// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <cstddef>
#include <memory>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "video_core/engines/engine_interface.h"
#include "video_core/gpu.h"
namespace Tegra {
class MemoryManager;
}
namespace VideoCore {
class RasterizerInterface;
}
namespace Tegra::Engines {
namespace Blitter {
class SoftwareBlitEngine;
}
/**
* This Engine is known as G80_2D. Documentation can be found in:
* https://github.com/envytools/envytools/blob/master/rnndb/graph/g80_2d.xml
* https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nv50/nv50_2d.xml.h
*/
#define FERMI2D_REG_INDEX(field_name) \
(offsetof(Tegra::Engines::Fermi2D::Regs, field_name) / sizeof(u32))
class Fermi2D final : public EngineInterface {
public:
explicit Fermi2D(MemoryManager& memory_manager_);
~Fermi2D() override;
/// Binds a rasterizer to this engine.
void BindRasterizer(VideoCore::RasterizerInterface* rasterizer);
/// Write the value to the register identified by method.
void CallMethod(u32 method, u32 method_argument, bool is_last_call) override;
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) override;
enum class Origin : u32 {
Center = 0,
Corner = 1,
};
enum class Filter : u32 {
Point = 0,
Bilinear = 1,
};
enum class Operation : u32 {
SrcCopyAnd = 0,
ROPAnd = 1,
Blend = 2,
SrcCopy = 3,
ROP = 4,
SrcCopyPremult = 5,
BlendPremult = 6,
};
enum class MemoryLayout : u32 {
BlockLinear = 0,
Pitch = 1,
};
enum class CpuIndexWrap : u32 {
Wrap = 0,
NoWrap = 1,
};
struct Surface {
RenderTargetFormat format;
MemoryLayout linear;
union {
BitField<0, 4, u32> block_width;
BitField<4, 4, u32> block_height;
BitField<8, 4, u32> block_depth;
};
u32 depth;
u32 layer;
u32 pitch;
u32 width;
u32 height;
u32 addr_upper;
u32 addr_lower;
[[nodiscard]] constexpr GPUVAddr Address() const noexcept {
return (GPUVAddr{addr_upper} << 32) | GPUVAddr{addr_lower};
}
};
static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
enum class SectorPromotion : u32 {
NoPromotion = 0,
PromoteTo2V = 1,
PromoteTo2H = 2,
PromoteTo4 = 3,
};
enum class NumTpcs : u32 {
All = 0,
One = 1,
};
enum class RenderEnableMode : u32 {
False = 0,
True = 1,
Conditional = 2,
RenderIfEqual = 3,
RenderIfNotEqual = 4,
};
enum class ColorKeyFormat : u32 {
A16R56G6B5 = 0,
A1R5G55B5 = 1,
A8R8G8B8 = 2,
A2R10G10B10 = 3,
Y8 = 4,
Y16 = 5,
Y32 = 6,
};
union Beta4 {
BitField<0, 8, u32> b;
BitField<8, 8, u32> g;
BitField<16, 8, u32> r;
BitField<24, 8, u32> a;
};
struct Point {
u32 x;
u32 y;
};
enum class PatternSelect : u32 {
MonoChrome8x8 = 0,
MonoChrome64x1 = 1,
MonoChrome1x64 = 2,
Color = 3,
};
enum class NotifyType : u32 {
WriteOnly = 0,
WriteThenAwaken = 1,
};
enum class MonochromePatternColorFormat : u32 {
A8X8R8G6B5 = 0,
A1R5G5B5 = 1,
A8R8G8B8 = 2,
A8Y8 = 3,
A8X8Y16 = 4,
Y32 = 5,
};
enum class MonochromePatternFormat : u32 {
CGA6_M1 = 0,
LE_M1 = 1,
};
union Regs {
static constexpr std::size_t NUM_REGS = 0x258;
struct {
u32 object;
INSERT_PADDING_WORDS_NOINIT(0x3F);
u32 no_operation;
NotifyType notify;
INSERT_PADDING_WORDS_NOINIT(0x2);
u32 wait_for_idle;
INSERT_PADDING_WORDS_NOINIT(0xB);
u32 pm_trigger;
INSERT_PADDING_WORDS_NOINIT(0xF);
u32 context_dma_notify;
u32 dst_context_dma;
u32 src_context_dma;
u32 semaphore_context_dma;
INSERT_PADDING_WORDS_NOINIT(0x1C);
Surface dst;
CpuIndexWrap pixels_from_cpu_index_wrap;
u32 kind2d_check_enable;
Surface src;
SectorPromotion pixels_from_memory_sector_promotion;
INSERT_PADDING_WORDS_NOINIT(0x1);
NumTpcs num_tpcs;
u32 render_enable_addr_upper;
u32 render_enable_addr_lower;
RenderEnableMode render_enable_mode;
INSERT_PADDING_WORDS_NOINIT(0x4);
u32 clip_x0;
u32 clip_y0;
u32 clip_width;
u32 clip_height;
BitField<0, 1, u32> clip_enable;
BitField<0, 3, ColorKeyFormat> color_key_format;
u32 color_key;
BitField<0, 1, u32> color_key_enable;
BitField<0, 8, u32> rop;
u32 beta1;
Beta4 beta4;
Operation operation;
union {
BitField<0, 6, u32> x;
BitField<8, 6, u32> y;
} pattern_offset;
BitField<0, 2, PatternSelect> pattern_select;
INSERT_PADDING_WORDS_NOINIT(0xC);
struct {
BitField<0, 3, MonochromePatternColorFormat> color_format;
BitField<0, 1, MonochromePatternFormat> format;
u32 color0;
u32 color1;
u32 pattern0;
u32 pattern1;
} monochrome_pattern;
struct {
std::array<u32, 0x40> X8R8G8B8;
std::array<u32, 0x20> R5G6B5;
std::array<u32, 0x20> X1R5G5B5;
std::array<u32, 0x10> Y8;
} color_pattern;
INSERT_PADDING_WORDS_NOINIT(0x10);
struct {
u32 prim_mode;
u32 prim_color_format;
u32 prim_color;
u32 line_tie_break_bits;
INSERT_PADDING_WORDS_NOINIT(0x14);
u32 prim_point_xy;
INSERT_PADDING_WORDS_NOINIT(0x7);
std::array<Point, 0x40> prim_point;
} render_solid;
struct {
u32 data_type;
u32 color_format;
u32 index_format;
u32 mono_format;
u32 wrap;
u32 color0;
u32 color1;
u32 mono_opacity;
INSERT_PADDING_WORDS_NOINIT(0x6);
u32 src_width;
u32 src_height;
u32 dx_du_frac;
u32 dx_du_int;
u32 dx_dv_frac;
u32 dy_dv_int;
u32 dst_x0_frac;
u32 dst_x0_int;
u32 dst_y0_frac;
u32 dst_y0_int;
u32 data;
} pixels_from_cpu;
INSERT_PADDING_WORDS_NOINIT(0x3);
u32 big_endian_control;
INSERT_PADDING_WORDS_NOINIT(0x3);
struct {
BitField<0, 3, u32> block_shape;
BitField<0, 5, u32> corral_size;
BitField<0, 1, u32> safe_overlap;
union {
BitField<0, 1, Origin> origin;
BitField<4, 1, Filter> filter;
} sample_mode;
INSERT_PADDING_WORDS_NOINIT(0x8);
s32 dst_x0;
s32 dst_y0;
s32 dst_width;
s32 dst_height;
s64 du_dx;
s64 dv_dy;
s64 src_x0;
s64 src_y0;
} pixels_from_memory;
};
std::array<u32, NUM_REGS> reg_array;
} regs{};
struct Config {
Operation operation;
Filter filter;
bool must_accelerate;
s32 dst_x0;
s32 dst_y0;
s32 dst_x1;
s32 dst_y1;
s32 src_x0;
s32 src_y0;
s32 src_x1;
s32 src_y1;
};
private:
VideoCore::RasterizerInterface* rasterizer = nullptr;
std::unique_ptr<Blitter::SoftwareBlitEngine> sw_blitter;
/// Performs the copy from the source surface to the destination surface as configured in the
/// registers.
void Blit();
};
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(Fermi2D::Regs, field_name) == position, \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(object, 0x0);
ASSERT_REG_POSITION(no_operation, 0x100);
ASSERT_REG_POSITION(notify, 0x104);
ASSERT_REG_POSITION(wait_for_idle, 0x110);
ASSERT_REG_POSITION(pm_trigger, 0x140);
ASSERT_REG_POSITION(context_dma_notify, 0x180);
ASSERT_REG_POSITION(dst_context_dma, 0x184);
ASSERT_REG_POSITION(src_context_dma, 0x188);
ASSERT_REG_POSITION(semaphore_context_dma, 0x18C);
ASSERT_REG_POSITION(dst, 0x200);
ASSERT_REG_POSITION(pixels_from_cpu_index_wrap, 0x228);
ASSERT_REG_POSITION(kind2d_check_enable, 0x22C);
ASSERT_REG_POSITION(src, 0x230);
ASSERT_REG_POSITION(pixels_from_memory_sector_promotion, 0x258);
ASSERT_REG_POSITION(num_tpcs, 0x260);
ASSERT_REG_POSITION(render_enable_addr_upper, 0x264);
ASSERT_REG_POSITION(render_enable_addr_lower, 0x268);
ASSERT_REG_POSITION(clip_x0, 0x280);
ASSERT_REG_POSITION(clip_y0, 0x284);
ASSERT_REG_POSITION(clip_width, 0x288);
ASSERT_REG_POSITION(clip_height, 0x28c);
ASSERT_REG_POSITION(clip_enable, 0x290);
ASSERT_REG_POSITION(color_key_format, 0x294);
ASSERT_REG_POSITION(color_key, 0x298);
ASSERT_REG_POSITION(rop, 0x2A0);
ASSERT_REG_POSITION(beta1, 0x2A4);
ASSERT_REG_POSITION(beta4, 0x2A8);
ASSERT_REG_POSITION(operation, 0x2AC);
ASSERT_REG_POSITION(pattern_offset, 0x2B0);
ASSERT_REG_POSITION(pattern_select, 0x2B4);
ASSERT_REG_POSITION(monochrome_pattern, 0x2E8);
ASSERT_REG_POSITION(color_pattern, 0x300);
ASSERT_REG_POSITION(render_solid, 0x580);
ASSERT_REG_POSITION(pixels_from_cpu, 0x800);
ASSERT_REG_POSITION(big_endian_control, 0x870);
ASSERT_REG_POSITION(pixels_from_memory, 0x880);
#undef ASSERT_REG_POSITION
} // namespace Tegra::Engines
