// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "video_core/pica_types.h"
namespace Pica {
struct RasterizerRegs {
enum class CullMode : u32 {
// Select which polygons are considered to be "frontfacing".
KeepAll = 0,
KeepClockWise = 1,
KeepCounterClockWise = 2,
// TODO: What does the third value imply?
};
union {
BitField<0, 2, CullMode> cull_mode;
};
BitField<0, 24, u32> viewport_size_x;
INSERT_PADDING_WORDS(0x1);
BitField<0, 24, u32> viewport_size_y;
INSERT_PADDING_WORDS(0x3);
BitField<0, 1, u32> clip_enable;
BitField<0, 24, u32> clip_coef[4]; // float24
Math::Vec4<float24> GetClipCoef() const {
return {float24::FromRaw(clip_coef[0]), float24::FromRaw(clip_coef[1]),
float24::FromRaw(clip_coef[2]), float24::FromRaw(clip_coef[3])};
}
INSERT_PADDING_WORDS(0x1);
BitField<0, 24, u32> viewport_depth_range; // float24
BitField<0, 24, u32> viewport_depth_near_plane; // float24
BitField<0, 3, u32> vs_output_total;
union VSOutputAttributes {
// Maps components of output vertex attributes to semantics
enum Semantic : u32 {
POSITION_X = 0,
POSITION_Y = 1,
POSITION_Z = 2,
POSITION_W = 3,
QUATERNION_X = 4,
QUATERNION_Y = 5,
QUATERNION_Z = 6,
QUATERNION_W = 7,
COLOR_R = 8,
COLOR_G = 9,
COLOR_B = 10,
COLOR_A = 11,
TEXCOORD0_U = 12,
TEXCOORD0_V = 13,
TEXCOORD1_U = 14,
TEXCOORD1_V = 15,
TEXCOORD0_W = 16,
VIEW_X = 18,
VIEW_Y = 19,
VIEW_Z = 20,
TEXCOORD2_U = 22,
TEXCOORD2_V = 23,
INVALID = 31,
};
BitField<0, 5, Semantic> map_x;
BitField<8, 5, Semantic> map_y;
BitField<16, 5, Semantic> map_z;
BitField<24, 5, Semantic> map_w;
} vs_output_attributes[7];
INSERT_PADDING_WORDS(0xe);
enum class ScissorMode : u32 {
Disabled = 0,
Exclude = 1, // Exclude pixels inside the scissor box
Include = 3 // Exclude pixels outside the scissor box
};
struct {
BitField<0, 2, ScissorMode> mode;
union {
BitField<0, 10, u32> x1;
BitField<16, 10, u32> y1;
};
union {
BitField<0, 10, u32> x2;
BitField<16, 10, u32> y2;
};
} scissor_test;
union {
BitField<0, 10, s32> x;
BitField<16, 10, s32> y;
} viewport_corner;
INSERT_PADDING_WORDS(0x1);
// TODO: early depth
INSERT_PADDING_WORDS(0x1);
INSERT_PADDING_WORDS(0x2);
enum DepthBuffering : u32 {
WBuffering = 0,
ZBuffering = 1,
};
BitField<0, 1, DepthBuffering> depthmap_enable;
INSERT_PADDING_WORDS(0x12);
};
static_assert(sizeof(RasterizerRegs) == 0x40 * sizeof(u32),
"RasterizerRegs struct has incorrect size");
} // namespace Pica
