diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 33fe40d5e7f..8e3ea8897d0 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -1253,6 +1253,7 @@ clipmask_booli32(struct gallivm_state *gallivm, static LLVMValueRef draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, struct lp_build_tgsi_context * bld_base, + boolean is_indirect, LLVMValueRef vertex_index, LLVMValueRef attrib_index, LLVMValueRef swizzle_index) @@ -1262,13 +1263,34 @@ draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, LLVMBuilderRef builder = gallivm->builder; LLVMValueRef indices[3]; LLVMValueRef res; + struct lp_type type = bld_base->base.type; + + if (is_indirect) { + int i; + res = bld_base->base.zero; + for (i = 0; i < type.length; ++i) { + LLVMValueRef idx = lp_build_const_int32(gallivm, i); + LLVMValueRef vert_chan_index = LLVMBuildExtractElement(builder, + vertex_index, idx, ""); + LLVMValueRef channel_vec, value; + indices[0] = vert_chan_index; + indices[1] = attrib_index; + indices[2] = swizzle_index; + + channel_vec = LLVMBuildGEP(builder, gs->input, indices, 3, ""); + channel_vec = LLVMBuildLoad(builder, channel_vec, ""); + value = LLVMBuildExtractElement(builder, channel_vec, idx, ""); + + res = LLVMBuildInsertElement(builder, res, value, idx, ""); + } + } else { + indices[0] = vertex_index; + indices[1] = attrib_index; + indices[2] = swizzle_index; - indices[0] = vertex_index; - indices[1] = attrib_index; - indices[2] = swizzle_index; - - res = LLVMBuildGEP(builder, gs->input, indices, 3, ""); - res = LLVMBuildLoad(builder, res, ""); + res = LLVMBuildGEP(builder, gs->input, indices, 3, ""); + res = LLVMBuildLoad(builder, res, ""); + } return res; } |