summaryrefslogtreecommitdiff
path: root/servers/visual/shader_language.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'servers/visual/shader_language.cpp')
-rw-r--r--servers/visual/shader_language.cpp123
1 files changed, 77 insertions, 46 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index f5c926c093..d399c548f3 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -1492,11 +1492,6 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
{ "abs", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID } },
{ "abs", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID } },
- { "abs", TYPE_UINT, { TYPE_UINT, TYPE_VOID } },
- { "abs", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID } },
- { "abs", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID } },
- { "abs", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID } },
-
{ "sign", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID } },
{ "sign", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID } },
{ "sign", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID } },
@@ -2212,6 +2207,37 @@ ShaderLanguage::DataType ShaderLanguage::get_scalar_type(DataType p_type) {
return scalar_types[p_type];
}
+int ShaderLanguage::get_cardinality(DataType p_type) {
+ static const int cardinality_table[] = {
+ 0,
+ 1,
+ 2,
+ 3,
+ 4,
+ 1,
+ 2,
+ 3,
+ 4,
+ 1,
+ 2,
+ 3,
+ 4,
+ 1,
+ 2,
+ 3,
+ 4,
+ 2,
+ 3,
+ 4,
+ 1,
+ 1,
+ 1,
+ 1,
+ };
+
+ return cardinality_table[p_type];
+}
+
bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier) {
identifier = StringName();
@@ -2682,7 +2708,6 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
return NULL;
}
- bool index_valid = false;
DataType member_type = TYPE_VOID;
switch (expr->get_datatype()) {
@@ -2701,7 +2726,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
_set_error("Only integer constants are allowed as index at the moment");
return NULL;
}
- index_valid = true;
+
switch (expr->get_datatype()) {
case TYPE_BVEC2: member_type = TYPE_BOOL; break;
case TYPE_VEC2: member_type = TYPE_FLOAT; break;
@@ -2726,7 +2751,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
_set_error("Only integer constants are allowed as index at the moment");
return NULL;
}
- index_valid = true;
+
switch (expr->get_datatype()) {
case TYPE_BVEC3: member_type = TYPE_BOOL; break;
case TYPE_VEC3: member_type = TYPE_FLOAT; break;
@@ -2750,7 +2775,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
_set_error("Only integer constants are allowed as index at the moment");
return NULL;
}
- index_valid = true;
+
switch (expr->get_datatype()) {
case TYPE_BVEC4: member_type = TYPE_BOOL; break;
case TYPE_VEC4: member_type = TYPE_FLOAT; break;
@@ -2765,11 +2790,6 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
}
}
- if (!index_valid) {
- _set_error("Invalid index");
- return NULL;
- }
-
OperatorNode *op = alloc_node<OperatorNode>();
op->op = OP_INDEX;
op->return_cache = member_type;
@@ -2971,7 +2991,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
expr_pos++;
if (expr_pos == expression.size()) {
//can happen..
- _set_error("Unexpected end of expression..");
+ _set_error("Unexpected end of expression...");
return NULL;
}
}
@@ -3008,12 +3028,12 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
} else if (is_ternary) {
if (next_op < 1 || next_op >= (expression.size() - 1)) {
- _set_error("Parser bug..");
+ _set_error("Parser bug...");
ERR_FAIL_V(NULL);
}
if (next_op + 2 >= expression.size() || !expression[next_op + 2].is_op || expression[next_op + 2].op != OP_SELECT_ELSE) {
- _set_error("Mising matching ':' for select operator");
+ _set_error("Missing matching ':' for select operator");
return NULL;
}
@@ -3044,7 +3064,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
} else {
if (next_op < 1 || next_op >= (expression.size() - 1)) {
- _set_error("Parser bug..");
+ _set_error("Parser bug...");
ERR_FAIL_V(NULL);
}
@@ -3053,7 +3073,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
if (expression[next_op - 1].is_op) {
- _set_error("Parser bug..");
+ _set_error("Parser bug...");
ERR_FAIL_V(NULL);
}
@@ -3069,7 +3089,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
// can be followed by a unary op in a valid combination,
// due to how precedence works, unaries will always disappear first
- _set_error("Parser bug..");
+ _set_error("Parser bug...");
}
op->arguments.push_back(expression[next_op - 1].node); //expression goes as left
@@ -3122,9 +3142,18 @@ ShaderLanguage::Node *ShaderLanguage::_reduce_expression(BlockNode *p_block, Sha
if (get_scalar_type(cn->datatype) == base) {
- for (int j = 0; j < cn->values.size(); j++) {
- values.push_back(cn->values[j]);
- }
+ int cardinality = get_cardinality(op->arguments[i]->get_datatype());
+ if (cn->values.size() == cardinality) {
+
+ for (int j = 0; j < cn->values.size(); j++) {
+ values.push_back(cn->values[j]);
+ }
+ } else if (cn->values.size() == 1) {
+
+ for (int j = 0; j < cardinality; j++) {
+ values.push_back(cn->values[0]);
+ }
+ } // else: should be filtered by the parser as it's an invalid constructor
} else if (get_scalar_type(cn->datatype) == cn->datatype) {
ConstantNode::Value v;
@@ -3218,7 +3247,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui
precision = get_token_precision(tk.type);
tk = _get_token();
if (!is_token_nonvoid_datatype(tk.type)) {
- _set_error("Expected datatype after precission");
+ _set_error("Expected datatype after precision");
return ERR_PARSE_ERROR;
}
}
@@ -3516,7 +3545,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui
if (!p_can_break) {
//all is good
- _set_error("Contiuning is not allowed here");
+ _set_error("Continuing is not allowed here");
}
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
@@ -3667,7 +3696,8 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
_set_error("void datatype not allowed here");
return ERR_PARSE_ERROR;
}
- if (!uniform && type < TYPE_FLOAT && type > TYPE_VEC4) { // FIXME: always false! should it be || instead?
+
+ if (!uniform && (type < TYPE_FLOAT || type > TYPE_VEC4)) {
_set_error("Invalid type for varying, only float,vec2,vec3,vec4 allowed.");
return ERR_PARSE_ERROR;
}
@@ -3702,26 +3732,6 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
//todo parse default value
tk = _get_token();
- if (tk.type == TK_OP_ASSIGN) {
-
- Node *expr = _parse_and_reduce_expression(NULL, Map<StringName, BuiltInInfo>());
- if (!expr)
- return ERR_PARSE_ERROR;
- if (expr->type != Node::TYPE_CONSTANT) {
- _set_error("Expected constant expression after '='");
- return ERR_PARSE_ERROR;
- }
-
- ConstantNode *cn = static_cast<ConstantNode *>(expr);
-
- uniform.default_value.resize(cn->values.size());
-
- if (!convert_constant(cn, uniform.type, uniform.default_value.ptrw())) {
- _set_error("Can't convert constant to " + get_datatype_name(uniform.type));
- return ERR_PARSE_ERROR;
- }
- tk = _get_token();
- }
if (tk.type == TK_COLON) {
//hint
@@ -3837,6 +3847,27 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
tk = _get_token();
}
+ if (tk.type == TK_OP_ASSIGN) {
+
+ Node *expr = _parse_and_reduce_expression(NULL, Map<StringName, BuiltInInfo>());
+ if (!expr)
+ return ERR_PARSE_ERROR;
+ if (expr->type != Node::TYPE_CONSTANT) {
+ _set_error("Expected constant expression after '='");
+ return ERR_PARSE_ERROR;
+ }
+
+ ConstantNode *cn = static_cast<ConstantNode *>(expr);
+
+ uniform.default_value.resize(cn->values.size());
+
+ if (!convert_constant(cn, uniform.type, uniform.default_value.ptrw())) {
+ _set_error("Can't convert constant to " + get_datatype_name(uniform.type));
+ return ERR_PARSE_ERROR;
+ }
+ tk = _get_token();
+ }
+
shader->uniforms[name] = uniform;
if (tk.type != TK_SEMICOLON) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 16:03:16 +0000