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Added velocity buffer + start of TAA implementation

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This commit is contained in:
antopilo
2024-09-24 21:19:56 -04:00
parent bf75c04a8c
commit 6e8f14c5da
10 changed files with 436 additions and 398 deletions
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Nuake/src/Rendering/SceneRenderer.cpp
+74 -4
View File
@@ -22,19 +22,43 @@
namespace Nuake
{
std::vector<Vector2> SceneRenderer::mJitterOffsets = []{
return std::vector<Vector2> {
Vector2(0.500000, 0.333333),
Vector2(0.250000, 0.666667),
Vector2(0.750000, 0.111111),
Vector2(0.125000, 0.444444),
Vector2(0.625000, 0.777778),
Vector2(0.375000, 0.222222),
Vector2(0.875000, 0.555556),
Vector2(0.062500, 0.888889),
Vector2(0.562500, 0.037037),
Vector2(0.312500, 0.370370),
Vector2(0.812500, 0.703704),
Vector2(0.187500, 0.148148),
Vector2(0.687500, 0.481481),
Vector2(0.437500, 0.814815),
Vector2(0.937500, 0.259259),
Vector2(0.031250, 0.592593)
};
}();
void SceneRenderer::Init()
{
const auto defaultResolution = Vector2(1920, 1080);
auto entityTexture = CreateRef<Texture>(defaultResolution, GL_RED_INTEGER, GL_R32I, GL_INT);
entityTexture->SetParameter(GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
mGBuffer = CreateScope<FrameBuffer>(false, defaultResolution);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_DEPTH_COMPONENT), GL_DEPTH_ATTACHMENT); // Depth
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT0); // Albedo
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT1); // Normal
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGBA), GL_COLOR_ATTACHMENT2); // Material + unlit
auto entityTexture = CreateRef<Texture>(defaultResolution, GL_RED_INTEGER, GL_R32I, GL_INT);
entityTexture->SetParameter(GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
mGBuffer->SetTexture(entityTexture, GL_COLOR_ATTACHMENT3); // Entity ID
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RED, GL_R16F, GL_FLOAT), GL_COLOR_ATTACHMENT4); // Emissive
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT5); // Velocity
mShadingBuffer = CreateScope<FrameBuffer>(true, defaultResolution);
mShadingBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB, GL_RGB16F, GL_FLOAT));
@@ -91,6 +115,9 @@ namespace Nuake
mDebugLines = std::vector<DebugLine>();
mDebugShapes = std::vector<DebugShape>();
mScaledJitterOffets.reserve(mJitterOffsets.size());
UpdateJitterOffsets(defaultResolution);
}
void SceneRenderer::Cleanup()
@@ -148,12 +175,35 @@ namespace Nuake
const Vector2 framebufferResolution = framebuffer.GetSize();
if (framebufferResolution != GetGBuffer().GetSize())
{
UpdateJitterOffsets({ 1600, 1200 });
}
if (renderUI)
{
mGBuffer->QueueResize(framebufferResolution);
}
GBufferPass(scene);
if (framebuffer.GetSize() != GetGBuffer().GetSize())
{
// UpdateJitterOffsets(framebuffer.GetSize());
}
// Save previous Matrix
auto modelView = scene.m_Registry.view<TransformComponent, ModelComponent, VisibilityComponent>();
for (auto e : modelView)
{
auto [transform, mesh, visibility] = modelView.get<TransformComponent, ModelComponent, VisibilityComponent>(e);
Entity entity = { (entt::entity)e, Engine::GetCurrentScene().get() };
Logger::Log("Setting previous pos of : " + entity.GetComponent<NameComponent>().Name);
if (mesh.ModelResource && visibility.Visible)
{
transform.PreviousTransform = mProjection * mView * transform.GetGlobalTransform();
}
}
if(renderUI)
{
mTempFrameBuffer->QueueResize(framebuffer.GetSize());
@@ -805,6 +855,10 @@ namespace Nuake
gBufferShader->Bind();
gBufferShader->SetUniform("u_Projection", mProjection);
gBufferShader->SetUniform("u_View", mView);
gBufferShader->SetUniform("u_Jitter", mScaledJitterOffets[mJitterIndex]);
mJitterIndex++;
mJitterIndex = mJitterIndex % mScaledJitterOffets.size();
// Models
{
@@ -818,7 +872,7 @@ namespace Nuake
{
for (auto& m : mesh.ModelResource->GetMeshes())
{
Renderer::SubmitMesh(m, transform.GetGlobalTransform(), (uint32_t)e);
Renderer::SubmitMesh(m, transform.GetGlobalTransform(), (uint32_t)e, transform.PreviousTransform);
}
}
}
@@ -1291,4 +1345,20 @@ namespace Nuake
}
}
void SceneRenderer::UpdateJitterOffsets(const Vector2& viewportSize)
{
mScaledJitterOffets.clear();
uint32_t index = 0;
for (auto& jitterPoint : mJitterOffsets)
{
mScaledJitterOffets.push_back({
((jitterPoint.x - 0.5f) / viewportSize.x) * 2.0f,
((jitterPoint.y - 0.5f) / viewportSize.y) * 2.0f
});
index++;
}
}
}