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Implement shader caching

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* Shader compilation is now cached. Subsequent loads take less than a millisecond.
* Improved game, editor and project manager startup time.
* Editor uses .godot/shader_cache to store shaders.
* Game uses user://shader_cache
* Project manager uses $config_dir/shader_cache
* Options to tweak shader caching in project settings.
* Editor path configuration moved from EditorSettings to new class, EditorPaths, so it can be available early on (before shaders are compiled).
* Reworked ShaderCompilerRD to ensure deterministic shader code creation (else shader may change and cache will be invalidated).
* Added shader compression with SMOLV: https://github.com/aras-p/smol-v
This commit is contained in:
reduz
2021-05-24 21:25:11 -03:00
committed by Juan Linietsky
parent 39df47b88f
commit 0d2e02945b
39 changed files with 3113 additions and 172 deletions
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7
modules/glslang/register_types.cpp
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@ -179,11 +179,18 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
return ret;
}
static String _get_cache_key_function_glsl(const RenderingDevice::Capabilities *p_capabilities) {
String version;
version = "SpirVGen=" + itos(glslang::GetSpirvGeneratorVersion()) + ", major=" + itos(p_capabilities->version_major) + ", minor=" + itos(p_capabilities->version_minor) + " , subgroup_size=" + itos(p_capabilities->subgroup_operations) + " , subgroup_ops=" + itos(p_capabilities->subgroup_operations) + " , subgroup_in_shaders=" + itos(p_capabilities->subgroup_in_shaders);
return version;
}
void preregister_glslang_types() {
// initialize in case it's not initialized. This is done once per thread
// and it's safe to call multiple times
glslang::InitializeProcess();
RenderingDevice::shader_set_compile_function(_compile_shader_glsl);
RenderingDevice::shader_set_get_cache_key_function(_get_cache_key_function_glsl);
}
void register_glslang_types() {