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path: root/drivers/gles2/shader_compiler_gles2.cpp
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Diffstat (limited to 'drivers/gles2/shader_compiler_gles2.cpp')
-rw-r--r--drivers/gles2/shader_compiler_gles2.cpp111
1 files changed, 45 insertions, 66 deletions
diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp
index d626263431..2e36de5c79 100644
--- a/drivers/gles2/shader_compiler_gles2.cpp
+++ b/drivers/gles2/shader_compiler_gles2.cpp
@@ -38,7 +38,6 @@
#define SL ShaderLanguage
static String _mktab(int p_level) {
-
String tb;
for (int i = 0; i < p_level; i++) {
tb += "\t";
@@ -48,44 +47,45 @@ static String _mktab(int p_level) {
}
static String _typestr(SL::DataType p_type) {
-
return ShaderLanguage::get_datatype_name(p_type);
}
static String _prestr(SL::DataPrecision p_pres) {
-
switch (p_pres) {
- case SL::PRECISION_LOWP: return "lowp ";
- case SL::PRECISION_MEDIUMP: return "mediump ";
- case SL::PRECISION_HIGHP: return "highp ";
- case SL::PRECISION_DEFAULT: return "";
+ case SL::PRECISION_LOWP:
+ return "lowp ";
+ case SL::PRECISION_MEDIUMP:
+ return "mediump ";
+ case SL::PRECISION_HIGHP:
+ return "highp ";
+ case SL::PRECISION_DEFAULT:
+ return "";
}
return "";
}
static String _qualstr(SL::ArgumentQualifier p_qual) {
-
switch (p_qual) {
- case SL::ARGUMENT_QUALIFIER_IN: return "in ";
- case SL::ARGUMENT_QUALIFIER_OUT: return "out ";
- case SL::ARGUMENT_QUALIFIER_INOUT: return "inout ";
+ case SL::ARGUMENT_QUALIFIER_IN:
+ return "in ";
+ case SL::ARGUMENT_QUALIFIER_OUT:
+ return "out ";
+ case SL::ARGUMENT_QUALIFIER_INOUT:
+ return "inout ";
}
return "";
}
static String _opstr(SL::Operator p_op) {
-
return SL::get_operator_text(p_op);
}
static String _mkid(const String &p_id) {
-
String id = "m_" + p_id.replace("__", "_dus_");
return id.replace("__", "_dus_"); //doubleunderscore is reserved in glsl
}
static String f2sp0(float p_float) {
-
String num = rtoss(p_float);
if (num.find(".") == -1 && num.find("e") == -1) {
num += ".0";
@@ -94,13 +94,12 @@ static String f2sp0(float p_float) {
}
static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNode::Value> &p_values) {
-
switch (p_type) {
- case SL::TYPE_BOOL: return p_values[0].boolean ? "true" : "false";
+ case SL::TYPE_BOOL:
+ return p_values[0].boolean ? "true" : "false";
case SL::TYPE_BVEC2:
case SL::TYPE_BVEC3:
case SL::TYPE_BVEC4: {
-
StringBuffer<> text;
text += "bvec";
@@ -118,11 +117,11 @@ static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNo
}
// GLSL ES 2 doesn't support uints, so we just use signed ints instead...
- case SL::TYPE_UINT: return itos(p_values[0].uint);
+ case SL::TYPE_UINT:
+ return itos(p_values[0].uint);
case SL::TYPE_UVEC2:
case SL::TYPE_UVEC3:
case SL::TYPE_UVEC4: {
-
StringBuffer<> text;
text += "ivec";
@@ -140,11 +139,11 @@ static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNo
} break;
- case SL::TYPE_INT: return itos(p_values[0].sint);
+ case SL::TYPE_INT:
+ return itos(p_values[0].sint);
case SL::TYPE_IVEC2:
case SL::TYPE_IVEC3:
case SL::TYPE_IVEC4: {
-
StringBuffer<> text;
text += "ivec";
@@ -161,11 +160,11 @@ static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNo
return text.as_string();
} break;
- case SL::TYPE_FLOAT: return f2sp0(p_values[0].real);
+ case SL::TYPE_FLOAT:
+ return f2sp0(p_values[0].real);
case SL::TYPE_VEC2:
case SL::TYPE_VEC3:
case SL::TYPE_VEC4: {
-
StringBuffer<> text;
text += "vec";
@@ -185,7 +184,6 @@ static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNo
case SL::TYPE_MAT2:
case SL::TYPE_MAT3:
case SL::TYPE_MAT4: {
-
StringBuffer<> text;
text += "mat";
@@ -202,7 +200,8 @@ static String get_constant_text(SL::DataType p_type, const Vector<SL::ConstantNo
return text.as_string();
} break;
- default: ERR_FAIL_V(String());
+ default:
+ ERR_FAIL_V(String());
}
}
@@ -219,14 +218,13 @@ void ShaderCompilerGLES2::_dump_function_deps(SL::ShaderNode *p_node, const Stri
ERR_FAIL_COND(fidx == -1);
for (Set<StringName>::Element *E = p_node->functions[fidx].uses_function.front(); E; E = E->next()) {
-
if (r_added.has(E->get())) {
continue;
}
_dump_function_deps(p_node, E->get(), p_func_code, r_to_add, r_added);
- SL::FunctionNode *fnode = NULL;
+ SL::FunctionNode *fnode = nullptr;
for (int i = 0; i < p_node->functions.size(); i++) {
if (p_node->functions[i].name == E->get()) {
@@ -264,20 +262,15 @@ void ShaderCompilerGLES2::_dump_function_deps(SL::ShaderNode *p_node, const Stri
}
}
-String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, GeneratedCode &r_gen_code, IdentifierActions &p_actions, const DefaultIdentifierActions &p_default_actions, bool p_assigning) {
-
+String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, GeneratedCode &r_gen_code, IdentifierActions &p_actions, const DefaultIdentifierActions &p_default_actions, bool p_assigning, bool p_use_scope) {
StringBuilder code;
switch (p_node->type) {
-
case SL::Node::TYPE_SHADER: {
-
SL::ShaderNode *snode = (SL::ShaderNode *)p_node;
for (int i = 0; i < snode->render_modes.size(); i++) {
-
if (p_default_actions.render_mode_defines.has(snode->render_modes[i]) && !used_rmode_defines.has(snode->render_modes[i])) {
-
r_gen_code.custom_defines.push_back(p_default_actions.render_mode_defines[snode->render_modes[i]].utf8());
used_rmode_defines.insert(snode->render_modes[i]);
}
@@ -314,7 +307,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
// structs
for (int i = 0; i < snode->vstructs.size(); i++) {
-
SL::StructNode *st = snode->vstructs[i].shader_struct;
String struct_code;
@@ -381,7 +373,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
// varyings
for (Map<StringName, SL::ShaderNode::Varying>::Element *E = snode->varyings.front(); E; E = E->next()) {
-
StringBuffer<> varying_code;
varying_code += "varying ";
@@ -404,18 +395,19 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
// constants
- for (Map<StringName, SL::ShaderNode::Constant>::Element *E = snode->constants.front(); E; E = E->next()) {
+ for (int i = 0; i < snode->vconstants.size(); i++) {
+ const SL::ShaderNode::Constant &cnode = snode->vconstants[i];
String gcode;
gcode += "const ";
- gcode += _prestr(E->get().precision);
- if (E->get().type == SL::TYPE_STRUCT) {
- gcode += _mkid(E->get().type_str);
+ gcode += _prestr(cnode.precision);
+ if (cnode.type == SL::TYPE_STRUCT) {
+ gcode += _mkid(cnode.type_str);
} else {
- gcode += _typestr(E->get().type);
+ gcode += _typestr(cnode.type);
}
- gcode += " " + _mkid(E->key());
+ gcode += " " + _mkid(String(cnode.name));
gcode += "=";
- gcode += _dump_node_code(E->get().initializer, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ gcode += _dump_node_code(cnode.initializer, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
gcode += ";\n";
vertex_global += gcode;
fragment_global += gcode;
@@ -435,7 +427,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
Set<StringName> added_fragment;
for (int i = 0; i < snode->functions.size(); i++) {
-
SL::FunctionNode *fnode = snode->functions[i].function;
current_func_name = fnode->name;
@@ -459,14 +450,11 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
} break;
case SL::Node::TYPE_STRUCT: {
-
} break;
case SL::Node::TYPE_FUNCTION: {
-
} break;
case SL::Node::TYPE_BLOCK: {
-
SL::BlockNode *bnode = (SL::BlockNode *)p_node;
if (!bnode->single_statement) {
@@ -507,7 +495,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
}
for (int i = 0; i < var_dec_node->declarations.size(); i++) {
-
if (i > 0) {
declaration += ",";
}
@@ -584,7 +571,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += ")";
} break;
case SL::Node::TYPE_ARRAY_DECLARATION: {
-
SL::ArrayDeclarationNode *arr_dec_node = (SL::ArrayDeclarationNode *)p_node;
StringBuffer<> declaration;
@@ -595,7 +581,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
declaration += _typestr(arr_dec_node->datatype);
}
for (int i = 0; i < arr_dec_node->declarations.size(); i++) {
-
if (i > 0) {
declaration += ",";
}
@@ -639,12 +624,12 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += _mkid(arr_node->name);
}
- if (arr_node->call_expression != NULL) {
+ if (arr_node->call_expression != nullptr) {
code += ".";
- code += _dump_node_code(arr_node->call_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
+ code += _dump_node_code(arr_node->call_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning, false);
}
- if (arr_node->index_expression != NULL) {
+ if (arr_node->index_expression != nullptr) {
code += "[";
code += _dump_node_code(arr_node->index_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "]";
@@ -723,7 +708,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
} else if (op_node->op == SL::OP_CONSTRUCT) {
code += var_node->name;
} else {
-
if (var_node->name == "texture") {
// emit texture call
@@ -751,9 +735,7 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
}
} else if (var_node->name == "mix") {
-
switch (op_node->arguments[3]->get_datatype()) {
-
case SL::TYPE_BVEC2: {
code += "select2";
} break;
@@ -770,7 +752,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
case SL::TYPE_VEC3:
case SL::TYPE_VEC4:
case SL::TYPE_FLOAT: {
-
code += "mix";
} break;
@@ -833,7 +814,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
} break;
case SL::OP_MOD: {
-
code += "mod(float(";
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "), float(";
@@ -842,13 +822,17 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
} break;
default: {
- code += "(";
+ if (p_use_scope) {
+ code += "(";
+ }
code += _dump_node_code(op_node->arguments[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += " ";
code += _opstr(op_node->op);
code += " ";
code += _dump_node_code(op_node->arguments[1], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
- code += ")";
+ if (p_use_scope) {
+ code += ")";
+ }
} break;
}
} break;
@@ -857,7 +841,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
SL::ControlFlowNode *cf_node = (SL::ControlFlowNode *)p_node;
if (cf_node->flow_op == SL::FLOW_OP_IF) {
-
code += _mktab(p_level);
code += "if (";
code += _dump_node_code(cf_node->expressions[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
@@ -884,7 +867,6 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += ")\n";
code += _dump_node_code(cf_node->blocks[0], p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning);
} else if (cf_node->flow_op == SL::FLOW_OP_FOR) {
-
code += _mktab(p_level);
code += "for (";
code += _dump_node_code(cf_node->blocks[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
@@ -923,7 +905,7 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
code += _dump_node_code(member_node->owner, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += ".";
code += member_node->name;
- if (member_node->index_expression != NULL) {
+ if (member_node->index_expression != nullptr) {
code += "[";
code += _dump_node_code(member_node->index_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
code += "]";
@@ -935,17 +917,15 @@ String ShaderCompilerGLES2::_dump_node_code(SL::Node *p_node, int p_level, Gener
}
Error ShaderCompilerGLES2::compile(RS::ShaderMode p_mode, const String &p_code, IdentifierActions *p_actions, const String &p_path, GeneratedCode &r_gen_code) {
-
Error err = parser.compile(p_code, ShaderTypes::get_singleton()->get_functions(p_mode), ShaderTypes::get_singleton()->get_modes(p_mode), ShaderTypes::get_singleton()->get_types());
if (err != OK) {
-
Vector<String> shader = p_code.split("\n");
for (int i = 0; i < shader.size(); i++) {
print_line(itos(i + 1) + " " + shader[i]);
}
- _err_print_error(NULL, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER);
+ _err_print_error(nullptr, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER);
return err;
}
@@ -972,7 +952,6 @@ Error ShaderCompilerGLES2::compile(RS::ShaderMode p_mode, const String &p_code,
}
ShaderCompilerGLES2::ShaderCompilerGLES2() {
-
/** CANVAS ITEM SHADER **/
actions[RS::SHADER_CANVAS_ITEM].renames["VERTEX"] = "outvec.xy";
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-06 04:38:41 +0000