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OpenXR: apply fix for reverse Z

This commit is contained in:
Bastiaan Olij 2024-04-09 16:15:42 +10:00
parent 6c57928063
commit b67eba8399
1 changed files with 7 additions and 4 deletions
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11
modules/openxr/openxr_api.cpp
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@ -1204,10 +1204,12 @@ bool OpenXRAPI::create_main_swapchains(Size2i p_size) {
depth_views[i].subImage.imageRect.offset.y = 0;
depth_views[i].subImage.imageRect.extent.width = main_swapchain_size.width;
depth_views[i].subImage.imageRect.extent.height = main_swapchain_size.height;
// OpenXR spec says that: minDepth < maxDepth.
depth_views[i].minDepth = 0.0;
depth_views[i].maxDepth = 1.0;
depth_views[i].nearZ = 0.01; // Near and far Z will be set to the correct values in fill_projection_matrix
depth_views[i].farZ = 100.0;
// But we can reverse near and far for reverse-Z.
depth_views[i].nearZ = 100.0; // Near and far Z will be set to the correct values in fill_projection_matrix
depth_views[i].farZ = 0.01;
}
};
@ -1802,8 +1804,9 @@ bool OpenXRAPI::get_view_projection(uint32_t p_view, double p_z_near, double p_z
// if we're using depth views, make sure we update our near and far there...
if (depth_views != nullptr) {
for (uint32_t i = 0; i < view_count; i++) {
depth_views[i].nearZ = p_z_near;
depth_views[i].farZ = p_z_far;
// As we are using reverse-Z these need to be flipped.
depth_views[i].nearZ = p_z_far;
depth_views[i].farZ = p_z_near;
}
}