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Use a giant UBO to optimize performance in 2D

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This removes the countless small UBO writes we had before
and replaces them with a single large write per render pass.

This results in much faster rendering on low-end devices
but improves speed on all devices.
This commit is contained in:
clayjohn 2022-06-20 21:56:26 -07:00
parent 0c23a2cfe3
commit 154b9c1c91
12 changed files with 744 additions and 507 deletions
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4
servers/rendering_server.cpp
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@ -2875,6 +2875,10 @@ void RenderingServer::init() {
GLOBAL_DEF("rendering/rendering_device/staging_buffer/texture_upload_region_size_px", 64);
GLOBAL_DEF("rendering/rendering_device/descriptor_pools/max_descriptors_per_pool", 64);
// Number of commands that can be drawn per frame.
GLOBAL_DEF_RST("rendering/gl_compatibility/item_buffer_size", 16384);
ProjectSettings::get_singleton()->set_custom_property_info("rendering/gl_compatibility/item_buffer_size", PropertyInfo(Variant::INT, "rendering/gl_compatibility/item_buffer_size", PROPERTY_HINT_RANGE, "1024,1048576,1"));
GLOBAL_DEF("rendering/shader_compiler/shader_cache/enabled", true);
GLOBAL_DEF("rendering/shader_compiler/shader_cache/compress", true);
GLOBAL_DEF("rendering/shader_compiler/shader_cache/use_zstd_compression", true);