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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/math_util.h"
#include "video_core/gpu.h"
namespace Tegra {
class MemoryManager;
}
namespace VideoCore {
class RasterizerInterface;
}
namespace Tegra::Engines {
/**
* 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:
explicit Fermi2D(VideoCore::RasterizerInterface& rasterizer);
~Fermi2D() = default;
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write multiple values to the register identified by method.
void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending);
enum class Origin : u32 {
Center = 0,
Corner = 1,
};
enum class Filter : u32 {
PointSample = 0, // Nearest
Linear = 1,
};
enum class Operation : u32 {
SrcCopyAnd = 0,
ROPAnd = 1,
Blend = 2,
SrcCopy = 3,
ROP = 4,
SrcCopyPremult = 5,
BlendPremult = 6,
};
struct Regs {
static constexpr std::size_t NUM_REGS = 0x258;
struct Surface {
RenderTargetFormat format;
BitField<0, 1, u32> 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 address_high;
u32 address_low;
GPUVAddr Address() const {
return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
address_low);
}
u32 BlockWidth() const {
return block_width.Value();
}
u32 BlockHeight() const {
return block_height.Value();
}
u32 BlockDepth() const {
return block_depth.Value();
}
};
static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
union {
struct {
INSERT_UNION_PADDING_WORDS(0x80);
Surface dst;
INSERT_UNION_PADDING_WORDS(2);
Surface src;
INSERT_UNION_PADDING_WORDS(0x15);
Operation operation;
INSERT_UNION_PADDING_WORDS(0x177);
union {
u32 raw;
BitField<0, 1, Origin> origin;
BitField<4, 1, Filter> filter;
} blit_control;
INSERT_UNION_PADDING_WORDS(0x8);
u32 blit_dst_x;
u32 blit_dst_y;
u32 blit_dst_width;
u32 blit_dst_height;
u64 blit_du_dx;
u64 blit_dv_dy;
u64 blit_src_x;
u64 blit_src_y;
INSERT_UNION_PADDING_WORDS(0x21);
};
std::array<u32, NUM_REGS> reg_array;
};
} regs{};
struct Config {
Operation operation;
Filter filter;
Common::Rectangle<u32> src_rect;
Common::Rectangle<u32> dst_rect;
};
private:
VideoCore::RasterizerInterface& rasterizer;
/// Performs the copy from the source surface to the destination surface as configured in the
/// registers.
void HandleSurfaceCopy();
};
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(Fermi2D::Regs, field_name) == position * 4, \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(dst, 0x80);
ASSERT_REG_POSITION(src, 0x8C);
ASSERT_REG_POSITION(operation, 0xAB);
ASSERT_REG_POSITION(blit_control, 0x223);
ASSERT_REG_POSITION(blit_dst_x, 0x22c);
ASSERT_REG_POSITION(blit_dst_y, 0x22d);
ASSERT_REG_POSITION(blit_dst_width, 0x22e);
ASSERT_REG_POSITION(blit_dst_height, 0x22f);
ASSERT_REG_POSITION(blit_du_dx, 0x230);
ASSERT_REG_POSITION(blit_dv_dy, 0x232);
ASSERT_REG_POSITION(blit_src_x, 0x234);
ASSERT_REG_POSITION(blit_src_y, 0x236);
#undef ASSERT_REG_POSITION
} // namespace Tegra::Engines
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