From eb67a45ca82bc01ac843c853fd3c17f2a90e0250 Mon Sep 17 00:00:00 2001 From: ameerj Date: Mon, 26 Oct 2020 23:07:36 -0400 Subject: video_core: NVDEC Implementation This commit aims to implement the NVDEC (Nvidia Decoder) functionality, with video frame decoding being handled by the FFmpeg library. The process begins with Ioctl commands being sent to the NVDEC and VIC (Video Image Composer) emulated devices. These allocate the necessary GPU buffers for the frame data, along with providing information on the incoming video data. A Submit command then signals the GPU to process and decode the frame data. To decode the frame, the respective codec's header must be manually composed from the information provided by NVDEC, then sent with the raw frame data to the ffmpeg library. Currently, H264 and VP9 are supported, with VP9 having some minor artifacting issues related mainly to the reference frame composition in its uncompressed header. Async GPU is not properly implemented at the moment. Co-Authored-By: David <25727384+ogniK5377@users.noreply.github.com> --- src/video_core/gpu_synch.cpp | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'src/video_core/gpu_synch.cpp') diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp index 1ca47ddef..ecf7bbdf3 100644 --- a/src/video_core/gpu_synch.cpp +++ b/src/video_core/gpu_synch.cpp @@ -7,7 +7,7 @@ namespace VideoCommon { -GPUSynch::GPUSynch(Core::System& system) : GPU{system, false} {} +GPUSynch::GPUSynch(Core::System& system, bool use_nvdec) : GPU{system, false, use_nvdec} {} GPUSynch::~GPUSynch() = default; @@ -26,6 +26,22 @@ void GPUSynch::PushGPUEntries(Tegra::CommandList&& entries) { dma_pusher->DispatchCalls(); } +void GPUSynch::PushCommandBuffer(Tegra::ChCommandHeaderList& entries) { + if (!use_nvdec) { + return; + } + // This condition fires when a video stream ends, clears all intermediary data + if (entries[0].raw == 0xDEADB33F) { + cdma_pusher.reset(); + return; + } + if (!cdma_pusher) { + cdma_pusher = std::make_unique(*this); + } + cdma_pusher->Push(std::move(entries)); + cdma_pusher->DispatchCalls(); +} + void GPUSynch::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) { renderer->SwapBuffers(framebuffer); } -- cgit v1.2.3 From 677a8b208d47d0d2397197ce74c7039a8ea79d20 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Fri, 4 Dec 2020 14:39:12 -0500 Subject: video_core: Resolve more variable shadowing scenarios Resolves variable shadowing scenarios up to the end of the OpenGL code to make it nicer to review. The rest will be resolved in a following commit. --- src/video_core/gpu_synch.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/video_core/gpu_synch.cpp') diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp index ecf7bbdf3..1e9d4b9b2 100644 --- a/src/video_core/gpu_synch.cpp +++ b/src/video_core/gpu_synch.cpp @@ -7,7 +7,7 @@ namespace VideoCommon { -GPUSynch::GPUSynch(Core::System& system, bool use_nvdec) : GPU{system, false, use_nvdec} {} +GPUSynch::GPUSynch(Core::System& system_, bool use_nvdec_) : GPU{system_, false, use_nvdec_} {} GPUSynch::~GPUSynch() = default; -- cgit v1.2.3 From 14c825bd1c37b2444e858bf1a75fb77455b4eb52 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 11 Dec 2020 22:26:14 -0800 Subject: video_core: gpu: Refactor out synchronous/asynchronous GPU implementations. - We must always use a GPU thread now, even with synchronous GPU. --- src/video_core/gpu_synch.cpp | 61 -------------------------------------------- 1 file changed, 61 deletions(-) delete mode 100644 src/video_core/gpu_synch.cpp (limited to 'src/video_core/gpu_synch.cpp') diff --git a/src/video_core/gpu_synch.cpp b/src/video_core/gpu_synch.cpp deleted file mode 100644 index 1e9d4b9b2..000000000 --- a/src/video_core/gpu_synch.cpp +++ /dev/null @@ -1,61 +0,0 @@ -// Copyright 2019 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "video_core/gpu_synch.h" -#include "video_core/renderer_base.h" - -namespace VideoCommon { - -GPUSynch::GPUSynch(Core::System& system_, bool use_nvdec_) : GPU{system_, false, use_nvdec_} {} - -GPUSynch::~GPUSynch() = default; - -void GPUSynch::Start() {} - -void GPUSynch::ObtainContext() { - renderer->Context().MakeCurrent(); -} - -void GPUSynch::ReleaseContext() { - renderer->Context().DoneCurrent(); -} - -void GPUSynch::PushGPUEntries(Tegra::CommandList&& entries) { - dma_pusher->Push(std::move(entries)); - dma_pusher->DispatchCalls(); -} - -void GPUSynch::PushCommandBuffer(Tegra::ChCommandHeaderList& entries) { - if (!use_nvdec) { - return; - } - // This condition fires when a video stream ends, clears all intermediary data - if (entries[0].raw == 0xDEADB33F) { - cdma_pusher.reset(); - return; - } - if (!cdma_pusher) { - cdma_pusher = std::make_unique(*this); - } - cdma_pusher->Push(std::move(entries)); - cdma_pusher->DispatchCalls(); -} - -void GPUSynch::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) { - renderer->SwapBuffers(framebuffer); -} - -void GPUSynch::FlushRegion(VAddr addr, u64 size) { - renderer->Rasterizer().FlushRegion(addr, size); -} - -void GPUSynch::InvalidateRegion(VAddr addr, u64 size) { - renderer->Rasterizer().InvalidateRegion(addr, size); -} - -void GPUSynch::FlushAndInvalidateRegion(VAddr addr, u64 size) { - renderer->Rasterizer().FlushAndInvalidateRegion(addr, size); -} - -} // namespace VideoCommon -- cgit v1.2.3