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
69
70
71
72
73
|
// 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/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], ®s.data, sub_copy_size);
state.write_offset += sub_copy_size;
if (is_last_call) {
const GPUVAddr address{regs.dest.Address()};
if (regs.exec.linear != 0) {
memory_manager.WriteBlock(address, state.inner_buffer.data(), state.copy_size);
} else {
UNIMPLEMENTED_IF(regs.dest.z != 0);
UNIMPLEMENTED_IF(regs.dest.depth != 1);
UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 1);
UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 1);
const std::size_t dst_size = Tegra::Texture::CalculateSize(
true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 1);
std::vector<u8> tmp_buffer(dst_size);
memory_manager.ReadBlock(address, tmp_buffer.data(), dst_size);
Tegra::Texture::SwizzleKepler(regs.dest.width, regs.dest.height, regs.dest.x,
regs.dest.y, regs.dest.BlockHeight(), state.copy_size,
state.inner_buffer.data(), tmp_buffer.data());
memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
}
system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
}
}
} // namespace Tegra::Engines
|