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authorBrian Paul <brian.paul@tungstengraphics.com>2008-08-05 20:12:50 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-08-05 20:57:17 -0600
commit6b888a10d37f43feae272d0927d087916e9e3c0d (patch)
treeb80e44117439a1d1c29bc5149c61a5747165cc98 /src
parentbf3040d4767702f09e042c58f0f5aa942ddb9a16 (diff)
mesa: glsl: additional type checking for assignments, inequalities
Diffstat (limited to 'src')
-rw-r--r--src/mesa/shader/slang/slang_codegen.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 036196a8d2..94497cd833 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -2889,6 +2889,10 @@ _slang_assignment_compatible(slang_assemble_ctx *A,
t0.spec._struct->a_name != t1.spec._struct->a_name)
return GL_FALSE;
+ if (t0.spec.type == SLANG_SPEC_FLOAT &&
+ t1.spec.type == SLANG_SPEC_BOOL)
+ return GL_FALSE;
+
#if 0 /* not used just yet - causes problems elsewhere */
if (t0.spec.type == SLANG_SPEC_INT &&
t1.spec.type == SLANG_SPEC_FLOAT)
@@ -3237,6 +3241,18 @@ _slang_gen_compare(slang_assemble_ctx *A, slang_operation *oper,
return NULL;
}
+ if (oper->type != SLANG_OPER_EQUAL &&
+ oper->type != SLANG_OPER_NOTEQUAL) {
+ /* <, <=, >, >= can only be used with scalars */
+ if ((t0.spec.type != SLANG_SPEC_INT &&
+ t0.spec.type != SLANG_SPEC_FLOAT) ||
+ (t1.spec.type != SLANG_SPEC_INT &&
+ t1.spec.type != SLANG_SPEC_FLOAT)) {
+ slang_info_log_error(A->log, "Illegal type(s) for inequality operator");
+ return NULL;
+ }
+ }
+
n = new_node2(opcode,
_slang_gen_operation(A, &oper->children[0]),
_slang_gen_operation(A, &oper->children[1]));