration(&fgDispatch);
return err == FFX_OK;
#endif
}
void AmdFsr3Runtime::shutdown() {
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
if (contextStorage_ && fns_ && fns_->fsr3ContextDestroy) {
@ -321,6 +388,7 @@ void AmdFsr3Runtime::shutdown() {
}
scratchBufferSize_ = 0;
ready_ = false;
frameGenerationReady_ = false;
if (fns_) {
delete fns_;
fns_ = nullptr;