yuzu-android/src/video_core/host1x/nvdec_common.h
2022-10-06 21:00:52 +02:00

98 lines
4.3 KiB
C++

// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
namespace Tegra::Host1x::NvdecCommon {
enum class VideoCodec : u64 {
None = 0x0,
H264 = 0x3,
VP8 = 0x5,
H265 = 0x7,
VP9 = 0x9,
};
// NVDEC should use a 32-bit address space, but is mapped to 64-bit,
// doubling the sizes here is compensating for that.
struct NvdecRegisters {
static constexpr std::size_t NUM_REGS = 0x178;
union {
struct {
INSERT_PADDING_WORDS_NOINIT(256); ///< 0x0000
VideoCodec set_codec_id; ///< 0x0400
INSERT_PADDING_WORDS_NOINIT(126); ///< 0x0408
u64 execute; ///< 0x0600
INSERT_PADDING_WORDS_NOINIT(126); ///< 0x0608
struct { ///< 0x0800
union {
BitField<0, 3, VideoCodec> codec;
BitField<4, 1, u64> gp_timer_on;
BitField<13, 1, u64> mb_timer_on;
BitField<14, 1, u64> intra_frame_pslc;
BitField<17, 1, u64> all_intra_frame;
};
} control_params;
u64 picture_info_offset; ///< 0x0808
u64 frame_bitstream_offset; ///< 0x0810
u64 frame_number; ///< 0x0818
u64 h264_slice_data_offsets; ///< 0x0820
u64 h264_mv_dump_offset; ///< 0x0828
INSERT_PADDING_WORDS_NOINIT(6); ///< 0x0830
u64 frame_stats_offset; ///< 0x0848
u64 h264_last_surface_luma_offset; ///< 0x0850
u64 h264_last_surface_chroma_offset; ///< 0x0858
std::array<u64, 17> surface_luma_offset; ///< 0x0860
std::array<u64, 17> surface_chroma_offset; ///< 0x08E8
INSERT_PADDING_WORDS_NOINIT(68); ///< 0x0970
u64 vp8_prob_data_offset; ///< 0x0A80
u64 vp8_header_partition_buf_offset; ///< 0x0A88
INSERT_PADDING_WORDS_NOINIT(60); ///< 0x0A90
u64 vp9_entropy_probs_offset; ///< 0x0B80
u64 vp9_backward_updates_offset; ///< 0x0B88
u64 vp9_last_frame_segmap_offset; ///< 0x0B90
u64 vp9_curr_frame_segmap_offset; ///< 0x0B98
INSERT_PADDING_WORDS_NOINIT(2); ///< 0x0BA0
u64 vp9_last_frame_mvs_offset; ///< 0x0BA8
u64 vp9_curr_frame_mvs_offset; ///< 0x0BB0
INSERT_PADDING_WORDS_NOINIT(2); ///< 0x0BB8
};
std::array<u64, NUM_REGS> reg_array;
};
};
static_assert(sizeof(NvdecRegisters) == (0xBC0), "NvdecRegisters is incorrect size");
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(NvdecRegisters, field_name) == position * sizeof(u64), \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(set_codec_id, 0x80);
ASSERT_REG_POSITION(execute, 0xC0);
ASSERT_REG_POSITION(control_params, 0x100);
ASSERT_REG_POSITION(picture_info_offset, 0x101);
ASSERT_REG_POSITION(frame_bitstream_offset, 0x102);
ASSERT_REG_POSITION(frame_number, 0x103);
ASSERT_REG_POSITION(h264_slice_data_offsets, 0x104);
ASSERT_REG_POSITION(frame_stats_offset, 0x109);
ASSERT_REG_POSITION(h264_last_surface_luma_offset, 0x10A);
ASSERT_REG_POSITION(h264_last_surface_chroma_offset, 0x10B);
ASSERT_REG_POSITION(surface_luma_offset, 0x10C);
ASSERT_REG_POSITION(surface_chroma_offset, 0x11D);
ASSERT_REG_POSITION(vp8_prob_data_offset, 0x150);
ASSERT_REG_POSITION(vp8_header_partition_buf_offset, 0x151);
ASSERT_REG_POSITION(vp9_entropy_probs_offset, 0x170);
ASSERT_REG_POSITION(vp9_backward_updates_offset, 0x171);
ASSERT_REG_POSITION(vp9_last_frame_segmap_offset, 0x172);
ASSERT_REG_POSITION(vp9_curr_frame_segmap_offset, 0x173);
ASSERT_REG_POSITION(vp9_last_frame_mvs_offset, 0x175);
ASSERT_REG_POSITION(vp9_curr_frame_mvs_offset, 0x176);
#undef ASSERT_REG_POSITION
} // namespace Tegra::Host1x::NvdecCommon