yuzu/yuzu-mainline
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu-mainline.git synced 2024-12-24 19:05:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1272 from Subv/dma_2d

Browse source 
GPU/DMA: Partially implemented the 'enable_2d' bit in the DMA engine.
This commit is contained in:
bunnei 2018-09-09 19:53:17 -04:00 committed by GitHub
parent fcf81147e7 fdb199290b
commit 223ddb2008
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/video_core/engines/maxwell_dma.cpp
View file

@ -41,7 +41,6 @@ void MaxwellDMA::HandleCopy() {
// TODO(Subv): Perform more research and implement all features of this engine. // TODO(Subv): Perform more research and implement all features of this engine.
ASSERT(regs.exec.enable_swizzle == 0); ASSERT(regs.exec.enable_swizzle == 0);
ASSERT(regs.exec.enable_2d == 1);
ASSERT(regs.exec.query_mode == Regs::QueryMode::None); ASSERT(regs.exec.query_mode == Regs::QueryMode::None);
ASSERT(regs.exec.query_intr == Regs::QueryIntr::None); ASSERT(regs.exec.query_intr == Regs::QueryIntr::None);
ASSERT(regs.exec.copy_mode == Regs::CopyMode::Unk2); ASSERT(regs.exec.copy_mode == Regs::CopyMode::Unk2);
@ -51,10 +50,19 @@ void MaxwellDMA::HandleCopy() {
ASSERT(regs.dst_params.pos_y == 0); ASSERT(regs.dst_params.pos_y == 0);
if (regs.exec.is_dst_linear == regs.exec.is_src_linear) { if (regs.exec.is_dst_linear == regs.exec.is_src_linear) {
Memory::CopyBlock(dest_cpu, source_cpu, regs.x_count * regs.y_count); size_t copy_size = regs.x_count;
// When the enable_2d bit is disabled, the copy is performed as if we were copying a 1D
// buffer of length `x_count`, otherwise we copy a 2D buffer of size (x_count, y_count).
if (regs.exec.enable_2d) {
copy_size = copy_size * regs.y_count;
}
Memory::CopyBlock(dest_cpu, source_cpu, copy_size);
return; return;
} }
ASSERT(regs.exec.enable_2d == 1);
u8* src_buffer = Memory::GetPointer(source_cpu); u8* src_buffer = Memory::GetPointer(source_cpu);
u8* dst_buffer = Memory::GetPointer(dest_cpu); u8* dst_buffer = Memory::GetPointer(dest_cpu);