SMG-Decomp
A decompilation of Super Mario Galaxy 1
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THPDraw.c
1#include <revolution.h>
2
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7static GXTexFilter gTexFilter;
8
9inline GXTexFilter THPGXGetFilter(void) {
10 return gTexFilter;
11}
12
13void THPGXRestore(void) {
14 GXSetZMode(GX_ENABLE, GX_ALWAYS, GX_DISABLE);
15 GXSetBlendMode(GX_BM_NONE, GX_BL_ONE, GX_BL_ZERO, GX_LO_SET);
16 GXSetNumTexGens(1);
17 GXSetNumChans(0);
18 GXSetNumTevStages(1);
19 GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
20 GXSetTevOp(GX_TEVSTAGE0, GX_REPLACE);
21 GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
22 GXSetTevSwapMode(GX_TEVSTAGE1, GX_TEV_SWAP0, GX_TEV_SWAP0);
23 GXSetTevSwapMode(GX_TEVSTAGE2, GX_TEV_SWAP0, GX_TEV_SWAP0);
24 GXSetTevSwapMode(GX_TEVSTAGE3, GX_TEV_SWAP0, GX_TEV_SWAP0);
25 GXSetTevSwapModeTable(GX_TEV_SWAP0, GX_CH_RED, GX_CH_GREEN, GX_CH_BLUE, GX_CH_ALPHA);
26 GXSetTevSwapModeTable(GX_TEV_SWAP1, GX_CH_RED, GX_CH_RED, GX_CH_RED, GX_CH_ALPHA);
27 GXSetTevSwapModeTable(GX_TEV_SWAP2, GX_CH_GREEN, GX_CH_GREEN, GX_CH_GREEN, GX_CH_ALPHA);
28 GXSetTevSwapModeTable(GX_TEV_SWAP3, GX_CH_BLUE, GX_CH_BLUE, GX_CH_BLUE, GX_CH_ALPHA);
29}
30
31void THPGXYuv2RgbSetup(GXRenderModeObj* rmode) {
32 s32 scrWidth;
33 s32 scrHeight;
34 Mtx44 pMtx;
35 Mtx mMtx;
36
37 scrWidth = rmode->fbWidth;
38 scrHeight = rmode->efbHeight;
39
40 GXSetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
41 C_MTXOrtho(pMtx, 0.0f, (f32)scrHeight, 0.0f, (f32)scrWidth, 0.0f, -1.0F);
42 GXSetProjection(pMtx, GX_ORTHOGRAPHIC);
43 GXSetViewport(0.0F, 0.0F, (f32)scrWidth, (f32)scrHeight, 0.0F, 1.0F);
44 GXSetScissor(0, 0, (u32)scrWidth, (u32)scrHeight);
45 C_MTXIdentity(mMtx);
46 GXLoadPosMtxImm(mMtx, GX_PNMTX0);
47 GXSetCurrentMtx(GX_PNMTX0);
48 GXSetZMode(GX_ENABLE, GX_ALWAYS, GX_DISABLE);
49 GXSetBlendMode(GX_BM_NONE, GX_BL_ONE, GX_BL_ZERO, GX_LO_CLEAR);
50 GXSetColorUpdate(GX_TRUE);
51 GXSetAlphaUpdate(GX_FALSE);
52 GXSetDispCopyGamma(GX_GM_1_0);
53 GXSetNumChans(0);
54 GXSetNumTexGens(2);
55 GXSetTexCoordGen2(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY, GX_FALSE, 0x7D);
56 GXSetTexCoordGen2(GX_TEXCOORD1, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY, GX_FALSE, 0x7D);
57 GXInvalidateTexAll();
58 GXClearVtxDesc();
59 GXSetVtxDesc(GX_VA_POS, GX_DIRECT);
60 GXSetVtxDesc(GX_VA_TEX0, GX_DIRECT);
61 GXSetVtxAttrFmt(GX_VTXFMT7, GX_VA_POS, GX_POS_XYZ, GX_S16, 0);
62 GXSetVtxAttrFmt(GX_VTXFMT7, GX_VA_TEX0, GX_TEX_ST, GX_U16, 0);
63 GXSetNumTevStages(4);
64 GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD1, GX_TEXMAP1, GX_COLOR_NULL);
65 GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_ZERO, GX_CC_TEXC, GX_CC_KONST, GX_CC_C0);
66 GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, GX_FALSE, GX_TEVPREV);
67 GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_TEXA, GX_CA_KONST, GX_CA_A0);
68 GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_SUB, GX_TB_ZERO, GX_CS_SCALE_1, GX_FALSE, GX_TEVPREV);
69 GXSetTevKColorSel(GX_TEVSTAGE0, GX_TEV_KCSEL_K0);
70 GXSetTevKAlphaSel(GX_TEVSTAGE0, GX_TEV_KASEL_K0_A);
71 GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
72 GXSetTevOrder(GX_TEVSTAGE1, GX_TEXCOORD1, GX_TEXMAP2, GX_COLOR_NULL);
73 GXSetTevColorIn(GX_TEVSTAGE1, GX_CC_ZERO, GX_CC_TEXC, GX_CC_KONST, GX_CC_CPREV);
74 GXSetTevColorOp(GX_TEVSTAGE1, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_2, GX_FALSE, GX_TEVPREV);
75 GXSetTevAlphaIn(GX_TEVSTAGE1, GX_CA_ZERO, GX_CA_TEXA, GX_CA_KONST, GX_CA_APREV);
76 GXSetTevAlphaOp(GX_TEVSTAGE1, GX_TEV_SUB, GX_TB_ZERO, GX_CS_SCALE_1, GX_FALSE, GX_TEVPREV);
77 GXSetTevKColorSel(GX_TEVSTAGE1, GX_TEV_KCSEL_K1);
78 GXSetTevKAlphaSel(GX_TEVSTAGE1, GX_TEV_KASEL_K1_A);
79 GXSetTevSwapMode(GX_TEVSTAGE1, GX_TEV_SWAP0, GX_TEV_SWAP0);
80 GXSetTevOrder(GX_TEVSTAGE2, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
81 GXSetTevColorIn(GX_TEVSTAGE2, GX_CC_ZERO, GX_CC_TEXC, GX_CC_ONE, GX_CC_CPREV);
82 GXSetTevColorOp(GX_TEVSTAGE2, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, GX_TRUE, GX_TEVPREV);
83 GXSetTevAlphaIn(GX_TEVSTAGE2, GX_CA_TEXA, GX_CA_ZERO, GX_CA_ZERO, GX_CA_APREV);
84 GXSetTevAlphaOp(GX_TEVSTAGE2, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, GX_TRUE, GX_TEVPREV);
85 GXSetTevSwapMode(GX_TEVSTAGE2, GX_TEV_SWAP0, GX_TEV_SWAP0);
86 GXSetTevOrder(GX_TEVSTAGE3, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
87 GXSetTevColorIn(GX_TEVSTAGE3, GX_CC_APREV, GX_CC_CPREV, GX_CC_KONST, GX_CC_ZERO);
88 GXSetTevColorOp(GX_TEVSTAGE3, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, GX_TRUE, GX_TEVPREV);
89 GXSetTevAlphaIn(GX_TEVSTAGE3, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO);
90 GXSetTevAlphaOp(GX_TEVSTAGE3, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, GX_TRUE, GX_TEVPREV);
91 GXSetTevSwapMode(GX_TEVSTAGE3, GX_TEV_SWAP0, GX_TEV_SWAP0);
92 GXSetTevKColorSel(GX_TEVSTAGE3, GX_TEV_KCSEL_K2);
93 GXSetTevColorS10(GX_TEVREG0, (GXColorS10){ -90, 0, -114, 135 });
94 GXSetTevKColor(GX_KCOLOR0, (GXColor){ 0, 0, 226, 88 });
95 GXSetTevKColor(GX_KCOLOR1, (GXColor){ 179, 0, 0, 182 });
96 GXSetTevKColor(GX_KCOLOR2, (GXColor){ 255, 0, 255, 128 });
97 GXSetTevSwapModeTable(GX_TEV_SWAP0, GX_CH_RED, GX_CH_GREEN, GX_CH_BLUE, GX_CH_ALPHA);
98}
99
100void THPGXSetTexObjFilter(GXTexFilter filter) {
101 gTexFilter = filter;
102}
103
104void THPGXYuv2RgbDraw(u8* y_data, u8* u_data, u8* v_data, s16 x, s16 y, s16 textureWidth, s16 textureHeight, s16 polygonWidth, s16 polygonHeight) {
105 GXTexObj tobj0, tobj1, tobj2;
106 GXTexFilter filter = THPGXGetFilter();
107 GXInitTexObj(&tobj0, y_data, (u16)textureWidth, (u16)textureHeight, GX_TF_I8, GX_CLAMP, GX_CLAMP, GX_FALSE);
108 GXInitTexObjLOD(&tobj0, filter, filter, 0, 0, 0, 0, 0, GX_ANISO_1);
109 GXLoadTexObj(&tobj0, GX_TEXMAP0);
110 GXInitTexObj(&tobj1, u_data, (u16)(textureWidth >> 1), (u16)(textureHeight >> 1), GX_TF_I8, GX_CLAMP, GX_CLAMP, GX_FALSE);
111 GXInitTexObjLOD(&tobj1, filter, filter, 0, 0, 0, 0, 0, GX_ANISO_1);
112 GXLoadTexObj(&tobj1, GX_TEXMAP1);
113 GXInitTexObj(&tobj2, v_data, (u16)(textureWidth >> 1), (u16)(textureHeight >> 1), GX_TF_I8, GX_CLAMP, GX_CLAMP, GX_FALSE);
114 GXInitTexObjLOD(&tobj2, filter, filter, 0, 0, 0, 0, 0, GX_ANISO_1);
115 GXLoadTexObj(&tobj2, GX_TEXMAP2);
116
117 GXBegin(GX_QUADS, GX_VTXFMT7, 4);
118 GXPosition3s16(x, y, 0);
119 GXTexCoord2u16(0, 0);
120 GXPosition3s16((s16)(x + polygonWidth), y, 0);
121 GXTexCoord2u16(1, 0);
122 GXPosition3s16((s16)(x + polygonWidth), (s16)(y + polygonHeight), 0);
123 GXTexCoord2u16(1, 1);
124 GXPosition3s16(x, (s16)(y + polygonHeight), 0);
125 GXTexCoord2u16(0, 1);
126 GXEnd();
127}
128
129#ifdef __cplusplus
130}
131#endif
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