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rsx: add vertex data base to offset and mask before translating address

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Jake 2018-03-05 21:28:52 -06:00 • committed by kd-11
commit 7233640cf0
1 changed files with 9 additions and 2 deletions
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11
rpcs3/Emu/RSX/RSXThread.cpp
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@ -89,6 +89,13 @@ namespace rsx
} }
} }
// The rsx internally adds the 'data_base_offset' and the 'vert_offset' and masks it
// before actually attempting to translate to the internal address. Seen happening heavily in R&C games
u32 get_vertex_offset_from_base(u32 vert_data_base_offset, u32 vert_base_offset)
{
return ((u64)vert_data_base_offset + vert_base_offset) & 0xFFFFFFF;
}
u32 get_vertex_type_size_on_host(vertex_base_type type, u32 size) u32 get_vertex_type_size_on_host(vertex_base_type type, u32 size)
{ {
switch (type) switch (type)
@ -997,7 +1004,7 @@ namespace rsx
gsl::span<const gsl::byte> thread::get_raw_vertex_buffer(const rsx::data_array_format_info& vertex_array_info, u32 base_offset, const std::vector<std::pair<u32, u32>>& vertex_ranges) const gsl::span<const gsl::byte> thread::get_raw_vertex_buffer(const rsx::data_array_format_info& vertex_array_info, u32 base_offset, const std::vector<std::pair<u32, u32>>& vertex_ranges) const
{ {
u32 offset = vertex_array_info.offset(); u32 offset = vertex_array_info.offset();
u32 address = base_offset + rsx::get_address(offset & 0x7fffffff, offset >> 31); u32 address = rsx::get_address(rsx::get_vertex_offset_from_base(base_offset, offset & 0x7fffffff), offset >> 31);
u32 element_size = rsx::get_vertex_type_size_on_host(vertex_array_info.type(), vertex_array_info.size()); u32 element_size = rsx::get_vertex_type_size_on_host(vertex_array_info.type(), vertex_array_info.size());
@ -1384,7 +1391,7 @@ namespace rsx
for (auto &info : result.interleaved_blocks) for (auto &info : result.interleaved_blocks)
{ {
//Calculate real data address to be used during upload //Calculate real data address to be used during upload
info.real_offset_address = state.vertex_data_base_offset() + rsx::get_address(info.base_offset, info.memory_location); info.real_offset_address = rsx::get_address(rsx::get_vertex_offset_from_base(state.vertex_data_base_offset(), info.base_offset), info.memory_location);
} }
return result; return result;