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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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12
servers/rendering/rendering_device.cpp
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@@ -40,6 +40,7 @@ RenderingDevice *RenderingDevice::get_singleton() {
RenderingDevice::ShaderCompileFunction RenderingDevice::compile_function = nullptr;
RenderingDevice::ShaderCacheFunction RenderingDevice::cache_function = nullptr;
RenderingDevice::ShaderGetCacheKeyFunction RenderingDevice::get_cache_key_function = nullptr;
void RenderingDevice::shader_set_compile_function(ShaderCompileFunction p_function) {
compile_function = p_function;
@@ -49,6 +50,10 @@ void RenderingDevice::shader_set_cache_function(ShaderCacheFunction p_function)
cache_function = p_function;
}
void RenderingDevice::shader_set_get_cache_key_function(ShaderGetCacheKeyFunction p_function) {
get_cache_key_function = p_function;
}
Vector<uint8_t> RenderingDevice::shader_compile_from_source(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language, String *r_error, bool p_allow_cache) {
if (p_allow_cache && cache_function) {
Vector<uint8_t> cache = cache_function(p_stage, p_source_code, p_language);
@@ -62,6 +67,13 @@ Vector<uint8_t> RenderingDevice::shader_compile_from_source(ShaderStage p_stage,
return compile_function(p_stage, p_source_code, p_language, r_error, &device_capabilities);
}
String RenderingDevice::shader_get_cache_key() const {
if (get_cache_key_function) {
return get_cache_key_function(&device_capabilities);
}
return String();
}
RID RenderingDevice::_texture_create(const Ref<RDTextureFormat> &p_format, const Ref<RDTextureView> &p_view, const TypedArray<PackedByteArray> &p_data) {
ERR_FAIL_COND_V(p_format.is_null(), RID());
ERR_FAIL_COND_V(p_view.is_null(), RID());