1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "video_core/engines/kepler_memory.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_base.h"
#include "video_core/textures/convert.h"
#include "video_core/textures/decoders.h"
namespace Tegra::Engines {
KeplerMemory::KeplerMemory(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
MemoryManager& memory_manager)
: system{system}, rasterizer{rasterizer}, memory_manager{memory_manager} {}
KeplerMemory::~KeplerMemory() = default;
void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) {
ASSERT_MSG(method_call.method < Regs::NUM_REGS,
"Invalid KeplerMemory register, increase the size of the Regs structure");
regs.reg_array[method_call.method] = method_call.argument;
switch (method_call.method) {
case KEPLERMEMORY_REG_INDEX(exec): {
ProcessExec();
break;
}
case KEPLERMEMORY_REG_INDEX(data): {
ProcessData(method_call.argument, method_call.IsLastCall());
break;
}
}
}
void KeplerMemory::ProcessExec() {
state.write_offset = 0;
state.copy_size = regs.line_length_in * regs.line_count;
state.inner_buffer.resize(state.copy_size);
}
void KeplerMemory::ProcessData(u32 data, bool is_last_call) {
const u32 sub_copy_size = std::min(4U, state.copy_size - state.write_offset);
std::memcpy(&state.inner_buffer[state.write_offset], &data, sub_copy_size);
state.write_offset += sub_copy_size;
if (is_last_call) {
UNIMPLEMENTED_IF_MSG(regs.exec.linear == 0, "Block Linear Copy is not implemented");
if (regs.exec.linear != 0) {
const GPUVAddr address{regs.dest.Address()};
const auto host_ptr = memory_manager.GetPointer(address);
// We have to invalidate the destination region to evict any outdated surfaces from the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(host_ptr), state.copy_size);
std::memcpy(host_ptr, state.inner_buffer.data(), state.copy_size);
system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
}
}
}
} // namespace Tegra::Engines
|
