ellipsoid/QuaternionEngine
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ADD: engine wrapper

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This commit is contained in:
hydrogendeuteride
2025-12-10 01:04:24 +09:00
parent 4880e1a992
commit c61c42f359
6 changed files with 1497 additions and 13 deletions
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19
src/core/engine.cpp
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@@ -107,13 +107,13 @@ static void dump_vma_json(DeviceManager* dev, const char* tag)
size_t VulkanEngine::query_texture_budget_bytes() const
{
DeviceManager *dev = _deviceManager.get();
if (!dev) return 512ull * 1024ull * 1024ull; // fallback
if (!dev) return kTextureBudgetFallbackBytes; // fallback
VmaAllocator alloc = dev->allocator();
if (!alloc) return 512ull * 1024ull * 1024ull;
if (!alloc) return kTextureBudgetFallbackBytes;
const VkPhysicalDeviceMemoryProperties *memProps = nullptr;
vmaGetMemoryProperties(alloc, &memProps);
if (!memProps) return 512ull * 1024ull * 1024ull;
if (!memProps) return kTextureBudgetFallbackBytes;
VmaBudget budgets[VK_MAX_MEMORY_HEAPS] = {};
vmaGetHeapBudgets(alloc, budgets);
@@ -128,14 +128,13 @@ size_t VulkanEngine::query_texture_budget_bytes() const
totalUsage += budgets[i].usage;
}
}
if (totalBudget == 0) return 512ull * 1024ull * 1024ull;
if (totalBudget == 0) return kTextureBudgetFallbackBytes;
// Reserve ~65% of VRAM for attachments, swapchain, meshes, AS, etc.
unsigned long long cap = static_cast<unsigned long long>(double(totalBudget) * 0.35);
unsigned long long cap = static_cast<unsigned long long>(double(totalBudget) * kTextureBudgetFraction);
// If usage is already near the cap, still allow current textures to live; eviction will trim.
// Clamp to at least 128 MB, at most totalBudget.
unsigned long long minCap = 128ull * 1024ull * 1024ull;
// Clamp to at least a minimum budget, at most totalBudget.
unsigned long long minCap = static_cast<unsigned long long>(kTextureBudgetMinBytes);
if (cap < minCap) cap = minCap;
if (cap > totalBudget) cap = totalBudget;
return static_cast<size_t>(cap);
@@ -827,7 +826,9 @@ void VulkanEngine::draw()
RGImageHandle hDebugColor = hDraw;
// Create transient depth targets for cascaded shadow maps (even if RT-only / disabled, to keep descriptors stable)
const VkExtent2D shadowExtent{2048, 2048};
const VkExtent2D shadowExtent{
static_cast<uint32_t>(kShadowMapResolution),
static_cast<uint32_t>(kShadowMapResolution)};
std::array<RGImageHandle, kShadowCascadeCount> hShadowCascades{};
for (int i = 0; i < kShadowCascadeCount; ++i)
{