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GSP: Implement command 0x05, used for flushing caches

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May fix additional texture caching issues. (Though mostly in homebrew, I
haven't seen any commercial software use this to flush anything but
command lists.)
This commit is contained in:
Yuri Kunde Schlesner 2015-09-07 19:22:44 -03:00
parent 5fdfd782cc
commit 1ed7f3e028
3 changed files with 36 additions and 15 deletions
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4
src/citra_qt/debugger/graphics.cpp
View file

@ -30,11 +30,11 @@ QVariant GPUCommandStreamItemModel::data(const QModelIndex& index, int role) con
{
std::map<GSP_GPU::CommandId, const char*> command_names = {
{ GSP_GPU::CommandId::REQUEST_DMA, "REQUEST_DMA" },
{ GSP_GPU::CommandId::SET_COMMAND_LIST_FIRST, "SET_COMMAND_LIST_FIRST" },
{ GSP_GPU::CommandId::SUBMIT_GPU_CMDLIST, "SUBMIT_GPU_CMDLIST" },
{ GSP_GPU::CommandId::SET_MEMORY_FILL, "SET_MEMORY_FILL" },
{ GSP_GPU::CommandId::SET_DISPLAY_TRANSFER, "SET_DISPLAY_TRANSFER" },
{ GSP_GPU::CommandId::SET_TEXTURE_COPY, "SET_TEXTURE_COPY" },
{ GSP_GPU::CommandId::SET_COMMAND_LIST_LAST, "SET_COMMAND_LIST_LAST" }
{ GSP_GPU::CommandId::CACHE_FLUSH, "CACHE_FLUSH" },
};
const u32* command_data = reinterpret_cast<const u32*>(&command);
QString str = QString("%1 %2 %3 %4 %5 %6 %7 %8 %9").arg(command_names[command.id])

28
src/core/hle/service/gsp_gpu.cpp
View file

@ -377,12 +377,16 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
command.dma_request.size);
break;
// ctrulib homebrew sends all relevant command list data with this command,
// hence we do all "interesting" stuff here and do nothing in SET_COMMAND_LIST_FIRST.
// TODO: This will need some rework in the future.
case CommandId::SET_COMMAND_LIST_LAST:
// TODO: This will need some rework in the future. (why?)
case CommandId::SUBMIT_GPU_CMDLIST:
{
auto& params = command.set_command_list_last;
auto& params = command.submit_gpu_cmdlist;
if (params.do_flush) {
// This flag flushes the command list (params.address, params.size) from the cache.
// Command lists are not processed by the hardware renderer, so we don't need to
// actually flush them in Citra.
}
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(command_processor_config.address)),
Memory::VirtualToPhysicalAddress(params.address) >> 3);
@ -391,6 +395,8 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
// TODO: Not sure if we are supposed to always write this .. seems to trigger processing though
WriteGPURegister(static_cast<u32>(GPU_REG_INDEX(command_processor_config.trigger)), 1);
// TODO(yuriks): Figure out the meaning of the `flags` field.
break;
}
@ -434,7 +440,6 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
break;
}
// TODO: Check if texture copies are implemented correctly..
case CommandId::SET_TEXTURE_COPY:
{
auto& params = command.texture_copy;
@ -456,10 +461,15 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
break;
}
// TODO: Figure out what exactly SET_COMMAND_LIST_FIRST and SET_COMMAND_LIST_LAST
// are supposed to do.
case CommandId::SET_COMMAND_LIST_FIRST:
case CommandId::CACHE_FLUSH:
{
for (auto& region : command.cache_flush.regions) {
if (region.size == 0)
break;
VideoCore::g_renderer->hw_rasterizer->NotifyFlush(
Memory::VirtualToPhysicalAddress(region.address), region.size);
}
break;
}

19
src/core/hle/service/gsp_gpu.h
View file

@ -31,7 +31,8 @@ enum class InterruptId : u8 {
/// GSP command ID
enum class CommandId : u32 {
REQUEST_DMA = 0x00,
SET_COMMAND_LIST_LAST = 0x01,
/// Submits a commandlist for execution by the GPU.
SUBMIT_GPU_CMDLIST = 0x01,
// Fills a given memory range with a particular value
SET_MEMORY_FILL = 0x02,
@ -42,8 +43,8 @@ enum class CommandId : u32 {
// Conceptionally similar to SET_DISPLAY_TRANSFER and presumable uses the same hardware path
SET_TEXTURE_COPY = 0x04,
SET_COMMAND_LIST_FIRST = 0x05,
/// Flushes up to 3 cache regions in a single command.
CACHE_FLUSH = 0x05,
};
/// GSP thread interrupt relay queue
@ -106,7 +107,10 @@ struct Command {
struct {
u32 address;
u32 size;
} set_command_list_last;
u32 flags;
u32 unused[3];
u32 do_flush;
} submit_gpu_cmdlist;
struct {
u32 start1;
@ -138,6 +142,13 @@ struct Command {
u32 flags;
} texture_copy;
struct {
struct {
u32 address;
u32 size;
} regions[3];
} cache_flush;
u8 raw_data[0x1C];
};
};