Prevent shuffling custom shader functions (shader cache requires determinism)

This commit is contained in:
Bartłomiej T. Listwon 2024-01-03 12:03:56 +01:00
parent 4c4cb12e38
commit 73793ab89c
4 changed files with 16 additions and 14 deletions

View file

@ -229,17 +229,18 @@ void ShaderCompilerGLES2::_dump_function_deps(const SL::ShaderNode *p_node, cons
ERR_FAIL_COND(fidx == -1); ERR_FAIL_COND(fidx == -1);
for (Set<StringName>::Element *E = p_node->functions[fidx].uses_function.front(); E; E = E->next()) { for (int ufidx = 0; ufidx < p_node->functions[fidx].uses_function.size(); ufidx++) {
if (r_added.has(E->get())) { StringName function_name = p_node->functions[fidx].uses_function[ufidx];
if (r_added.has(function_name)) {
continue; continue;
} }
_dump_function_deps(p_node, E->get(), p_func_code, r_to_add, r_added); _dump_function_deps(p_node, function_name, p_func_code, r_to_add, r_added);
SL::FunctionNode *fnode = nullptr; SL::FunctionNode *fnode = nullptr;
for (int i = 0; i < p_node->functions.size(); i++) { for (int i = 0; i < p_node->functions.size(); i++) {
if (p_node->functions[i].name == E->get()) { if (p_node->functions[i].name == function_name) {
fnode = p_node->functions[i].function; fnode = p_node->functions[i].function;
break; break;
} }
@ -272,9 +273,9 @@ void ShaderCompilerGLES2::_dump_function_deps(const SL::ShaderNode *p_node, cons
header += ")\n"; header += ")\n";
r_to_add += header.as_string(); r_to_add += header.as_string();
r_to_add += p_func_code[E->get()]; r_to_add += p_func_code[function_name];
r_added.insert(E->get()); r_added.insert(function_name);
} }
} }

View file

@ -354,17 +354,18 @@ void ShaderCompilerGLES3::_dump_function_deps(const SL::ShaderNode *p_node, cons
ERR_FAIL_COND(fidx == -1); ERR_FAIL_COND(fidx == -1);
for (Set<StringName>::Element *E = p_node->functions[fidx].uses_function.front(); E; E = E->next()) { for (int ufidx = 0; ufidx < p_node->functions[fidx].uses_function.size(); ufidx++) {
if (added.has(E->get())) { StringName function_name = p_node->functions[fidx].uses_function[ufidx];
if (added.has(function_name)) {
continue; //was added already continue; //was added already
} }
_dump_function_deps(p_node, E->get(), p_func_code, r_to_add, added); _dump_function_deps(p_node, function_name, p_func_code, r_to_add, added);
SL::FunctionNode *fnode = nullptr; SL::FunctionNode *fnode = nullptr;
for (int i = 0; i < p_node->functions.size(); i++) { for (int i = 0; i < p_node->functions.size(); i++) {
if (p_node->functions[i].name == E->get()) { if (p_node->functions[i].name == function_name) {
fnode = p_node->functions[i].function; fnode = p_node->functions[i].function;
break; break;
} }
@ -396,9 +397,9 @@ void ShaderCompilerGLES3::_dump_function_deps(const SL::ShaderNode *p_node, cons
header += ")\n"; header += ")\n";
r_to_add += header; r_to_add += header;
r_to_add += p_func_code[E->get()]; r_to_add += p_func_code[function_name];
added.insert(E->get()); added.insert(function_name);
} }
} }

View file

@ -3405,7 +3405,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
//add to current function as dependency //add to current function as dependency
for (int j = 0; j < shader->functions.size(); j++) { for (int j = 0; j < shader->functions.size(); j++) {
if (shader->functions[j].name == current_function) { if (shader->functions[j].name == current_function) {
shader->functions.write[j].uses_function.insert(name); shader->functions.write[j].uses_function.push_back(name);
break; break;
} }
} }

View file

@ -602,7 +602,7 @@ public:
struct Function { struct Function {
StringName name; StringName name;
FunctionNode *function; FunctionNode *function;
Set<StringName> uses_function; Vector<StringName> uses_function;
bool callable; bool callable;
}; };