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Pica: Use some template magic to define register structures efficiently.

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Tony Wasserka 2014-05-18 22:50:41 +02:00 • committed by bunnei
parent f82410e633
commit 4c2bff61e5
4 changed files with 268 additions and 28 deletions
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127
src/video_core/pica.h
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@ -9,45 +9,122 @@
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/register_set.h"
namespace Pica {
enum class CommandId : u32
{
ViewportSizeX = 0x41,
ViewportInvSizeX = 0x42,
ViewportSizeY = 0x43,
ViewportInvSizeY = 0x44,
ViewportCorner = 0x68,
DepthBufferFormat = 0x116,
ColorBufferFormat = 0x117,
DepthBufferAddress = 0x11C,
ColorBufferAddress = 0x11D,
ColorBufferSize = 0x11E,
struct Regs {
enum Id : u32 {
ViewportSizeX = 0x41,
ViewportInvSizeX = 0x42,
ViewportSizeY = 0x43,
ViewportInvSizeY = 0x44,
ViewportCorner = 0x68,
DepthBufferFormat = 0x116,
ColorBufferFormat = 0x117,
DepthBufferAddress = 0x11C,
ColorBufferAddress = 0x11D,
ColorBufferSize = 0x11E,
VertexArrayBaseAddr = 0x200,
VertexDescriptor = 0x201, // 0x202
VertexAttributeOffset = 0x203, // 0x206,0x209,0x20C,0x20F,0x212,0x215,0x218,0x21B,0x21E,0x221,0x224
VertexAttributeInfo0 = 0x204, // 0x207,0x20A,0x20D,0x210,0x213,0x216,0x219,0x21C,0x21F,0x222,0x225
VertexAttributeInfo1 = 0x205, // 0x208,0x20B,0x20E,0x211,0x214,0x217,0x21A,0x21D,0x220,0x223,0x226
NumIds = 0x300,
};
template<Id id>
union Struct;
};
static inline Regs::Id VertexAttributeOffset(int n)
{
return static_cast<Regs::Id>(0x203 + 3*n);
}
static inline Regs::Id VertexAttributeInfo0(int n)
{
return static_cast<Regs::Id>(0x204 + 3*n);
}
static inline Regs::Id VertexAttributeInfo1(int n)
{
return static_cast<Regs::Id>(0x205 + 3*n);
}
union CommandHeader {
CommandHeader(u32 h) : hex(h) {}
u32 hex;
BitField< 0, 16, CommandId> cmd_id;
BitField< 0, 16, Regs::Id> cmd_id;
BitField<16, 4, u32> parameter_mask;
BitField<20, 11, u32> extra_data_length;
BitField<31, 1, u32> group_commands;
};
static std::map<CommandId, const char*> command_names = {
{CommandId::ViewportSizeX, "ViewportSizeX" },
{CommandId::ViewportInvSizeX, "ViewportInvSizeX" },
{CommandId::ViewportSizeY, "ViewportSizeY" },
{CommandId::ViewportInvSizeY, "ViewportInvSizeY" },
{CommandId::ViewportCorner, "ViewportCorner" },
{CommandId::DepthBufferFormat, "DepthBufferFormat" },
{CommandId::ColorBufferFormat, "ColorBufferFormat" },
{CommandId::DepthBufferAddress, "DepthBufferAddress" },
{CommandId::ColorBufferAddress, "ColorBufferAddress" },
{CommandId::ColorBufferSize, "ColorBufferSize" },
static std::map<Regs::Id, const char*> command_names = {
{Regs::ViewportSizeX, "ViewportSizeX" },
{Regs::ViewportInvSizeX, "ViewportInvSizeX" },
{Regs::ViewportSizeY, "ViewportSizeY" },
{Regs::ViewportInvSizeY, "ViewportInvSizeY" },
{Regs::ViewportCorner, "ViewportCorner" },
{Regs::DepthBufferFormat, "DepthBufferFormat" },
{Regs::ColorBufferFormat, "ColorBufferFormat" },
{Regs::DepthBufferAddress, "DepthBufferAddress" },
{Regs::ColorBufferAddress, "ColorBufferAddress" },
{Regs::ColorBufferSize, "ColorBufferSize" },
};
}
template<>
union Regs::Struct<Regs::ViewportSizeX> {
BitField<0, 24, u32> value;
};
template<>
union Regs::Struct<Regs::ViewportSizeY> {
BitField<0, 24, u32> value;
};
template<>
union Regs::Struct<Regs::VertexDescriptor> {
enum class Format : u64 {
BYTE = 0,
UBYTE = 1,
SHORT = 2,
FLOAT = 3,
};
BitField< 0, 2, Format> format0;
BitField< 2, 2, u64> size0; // number of elements minus 1
BitField< 4, 2, Format> format1;
BitField< 6, 2, u64> size1;
BitField< 8, 2, Format> format2;
BitField<10, 2, u64> size2;
BitField<12, 2, Format> format3;
BitField<14, 2, u64> size3;
BitField<16, 2, Format> format4;
BitField<18, 2, u64> size4;
BitField<20, 2, Format> format5;
BitField<22, 2, u64> size5;
BitField<24, 2, Format> format6;
BitField<26, 2, u64> size6;
BitField<28, 2, Format> format7;
BitField<30, 2, u64> size7;
BitField<32, 2, Format> format8;
BitField<34, 2, u64> size8;
BitField<36, 2, Format> format9;
BitField<38, 2, u64> size9;
BitField<40, 2, Format> format10;
BitField<42, 2, u64> size10;
BitField<44, 2, Format> format11;
BitField<46, 2, u64> size11;
BitField<48, 12, u64> attribute_mask;
BitField<60, 4, u64> num_attributes; // number of total attributes minus 1
};
} // namespace