diff options
Diffstat (limited to '')
| -rw-r--r-- | src/video_core/engines/maxwell_dma.cpp | 83 | ||||
| -rw-r--r-- | src/video_core/engines/maxwell_dma.h | 11 |
2 files changed, 57 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write_buffer.data(), dst_size); - // We have to invalidate the destination region to evict any outdated surfaces from the - // cache.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); } } diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index 0b2e26199..8eab1332e 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -6,6 +6,7 @@ #include <array> #include <cstddef> +#include <vector> #include "common/bit_field.h" #include "common/common_funcs.h" #include "common/common_types.h" @@ -155,6 +156,13 @@ public: BitField<16, 2, u32> component_size; BitField<20, 3, u32> src_num_components; BitField<24, 3, u32> dst_num_components; + + u32 SrcBytePerPixel() const { + return src_num_components.Value() * component_size.Value(); + } + u32 DstBytePerPixel() const { + return dst_num_components.Value() * component_size.Value(); + } } swizzle_config; Parameters dst_params; @@ -176,6 +184,9 @@ private: MemoryManager& memory_manager; + std::vector<u8> read_buffer; + std::vector<u8> write_buffer; + /// Performs the copy from the source buffer to the destination buffer as configured in the /// registers. void HandleCopy(); |