The open source OpenXR runtime
c/main: Fix rounding math and ensure even image sizes for readback
authored by
Moses Turner
and committed by
Moses Turner
633439e4
18678786
+13
-3
+13
-3
src/xrt/compositor/main/comp_renderer.c
+13
-3
src/xrt/compositor/main/comp_renderer.c
···
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double orig_width = r->lr->extent.width;
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double orig_height = r->lr->extent.height;
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double mul = 1080.0 / orig_height;
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double target_height = 1080;
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r->mirror_to_debug_gui.image_extent.width = (uint32_t)(orig_width * mul);
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r->mirror_to_debug_gui.image_extent.height = (uint32_t)(orig_height * mul);
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double mul = target_height / orig_height;
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// Casts seem to always round down; we don't want that here.
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r->mirror_to_debug_gui.image_extent.width = (uint32_t)(round(orig_width * mul));
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r->mirror_to_debug_gui.image_extent.height = (uint32_t)target_height;
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// gui_window_record expects the images to have even widths/heights
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if (r->mirror_to_debug_gui.image_extent.width % 2 == 1) {
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r->mirror_to_debug_gui.image_extent.width += 1;
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}
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u_sink_debug_init(&r->mirror_to_debug_gui.debug_sink);
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vk_image_readback_to_xf_pool_create(vk, r->mirror_to_debug_gui.image_extent, &r->mirror_to_debug_gui.pool,