From 668e80a9f42fb4ce0e16f6381d05bcbd286b2da1 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sun, 30 Jan 2022 10:31:13 +0100 Subject: VideoCore: Refactor syncing. --- src/video_core/host1x/vic.cpp | 243 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 src/video_core/host1x/vic.cpp (limited to 'src/video_core/host1x/vic.cpp') diff --git a/src/video_core/host1x/vic.cpp b/src/video_core/host1x/vic.cpp new file mode 100644 index 000000000..a9422670a --- /dev/null +++ b/src/video_core/host1x/vic.cpp @@ -0,0 +1,243 @@ +// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include + +extern "C" { +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wconversion" +#endif +#include +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic pop +#endif +} + +#include "common/assert.h" +#include "common/bit_field.h" +#include "common/logging/log.h" + +#include "video_core/engines/maxwell_3d.h" +#include "video_core/gpu.h" +#include "video_core/host1x/nvdec.h" +#include "video_core/host1x/vic.h" +#include "video_core/memory_manager.h" +#include "video_core/textures/decoders.h" + +namespace Tegra { + +namespace Host1x { + +namespace { +enum class VideoPixelFormat : u64_le { + RGBA8 = 0x1f, + BGRA8 = 0x20, + RGBX8 = 0x23, + YUV420 = 0x44, +}; +} // Anonymous namespace + +union VicConfig { + u64_le raw{}; + BitField<0, 7, VideoPixelFormat> pixel_format; + BitField<7, 2, u64_le> chroma_loc_horiz; + BitField<9, 2, u64_le> chroma_loc_vert; + BitField<11, 4, u64_le> block_linear_kind; + BitField<15, 4, u64_le> block_linear_height_log2; + BitField<32, 14, u64_le> surface_width_minus1; + BitField<46, 14, u64_le> surface_height_minus1; +}; + +Vic::Vic(GPU& gpu_, std::shared_ptr nvdec_processor_) + : gpu(gpu_), + nvdec_processor(std::move(nvdec_processor_)), converted_frame_buffer{nullptr, av_free} {} + +Vic::~Vic() = default; + +void Vic::ProcessMethod(Method method, u32 argument) { + LOG_DEBUG(HW_GPU, "Vic method 0x{:X}", static_cast(method)); + const u64 arg = static_cast(argument) << 8; + switch (method) { + case Method::Execute: + Execute(); + break; + case Method::SetConfigStructOffset: + config_struct_address = arg; + break; + case Method::SetOutputSurfaceLumaOffset: + output_surface_luma_address = arg; + break; + case Method::SetOutputSurfaceChromaOffset: + output_surface_chroma_address = arg; + break; + default: + break; + } +} + +void Vic::Execute() { + if (output_surface_luma_address == 0) { + LOG_ERROR(Service_NVDRV, "VIC Luma address not set."); + return; + } + const VicConfig config{gpu.MemoryManager().Read(config_struct_address + 0x20)}; + const AVFramePtr frame_ptr = nvdec_processor->GetFrame(); + const auto* frame = frame_ptr.get(); + if (!frame) { + return; + } + const u64 surface_width = config.surface_width_minus1 + 1; + const u64 surface_height = config.surface_height_minus1 + 1; + if (static_cast(frame->width) != surface_width || + static_cast(frame->height) != surface_height) { + // TODO: Properly support multiple video streams with differing frame dimensions + LOG_WARNING(Service_NVDRV, "Frame dimensions {}x{} don't match surface dimensions {}x{}", + frame->width, frame->height, surface_width, surface_height); + } + switch (config.pixel_format) { + case VideoPixelFormat::RGBA8: + case VideoPixelFormat::BGRA8: + case VideoPixelFormat::RGBX8: + WriteRGBFrame(frame, config); + break; + case VideoPixelFormat::YUV420: + WriteYUVFrame(frame, config); + break; + default: + UNIMPLEMENTED_MSG("Unknown video pixel format {:X}", config.pixel_format.Value()); + break; + } +} + +void Vic::WriteRGBFrame(const AVFrame* frame, const VicConfig& config) { + LOG_TRACE(Service_NVDRV, "Writing RGB Frame"); + + if (!scaler_ctx || frame->width != scaler_width || frame->height != scaler_height) { + const AVPixelFormat target_format = [pixel_format = config.pixel_format]() { + switch (pixel_format) { + case VideoPixelFormat::RGBA8: + return AV_PIX_FMT_RGBA; + case VideoPixelFormat::BGRA8: + return AV_PIX_FMT_BGRA; + case VideoPixelFormat::RGBX8: + return AV_PIX_FMT_RGB0; + default: + return AV_PIX_FMT_RGBA; + } + }(); + + sws_freeContext(scaler_ctx); + // Frames are decoded into either YUV420 or NV12 formats. Convert to desired RGB format + scaler_ctx = sws_getContext(frame->width, frame->height, + static_cast(frame->format), frame->width, + frame->height, target_format, 0, nullptr, nullptr, nullptr); + scaler_width = frame->width; + scaler_height = frame->height; + converted_frame_buffer.reset(); + } + if (!converted_frame_buffer) { + const size_t frame_size = frame->width * frame->height * 4; + converted_frame_buffer = AVMallocPtr{static_cast(av_malloc(frame_size)), av_free}; + } + const std::array converted_stride{frame->width * 4, frame->height * 4, 0, 0}; + u8* const converted_frame_buf_addr{converted_frame_buffer.get()}; + sws_scale(scaler_ctx, frame->data, frame->linesize, 0, frame->height, &converted_frame_buf_addr, + converted_stride.data()); + + // Use the minimum of surface/frame dimensions to avoid buffer overflow. + const u32 surface_width = static_cast(config.surface_width_minus1) + 1; + const u32 surface_height = static_cast(config.surface_height_minus1) + 1; + const u32 width = std::min(surface_width, static_cast(frame->width)); + const u32 height = std::min(surface_height, static_cast(frame->height)); + const u32 blk_kind = static_cast(config.block_linear_kind); + if (blk_kind != 0) { + // swizzle pitch linear to block linear + const u32 block_height = static_cast(config.block_linear_height_log2); + const auto size = Texture::CalculateSize(true, 4, width, height, 1, block_height, 0); + luma_buffer.resize(size); + Texture::SwizzleSubrect(width, height, width * 4, width, 4, luma_buffer.data(), + converted_frame_buf_addr, block_height, 0, 0); + + gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(), size); + } else { + // send pitch linear frame + const size_t linear_size = width * height * 4; + gpu.MemoryManager().WriteBlock(output_surface_luma_address, converted_frame_buf_addr, + linear_size); + } +} + +void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) { + LOG_TRACE(Service_NVDRV, "Writing YUV420 Frame"); + + const std::size_t surface_width = config.surface_width_minus1 + 1; + const std::size_t surface_height = config.surface_height_minus1 + 1; + const std::size_t aligned_width = (surface_width + 0xff) & ~0xffUL; + // Use the minimum of surface/frame dimensions to avoid buffer overflow. + const auto frame_width = std::min(surface_width, static_cast(frame->width)); + const auto frame_height = std::min(surface_height, static_cast(frame->height)); + + const auto stride = static_cast(frame->linesize[0]); + + luma_buffer.resize(aligned_width * surface_height); + chroma_buffer.resize(aligned_width * surface_height / 2); + + // Populate luma buffer + const u8* luma_src = frame->data[0]; + for (std::size_t y = 0; y < frame_height; ++y) { + const std::size_t src = y * stride; + const std::size_t dst = y * aligned_width; + for (std::size_t x = 0; x < frame_width; ++x) { + luma_buffer[dst + x] = luma_src[src + x]; + } + } + gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(), + luma_buffer.size()); + + // Chroma + const std::size_t half_height = frame_height / 2; + const auto half_stride = static_cast(frame->linesize[1]); + + switch (frame->format) { + case AV_PIX_FMT_YUV420P: { + // Frame from FFmpeg software + // Populate chroma buffer from both channels with interleaving. + const std::size_t half_width = frame_width / 2; + const u8* chroma_b_src = frame->data[1]; + const u8* chroma_r_src = frame->data[2]; + for (std::size_t y = 0; y < half_height; ++y) { + const std::size_t src = y * half_stride; + const std::size_t dst = y * aligned_width; + + for (std::size_t x = 0; x < half_width; ++x) { + chroma_buffer[dst + x * 2] = chroma_b_src[src + x]; + chroma_buffer[dst + x * 2 + 1] = chroma_r_src[src + x]; + } + } + break; + } + case AV_PIX_FMT_NV12: { + // Frame from VA-API hardware + // This is already interleaved so just copy + const u8* chroma_src = frame->data[1]; + for (std::size_t y = 0; y < half_height; ++y) { + const std::size_t src = y * stride; + const std::size_t dst = y * aligned_width; + for (std::size_t x = 0; x < frame_width; ++x) { + chroma_buffer[dst + x] = chroma_src[src + x]; + } + } + break; + } + default: + ASSERT(false); + break; + } + gpu.MemoryManager().WriteBlock(output_surface_chroma_address, chroma_buffer.data(), + chroma_buffer.size()); +} + +} // namespace Host1x + +} // namespace Tegra -- cgit v1.2.3