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-- Parse logs from https://github.com/freedreno/freedreno/
-- test-texturator.c to generate a src/freedreno/fdl/fd6_layout_test.c
-- block. We figure out the offsets from blits, but there may be some
-- unrelated blits. So just save all of them until we find the
-- texture state. This gives us the base address, and the miplevel #0
-- width/height/depth. Then work backwards from there finding the
-- blits to the same dst buffer and deducing the miplevel from the
-- minified dimensions
local posix = require "posix"
io.write("Analyzing Data...\n")
local r = rnn.init("a630")
local found_tex = 0
local allblits = {}
local nallblits = 0
function get_first_blit(base, width, height)
local first_blit = nil
for n = 0,nallblits-1 do
local blit = allblits[n]
if blit.base == base and blit.width == width and blit.height == height then
if not first_blit or blit.addr < first_blit.addr then
first_blit = blit
end
end
end
return first_blit
end
function minify(val, lvls)
val = val >> lvls
if val < 1 then
return 1
end
return val
end
function printf(fmt, ...)
return io.write(string.format(fmt, ...))
end
function start_cmdstream(name)
io.write("Parsing " .. name .. "\n")
allblits = {}
nallblits = 0
end
function draw(primtype, nindx)
if primtype ~= "BLIT_OP_SCALE" then
return
end
-- Just in case, filter out anything that isn't starting
-- at 0,0
if r.GRAS_2D_DST_TL.X ~= 0 or r.GRAS_2D_DST_TL.Y ~= 0 then
return
end
local blit = {}
blit.width = r.GRAS_2D_DST_BR.X + 1
blit.height = r.GRAS_2D_DST_BR.Y + 1
blit.pitch = r.RB_2D_DST_SIZE.PITCH
blit.addr = r.RB_2D_DST_LO | (r.RB_2D_DST_HI << 32)
blit.base = bos.base(blit.addr)
blit.ubwc_addr = r.RB_2D_DST_FLAGS_LO | (r.RB_2D_DST_FLAGS_HI << 32)
blit.ubwc_base = bos.base(blit.uwbc_addr)
blit.ubwc_pitch = r.RB_2D_DST_FLAGS_PITCH.PITCH
blit.endaddr = 0 -- filled in later
printf("Found blit: 0x%x (0x%x) %dx%d UBWC 0x%x (0x%x)\n", blit.addr, blit.base, blit.width, blit.height, blit.ubwc_addr, blit.ubwc_base)
allblits[nallblits] = blit
nallblits = nallblits + 1
end
function A6XX_TEX_CONST(pkt, size)
-- ignore any texture state w/ DEPTH=1, these aren't the 3d tex state we
-- are looking for
local base = pkt[4].BASE_LO | (pkt[5].BASE_HI << 32)
local ubwc_base = pkt[7].FLAG_LO | (pkt[8].FLAG_HI << 32)
local width0 = pkt[1].WIDTH
local height0 = pkt[1].HEIGHT
local depth0 = pkt[5].DEPTH
if (found_tex ~= 0) then
return
end
found_tex = 1
printf("Found texture state:\n %ux%ux%u (%s, %s, MIN_LAYERSZ=0x%x, TILE_ALL=%s, UBWC=%s FLAG_LOG2=%ux%u)\n",
width0, height0, depth0, pkt[0].FMT, pkt[0].TILE_MODE, pkt[3].MIN_LAYERSZ, tostring(pkt[3].TILE_ALL), tostring(pkt[3].FLAG), pkt[10].FLAG_BUFFER_LOGW, pkt[10].FLAG_BUFFER_LOGH)
-- Note that in some case the texture has some extra page or so
-- at the beginning:
local basebase = bos.base(base)
printf("base: 0x%x (0x%x)\n", base, basebase)
printf("ubwcbase: 0x%x (0x%x)\n", ubwc_base, bos.base(ubwc_base))
-- see if we can find the associated blits.. The blob always seems to
-- start from the lower (larger) mipmap levels and layers, so we don't
-- need to sort by dst address. Also, while we are at it, fill in the
-- end-addr (at least for everything but the last blit)
local blits = {}
local nblits = 0
local lastblit = nil
for n = 0,nallblits-1 do
local blit = allblits[n]
--printf("blit addr: 0x%x (0x%x)\n", blit.addr, blit.base)
if blit.base == basebase and blit.addr >= base then
blits[nblits] = blit
nblits = nblits + 1
if lastblit then
lastblit.endaddr = blit.addr
end
lastblit = blit
end
end
printf(" {\n")
printf(" .format = %s,\n", pkt[0].FMT)
if (tostring(pkt[2].TYPE) == "A6XX_TEX_3D") then
printf(" .is_3d = true,\n")
end
printf(" .layout = {\n")
printf(" .tile_mode = %s,\n", pkt[0].TILE_MODE)
printf(" .ubwc = %s,\n", tostring(pkt[3].FLAG))
if (tostring(pkt[2].TYPE) == "A6XX_TEX_3D") then
printf(" .width0 = %d, .height0 = %d, .depth = %d,\n", width0, height0, depth0)
else
printf(" .width0 = %d, .height0 = %d,\n", width0, height0)
end
printf(" .slices = {\n")
local w = 0
local h = 0
local level = 0
repeat
local w = minify(width0, level)
local h = minify(height0, level)
local blit = get_first_blit(basebase, w, h)
if blit then
printf(" { .offset = %d, .pitch = %u },\n",
blit.addr - base,
blit.pitch);
end
level = level + 1
until w == 1 and h == 1
printf(" },\n")
if pkt[3].FLAG then
printf(" .ubwc_slices = {\n")
level = 0
repeat
local w = minify(width0, level)
local h = minify(height0, level)
local blit = get_first_blit(basebase, w, h)
if blit then
printf(" { .offset = %d, .pitch = %u },\n",
blit.ubwc_addr - ubwc_base,
blit.ubwc_pitch);
end
level = level + 1
until w == 1 and h == 1
printf(" },\n")
end
printf(" },\n")
printf(" },\n")
printf("\n\n")
end
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