diff options
| -rw-r--r-- | src/video_core/engines/fermi_2d.cpp | 54 | ||||
| -rw-r--r-- | src/video_core/engines/fermi_2d.h | 5 |
2 files changed, 59 insertions, 0 deletions
diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp index 87634da21..9019f2504 100644 --- a/src/video_core/engines/fermi_2d.cpp +++ b/src/video_core/engines/fermi_2d.cpp @@ -2,7 +2,9 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include "core/memory.h" #include "video_core/engines/fermi_2d.h" +#include "video_core/textures/decoders.h" namespace Tegra { namespace Engines { @@ -12,6 +14,58 @@ Fermi2D::Fermi2D(MemoryManager& memory_manager) : memory_manager(memory_manager) void Fermi2D::WriteReg(u32 method, u32 value) { ASSERT_MSG(method < Regs::NUM_REGS, "Invalid Fermi2D register, increase the size of the Regs structure"); + + regs.reg_array[method] = value; + + switch (method) { + case FERMI2D_REG_INDEX(trigger): { + HandleSurfaceCopy(); + break; + } + } +} + +void Fermi2D::HandleSurfaceCopy() { + NGLOG_WARNING(HW_GPU, "Requested a surface copy with operation {}", + static_cast<u32>(regs.operation)); + + const GPUVAddr source = regs.src.Address(); + const GPUVAddr dest = regs.dst.Address(); + + // TODO(Subv): Only same-format and same-size copies are allowed for now. + ASSERT(regs.src.format == regs.dst.format); + ASSERT(regs.src.width * regs.src.height == regs.dst.width * regs.dst.height); + + // TODO(Subv): Only raw copies are implemented. + ASSERT(regs.operation == Regs::Operation::SrcCopy); + + const VAddr source_cpu = *memory_manager.GpuToCpuAddress(source); + const VAddr dest_cpu = *memory_manager.GpuToCpuAddress(dest); + + u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format); + u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format); + + if (regs.src.linear == regs.dst.linear) { + // If the input layout and the output layout are the same, just perform a raw copy. + Memory::CopyBlock(dest_cpu, source_cpu, + src_bytes_per_pixel * regs.dst.width * regs.dst.height); + return; + } + + u8* src_buffer = Memory::GetPointer(source_cpu); + u8* dst_buffer = Memory::GetPointer(dest_cpu); + + if (!regs.src.linear && regs.dst.linear) { + // If the input is tiled and the output is linear, deswizzle the input and copy it over. + Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel, + dst_bytes_per_pixel, src_buffer, dst_buffer, true, + regs.src.block_height); + } else { + // If the input is linear and the output is tiled, swizzle the input and copy it over. + Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel, + dst_bytes_per_pixel, dst_buffer, src_buffer, false, + regs.dst.block_height); + } } } // namespace Engines diff --git a/src/video_core/engines/fermi_2d.h b/src/video_core/engines/fermi_2d.h index 78d06218f..0c5b413cc 100644 --- a/src/video_core/engines/fermi_2d.h +++ b/src/video_core/engines/fermi_2d.h @@ -88,6 +88,11 @@ public: } regs{}; MemoryManager& memory_manager; + +private: + /// Performs the copy from the source surface to the destination surface as configured in the + /// registers. + void HandleSurfaceCopy(); }; #define ASSERT_REG_POSITION(field_name, position) \ |