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Add FSR3 runtime library probing and readiness status

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Kelsi 2026-03-08 23:03:45 -07:00
parent e1c93c47be
commit f1099f5940
5 changed files with 106 additions and 11 deletions
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95
src/rendering/renderer.cpp
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@ -71,6 +71,13 @@
#include <unordered_set>
#include <set>
#include <future>
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
#if defined(_WIN32)
#include <windows.h>
#else
#include <dlfcn.h>
#endif
#endif
namespace wowee {
namespace rendering {
@ -109,6 +116,63 @@ static int envIntOrDefault(const char* key, int defaultValue) {
return static_cast<int>(n);
}
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
struct AmdFsr3RuntimeApi {
void* libHandle = nullptr;
std::string loadedPath;
bool load() {
if (libHandle) return true;
std::vector<std::string> candidates;
if (const char* envPath = std::getenv("WOWEE_FFX_SDK_RUNTIME_LIB")) {
if (*envPath) candidates.emplace_back(envPath);
}
#if defined(_WIN32)
candidates.emplace_back("ffx_fsr3_vk.dll");
candidates.emplace_back("ffx_fsr3.dll");
#elif defined(__APPLE__)
candidates.emplace_back("libffx_fsr3_vk.dylib");
candidates.emplace_back("libffx_fsr3.dylib");
#else
candidates.emplace_back("libffx_fsr3_vk.so");
candidates.emplace_back("libffx_fsr3.so");
#endif
for (const std::string& path : candidates) {
#if defined(_WIN32)
HMODULE h = LoadLibraryA(path.c_str());
if (!h) continue;
libHandle = reinterpret_cast<void*>(h);
#else
void* h = dlopen(path.c_str(), RTLD_NOW | RTLD_LOCAL);
if (!h) continue;
libHandle = h;
#endif
loadedPath = path;
return true;
}
return false;
}
void unload() {
if (!libHandle) return;
#if defined(_WIN32)
FreeLibrary(reinterpret_cast<HMODULE>(libHandle));
#else
dlclose(libHandle);
#endif
libHandle = nullptr;
loadedPath.clear();
}
};
static AmdFsr3RuntimeApi& getAmdFsr3RuntimeApi() {
static AmdFsr3RuntimeApi s_runtimeApi;
return s_runtimeApi;
}
#endif
static std::vector<std::string> parseEmoteCommands(const std::string& raw) {
std::vector<std::string> out;
std::string cur;
@ -3843,11 +3907,15 @@ bool Renderer::initFSR2Resources() {
LOG_INFO("FSR2 AMD: context created successfully.");
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
if (fsr2_.amdFsr3FramegenEnabled) {
// Runtime dispatch path is staged behind SDK runtime binary integration.
// Keep the user toggle persisted, but report inactive runtime for now.
fsr2_.amdFsr3FramegenRuntimeActive = false;
fsr2_.amdFsr3FramegenRuntimeReady = false;
LOG_WARNING("FSR3 framegen is enabled in settings, but runtime dispatch is not linked yet; running FSR2-only.");
fsr2_.amdFsr3FramegenRuntimeReady = getAmdFsr3RuntimeApi().load();
if (fsr2_.amdFsr3FramegenRuntimeReady) {
LOG_INFO("FSR3 framegen runtime library loaded from ", getAmdFsr3RuntimeApi().loadedPath,
" (dispatch staged)");
} else {
LOG_WARNING("FSR3 framegen toggle is enabled, but runtime library was not found. ",
"Set WOWEE_FFX_SDK_RUNTIME_LIB to the SDK runtime binary path.");
}
}
#endif
} else {
@ -4149,6 +4217,9 @@ void Renderer::destroyFSR2Resources() {
#endif
fsr2_.amdFsr3FramegenRuntimeActive = false;
fsr2_.amdFsr3FramegenRuntimeReady = false;
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
getAmdFsr3RuntimeApi().unload();
#endif
if (fsr2_.sharpenPipeline) { vkDestroyPipeline(device, fsr2_.sharpenPipeline, nullptr); fsr2_.sharpenPipeline = VK_NULL_HANDLE; }
if (fsr2_.sharpenPipelineLayout) { vkDestroyPipelineLayout(device, fsr2_.sharpenPipelineLayout, nullptr); fsr2_.sharpenPipelineLayout = VK_NULL_HANDLE; }
@ -4376,11 +4447,14 @@ void Renderer::dispatchAmdFsr3Framegen() {
// Runtime FI/OF dispatch requires linked FidelityFX-SDK implementation binaries.
// The integration hook is intentionally placed here (right after FSR2 dispatch),
// so we can enable real frame generation without refactoring the frame pipeline.
if (!fsr2_.amdFsr3FramegenRuntimeReady) {
fsr2_.amdFsr3FramegenRuntimeReady = getAmdFsr3RuntimeApi().load();
}
if (!fsr2_.amdFsr3FramegenRuntimeReady) {
static bool warnedMissingRuntime = false;
if (!warnedMissingRuntime) {
warnedMissingRuntime = true;
LOG_WARNING("FSR3 framegen is staged, but runtime binaries are not linked; skipping frame generation dispatch.");
LOG_WARNING("FSR3 framegen runtime library not found; skipping frame generation dispatch.");
}
}
fsr2_.amdFsr3FramegenRuntimeActive = false;
@ -4469,11 +4543,18 @@ void Renderer::setAmdFsr3FramegenEnabled(bool enabled) {
#if WOWEE_HAS_AMD_FSR3_FRAMEGEN
if (enabled) {
fsr2_.amdFsr3FramegenRuntimeActive = false;
fsr2_.amdFsr3FramegenRuntimeReady = false;
LOG_WARNING("FSR3 framegen toggle enabled, but runtime dispatch is not linked yet; running FSR2-only.");
fsr2_.amdFsr3FramegenRuntimeReady = getAmdFsr3RuntimeApi().load();
if (fsr2_.amdFsr3FramegenRuntimeReady) {
LOG_INFO("FSR3 framegen runtime library loaded from ", getAmdFsr3RuntimeApi().loadedPath,
" (dispatch staged).");
} else {
LOG_WARNING("FSR3 framegen enabled, but runtime library not found. ",
"Set WOWEE_FFX_SDK_RUNTIME_LIB to the runtime binary path.");
}
} else {
fsr2_.amdFsr3FramegenRuntimeActive = false;
fsr2_.amdFsr3FramegenRuntimeReady = false;
getAmdFsr3RuntimeApi().unload();
}
#else
fsr2_.amdFsr3FramegenRuntimeActive = false;