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Use ReadBlockUnsafe on TIC and TSC reading

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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
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4
src/video_core/engines/maxwell_3d.cpp
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@ -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)}; const GPUVAddr tic_address_gpu{regs.tic.TICAddress() + tic_index * sizeof(Texture::TICEntry)};
Texture::TICEntry tic_entry; 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 || ASSERT_MSG(tic_entry.header_version == Texture::TICHeaderVersion::BlockLinear ||
tic_entry.header_version == Texture::TICHeaderVersion::Pitch, 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)}; const GPUVAddr tsc_address_gpu{regs.tsc.TSCAddress() + tsc_index * sizeof(Texture::TSCEntry)};
Texture::TSCEntry tsc_entry; 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; 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) { while (remaining_size > 0) {
const std::size_t copy_amount{ const std::size_t copy_amount{
std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)}; 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); std::memcpy(dest_buffer, src_ptr, copy_amount);
page_index++; page_index++;
page_offset = 0; page_offset = 0;
@ -277,6 +278,7 @@ void MemoryManager::WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer,
while (remaining_size > 0) { while (remaining_size > 0) {
const std::size_t copy_amount{ const std::size_t copy_amount{
std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)}; 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); std::memcpy(dest_ptr, src_buffer, copy_amount);
page_index++; page_index++;
page_offset = 0; page_offset = 0;