diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp b/src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp index bbb06e51f..cadad6507 100644 --- a/src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp +++ b/src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp @@ -28,63 +28,69 @@ StagingBuffers::StagingBuffers(GLenum storage_flags_, GLenum map_flags_) StagingBuffers::~StagingBuffers() = default; -StagingBufferMap StagingBuffers::RequestMap(size_t requested_size, bool insert_fence) { +StagingBufferMap StagingBuffers::RequestMap(size_t requested_size, bool insert_fence, + bool deferred) { MICROPROFILE_SCOPE(OpenGL_BufferRequest); const size_t index = RequestBuffer(requested_size); - OGLSync* const sync = insert_fence ? &syncs[index] : nullptr; - sync_indices[index] = insert_fence ? ++current_sync_index : 0; + OGLSync* const sync = insert_fence ? &allocs[index].sync : nullptr; + allocs[index].sync_index = insert_fence ? ++current_sync_index : 0; + allocs[index].deferred = deferred; return StagingBufferMap{ - .mapped_span = std::span(maps[index], requested_size), + .mapped_span = std::span(allocs[index].map, requested_size), .sync = sync, - .buffer = buffers[index].handle, + .buffer = allocs[index].buffer.handle, + .index = index, }; } +void StagingBuffers::FreeDeferredStagingBuffer(size_t index) { + ASSERT(allocs[index].deferred); + allocs[index].deferred = false; +} + size_t StagingBuffers::RequestBuffer(size_t requested_size) { if (const std::optional<size_t> index = FindBuffer(requested_size); index) { return *index; } - - OGLBuffer& buffer = buffers.emplace_back(); - buffer.Create(); + StagingBufferAlloc alloc; + alloc.buffer.Create(); const auto next_pow2_size = Common::NextPow2(requested_size); - glNamedBufferStorage(buffer.handle, next_pow2_size, nullptr, + glNamedBufferStorage(alloc.buffer.handle, next_pow2_size, nullptr, storage_flags | GL_MAP_PERSISTENT_BIT); - maps.push_back(static_cast<u8*>(glMapNamedBufferRange(buffer.handle, 0, next_pow2_size, - map_flags | GL_MAP_PERSISTENT_BIT))); - syncs.emplace_back(); - sync_indices.emplace_back(); - sizes.push_back(next_pow2_size); - - ASSERT(syncs.size() == buffers.size() && buffers.size() == maps.size() && - maps.size() == sizes.size()); - - return buffers.size() - 1; + alloc.map = static_cast<u8*>(glMapNamedBufferRange(alloc.buffer.handle, 0, next_pow2_size, + map_flags | GL_MAP_PERSISTENT_BIT)); + alloc.size = next_pow2_size; + allocs.emplace_back(std::move(alloc)); + return allocs.size() - 1; } std::optional<size_t> StagingBuffers::FindBuffer(size_t requested_size) { size_t known_unsignaled_index = current_sync_index + 1; size_t smallest_buffer = std::numeric_limits<size_t>::max(); std::optional<size_t> found; - const size_t num_buffers = sizes.size(); + const size_t num_buffers = allocs.size(); for (size_t index = 0; index < num_buffers; ++index) { - const size_t buffer_size = sizes[index]; + StagingBufferAlloc& alloc = allocs[index]; + const size_t buffer_size = alloc.size; if (buffer_size < requested_size || buffer_size >= smallest_buffer) { continue; } - if (syncs[index].handle != 0) { - if (sync_indices[index] >= known_unsignaled_index) { + if (alloc.deferred) { + continue; + } + if (alloc.sync.handle != 0) { + if (alloc.sync_index >= known_unsignaled_index) { // This fence is later than a fence that is known to not be signaled continue; } - if (!syncs[index].IsSignaled()) { + if (!alloc.sync.IsSignaled()) { // Since this fence hasn't been signaled, it's safe to assume all later // fences haven't been signaled either - known_unsignaled_index = std::min(known_unsignaled_index, sync_indices[index]); + known_unsignaled_index = std::min(known_unsignaled_index, alloc.sync_index); continue; } - syncs[index].Release(); + alloc.sync.Release(); } smallest_buffer = buffer_size; found = index; @@ -143,8 +149,12 @@ StagingBufferMap StagingBufferPool::RequestUploadBuffer(size_t size) { return upload_buffers.RequestMap(size, true); } -StagingBufferMap StagingBufferPool::RequestDownloadBuffer(size_t size) { - return download_buffers.RequestMap(size, false); +StagingBufferMap StagingBufferPool::RequestDownloadBuffer(size_t size, bool deferred) { + return download_buffers.RequestMap(size, false, deferred); +} + +void StagingBufferPool::FreeDeferredStagingBuffer(StagingBufferMap& buffer) { + download_buffers.FreeDeferredStagingBuffer(buffer.index); } } // namespace OpenGL |