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fix dispatching

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This commit is contained in:
Phantom 2017-09-30 08:08:41 +02:00
parent 502f0c991b
commit e258faf0f0
1 changed files with 7 additions and 8 deletions
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15
src/video_core/command_processor.cpp
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@ -424,16 +424,15 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
auto& thread_pool = Common::ThreadPool::GetPool(); auto& thread_pool = Common::ThreadPool::GetPool();
std::vector<std::future<void>> futures; std::vector<std::future<void>> futures;
constexpr unsigned int MIN_VERTICES_PER_THREAD = 20; constexpr unsigned int MIN_VERTICES_PER_THREAD = 10;
unsigned int num_threads = regs.pipeline.num_vertices / MIN_VERTICES_PER_THREAD + unsigned int vs_threads = regs.pipeline.num_vertices / MIN_VERTICES_PER_THREAD;
(regs.pipeline.num_vertices % MIN_VERTICES_PER_THREAD != 0); vs_threads = std::min(vs_threads, std::thread::hardware_concurrency() - 1);
num_threads = std::min(num_threads, std::thread::hardware_concurrency() - 1);
if (num_threads <= 1) { if (!vs_threads) {
VSUnitLoop(0, std::integral_constant<u32, 1>{}); VSUnitLoop(0, std::integral_constant<u32, 1>{});
} else { } else {
for (unsigned int thread_id = 0; thread_id < num_threads; ++thread_id) { for (unsigned int thread_id = 0; thread_id < vs_threads; ++thread_id) {
futures.emplace_back(thread_pool.push(VSUnitLoop, thread_id, num_threads)); futures.emplace_back(thread_pool.push(VSUnitLoop, thread_id, vs_threads));
} }
} }
@ -447,7 +446,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
} }
// Synchronize threads // Synchronize threads
if (num_threads != 1) { if (vs_threads) {
while (cached_vertex.batch.load(std::memory_order_acquire) != batch_id) { while (cached_vertex.batch.load(std::memory_order_acquire) != batch_id) {
std::this_thread::yield(); std::this_thread::yield();
} }