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