northern-lighthouse/godot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Optimize a code generation of visual shader particles

Browse Source
This commit is contained in:
Yuri Rubinsky
2022-12-11 10:45:05 +03:00
parent a4131b61b1
commit bd08f89fd2
2 changed files with 77 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
scene/resources/visual_shader.cpp
View File

@ -2066,10 +2066,9 @@ Error VisualShader::_write_node(Type type, StringBuilder *p_global_code, StringB
}
if (!node_code.is_empty()) {
r_code += "\n";
r_code += "\n\n";
}
r_code += "\n"; //
r_processed.insert(p_node);
return OK;
@ -2366,71 +2365,62 @@ void VisualShader::_update_shader() const {
String global_compute_code;
if (shader_mode == Shader::MODE_PARTICLES) {
bool has_start = !code_map[TYPE_START].is_empty();
bool has_start_custom = !code_map[TYPE_START_CUSTOM].is_empty();
bool has_process = !code_map[TYPE_PROCESS].is_empty();
bool has_process_custom = !code_map[TYPE_PROCESS_CUSTOM].is_empty();
bool has_collide = !code_map[TYPE_COLLIDE].is_empty();
shader_code += "void start() {\n";
if (has_start || has_start_custom) {
shader_code += " uint __seed = __hash(NUMBER + uint(1) + RANDOM_SEED);\n";
shader_code += " vec3 __diff = TRANSFORM[3].xyz - EMISSION_TRANSFORM[3].xyz;\n";
shader_code += " float __radians;\n";
shader_code += " vec3 __vec3_buff1;\n";
shader_code += " vec3 __vec3_buff2;\n";
shader_code += " float __scalar_buff1;\n";
shader_code += " float __scalar_buff2;\n";
shader_code += " int __scalar_ibuff;\n";
shader_code += " vec4 __vec4_buff;\n";
shader_code += " vec3 __ndiff = normalize(__diff);\n\n";
}
if (has_start) {
shader_code += " {\n";
shader_code += code_map[TYPE_START].replace("\n ", "\n ");
shader_code += " }\n";
if (has_start_custom) {
shader_code += " \n";
}
}
shader_code += " uint __seed = __hash(NUMBER + uint(1) + RANDOM_SEED);\n";
shader_code += "\n";
shader_code += " {\n";
shader_code += code_map[TYPE_START].replace("\n ", "\n ");
shader_code += " }\n";
if (has_start_custom) {
shader_code += " \n";
shader_code += " {\n";
shader_code += code_map[TYPE_START_CUSTOM].replace("\n ", "\n ");
shader_code += " }\n";
}
shader_code += "}\n\n";
shader_code += "void process() {\n";
if (has_process || has_process_custom || has_collide) {
shader_code += "void process() {\n";
shader_code += " uint __seed = __hash(NUMBER + uint(1) + RANDOM_SEED);\n";
shader_code += " vec3 __vec3_buff1;\n";
shader_code += " vec3 __diff = TRANSFORM[3].xyz - EMISSION_TRANSFORM[3].xyz;\n";
shader_code += " vec3 __ndiff = normalize(__diff);\n\n";
}
shader_code += " {\n";
String tab = " ";
if (has_collide) {
shader_code += " if (COLLIDED) {\n\n";
shader_code += code_map[TYPE_COLLIDE].replace("\n ", "\n ");
if (has_process) {
shader_code += " } else {\n\n";
tab += " ";
shader_code += "\n";
if (has_process || has_collide) {
shader_code += " {\n";
}
String tab = " ";
if (has_collide) {
shader_code += " if (COLLIDED) {\n\n";
shader_code += code_map[TYPE_COLLIDE].replace("\n ", "\n ");
if (has_process) {
shader_code += " } else {\n\n";
tab += " ";
}
}
if (has_process) {
shader_code += code_map[TYPE_PROCESS].replace("\n ", "\n " + tab);
}
if (has_collide) {
shader_code += " }\n";
}
if (has_process || has_collide) {
shader_code += " }\n";
}
}
if (has_process) {
shader_code += code_map[TYPE_PROCESS].replace("\n ", "\n " + tab);
}
if (has_collide) {
shader_code += " }\n";
}
shader_code += " }\n";
if (has_process_custom) {
shader_code += " {\n\n";
shader_code += code_map[TYPE_PROCESS_CUSTOM].replace("\n ", "\n ");
shader_code += " }\n";
}
if (has_process_custom) {
if (has_process || has_collide) {
shader_code += " \n";
}
shader_code += " {\n";
shader_code += code_map[TYPE_PROCESS_CUSTOM].replace("\n ", "\n ");
shader_code += " }\n";
}
shader_code += "}\n\n";
shader_code += "}\n\n";
}
global_compute_code += "float __rand_from_seed(inout uint seed) {\n";
global_compute_code += " int k;\n";