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-rw-r--r--src/mesa/shader/slang/slang_builtin.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index 154609c26e..289d94644f 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -111,10 +111,9 @@ lookup_statevar(const char *var, GLint index1, GLint index2, const char *field,
if (isMatrix) {
if (tokens[0] == STATE_TEXTURE_MATRIX) {
- if (index1 >= 0) {
- tokens[1] = index1; /* which texture matrix */
- index1 = 0; /* prevent extra addition at end of function */
- }
+ /* texture_matrix[index1][index2] */
+ tokens[1] = index1 >= 0 ? index1 : 0; /* which texture matrix */
+ index1 = index2; /* move matrix row value to index1 */
}
if (index1 < 0) {
/* index1 is unused: prevent extra addition at end of function */
@@ -682,7 +681,9 @@ _slang_alloc_statevar(slang_ir_node *n,
if (n->Opcode == IR_ELEMENT) {
/* XXX can only handle constant indexes for now */
if (n->Children[1]->Opcode == IR_FLOAT) {
- index2 = (GLint) n->Children[1]->Value[0];
+ /* two-dimensional array index: mat[i][j] */
+ index2 = index1;
+ index1 = (GLint) n->Children[1]->Value[0];
}
else {
*direct = GL_FALSE;