ellipsoid/QuaternionEngine
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ADD: SSR

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This commit is contained in:
hydrogendeuteride
2025-12-01 19:35:38 +09:00
parent 637a83bf6f
commit 64528f2c4a
10 changed files with 479 additions and 5 deletions
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39
src/core/engine.cpp
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@@ -268,6 +268,8 @@ void VulkanEngine::init()
_resourceManager->set_deferred_uploads(true);
_context->enableSSR = true;
//everything went fine
_isInitialized = true;
}
@@ -716,16 +718,49 @@ void VulkanEngine::draw()
lighting->register_graph(_renderGraph.get(), hDraw, hGBufferPosition, hGBufferNormal, hGBufferAlbedo,
std::span<RGImageHandle>(hShadowCascades.data(), hShadowCascades.size()));
}
// Optional Screen Space Reflections pass: consumes HDR draw + G-Buffer and
// produces an SSR-augmented HDR image. Controlled by EngineContext::enableSSR.
RGImageHandle hSSR{};
SSRPass *ssr = _renderPassManager->getPass<SSRPass>();
const bool ssrEnabled = (_context && _context->enableSSR && ssr != nullptr);
if (ssrEnabled)
{
RGImageDesc ssrDesc{};
ssrDesc.name = "hdr.ssr";
ssrDesc.format = _swapchainManager->drawImage().imageFormat;
ssrDesc.extent = _drawExtent;
ssrDesc.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
| VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_STORAGE_BIT;
hSSR = _renderGraph->create_image(ssrDesc);
ssr->register_graph(_renderGraph.get(),
hDraw,
hGBufferPosition,
hGBufferNormal,
hGBufferAlbedo,
hSSR);
}
if (auto *transparent = _renderPassManager->getPass<TransparentPass>())
{
transparent->register_graph(_renderGraph.get(), hDraw, hDepth);
// Transparent objects draw on top of either the SSR output or the raw HDR draw.
RGImageHandle hdrTarget = (ssrEnabled && hSSR.valid()) ? hSSR : hDraw;
transparent->register_graph(_renderGraph.get(), hdrTarget, hDepth);
}
imguiPass = _renderPassManager->getImGuiPass();
// Optional Tonemap pass: sample HDR draw -> LDR intermediate
if (auto *tonemap = _renderPassManager->getPass<TonemapPass>())
{
finalColor = tonemap->register_graph(_renderGraph.get(), hDraw);
RGImageHandle hdrInput = (ssrEnabled && hSSR.valid()) ? hSSR : hDraw;
finalColor = tonemap->register_graph(_renderGraph.get(), hdrInput);
}
else
{
// If tonemapping is disabled, present whichever HDR buffer we ended up with.
finalColor = (ssrEnabled && hSSR.valid()) ? hSSR : hDraw;
}
}