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rsx: ZCULL synchronization fixes

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- Track asynchronous operations in RSX core
- Add read barriers to force pending writes to finish.
  Fixes zcull delay flicker in all UE3 titles without forcing hard stall
- Increase zcull latency as all writes should be synchronized now
This commit is contained in:
kd-11 2018-03-13 16:34:31 +03:00
parent 315798b1f4
commit 2dce55d036
6 changed files with 87 additions and 24 deletions
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10
rpcs3/Emu/RSX/rsx_methods.cpp
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@ -689,6 +689,9 @@ namespace rsx
in_pitch = in_bpp * in_w;
}
const auto read_address = get_address(src_offset, src_dma);
rsx->read_barrier(read_address, in_pitch * in_h);
if (dst_color_format != rsx::blit_engine::transfer_destination_format::r5g6b5 &&
dst_color_format != rsx::blit_engine::transfer_destination_format::a8r8g8b8)
{
@ -933,7 +936,7 @@ namespace rsx
namespace nv0039
{
void buffer_notify(thread*, u32, u32 arg)
void buffer_notify(thread *rsx, u32, u32 arg)
{
s32 in_pitch = method_registers.nv0039_input_pitch();
s32 out_pitch = method_registers.nv0039_output_pitch();
@ -968,8 +971,11 @@ namespace rsx
u32 dst_offset = method_registers.nv0039_output_offset();
u32 dst_dma = method_registers.nv0039_output_location();
const auto read_address = get_address(src_offset, src_dma);
rsx->read_barrier(read_address, in_pitch * line_count);
u8 *dst = (u8*)vm::base(get_address(dst_offset, dst_dma));
const u8 *src = (u8*)vm::base(get_address(src_offset, src_dma));
const u8 *src = (u8*)vm::base(read_address);
if (in_pitch == out_pitch && out_pitch == line_length)
{