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video_core: Move command buffer loop.

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This moves the hot loop into video_core. This refactoring shall reduce the CPU overhead of calling ProcessCommandList.
This commit is contained in:
Markus Wick
2018-09-06 15:48:08 +02:00
parent c560043581
commit 0cfb0bacb2
5 changed files with 86 additions and 79 deletions
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101
src/video_core/command_processor.cpp
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@ -69,57 +69,64 @@ void GPU::WriteReg(u32 method, u32 subchannel, u32 value, u32 remaining_params)
}
}
void GPU::ProcessCommandList(GPUVAddr address, u32 size) {
const boost::optional<VAddr> head_address = memory_manager->GpuToCpuAddress(address);
VAddr current_addr = *head_address;
while (current_addr < *head_address + size * sizeof(CommandHeader)) {
const CommandHeader header = {Memory::Read32(current_addr)};
current_addr += sizeof(u32);
MICROPROFILE_DEFINE(ProcessCommandLists, "GPU", "Execute command buffer", MP_RGB(128, 128, 192));
switch (header.mode.Value()) {
case SubmissionMode::IncreasingOld:
case SubmissionMode::Increasing: {
// Increase the method value with each argument.
for (unsigned i = 0; i < header.arg_count; ++i) {
WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::NonIncreasingOld:
case SubmissionMode::NonIncreasing: {
// Use the same method value for all arguments.
for (unsigned i = 0; i < header.arg_count; ++i) {
WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::IncreaseOnce: {
ASSERT(header.arg_count.Value() >= 1);
// Use the original method for the first argument and then the next method for all other
// arguments.
WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
header.arg_count - 1);
void GPU::ProcessCommandLists(const std::vector<CommandListHeader>& commands) {
MICROPROFILE_SCOPE(ProcessCommandLists);
for (auto entry : commands) {
Tegra::GPUVAddr address = entry.Address();
u32 size = entry.sz;
const boost::optional<VAddr> head_address = memory_manager->GpuToCpuAddress(address);
VAddr current_addr = *head_address;
while (current_addr < *head_address + size * sizeof(CommandHeader)) {
const CommandHeader header = {Memory::Read32(current_addr)};
current_addr += sizeof(u32);
for (unsigned i = 1; i < header.arg_count; ++i) {
WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
switch (header.mode.Value()) {
case SubmissionMode::IncreasingOld:
case SubmissionMode::Increasing: {
// Increase the method value with each argument.
for (unsigned i = 0; i < header.arg_count; ++i) {
WriteReg(header.method + i, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::NonIncreasingOld:
case SubmissionMode::NonIncreasing: {
// Use the same method value for all arguments.
for (unsigned i = 0; i < header.arg_count; ++i) {
WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::IncreaseOnce: {
ASSERT(header.arg_count.Value() >= 1);
// Use the original method for the first argument and then the next method for all
// other arguments.
WriteReg(header.method, header.subchannel, Memory::Read32(current_addr),
header.arg_count - 1);
current_addr += sizeof(u32);
for (unsigned i = 1; i < header.arg_count; ++i) {
WriteReg(header.method + 1, header.subchannel, Memory::Read32(current_addr),
header.arg_count - i - 1);
current_addr += sizeof(u32);
}
break;
}
case SubmissionMode::Inline: {
// The register value is stored in the bits 16-28 as an immediate
WriteReg(header.method, header.subchannel, header.inline_data, 0);
break;
}
default:
UNIMPLEMENTED();
}
break;
}
case SubmissionMode::Inline: {
// The register value is stored in the bits 16-28 as an immediate
WriteReg(header.method, header.subchannel, header.inline_data, 0);
break;
}
default:
UNIMPLEMENTED();
}
}
}