178 lines
6 KiB
C++
178 lines
6 KiB
C++
/*************************************************************************/
|
|
/* shader_rd.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SHADER_RD_H
|
|
#define SHADER_RD_H
|
|
|
|
#include "core/os/mutex.h"
|
|
#include "core/string/string_builder.h"
|
|
#include "core/templates/hash_map.h"
|
|
#include "core/templates/local_vector.h"
|
|
#include "core/templates/map.h"
|
|
#include "core/templates/rid_owner.h"
|
|
#include "core/variant/variant.h"
|
|
#include "servers/rendering_server.h"
|
|
|
|
#include <stdio.h>
|
|
/**
|
|
@author Juan Linietsky <reduzio@gmail.com>
|
|
*/
|
|
|
|
class ShaderRD {
|
|
//versions
|
|
CharString general_defines;
|
|
Vector<CharString> variant_defines;
|
|
Vector<bool> variants_enabled;
|
|
|
|
struct Version {
|
|
CharString uniforms;
|
|
CharString vertex_globals;
|
|
CharString compute_globals;
|
|
CharString fragment_globals;
|
|
Map<StringName, CharString> code_sections;
|
|
Vector<CharString> custom_defines;
|
|
|
|
Vector<uint8_t> *variant_data = nullptr;
|
|
RID *variants = nullptr; //same size as version defines
|
|
|
|
bool valid;
|
|
bool dirty;
|
|
bool initialize_needed;
|
|
};
|
|
|
|
Mutex variant_set_mutex;
|
|
|
|
void _compile_variant(uint32_t p_variant, Version *p_version);
|
|
|
|
void _clear_version(Version *p_version);
|
|
void _compile_version(Version *p_version);
|
|
|
|
RID_Owner<Version> version_owner;
|
|
|
|
struct StageTemplate {
|
|
struct Chunk {
|
|
enum Type {
|
|
TYPE_VERSION_DEFINES,
|
|
TYPE_MATERIAL_UNIFORMS,
|
|
TYPE_VERTEX_GLOBALS,
|
|
TYPE_FRAGMENT_GLOBALS,
|
|
TYPE_COMPUTE_GLOBALS,
|
|
TYPE_CODE,
|
|
TYPE_TEXT
|
|
};
|
|
|
|
Type type;
|
|
StringName code;
|
|
CharString text;
|
|
};
|
|
LocalVector<Chunk> chunks;
|
|
};
|
|
|
|
bool is_compute = false;
|
|
|
|
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,
|
|
STAGE_TYPE_COMPUTE,
|
|
STAGE_TYPE_MAX,
|
|
};
|
|
|
|
StageTemplate stage_templates[STAGE_TYPE_MAX];
|
|
|
|
void _build_variant_code(StringBuilder &p_builder, uint32_t p_variant, const Version *p_version, const StageTemplate &p_template);
|
|
|
|
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);
|
|
|
|
public:
|
|
RID version_create();
|
|
|
|
void version_set_code(RID p_version, const Map<String, String> &p_code, const String &p_uniforms, const String &p_vertex_globals, const String &p_fragment_globals, const Vector<String> &p_custom_defines);
|
|
void version_set_compute_code(RID p_version, const Map<String, String> &p_code, const String &p_uniforms, const String &p_compute_globals, const Vector<String> &p_custom_defines);
|
|
|
|
_FORCE_INLINE_ RID version_get_shader(RID p_version, int p_variant) {
|
|
ERR_FAIL_INDEX_V(p_variant, variant_defines.size(), RID());
|
|
ERR_FAIL_COND_V(!variants_enabled[p_variant], RID());
|
|
|
|
Version *version = version_owner.getornull(p_version);
|
|
if (!version) {
|
|
return RID();
|
|
}
|
|
|
|
if (version->dirty) {
|
|
_compile_version(version);
|
|
}
|
|
|
|
if (!version->valid) {
|
|
return RID();
|
|
}
|
|
|
|
return version->variants[p_variant];
|
|
}
|
|
|
|
bool version_is_valid(RID p_version);
|
|
|
|
bool version_free(RID p_version);
|
|
|
|
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 = "");
|
|
virtual ~ShaderRD();
|
|
};
|
|
|
|
#endif
|