lux/citra
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/citra.git synced 2024-11-24 13:33:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use ReadBlockUnsafe on TIC and TSC reading

Browse source 
Use ReadBlockUnsafe on TIC and TSC reading as memory is never flushed
from host GPU there.
This commit is contained in:
Fernando Sahmkow 2019-04-15 23:05:05 -04:00 committed by FernandoS27
parent 367704aa82
commit ef381e6924
2 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/video_core/engines/maxwell_3d.cpp
View file

@ -418,7 +418,7 @@ Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {
const GPUVAddr tic_address_gpu{regs.tic.TICAddress() + tic_index * sizeof(Texture::TICEntry)};
Texture::TICEntry tic_entry;
memory_manager.ReadBlock(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
memory_manager.ReadBlockUnsafe(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
ASSERT_MSG(tic_entry.header_version == Texture::TICHeaderVersion::BlockLinear ||
tic_entry.header_version == Texture::TICHeaderVersion::Pitch,
@ -439,7 +439,7 @@ Texture::TSCEntry Maxwell3D::GetTSCEntry(u32 tsc_index) const {
const GPUVAddr tsc_address_gpu{regs.tsc.TSCAddress() + tsc_index * sizeof(Texture::TSCEntry)};
Texture::TSCEntry tsc_entry;
memory_manager.ReadBlock(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
memory_manager.ReadBlockUnsafe(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
return tsc_entry;
}

2
src/video_core/memory_manager.cpp
View file

@ -234,6 +234,7 @@ void MemoryManager::ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, std::s
while (remaining_size > 0) {
const std::size_t copy_amount{
std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
const u8* src_ptr{page_table.pointers[page_index] + page_offset};
std::memcpy(dest_buffer, src_ptr, copy_amount);
page_index++;
page_offset = 0;
@ -277,6 +278,7 @@ void MemoryManager::WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer,
while (remaining_size > 0) {
const std::size_t copy_amount{
std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
u8* dest_ptr{page_table.pointers[page_index] + page_offset};
std::memcpy(dest_ptr, src_buffer, copy_amount);
page_index++;
page_offset = 0;