diff options
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 8ff9abd5ed9..dfc7a3f666b 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -633,31 +633,23 @@ void radeon_llvm_emit_prepare_cube_coords( coords[1] = coords[0]; coords[0] = coords[3]; - /* all cases except simple cube map sampling require special handling - * for coord vector */ - if (target != TGSI_TEXTURE_CUBE || - opcode != TGSI_OPCODE_TEX) { - + if (target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { /* for cube arrays coord.z = coord.w(array_index) * 8 + face */ - if (target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { - - /* coords_arg.w component - array_index for cube arrays or - * compare value for SHADOWCUBE */ - coords[2] = lp_build_emit_llvm_ternary(bld_base, TGSI_OPCODE_MAD, - coords_arg[3], lp_build_const_float(gallivm, 8.0), coords[2]); - } + /* coords_arg.w component - array_index for cube arrays */ + coords[2] = lp_build_emit_llvm_ternary(bld_base, TGSI_OPCODE_MAD, + coords_arg[3], lp_build_const_float(gallivm, 8.0), coords[2]); + } - /* for instructions that need additional src (compare/lod/bias), - * put it in coord.w */ - if (opcode == TGSI_OPCODE_TEX2 || - opcode == TGSI_OPCODE_TXB2 || - opcode == TGSI_OPCODE_TXL2) { - coords[3] = coords_arg[4]; - } else if (opcode == TGSI_OPCODE_TXB || - opcode == TGSI_OPCODE_TXL) { - coords[3] = coords_arg[3]; - } + /* Preserve compare/lod/bias. Put it in coords.w. */ + if (opcode == TGSI_OPCODE_TEX2 || + opcode == TGSI_OPCODE_TXB2 || + opcode == TGSI_OPCODE_TXL2) { + coords[3] = coords_arg[4]; + } else if (opcode == TGSI_OPCODE_TXB || + opcode == TGSI_OPCODE_TXL || + target == TGSI_TEXTURE_SHADOWCUBE) { + coords[3] = coords_arg[3]; } memcpy(coords_arg, coords, sizeof(coords)); |