From BDW PRM, Volume 6: Command Stream Programming, 'Render Command Header Format'.
Signed-off-by: Jordan Justen <[email protected]> --- src/intel/common/gen_decoder.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c index 1ae78c88e3f..1244f4c4480 100644 --- a/src/intel/common/gen_decoder.c +++ b/src/intel/common/gen_decoder.c @@ -697,8 +697,16 @@ gen_group_get_length(struct gen_group *group, const uint32_t *p) return field(h, 0, 7) + 2; case 1: return 1; - case 2: - return 2; + case 2: { + uint32_t opcode = field(h, 24, 26); + assert(opcode < 3 /* 3 and above currently reserved */); + if (opcode == 0) + return field(h, 0, 7) + 2; + else if (opcode < 3) + return field(h, 0, 15) + 2; + else + return 1; /* FIXME: if more opcodes are added */ + } case 3: return field(h, 0, 7) + 2; } -- 2.11.0 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
