mirror of
https://github.com/yuzu-emu/yuzu-android.git
synced 2024-12-05 02:03:47 +01:00
73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
// Copyright 2018 yuzu Emulator Project
|
|
// 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 {
|
|
|
|
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.BlockHeight());
|
|
} 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.BlockHeight());
|
|
}
|
|
}
|
|
|
|
} // namespace Engines
|
|
} // namespace Tegra
|