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citra/src/video_core/pica.h
Yuri Kunde Schlesner 23713d5dee VideoCore: Split framebuffer regs from Regs struct
2017-02-04 13:59:11 -08:00

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <string>
#ifndef _MSC_VER
#include <type_traits> // for std::enable_if
#endif
#include "common/assert.h"
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/vector_math.h"
#include "video_core/regs_framebuffer.h"
#include "video_core/regs_rasterizer.h"
#include "video_core/regs_texturing.h"
namespace Pica {
// Returns index corresponding to the Regs member labeled by field_name
// TODO: Due to Visual studio bug 209229, offsetof does not return constant expressions
// when used with array elements (e.g. PICA_REG_INDEX(vs_uniform_setup.set_value[1])).
// For details cf.
// https://connect.microsoft.com/VisualStudio/feedback/details/209229/offsetof-does-not-produce-a-constant-expression-for-array-members
// Hopefully, this will be fixed sometime in the future.
// For lack of better alternatives, we currently hardcode the offsets when constant
// expressions are needed via PICA_REG_INDEX_WORKAROUND (on sane compilers, static_asserts
// will then make sure the offsets indeed match the automatically calculated ones).
#define PICA_REG_INDEX(field_name) (offsetof(Pica::Regs, field_name) / sizeof(u32))
#if defined(_MSC_VER)
#define PICA_REG_INDEX_WORKAROUND(field_name, backup_workaround_index) (backup_workaround_index)
#else
// NOTE: Yeah, hacking in a static_assert here just to workaround the lacking MSVC compiler
// really is this annoying. This macro just forwards its first argument to PICA_REG_INDEX
// and then performs a (no-op) cast to size_t iff the second argument matches the expected
// field offset. Otherwise, the compiler will fail to compile this code.
#define PICA_REG_INDEX_WORKAROUND(field_name, backup_workaround_index) \
((typename std::enable_if<backup_workaround_index == PICA_REG_INDEX(field_name), \
size_t>::type)PICA_REG_INDEX(field_name))
#endif // _MSC_VER
struct Regs {
INSERT_PADDING_WORDS(0x10);
u32 trigger_irq;
INSERT_PADDING_WORDS(0x2f);
RasterizerRegs rasterizer;
TexturingRegs texturing;
FramebufferRegs framebuffer;
enum class LightingSampler {
Distribution0 = 0,
Distribution1 = 1,
Fresnel = 3,
ReflectBlue = 4,
ReflectGreen = 5,
ReflectRed = 6,
SpotlightAttenuation = 8,
DistanceAttenuation = 16,
};
/**
* Pica fragment lighting supports using different LUTs for each lighting component:
* Reflectance R, G, and B channels, distribution function for specular components 0 and 1,
* fresnel factor, and spotlight attenuation. Furthermore, which LUTs are used for each channel
* (or whether a channel is enabled at all) is specified by various pre-defined lighting
* configurations. With configurations that require more LUTs, more cycles are required on HW to
* perform lighting computations.
*/
enum class LightingConfig {
Config0 = 0, ///< Reflect Red, Distribution 0, Spotlight
Config1 = 1, ///< Reflect Red, Fresnel, Spotlight
Config2 = 2, ///< Reflect Red, Distribution 0/1
Config3 = 3, ///< Distribution 0/1, Fresnel
Config4 = 4, ///< Reflect Red/Green/Blue, Distribution 0/1, Spotlight
Config5 = 5, ///< Reflect Red/Green/Blue, Distribution 0, Fresnel, Spotlight
Config6 = 6, ///< Reflect Red, Distribution 0/1, Fresnel, Spotlight
Config7 = 8, ///< Reflect Red/Green/Blue, Distribution 0/1, Fresnel, Spotlight
///< NOTE: '8' is intentional, '7' does not appear to be a valid configuration
};
/// Selects which lighting components are affected by fresnel
enum class LightingFresnelSelector {
None = 0, ///< Fresnel is disabled
PrimaryAlpha = 1, ///< Primary (diffuse) lighting alpha is affected by fresnel
SecondaryAlpha = 2, ///< Secondary (specular) lighting alpha is affected by fresnel
Both =
PrimaryAlpha |
SecondaryAlpha, ///< Both primary and secondary lighting alphas are affected by fresnel
};
/// Factor used to scale the output of a lighting LUT
enum class LightingScale {
Scale1 = 0, ///< Scale is 1x
Scale2 = 1, ///< Scale is 2x
Scale4 = 2, ///< Scale is 4x
Scale8 = 3, ///< Scale is 8x
Scale1_4 = 6, ///< Scale is 0.25x
Scale1_2 = 7, ///< Scale is 0.5x
};
enum class LightingLutInput {
NH = 0, // Cosine of the angle between the normal and half-angle vectors
VH = 1, // Cosine of the angle between the view and half-angle vectors
NV = 2, // Cosine of the angle between the normal and the view vector
LN = 3, // Cosine of the angle between the light and the normal vectors
};
enum class LightingBumpMode : u32 {
None = 0,
NormalMap = 1,
TangentMap = 2,
};
union LightColor {
BitField<0, 10, u32> b;
BitField<10, 10, u32> g;
BitField<20, 10, u32> r;
Math::Vec3f ToVec3f() const {
// These fields are 10 bits wide, however 255 corresponds to 1.0f for each color
// component
return Math::MakeVec((f32)r / 255.f, (f32)g / 255.f, (f32)b / 255.f);
}
};
/// Returns true if the specified lighting sampler is supported by the current Pica lighting
/// configuration
static bool IsLightingSamplerSupported(LightingConfig config, LightingSampler sampler) {
switch (sampler) {
case LightingSampler::Distribution0:
return (config != LightingConfig::Config1);
case LightingSampler::Distribution1:
return (config != LightingConfig::Config0) && (config != LightingConfig::Config1) &&
(config != LightingConfig::Config5);
case LightingSampler::Fresnel:
return (config != LightingConfig::Config0) && (config != LightingConfig::Config2) &&
(config != LightingConfig::Config4);
case LightingSampler::ReflectRed:
return (config != LightingConfig::Config3);
case LightingSampler::ReflectGreen:
case LightingSampler::ReflectBlue:
return (config == LightingConfig::Config4) || (config == LightingConfig::Config5) ||
(config == LightingConfig::Config7);
default:
UNREACHABLE_MSG("Regs::IsLightingSamplerSupported: Reached "
"unreachable section, sampler should be one "
"of Distribution0, Distribution1, Fresnel, "
"ReflectRed, ReflectGreen or ReflectBlue, instead "
"got %i",
static_cast<int>(config));
}
}
struct {
struct LightSrc {
LightColor specular_0; // material.specular_0 * light.specular_0
LightColor specular_1; // material.specular_1 * light.specular_1
LightColor diffuse; // material.diffuse * light.diffuse
LightColor ambient; // material.ambient * light.ambient
// Encoded as 16-bit floating point
union {
BitField<0, 16, u32> x;
BitField<16, 16, u32> y;
};
union {
BitField<0, 16, u32> z;
};
INSERT_PADDING_WORDS(0x3);
union {
BitField<0, 1, u32> directional;
BitField<1, 1, u32> two_sided_diffuse; // When disabled, clamp dot-product to 0
} config;
BitField<0, 20, u32> dist_atten_bias;
BitField<0, 20, u32> dist_atten_scale;
INSERT_PADDING_WORDS(0x4);
};
static_assert(sizeof(LightSrc) == 0x10 * sizeof(u32),
"LightSrc structure must be 0x10 words");
LightSrc light[8];
LightColor global_ambient; // Emission + (material.ambient * lighting.ambient)
INSERT_PADDING_WORDS(0x1);
BitField<0, 3, u32> max_light_index; // Number of enabled lights - 1
union {
BitField<2, 2, LightingFresnelSelector> fresnel_selector;
BitField<4, 4, LightingConfig> config;
BitField<22, 2, u32> bump_selector; // 0: Texture 0, 1: Texture 1, 2: Texture 2
BitField<27, 1, u32> clamp_highlights;
BitField<28, 2, LightingBumpMode> bump_mode;
BitField<30, 1, u32> disable_bump_renorm;
} config0;
union {
BitField<16, 1, u32> disable_lut_d0;
BitField<17, 1, u32> disable_lut_d1;
BitField<19, 1, u32> disable_lut_fr;
BitField<20, 1, u32> disable_lut_rr;
BitField<21, 1, u32> disable_lut_rg;
BitField<22, 1, u32> disable_lut_rb;
// Each bit specifies whether distance attenuation should be applied for the
// corresponding light
BitField<24, 1, u32> disable_dist_atten_light_0;
BitField<25, 1, u32> disable_dist_atten_light_1;
BitField<26, 1, u32> disable_dist_atten_light_2;
BitField<27, 1, u32> disable_dist_atten_light_3;
BitField<28, 1, u32> disable_dist_atten_light_4;
BitField<29, 1, u32> disable_dist_atten_light_5;
BitField<30, 1, u32> disable_dist_atten_light_6;
BitField<31, 1, u32> disable_dist_atten_light_7;
} config1;
bool IsDistAttenDisabled(unsigned index) const {
const unsigned disable[] = {
config1.disable_dist_atten_light_0, config1.disable_dist_atten_light_1,
config1.disable_dist_atten_light_2, config1.disable_dist_atten_light_3,
config1.disable_dist_atten_light_4, config1.disable_dist_atten_light_5,
config1.disable_dist_atten_light_6, config1.disable_dist_atten_light_7};
return disable[index] != 0;
}
union {
BitField<0, 8, u32> index; ///< Index at which to set data in the LUT
BitField<8, 5, u32> type; ///< Type of LUT for which to set data
} lut_config;
BitField<0, 1, u32> disable;
INSERT_PADDING_WORDS(0x1);
// When data is written to any of these registers, it gets written to the lookup table of
// the selected type at the selected index, specified above in the `lut_config` register.
// With each write, `lut_config.index` is incremented. It does not matter which of these
// registers is written to, the behavior will be the same.
u32 lut_data[8];
// These are used to specify if absolute (abs) value should be used for each LUT index. When
// abs mode is disabled, LUT indexes are in the range of (-1.0, 1.0). Otherwise, they are in
// the range of (0.0, 1.0).
union {
BitField<1, 1, u32> disable_d0;
BitField<5, 1, u32> disable_d1;
BitField<9, 1, u32> disable_sp;
BitField<13, 1, u32> disable_fr;
BitField<17, 1, u32> disable_rb;
BitField<21, 1, u32> disable_rg;
BitField<25, 1, u32> disable_rr;
} abs_lut_input;
union {
BitField<0, 3, LightingLutInput> d0;
BitField<4, 3, LightingLutInput> d1;
BitField<8, 3, LightingLutInput> sp;
BitField<12, 3, LightingLutInput> fr;
BitField<16, 3, LightingLutInput> rb;
BitField<20, 3, LightingLutInput> rg;
BitField<24, 3, LightingLutInput> rr;
} lut_input;
union {
BitField<0, 3, LightingScale> d0;
BitField<4, 3, LightingScale> d1;
BitField<8, 3, LightingScale> sp;
BitField<12, 3, LightingScale> fr;
BitField<16, 3, LightingScale> rb;
BitField<20, 3, LightingScale> rg;
BitField<24, 3, LightingScale> rr;
static float GetScale(LightingScale scale) {
switch (scale) {
case LightingScale::Scale1:
return 1.0f;
case LightingScale::Scale2:
return 2.0f;
case LightingScale::Scale4:
return 4.0f;
case LightingScale::Scale8:
return 8.0f;
case LightingScale::Scale1_4:
return 0.25f;
case LightingScale::Scale1_2:
return 0.5f;
}
return 0.0f;
}
} lut_scale;
INSERT_PADDING_WORDS(0x6);
union {
// There are 8 light enable "slots", corresponding to the total number of lights
// supported by Pica. For N enabled lights (specified by register 0x1c2, or 'src_num'
// above), the first N slots below will be set to integers within the range of 0-7,
// corresponding to the actual light that is enabled for each slot.
BitField<0, 3, u32> slot_0;
BitField<4, 3, u32> slot_1;
BitField<8, 3, u32> slot_2;
BitField<12, 3, u32> slot_3;
BitField<16, 3, u32> slot_4;
BitField<20, 3, u32> slot_5;
BitField<24, 3, u32> slot_6;
BitField<28, 3, u32> slot_7;
unsigned GetNum(unsigned index) const {
const unsigned enable_slots[] = {slot_0, slot_1, slot_2, slot_3,
slot_4, slot_5, slot_6, slot_7};
return enable_slots[index];
}
} light_enable;
} lighting;
INSERT_PADDING_WORDS(0x26);
enum class VertexAttributeFormat : u64 {
BYTE = 0,
UBYTE = 1,
SHORT = 2,
FLOAT = 3,
};
struct {
BitField<0, 29, u32> base_address;
u32 GetPhysicalBaseAddress() const {
return DecodeAddressRegister(base_address);
}
// Descriptor for internal vertex attributes
union {
BitField<0, 2, VertexAttributeFormat> format0; // size of one element
BitField<2, 2, u64> size0; // number of elements minus 1
BitField<4, 2, VertexAttributeFormat> format1;
BitField<6, 2, u64> size1;
BitField<8, 2, VertexAttributeFormat> format2;
BitField<10, 2, u64> size2;
BitField<12, 2, VertexAttributeFormat> format3;
BitField<14, 2, u64> size3;
BitField<16, 2, VertexAttributeFormat> format4;
BitField<18, 2, u64> size4;
BitField<20, 2, VertexAttributeFormat> format5;
BitField<22, 2, u64> size5;
BitField<24, 2, VertexAttributeFormat> format6;
BitField<26, 2, u64> size6;
BitField<28, 2, VertexAttributeFormat> format7;
BitField<30, 2, u64> size7;
BitField<32, 2, VertexAttributeFormat> format8;
BitField<34, 2, u64> size8;
BitField<36, 2, VertexAttributeFormat> format9;
BitField<38, 2, u64> size9;
BitField<40, 2, VertexAttributeFormat> format10;
BitField<42, 2, u64> size10;
BitField<44, 2, VertexAttributeFormat> format11;
BitField<46, 2, u64> size11;
BitField<48, 12, u64> attribute_mask;
// number of total attributes minus 1
BitField<60, 4, u64> max_attribute_index;
};
inline VertexAttributeFormat GetFormat(int n) const {
VertexAttributeFormat formats[] = {format0, format1, format2, format3,
format4, format5, format6, format7,
format8, format9, format10, format11};
return formats[n];
}
inline int GetNumElements(int n) const {
u64 sizes[] = {size0, size1, size2, size3, size4, size5,
size6, size7, size8, size9, size10, size11};
return (int)sizes[n] + 1;
}
inline int GetElementSizeInBytes(int n) const {
return (GetFormat(n) == VertexAttributeFormat::FLOAT)
? 4
: (GetFormat(n) == VertexAttributeFormat::SHORT) ? 2 : 1;
}
inline int GetStride(int n) const {
return GetNumElements(n) * GetElementSizeInBytes(n);
}
inline bool IsDefaultAttribute(int id) const {
return (id >= 12) || (attribute_mask & (1ULL << id)) != 0;
}
inline int GetNumTotalAttributes() const {
return (int)max_attribute_index + 1;
}
// Attribute loaders map the source vertex data to input attributes
// This e.g. allows to load different attributes from different memory locations
struct {
// Source attribute data offset from the base address
u32 data_offset;
union {
BitField<0, 4, u64> comp0;
BitField<4, 4, u64> comp1;
BitField<8, 4, u64> comp2;
BitField<12, 4, u64> comp3;
BitField<16, 4, u64> comp4;
BitField<20, 4, u64> comp5;
BitField<24, 4, u64> comp6;
BitField<28, 4, u64> comp7;
BitField<32, 4, u64> comp8;
BitField<36, 4, u64> comp9;
BitField<40, 4, u64> comp10;
BitField<44, 4, u64> comp11;
// bytes for a single vertex in this loader
BitField<48, 8, u64> byte_count;
BitField<60, 4, u64> component_count;
};
inline int GetComponent(int n) const {
u64 components[] = {comp0, comp1, comp2, comp3, comp4, comp5,
comp6, comp7, comp8, comp9, comp10, comp11};
return (int)components[n];
}
} attribute_loaders[12];
} vertex_attributes;
struct {
enum IndexFormat : u32 {
BYTE = 0,
SHORT = 1,
};
union {
BitField<0, 31, u32> offset; // relative to base attribute address
BitField<31, 1, IndexFormat> format;
};
} index_array;
// Number of vertices to render
u32 num_vertices;
INSERT_PADDING_WORDS(0x1);
// The index of the first vertex to render
u32 vertex_offset;
INSERT_PADDING_WORDS(0x3);
// These two trigger rendering of triangles
u32 trigger_draw;
u32 trigger_draw_indexed;
INSERT_PADDING_WORDS(0x2);
// These registers are used to setup the default "fall-back" vertex shader attributes
struct {
// Index of the current default attribute
u32 index;
// Writing to these registers sets the "current" default attribute.
u32 set_value[3];
} vs_default_attributes_setup;
INSERT_PADDING_WORDS(0x2);
struct {
// There are two channels that can be used to configure the next command buffer, which
// can be then executed by writing to the "trigger" registers. There are two reasons why a
// game might use this feature:
// 1) With this, an arbitrary number of additional command buffers may be executed in
// sequence without requiring any intervention of the CPU after the initial one is
// kicked off.
// 2) Games can configure these registers to provide a command list subroutine mechanism.
BitField<0, 20, u32> size[2]; ///< Size (in bytes / 8) of each channel's command buffer
BitField<0, 28, u32> addr[2]; ///< Physical address / 8 of each channel's command buffer
u32 trigger[2]; ///< Triggers execution of the channel's command buffer when written to
unsigned GetSize(unsigned index) const {
ASSERT(index < 2);
return 8 * size[index];
}
PAddr GetPhysicalAddress(unsigned index) const {
ASSERT(index < 2);
return (PAddr)(8 * addr[index]);
}
} command_buffer;
INSERT_PADDING_WORDS(4);
/// Number of input attributes to the vertex shader minus 1
BitField<0, 4, u32> max_input_attrib_index;
INSERT_PADDING_WORDS(2);
enum class GPUMode : u32 {
Drawing = 0,
Configuring = 1,
};
GPUMode gpu_mode;
INSERT_PADDING_WORDS(0x18);
enum class TriangleTopology : u32 {
List = 0,
Strip = 1,
Fan = 2,
Shader = 3, // Programmable setup unit implemented in a geometry shader
};
BitField<8, 2, TriangleTopology> triangle_topology;
u32 restart_primitive;
INSERT_PADDING_WORDS(0x20);
struct ShaderConfig {
BitField<0, 16, u32> bool_uniforms;
union {
BitField<0, 8, u32> x;
BitField<8, 8, u32> y;
BitField<16, 8, u32> z;
BitField<24, 8, u32> w;
} int_uniforms[4];
INSERT_PADDING_WORDS(0x4);
union {
// Number of input attributes to shader unit - 1
BitField<0, 4, u32> max_input_attribute_index;
};
// Offset to shader program entry point (in words)
BitField<0, 16, u32> main_offset;
/// Maps input attributes to registers. 4-bits per attribute, specifying a register index
u32 input_attribute_to_register_map_low;
u32 input_attribute_to_register_map_high;
unsigned int GetRegisterForAttribute(unsigned int attribute_index) const {
u64 map = ((u64)input_attribute_to_register_map_high << 32) |
(u64)input_attribute_to_register_map_low;
return (map >> (attribute_index * 4)) & 0b1111;
}
BitField<0, 16, u32> output_mask;
// 0x28E, CODETRANSFER_END
INSERT_PADDING_WORDS(0x2);
struct {
enum Format : u32 {
FLOAT24 = 0,
FLOAT32 = 1,
};
bool IsFloat32() const {
return format == FLOAT32;
}
union {
// Index of the next uniform to write to
// TODO: ctrulib uses 8 bits for this, however that seems to yield lots of invalid
// indices
// TODO: Maybe the uppermost index is for the geometry shader? Investigate!
BitField<0, 7, u32> index;
BitField<31, 1, Format> format;
};
// Writing to these registers sets the current uniform.
u32 set_value[8];
} uniform_setup;
INSERT_PADDING_WORDS(0x2);
struct {
// Offset of the next instruction to write code to.
// Incremented with each instruction write.
u32 offset;
// Writing to these registers sets the "current" word in the shader program.
u32 set_word[8];
} program;
INSERT_PADDING_WORDS(0x1);
// This register group is used to load an internal table of swizzling patterns,
// which are indexed by each shader instruction to specify vector component swizzling.
struct {
// Offset of the next swizzle pattern to write code to.
// Incremented with each instruction write.
u32 offset;
// Writing to these registers sets the current swizzle pattern in the table.
u32 set_word[8];
} swizzle_patterns;
INSERT_PADDING_WORDS(0x2);
};
ShaderConfig gs;
ShaderConfig vs;
INSERT_PADDING_WORDS(0x20);
// Map register indices to names readable by humans
// Used for debugging purposes, so performance is not an issue here
static std::string GetCommandName(int index);
static constexpr size_t NumIds() {
return sizeof(Regs) / sizeof(u32);
}
const u32& operator[](int index) const {
const u32* content = reinterpret_cast<const u32*>(this);
return content[index];
}
u32& operator[](int index) {
u32* content = reinterpret_cast<u32*>(this);
return content[index];
}
private:
/*
* Most physical addresses which Pica registers refer to are 8-byte aligned.
* This function should be used to get the address from a raw register value.
*/
static inline u32 DecodeAddressRegister(u32 register_value) {
return register_value * 8;
}
};
// TODO: MSVC does not support using offsetof() on non-static data members even though this
// is technically allowed since C++11. This macro should be enabled once MSVC adds
// support for that.
#ifndef _MSC_VER
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(Regs, field_name) == position * 4, \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(trigger_irq, 0x10);
ASSERT_REG_POSITION(rasterizer, 0x40);
ASSERT_REG_POSITION(rasterizer.cull_mode, 0x40);
ASSERT_REG_POSITION(rasterizer.viewport_size_x, 0x41);
ASSERT_REG_POSITION(rasterizer.viewport_size_y, 0x43);
ASSERT_REG_POSITION(rasterizer.viewport_depth_range, 0x4d);
ASSERT_REG_POSITION(rasterizer.viewport_depth_near_plane, 0x4e);
ASSERT_REG_POSITION(rasterizer.vs_output_attributes[0], 0x50);
ASSERT_REG_POSITION(rasterizer.vs_output_attributes[1], 0x51);
ASSERT_REG_POSITION(rasterizer.scissor_test, 0x65);
ASSERT_REG_POSITION(rasterizer.viewport_corner, 0x68);
ASSERT_REG_POSITION(rasterizer.depthmap_enable, 0x6D);
ASSERT_REG_POSITION(texturing, 0x80);
ASSERT_REG_POSITION(texturing.texture0_enable, 0x80);
ASSERT_REG_POSITION(texturing.texture0, 0x81);
ASSERT_REG_POSITION(texturing.texture0_format, 0x8e);
ASSERT_REG_POSITION(texturing.fragment_lighting_enable, 0x8f);
ASSERT_REG_POSITION(texturing.texture1, 0x91);
ASSERT_REG_POSITION(texturing.texture1_format, 0x96);
ASSERT_REG_POSITION(texturing.texture2, 0x99);
ASSERT_REG_POSITION(texturing.texture2_format, 0x9e);
ASSERT_REG_POSITION(texturing.tev_stage0, 0xc0);
ASSERT_REG_POSITION(texturing.tev_stage1, 0xc8);
ASSERT_REG_POSITION(texturing.tev_stage2, 0xd0);
ASSERT_REG_POSITION(texturing.tev_stage3, 0xd8);
ASSERT_REG_POSITION(texturing.tev_combiner_buffer_input, 0xe0);
ASSERT_REG_POSITION(texturing.fog_mode, 0xe0);
ASSERT_REG_POSITION(texturing.fog_color, 0xe1);
ASSERT_REG_POSITION(texturing.fog_lut_offset, 0xe6);
ASSERT_REG_POSITION(texturing.fog_lut_data, 0xe8);
ASSERT_REG_POSITION(texturing.tev_stage4, 0xf0);
ASSERT_REG_POSITION(texturing.tev_stage5, 0xf8);
ASSERT_REG_POSITION(texturing.tev_combiner_buffer_color, 0xfd);
ASSERT_REG_POSITION(framebuffer, 0x100);
ASSERT_REG_POSITION(framebuffer.output_merger, 0x100);
ASSERT_REG_POSITION(framebuffer.framebuffer, 0x110);
ASSERT_REG_POSITION(lighting, 0x140);
ASSERT_REG_POSITION(vertex_attributes, 0x200);
ASSERT_REG_POSITION(index_array, 0x227);
ASSERT_REG_POSITION(num_vertices, 0x228);
ASSERT_REG_POSITION(vertex_offset, 0x22a);
ASSERT_REG_POSITION(trigger_draw, 0x22e);
ASSERT_REG_POSITION(trigger_draw_indexed, 0x22f);
ASSERT_REG_POSITION(vs_default_attributes_setup, 0x232);
ASSERT_REG_POSITION(command_buffer, 0x238);
ASSERT_REG_POSITION(gpu_mode, 0x245);
ASSERT_REG_POSITION(triangle_topology, 0x25e);
ASSERT_REG_POSITION(restart_primitive, 0x25f);
ASSERT_REG_POSITION(gs, 0x280);
ASSERT_REG_POSITION(vs, 0x2b0);
#undef ASSERT_REG_POSITION
#endif // !defined(_MSC_VER)
static_assert(sizeof(Regs::ShaderConfig) == 0x30 * sizeof(u32),
"ShaderConfig structure has incorrect size");
// The total number of registers is chosen arbitrarily, but let's make sure it's not some odd value
// anyway.
static_assert(sizeof(Regs) <= 0x300 * sizeof(u32),
"Register set structure larger than it should be");
static_assert(sizeof(Regs) >= 0x300 * sizeof(u32),
"Register set structure smaller than it should be");
/// Initialize Pica state
void Init();
/// Shutdown Pica state
void Shutdown();
} // namespace
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