diff options
| author | Marek Olšák <[email protected]> | 2013-10-23 16:10:38 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2013-10-25 11:55:55 +0200 |
| commit | 48784f3591a4608509ccad8c73618999765711b3 (patch) | |
| tree | 00bd7c78a8d975ebdf971f10fc14c34c380703e5 | |
| parent | 94715130e68af7cea316082dd9baf25d5b3a68bc (diff) | |
radeonsi: add the vertex shader position output if it's missing
This fixes a lockup in piglit/spec/glsl-1.40/execution/tf-no-position.
Reviewed-by: Michel Dänzer <[email protected]>
| -rw-r--r-- | src/gallium/drivers/radeonsi/radeonsi_shader.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c index 42db8ca118b..9f81a7b420b 100644 --- a/src/gallium/drivers/radeonsi/radeonsi_shader.c +++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c @@ -1076,6 +1076,19 @@ handle_semantic: if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) { unsigned pos_idx = 0; + /* We need to add the position output manually if it's missing. */ + if (!pos_args[0][0]) { + pos_args[0][0] = lp_build_const_int32(base->gallivm, 0xf); /* writemask */ + pos_args[0][1] = uint->zero; /* EXEC mask */ + pos_args[0][2] = uint->zero; /* last export? */ + pos_args[0][3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_POS); + pos_args[0][4] = uint->zero; /* COMPR flag */ + pos_args[0][5] = base->zero; /* X */ + pos_args[0][6] = base->zero; /* Y */ + pos_args[0][7] = base->zero; /* Z */ + pos_args[0][8] = base->one; /* W */ + } + for (i = 0; i < 4; i++) if (pos_args[i][0]) shader->nr_pos_exports++; |