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ks_nes_draw: match ksNesDrawBG

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This commit is contained in:
Cuyler36
2025-10-23 20:51:56 -04:00
parent 359e65e10d
commit 1c36bfebf0
1 changed files with 171 additions and 3 deletions
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src/static/Famicom/ks_nes_draw.cpp
+171 -3
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@@ -1,3 +1,6 @@
#include "gx/GXEnum.h"
#include "gx/GXTexture.h"
#include "gx/GXVert.h"
#define FIX_SQRT_LINKAGE
#include "Famicom/ks_nes_draw.h"
#include "dolphin/gx.h"
@@ -201,9 +204,174 @@ void ksNesDrawOBJSetupMMC2(ksNesCommonWorkObj* wp) {
}
}
void ksNesDrawBG(ksNesCommonWorkObj*, ksNesStateObj*) {
const static GXColor color_r_0xf0 = { 240, 0, 0, 0 };
// GXSetIndTexMtx(GX_ITM_0, );
void ksNesDrawBG(ksNesCommonWorkObj* wp, ksNesStateObj* sp) {
static const GXColor color_r_0xf0 = { 240, 0, 0, 0 };
static f32 indtexmtx_screen[2][3] = {
{0.5f, 0.0f, 0.0f},
{0.0f, 0.0625f, 0.0f},
};
GXTexObj obj0;
GXTexObj obj1;
GXTexObj obj2;
u32 curline;
u32 cnt;
u32 color;
u32 x0;
u32 x1;
s16 y;
u32 i;
u32 j;
GXSetNumChans(1);
GXSetNumTexGens(2);
GXSetNumTevStages(3);
GXSetNumIndStages(1);
GXSetBlendMode(GX_BM_LOGIC, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_COPY);
GXClearVtxDesc();
GXSetVtxDesc(GX_VA_POS, GX_DIRECT);
GXSetVtxDesc(GX_VA_CLR0, GX_DIRECT);
GXSetVtxDesc(GX_VA_TEX0, GX_DIRECT);
GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_CLR_RGB, GX_RGBA4, 0);
GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_CLR_RGBA, GX_RGBX8, 10);
GXInitTexObj(&obj0, wp->work_priv._7840, 40, 256, GX_TF_I4, GX_CLAMP, GX_REPEAT, 0);
GXInitTexObjLOD(&obj0, GX_NEAR, GX_NEAR, 0.0, 0.0, 0.0, 0, 0, GX_ANISO_1);
GXLoadTexObj(&obj0, GX_TEXMAP0);
GXSetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
GXSetTexCoordScaleManually(GX_TEXCOORD0, GX_TRUE, 128, 1025);
GXSetTexCoordBias(GX_TEXCOORD0, GX_FALSE, GX_FALSE);
GXSetTevDirect(GX_TEVSTAGE0);
GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
GXSetTevColor(GX_TEVREG0, color_r_0xf0);
GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_TEXC, GX_CC_ZERO, GX_CC_C0, GX_CC_TEXC);
GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_SUB, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXInitTexObj(&obj1, wp->work_priv._3240, 36, 256, GX_TF_IA8, GX_CLAMP, GX_CLAMP, 0);
GXInitTexObjLOD(&obj1, GX_NEAR, GX_NEAR, 0.0, 0.0, 0.0, 0, 0, GX_ANISO_1);
GXLoadTexObj(&obj1, GX_TEXMAP1);
GXSetTexCoordGen(GX_TEXCOORD1, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
GXSetTexCoordScaleManually(GX_TEXCOORD1, GX_TRUE, 1024, 1025);
GXSetTexCoordBias(GX_TEXCOORD1, GX_FALSE, GX_FALSE);
GXSetIndTexOrder(GX_INDTEXSTAGE0, GX_TEXCOORD1, GX_TEXMAP1);
GXSetIndTexCoordScale(GX_INDTEXSTAGE0, GX_ITS_8, GX_ITS_1);
GXSetIndTexMtx(GX_ITM_0, indtexmtx_screen, 36);
GXSetTevIndirect(GX_TEVSTAGE1, GX_INDTEXSTAGE0, GX_ITF_8, GX_ITB_NONE, GX_ITM_0, GX_ITW_16, GX_ITW_0, GX_FALSE, GX_FALSE, GX_ITBA_OFF);
GXSetTevOrder(GX_TEVSTAGE1, GX_TEXCOORD1, GX_TEXMAP2, GX_COLOR_NULL);
GXSetTevColorIn(GX_TEVSTAGE1, GX_CC_TEXC, GX_CC_ZERO, GX_CC_ZERO, GX_CC_CPREV);
GXSetTevColorOp(GX_TEVSTAGE1, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetTevAlphaIn(GX_TEVSTAGE1, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_TEXA);
GXSetTevAlphaOp(GX_TEVSTAGE1, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetTevDirect(GX_TEVSTAGE2);
GXSetTevOrder(GX_TEVSTAGE2, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR0A0);
GXSetChanCtrl(GX_COLOR0A0, 0, GX_SRC_VTX, GX_SRC_VTX, GX_LIGHT_NULL, GX_DF_NONE, GX_AF_NONE);
GXSetTevColorIn(GX_TEVSTAGE2, GX_CC_RASC, GX_CC_ZERO, GX_CC_ZERO, GX_CC_CPREV);
GXSetTevColorOp(GX_TEVSTAGE2, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetTevAlphaIn(GX_TEVSTAGE2, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_APREV);
GXSetTevAlphaOp(GX_TEVSTAGE2, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetAlphaCompare(GX_GREATER, 0, GX_AOP_AND, GX_ALWAYS, 0);
GXSetLineWidth(6, GX_TO_ZERO);
for (i = 0; i < 8; i++) {
if (sp->ppu_render_latches[i] != 0) {
if (sp->mapper == 5) {
GXInitTexObj(&obj2, wp->chr_to_u8_bufp + (wp->chr_to_i8_buf_size >> 3) * i, 1024, wp->chr_to_i8_buf_size >> 13, GX_TF_I8, GX_MIRROR, GX_CLAMP, 0);
GXInitTexObjLOD(&obj2, GX_NEAR, GX_NEAR, 0.0f, 0.0f, 0.0f, GX_FALSE, GX_FALSE, GX_ANISO_1);
GXLoadTexObj(&obj2, GX_TEXMAP2);
} else if ((i & 1) == 0) {
if (wp->chr_to_i8_buf_size > CHR_TO_I8_BUF_SIZE) {
GXInitTexObj(&obj2, wp->chr_to_u8_bufp + 0x20000 * (i & 6), 1024, 256, GX_TF_I8, GX_MIRROR, GX_CLAMP, 0);
} else {
GXInitTexObj(&obj2, wp->chr_to_u8_bufp + (wp->chr_to_i8_buf_size >> 3) * (i & 6), 1024, wp->chr_to_i8_buf_size >> 12, GX_TF_I8, GX_MIRROR, GX_CLAMP, 0);
}
GXInitTexObjLOD(&obj2, GX_NEAR, GX_NEAR, 0.0f, 0.0f, 0.0f, GX_FALSE, GX_FALSE, GX_ANISO_1);
GXLoadTexObj(&obj2, GX_TEXMAP2);
}
cnt = 0;
curline = sp->ppu_render_latches[i + 8];
j = curline;
do {
if ((wp->work_priv._0B40[j]._19 & 0x08) != 0 && j >= 8 && j < 236) {
cnt += 2;
}
j = wp->work_priv._0B40[j]._1A;
} while (j != 0);
if (cnt != 0) {
GXBegin(GX_LINES, GX_VTXFMT0, cnt);
do {
if ((wp->work_priv._0B40[curline]._19 & 0x08) != 0 && curline >= 8 && curline < 236) {
if ((wp->work_priv._0B40[curline]._19 & 0x02) == 0) {
x0 = 0x80 + 8;
x1 = (wp->work_priv._0B40[curline]._1B & 0x07) + 8;
} else {
x0 = 0x80 - (wp->work_priv._0B40[curline]._1B & 0x07);
x1 = 0;
}
color = (wp->work_priv._0B40[curline]._18 & 0xC0) << 24;
GXPosition2s16(x0, -0x81 - curline);
GXColor1u32(color);
GXTexCoord2u16(x1, curline);
GXPosition2s16(x0 + 0x100 + 8, -0x81 - curline);
GXColor1u32(color);
GXTexCoord2u16(x1 + 0x100 + 8, curline);
}
curline = wp->work_priv._0B40[curline]._1A;
} while (curline != 0);
GXEnd();
}
}
}
cnt = 0;
for (i = 8; i < 236; i++) {
if ((wp->work_priv._0B40[i]._19 & 0x08) == 0) {
cnt += 2;
}
}
if (cnt != 0) {
GXSetNumTexGens(0);
GXSetNumTevStages(1);
GXSetNumIndStages(0);
GXClearVtxDesc();
GXSetVtxDesc(GX_VA_POS, GX_DIRECT);
GXSetVtxDesc(GX_VA_CLR0, GX_DIRECT);
GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_CLR_RGB, GX_RGBA4, 0);
GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
GXSetTevDirect(GX_TEVSTAGE0);
GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR0A0);
GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_RASC, GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO);
GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO);
GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
GXSetAlphaCompare(GX_ALWAYS, 0, GX_AOP_AND, GX_ALWAYS, 0);
GXBegin(GX_LINES, GX_VTXFMT0, cnt);
for (i = 8; i < 236; i++) {
if ((wp->work_priv._0B40[i]._19 & 0x08) == 0) {
s16 y = -0x81 - i;
u32 color = (wp->work_priv._0B40[i]._18 & 0xC0) << 24;
GXPosition2s16(0x80, y);
GXColor1u32(color);
GXPosition2s16(0x180, y);
GXColor1u32(color);
}
}
GXEnd();
}
}
u32 ksNesDrawMakeOBJBlankVtxList(ksNesCommonWorkObj* wp) {