diff options
| -rw-r--r-- | src/gallium/drivers/freedreno/a4xx/fd4_program.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_program.c b/src/gallium/drivers/freedreno/a4xx/fd4_program.c index 4396383eef9..9dc4ebbf086 100644 --- a/src/gallium/drivers/freedreno/a4xx/fd4_program.c +++ b/src/gallium/drivers/freedreno/a4xx/fd4_program.c @@ -229,6 +229,13 @@ fd4_program_emit(struct fd_ringbuffer *ring, struct fd4_emit *emit, constmode = 1; pos_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_POS); + if (pos_regid == regid(63, 0)) { + /* hw dislikes when there is no position output, which can + * happen for transform-feedback vertex shaders. Just tell + * the hw to use r0.x, with whatever random value is there: + */ + pos_regid = regid(0, 0); + } posz_regid = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DEPTH); psize_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_PSIZ); if (s[FS].v->color0_mrt) { |