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mesa: glsl: if/while/do condition must be boolean

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This commit is contained in:
Brian Paul 2008-08-04 15:30:32 -06:00
parent f70f6e076c
commit 50ecc38545
1 changed files with 24 additions and 2 deletions
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26
src/mesa/shader/slang/slang_codegen.c
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@ -2049,6 +2049,23 @@ _slang_is_scalar_or_boolean(slang_assemble_ctx *A, slang_operation *oper)
}
/**
* Test if an operation is boolean.
*/
static GLboolean
_slang_is_boolean(slang_assemble_ctx *A, slang_operation *oper)
{
slang_typeinfo type;
GLboolean isBool;
slang_typeinfo_construct(&type);
_slang_typeof_operation(A, oper, &type);
isBool = (type.spec.type == SLANG_SPEC_BOOL);
slang_typeinfo_destruct(&type);
return isBool;
}
/**
* Generate loop code using high-level IR_LOOP instruction
*/
@ -2064,7 +2081,7 @@ _slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
GLboolean isConst, constTrue;
/* type-check expression */
if (!_slang_is_scalar_or_boolean(A, &oper->children[0])) {
if (!_slang_is_boolean(A, &oper->children[0])) {
slang_info_log_error(A->log, "scalar/boolean expression expected for 'while'");
return NULL;
}
@ -2127,7 +2144,7 @@ _slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
GLboolean isConst, constTrue;
/* type-check expression */
if (!_slang_is_scalar_or_boolean(A, &oper->children[1])) {
if (!_slang_is_boolean(A, &oper->children[1])) {
slang_info_log_error(A->log, "scalar/boolean expression expected for 'do/while'");
return NULL;
}
@ -2256,6 +2273,11 @@ _slang_gen_if(slang_assemble_ctx * A, const slang_operation *oper)
GLboolean isConst, constTrue;
/* type-check expression */
if (!_slang_is_boolean(A, &oper->children[0])) {
slang_info_log_error(A->log, "boolean expression expected for 'while'");
return NULL;
}
if (!_slang_is_scalar_or_boolean(A, &oper->children[0])) {
slang_info_log_error(A->log, "scalar/boolean expression expected for 'if'");
return NULL;