a8fa5019b5
Avoids the use of the global accessor in favor of explicitly making the system a dependency within the interface.
60 lines
2 KiB
C++
60 lines
2 KiB
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/memory.h"
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#include "video_core/engines/kepler_memory.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/rasterizer_interface.h"
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namespace Tegra::Engines {
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KeplerMemory::KeplerMemory(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
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MemoryManager& memory_manager)
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: system{system}, memory_manager(memory_manager), rasterizer{rasterizer} {}
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KeplerMemory::~KeplerMemory() = default;
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void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) {
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ASSERT_MSG(method_call.method < Regs::NUM_REGS,
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"Invalid KeplerMemory register, increase the size of the Regs structure");
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regs.reg_array[method_call.method] = method_call.argument;
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switch (method_call.method) {
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case KEPLERMEMORY_REG_INDEX(exec): {
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state.write_offset = 0;
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break;
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}
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case KEPLERMEMORY_REG_INDEX(data): {
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ProcessData(method_call.argument);
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break;
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}
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}
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}
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void KeplerMemory::ProcessData(u32 data) {
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ASSERT_MSG(regs.exec.linear, "Non-linear uploads are not supported");
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ASSERT(regs.dest.x == 0 && regs.dest.y == 0 && regs.dest.z == 0);
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const GPUVAddr address = regs.dest.Address();
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const auto dest_address =
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memory_manager.GpuToCpuAddress(address + state.write_offset * sizeof(u32));
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ASSERT_MSG(dest_address, "Invalid GPU address");
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// We have to invalidate the destination region to evict any outdated surfaces from the cache.
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// We do this before actually writing the new data because the destination address might contain
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// a dirty surface that will have to be written back to memory.
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rasterizer.InvalidateRegion(*dest_address, sizeof(u32));
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Memory::Write32(*dest_address, data);
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system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
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state.write_offset++;
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}
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} // namespace Tegra::Engines
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