suyu/src/video_core/control/channel_state_cache.inc

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#include "video_core/control/channel_state.h"
#include "video_core/control/channel_state_cache.h"
#include "video_core/engines/kepler_compute.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/memory_manager.h"
namespace VideoCommon {
ChannelInfo::ChannelInfo(Tegra::Control::ChannelState& channel_state)
: maxwell3d{*channel_state.maxwell_3d}, kepler_compute{*channel_state.kepler_compute},
gpu_memory{*channel_state.memory_manager} {}
template <class P>
void ChannelSetupCaches<P>::CreateChannel(struct Tegra::Control::ChannelState& channel) {
ASSERT(channel_map.find(channel.bind_id) == channel_map.end() && channel.bind_id >= 0);
auto new_id = [this, &channel]() {
if (!free_channel_ids.empty()) {
auto id = free_channel_ids.front();
free_channel_ids.pop_front();
new (&channel_storage[id]) ChannelInfo(channel);
return id;
}
channel_storage.emplace_back(channel);
return channel_storage.size() - 1;
}();
channel_map.emplace(channel.bind_id, new_id);
if (current_channel_id != UNSET_CHANNEL) {
channel_state = &channel_storage[current_channel_id];
}
}
/// Bind a channel for execution.
template <class P>
void ChannelSetupCaches<P>::BindToChannel(s32 id) {
auto it = channel_map.find(id);
ASSERT(it != channel_map.end() && id >= 0);
current_channel_id = it->second;
channel_state = &channel_storage[current_channel_id];
maxwell3d = &channel_state->maxwell3d;
kepler_compute = &channel_state->kepler_compute;
gpu_memory = &channel_state->gpu_memory;
}
/// Erase channel's channel_state.
template <class P>
void ChannelSetupCaches<P>::EraseChannel(s32 id) {
const auto it = channel_map.find(id);
ASSERT(it != channel_map.end() && id >= 0);
const auto this_id = it->second;
free_channel_ids.push_back(this_id);
channel_map.erase(it);
if (this_id == current_channel_id) {
current_channel_id = UNSET_CHANNEL;
channel_state = nullptr;
maxwell3d = nullptr;
kepler_compute = nullptr;
gpu_memory = nullptr;
} else if (current_channel_id != UNSET_CHANNEL) {
channel_state = &channel_storage[current_channel_id];
}
}
} // namespace VideoCommon