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-rw-r--r--src/gallium/drivers/vc4/vc4_reorder_uniforms.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/src/gallium/drivers/vc4/vc4_reorder_uniforms.c b/src/gallium/drivers/vc4/vc4_reorder_uniforms.c
index 7f11fba2340..85a0c95e851 100644
--- a/src/gallium/drivers/vc4/vc4_reorder_uniforms.c
+++ b/src/gallium/drivers/vc4/vc4_reorder_uniforms.c
@@ -44,18 +44,28 @@ qir_reorder_uniforms(struct vc4_compile *c)
uint32_t next_uniform = 0;
list_for_each_entry(struct qinst, inst, &c->instructions, link) {
+ uint32_t new = ~0;
+
for (int i = 0; i < qir_get_op_nsrc(inst->op); i++) {
if (inst->src[i].file != QFILE_UNIF)
continue;
- uint32_t new = next_uniform++;
- if (uniform_index_size <= new) {
- uniform_index_size =
- MAX2(uniform_index_size * 2, 16);
- uniform_index =
- realloc(uniform_index,
- uniform_index_size *
- sizeof(uint32_t));
+ if (new == ~0) {
+ new = next_uniform++;
+ if (uniform_index_size <= new) {
+ uniform_index_size =
+ MAX2(uniform_index_size * 2, 16);
+ uniform_index =
+ realloc(uniform_index,
+ uniform_index_size *
+ sizeof(uint32_t));
+ }
+ } else {
+ /* If we've got two uniform references in this
+ * instruction, they need to be the same
+ * uniform value.
+ */
+ assert(inst->src[i].index == uniform_index[new]);
}
uniform_index[new] = inst->src[i].index;