#
# Copyright © 2020 Google, Inc.
#
# SPDX-License-Identifier: MIT
#

import argparse
import sys

#
# TODO can we do this with less boilerplate?
#
parser = argparse.ArgumentParser()
parser.add_argument('-p', '--import-path', required=True)
parser.add_argument('-C', '--src', required=True)
parser.add_argument('-H', '--hdr', required=True)
args = parser.parse_args()
sys.path.insert(0, args.import_path)


from u_trace import Header
from u_trace import Tracepoint
from u_trace import TracepointArg
from u_trace import utrace_generate

# List of the default tracepoints enabled. By default tracepoints are enabled,
# set tp_default_enabled=False to disable them by default.
fd_default_tps = []

#
# Tracepoint definitions:
#

Header('util/u_dump.h')
Header('freedreno_batch.h')


def begin_end_tp(name, args=[], tp_struct=None, tp_print=None,
                 tp_default_enabled=True):
    global fd_default_tps
    if tp_default_enabled:
        fd_default_tps.append(name)
    Tracepoint('start_{0}'.format(name),
               toggle_name=name,
               args=args,
               tp_struct=tp_struct,
               tp_perfetto='fd_start_{0}'.format(name),
               tp_print=tp_print,
               tp_markers='fd_cs_trace_start')
    Tracepoint('end_{0}'.format(name),
               toggle_name=name,
               tp_perfetto='fd_end_{0}'.format(name),
               tp_markers='fd_cs_trace_end')


def singular_tp(name, args=[], tp_struct=None, tp_print=None,
                tp_default_enabled=True):
    global fd_default_tps
    if tp_default_enabled:
        fd_default_tps.append(name)
    Tracepoint(name,
               toggle_name=name,
               args=args,
               tp_struct=tp_struct,
               tp_print=tp_print,
               tp_markers='fd_cs_trace_msg')

begin_end_tp('state_restore')

singular_tp('flush_batch',
    args=[TracepointArg(type='struct fd_batch *', var='batch',       c_format='%p'),
          TracepointArg(type='uint16_t',          var='cleared',     c_format='%x'),
          TracepointArg(type='uint16_t',          var='gmem_reason', c_format='%x'),
          TracepointArg(type='uint16_t',          var='num_draws',   c_format='%u')],
    tp_print=['%p: cleared=%x, gmem_reason=%x, num_draws=%u', '__entry->batch',
        '__entry->cleared', '__entry->gmem_reason', '__entry->num_draws'],
)

singular_tp('render_gmem',
    args=[TracepointArg(type='uint16_t', var='nbins_x', c_format='%u'),
          TracepointArg(type='uint16_t', var='nbins_y', c_format='%u'),
          TracepointArg(type='uint16_t', var='bin_w',   c_format='%u'),
          TracepointArg(type='uint16_t', var='bin_h',   c_format='%u')],
    tp_print=['%ux%u bins of %ux%u',
        '__entry->nbins_x', '__entry->nbins_y', '__entry->bin_w', '__entry->bin_h'],
)

singular_tp('render_sysmem')

# Note that this doesn't include full information about all of the MRTs
# but seems to roughly match what I see with a blob trace
begin_end_tp('render_pass',
    args=[TracepointArg(type='uint32_t',         var='submit_id',     c_format='%u'),
          TracepointArg(type='enum pipe_format', var='cbuf0_format',  c_format='%s', to_prim_type='util_format_description({})->short_name'),
          TracepointArg(type='enum pipe_format', var='zs_format',     c_format='%s', to_prim_type='util_format_description({})->short_name'),
          TracepointArg(type='uint16_t',         var='width',         c_format='%u'),
          TracepointArg(type='uint16_t',         var='height',        c_format='%u'),
          TracepointArg(type='uint8_t',          var='mrts',          c_format='%u'),
          TracepointArg(type='uint8_t',          var='samples',       c_format='%u'),
          TracepointArg(type='uint16_t',         var='nbins',         c_format='%u'),
          TracepointArg(type='uint16_t',         var='binw',          c_format='%u'),
          TracepointArg(type='uint16_t',         var='binh',          c_format='%u')],
)

begin_end_tp('binning_ib')
begin_end_tp('vsc_overflow_test')
begin_end_tp('prologue')

# Either sysmem or gmem clears
begin_end_tp('clears',
    args=[TracepointArg(type='uint16_t', var='fast_cleared', c_format='0x%x')],
    tp_print=['fast_cleared: 0x%x', '__entry->fast_cleared'],
)

begin_end_tp('tile_loads',
    args=[TracepointArg(type='uint16_t', var='load', c_format='0x%x')],
    tp_print=['load=0x%x', '__entry->load'],
)

begin_end_tp('tile_stores',
    args=[TracepointArg(type='uint16_t', var='store', c_format='0x%x')],
    tp_print=['store: 0x%x', '__entry->store'],
)

singular_tp('start_tile',
    args=[TracepointArg(type='uint16_t', var='bin_h', c_format='%u'),
          TracepointArg(type='uint16_t', var='yoff',  c_format='%u'),
          TracepointArg(type='uint16_t', var='bin_w', c_format='%u'),
          TracepointArg(type='uint16_t', var='xoff',  c_format='%u')],
    tp_print=['bin_h=%d, yoff=%d, bin_w=%d, xoff=%d',
        '__entry->bin_h', '__entry->yoff', '__entry->bin_w', '__entry->xoff'],
)

begin_end_tp('draw_ib')

begin_end_tp('blit',
    args=[TracepointArg(type='enum pipe_texture_target', var='src_target', c_format='%s', to_prim_type="util_str_tex_target({}, true)"),
          TracepointArg(type='enum pipe_texture_target', var='dst_target', c_format='%s', to_prim_type="util_str_tex_target({}, true)")],
    tp_print=['%s -> %s', 'util_str_tex_target(__entry->src_target, true)',
        'util_str_tex_target(__entry->dst_target, true)'],
)

begin_end_tp('compute',
    args=[TracepointArg(type='uint8_t',  var='indirect',     c_format='%u'),
          TracepointArg(type='uint8_t',  var='work_dim',     c_format='%u'),
          TracepointArg(type='uint16_t', var='local_size_x', c_format='%u'),
          TracepointArg(type='uint16_t', var='local_size_y', c_format='%u'),
          TracepointArg(type='uint16_t', var='local_size_z', c_format='%u'),
          TracepointArg(type='uint32_t', var='num_groups_x', c_format='%u'),
          TracepointArg(type='uint32_t', var='num_groups_y', c_format='%u'),
          TracepointArg(type='uint32_t', var='num_groups_z', c_format='%u'),
          TracepointArg(type='uint32_t', var='shader_id',    c_format='%u')]
)

utrace_generate(cpath=args.src,
                hpath=args.hdr,
                ctx_param='struct pipe_context *pctx',
                trace_toggle_name='fd_gpu_tracepoint',
                trace_toggle_defaults=fd_default_tps)