diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index 7308fdd9986..1d7fc6c9b40 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -1061,14 +1061,32 @@ fs_generator::generate_discard_jump(fs_inst *inst) void fs_generator::generate_scratch_write(fs_inst *inst, struct brw_reg src) { - assert(inst->exec_size <= 16 || inst->force_writemask_all); + /* The 32-wide messages only respect the first 16-wide half of the channel + * enable signals which are replicated identically for the second group of + * 16 channels, so we cannot use them unless the write is marked + * force_writemask_all. + */ + const unsigned lower_size = inst->force_writemask_all ? inst->exec_size : + MIN2(16, inst->exec_size); + const unsigned block_size = 4 * lower_size / REG_SIZE; assert(inst->mlen != 0); - brw_MOV(p, - brw_uvec_mrf(inst->exec_size, (inst->base_mrf + 1), 0), - retype(src, BRW_REGISTER_TYPE_UD)); - brw_oword_block_write_scratch(p, brw_message_reg(inst->base_mrf), - inst->exec_size / 8, inst->offset); + brw_push_insn_state(p); + brw_set_default_exec_size(p, cvt(lower_size) - 1); + brw_set_default_compression(p, lower_size > 8); + + for (unsigned i = 0; i < inst->exec_size / lower_size; i++) { + brw_set_default_group(p, (inst->force_sechalf ? 8 : 0) + lower_size * i); + + brw_MOV(p, brw_uvec_mrf(lower_size, inst->base_mrf + 1, 0), + retype(offset(src, block_size * i), BRW_REGISTER_TYPE_UD)); + + brw_oword_block_write_scratch(p, brw_message_reg(inst->base_mrf), + block_size, + inst->offset + block_size * REG_SIZE * i); + } + + brw_pop_insn_state(p); } void |