diff options
| author | Timothy Arceri <[email protected]> | 2016-05-19 15:58:51 +1000 |
|---|---|---|
| committer | Timothy Arceri <[email protected]> | 2016-07-07 10:26:43 +1000 |
| commit | a102ef2d4fd01a946f949a45115d65abb6714a5b (patch) | |
| tree | cb5871a782b3e41c2eccb7360682dc088fe077b3 /src/mesa/drivers/dri | |
| parent | 448adfbc67f4f6d0268a2f94dac311a26dc19864 (diff) | |
i965: add component packing support for gs
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 22 |
2 files changed, 19 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 4237197d8d2..1f88f8fd026 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -265,7 +265,7 @@ public: void emit_gs_thread_end(); void emit_gs_input_load(const fs_reg &dst, const nir_src &vertex_src, unsigned base_offset, const nir_src &offset_src, - unsigned num_components); + unsigned num_components, unsigned first_component); void emit_cs_terminate(); fs_reg *emit_cs_work_group_id_setup(); diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index b3f5dfd5843..eac4ec1e756 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -1997,7 +1997,8 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst, const nir_src &vertex_src, unsigned base_offset, const nir_src &offset_src, - unsigned num_components) + unsigned num_components, + unsigned first_component) { struct brw_gs_prog_data *gs_prog_data = (struct brw_gs_prog_data *) prog_data; @@ -2131,10 +2132,22 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst, for (unsigned iter = 0; iter < num_iterations; iter++) { if (offset_const) { /* Constant indexing - use global offset. */ - inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, tmp_dst, icp_handle); + if (first_component != 0) { + unsigned read_components = num_components + first_component; + fs_reg tmp = bld.vgrf(dst.type, read_components); + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, tmp, icp_handle); + inst->regs_written = read_components; + for (unsigned i = 0; i < num_components; i++) { + bld.MOV(offset(tmp_dst, bld, i), + offset(tmp, bld, i + first_component)); + } + } else { + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, tmp_dst, + icp_handle); + inst->regs_written = num_components * type_sz(tmp_dst.type) / 4; + } inst->offset = base_offset + offset_const->u32[0]; inst->mlen = 1; - inst->regs_written = num_components * type_sz(tmp_dst.type) / 4; } else { /* Indirect indexing - use per-slot offsets as well. */ const fs_reg srcs[] = { icp_handle, indirect_offset }; @@ -2896,7 +2909,8 @@ fs_visitor::nir_emit_gs_intrinsic(const fs_builder &bld, case nir_intrinsic_load_per_vertex_input: emit_gs_input_load(dest, instr->src[0], instr->const_index[0], - instr->src[1], instr->num_components); + instr->src[1], instr->num_components, + nir_intrinsic_component(instr)); break; case nir_intrinsic_emit_vertex_with_counter: |