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nvhost_nvdec_common: Fix {Slice/Write}Vectors return

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Plus some minor cleanup for consistency.
This commit is contained in:
ameerj 2021-06-24 21:29:41 -04:00
parent c805c0b395
commit 3f601ed8bc
1 changed files with 38 additions and 37 deletions
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75
src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.cpp
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@ -19,26 +19,29 @@
namespace Service::Nvidia::Devices {
namespace {
// Splice vectors will copy count amount of type T from the input vector into the dst vector.
// Copies count amount of type T from the input vector into the dst vector.
// Returns the number of bytes written into dst.
template <typename T>
std::size_t SpliceVectors(const std::vector<u8>& input, std::vector<T>& dst, std::size_t count,
std::size_t offset) {
if (!dst.empty()) {
std::memcpy(dst.data(), input.data() + offset, count * sizeof(T));
std::size_t SliceVectors(const std::vector<u8>& input, std::vector<T>& dst, std::size_t count,
std::size_t offset) {
if (dst.empty()) {
return 0;
}
return 0;
const size_t bytes_copied = count * sizeof(T);
std::memcpy(dst.data(), input.data() + offset, bytes_copied);
return bytes_copied;
}
// Write vectors will write data to the output buffer
// Writes the data in src to an offset into the dst vector. The offset is specified in bytes
// Returns the number of bytes written into dst.
template <typename T>
std::size_t WriteVectors(std::vector<u8>& dst, const std::vector<T>& src, std::size_t offset) {
if (src.empty()) {
return 0;
} else {
std::memcpy(dst.data() + offset, src.data(), src.size() * sizeof(T));
offset += src.size() * sizeof(T);
return offset;
}
const size_t bytes_copied = src.size() * sizeof(T);
std::memcpy(dst.data() + offset, src.data(), bytes_copied);
return bytes_copied;
}
} // Anonymous namespace
@ -62,7 +65,6 @@ NvResult nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u
LOG_DEBUG(Service_NVDRV, "called NVDEC Submit, cmd_buffer_count={}", params.cmd_buffer_count);
// Instantiate param buffers
std::size_t offset = sizeof(IoctlSubmit);
std::vector<CommandBuffer> command_buffers(params.cmd_buffer_count);
std::vector<Reloc> relocs(params.relocation_count);
std::vector<u32> reloc_shifts(params.relocation_count);
@ -70,13 +72,14 @@ NvResult nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u
std::vector<SyncptIncr> wait_checks(params.syncpoint_count);
std::vector<Fence> fences(params.fence_count);
// Splice input into their respective buffers
offset = SpliceVectors(input, command_buffers, params.cmd_buffer_count, offset);
offset = SpliceVectors(input, relocs, params.relocation_count, offset);
offset = SpliceVectors(input, reloc_shifts, params.relocation_count, offset);
offset = SpliceVectors(input, syncpt_increments, params.syncpoint_count, offset);
offset = SpliceVectors(input, wait_checks, params.syncpoint_count, offset);
offset = SpliceVectors(input, fences, params.fence_count, offset);
// Slice input into their respective buffers
std::size_t offset = sizeof(IoctlSubmit);
offset += SliceVectors(input, command_buffers, params.cmd_buffer_count, offset);
offset += SliceVectors(input, relocs, params.relocation_count, offset);
offset += SliceVectors(input, reloc_shifts, params.relocation_count, offset);
offset += SliceVectors(input, syncpt_increments, params.syncpoint_count, offset);
offset += SliceVectors(input, wait_checks, params.syncpoint_count, offset);
offset += SliceVectors(input, fences, params.fence_count, offset);
auto& gpu = system.GPU();
if (gpu.UseNvdec()) {
@ -88,7 +91,7 @@ NvResult nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u
}
}
for (const auto& cmd_buffer : command_buffers) {
auto object = nvmap_dev->GetObject(cmd_buffer.memory_id);
const auto object = nvmap_dev->GetObject(cmd_buffer.memory_id);
ASSERT_OR_EXECUTE(object, return NvResult::InvalidState;);
const auto map = FindBufferMap(object->dma_map_addr);
if (!map) {
@ -102,21 +105,19 @@ NvResult nvhost_nvdec_common::Submit(const std::vector<u8>& input, std::vector<u
gpu.PushCommandBuffer(cmdlist);
}
if (gpu.UseNvdec()) {
fences[0].value = syncpoint_manager.IncreaseSyncpoint(fences[0].id, 1);
Tegra::ChCommandHeaderList cmdlist{{(4 << 28) | fences[0].id}};
gpu.PushCommandBuffer(cmdlist);
}
std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
// Some games expect command_buffers to be written back
offset = sizeof(IoctlSubmit);
offset = WriteVectors(output, command_buffers, offset);
offset = WriteVectors(output, relocs, offset);
offset = WriteVectors(output, reloc_shifts, offset);
offset = WriteVectors(output, syncpt_increments, offset);
offset = WriteVectors(output, wait_checks, offset);
offset = WriteVectors(output, fences, offset);
offset += WriteVectors(output, command_buffers, offset);
offset += WriteVectors(output, relocs, offset);
offset += WriteVectors(output, reloc_shifts, offset);
offset += WriteVectors(output, syncpt_increments, offset);
offset += WriteVectors(output, wait_checks, offset);
offset += WriteVectors(output, fences, offset);
return NvResult::Success;
}
@ -148,14 +149,14 @@ NvResult nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vecto
std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries);
SpliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer));
SliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer));
auto& gpu = system.GPU();
for (auto& cmf_buff : cmd_buffer_handles) {
auto object{nvmap_dev->GetObject(cmf_buff.map_handle)};
for (auto& cmd_buffer : cmd_buffer_handles) {
auto object{nvmap_dev->GetObject(cmd_buffer.map_handle)};
if (!object) {
LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle);
LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmd_buffer.map_handle);
std::memcpy(output.data(), &params, output.size());
return NvResult::InvalidState;
}
@ -170,7 +171,7 @@ NvResult nvhost_nvdec_common::MapBuffer(const std::vector<u8>& input, std::vecto
if (!object->dma_map_addr) {
LOG_ERROR(Service_NVDRV, "failed to map size={}", object->size);
} else {
cmf_buff.map_address = object->dma_map_addr;
cmd_buffer.map_address = object->dma_map_addr;
AddBufferMap(object->dma_map_addr, object->size, object->addr,
object->status == nvmap::Object::Status::Allocated);
}
@ -186,14 +187,14 @@ NvResult nvhost_nvdec_common::UnmapBuffer(const std::vector<u8>& input, std::vec
IoctlMapBuffer params{};
std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
std::vector<MapBufferEntry> cmd_buffer_handles(params.num_entries);
SpliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer));
SliceVectors(input, cmd_buffer_handles, params.num_entries, sizeof(IoctlMapBuffer));
auto& gpu = system.GPU();
for (auto& cmf_buff : cmd_buffer_handles) {
const auto object{nvmap_dev->GetObject(cmf_buff.map_handle)};
for (auto& cmd_buffer : cmd_buffer_handles) {
const auto object{nvmap_dev->GetObject(cmd_buffer.map_handle)};
if (!object) {
LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmf_buff.map_handle);
LOG_ERROR(Service_NVDRV, "invalid cmd_buffer nvmap_handle={:X}", cmd_buffer.map_handle);
std::memcpy(output.data(), &params, output.size());
return NvResult::InvalidState;
}