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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <bitset>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "video_core/engines/kepler_compute.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 {
KeplerCompute::KeplerCompute(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
MemoryManager& memory_manager)
: system{system}, rasterizer{rasterizer}, memory_manager{memory_manager}, upload_state{
memory_manager,
regs.upload} {}
KeplerCompute::~KeplerCompute() = default;
void KeplerCompute::CallMethod(const GPU::MethodCall& method_call) {
ASSERT_MSG(method_call.method < Regs::NUM_REGS,
"Invalid KeplerCompute register, increase the size of the Regs structure");
regs.reg_array[method_call.method] = method_call.argument;
switch (method_call.method) {
case KEPLER_COMPUTE_REG_INDEX(exec_upload): {
upload_state.ProcessExec(regs.exec_upload.linear != 0);
break;
}
case KEPLER_COMPUTE_REG_INDEX(data_upload): {
const bool is_last_call = method_call.IsLastCall();
upload_state.ProcessData(method_call.argument, is_last_call);
if (is_last_call) {
system.GPU().Maxwell3D().dirty.OnMemoryWrite();
}
break;
}
case KEPLER_COMPUTE_REG_INDEX(launch):
ProcessLaunch();
break;
default:
break;
}
}
Tegra::Texture::FullTextureInfo KeplerCompute::GetTexture(std::size_t offset) const {
const std::bitset<8> cbuf_mask = launch_description.const_buffer_enable_mask.Value();
ASSERT(cbuf_mask[regs.tex_cb_index]);
const auto& texinfo = launch_description.const_buffer_config[regs.tex_cb_index];
ASSERT(texinfo.Address() != 0);
const GPUVAddr address = texinfo.Address() + offset * sizeof(Texture::TextureHandle);
ASSERT(address < texinfo.Address() + texinfo.size);
const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(address)};
return GetTextureInfo(tex_handle, offset);
}
Texture::FullTextureInfo KeplerCompute::GetTextureInfo(const Texture::TextureHandle tex_handle,
std::size_t offset) const {
return Texture::FullTextureInfo{static_cast<u32>(offset), GetTICEntry(tex_handle.tic_id),
GetTSCEntry(tex_handle.tsc_id)};
}
u32 KeplerCompute::AccessConstBuffer32(u64 const_buffer, u64 offset) const {
const auto& buffer = launch_description.const_buffer_config[const_buffer];
u32 result;
std::memcpy(&result, memory_manager.GetPointer(buffer.Address() + offset), sizeof(u32));
return result;
}
void KeplerCompute::ProcessLaunch() {
const GPUVAddr launch_desc_loc = regs.launch_desc_loc.Address();
memory_manager.ReadBlockUnsafe(launch_desc_loc, &launch_description,
LaunchParams::NUM_LAUNCH_PARAMETERS * sizeof(u32));
const GPUVAddr code_addr = regs.code_loc.Address() + launch_description.program_start;
LOG_TRACE(HW_GPU, "Compute invocation launched at address 0x{:016x}", code_addr);
rasterizer.DispatchCompute(code_addr);
}
Texture::TICEntry KeplerCompute::GetTICEntry(u32 tic_index) const {
const GPUVAddr tic_address_gpu{regs.tic.Address() + tic_index * sizeof(Texture::TICEntry)};
Texture::TICEntry tic_entry;
memory_manager.ReadBlockUnsafe(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
const auto r_type{tic_entry.r_type.Value()};
const auto g_type{tic_entry.g_type.Value()};
const auto b_type{tic_entry.b_type.Value()};
const auto a_type{tic_entry.a_type.Value()};
// TODO(Subv): Different data types for separate components are not supported
DEBUG_ASSERT(r_type == g_type && r_type == b_type && r_type == a_type);
return tic_entry;
}
Texture::TSCEntry KeplerCompute::GetTSCEntry(u32 tsc_index) const {
const GPUVAddr tsc_address_gpu{regs.tsc.Address() + tsc_index * sizeof(Texture::TSCEntry)};
Texture::TSCEntry tsc_entry;
memory_manager.ReadBlockUnsafe(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
return tsc_entry;
}
} // namespace Tegra::Engines
|
