another try
This commit is contained in:
mgthepro
+183
-183
@@ -1,183 +1,183 @@
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/cityhash.h"
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#include "common/microprofile.h"
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#include "common/settings.h"
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#include "core/core.h"
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#include "video_core/dma_pusher.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/gpu.h"
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#include "video_core/memory_manager.h"
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namespace Tegra {
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DmaPusher::DmaPusher(Core::System& system_, GPU& gpu_, MemoryManager& memory_manager_,
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Control::ChannelState& channel_state_)
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: gpu{gpu_}, system{system_}, memory_manager{memory_manager_}, puller{gpu_, memory_manager_,
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*this, channel_state_} {}
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DmaPusher::~DmaPusher() = default;
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MICROPROFILE_DEFINE(DispatchCalls, "GPU", "Execute command buffer", MP_RGB(128, 128, 192));
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void DmaPusher::DispatchCalls() {
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MICROPROFILE_SCOPE(DispatchCalls);
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dma_pushbuffer_subindex = 0;
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dma_state.is_last_call = true;
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while (system.IsPoweredOn()) {
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if (!Step()) {
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break;
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}
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}
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gpu.FlushCommands();
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gpu.OnCommandListEnd();
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}
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bool DmaPusher::Step() {
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if (!ib_enable || dma_pushbuffer.empty()) {
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// pushbuffer empty and IB empty or nonexistent - nothing to do
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return false;
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}
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CommandList& command_list{dma_pushbuffer.front()};
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ASSERT_OR_EXECUTE(
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command_list.command_lists.size() || command_list.prefetch_command_list.size(), {
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// Somehow the command_list is empty, in order to avoid a crash
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// We ignore it and assume its size is 0.
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dma_pushbuffer.pop();
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dma_pushbuffer_subindex = 0;
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return true;
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});
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if (command_list.prefetch_command_list.size()) {
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// Prefetched command list from nvdrv, used for things like synchronization
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command_headers = std::move(command_list.prefetch_command_list);
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dma_pushbuffer.pop();
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} else {
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const CommandListHeader command_list_header{
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command_list.command_lists[dma_pushbuffer_subindex++]};
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const GPUVAddr dma_get = command_list_header.addr;
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if (dma_pushbuffer_subindex >= command_list.command_lists.size()) {
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// We've gone through the current list, remove it from the queue
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dma_pushbuffer.pop();
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dma_pushbuffer_subindex = 0;
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}
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if (command_list_header.size == 0) {
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return true;
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}
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// Push buffer non-empty, read a word
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command_headers.resize(command_list_header.size);
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if (Settings::IsGPULevelHigh()) {
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memory_manager.ReadBlock(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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} else {
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memory_manager.ReadBlockUnsafe(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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}
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}
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for (std::size_t index = 0; index < command_headers.size();) {
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const CommandHeader& command_header = command_headers[index];
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if (dma_state.method_count) {
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// Data word of methods command
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if (dma_state.non_incrementing) {
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const u32 max_write = static_cast<u32>(
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std::min<std::size_t>(index + dma_state.method_count, command_headers.size()) -
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index);
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CallMultiMethod(&command_header.argument, max_write);
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dma_state.method_count -= max_write;
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dma_state.is_last_call = true;
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index += max_write;
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continue;
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} else {
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dma_state.is_last_call = dma_state.method_count <= 1;
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CallMethod(command_header.argument);
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}
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if (!dma_state.non_incrementing) {
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dma_state.method++;
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}
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if (dma_increment_once) {
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dma_state.non_incrementing = true;
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}
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dma_state.method_count--;
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} else {
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// No command active - this is the first word of a new one
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switch (command_header.mode) {
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case SubmissionMode::Increasing:
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SetState(command_header);
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dma_state.non_incrementing = false;
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dma_increment_once = false;
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break;
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case SubmissionMode::NonIncreasing:
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SetState(command_header);
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dma_state.non_incrementing = true;
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dma_increment_once = false;
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break;
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case SubmissionMode::Inline:
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dma_state.method = command_header.method;
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dma_state.subchannel = command_header.subchannel;
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CallMethod(command_header.arg_count);
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dma_state.non_incrementing = true;
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dma_increment_once = false;
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break;
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case SubmissionMode::IncreaseOnce:
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SetState(command_header);
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dma_state.non_incrementing = false;
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dma_increment_once = true;
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break;
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default:
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break;
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}
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}
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index++;
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}
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return true;
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}
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void DmaPusher::SetState(const CommandHeader& command_header) {
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dma_state.method = command_header.method;
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dma_state.subchannel = command_header.subchannel;
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dma_state.method_count = command_header.method_count;
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}
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void DmaPusher::CallMethod(u32 argument) const {
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if (dma_state.method < non_puller_methods) {
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puller.CallPullerMethod(Engines::Puller::MethodCall{
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dma_state.method,
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argument,
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dma_state.subchannel,
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dma_state.method_count,
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});
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} else {
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subchannels[dma_state.subchannel]->CallMethod(dma_state.method, argument,
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dma_state.is_last_call);
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}
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}
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void DmaPusher::CallMultiMethod(const u32* base_start, u32 num_methods) const {
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if (dma_state.method < non_puller_methods) {
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puller.CallMultiMethod(dma_state.method, dma_state.subchannel, base_start, num_methods,
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dma_state.method_count);
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} else {
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subchannels[dma_state.subchannel]->CallMultiMethod(dma_state.method, base_start,
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num_methods, dma_state.method_count);
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}
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}
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void DmaPusher::BindRasterizer(VideoCore::RasterizerInterface* rasterizer) {
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puller.BindRasterizer(rasterizer);
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}
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} // namespace Tegra
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/cityhash.h"
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#include "common/microprofile.h"
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#include "common/settings.h"
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#include "core/core.h"
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#include "video_core/dma_pusher.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/gpu.h"
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#include "video_core/memory_manager.h"
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namespace Tegra {
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DmaPusher::DmaPusher(Core::System& system_, GPU& gpu_, MemoryManager& memory_manager_,
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Control::ChannelState& channel_state_)
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: gpu{gpu_}, system{system_}, memory_manager{memory_manager_}, puller{gpu_, memory_manager_,
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*this, channel_state_} {}
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DmaPusher::~DmaPusher() = default;
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MICROPROFILE_DEFINE(DispatchCalls, "GPU", "Execute command buffer", MP_RGB(128, 128, 192));
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void DmaPusher::DispatchCalls() {
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MICROPROFILE_SCOPE(DispatchCalls);
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dma_pushbuffer_subindex = 0;
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dma_state.is_last_call = true;
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while (system.IsPoweredOn()) {
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if (!Step()) {
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break;
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}
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}
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gpu.FlushCommands();
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gpu.OnCommandListEnd();
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}
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bool DmaPusher::Step() {
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if (!ib_enable || dma_pushbuffer.empty()) {
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// pushbuffer empty and IB empty or nonexistent - nothing to do
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return false;
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}
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CommandList& command_list{dma_pushbuffer.front()};
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ASSERT_OR_EXECUTE(
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command_list.command_lists.size() || command_list.prefetch_command_list.size(), {
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// Somehow the command_list is empty, in order to avoid a crash
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// We ignore it and assume its size is 0.
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dma_pushbuffer.pop();
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dma_pushbuffer_subindex = 0;
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return true;
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});
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if (command_list.prefetch_command_list.size()) {
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// Prefetched command list from nvdrv, used for things like synchronization
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command_headers = std::move(command_list.prefetch_command_list);
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dma_pushbuffer.pop();
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} else {
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const CommandListHeader command_list_header{
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command_list.command_lists[dma_pushbuffer_subindex++]};
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const GPUVAddr dma_get = command_list_header.addr;
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if (dma_pushbuffer_subindex >= command_list.command_lists.size()) {
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// We've gone through the current list, remove it from the queue
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dma_pushbuffer.pop();
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dma_pushbuffer_subindex = 0;
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}
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if (command_list_header.size == 0) {
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return true;
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}
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// Push buffer non-empty, read a word
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command_headers.resize(command_list_header.size);
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if (Settings::IsGPULevelHigh()) {
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memory_manager.ReadBlock(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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} else {
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memory_manager.ReadBlockUnsafe(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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}
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}
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for (std::size_t index = 0; index < command_headers.size();) {
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const CommandHeader& command_header = command_headers[index];
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if (dma_state.method_count) {
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// Data word of methods command
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if (dma_state.non_incrementing) {
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const u32 max_write = static_cast<u32>(
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std::min<std::size_t>(index + dma_state.method_count, command_headers.size()) -
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index);
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CallMultiMethod(&command_header.argument, max_write);
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dma_state.method_count -= max_write;
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dma_state.is_last_call = true;
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index += max_write;
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continue;
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} else {
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dma_state.is_last_call = dma_state.method_count <= 1;
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CallMethod(command_header.argument);
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}
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if (!dma_state.non_incrementing) {
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dma_state.method++;
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}
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if (dma_increment_once) {
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dma_state.non_incrementing = true;
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}
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dma_state.method_count--;
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} else {
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// No command active - this is the first word of a new one
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switch (command_header.mode) {
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case SubmissionMode::Increasing:
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SetState(command_header);
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dma_state.non_incrementing = false;
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dma_increment_once = false;
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break;
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case SubmissionMode::NonIncreasing:
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SetState(command_header);
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dma_state.non_incrementing = true;
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dma_increment_once = false;
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break;
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case SubmissionMode::Inline:
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dma_state.method = command_header.method;
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dma_state.subchannel = command_header.subchannel;
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CallMethod(command_header.arg_count);
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dma_state.non_incrementing = true;
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dma_increment_once = false;
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break;
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case SubmissionMode::IncreaseOnce:
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SetState(command_header);
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dma_state.non_incrementing = false;
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dma_increment_once = true;
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break;
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default:
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break;
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}
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}
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index++;
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}
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return true;
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}
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void DmaPusher::SetState(const CommandHeader& command_header) {
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dma_state.method = command_header.method;
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dma_state.subchannel = command_header.subchannel;
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dma_state.method_count = command_header.method_count;
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}
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void DmaPusher::CallMethod(u32 argument) const {
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if (dma_state.method < non_puller_methods) {
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puller.CallPullerMethod(Engines::Puller::MethodCall{
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dma_state.method,
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argument,
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dma_state.subchannel,
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dma_state.method_count,
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});
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} else {
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subchannels[dma_state.subchannel]->CallMethod(dma_state.method, argument,
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dma_state.is_last_call);
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}
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}
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void DmaPusher::CallMultiMethod(const u32* base_start, u32 num_methods) const {
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if (dma_state.method < non_puller_methods) {
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puller.CallMultiMethod(dma_state.method, dma_state.subchannel, base_start, num_methods,
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dma_state.method_count);
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} else {
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subchannels[dma_state.subchannel]->CallMultiMethod(dma_state.method, base_start,
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num_methods, dma_state.method_count);
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}
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}
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void DmaPusher::BindRasterizer(VideoCore::RasterizerInterface* rasterizer) {
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puller.BindRasterizer(rasterizer);
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}
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} // namespace Tegra
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