diff options
| author | Dave Airlie <[email protected]> | 2017-11-13 15:40:15 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-11-14 06:16:06 +1000 |
| commit | f3f8615d76b20ad66466b172a600e06b9a833729 (patch) | |
| tree | 6f9570fcb344448d4573d8f43f4c2af8ac3d1994 | |
| parent | 50330d7115f0d5050ec3cfe6bca2b0136222e097 (diff) | |
r600: fix isoline tess factor component swapping.
As per radeonsi, the tess factor components for isolines
are reversed.
Fixes: tests/spec/arb_tessellation_shader/execution/isoline.shader_test
Cc: <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index c6e445744ed..146c26ce1a6 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -2884,6 +2884,13 @@ static int r600_emit_tess_factor(struct r600_shader_ctx *ctx) int out_idx = i >= outer_comps ? tessinner_idx : tessouter_idx; int out_comp = i >= outer_comps ? i - outer_comps : i; + if (ctx->shader->tcs_prim_mode == PIPE_PRIM_LINES) { + if (out_comp == 1) + out_comp = 0; + else if (out_comp == 0) + out_comp = 1; + } + r = single_alu_op2(ctx, ALU_OP2_ADD_INT, treg[i / 2], (2 * (i % 2)), temp_reg, 0, |