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View culling is stupid

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Dynamitos
2024-10-22 13:31:58 +02:00
parent bbb774d9df
commit 72e60cfe30
11 changed files with 118 additions and 76 deletions
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src/Engine/Graphics/RenderPass/RenderPass.cpp
+32 -9
View File
@@ -81,15 +81,7 @@ void RenderPass::beginFrame(const Component::Camera& cam) {
corners[i] = world / world.w;
}
//viewParams.viewFrustum = {
// .planes =
// {
// computePlane(cam.getCameraPosition(), Vector(corners[2]), Vector(corners[0])),
// computePlane(cam.getCameraPosition(), Vector(corners[1]), Vector(corners[3])),
// computePlane(cam.getCameraPosition(), Vector(corners[0]), Vector(corners[1])),
// computePlane(cam.getCameraPosition(), Vector(corners[3]), Vector(corners[2])),
// },
//};
extract_planes_from_view_projection_matrix(viewParams.viewProjectionMatrix, viewParams.viewFrustum);
viewParamsBuffer->rotateBuffer(sizeof(ViewParameter));
viewParamsBuffer->updateContents(0, sizeof(ViewParameter), &viewParams);
@@ -107,3 +99,34 @@ void RenderPass::beginFrame(const Component::Camera& cam) {
void RenderPass::setResources(PRenderGraphResources _resources) { resources = _resources; }
void RenderPass::setViewport(Gfx::PViewport _viewport) { viewport = _viewport; }
void RenderPass::normalize_plane(Plane& plane) {
float l = sqrtf(plane.n.x * plane.n.x + plane.n.y * plane.n.y + plane.n.z * plane.n.z);
plane.n.x /= l;
plane.n.y /= l;
plane.n.z /= l;
plane.d /= l;
}
void RenderPass::extract_planes_from_view_projection_matrix(const Matrix4 viewProj, Frustum& frustum) {
// Compute all the planes
frustum.planes[0] = {
.n = Vector(viewProj[0][0] + viewProj[0][3], viewProj[1][0] + viewProj[1][3], viewProj[2][0] + viewProj[2][3]),
.d = viewProj[3][0] + viewProj[3][3],
};
frustum.planes[1] = {
.n = Vector(-viewProj[0][0] + viewProj[0][3], -viewProj[1][0] + viewProj[1][3], -viewProj[2][0] + viewProj[2][3]),
.d = -viewProj[3][0] + viewProj[3][3],
};
frustum.planes[2] = {
.n = Vector(viewProj[0][1] + viewProj[0][3], viewProj[1][1] + viewProj[1][3], viewProj[2][1] + viewProj[2][3]),
.d = viewProj[3][1] + viewProj[3][3],
};
frustum.planes[3] = {
.n = Vector(-viewProj[0][1] + viewProj[0][3], -viewProj[1][1] + viewProj[1][3], -viewProj[2][1] + viewProj[2][3]),
.d = -viewProj[3][1] + viewProj[3][3],
};
// Normalize all the planes
for (uint32_t planeIdx = 0; planeIdx < 4; ++planeIdx)
normalize_plane(frustum.planes[planeIdx]);
}