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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-04-23 18:41:55 +0200 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2019-04-23 21:28:18 +0200 |
commit | b3118ee316863e1f4a35548f69bc1194bb740627 (patch) | |
tree | 59118dae69b2e490b7b7856af8ae954d9cae9891 /src/video_core/engines/maxwell_dma.cpp | |
parent | Add Swizzle Parameters to the DMA engine (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/engines/maxwell_dma.cpp | 83 |
1 files changed, 46 insertions, 37 deletions
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 2426d0067..3a5dfef0c 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -83,57 +83,66 @@ void MaxwellDMA::HandleCopy() { ASSERT(regs.exec.enable_2d == 1); - const std::size_t copy_size = regs.x_count * regs.y_count; + if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) { + ASSERT(regs.src_params.size_z == 1); + // If the input is tiled and the output is linear, deswizzle the input and copy it over. + const u32 src_bytes_per_pixel = regs.src_pitch / regs.src_params.size_x; + const std::size_t src_size = Texture::CalculateSize( + true, src_bytes_per_pixel, regs.src_params.size_x, regs.src_params.size_y, + regs.src_params.size_z, regs.src_params.BlockHeight(), regs.src_params.BlockDepth()); - auto source_ptr{memory_manager.GetPointer(source)}; - auto dst_ptr{memory_manager.GetPointer(dest)}; + const std::size_t dst_size = regs.dst_pitch * regs.y_count; - if (!source_ptr) { - LOG_ERROR(HW_GPU, "source_ptr is invalid"); - return; - } + if (read_buffer.size() < src_size) { + read_buffer.resize(src_size); + } - if (!dst_ptr) { - LOG_ERROR(HW_GPU, "dst_ptr is invalid"); - return; - } + if (write_buffer.size() < dst_size) { + write_buffer.resize(dst_size); + } - const auto FlushAndInvalidate = [&](u32 src_size, u64 dst_size) { - // TODO(Subv): For now, manually flush the regions until we implement GPU-accelerated - // copying. - rasterizer.FlushRegion(ToCacheAddr(source_ptr), src_size); + memory_manager.ReadBlock(source, read_buffer.data(), src_size); + memory_manager.ReadBlock(dest, write_buffer.data(), dst_size); - // We have to invalidate the destination region to evict any outdated surfaces from the - // cache. We do this before actually writing the new data because the destination address - // might contain a dirty surface that will have to be written back to memory. - rasterizer.InvalidateRegion(ToCacheAddr(dst_ptr), dst_size); - }; + Texture::UnswizzleSubrect(regs.x_count, regs.y_count, regs.dst_pitch, + regs.src_params.size_x, src_bytes_per_pixel, read_buffer.data(), + write_buffer.data(), regs.src_params.BlockHeight(), + regs.src_params.pos_x, regs.src_params.pos_y); - if (regs.exec.is_dst_linear && !regs.exec.is_src_linear) { - ASSERT(regs.src_params.size_z == 1); - // If the input is tiled and the output is linear, deswizzle the input and copy it over. + memory_manager.WriteBlock(dest, write_buffer.data(), dst_size); + } else { + ASSERT(regs.dst_params.BlockDepth() == 1); - const u32 src_bytes_per_pixel = regs.src_pitch / regs.src_params.size_x; + const u32 src_bytes_per_pixel = regs.src_pitch / regs.x_count; - FlushAndInvalidate(regs.src_pitch * regs.src_params.size_y, - copy_size * src_bytes_per_pixel); + const std::size_t dst_size = Texture::CalculateSize( + true, src_bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y, + regs.dst_params.size_z, regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth()); - Texture::UnswizzleSubrect(regs.x_count, regs.y_count, regs.dst_pitch, - regs.src_params.size_x, src_bytes_per_pixel, source_ptr, dst_ptr, - regs.src_params.BlockHeight(), regs.src_params.pos_x, - regs.src_params.pos_y); - } else { - ASSERT(regs.dst_params.size_z == 1); - ASSERT(regs.src_pitch == regs.x_count); + const std::size_t dst_layer_size = Texture::CalculateSize( + true, src_bytes_per_pixel, regs.dst_params.size_x, regs.dst_params.size_y, 1, + regs.dst_params.BlockHeight(), regs.dst_params.BlockDepth()); - const u32 src_bpp = regs.src_pitch / regs.x_count; + const std::size_t src_size = regs.src_pitch * regs.y_count; - FlushAndInvalidate(regs.src_pitch * regs.y_count, - regs.dst_params.size_x * regs.dst_params.size_y * src_bpp); + if (read_buffer.size() < src_size) { + read_buffer.resize(src_size); + } + + if (write_buffer.size() < dst_size) { + write_buffer.resize(dst_size); + } + + memory_manager.ReadBlock(source, read_buffer.data(), src_size); + memory_manager.ReadBlock(dest, write_buffer.data(), dst_size); // If the input is linear and the output is tiled, swizzle the input and copy it over. Texture::SwizzleSubrect(regs.x_count, regs.y_count, regs.src_pitch, regs.dst_params.size_x, - src_bpp, dst_ptr, source_ptr, regs.dst_params.BlockHeight()); + src_bytes_per_pixel, + write_buffer.data() + dst_layer_size * regs.dst_params.pos_z, + read_buffer.data(), regs.dst_params.BlockHeight()); + + memory_manager.WriteBlock(dest, write_buffer.data(), dst_size); } } |