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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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42
servers/rendering/renderer_rd/renderer_compositor_rd.cpp
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@@ -31,6 +31,7 @@
#include "renderer_compositor_rd.h"
#include "core/config/project_settings.h"
#include "core/os/dir_access.h"
void RendererCompositorRD::prepare_for_blitting_render_targets() {
RD::get_singleton()->prepare_screen_for_drawing();
@@ -155,6 +156,43 @@ void RendererCompositorRD::finalize() {
RendererCompositorRD *RendererCompositorRD::singleton = nullptr;
RendererCompositorRD::RendererCompositorRD() {
{
String shader_cache_dir = Engine::get_singleton()->get_shader_cache_path();
if (shader_cache_dir == String()) {
shader_cache_dir = "user://";
}
DirAccessRef da = DirAccess::open(shader_cache_dir);
if (!da) {
ERR_PRINT("Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
} else {
Error err = da->change_dir("shader_cache");
if (err != OK) {
err = da->make_dir("shader_cache");
}
if (err != OK) {
ERR_PRINT("Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
} else {
shader_cache_dir = shader_cache_dir.plus_file("shader_cache");
bool shader_cache_enabled = GLOBAL_GET("rendering/shader_compiler/shader_cache/enabled");
if (!Engine::get_singleton()->is_editor_hint() && !shader_cache_enabled) {
shader_cache_dir = String(); //disable only if not editor
}
if (shader_cache_dir != String()) {
bool compress = GLOBAL_GET("rendering/shader_compiler/shader_cache/compress");
bool use_zstd = GLOBAL_GET("rendering/shader_compiler/shader_cache/use_zstd_compression");
bool strip_debug = GLOBAL_GET("rendering/shader_compiler/shader_cache/strip_debug");
ShaderRD::set_shader_cache_dir(shader_cache_dir);
ShaderRD::set_shader_cache_save_compressed(compress);
ShaderRD::set_shader_cache_save_compressed_zstd(use_zstd);
ShaderRD::set_shader_cache_save_debug(!strip_debug);
}
}
}
}
singleton = this;
time = 0;
@@ -171,3 +209,7 @@ RendererCompositorRD::RendererCompositorRD() {
scene = memnew(RendererSceneRenderImplementation::RenderForwardClustered(storage));
}
}
RendererCompositorRD::~RendererCompositorRD() {
ShaderRD::set_shader_cache_dir(String());
}