metaforce/Runtime/Graphics/CTevCombiners.hpp

127 lines
4.1 KiB
C++

#pragma once
#include "Graphics/GX.hpp"
#include "RetroTypes.hpp"
namespace metaforce {
enum class ERglTevStage : std::underlying_type_t<GXTevStageID> {
Stage0 = GX_TEVSTAGE0,
Stage1 = GX_TEVSTAGE1,
Stage2 = GX_TEVSTAGE2,
Stage3 = GX_TEVSTAGE3,
Stage4 = GX_TEVSTAGE4,
Stage5 = GX_TEVSTAGE5,
Stage6 = GX_TEVSTAGE6,
Stage7 = GX_TEVSTAGE7,
Stage8 = GX_TEVSTAGE8,
Stage9 = GX_TEVSTAGE9,
Stage10 = GX_TEVSTAGE10,
Stage11 = GX_TEVSTAGE11,
Stage12 = GX_TEVSTAGE12,
Stage13 = GX_TEVSTAGE13,
Stage14 = GX_TEVSTAGE14,
Stage15 = GX_TEVSTAGE15,
Max = GX_MAX_TEVSTAGE,
};
namespace CTevCombiners {
struct CTevOp {
bool x0_clamp = true;
GXTevOp x4_op = GX_TEV_ADD;
GXTevBias x8_bias = GX_TB_ZERO;
GXTevScale xc_scale = GX_CS_SCALE_1;
GXTevRegID x10_regId = GX_TEVPREV;
constexpr CTevOp() = default;
constexpr CTevOp(bool clamp, GXTevOp op, GXTevBias bias, GXTevScale scale, GXTevRegID regId)
: x0_clamp(clamp), x4_op(op), x8_bias(bias), xc_scale(scale), x10_regId(regId) {}
constexpr CTevOp(u32 compressedDesc)
: x0_clamp((compressedDesc >> 8 & 1) != 0)
, x4_op(static_cast<GXTevOp>(compressedDesc & 0xF))
, x8_bias(static_cast<GXTevBias>(compressedDesc >> 4 & 3))
, xc_scale(static_cast<GXTevScale>(compressedDesc >> 6 & 3))
, x10_regId(static_cast<GXTevRegID>(compressedDesc >> 9 & 3)) {}
bool operator==(const CTevOp& rhs) const {
return x0_clamp == rhs.x0_clamp && x4_op == rhs.x4_op && x8_bias == rhs.x8_bias && xc_scale == rhs.xc_scale;
}
};
struct ColorPass {
GXTevColorArg x0_a;
GXTevColorArg x4_b;
GXTevColorArg x8_c;
GXTevColorArg xc_d;
constexpr ColorPass(GXTevColorArg a, GXTevColorArg b, GXTevColorArg c, GXTevColorArg d)
: x0_a(a), x4_b(b), x8_c(c), xc_d(d) {}
constexpr ColorPass(u32 compressedDesc)
: x0_a(static_cast<GXTevColorArg>(compressedDesc & 0x1F))
, x4_b(static_cast<GXTevColorArg>(compressedDesc >> 5 & 0x1F))
, x8_c(static_cast<GXTevColorArg>(compressedDesc >> 10 & 0x1F))
, xc_d(static_cast<GXTevColorArg>(compressedDesc >> 15 & 0x1F)) {}
bool operator==(const ColorPass& rhs) const { return memcmp(this, &rhs, sizeof(*this)) == 0; }
};
struct AlphaPass {
GXTevAlphaArg x0_a;
GXTevAlphaArg x4_b;
GXTevAlphaArg x8_c;
GXTevAlphaArg xc_d;
constexpr AlphaPass(GXTevAlphaArg a, GXTevAlphaArg b, GXTevAlphaArg c, GXTevAlphaArg d)
: x0_a(a), x4_b(b), x8_c(c), xc_d(d) {}
constexpr AlphaPass(u32 compressedDesc)
: x0_a(static_cast<GXTevAlphaArg>(compressedDesc & 0x1F))
, x4_b(static_cast<GXTevAlphaArg>(compressedDesc >> 5 & 0x1F))
, x8_c(static_cast<GXTevAlphaArg>(compressedDesc >> 10 & 0x1F))
, xc_d(static_cast<GXTevAlphaArg>(compressedDesc >> 15 & 0x1F)) {}
bool operator==(const AlphaPass& rhs) const { return memcmp(this, &rhs, sizeof(*this)) == 0; }
};
class CTevPass {
u32 x0_id;
ColorPass x4_colorPass;
AlphaPass x14_alphaPass;
CTevOp x24_colorOp;
CTevOp x38_alphaOp;
static u32 sNextUniquePass;
public:
CTevPass(const ColorPass& colPass, const AlphaPass& alphaPass, const CTevOp& colorOp = {}, const CTevOp& alphaOp = {})
: x0_id(++sNextUniquePass)
, x4_colorPass(colPass)
, x14_alphaPass(alphaPass)
, x24_colorOp(colorOp)
, x38_alphaOp(alphaOp) {}
void Execute(ERglTevStage stage) const;
bool operator==(const CTevPass& rhs) const {
return x0_id == rhs.x0_id && x4_colorPass == rhs.x4_colorPass && x14_alphaPass == rhs.x14_alphaPass &&
x24_colorOp == rhs.x24_colorOp && x38_alphaOp == rhs.x38_alphaOp;
}
};
extern const CTevPass skPassThru;
extern const CTevPass sTevPass804bfcc0;
extern const CTevPass sTevPass804bfe68;
extern const CTevPass sTevPass805a5698;
extern const CTevPass sTevPass805a5e70;
extern const CTevPass sTevPass805a5ebc;
extern const CTevPass sTevPass805a5f08;
extern const CTevPass sTevPass805a5f54;
extern const CTevPass sTevPass805a5fa0;
extern const CTevPass sTevPass805a5fec;
extern const CTevPass sTevPass805a6038;
extern const CTevPass sTevPass805a6084;
void Init();
void SetupPass(ERglTevStage stage, const CTevPass& pass);
void DeletePass(ERglTevStage stage);
bool SetPassCombiners(ERglTevStage stage, const CTevPass& pass);
void RecomputePasses();
void ResetStates();
} // namespace CTevCombiners
} // namespace metaforce