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authorRĂ©mi Verschelde <remi@verschelde.fr>2021-05-31 11:02:19 +0200
committerGitHub <noreply@github.com>2021-05-31 11:02:19 +0200
commit596eb783fe34cccd9e9b9c214028033137fa26ea (patch)
tree98e0fa3e8bfbda7f21454783454b0b23c7849bb0 /servers
parentf7bcada709d9b79834b8984cdccace06aa5c9006 (diff)
parent0d2e02945b07073ed8c76ca118e36da825c0c1ec (diff)
Merge pull request #49050 from reduz/implement-spirv-cache
Implement shader caching
Diffstat (limited to 'servers')
-rw-r--r--servers/rendering/renderer_rd/renderer_compositor_rd.cpp42
-rw-r--r--servers/rendering/renderer_rd/renderer_compositor_rd.h2
-rw-r--r--servers/rendering/renderer_rd/shader_compiler_rd.cpp101
-rw-r--r--servers/rendering/renderer_rd/shader_rd.cpp290
-rw-r--r--servers/rendering/renderer_rd/shader_rd.h23
-rw-r--r--servers/rendering/rendering_device.cpp12
-rw-r--r--servers/rendering/rendering_device.h4
-rw-r--r--servers/rendering_server.cpp6
8 files changed, 440 insertions, 40 deletions
diff --git a/servers/rendering/renderer_rd/renderer_compositor_rd.cpp b/servers/rendering/renderer_rd/renderer_compositor_rd.cpp
index 0012ba9c27..1337d36762 100644
--- a/servers/rendering/renderer_rd/renderer_compositor_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_compositor_rd.cpp
@@ -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());
+}
diff --git a/servers/rendering/renderer_rd/renderer_compositor_rd.h b/servers/rendering/renderer_rd/renderer_compositor_rd.h
index 52552f7ee3..7a78322051 100644
--- a/servers/rendering/renderer_rd/renderer_compositor_rd.h
+++ b/servers/rendering/renderer_rd/renderer_compositor_rd.h
@@ -118,6 +118,6 @@ public:
static RendererCompositorRD *singleton;
RendererCompositorRD();
- ~RendererCompositorRD() {}
+ ~RendererCompositorRD();
};
#endif // RASTERIZER_RD_H
diff --git a/servers/rendering/renderer_rd/shader_compiler_rd.cpp b/servers/rendering/renderer_rd/shader_compiler_rd.cpp
index 056c8113a7..7deedb80c3 100644
--- a/servers/rendering/renderer_rd/shader_compiler_rd.cpp
+++ b/servers/rendering/renderer_rd/shader_compiler_rd.cpp
@@ -369,17 +369,24 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S
ERR_FAIL_COND(fidx == -1);
+ Vector<StringName> uses_functions;
+
for (Set<StringName>::Element *E = p_node->functions[fidx].uses_function.front(); E; E = E->next()) {
- if (added.has(E->get())) {
+ uses_functions.push_back(E->get());
+ }
+ uses_functions.sort_custom<StringName::AlphCompare>(); //ensure order is deterministic so the same shader is always produced
+
+ for (int k = 0; k < uses_functions.size(); k++) {
+ if (added.has(uses_functions[k])) {
continue; //was added already
}
- _dump_function_deps(p_node, E->get(), p_func_code, r_to_add, added);
+ _dump_function_deps(p_node, uses_functions[k], p_func_code, r_to_add, added);
SL::FunctionNode *fnode = nullptr;
for (int i = 0; i < p_node->functions.size(); i++) {
- if (p_node->functions[i].name == E->get()) {
+ if (p_node->functions[i].name == uses_functions[k]) {
fnode = p_node->functions[i].function;
break;
}
@@ -427,9 +434,9 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S
header += ")\n";
r_to_add += header;
- r_to_add += p_func_code[E->get()];
+ r_to_add += p_func_code[uses_functions[k]];
- added.insert(E->get());
+ added.insert(uses_functions[k]);
}
}
@@ -581,63 +588,74 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
uniform_defines.resize(max_uniforms);
bool uses_uniforms = false;
+ Vector<StringName> uniform_names;
+
for (Map<StringName, SL::ShaderNode::Uniform>::Element *E = pnode->uniforms.front(); E; E = E->next()) {
+ uniform_names.push_back(E->key());
+ }
+
+ uniform_names.sort_custom<StringName::AlphCompare>(); //ensure order is deterministic so the same shader is always produced
+
+ for (int k = 0; k < uniform_names.size(); k++) {
+ StringName uniform_name = uniform_names[k];
+ const SL::ShaderNode::Uniform &uniform = pnode->uniforms[uniform_name];
+
String ucode;
- if (E->get().scope == SL::ShaderNode::Uniform::SCOPE_INSTANCE) {
+ if (uniform.scope == SL::ShaderNode::Uniform::SCOPE_INSTANCE) {
//insert, but don't generate any code.
- p_actions.uniforms->insert(E->key(), E->get());
+ p_actions.uniforms->insert(uniform_name, uniform);
continue; //instances are indexed directly, dont need index uniforms
}
- if (SL::is_sampler_type(E->get().type)) {
- ucode = "layout(set = " + itos(actions.texture_layout_set) + ", binding = " + itos(actions.base_texture_binding_index + E->get().texture_order) + ") uniform ";
+ if (SL::is_sampler_type(uniform.type)) {
+ ucode = "layout(set = " + itos(actions.texture_layout_set) + ", binding = " + itos(actions.base_texture_binding_index + uniform.texture_order) + ") uniform ";
}
- bool is_buffer_global = !SL::is_sampler_type(E->get().type) && E->get().scope == SL::ShaderNode::Uniform::SCOPE_GLOBAL;
+ bool is_buffer_global = !SL::is_sampler_type(uniform.type) && uniform.scope == SL::ShaderNode::Uniform::SCOPE_GLOBAL;
if (is_buffer_global) {
//this is an integer to index the global table
ucode += _typestr(ShaderLanguage::TYPE_UINT);
} else {
- ucode += _prestr(E->get().precision);
- ucode += _typestr(E->get().type);
+ ucode += _prestr(uniform.precision);
+ ucode += _typestr(uniform.type);
}
- ucode += " " + _mkid(E->key());
+ ucode += " " + _mkid(uniform_name);
ucode += ";\n";
- if (SL::is_sampler_type(E->get().type)) {
+ if (SL::is_sampler_type(uniform.type)) {
for (int j = 0; j < STAGE_MAX; j++) {
r_gen_code.stage_globals[j] += ucode;
}
GeneratedCode::Texture texture;
- texture.name = E->key();
- texture.hint = E->get().hint;
- texture.type = E->get().type;
- texture.filter = E->get().filter;
- texture.repeat = E->get().repeat;
- texture.global = E->get().scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL;
+ texture.name = uniform_name;
+ texture.hint = uniform.hint;
+ texture.type = uniform.type;
+ texture.filter = uniform.filter;
+ texture.repeat = uniform.repeat;
+ texture.global = uniform.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL;
if (texture.global) {
r_gen_code.uses_global_textures = true;
}
- r_gen_code.texture_uniforms.write[E->get().texture_order] = texture;
+ r_gen_code.texture_uniforms.write[uniform.texture_order] = texture;
} else {
if (!uses_uniforms) {
uses_uniforms = true;
}
- uniform_defines.write[E->get().order] = ucode;
+ uniform_defines.write[uniform.order] = ucode;
if (is_buffer_global) {
//globals are indices into the global table
- uniform_sizes.write[E->get().order] = _get_datatype_size(ShaderLanguage::TYPE_UINT);
- uniform_alignments.write[E->get().order] = _get_datatype_alignment(ShaderLanguage::TYPE_UINT);
+ uniform_sizes.write[uniform.order] = _get_datatype_size(ShaderLanguage::TYPE_UINT);
+ uniform_alignments.write[uniform.order] = _get_datatype_alignment(ShaderLanguage::TYPE_UINT);
} else {
- uniform_sizes.write[E->get().order] = _get_datatype_size(E->get().type);
- uniform_alignments.write[E->get().order] = _get_datatype_alignment(E->get().type);
+ uniform_sizes.write[uniform.order] = _get_datatype_size(uniform.type);
+ uniform_alignments.write[uniform.order] = _get_datatype_alignment(uniform.type);
}
}
- p_actions.uniforms->insert(E->key(), E->get());
+ p_actions.uniforms->insert(uniform_name, uniform);
}
for (int i = 0; i < max_uniforms; i++) {
@@ -704,21 +722,32 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
List<Pair<StringName, SL::ShaderNode::Varying>> var_frag_to_light;
+ Vector<StringName> varying_names;
+
for (Map<StringName, SL::ShaderNode::Varying>::Element *E = pnode->varyings.front(); E; E = E->next()) {
- if (E->get().stage == SL::ShaderNode::Varying::STAGE_FRAGMENT_TO_LIGHT || E->get().stage == SL::ShaderNode::Varying::STAGE_FRAGMENT) {
- var_frag_to_light.push_back(Pair<StringName, SL::ShaderNode::Varying>(E->key(), E->get()));
- fragment_varyings.insert(E->key());
+ varying_names.push_back(E->key());
+ }
+
+ varying_names.sort_custom<StringName::AlphCompare>(); //ensure order is deterministic so the same shader is always produced
+
+ for (int k = 0; k < varying_names.size(); k++) {
+ StringName varying_name = varying_names[k];
+ const SL::ShaderNode::Varying &varying = pnode->varyings[varying_name];
+
+ if (varying.stage == SL::ShaderNode::Varying::STAGE_FRAGMENT_TO_LIGHT || varying.stage == SL::ShaderNode::Varying::STAGE_FRAGMENT) {
+ var_frag_to_light.push_back(Pair<StringName, SL::ShaderNode::Varying>(varying_name, varying));
+ fragment_varyings.insert(varying_name);
continue;
}
String vcode;
- String interp_mode = _interpstr(E->get().interpolation);
- vcode += _prestr(E->get().precision);
- vcode += _typestr(E->get().type);
- vcode += " " + _mkid(E->key());
- if (E->get().array_size > 0) {
+ String interp_mode = _interpstr(varying.interpolation);
+ vcode += _prestr(varying.precision);
+ vcode += _typestr(varying.type);
+ vcode += " " + _mkid(varying_name);
+ if (varying.array_size > 0) {
vcode += "[";
- vcode += itos(E->get().array_size);
+ vcode += itos(varying.array_size);
vcode += "]";
}
vcode += ";\n";
diff --git a/servers/rendering/renderer_rd/shader_rd.cpp b/servers/rendering/renderer_rd/shader_rd.cpp
index f7242a2b17..6f29ff42bc 100644
--- a/servers/rendering/renderer_rd/shader_rd.cpp
+++ b/servers/rendering/renderer_rd/shader_rd.cpp
@@ -30,8 +30,12 @@
#include "shader_rd.h"
+#include "core/io/compression.h"
+#include "core/os/dir_access.h"
+#include "core/os/file_access.h"
#include "renderer_compositor_rd.h"
#include "servers/rendering/rendering_device.h"
+#include "thirdparty/misc/smolv.h"
void ShaderRD::_add_stage(const char *p_code, StageType p_stage_type) {
Vector<String> lines = String(p_code).split("\n");
@@ -97,6 +101,7 @@ void ShaderRD::_add_stage(const char *p_code, StageType p_stage_type) {
void ShaderRD::setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_compute_code, const char *p_name) {
name = p_name;
+
if (p_compute_code) {
_add_stage(p_compute_code, STAGE_TYPE_COMPUTE);
is_compute = true;
@@ -109,6 +114,18 @@ void ShaderRD::setup(const char *p_vertex_code, const char *p_fragment_code, con
_add_stage(p_fragment_code, STAGE_TYPE_FRAGMENT);
}
}
+
+ StringBuilder tohash;
+ tohash.append("[VersionKey]");
+ tohash.append(RenderingDevice::get_singleton()->shader_get_cache_key());
+ tohash.append("[Vertex]");
+ tohash.append(p_vertex_code ? p_vertex_code : "");
+ tohash.append("[Fragment]");
+ tohash.append(p_fragment_code ? p_fragment_code : "");
+ tohash.append("[Compute]");
+ tohash.append(p_compute_code ? p_compute_code : "");
+
+ base_sha256 = tohash.as_string().sha256_text();
}
RID ShaderRD::version_create() {
@@ -131,6 +148,9 @@ void ShaderRD::_clear_version(Version *p_version) {
}
memdelete_arr(p_version->variants);
+ if (p_version->variant_stages) {
+ memdelete_arr(p_version->variant_stages);
+ }
p_version->variants = nullptr;
}
}
@@ -183,7 +203,7 @@ void ShaderRD::_compile_variant(uint32_t p_variant, Version *p_version) {
return; //variant is disabled, return
}
- Vector<RD::ShaderStageData> stages;
+ Vector<RD::ShaderStageData> &stages = p_version->variant_stages[p_variant];
String error;
String current_source;
@@ -313,6 +333,197 @@ RS::ShaderNativeSourceCode ShaderRD::version_get_native_source_code(RID p_versio
return source_code;
}
+String ShaderRD::_version_get_sha1(Version *p_version) const {
+ StringBuilder hash_build;
+
+ hash_build.append("[uniforms]");
+ hash_build.append(p_version->uniforms.get_data());
+ hash_build.append("[vertex_globals]");
+ hash_build.append(p_version->vertex_globals.get_data());
+ hash_build.append("[fragment_globals]");
+ hash_build.append(p_version->fragment_globals.get_data());
+ hash_build.append("[compute_globals]");
+ hash_build.append(p_version->compute_globals.get_data());
+
+ Vector<StringName> code_sections;
+ for (Map<StringName, CharString>::Element *E = p_version->code_sections.front(); E; E = E->next()) {
+ code_sections.push_back(E->key());
+ }
+ code_sections.sort_custom<StringName::AlphCompare>();
+
+ for (int i = 0; i < code_sections.size(); i++) {
+ hash_build.append(String("[code:") + String(code_sections[i]) + "]");
+ hash_build.append(p_version->code_sections[code_sections[i]].get_data());
+ }
+ for (int i = 0; i < p_version->custom_defines.size(); i++) {
+ hash_build.append("[custom_defines:" + itos(i) + "]");
+ hash_build.append(p_version->custom_defines[i].get_data());
+ }
+
+ return hash_build.as_string().sha1_text();
+}
+
+static const char *shader_file_header = "GDSC";
+static const uint32_t cache_file_version = 1;
+
+bool ShaderRD::_load_from_cache(Version *p_version) {
+ String sha1 = _version_get_sha1(p_version);
+ String path = shader_cache_dir.plus_file(name).plus_file(base_sha256).plus_file(sha1) + ".cache";
+
+ uint64_t time_from = OS::get_singleton()->get_ticks_usec();
+
+ FileAccessRef f = FileAccess::open(path, FileAccess::READ);
+ if (!f) {
+ return false;
+ }
+
+ char header[5] = { 0, 0, 0, 0, 0 };
+ f->get_buffer((uint8_t *)header, 4);
+ ERR_FAIL_COND_V(header != String(shader_file_header), false);
+
+ uint32_t file_version = f->get_32();
+ if (file_version != cache_file_version) {
+ return false; // wrong version
+ }
+
+ uint32_t variant_count = f->get_32();
+
+ ERR_FAIL_COND_V(variant_count != (uint32_t)variant_defines.size(), false); //should not happen but check
+
+ bool success = true;
+ for (uint32_t i = 0; i < variant_count; i++) {
+ uint32_t stage_count = f->get_32();
+ p_version->variant_stages[i].resize(stage_count);
+ for (uint32_t j = 0; j < stage_count; j++) {
+ p_version->variant_stages[i].write[j].shader_stage = RD::ShaderStage(f->get_32());
+
+ int compression = f->get_32();
+ uint32_t length = f->get_32();
+
+ if (compression == 0) {
+ Vector<uint8_t> data;
+ data.resize(length);
+
+ f->get_buffer(data.ptrw(), length);
+
+ p_version->variant_stages[i].write[j].spir_v = data;
+ } else {
+ Vector<uint8_t> data;
+
+ if (compression == 2) {
+ //zstd
+ int smol_length = f->get_32();
+ Vector<uint8_t> zstd_data;
+
+ zstd_data.resize(smol_length);
+ f->get_buffer(zstd_data.ptrw(), smol_length);
+
+ data.resize(length);
+ Compression::decompress(data.ptrw(), data.size(), zstd_data.ptr(), zstd_data.size(), Compression::MODE_ZSTD);
+
+ } else {
+ data.resize(length);
+ f->get_buffer(data.ptrw(), length);
+ }
+
+ Vector<uint8_t> spirv;
+ uint32_t spirv_size = smolv::GetDecodedBufferSize(data.ptr(), data.size());
+ spirv.resize(spirv_size);
+ if (!smolv::Decode(data.ptr(), data.size(), spirv.ptrw(), spirv_size)) {
+ ERR_PRINT("Malformed smolv input uncompressing shader " + name + ", variant #" + itos(i) + " stage :" + itos(j));
+ success = false;
+ break;
+ }
+ p_version->variant_stages[i].write[j].spir_v = spirv;
+ }
+ }
+ }
+
+ if (!success) {
+ for (uint32_t i = 0; i < variant_count; i++) {
+ p_version->variant_stages[i].resize(0);
+ }
+ return false;
+ }
+
+ float time_ms = double(OS::get_singleton()->get_ticks_usec() - time_from) / 1000.0;
+
+ print_verbose("Shader cache load success '" + path + "' " + rtos(time_ms) + "ms.");
+
+ for (uint32_t i = 0; i < variant_count; i++) {
+ RID shader = RD::get_singleton()->shader_create(p_version->variant_stages[i]);
+ {
+ MutexLock lock(variant_set_mutex);
+ p_version->variants[i] = shader;
+ }
+ }
+
+ memdelete_arr(p_version->variant_stages); //clear stages
+ p_version->variant_stages = nullptr;
+ p_version->valid = true;
+ return true;
+}
+
+void ShaderRD::_save_to_cache(Version *p_version) {
+ String sha1 = _version_get_sha1(p_version);
+ String path = shader_cache_dir.plus_file(name).plus_file(base_sha256).plus_file(sha1) + ".cache";
+
+ FileAccessRef f = FileAccess::open(path, FileAccess::WRITE);
+ ERR_FAIL_COND(!f);
+ f->store_buffer((const uint8_t *)shader_file_header, 4);
+ f->store_32(cache_file_version); //file version
+ uint32_t variant_count = variant_defines.size();
+ f->store_32(variant_count); //variant count
+
+ for (uint32_t i = 0; i < variant_count; i++) {
+ f->store_32(p_version->variant_stages[i].size()); //stage count
+ for (int j = 0; j < p_version->variant_stages[i].size(); j++) {
+ f->store_32(p_version->variant_stages[i][j].shader_stage); //stage count
+ Vector<uint8_t> spirv = p_version->variant_stages[i][j].spir_v;
+
+ bool save_uncompressed = true;
+ if (shader_cache_save_compressed) {
+ smolv::ByteArray smolv;
+ bool strip_debug = !shader_cache_save_debug;
+ if (!smolv::Encode(spirv.ptr(), spirv.size(), smolv, strip_debug ? smolv::kEncodeFlagStripDebugInfo : 0)) {
+ ERR_PRINT("Error compressing shader " + name + ", variant #" + itos(i) + " stage :" + itos(i));
+ } else {
+ bool compress_zstd = shader_cache_save_compressed_zstd;
+
+ if (compress_zstd) {
+ Vector<uint8_t> zstd;
+ zstd.resize(Compression::get_max_compressed_buffer_size(smolv.size(), Compression::MODE_ZSTD));
+ int dst_size = Compression::compress(zstd.ptrw(), &smolv[0], smolv.size(), Compression::MODE_ZSTD);
+ if (dst_size >= 0 && (uint32_t)dst_size < smolv.size()) {
+ f->store_32(2); //compressed zstd
+ f->store_32(smolv.size()); //size of smolv buffer
+ f->store_32(dst_size); //size of smolv buffer
+ f->store_buffer(zstd.ptr(), dst_size); //smolv buffer
+ } else {
+ compress_zstd = false;
+ }
+ }
+
+ if (!compress_zstd) {
+ f->store_32(1); //compressed
+ f->store_32(smolv.size()); //size of smolv buffer
+ f->store_buffer(&smolv[0], smolv.size()); //smolv buffer
+ }
+ save_uncompressed = false;
+ }
+ }
+
+ if (save_uncompressed) {
+ f->store_32(0); //uncompressed
+ f->store_32(spirv.size()); //stage count
+ f->store_buffer(spirv.ptr(), spirv.size()); //stage count
+ }
+ }
+ }
+
+ f->close();
+}
+
void ShaderRD::_compile_version(Version *p_version) {
_clear_version(p_version);
@@ -320,6 +531,15 @@ void ShaderRD::_compile_version(Version *p_version) {
p_version->dirty = false;
p_version->variants = memnew_arr(RID, variant_defines.size());
+ typedef Vector<RD::ShaderStageData> ShaderStageArray;
+ p_version->variant_stages = memnew_arr(ShaderStageArray, variant_defines.size());
+
+ if (shader_cache_dir_valid) {
+ if (_load_from_cache(p_version)) {
+ return;
+ }
+ }
+
#if 1
RendererThreadPool::singleton->thread_work_pool.do_work(variant_defines.size(), this, &ShaderRD::_compile_variant, p_version);
@@ -351,10 +571,20 @@ void ShaderRD::_compile_version(Version *p_version) {
}
}
memdelete_arr(p_version->variants);
+ if (p_version->variant_stages) {
+ memdelete_arr(p_version->variant_stages);
+ }
p_version->variants = nullptr;
+ p_version->variant_stages = nullptr;
return;
+ } else if (shader_cache_dir_valid) {
+ //save shader cache
+ _save_to_cache(p_version);
}
+ memdelete_arr(p_version->variant_stages); //clear stages
+ p_version->variant_stages = nullptr;
+
p_version->valid = true;
}
@@ -443,6 +673,8 @@ bool ShaderRD::is_variant_enabled(int p_variant) const {
return variants_enabled[p_variant];
}
+bool ShaderRD::shader_cache_cleanup_on_start = false;
+
ShaderRD::ShaderRD() {
// Do not feel forced to use this, in most cases it makes little to no difference.
bool use_32_threads = false;
@@ -469,8 +701,64 @@ void ShaderRD::initialize(const Vector<String> &p_variant_defines, const String
variant_defines.push_back(p_variant_defines[i].utf8());
variants_enabled.push_back(true);
}
+
+ if (shader_cache_dir != String()) {
+ StringBuilder hash_build;
+
+ hash_build.append("[base_hash]");
+ hash_build.append(base_sha256);
+ hash_build.append("[general_defines]");
+ hash_build.append(general_defines.get_data());
+ for (int i = 0; i < variant_defines.size(); i++) {
+ hash_build.append("[variant_defines:" + itos(i) + "]");
+ hash_build.append(variant_defines[i].get_data());
+ }
+
+ base_sha256 = hash_build.as_string().sha256_text();
+
+ DirAccessRef d = DirAccess::open(shader_cache_dir);
+ ERR_FAIL_COND(!d);
+ if (d->change_dir(name) != OK) {
+ Error err = d->make_dir(name);
+ ERR_FAIL_COND(err != OK);
+ d->change_dir(name);
+ }
+
+ //erase other versions?
+ if (shader_cache_cleanup_on_start) {
+ }
+ //
+ if (d->change_dir(base_sha256) != OK) {
+ Error err = d->make_dir(base_sha256);
+ ERR_FAIL_COND(err != OK);
+ }
+ shader_cache_dir_valid = true;
+
+ print_verbose("Shader '" + name + "' SHA256: " + base_sha256);
+ }
+}
+
+void ShaderRD::set_shader_cache_dir(const String &p_dir) {
+ shader_cache_dir = p_dir;
+}
+
+void ShaderRD::set_shader_cache_save_compressed(bool p_enable) {
+ shader_cache_save_compressed = p_enable;
}
+void ShaderRD::set_shader_cache_save_compressed_zstd(bool p_enable) {
+ shader_cache_save_compressed_zstd = p_enable;
+}
+
+void ShaderRD::set_shader_cache_save_debug(bool p_enable) {
+ shader_cache_save_debug = p_enable;
+}
+
+String ShaderRD::shader_cache_dir;
+bool ShaderRD::shader_cache_save_compressed = true;
+bool ShaderRD::shader_cache_save_compressed_zstd = true;
+bool ShaderRD::shader_cache_save_debug = true;
+
ShaderRD::~ShaderRD() {
List<RID> remaining;
version_owner.get_owned_list(&remaining);
diff --git a/servers/rendering/renderer_rd/shader_rd.h b/servers/rendering/renderer_rd/shader_rd.h
index f20d539621..9a68e02007 100644
--- a/servers/rendering/renderer_rd/shader_rd.h
+++ b/servers/rendering/renderer_rd/shader_rd.h
@@ -59,7 +59,8 @@ class ShaderRD {
Map<StringName, CharString> code_sections;
Vector<CharString> custom_defines;
- RID *variants; //same size as version defines
+ Vector<RD::ShaderStageData> *variant_stages = nullptr;
+ RID *variants = nullptr; //same size as version defines
bool valid;
bool dirty;
@@ -96,10 +97,19 @@ class ShaderRD {
bool is_compute = false;
- const char *name;
+ String name;
CharString base_compute_defines;
+ String base_sha256;
+
+ static String shader_cache_dir;
+ static bool shader_cache_cleanup_on_start;
+ static bool shader_cache_save_compressed;
+ static bool shader_cache_save_compressed_zstd;
+ static bool shader_cache_save_debug;
+ bool shader_cache_dir_valid = false;
+
enum StageType {
STAGE_TYPE_VERTEX,
STAGE_TYPE_FRAGMENT,
@@ -113,6 +123,10 @@ class ShaderRD {
void _add_stage(const char *p_code, StageType p_stage_type);
+ String _version_get_sha1(Version *p_version) const;
+ bool _load_from_cache(Version *p_version);
+ void _save_to_cache(Version *p_version);
+
protected:
ShaderRD();
void setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_compute_code, const char *p_name);
@@ -148,6 +162,11 @@ public:
void set_variant_enabled(int p_variant, bool p_enabled);
bool is_variant_enabled(int p_variant) const;
+ static void set_shader_cache_dir(const String &p_dir);
+ static void set_shader_cache_save_compressed(bool p_enable);
+ static void set_shader_cache_save_compressed_zstd(bool p_enable);
+ static void set_shader_cache_save_debug(bool p_enable);
+
RS::ShaderNativeSourceCode version_get_native_source_code(RID p_version);
void initialize(const Vector<String> &p_variant_defines, const String &p_general_defines = "");
diff --git a/servers/rendering/rendering_device.cpp b/servers/rendering/rendering_device.cpp
index e6ad001807..056cec4c1f 100644
--- a/servers/rendering/rendering_device.cpp
+++ b/servers/rendering/rendering_device.cpp
@@ -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());
diff --git a/servers/rendering/rendering_device.h b/servers/rendering/rendering_device.h
index 27bded9810..4dcb9b963e 100644
--- a/servers/rendering/rendering_device.h
+++ b/servers/rendering/rendering_device.h
@@ -103,12 +103,14 @@ public:
bool supports_multiview = false; // If true this device supports multiview options
};
+ typedef String (*ShaderGetCacheKeyFunction)(const Capabilities *p_capabilities);
typedef Vector<uint8_t> (*ShaderCompileFunction)(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language, String *r_error, const Capabilities *p_capabilities);
typedef Vector<uint8_t> (*ShaderCacheFunction)(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language);
private:
static ShaderCompileFunction compile_function;
static ShaderCacheFunction cache_function;
+ static ShaderGetCacheKeyFunction get_cache_key_function;
static RenderingDevice *singleton;
@@ -635,9 +637,11 @@ public:
const Capabilities *get_device_capabilities() const { return &device_capabilities; };
virtual Vector<uint8_t> shader_compile_from_source(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language = SHADER_LANGUAGE_GLSL, String *r_error = nullptr, bool p_allow_cache = true);
+ virtual String shader_get_cache_key() const;
static void shader_set_compile_function(ShaderCompileFunction p_function);
static void shader_set_cache_function(ShaderCacheFunction p_function);
+ static void shader_set_get_cache_key_function(ShaderGetCacheKeyFunction p_function);
struct ShaderStageData {
ShaderStage shader_stage;
diff --git a/servers/rendering_server.cpp b/servers/rendering_server.cpp
index a9601fd661..4741e90a81 100644
--- a/servers/rendering_server.cpp
+++ b/servers/rendering_server.cpp
@@ -2306,6 +2306,12 @@ RenderingServer::RenderingServer() {
"rendering/vulkan/rendering/back_end",
PROPERTY_HINT_ENUM, "ForwardClustered,ForwardMobile"));
+ 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);
+ GLOBAL_DEF("rendering/shader_compiler/shader_cache/strip_debug", false);
+ GLOBAL_DEF("rendering/shader_compiler/shader_cache/strip_debug.release", true);
+
GLOBAL_DEF("rendering/reflections/sky_reflections/roughness_layers", 8);
GLOBAL_DEF("rendering/reflections/sky_reflections/texture_array_reflections", true);
GLOBAL_DEF("rendering/reflections/sky_reflections/texture_array_reflections.mobile", false);